/* ================================
   Forum Home Styles - Modern Dark Theme
   Professional & Responsive Design
   Version: 3.0
   ================================ */

/* ================================
   CSS Custom Properties (Variables)
   ================================ */

:root {
    /* Colors now managed by central theme.css */

    /* Shadows - Enhanced for Dark Theme */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 16px -4px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px -4px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(67, 97, 238, 0.3);
    --shadow-glow-accent: 0 0 30px rgba(6, 214, 160, 0.4);

    /* Border Radius */
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Spacing Scale */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-mono: 'Fira Code', 'JetBrains Mono', Consolas, 'Courier New', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;   /* 12px */
    --text-sm: 0.875rem;  /* 14px */
    --text-base: 1rem;    /* 16px */
    --text-lg: 1.125rem;  /* 18px */
    --text-xl: 1.25rem;   /* 20px */
    --text-2xl: 1.5rem;   /* 24px */
    --text-3xl: 1.875rem; /* 30px */
    --text-4xl: 2.25rem;  /* 36px */
    --text-5xl: 3rem;     /* 48px */
    --text-6xl: 3.75rem;  /* 60px */

    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;
    --font-black: 900;

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Light Theme Override (for users who prefer light theme) */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: var(--z-text);
    --bg-tertiary: var(--z-text);
    --bg-quaternary: var(--z-text);
    --bg-card: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    --text-primary: var(--z-surface-1);
    --text-secondary: var(--z-surface-3);
    --text-muted: var(--z-text-muted);
    --text-light: var(--z-text-sec);
    --text-inverse: #ffffff;
    
    --border-color: var(--z-text);
    --border-light: var(--z-text);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 6px 16px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px -4px rgba(0, 0, 0, 0.1);
}

/* ================================
   Base Styles & Reset
   ================================ */

.forum-home-container {
    min-height: 100vh;
    font-family: var(--font-family-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    overflow-x: hidden;
}

.forum-home-container *,
.forum-home-container *::before,
.forum-home-container *::after {
    box-sizing: border-box;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 var(--space-8);
    }
}

/* ================================
   Scroll Progress Bar
   ================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: var(--z-fixed);
    transition: width 0.1s ease;
}

/* ================================
   Skip Navigation (Accessibility)
   ================================ */

.skip-navigation {
    position: absolute;
    top: -100px;
    left: 0;
    z-index: var(--z-modal);
}

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--space-4);
    background: var(--primary-color);
    color: white;
    padding: var(--space-2) var(--space-4);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-medium);
    transition: top var(--transition-normal);
}

.skip-link:focus {
    top: var(--space-4);
}

/* ================================
   Hero Header Section
   ================================ */

.hero-header {
    position: relative;
    padding: var(--space-20) 0 var(--space-16) 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    color: white;
}

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

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        var(--z-accent-glow) 0%, 
        rgba(114, 9, 183, 0.8) 50%, 
        rgba(6, 214, 160, 0.7) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: patternMove 20s ease-in-out infinite;
}

@keyframes patternMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, 10px); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-icon {
    position: absolute;
    color: rgba(255, 255, 255, 0.2);
    font-size: var(--text-4xl);
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) {
    top: 20%;
    left: 10%;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: 15%;
}

.floating-icon:nth-child(3) {
    bottom: 30%;
    left: 70%;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-main {
    margin-bottom: var(--space-12);
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.title-icon {
    font-size: var(--text-5xl);
    opacity: 0.9;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.title-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.title-main {
    font-size: var(--text-5xl);
    font-weight: var(--font-black);
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, var(--z-text));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-description {
    font-size: var(--text-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-8) auto;
    line-height: var(--leading-relaxed);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
}

.feature-item i {
    font-size: var(--text-lg);
    opacity: 0.8;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: var(--font-semibold);
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--text-base);
    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 ease;
}

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

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-lg {
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-lg);
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(255, 255, 255, 0); }
}

/* ================================
   Stats Section
   ================================ */

.stats-section {
    padding: var(--space-16) 0;
    background: var(--bg-secondary);
    position: relative;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

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

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

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

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    flex-shrink: 0;
    position: relative;
}

.stat-icon.threads {
    background: linear-gradient(135deg, var(--primary-color), var(--z-accent-glow));
    color: white;
}

