/* CSS Variables for Chat Archive Site */
:root {
    /* Brand Colors */
    --primary-color: #4b85a4; /* ink */
    --primary-dark: #1f2a30;
    --secondary-color: #c9a227; /* gold accent */
    --accent-color: #a67c52; /* warm sepia */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f7f5f2;
    --bg-tertiary: #f2efe9;
    --bg-code: #1e293b;
    --bg-gradient: linear-gradient(135deg, #2f3e46 0%, #435b66 100%);
    --bg-hero: linear-gradient(135deg, #1f2a30 0%, #2f3e46 50%, #435b66 100%);
    
    /* Border & Shadow */
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 20px rgba(16, 163, 127, 0.3);
    
    /* Interactive Elements */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
    --font-display: 'Lora', serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Glass morphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(16, 163, 127, 0.2);
    --glass-backdrop: blur(10px);
    
    /* Table Colors */
    --table-bg: #ffffff;
    --table-header-bg: #f8fafc;
    --table-header-text: #1e293b;
    --table-border: #e2e8f0;
    --table-stripe: #f8fafc;
    --table-hover: #f1f5f9;
    
    /* Code Block Colors */
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
    --code-border: #334155;
    
    /* Pre Block Colors */
    --pre-bg: #1e293b;
    --pre-text: #e2e8f0;
    --pre-border: #334155;
    
    /* Blockquote Colors */
    --blockquote-bg: #f8fafc;
    --blockquote-text: #475569;
    --blockquote-border: #10a37f;
}

/* Dark theme variables */
[data-theme="dark"] {
    /* Text Colors (higher contrast) */
    --text-primary: #f2f2f5;
    --text-secondary: #dbdbe2;
    --text-muted: #a5a6b0;
    --text-light: #8e8ea0;
    
    /* Background Colors */
    --bg-primary: #1e2227;
    --bg-secondary: #262b30;
    --bg-tertiary: #313740;
    --bg-code: #0f172a;
    --bg-hero: linear-gradient(135deg, #212121 0%, #2f2f2f 50%, #444654 100%);
    
    /* Border & Shadow */
    --border-color: #3e4550;
    --border-light: #4d5561;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    
    /* Glass morphism for dark */
    --glass-bg: rgba(33, 33, 33, 0.7);
    --glass-border: rgba(16, 163, 127, 0.3);
    
    /* Table Colors Dark */
    --table-bg: #2f2f2f;
    --table-header-bg: #444654;
    --table-header-text: #ececf1;
    --table-border: #565869;
    --table-stripe: #444654;
    --table-hover: #565869;
    
    /* Code Block Colors Dark */
    --code-bg: #0f172a;
    --code-text: #eef1f7;
    --code-border: #1e293b;
    
    /* Pre Block Colors Dark */
    --pre-bg: #0f172a;
    --pre-text: #eef1f7;
    --pre-border: #1e293b;
    
    /* Blockquote Colors Dark */
    --blockquote-bg: #2a2f35;
    --blockquote-text: #d4d4d8;
    --blockquote-border: #c9a227;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    /* Mobile optimizations */
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Mobile-first responsive base */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    body {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    /* Better mobile scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Navigation mobile improvements */
    .navbar {
        padding: 0.75rem 1rem;
    }
    
    .nav-container {
        max-width: 100%;
    }
    
    .nav-logo {
        font-size: 0.9rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }
    
    body {
        font-size: 0.85rem;
        line-height: 1.4;
    }
    
    /* Ultra mobile navigation */
    .navbar {
        padding: 0.5rem 0.75rem;
    }
    
    .nav-logo {
        font-size: 0.8rem;
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
    
    .nav-link {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        border-radius: 6px;
    }
    
    /* Improved mobile interactions */
    button, .btn, a {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
    }
    
    /* Better mobile spacing */
    .container {
        max-width: 100%;
        margin: 0 auto;
    }
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

h5 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    font-weight: 500;
}

h6 {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.container-sm {
    max-width: 768px;
}

.container-lg {
    max-width: 1400px;
}

.text-center {
    text-align: center;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Continue with existing styles */

/* Modern Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-hero);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(6, 182, 212, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(245, 158, 11, 0.3), transparent);
    background-repeat: repeat;
    background-size: 100px 100px;
    animation: float 20s ease-in-out infinite;
}

.hero-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-20);
    align-items: center;
    width: 100%;
}

.hero-image-container {
    position: relative;
    text-align: center;
}

.status-indicator {
    display: none;
}

.status-indicator::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(16, 185, 129, 0.3);
    filter: drop-shadow(0 2px 4px rgba(16, 185, 129, 0.2));
}

.status-dot {
    display: none;
}

.hero-image {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    background: linear-gradient(45deg, #10a37f, #19c37d, #ff7e00, #10b981) border-box;
    background-clip: padding-box;
    box-shadow: 
        0 0 30px rgba(16, 163, 127, 0.3),
        0 0 60px rgba(25, 195, 125, 0.2),
        inset 0 0 20px rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 3;
    animation: profile-glow 4s ease-in-out infinite;
}

/* Dual Profile Container for Friend Quest */
.dual-profile-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.dual-profile-container .hero-image {
    width: 350px;
    height: 350px;
}

.profile-left,
.profile-right {
    transition: transform 0.3s ease;
}

.profile-left:hover {
    transform: translateX(-10px) scale(1.05);
}

.profile-right:hover {
    transform: translateX(10px) scale(1.05);
}

.connection-line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #10a37f, #19c37d, #10a37f);
    border-radius: 2px;
    z-index: 2;
    animation: connection-pulse 2s ease-in-out infinite;
}

.connection-line::before {
    content: '🤝';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    padding: 0.25rem;
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: 0 2px 8px rgba(16, 163, 127, 0.3);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: linear-gradient(45deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3, #54a0ff);
    background-size: 400% 400%;
    z-index: -1;
    animation: metallic-fire 3s linear infinite;
    filter: blur(8px);
    opacity: 0.8;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, 
        transparent, 
        rgba(255, 107, 107, 0.3), 
        rgba(254, 202, 87, 0.3), 
        rgba(72, 219, 251, 0.3), 
        rgba(255, 159, 243, 0.3), 
        transparent);
    z-index: -2;
    animation: orbital-fire 6s linear infinite;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, 
        rgba(99, 102, 241, 0.15) 0%, 
        rgba(139, 92, 246, 0.1) 30%,
        rgba(6, 182, 212, 0.05) 60%,
        transparent 80%);
    border-radius: 50%;
    z-index: 1;
    animation: cosmic-pulse 5s ease-in-out infinite;
}

/* Floating particles around profile */
.hero-image-container::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 20px;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, #feca57, #ff6b6b);
    border-radius: 50%;
    animation: particle-orbit-1 8s linear infinite;
    box-shadow: 0 0 6px rgba(254, 202, 87, 0.8);
}

.hero-image-container::after {
    content: '';
    position: absolute;
    top: 80px;
    left: 10px;
    width: 3px;
    height: 3px;
    background: radial-gradient(circle, #48dbfb, #54a0ff);
    border-radius: 50%;
    animation: particle-orbit-2 6s linear infinite reverse;
    box-shadow: 0 0 4px rgba(72, 219, 251, 0.8);
}

.hero-text {
    color: var(--text-primary);
}

.wave {
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
    display: inline-block;
}

/* Hero title with inline logo */
.hero-with-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem; /* tighter so it fits */
    flex-wrap: nowrap; /* keep one line */
    white-space: nowrap; /* prevent wrapping */
}

/* Slightly reduce text size (after the logo) so whole phrase fits one line */
.hero-with-logo .welcome-text,
.hero-with-logo .text-gradient {
    font-size: 0.9em;
    line-height: 1.05;
}

@media (max-width: 640px) {
    .hero-with-logo .welcome-text,
    .hero-with-logo .text-gradient { font-size: 0.85em; }
}

.hero-logo img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    animation: heroLogoFloat 6s ease-in-out infinite;
    box-shadow: 0 0 0 3px rgba(255,255,255,0.05), 0 8px 18px -6px rgba(0,0,0,0.45), 0 0 22px -2px rgba(99,102,241,0.55);
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1), rgba(255,255,255,0));
}

.hero-logo img:hover {
    animation-play-state: paused;
    transform: scale(1.04) rotate(3deg);
}

@keyframes heroLogoFloat {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-6px); }
    50% { transform: translateY(0); }
    75% { transform: translateY(4px); }
}

@media (max-width: 640px) {
    .hero-logo img { width: 58px; height: 58px; }
    .hero-with-logo { gap: 0.75rem; }
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: var(--space-6);
    line-height: 1.1;
    color: var(--text-primary) !important;
}

