/* ============================================
   BitcoinENews - Professional Crypto News Platform
   Color Scheme: Deep Blues, Gold Accents, Tech Gradients
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* CSS Variables for Theming */
:root {
    /* Typography - Font Families */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;

    /* Typography - 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: 2rem;        /* 32px */
    --text-4xl: 2.5rem;      /* 40px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 4rem;        /* 64px */

    /* Typography - Line Heights */
    --leading-none: 1;
    --leading-tight: 1.2;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;

    /* Typography - Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Spacing Scale */
    --space-xs: 0.25rem;     /* 4px */
    --space-sm: 0.5rem;      /* 8px */
    --space-md: 1rem;        /* 16px */
    --space-lg: 1.5rem;      /* 24px */
    --space-xl: 2rem;        /* 32px */
    --space-2xl: 3rem;       /* 48px */
    --space-3xl: 4rem;       /* 64px */
    --space-4xl: 6rem;       /* 96px */

    /* Dark Mode Colors (Default) */
    --bg-primary: #0A0E1A;
    --bg-secondary: #151B2B;
    --bg-tertiary: #1F2937;
    --bg-card: #1A2332;
    --bg-hover: #242F42;

    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-tertiary: #9CA3AF;

    /* Primary Brand Colors - Bitcoin Orange */
    --primary-orange: #F7931A;
    --primary-orange-light: #FF6B35;
    --primary-orange-dark: #E07B00;

    /* Crypto Category Colors */
    --crypto-bitcoin: #F7931A;
    --crypto-ethereum: #627EEA;
    --crypto-defi: #00D4AA;
    --crypto-nft: #9D4EDD;
    --crypto-regulation: #6366F1;
    --crypto-altcoin: #8B5CF6;

    /* Semantic Colors - Enhanced for Crypto Context */
    --success-green: #10B981;
    --success-green-light: #34D399;
    --success-green-bg: rgba(16, 185, 129, 0.1);

    --danger-red: #EF4444;
    --danger-red-light: #F87171;
    --danger-red-bg: rgba(239, 68, 68, 0.1);

    --warning-yellow: #F59E0B;
    --warning-yellow-light: #FBBF24;
    --warning-yellow-bg: rgba(245, 158, 11, 0.1);

    --info-blue: #3B82F6;
    --info-blue-light: #60A5FA;
    --info-blue-bg: rgba(59, 130, 246, 0.1);

    /* UI Element Colors */
    --border-color: #2A3441;
    --border-color-hover: #374151;
    --border-color-focus: #F7931A;

    /* Shadows - Refined */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.7);
    --shadow-glow-orange: 0 0 20px rgba(247, 147, 26, 0.3);

    /* Gradients - Modern Bitcoin Orange Theme */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #F7931A 100%);
    --gradient-secondary: linear-gradient(135deg, #627EEA 0%, #4B5ECC 100%);
    --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --gradient-hero: linear-gradient(135deg, rgba(247, 147, 26, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);

    --transition-speed: 0.3s;
    --border-radius: 12px;
    --border-radius-sm: 8px;
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #F9FAFB;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F3F4F6;
    --bg-card: #FFFFFF;
    --bg-hover: #F5F5F5;

    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #6B7280;

    --border-color: #E5E7EB;
    --border-color-hover: #D1D5DB;
    --border-color-focus: #F7931A;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-glow-orange: 0 0 20px rgba(247, 147, 26, 0.2);

    /* Semantic color backgrounds adjusted for light mode */
    --success-green-bg: rgba(16, 185, 129, 0.15);
    --danger-red-bg: rgba(239, 68, 68, 0.15);
    --warning-yellow-bg: rgba(245, 158, 11, 0.15);
    --info-blue-bg: rgba(59, 130, 246, 0.15);
}

/* ============================================
   Base Styles & Typography
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

/* Reduce motion for users who prefer it */
@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;
    }
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    font-size: var(--text-base);
    font-weight: var(--font-normal);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

h1 {
    font-size: var(--text-5xl);
    font-weight: var(--font-extrabold);
}

h2 {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
}

h3 {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
}

h4 {
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
}

h5 {
    font-size: var(--text-lg);
    font-weight: var(--font-medium);
}

h6 {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   Header & Navigation
   ============================================ */

.main-header {
    background-color: rgba(21, 27, 43, 0.95);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-md);
    transition: all 0.2s ease;
}

.main-header.scrolled {
    background-color: rgba(21, 27, 43, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    cursor: pointer;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.logo-ai {
    font-family: var(--font-heading);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: var(--font-medium);
    transition: all 0.2s ease;
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-orange);
    background: rgba(247, 147, 26, 0.1);
}

.nav-menu a.active {
    color: var(--primary-orange);
    font-weight: var(--font-semibold);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    font-size: var(--text-xl);
    transition: all 0.2s ease;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--primary-orange);
    transform: rotate(15deg);
}

.theme-toggle:active {
    transform: rotate(0deg) scale(0.95);
}

/* ============================================
   Crypto Ticker
   ============================================ */

.crypto-ticker {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    padding: var(--space-md) 0;
}

.ticker-wrapper {
    overflow: hidden;
}

.ticker-content {
    display: flex;
    gap: 3rem;
    animation: ticker-scroll 30s linear infinite;
    white-space: nowrap;
}

@keyframes ticker-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    transition: background 0.2s ease;
}