.stat-icon.posts {
    background: linear-gradient(135deg, var(--accent-color), rgba(6, 214, 160, 0.3));
    color: white;
}

.stat-icon.users {
    background: linear-gradient(135deg, var(--secondary-color), rgba(114, 9, 183, 0.3));
    color: white;
}

.stat-icon.online {
    background: linear-gradient(135deg, var(--info-color), var(--z-accent-glow));
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: var(--font-black);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-1);
    background: linear-gradient(45deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-2);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--accent-color);
    font-weight: var(--font-medium);
}

.online-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: var(--radius-full);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(6, 214, 160, 0.7);
    }
    50% { 
        transform: scale(1.2);
        box-shadow: 0 0 0 8px rgba(6, 214, 160, 0);
    }
}

/* ================================
   Main Content
   ================================ */

.main-content {
    background: var(--bg-primary);
}

/* ================================
   Section Headers
   ================================ */

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

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    position: relative;
}

.section-title::before,
.section-title::after {
    content: '';
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    max-width: 100px;
}

.title-icon {
    color: var(--primary-color);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--leading-relaxed);
}

/* ================================
   Categories Section
   ================================ */

.categories-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-6);
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.category-icon-wrapper {
    position: relative;
    flex-shrink: 0;
}

.category-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    color: white;
    background: linear-gradient(135deg, var(--category-color, var(--primary-color)), var(--z-accent-glow));
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.private-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 20px;
    height: 20px;
    background: var(--warning-color);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    border: 2px solid var(--bg-card);
}

.category-info {
    flex: 1;
    min-width: 0;
}

.category-name {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    line-height: var(--leading-tight);
}

.category-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    position: relative;
}

.category-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.category-link:hover {
    color: var(--primary-color);
}

.category-link:hover::after {
    width: 100%;
}

.category-description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    margin: 0;
    line-height: var(--leading-relaxed);
}

.category-arrow {
    color: var(--text-muted);
    font-size: var(--text-lg);
    transition: var(--transition-fast);
    opacity: 0;
}

.category-card:hover .category-arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--primary-color);
}

.card-stats {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.stat-item i {
    opacity: 0.7;
    font-size: var(--text-base);
}

.stat-value {
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.stat-text {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.subcategories-preview {
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.subcategory-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.subcategory-label {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.toggle-subcategories {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.toggle-subcategories:hover {
    background: var(--bg-primary);
    color: var(--primary-color);
}

.subcategories-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.subcategory-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.subcategory-item:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.more-subcategories {
    padding: var(--space-1) var(--space-2);
    background: var(--bg-primary);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    border: 1px dashed var(--border-color);
}

.latest-activity {
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-light);
}

.activity-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.activity-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.activity-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: var(--transition-fast);
    line-height: var(--leading-snug);
}

.activity-link:hover {
    color: var(--primary-color);
}

.activity-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
    display: flex;
    gap: var(--space-3);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-20);
    color: var(--text-muted);
}

.empty-icon {
    font-size: var(--text-6xl);
    opacity: 0.3;
    margin-bottom: var(--space-4);
}

/* ================================
   Activity Section
   ================================ */

.activity-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
}

.activity-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
}

.activity-panel:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.panel-header {
    padding: var(--space-6);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.panel-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.activity-panel:hover .panel-header::before {
    transform: translateX(100%);
}

.trending .panel-header {
    background: linear-gradient(135deg, var(--accent-color), var(--info-color));
}

.panel-title {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.trending-icon {
    animation: fireFlicker 1.5s ease-in-out infinite;
}

@keyframes fireFlicker {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.view-all-btn {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: var(--text-sm);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: var(--transition-fast);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.view-all-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(2px);
}

.panel-content {
    padding: var(--space-4);
    max-height: 500px;
    overflow-y: auto;
}

.thread-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    margin-bottom: var(--space-2);
    border: 1px solid transparent;
}

.thread-item:last-child {
    margin-bottom: 0;
}

.thread-item:hover {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    transform: translateX(4px);
}

.trending-item {
    position: relative;
}

.trending-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(135deg, var(--accent-color), var(--warning-color));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.thread-type-badge {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
    position: relative;
}