.typing-container {
    height: 60px;
    margin-bottom: var(--space-6);
}

.typing-text {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 600;
    color: var(--secondary-color);
}

.cursor {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--accent-color);
    animation: cursor-glow-blink 1.5s infinite;
    text-shadow: 
        0 0 5px currentColor,
        0 0 10px currentColor,
        0 0 15px currentColor,
        0 0 20px currentColor;
    filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--space-8);
    opacity: 1;
    color: var(--text-primary);
    font-weight: 500;
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 1;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
    color: white;
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: var(--glass-border);
    backdrop-filter: var(--glass-backdrop);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary-color);
    color: white;
}

/* Tech Stack Section */
.tech-stack-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.section-emoji {
    font-size: 1.2em;
    margin-right: var(--space-2);
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.tech-category {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tech-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--primary-color);
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--space-3);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.tech-item:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

.tech-item img {
    width: 40px;
    height: 40px;
}

.tech-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* About Section */
.about-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.about-description p {
    margin-bottom: var(--space-4);
    font-size: 1.125rem;
    line-height: 1.7;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--primary-color);
}

.highlight-icon {
    font-size: 1.5rem;
    margin-top: var(--space-1);
}

.highlight-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.highlight-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.math-equation {
    background: var(--bg-code);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    color: white;
}

.equation-line {
    margin-bottom: var(--space-3);
    font-family: var(--font-mono);
    font-size: 1rem;
}

.code-snippet {
    background: var(--bg-code);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-lang {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.code-dots {
    display: flex;
    gap: var(--space-2);
}

.code-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.code-content {
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    color: white;
}

/* GitHub Stats Section */
.github-stats-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.github-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.github-stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.github-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-color);
}

.stat-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.stat-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    transition: var(--transition-fast);
}

.stat-item:hover {
    background: var(--primary-color);
    color: white;
}

.stat-item:hover .stat-number {
    color: white;
}

.stat-item:hover .stat-label {
    color: rgba(255, 255, 255, 0.9);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.language-stat {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.language-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.language-bar {
    background: var(--bg-secondary);
    height: 8px;
    border-radius: var(--border-radius-full);
    overflow: hidden;
    position: relative;
}

.language-progress {
    height: 100%;
    border-radius: var(--border-radius-full);
    transition: width 1s ease;
    position: relative;
}

.language-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

.language-percent {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    min-width: 35px;
    text-align: right;
}

.github-link-card {
    text-align: center;
}

.github-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: 1rem;
}

.github-profile-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.github-profile-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.github-stats-note {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-color);
}

.github-stats-note small {
    color: var(--text-muted);
    font-style: italic;
}

.stat-card {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    padding: var(--space-4);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
}

.quote {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-style: italic;
    max-width: 600px;
    margin: 0 auto;
}

/* Animations */
@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.5; }
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .github-stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: var(--space-16) 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    }
    
    .hero-image {
        width: 200px;
        height: 200px;
    }
    
    .hero-glow {
        width: 220px;
        height: 220px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .btn {
        padding: var(--space-2) var(--space-4);
        font-size: 0.875rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .github-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .language-stat {
        grid-template-columns: 1fr;
        gap: var(--space-2);
        text-align: center;
    }
    
    .language-bar {
        order: 3;
        grid-column: 1 / -1;
    }
}

/* Mobile-first stacking & centering for hero when grid collapses */
@media (max-width: 1024px) {
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .hero-image-container { order: 0; }
    .hero-text { order: 1; text-align: center; }
}

/* Custom cursor (fallback style if JS inserts element) */
.custom-cursor-glow { pointer-events: none; }

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-glow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
    50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.5; }
}

@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-20deg); }
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: auto;
        padding: var(--space-16) 0;
    }
    
    .hero-image {
        width: 250px;
        height: 250px;
    }
    
    .hero-glow {
        width: 270px;
        height: 270px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .btn {
        padding: var(--space-2) var(--space-4);
        font-size: 0.875rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .github-stats {
        grid-template-columns: 1fr;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Header and Navigation */
.site-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .site-header {
    background: rgba(18, 18, 18, 0.95);
}

/* Dark theme mobile header */
@media (max-width: 768px) {
    [data-theme="dark"] .site-header {
        background: rgba(30, 34, 39, 0.98);
        border-bottom-color: rgba(255, 255, 255, 0.1);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }
}

@media (max-width: 480px) {
    [data-theme="dark"] .site-header {
        background: rgba(30, 34, 39, 0.99);
    }
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    left: auto;
    z-index: 1001;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
    font-size: 1.5rem;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
}

.theme-toggle .sun-icon {
    display: none;
    color: #f39c12;
}

.theme-toggle .moon-icon {
    display: block;
    color: var(--primary-color);
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

.site-header.scrolled {
    box-shadow: var(--shadow);
}

.navbar {
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none !important;
}

.nav-logo .logo-symbol {
    display: block;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(255,255,255,0.08), 0 4px 10px -2px rgba(0,0,0,0.4);
    transition: transform 0.4s ease, filter 0.4s ease;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.15), rgba(255,255,255,0));
}

.nav-logo:hover .logo-symbol {
    transform: rotate(8deg) scale(1.05);
    filter: drop-shadow(0 0 6px rgba(99,102,241,0.6));
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.nav-items {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none !important;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

/* Dropdown styles */
.nav-dropdown {
    position: relative;
}

.nav-more-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 500;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    font-size: inherit;
}

.nav-more-btn:hover,
.nav-dropdown.show .nav-more-btn {
    background-color: var(--secondary-color);
    color: white;
}

.nav-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
    padding: 0.5rem 0;
    min-width: 200px;
    z-index: 1000;
    display: none;
}

.nav-dropdown.show .nav-dropdown-content {
    display: block;
}

.nav-dropdown-content .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin: 0.125rem 0.5rem;
}

.nav-dropdown-content .nav-link:hover {
    background-color: var(--secondary-color);
    color: white;
}

.nav-dropdown-content .nav-link.active {
    background-color: var(--secondary-color);
    color: white;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* Main content */
.main-content {
    margin-top: 90px;
    min-height: calc(100vh - 90px);
}

/* Add top margin for all pages except home */
body:not(.home) .main-content {
    margin-top: 100px;
    padding-top: 1rem;
}

/* Ensure home page keeps original spacing */
body.home .main-content {
    margin-top: 90px;
    padding-top: 0;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--hero-bg-start) 0%, var(--hero-bg-middle) 50%, var(--hero-bg-end) 100%);
    color: var(--hero-text);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(120, 100, 255, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 100, 150, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(100, 255, 150, 0.1) 0%, transparent 50%);
    animation: gradientShift 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='40' y='45' text-anchor='middle' fill='%23ffffff' fill-opacity='0.04' font-size='20' font-family='serif'%3E∑%3C/text%3E%3C/svg%3E") 0 0,
        url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='50' y='55' text-anchor='middle' fill='%23ffffff' fill-opacity='0.035' font-size='24' font-family='serif'%3E∫%3C/text%3E%3C/svg%3E") 200px 100px,
        url("data:image/svg+xml,%3Csvg width='90' height='90' viewBox='0 0 90 90' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='45' y='50' text-anchor='middle' fill='%23ffffff' fill-opacity='0.045' font-size='22' font-family='serif'%3Eπ%3C/text%3E%3C/svg%3E") 400px 50px,
        url("data:image/svg+xml,%3Csvg width='85' height='85' viewBox='0 0 85 85' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='42.5' y='48' text-anchor='middle' fill='%23ffffff' fill-opacity='0.04' font-size='21' font-family='serif'%3E∞%3C/text%3E%3C/svg%3E") 600px 150px,
        url("data:image/svg+xml,%3Csvg width='95' height='95' viewBox='0 0 95 95' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='47.5' y='52' text-anchor='middle' fill='%23ffffff' fill-opacity='0.035' font-size='23' font-family='serif'%3E∂%3C/text%3E%3C/svg%3E") 800px 80px,
        url("data:image/svg+xml,%3Csvg width='75' height='75' viewBox='0 0 75 75' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='37.5' y='43' text-anchor='middle' fill='%23ffffff' fill-opacity='0.04' font-size='19' font-family='serif'%3Eα%3C/text%3E%3C/svg%3E") 100px 200px,
        url("data:image/svg+xml,%3Csvg width='110' height='110' viewBox='0 0 110 110' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='55' y='60' text-anchor='middle' fill='%23ffffff' fill-opacity='0.045' font-size='25' font-family='serif'%3EΔ%3C/text%3E%3C/svg%3E") 300px 250px,
        url("data:image/svg+xml,%3Csvg width='88' height='88' viewBox='0 0 88 88' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='44' y='49' text-anchor='middle' fill='%23ffffff' fill-opacity='0.035' font-size='21' font-family='serif'%3Eλ%3C/text%3E%3C/svg%3E") 500px 300px,
        url("data:image/svg+xml,%3Csvg width='82' height='82' viewBox='0 0 82 82' xmlns='http://www.w3.org/2000/svg'%3E%3Ctext x='41' y='46' text-anchor='middle' fill='%23ffffff' fill-opacity='0.04' font-size='20' font-family='serif'%3Eφ%3C/text%3E%3C/svg%3E") 700px 220px;
    animation: mathFloatSlow 60s linear infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes mathFloatSlow {
    0% { 
        transform: translateY(0px) translateX(0px);
        opacity: 1;
    }
    50% { 
        transform: translateY(-5px) translateX(3px);
        opacity: 0.8;
    }
    100% { 
        transform: translateY(0px) translateX(0px);
        opacity: 1;
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    animation: fadeInUp 1s ease-out;
}