.thread-type-badge.question {
    background: var(--z-accent-glow);
    color: var(--primary-color);
    border: 2px solid var(--z-accent-glow);
}

.thread-type-badge.tutorial {
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent-color);
    border: 2px solid rgba(6, 214, 160, 0.3);
}

.thread-type-badge.showcase {
    background: rgba(247, 127, 0, 0.1);
    color: var(--warning-color);
    border: 2px solid rgba(247, 127, 0, 0.3);
}

.thread-type-badge.announcement {
    background: var(--z-danger-bg);
    color: var(--danger-color);
    border: 2px solid var(--z-danger);
}

.thread-type-badge.discussion {
    background: rgba(114, 9, 183, 0.1);
    color: var(--secondary-color);
    border: 2px solid rgba(114, 9, 183, 0.3);
}

.trending-rank {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    flex-shrink: 0;
    width: 40px;
}

.rank-number {
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--accent-color);
    background: rgba(6, 214, 160, 0.1);
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(6, 214, 160, 0.3);
}

.trending-indicator {
    color: var(--warning-color);
    font-size: var(--text-sm);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.thread-content {
    flex: 1;
    min-width: 0;
}

.thread-title {
    margin: 0 0 var(--space-1) 0;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: var(--leading-snug);
}

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

.thread-title a:hover {
    color: var(--primary-color);
}

.thread-meta {
    display: flex;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-muted);
    flex-wrap: wrap;
    align-items: center;
}

.thread-meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.solved-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent-color);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border: 1px solid rgba(6, 214, 160, 0.3);
    margin-top: var(--space-1);
}

.thread-stats {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.stat-badge.replies {
    color: var(--primary-color);
    background: var(--z-accent-glow);
    border-color: var(--z-accent);
}

.stat-badge.views {
    color: var(--info-color);
    background: var(--z-accent-glow);
    border-color: var(--z-accent);
}

.trending-stats {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-1);
    font-size: var(--text-xs);
}

.views-count,
.engagement {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--text-muted);
}

.engagement {
    color: var(--warning-color);
    font-weight: var(--font-medium);
}

.empty-panel {
    text-align: center;
    padding: var(--space-12);
    color: var(--text-muted);
}

.empty-panel i {
    font-size: var(--text-4xl);
    opacity: 0.3;
    margin-bottom: var(--space-4);
}

/* ================================
   Users Section
   ================================ */

.users-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.users-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition-smooth);
}

.users-panel:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.users-panel .panel-header {
    background: linear-gradient(135deg, var(--accent-color), var(--info-color));
}

.online-indicator-text {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.9);
}

.users-carousel {
    position: relative;
    padding: var(--space-6);
}

.carousel-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    max-height: 400px;
    overflow-y: auto;
}

.user-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.user-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.user-avatar {
    position: relative;
    width: 50px;
    height: 50px;
    flex-shrink: 0;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: var(--text-lg);
    border: 2px solid var(--border-color);
}

.online-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-card);
    background: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.status-dot {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--accent-color);
    animation: statusPulse 2s ease-in-out infinite;
}

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

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-1);
    transition: var(--transition-fast);
    line-height: var(--leading-tight);
}

.user-name:hover {
    color: var(--primary-color);
}

.user-role {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-1);
}

.user-role i {
    font-size: var(--text-sm);
}

.last-seen {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.carousel-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.empty-users {
    text-align: center;
    padding: var(--space-12);
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.empty-users i {
    font-size: var(--text-4xl);
    opacity: 0.3;
    margin-bottom: var(--space-4);
}

/* ================================
   Quick Actions Section
   ================================ */

.quick-actions-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    text-align: left;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.action-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.action-card:hover::before {
    transform: scaleX(1);
}

.action-card.primary {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, var(--bg-card), var(--z-accent-glow));
}

.action-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-2xl);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.action-card:hover .action-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
}

.action-content {
    flex: 1;
    min-width: 0;
}

.action-content h4 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.action-content p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

.action-arrow {
    color: var(--text-muted);
    font-size: var(--text-lg);
    transition: var(--transition-fast);
    opacity: 0;
}