.hero-text {
    order: 2;
    text-align: left;
}

.hero-image {
    order: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Add extra curly bubbles for more organic look */
.hero-image::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 25%;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    opacity: 0;
    animation: extraBubble1 3s ease-in-out infinite 3s;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 35%;
    width: 7px;
    height: 7px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    opacity: 0;
    animation: extraBubble2 3s ease-in-out infinite 3.5s;
}

@keyframes extraBubble1 {
    0%, 80%, 100% {
        opacity: 0;
        transform: translateY(0px) scale(1);
    }
    20%, 60% {
        opacity: 0.6;
        transform: translateY(-5px) scale(1.2);
    }
}

@keyframes extraBubble2 {
    0%, 70%, 100% {
        opacity: 0;
        transform: translateY(0px) scale(1);
    }
    30%, 50% {
        opacity: 0.4;
        transform: translateY(-3px) scale(1.1);
    }
}

.status-bubble {
    background: rgba(255, 255, 255, 0.95);
    color: #2c3e50;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    margin-bottom: 2rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 8px 25px rgba(124, 100, 255, 0.4);
    animation: bubbleGlow 2s ease-in-out infinite, fadeInBubble 1s ease-out 2.7s forwards;
    opacity: 0;
    backdrop-filter: blur(10px);
    transform: translateY(10px) scale(0.8);
    border: 1px solid rgba(124, 100, 255, 0.2);
}

/* Curly thinking bubble tail with multiple circles */
.status-bubble::before {
    content: '';
    position: absolute;
    bottom: -25px;
    left: 30%;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: 
        -8px 8px 0 -2px rgba(255, 255, 255, 0.8),
        -18px 16px 0 -6px rgba(255, 255, 255, 0.6),
        -24px 24px 0 -8px rgba(255, 255, 255, 0.4);
    animation: bubbleTail 2s ease-in-out infinite 0.5s;
}

/* Additional small bubble for curly effect */
.status-bubble::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 45%;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    animation: bubbleTail 2s ease-in-out infinite 1s;
}

@keyframes fadeInBubble {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.5);
    }
    60% {
        opacity: 1;
        transform: translateY(-5px) scale(1.1);
    }
    100% {
        opacity: 1;
        transform: translateY(0px) scale(1);
    }
}

@keyframes bubbleGlow {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(124, 100, 255, 0.4);
        transform: translateY(0px) scale(1);
    }
    50% {
        box-shadow: 0 12px 35px rgba(124, 100, 255, 0.6);
        transform: translateY(-3px) scale(1.02);
    }
}

@keyframes bubbleTail {
    0%, 100% {
        transform: translateY(0px) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-2px) scale(1.1);
        opacity: 1;
    }
}

.japanese-greeting {
    font-size: 2rem !important;
    text-align: center;
    margin-bottom: 1rem !important;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
    font-weight: 400;
}

.japanese-greeting a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.japanese-greeting a:hover {
    color: #7c64ff;
    transform: scale(1.1);
    text-shadow: 0 0 20px rgba(124, 100, 255, 0.6);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.hero h2 a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.hero h2 a:hover {
    color: #7c64ff;
    transform: scale(1.05);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.6s forwards;
    background: linear-gradient(45deg, #fff, #7c64ff, #ff6b9d);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.6s forwards, gradientText 3s ease-in-out infinite 1s;
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    .hero *,
    .profile-image,
    .btn,
    .status-indicator {
        animation: none !important;
        transition: none !important;
    }
    
    .hero::before,
    .hero::after {
        animation: none !important;
    }
    
    .hero-content {
        opacity: 1;
        transform: none;
    }
    
    .hero h1,
    .hero h2,
    .hero .subtitle,
    .hero .description,
    .status-badge,
    .profile-image,
    .math-formula,
    .cta-buttons {
        opacity: 1;
        animation: none !important;
    }
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.95);
    animation: fadeInUp 1s ease-out 0.9s forwards;
}

.hero-description {
    font-size: 1.05rem;
    margin-bottom: 2rem;
    margin-bottom: var(--space-8);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.1s forwards;
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: #00ff88;
    border-radius: 50%;
    position: relative;
    animation: statusPulse 2s infinite;
}

.status-indicator::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: #00ff88;
    border-radius: 50%;
    opacity: 0.6;
    animation: statusPulse 2s infinite 0.5s;
}

.status-indicator::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: #00ff88;
    border-radius: 50%;
    opacity: 0.3;
    animation: statusPulse 2s infinite 1s;
}

@keyframes statusPulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.3; 
        transform: scale(1.3);
    }
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);
    object-fit: cover;
    opacity: 0;
    animation: fadeInScale 1.2s ease-out 1.5s forwards, float 6s ease-in-out infinite 3s;
    transition: all 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4), 0 0 0 2px rgba(124, 100, 255, 0.5);
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.math-formula {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
    margin: 1rem 0 2rem 0;
    font-family: 'Times New Roman', serif;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.8s forwards;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s ease-out 2.1s forwards;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #7c64ff, #ff6b9d);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(124, 100, 255, 0.4);
    transform: translateY(0);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #6a52e6, #e5588a);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 100, 255, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

/* Status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background-color: #2ecc71;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* About section */
.about-section {
    padding: 4rem 0;
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Quick links section */
.quick-links {
    padding: 4rem 0;
    background-color: var(--bg-secondary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.link-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
    color: var(--text-primary);
}

.link-card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.link-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.link-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Page content */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 400;
}

.page-body {
    font-size: 1.125rem;
    line-height: 1.8;
}

/* Ads - subtle containers to preserve aesthetics */
.ad-container {
    margin: 1.5rem auto;
    padding: 0.75rem 0;
    border-radius: var(--border-radius);
    background: var(--card-bg, transparent);
}

.ad-wrap {
    display: block;
    margin: 2rem 0;
}
.ad-wrap--top { margin-top: 0; }
.home-ad-section { padding: 0; }

/* Education timeline */
.education-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--secondary-color);
}

.education-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.education-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.education-percentage {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Achievement cards */
.achievement {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.achievement:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.achievement h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.achievement-icon {
    color: var(--accent-color);
}

.achievement p {
    line-height: 1.6;
}

.achievement-details {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
}

.achievement-details ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

/* Contact form */
.contact-info {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.contact-icon {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

/* CV section */
.cv-download {
    text-align: center;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.cv-download .btn {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Social links */
.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.social-link:hover {
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Footer */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text) !important;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--footer-text) !important;
}

.footer-section p {
    color: var(--footer-text-muted) !important;
    margin-bottom: 0.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--footer-text-muted) !important;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--footer-text) !important;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding-top: 1rem;
    text-align: center;
    color: var(--footer-text-muted) !important;
}

/* Footer social links specific styling */
.site-footer .social-link {
    background: rgba(255, 255, 255, 0.15);
    color: var(--footer-text) !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 500;
}

.site-footer .social-link:hover {
    background: rgba(255, 255, 255, 0.25);
    color: var(--footer-text) !important;
    border-color: rgba(255, 255, 255, 0.5);
}

/* Ensure all footer text is visible with stronger contrast */
.site-footer * {
    color: var(--footer-text) !important;
}

.site-footer h3 {
    color: var(--footer-text) !important;
    font-weight: 600 !important;
}

.site-footer p {
    color: var(--footer-text) !important;
    opacity: 0.9;
    font-weight: 400;
}

.footer-section p {
    color: var(--footer-text) !important;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    font-weight: 400;
}

.footer-links a {
    color: var(--footer-text) !important;
    opacity: 0.8;
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--footer-text) !important;
    opacity: 1;
}

.footer-bottom {
    border-top: 1px solid var(--footer-border);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--footer-text) !important;
    opacity: 0.8;
}

/* Math content styling */
.MathJax {
    font-size: 1.1em !important;
}

/* Table styling */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--table-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--table-border);
    font-size: 0.95rem;
}

table th {
    background: var(--table-header-bg);
    color: var(--table-header-text);
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--table-border);
    position: relative;
}

table th:not(:last-child) {
    border-right: 1px solid var(--table-border);
}

table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--table-border);
    vertical-align: top;
    line-height: 1.6;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

table td:not(:last-child) {
    border-right: 1px solid var(--table-border);
}

table tr:last-child td {
    border-bottom: none;
}

table tr:nth-child(even) {
    background-color: var(--table-stripe);
}

table tr:hover {
    background-color: var(--table-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Table responsive wrapper */
.table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.table-wrapper table {
    margin: 0;
    min-width: 600px;
}

/* Table icons and badges */
table td strong {
    color: var(--primary-color);
    font-weight: 600;
}

table td code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Enhanced visibility for links in tables */
table a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

table a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Emoji styling */
.emoji {
    font-style: normal;
    font-size: 1.2em;
    vertical-align: middle;
}

/* Code block improvements for mobile */
@media (max-width: 768px) {
    pre {
        padding: 1rem;
        font-size: 0.8rem;
        margin: 1rem 0;
        border-radius: var(--border-radius-sm);
    }
    
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.75rem 0.5rem;
    }
    
    blockquote {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    blockquote p {
        margin-left: 1.5rem;
    }
}

@media (max-width: 520px) {
    .nav-logo .logo-symbol { width: 40px; height: 40px; }
    .logo-text { font-size: 1.15rem; }
    .logo-subtitle { font-size: 0.65rem; }
}

/* Better focus states for accessibility */
pre:focus,
table:focus,
blockquote:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Syntax highlighting improvements */
.highlight {
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.highlight pre {
    margin: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
}

/* Details/Summary styling for FAQ (theme-aware) */
details {
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: var(--bg-secondary);
}

summary {
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-fast);
    user-select: none;
}

summary:hover {
    background: var(--table-hover);
}

/* Keep open state readable in both themes */
details[open] summary {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

details[open] > div {
    padding: 1rem 1.25rem;
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* Ensure links and markers inherit readable colors */
summary a { color: inherit; text-decoration: none; }
summary a:hover { text-decoration: underline; }
summary::marker { color: var(--text-muted); }
summary::-webkit-details-marker { color: var(--text-muted); }

table tr:hover {
    background-color: var(--table-hover);
}

/* Responsive table */
@media (max-width: 768px) {
    table {
        font-size: 0.9rem;
    }
    
    table th,
    table td {
        padding: 0.75rem 0.5rem;
    }
}

@media (max-width: 600px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

/* Comprehensive Markdown Styling */

/* Blockquotes */
blockquote {
    margin: 1.5rem 0;
    padding: 1.25rem 1.5rem;
    border-left: 4px solid var(--blockquote-border);
    background: var(--blockquote-bg);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    font-style: italic;
    color: var(--blockquote-text);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--blockquote-border);
    position: relative;
}

blockquote::before {
    content: "💡";
    font-size: 1.5rem;
    position: absolute;
    left: 0.75rem;
    top: 0.5rem;
    opacity: 0.7;
}

blockquote p {
    margin-bottom: 0.5rem;
    font-weight: 500;
    line-height: 1.6;
    margin-left: 2rem;
}

blockquote p:last-child {
    margin-bottom: 0;
}

blockquote strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Code blocks and inline code */
code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: var(--code-text);
    border: 1px solid var(--code-border);
}

/* Standalone pre blocks (not inside highlight wrapper) */
pre:not(.highlight pre) {
    background: var(--pre-bg);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    line-height: 1.5;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--pre-text);
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

/* Pre blocks inside highlight wrapper (syntax highlighted) */
.highlight pre {
    padding: 1.25rem;
    overflow-x: auto;
    margin: 0;
    line-height: 1.5;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--pre-text);
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: none;
    background: var(--pre-bg);
}

pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: inherit;
    color: inherit;
    white-space: pre-wrap;
    word-wrap: break-word;
    word-break: break-word;
    display: block;
    width: 100%;
}

/* Inline code styling */
code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.875em;
    border: 1px solid var(--code-border);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Lists */
ul, ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

li ul, li ol {
    margin: 0.5rem 0;
}

/* Nested lists */
ul ul, ol ol, ul ol, ol ul {
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

/* Definition lists */
dl {
    margin: 1rem 0;
}

dt {
    font-weight: 600;
    color: var(--primary-color);
    margin-top: 1rem;
}

dd {
    margin-left: 2rem;
    margin-bottom: 0.5rem;
}

/* Horizontal rules */
hr {
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 2rem 0;
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin: 1rem 0;
}

/* Figure and figcaption */
figure {
    margin: 1.5rem 0;
    text-align: center;
}

figcaption {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    font-style: italic;
}

/* Text formatting */
strong, b {
    font-weight: 600;
    color: var(--primary-color);
}

em, i {
    font-style: italic;
    color: var(--text-muted);
}

mark {
    background: rgba(255, 235, 59, 0.3);
    padding: 0.1rem 0.2rem;
    border-radius: 2px;
}

del, s {
    text-decoration: line-through;
    color: var(--text-muted);
}

ins, u {
    text-decoration: underline;
    color: var(--secondary-color);
}

small {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Superscript and subscript */
sup, sub {
    font-size: 0.75rem;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em;
}

/* Abbreviations */
abbr[title] {
    border-bottom: 1px dotted var(--text-muted);
    cursor: help;
    text-decoration: none;
}

/* Keyboard input */
kbd {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    background: var(--text-primary);
    color: white;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Sample output */
samp {
    font-family: var(--font-mono);
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Variable */
var {
    font-family: var(--font-mono);
    font-style: italic;
    color: var(--secondary-color);
}

/* Details and summary (unified with theme-aware styles above) */
details {
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0; /* padding handled by summary/body */
    background: var(--bg-secondary);
}

summary {
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 0; /* handled by open state */
    color: var(--text-primary);
}

summary:hover { color: var(--text-primary); }

details[open] summary {
    margin-bottom: 0; /* border separates header from body */
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Task lists (GitHub style) */
input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Footnotes */
.footnote {
    font-size: 0.875rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
    padding-top: 1rem;
}

.footnote-ref {
    font-size: 0.75rem;
    vertical-align: super;
    text-decoration: none;
    color: var(--secondary-color);
}

/* Markdown alerts/callouts */
.markdown-alert {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: var(--border-radius);
    border-left: 4px solid;
}

.markdown-alert.note {
    background: rgba(59, 130, 246, 0.1);
    border-left-color: #3b82f6;
}

.markdown-alert.tip {
    background: rgba(34, 197, 94, 0.1);
    border-left-color: #22c55e;
}

.markdown-alert.important {
    background: rgba(168, 85, 247, 0.1);
    border-left-color: #a855f7;
}

.markdown-alert.warning {
    background: rgba(245, 158, 11, 0.1);
    border-left-color: #f59e0b;
}

.markdown-alert.caution {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: #ef4444;
}

/* Blog Posts Styling */
.posts-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.post-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--secondary-color);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.post-header h3 {
    margin-bottom: 0.25rem;
    font-size: 1.25rem;
}

.post-header h3 a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.post-header h3 a:hover {
    color: var(--secondary-color);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post-categories {
    display: flex;
    gap: 0.5rem;
}

.category {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    color: var(--primary-color);
    font-weight: 500;
}

.post-excerpt {
    line-height: 1.5;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.read-more {
    color: var(--secondary-color);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 8px;
}

.no-posts {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

.no-posts h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.no-posts p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Individual Post Page Styling */
.post-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.post-content h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.post-content h2 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.post-content h3 {
    color: var(--secondary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

/* Responsive posts grid */
@media (max-width: 768px) {
    .posts-grid {
        gap: 1rem;
        margin: 1rem 0;
    }
    
    .post-card {
        padding: 1rem;
    }
    
    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .theme-toggle {
        top: 15px;
        left: 15px;
        right: auto;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 100px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        border: 1px solid var(--border-color);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    .nav-items {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .nav-dropdown-content {
        position: static;
        width: 100%;
        box-shadow: none;
        border: none;
        background: var(--bg-secondary);
        margin-top: 0.5rem;
    }
    