.action-card:hover .action-arrow {
    opacity: 1;
    transform: translateX(4px);
    color: var(--primary-color);
}

/* ================================
   Guidelines Section
   ================================ */

.guidelines-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.guidelines-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
    transition: var(--transition-smooth);
}

.guidelines-panel:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.guidelines-panel .panel-header {
    background: linear-gradient(135deg, var(--info-color), var(--primary-color));
    justify-content: center;
    text-align: center;
}

.guidelines-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.guidelines-grid {
    padding: var(--space-8);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
}

.guideline-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

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

.guideline-item.positive {
    border-left: 4px solid var(--accent-color);
}

.guideline-item.warning {
    border-left: 4px solid var(--warning-color);
}

.guideline-item.info {
    border-left: 4px solid var(--info-color);
}

.guideline-item.success {
    border-left: 4px solid var(--primary-color);
}

.guideline-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.positive .guideline-icon {
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent-color);
}

.warning .guideline-icon {
    background: rgba(247, 127, 0, 0.1);
    color: var(--warning-color);
}

.info .guideline-icon {
    background: var(--z-accent-glow);
    color: var(--info-color);
}

.success .guideline-icon {
    background: var(--z-accent-glow);
    color: var(--primary-color);
}

.guideline-content h4 {
    margin: 0 0 var(--space-2) 0;
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.guideline-content p {
    margin: 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

.guidelines-footer {
    padding: var(--space-6);
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}

.read-more-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(--radius-md);
    font-weight: var(--font-medium);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow);
}

.read-more-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* ================================
   Floating Action Button (Mobile)
   ================================ */

.fab-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-fixed);
}

.fab {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: var(--text-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.fab:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-glow);
    color: white;
}

.fab:active {
    transform: scale(0.95);
}

/* ================================
   Back to Top Button
   ================================ */

.back-to-top {
    position: fixed;
    bottom: var(--space-6);
    left: var(--space-6);
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow);
}

.back-to-top:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    display: flex;
}

/* ================================
   Toast Notifications
   ================================ */

.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    max-width: 400px;
    width: 100%;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--space-3);
    opacity: 0;
    transform: translateX(100%);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.toast.show {
    opacity: 1;
    transform: translateX(0);
}

.toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.toast-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    margin: 0;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.toast-body {
    padding: var(--space-3) var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Toast Types */
.toast-success {
    border-left: 4px solid var(--accent-color);
}

.toast-error {
    border-left: 4px solid var(--danger-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

.toast-success .toast-title {
    color: var(--accent-color);
}

.toast-error .toast-title {
    color: var(--danger-color);
}

.toast-warning .toast-title {
    color: var(--warning-color);
}

.toast-info .toast-title {
    color: var(--info-color);
}

/* ================================
   Advanced Animation Classes
   ================================ */

.animated-element {
    animation-play-state: running;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-out {
    animation: fadeOut 0.6s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

.slide-in-down {
    animation: slideInDown 0.6s ease-out;
}

.zoom-in {
    animation: zoomIn 0.6s ease-out;
}

.zoom-out {
    animation: zoomOut 0.6s ease-out;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

.shake {
    animation: shake 0.8s ease-in-out;
}

.pulse-slow {
    animation: pulseSlow 3s ease-in-out infinite;
}

.rotate-360 {
    animation: rotate360 1s ease-in-out;
}

/* Animation Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

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

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    70% {
        transform: scale(0.9);
        opacity: 0.9;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

@keyframes pulseSlow {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes rotate360 {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ================================
   Loading States
   ================================ */

.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top: 3px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-right: var(--space-3);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-dots {
    display: inline-flex;
    gap: var(--space-1);
    align-items: center;
}

.loading-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    animation: loadingDots 1.4s ease-in-out infinite;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }
.loading-dot:nth-child(3) { animation-delay: 0s; }

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.skeleton-loader {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 25%,
        var(--bg-tertiary) 50%,
        var(--bg-secondary) 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeletonLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ================================
   Form Enhancements
   ================================ */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--text-base);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--z-accent-glow);
    background: var(--bg-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--bg-tertiary);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a0aec0' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-2) center;
    background-repeat: no-repeat;
    background-size: 1.5rem 1.5rem;
    padding-right: var(--space-10);
    appearance: none;
}