    .nav-more-btn {
        width: 100%;
        justify-content: center;
    }

    .nav-menu.show {
        left: 0;
    }

    .nav-toggle {
        display: flex;
        position: absolute;
        top: 1rem;
        right: 2rem;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        padding: 4rem 0;
        min-height: 90vh;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
        text-align: center;
    }
    
    .hero-image {
        order: 1;
        margin-bottom: 2rem;
    }
    
    .status-bubble {
        font-size: 0.8rem;
        padding: 0.5rem 1.2rem;
        margin-bottom: 1.5rem;
    }
    
    .japanese-greeting {
        font-size: 1.8rem !important;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        animation-delay: 0.3s;
    }

    .hero .subtitle {
        font-size: 1.25rem;
    }
    
    .math-formula {
        font-size: 1.25rem;
        margin: 1rem 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .container,
    .nav-container,
    .hero-container {
        padding: 0 1rem;
    }

    .main-content {
        margin-top: 110px;
    }
    
    /* Adjust for non-home pages on mobile */
    body:not(.home) .main-content {
        margin-top: 125px;
        padding-top: 0.75rem;
    }
    
    /* Keep home page spacing on mobile */
    body.home .main-content {
        margin-top: 110px;
        padding-top: 0;
    }

    .page-content {
        padding: 1rem;
    }

    .links-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
}

/* Dark mode specific improvements */
[data-theme="dark"] .nav-dropdown-content {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .link-card {
    background: var(--bg-color);
    color: var(--text-primary);
}

[data-theme="dark"] .education-item,
[data-theme="dark"] .achievement,
[data-theme="dark"] .contact-info,
[data-theme="dark"] .details {
    background: var(--bg-color);
}

[data-theme="dark"] .cv-download {
    background: var(--bg-secondary);
}

[data-theme="dark"] .post-card {
    background: var(--bg-color);
}

[data-theme="dark"] .no-posts {
    background: var(--bg-secondary);
}

/* Ensure proper contrast for all text elements */
[data-theme="dark"] strong,
[data-theme="dark"] b {
    color: var(--primary-color);
}

[data-theme="dark"] em,
[data-theme="dark"] i {
    color: var(--text-muted);
}

[data-theme="dark"] .achievement-details {
    background: var(--bg-secondary);
}

[data-theme="dark"] .contact-item {
    background: var(--bg-secondary);
}

[data-theme="dark"] .category {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

[data-theme="dark"] .tag {
    background: var(--bg-secondary);
    color: var(--text-muted);
}

/* Smooth transitions for theme changes */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

.hero,
.hero::before,
.hero::after {
    transition: background 0.3s ease !important;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for keyboard navigation */
.nav-link:focus,
.btn:focus,
.social-link:focus {
    outline: 2px solid var(--secondary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .site-header,
    .site-footer,
    .nav-toggle,
    .cta-buttons {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .hero {
        background: none;
    color: var(--text-primary);
    }
    
    .page-content {
        max-width: none;
        padding: 0;
    }
}

/* Home layout - target only Markdown content between HTML sections */
.main-content > h1:not(.page-title):not([class]),
.main-content > h2:not(.section-title):not([class]),
.main-content > h3:not([class]),
.main-content > h4:not([class]),
.main-content > h5:not([class]),
.main-content > h6:not([class]),
.main-content > p:not([class]),
.main-content > ul:not([class]),
.main-content > ol:not([class]),
.main-content > blockquote:not([class]),
.main-content > pre:not([class]),
.main-content > table:not([class]),
.main-content > hr:not([class]) {
    /* Apply page-content styling to Markdown-generated elements only */
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.main-content > h1:not(.page-title):not([class]),
.main-content > h2:not(.section-title):not([class]) {
    text-align: center;
    margin-bottom: 2rem;
    margin-top: 3rem;
    color: var(--primary-color);
}

.main-content > h1:not(.page-title):not([class]) {
    font-size: 2.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.main-content > h2:not(.section-title):not([class]) {
    font-size: 2rem;
}

.main-content > h3:not([class]) {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.main-content > h4:not([class]),
.main-content > h5:not([class]),
.main-content > h6:not([class]) {
    color: var(--primary-color);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.main-content > p:not([class]),
.main-content > ul:not([class]),
.main-content > ol:not([class]) {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.main-content > ul:not([class]),
.main-content > ol:not([class]) {
    padding-left: 4rem;
}

.main-content > ul:not([class]) li,
.main-content > ol:not([class]) li {
    margin-bottom: 0.5rem;
}

.main-content > blockquote:not([class]) {
    border-left: 4px solid var(--secondary-color);
    padding-left: 1.5rem;
    margin: 2rem auto;
    font-style: italic;
    color: var(--text-muted);
}

.main-content > pre:not([class]),
.main-content > .highlight,
.main-content > div.highlight {
    background-color: var(--pre-bg);
    border-radius: var(--border-radius);
    overflow-x: auto;
    border: 1px solid var(--pre-border);
    box-shadow: var(--shadow);
    /* Apply page-content styling to Markdown-generated elements only */
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.main-content > .highlight pre,
.main-content > div.highlight pre {
    background: none;
    border: none;
    box-shadow: none;
    margin: 0;
    padding: 0;
    max-width: none;
}

.main-content > pre:not([class]) code {
    color: var(--pre-text);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background: none;
    border: none;
    padding: 0;
}

.main-content > .highlight code,
.main-content > div.highlight code {
    color: var(--pre-text);
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    background: none;
    border: none;
    padding: 0;
}

.main-content > hr:not([class]) {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 3rem auto;
}

.main-content > table:not([class]) {
    border-collapse: collapse;
    margin: 2rem auto;
}

.main-content > table:not([class]) th,
.main-content > table:not([class]) td {
    border: 1px solid var(--table-border);
    padding: 0.75rem;
    text-align: left;
    color: var(--text-primary);
}

.main-content > table:not([class]) th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    color: var(--table-header-text);
}

/* Links in Markdown content */
.main-content > p:not([class]) a,
.main-content > ul:not([class]) a,
.main-content > ol:not([class]) a,
.main-content h3 a,
.main-content h4 a,
.main-content li a {
    color: var(--secondary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    font-weight: 500;
}

.main-content > p:not([class]) a:hover,
.main-content > ul:not([class]) a:hover,
.main-content > ol:not([class]) a:hover,
.main-content h3 a:hover,
.main-content h4 a:hover,
.main-content li a:hover {
    border-bottom-color: var(--secondary-color);
    color: var(--primary-color);
}

/* Ensure inline code links are properly styled */
.main-content code a {
    color: var(--secondary-color) !important;
    text-decoration: underline;
}

.main-content code a:hover {
    color: var(--primary-color) !important;
}

/* ================================
   MODERN CODE BLOCKS WITH SYNTAX HIGHLIGHTING
   ================================ */

/* Code block container */
.code-block-container {
    position: relative;
    margin: 2rem 0;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(145deg, #1e293b, #0f172a);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Code block header */
.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(15, 23, 42, 0.8);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
}

.code-block-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.code-language {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-file-icon {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
    color: white;
    transition: var(--transition-fast);
}

.code-file-icon svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Language-specific colors for icons */
.code-file-icon.js, 
.code-file-icon.javascript { 
    background: #f7df1e; 
    color: #000; 
}

.code-file-icon.python, 
.code-file-icon.py { 
    background: #3776ab; 
    color: #ffffff;
}

.code-file-icon.html { 
    background: #e34f26; 
    color: #ffffff;
}

.code-file-icon.css { 
    background: #1572b6; 
    color: #ffffff;
}

.code-file-icon.json { 
    background: #000000; 
    color: #ffffff;
}

.code-file-icon.bash, 
.code-file-icon.shell { 
    background: #4eaa25; 
    color: #ffffff;
}

.code-file-icon.sql { 
    background: #336791; 
    color: #ffffff;
}

.code-file-icon.yaml { 
    background: #cc1018; 
    color: #ffffff;
}

.code-file-icon.xml { 
    background: #0060ac; 
    color: #ffffff;
}

.code-file-icon.cpp { 
    background: #00599c; 
    color: #ffffff;
}

.code-file-icon.java { 
    background: #ed8b00; 
    color: #ffffff;
}

.code-file-icon.typescript, 
.code-file-icon.ts { 
    background: #3178c6; 
    color: #ffffff;
}

.code-file-icon.rust { 
    background: #ce422b; 
    color: #ffffff;
}

.code-file-icon.go { 
    background: #00add8; 
    color: #ffffff;
}

.code-file-icon.text { 
    background: #6c757d; 
    color: #ffffff;
}

/* Terminal dots */
.terminal-dots {
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.terminal-dot.close { background: #ff5f57; }
.terminal-dot.minimize { background: #ffbd2e; }
.terminal-dot.maximize { background: #28ca42; }

.terminal-dot:hover {
    opacity: 0.8;
    transform: scale(1.1);
}

/* Copy button */
.copy-button {
    position: relative;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 1rem;
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.copy-button:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.5);
    color: var(--secondary-color);
    transform: translateY(-1px);
}

.copy-button:active {
    transform: translateY(0);
}

.copy-button.copied {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.5);
    color: var(--success-color);
}

.copy-icon {
    width: 14px;
    height: 14px;
    transition: var(--transition-fast);
}

.copy-button.copied .copy-icon {
    transform: scale(1.2);
}

/* Code content */
.code-content {
    position: relative;
    overflow-x: auto;
    background: linear-gradient(145deg, #0f172a, #1e293b);
}

.code-content pre {
    margin: 0;
    padding: 1.5rem;
    background: transparent;
    border: none;
    border-radius: 0;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: #e2e8f0;
    overflow-x: auto;
}

.code-content code {
    background: transparent;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Line numbers */
.code-content.with-line-numbers {
    position: relative;
}

.line-numbers {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3rem;
    background: rgba(15, 23, 42, 0.5);
    border-right: 1px solid rgba(99, 102, 241, 0.2);
    padding: 1.5rem 0;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text-muted);
    text-align: right;
    user-select: none;
    backdrop-filter: blur(5px);
}

.line-numbers span {
    display: block;
    padding-right: 0.75rem;
    transition: var(--transition-fast);
}

.line-numbers span:hover {
    color: var(--secondary-color);
}

.code-content.with-line-numbers pre {
    padding-left: 4rem;
}

/* Syntax highlighting */
.highlight .c { color: #64748b; font-style: italic; } /* Comment */
.highlight .k { color: #c084fc; font-weight: bold; } /* Keyword */
.highlight .s { color: #34d399; } /* String */
.highlight .n { color: #e2e8f0; } /* Name */
.highlight .o { color: #fbbf24; } /* Operator */
.highlight .p { color: #94a3b8; } /* Punctuation */
.highlight .m { color: #fb7185; } /* Number */
.highlight .nf { color: #60a5fa; } /* Function */
.highlight .nc { color: #a78bfa; } /* Class */
.highlight .nd { color: #f472b6; } /* Decorator */
.highlight .kd { color: #c084fc; } /* Keyword Declaration */
.highlight .kn { color: #8b5cf6; } /* Keyword Namespace */
.highlight .kr { color: #c084fc; } /* Keyword Reserved */
.highlight .kt { color: #06b6d4; } /* Keyword Type */
.highlight .nb { color: #fbbf24; } /* Builtin */
.highlight .bp { color: #fbbf24; } /* Builtin Pseudo */
.highlight .nv { color: #fb7185; } /* Variable */
.highlight .nn { color: #06b6d4; } /* Namespace */
.highlight .nt { color: #f472b6; } /* Tag */
.highlight .na { color: #34d399; } /* Attribute */
.highlight .si { color: #fbbf24; } /* String Interpolation */

/* JavaScript specific */
.highlight .js .kd { color: #c084fc; } /* var, let, const */
.highlight .js .nx { color: #e2e8f0; } /* Variable names */
.highlight .js .s2 { color: #34d399; } /* Double quoted strings */
.highlight .js .s1 { color: #34d399; } /* Single quoted strings */

/* Python specific */
.highlight .python .k { color: #c084fc; } /* def, class, if, etc */
.highlight .python .bp { color: #fbbf24; } /* self, cls */
.highlight .python .s2 { color: #34d399; } /* Strings */

/* CSS specific */
.highlight .css .k { color: #06b6d4; } /* Properties */
.highlight .css .nv { color: #fb7185; } /* CSS variables */
.highlight .css .m { color: #fbbf24; } /* Values */

/* HTML specific */
.highlight .html .nt { color: #f472b6; } /* Tags */
.highlight .html .na { color: #34d399; } /* Attributes */
.highlight .html .s { color: #fbbf24; } /* Attribute values */

/* Enhanced code block for specific languages */
.code-block-container.language-javascript,
.code-block-container.language-js {
    border-color: rgba(247, 223, 30, 0.3);
}

.code-block-container.language-python {
    border-color: rgba(55, 118, 171, 0.3);
}

.code-block-container.language-html {
    border-color: rgba(227, 79, 38, 0.3);
}

.code-block-container.language-css {
    border-color: rgba(21, 114, 182, 0.3);
}

/* Inline code styling */
.main-content code:not(pre code) {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--secondary-color);
    padding: 0.2rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: 0.85em;
    font-weight: 500;
    transition: var(--transition-fast);
}

.main-content code:not(pre code):hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
}

/* Responsive design for code blocks */
@media (max-width: 768px) {
    .code-block-header {
        padding: 0.75rem 1rem;
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
    
    .code-content pre {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    .line-numbers {
        width: 2.5rem;
    }
    
    .code-content.with-line-numbers pre {
        padding-left: 3.5rem;
    }
    
    .terminal-dots {
        order: -1;
    }
}

/* Animation for copy feedback */
@keyframes copySuccess {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.copy-button.copied {
    animation: copySuccess 0.3s ease;
}

/* Smooth scrolling for long code blocks */
.code-content::-webkit-scrollbar {
    height: 8px;
}

.code-content::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.5);
    border-radius: 4px;
}

.code-content::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.code-content::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* Beautiful Profile Picture Animations */
@keyframes status-float {
    0%, 100% { 
        transform: translateX(-50%) translateY(0px);
        opacity: 0.9;
    }
    50% { 
        transform: translateX(-50%) translateY(-5px);
        opacity: 1;
    }
}

@keyframes status-pulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
    }
    50% { 
        transform: scale(1.2);
        box-shadow: 0 0 20px rgba(16, 185, 129, 0.8);
    }
}

@keyframes profile-glow {
    0%, 100% {
        box-shadow: 
            0 0 30px rgba(99, 102, 241, 0.3),
            0 0 60px rgba(139, 92, 246, 0.2),
            inset 0 0 20px rgba(255, 255, 255, 0.1);
    }
    25% {
        box-shadow: 
            0 0 40px rgba(139, 92, 246, 0.4),
            0 0 80px rgba(6, 182, 212, 0.3),
            inset 0 0 25px rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow: 
            0 0 50px rgba(6, 182, 212, 0.4),
            0 0 100px rgba(16, 185, 129, 0.3),
            inset 0 0 30px rgba(255, 255, 255, 0.2);
    }
    75% {
        box-shadow: 
            0 0 40px rgba(16, 185, 129, 0.4),
            0 0 80px rgba(99, 102, 241, 0.3),
            inset 0 0 25px rgba(255, 255, 255, 0.15);
    }
}

@keyframes metallic-fire {
    0% {
        background-position: 0% 0%;
        opacity: 0.6;
        transform: rotate(0deg) scale(1);
    }
    25% {
        background-position: 100% 0%;
        opacity: 0.8;
        transform: rotate(90deg) scale(1.05);
    }
    50% {
        background-position: 100% 100%;
        opacity: 1;
        transform: rotate(180deg) scale(1.1);
    }
    75% {
        background-position: 0% 100%;
        opacity: 0.8;
        transform: rotate(270deg) scale(1.05);
    }
    100% {
        background-position: 0% 0%;
        opacity: 0.6;
        transform: rotate(360deg) scale(1);
    }
}

@keyframes orbital-fire {
    0% {
        transform: rotate(0deg);
        opacity: 0.6;
    }
    25% {
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
    75% {
        opacity: 0.8;
    }
    100% {
        transform: rotate(360deg);
        opacity: 0.6;
    }
}

@keyframes cosmic-pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    25% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
    75% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.8;
    }
}

@keyframes particle-orbit-1 {
    0% {
        transform: rotate(0deg) translateX(160px) rotate(0deg);
        opacity: 0.8;
    }
    25% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
    75% {
        opacity: 1;
    }
    100% {
        transform: rotate(360deg) translateX(160px) rotate(-360deg);
        opacity: 0.8;
    }
}