.form-checkbox,
.form-radio {
    width: 1.125rem;
    height: 1.125rem;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    transition: var(--transition-fast);
}

.form-checkbox {
    border-radius: var(--radius-xs);
}

.form-radio {
    border-radius: var(--radius-full);
}

.form-checkbox:checked,
.form-radio:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.form-help-text {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--space-1);
    line-height: var(--leading-relaxed);
}

.form-error {
    color: var(--danger-color);
    font-size: var(--text-xs);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.form-error i {
    font-size: var(--text-sm);
}

/* ================================
   Badge and Tag Components
   ================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}

.badge-primary {
    background: var(--z-accent-glow);
    color: var(--primary-color);
    border-color: var(--z-accent);
}

.badge-secondary {
    background: rgba(114, 9, 183, 0.1);
    color: var(--secondary-color);
    border-color: rgba(114, 9, 183, 0.2);
}

.badge-success {
    background: rgba(6, 214, 160, 0.1);
    color: var(--accent-color);
    border-color: rgba(6, 214, 160, 0.2);
}

.badge-warning {
    background: rgba(247, 127, 0, 0.1);
    color: var(--warning-color);
    border-color: rgba(247, 127, 0, 0.2);
}

.badge-danger {
    background: var(--z-danger-bg);
    color: var(--danger-color);
    border-color: var(--z-danger);
}

.badge-info {
    background: var(--z-accent-glow);
    color: var(--info-color);
    border-color: var(--z-accent);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    text-decoration: none;
    transition: var(--transition-fast);
    border: 1px solid var(--border-light);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.tag-removable {
    padding-right: var(--space-1);
}

.tag-remove {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    transition: var(--transition-fast);
    margin-left: var(--space-1);
}

.tag-remove:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* ================================
   Progress Indicators
   ================================ */

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-circular {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: conic-gradient(
        var(--primary-color) 0deg,
        var(--primary-color) calc(var(--progress, 0) * 3.6deg),
        var(--bg-tertiary) calc(var(--progress, 0) * 3.6deg),
        var(--bg-tertiary) 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.progress-circular::before {
    content: '';
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    position: absolute;
}

.progress-text {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    z-index: 1;
}

/* ================================
   Utility Classes
   ================================ */

/* Visibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.invisible {
    visibility: hidden;
}

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-uppercase { text-transform: uppercase; }
.text-lowercase { text-transform: lowercase; }
.text-capitalize { text-transform: capitalize; }

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-wrap { white-space: normal; }
.text-nowrap { white-space: nowrap; }

/* Font Weights */
.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }
.font-black { font-weight: var(--font-black); }

/* Colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-light { color: var(--text-light); }

.text-success { color: var(--accent-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-info { color: var(--info-color); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }
.bg-card { background-color: var(--bg-card); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

/* Flexbox Utilities */
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }
.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

.flex-1 { flex: 1; }
.flex-auto { flex: auto; }
.flex-none { flex: none; }

/* Border Utilities */
.border { border: 1px solid var(--border-color); }
.border-0 { border: 0; }
.border-top { border-top: 1px solid var(--border-color); }
.border-bottom { border-bottom: 1px solid var(--border-color); }
.border-left { border-left: 1px solid var(--border-color); }
.border-right { border-right: 1px solid var(--border-color); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.rounded-none { border-radius: 0; }

/* Shadow Utilities */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Position Utilities */
.position-static { position: static; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* ================================
   Responsive Design
   ================================ */

/* Mobile First Breakpoints */
@media (max-width: 575.98px) {
    /* Extra Small devices (phones) */
    .container {
        padding: 0 var(--space-3);
    }
    
    .hero-header {
        padding: var(--space-12) 0 var(--space-10) 0;
    }
    
    .title-main {
        font-size: var(--text-3xl);
    }
    
    .title-sub {
        font-size: var(--text-lg);
    }
    
    .hero-features {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-lg {
        padding: var(--space-4) var(--space-6);
        font-size: var(--text-base);
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .activity-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .guidelines-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .section-title {
        font-size: var(--text-2xl);
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .section-title::before,
    .section-title::after {
        display: none;
    }
    
    .fab-container {
        bottom: var(--space-4);
        right: var(--space-4);
    }
    
    .back-to-top {
        bottom: var(--space-4);
        left: var(--space-4);
        width: 45px;
        height: 45px;
    }
    
    .toast-container {
        top: var(--space-4);
        right: var(--space-4);
        left: var(--space-4);
        max-width: none;
    }
    
    .card-stats {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .thread-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
    
    .thread-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-1);
    }
    
    .carousel-track {
        grid-template-columns: 1fr;
    }
    
    .user-card {
        padding: var(--space-3);
    }
    
    .action-card {
        flex-direction: column;
        text-align: center;
        gap: var(--space-3);
    }
    
    .action-arrow {
        display: none;
    }
    
    .panel-header {
        padding: var(--space-4);
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .guidelines-panel .panel-header {
        flex-direction: column;
        gap: var(--space-3);
    }
}

@media (min-width: 576px) and (max-width: 767.98px) {
    /* Small devices (landscape phones, tablets) */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guidelines-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 991.98px) {
    /* Medium devices (tablets) */
    .hero-actions {
        gap: var(--space-6);
    }
    
    .activity-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .carousel-track {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    /* Large devices (desktops) */
    .carousel-track {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    /* Extra large devices (large desktops) */
    .container {
        max-width: 1400px;
    }
    
    .carousel-track {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    }
}

/* ================================
   Print Styles
   ================================ */

@media print {
    .forum-home-container {
        background: white !important;
        color: black !important;
    }
    
    .hero-header,
    .fab-container,
    .back-to-top,
    .toast-container,
    .floating-elements,
    .scroll-progress {
        display: none !important;
    }
    
    .section-title {
        color: black !important;
        font-size: 1.5rem !important;
    }
    
    .category-card,
    .activity-panel,
    .action-card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        background: white !important;
        break-inside: avoid;
    }
    
    .btn {
        display: none !important;
    }
    
    .link {
        color: #0066cc !important;
        text-decoration: underline !important;
    }
}

/* ================================
   Accessibility Enhancements
   ================================ */

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #ffffff;
        --text-primary: #ffffff;
        --text-secondary: #e0e0e0;
        --bg-primary: #000000;
        --bg-secondary: #1a1a1a;
        --bg-card: #2a2a2a;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-icon,
    .pulse-animation,
    .trending-icon,
    .status-dot {
        animation: none !important;
    }
}

/* Focus Visible */
@supports selector(:focus-visible) {
    *:focus {
        outline: none;
    }
    
    *:focus-visible {
        outline: 2px solid var(--primary-color);
        outline-offset: 2px;
    }
}

/* Dark Mode Media Query Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0f1419;
        --bg-secondary: #1a202c;
        --bg-tertiary: #2d3748;
        --bg-card: #1a202c;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --border-color: #4a5568;
    }
}

/* ================================
   Browser Specific Fixes
   ================================ */

/* Firefox */
@-moz-document url-prefix() {
    .form-select {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a0aec0' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    }
}

/* Safari */
@supports (-webkit-touch-callout: none) {
    .btn {
        -webkit-touch-callout: none;
        -webkit-user-select: none;
    }
    
    .scroll-progress {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

/* Internet Explorer 11 */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .stats-grid,
    .categories-grid,
    .activity-grid,
    .actions-grid,
    .guidelines-grid {
        display: -ms-flexbox;
        -ms-flex-wrap: wrap;
    }
    
    .stat-card,
    .category-card,
    .activity-panel,
    .action-card {
        -ms-flex: 1 1 300px;
        flex: 1 1 300px;
    }
}

/* ================================
   Performance Optimizations
   ================================ */

/* GPU Acceleration for smooth animations */
.category-card,
.action-card,
.activity-panel,
.btn,
.fab {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Optimize font rendering */
.forum-home-container {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Optimize image rendering */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* ================================
   End of CSS
   ================================ */

/* CSS Custom Properties for Dynamic Theming */
.forum-home-container[data-theme="auto"] {
    color-scheme: light dark;
}

/* Finalization */
.forum-home-container * {
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--bg-secondary);
}

.forum-home-container *::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.forum-home-container *::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.forum-home-container *::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-secondary);
}

.forum-home-container *::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}