@keyframes particle-orbit-2 {
    0% {
        transform: rotate(0deg) translateX(140px) rotate(0deg);
        opacity: 0.6;
    }
    33% {
        opacity: 1;
    }
    66% {
        opacity: 0.8;
    }
    100% {
        transform: rotate(360deg) translateX(140px) rotate(-360deg);
        opacity: 0.6;
    }
}

@keyframes cursor-glow-blink {
    0%, 50% { 
        opacity: 1;
        text-shadow: 
            0 0 5px currentColor,
            0 0 10px currentColor,
            0 0 15px currentColor,
            0 0 20px currentColor,
            0 0 25px rgba(245, 158, 11, 0.8);
        filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
        transform: scale(1);
    }
    51%, 100% { 
        opacity: 0;
        text-shadow: 
            0 0 2px currentColor,
            0 0 5px currentColor;
        filter: drop-shadow(0 0 3px rgba(245, 158, 11, 0.3));
        transform: scale(0.95);
    }
}

/* All in いち Custom Animations */
@keyframes connection-pulse {
    0% { 
        background: linear-gradient(90deg, #10a37f, #19c37d, #10a37f);
        transform: translate(-50%, -50%) scaleX(1);
    }
    50% { 
        background: linear-gradient(90deg, #19c37d, #10a37f, #19c37d);
        transform: translate(-50%, -50%) scaleX(1.1);
    }
    100% { 
        background: linear-gradient(90deg, #10a37f, #19c37d, #10a37f);
        transform: translate(-50%, -50%) scaleX(1);
    }
}

/* Chat Archive Specific Styles */
.chat-indicator {
    background: linear-gradient(135deg, #10a37f, #19c37d);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-8);
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.features-section,
.recent-chats-section {
    padding: var(--space-20) 0;
}

.section-cta {
    text-align: center;
    margin-top: var(--space-12);
}

/* Modern Poem Cards Layout */
.posts-grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.poem-card {
    min-height: 200px;
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.poem-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.poem-card-content {
    flex-grow: 1;
}

.poem-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.poem-title a {
    text-decoration: none;
    color: inherit;
}

.poem-icon {
    font-size: 1.1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.poem-card:hover .poem-icon {
    opacity: 1;
    transform: scale(1.1);
}

.poem-excerpt {
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    opacity: 0.85;
}

.poem-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.poem-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    font-weight: 500;
}

.poem-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.poem-category {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-weight: 500;
}

.poem-meta {
    font-size: 0.8rem;
    opacity: 0.7;
    font-weight: 500;
    margin-top: auto;
}

/* Default card styles */
.poem-card[data-card-color="default"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.poem-card[data-card-color="default"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="purple"] {
    background: linear-gradient(135deg, #a855f7 0%, #8b5cf6 100%);
    color: #ffffff;
}

.poem-card[data-card-color="purple"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="green"] {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
}

.poem-card[data-card-color="green"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="blue"] {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #ffffff;
}

.poem-card[data-card-color="blue"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="orange"] {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: #ffffff;
}

.poem-card[data-card-color="orange"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="pink"] {
    background: linear-gradient(135deg, #ec4899 0%, #db2777 100%);
    color: #ffffff;
}

.poem-card[data-card-color="pink"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="slate"] {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: #ffffff;
}

.poem-card[data-card-color="slate"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="yellow"] {
    background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
    color: #1f2937;
}

.poem-card[data-card-color="yellow"] .poem-title a {
    color: #1f2937 !important;
}

.poem-card[data-card-color="teal"] {
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: #ffffff;
}

.poem-card[data-card-color="teal"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="black"] {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: #ffffff;
}

.poem-card[data-card-color="black"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="light"] {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: #1e293b;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.poem-card[data-card-color="light"] .poem-title a {
    color: #1e293b !important;
}

/* Additional card colors */
.poem-card[data-card-color="rose"] {
    background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    color: #ffffff;
}

.poem-card[data-card-color="rose"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="emerald"] {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    color: #ffffff;
}

.poem-card[data-card-color="emerald"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="sky"] {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
    color: #ffffff;
}

.poem-card[data-card-color="sky"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="violet"] {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: #ffffff;
}

.poem-card[data-card-color="violet"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="amber"] {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #1f2937;
}

.poem-card[data-card-color="amber"] .poem-title a {
    color: #1f2937 !important;
}

.poem-card[data-card-color="cyan"] {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: #ffffff;
}

.poem-card[data-card-color="cyan"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="lime"] {
    background: linear-gradient(135deg, #65a30d 0%, #4d7c0f 100%);
    color: #ffffff;
}

.poem-card[data-card-color="lime"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="fuchsia"] {
    background: linear-gradient(135deg, #d946ef 0%, #c026d3 100%);
    color: #ffffff;
}

.poem-card[data-card-color="fuchsia"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="stone"] {
    background: linear-gradient(135deg, #78716c 0%, #57534e 100%);
    color: #ffffff;
}

.poem-card[data-card-color="stone"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="gradient-sunset"] {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 50%, #ffcc02 100%);
    color: #ffffff;
}

.poem-card[data-card-color="gradient-sunset"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="gradient-ocean"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #c471ed 100%);
    color: #ffffff;
}

.poem-card[data-card-color="gradient-ocean"] .poem-title a {
    color: #ffffff !important;
}

.poem-card[data-card-color="gradient-forest"] {
    background: linear-gradient(135deg, #134e5e 0%, #71b280 100%);
    color: #ffffff;
}

.poem-card[data-card-color="gradient-forest"] .poem-title a {
    color: #ffffff !important;
}

/* Card style variations */
.poem-card[data-card-style="minimal"] {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 2px solid var(--border-color);
    box-shadow: none;
}

.poem-card[data-card-style="minimal"]:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.poem-card[data-card-style="glass"] {
    background: rgba(255, 255, 255, 0.15) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #1a202c !important;
}

.poem-card[data-card-style="glass"] .poem-title a {
    color: #1a202c !important;
}

.poem-card[data-card-style="glass"] .poem-tag {
    background: rgba(0, 0, 0, 0.15) !important;
    color: #1a202c !important;
}

/* Additional card style variations */
.poem-card[data-card-style="bordered"] {
    background: transparent !important;
    color: var(--text-primary) !important;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.poem-card[data-card-style="bordered"]:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.poem-card[data-card-style="shadow"] {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.poem-card[data-card-style="shadow"]:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
    transform: translateY(-5px);
}

.poem-card[data-card-style="neon"] {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 2px solid var(--primary-color);
    box-shadow: 
        0 0 10px var(--primary-color),
        inset 0 0 10px rgba(var(--primary-color), 0.1);
}

.poem-card[data-card-style="neon"]:hover {
    box-shadow: 
        0 0 20px var(--primary-color),
        0 0 30px var(--primary-color),
        inset 0 0 15px rgba(var(--primary-color), 0.2);
}

.poem-card[data-card-style="embossed"] {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(0, 0, 0, 0.1),
        0 4px 15px rgba(0, 0, 0, 0.1);
}

.poem-card[data-card-style="embossed"]:hover {
    box-shadow: 
        inset 0 2px 0 rgba(255, 255, 255, 0.3),
        inset 0 -2px 0 rgba(0, 0, 0, 0.15),
        0 6px 20px rgba(0, 0, 0, 0.15);
}

.poem-card[data-card-style="gradient-border"] {
    background: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border: 3px solid;
    border-image: linear-gradient(135deg, #667eea, #764ba2, #667eea) 1;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.poem-card[data-card-style="gradient-border"]:hover {
    border-image: linear-gradient(135deg, #764ba2, #667eea, #764ba2) 1;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Dark theme adjustments */
[data-theme="dark"] .poem-card[data-card-style="minimal"] {
    background: var(--bg-secondary) !important;
    border-color: var(--border-color);
}

[data-theme="dark"] .poem-card[data-card-style="glass"] {
    background: rgba(0, 0, 0, 0.3) !important;
    border-color: rgba(255, 255, 255, 0.1);
    color: #f7fafc !important;
}

[data-theme="dark"] .poem-card[data-card-style="glass"] .poem-title a {
    color: #f7fafc !important;
}

[data-theme="dark"] .poem-card[data-card-style="glass"] .poem-tag {
    background: rgba(255, 255, 255, 0.15) !important;
    color: #f7fafc !important;
}

[data-theme="dark"] .poem-card[data-card-color="light"] {
    background: linear-gradient(135deg, #374151 0%, #4b5563 100%) !important;
    color: #f9fafb !important;
}

[data-theme="dark"] .poem-card[data-card-color="light"] .poem-title a {
    color: #f9fafb !important;
}

/* Enhanced contrast for dark theme colored cards */
[data-theme="dark"] .poem-card[data-card-color="yellow"] {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: #1f2937 !important;
}

[data-theme="dark"] .poem-card[data-card-color="yellow"] .poem-title a {
    color: #1f2937 !important;
}

/* Dark theme support for new card styles */
[data-theme="dark"] .poem-card[data-card-style="bordered"] {
    background: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--primary-color);
}

[data-theme="dark"] .poem-card[data-card-style="shadow"] {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .poem-card[data-card-style="shadow"]:hover {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .poem-card[data-card-style="neon"] {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .poem-card[data-card-style="embossed"] {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.1),
        inset 0 -1px 0 rgba(0, 0, 0, 0.3),
        0 4px 15px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .poem-card[data-card-style="gradient-border"] {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

/* Enhanced Mobile Responsive Design */
@media (max-width: 768px) {
    /* Fixed header positioning */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .nav-container {
        padding: 0;
        max-width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }
    
    .nav-logo {
        gap: 0.5rem;
    }
    
    .logo-symbol {
        width: 32px !important;
        height: 32px !important;
    }
    
    .logo-text {
        font-size: 1.1rem;
        font-weight: 600;
    }
    
    .logo-subtitle {
        font-size: 0.75rem;
        opacity: 0.8;
    }
    
    /* Content padding to account for fixed header */
    main {
        padding-top: 70px;
    }
    
    .hero-section {
        min-height: calc(100vh - 70px);
        padding: 2rem 0;
    }
    
    .hero-content {
        padding: 0 1rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 1rem;
        line-height: 1.2;
    }
    
    .typing-container {
        height: 50px;
        margin-bottom: 1.5rem;
    }
    
    .typing-text {
        font-size: clamp(1rem, 5vw, 1.5rem);
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        min-height: 48px;
    }
    
    /* Card grid improvements */
    .posts-grid-cards {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 1.5rem 1rem;
        margin: 0;
    }
    
    .poem-card {
        min-height: 200px;
        padding: 1.5rem;
        margin: 0;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }
    
    .poem-title {
        font-size: 1.2rem;
        line-height: 1.3;
        margin-bottom: 0.75rem;
    }
    
    .poem-icon {
        font-size: 1.1rem;
    }
    
    .poem-excerpt {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-bottom: 1rem;
    }
    
    .poem-tags, .poem-categories {
        gap: 0.4rem;
        margin-bottom: 0.75rem;
    }
    
    .poem-tag, .poem-category {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .poem-meta {
        font-size: 0.8rem;
        margin-top: auto;
    }
    
    /* Theme toggle mobile positioning */
    .theme-toggle {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
    
    /* Page title improvements */
    .page-title {
        font-size: 2rem;
        margin-bottom: 0.5rem;
        padding: 0 1rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    /* Ultra mobile optimizations */
    .site-header {
        background: rgba(255, 255, 255, 0.99);
    }
    
    .navbar {
        padding: 0.4rem 0.75rem;
    }
    
    .nav-logo {
        gap: 0.4rem;
    }
    
    .logo-symbol {
        width: 28px !important;
        height: 28px !important;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
    
    /* Content adjustments */
    main {
        padding-top: 60px;
    }
    
    .hero-section {
        min-height: calc(100vh - 60px);
        padding: 1.5rem 0;
    }
    
    .hero-content {
        padding: 0 0.75rem;
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 10vw, 2.2rem);
        line-height: 1.2;
        margin-bottom: 0.75rem;
    }
    
    .typing-container {
        height: 45px;
        margin-bottom: 1.25rem;
    }
    
    .typing-text {
        font-size: clamp(0.9rem, 6vw, 1.3rem);
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        padding: 0.7rem 1.25rem;
        font-size: 0.85rem;
        min-height: 44px;
    }
    
    /* Compact card layout */
    .posts-grid-cards {
        gap: 1rem;
        padding: 1rem 0.75rem;
    }
    
    .poem-card {
        min-height: 180px;
        padding: 1.25rem;
        border-radius: 10px;
    }
    
    .poem-title {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }
    
    .poem-icon {
        font-size: 1rem;
    }
    
    .poem-excerpt {
        font-size: 0.85rem;
        line-height: 1.4;
        margin-bottom: 0.75rem;
    }
    
    .poem-tag, .poem-category {
        font-size: 0.7rem;
        padding: 0.2rem 0.4rem;
    }
    
    .poem-meta {
        font-size: 0.75rem;
    }
    
    /* Theme toggle ultra mobile */
    .theme-toggle {
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
    
    /* Page titles mobile */
    .page-title {
        font-size: 1.75rem;
        padding: 0 0.75rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
        padding: 0 0.75rem;
    }
    
    /* Better mobile interactions */
    button, .btn, a {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
        touch-action: manipulation;
    }
    
    /* Improved mobile spacing */
    .container {
        max-width: 100%;
        margin: 0 auto;
        padding: 0 0.75rem;
    }
}

/* ========================================
   BEAUTIFUL POETRY STYLING
   ======================================== */

.poem-verse {
    position: relative;
    text-align: center;
    padding: 0.2rem 2.5rem 2rem 2.5rem;
    margin: 2rem auto;
    max-width: 600px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--text-primary);
    transition: all 0.3s ease;
    white-space: pre-line;
}

.poem-verse:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Opening quote - positioned inside */
.poem-verse::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 25px;
    font-size: 3rem;
    font-family: 'Georgia', serif;
    color: var(--primary-color);
    opacity: 0.4;
    line-height: 1;
    z-index: 1;
}

/* Closing quote - positioned inside */
.poem-verse::after {
    content: '"';
    position: absolute;
    bottom: 15px;
    right: 25px;
    font-size: 3rem;
    font-family: 'Georgia', serif;
    color: var(--primary-color);
    opacity: 0.4;
    line-height: 1;
    z-index: 1;
}

/* Pen symbol at the end */
.poem-verse-end {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    font-size: 1.5rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.poem-verse:hover .poem-verse-end {
    opacity: 1;
    transform: scale(1.1);
}

/* Dark theme adjustments */
[data-theme="dark"] .poem-verse {
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.3) 0%, 
        rgba(0, 0, 0, 0.2) 100%);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .poem-verse:hover {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

/* Enhanced Mobile Responsive design for poems */
@media (max-width: 768px) {
    .poem-verse {
        padding: 1.5rem 1.5rem 1.5rem 1.5rem;
        margin: 1.5rem 1rem;
        font-size: 1rem;
        line-height: 1.7;
        border-radius: 15px;
        max-width: calc(100vw - 2rem);
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
    }
    
    .poem-verse::before,
    .poem-verse::after {
        font-size: 2.2rem;
        opacity: 0.3;
    }
    
    .poem-verse::before {
        top: 8px;
        left: 15px;
    }
    
    .poem-verse::after {
        bottom: 8px;
        right: 15px;
    }
    
    .poem-verse-end {
        font-size: 1.3rem;
        margin-top: 1rem;
    }
}

@media (max-width: 480px) {
    .poem-verse {
        padding: 1.25rem 1rem 1.25rem 1rem;
        margin: 1rem 0.75rem;
        font-size: 0.95rem;
        line-height: 1.6;
        border-radius: 12px;
        max-width: calc(100vw - 1.5rem);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    }
    
    .poem-verse::before,
    .poem-verse::after {
        font-size: 1.8rem;
        opacity: 0.25;
    }
    
    .poem-verse::before {
        top: 5px;
        left: 10px;
    }
    
    .poem-verse::after {
        bottom: 5px;
        right: 10px;
    }
    
    .poem-verse-end {
        font-size: 1.2rem;
        margin-top: 0.75rem;
    }
}

/* Mobile-specific improvements for overall layout */
@media (max-width: 768px) {
    /* Page container adjustments */
    .container {
        padding: 0 1rem;
        max-width: 100%;
    }
    
    /* Page title and subtitle */
    .page-title {
        font-size: 1.75rem;
        margin-bottom: 0.5rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    /* Content spacing */
    .content {
        padding: 1rem 0;
    }
    
    /* Footer adjustments */
    .site-footer {
        padding: 1.5rem 1rem;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    /* Ultra-mobile optimizations */
    .container {
        padding: 0 0.75rem;
    }
    
    .page-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .page-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.25rem;
    }
    
    .content {
        padding: 0.75rem 0;
    }
    
    /* Text readability improvements */
    body {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.3rem; }
    h3 { font-size: 1.1rem; }
    h4 { font-size: 1rem; }
    
    /* Touch target improvements */
    a, button, .btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Theme toggle button mobile */
    .theme-toggle {
        width: 40px;
        height: 40px;
    }
}