.ticker-item:hover {
    background: rgba(247, 147, 26, 0.1);
}

.ticker-symbol {
    font-weight: var(--font-bold);
    color: var(--text-primary);
    font-family: var(--font-heading);
}

.ticker-price {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-weight: var(--font-semibold);
}

.ticker-change {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-weight: var(--font-semibold);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-size: var(--text-sm);
}

.ticker-change.positive {
    color: var(--success-green-light);
    background: var(--success-green-bg);
}

.ticker-change.negative {
    color: var(--danger-red-light);
    background: var(--danger-red-bg);
}

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

.hero-section {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.particle-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 4rem 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--text-6xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-lg);
    line-height: var(--leading-tight);
}

.hero-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 4rem;
    justify-content: center;
}

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

.stat-number {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* ============================================
   Buttons
   ============================================ */

.btn-primary, .btn-secondary, .btn-primary-small, .btn-load-more {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-weight: var(--font-bold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-orange), var(--shadow-md);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-orange);
}

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

.btn-secondary:active {
    transform: translateY(0);
}

.btn-primary-small {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    background: var(--gradient-primary);
    color: #FFFFFF;
    font-weight: var(--font-semibold);
}

.btn-load-more {
    margin: 3rem auto;
    display: block;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-load-more:hover {
    background: var(--bg-hover);
    border-color: var(--primary-orange);
}

/* ============================================
   Featured Section
   ============================================ */

.featured-section, .market-overview, .articles-feed, .newsletter-section {
    padding: 4rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-xl);
    line-height: var(--leading-tight);
}

.featured-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.featured-large {
    grid-row: span 3;
}

.featured-large, .featured-small {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.featured-large:hover, .featured-small:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-color-hover);
}

.article-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-image {
    position: relative;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-speed);
}

.article-link:hover .article-image img {
    transform: scale(1.05);
}

.article-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    backdrop-filter: blur(8px);
}

.badge-hot {
    background: var(--accent-red);
    color: white;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.article-category {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: rgba(59, 130, 246, 0.9);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: 20px;
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
}

.article-category:hover {
    background: rgba(59, 130, 246, 1);
    transform: scale(1.05);
}

/* Category-specific colors */
.article-category[data-category="bitcoin"] {
    background: rgba(247, 147, 26, 0.9);
}

.article-category[data-category="ethereum"] {
    background: rgba(98, 126, 234, 0.9);
}

.article-category[data-category="defi"] {
    background: rgba(0, 212, 170, 0.9);
}

.article-category[data-category="nft"] {
    background: rgba(157, 76, 221, 0.9);
}

.article-category[data-category="regulation"] {
    background: rgba(99, 102, 241, 0.9);
}

.article-content {
    padding: 1.5rem;
}

.article-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
    line-height: var(--leading-snug);
}

.article-title-small {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-sm);
    line-height: var(--leading-snug);
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.meta-author {
    font-weight: 600;
    color: var(--text-secondary);
}

.meta-dot {
    color: var(--text-tertiary);
}

/* ============================================
   Market Overview
   ============================================ */

.market-overview {
    background: var(--bg-secondary);
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.market-card {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

.market-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.market-coin {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.market-symbol {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    font-size: var(--text-xl);
    color: var(--text-primary);
}

.market-name {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.market-price {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: var(--leading-none);
}

.market-change {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    padding: var(--space-xs) var(--space-md);
    border-radius: 6px;
    display: inline-block;
}

.market-change.positive {
    color: var(--success-green-light);
    background: var(--success-green-bg);
}

.market-change.negative {
    color: var(--danger-red-light);
    background: var(--danger-red-bg);
}

.market-chart {
    height: 60px;
    margin-top: 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: flex-end;
    padding: 0.5rem;
    gap: 2px;
}

.chart-bar {
    flex: 1;
    background: var(--gradient-primary);
    border-radius: 2px;
    min-height: 10%;
}

/* ============================================
   Articles Feed
   ============================================ */

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.feed-filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 24px;
    cursor: pointer;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all 0.2s ease;
    min-height: 44px;
}

.filter-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary-orange);
    color: var(--primary-orange);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: #FFFFFF;
    border-color: var(--primary-orange);
    font-weight: var(--font-semibold);
    box-shadow: var(--shadow-glow-orange);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

/* ============================================
   Newsletter Section
   ============================================ */

.newsletter-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.newsletter-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
    line-height: var(--leading-tight);
}

.newsletter-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.newsletter-features {
    list-style: none;
    margin-top: 1rem;
}

.newsletter-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.newsletter-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.newsletter-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-family: inherit;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--border-color-focus);
    box-shadow: 0 0 0 3px rgba(247, 147, 26, 0.1);
}

.newsletter-form .btn-primary {
    width: 100%;
}

.newsletter-privacy {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: 1rem;
}

/* Newsletter Message Feedback */
.newsletter-message {
    margin-top: 1rem;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    animation: slideDown 0.3s ease-out;
}

.newsletter-message.success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.newsletter-message.error {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Spinner */
.btn-spinner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Newsletter Button States */
.newsletter-form button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* ============================================
   Footer
   ============================================ */

.main-footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
}

.footer-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.2rem;
    transition: all var(--transition-speed);
}

.social-link:hover {
    background: var(--primary-orange);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-md);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.footer-links a:hover {
    color: var(--primary-orange);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-disclaimer {
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

/* ============================================
   Article Page Styles
   ============================================ */

.article-page {
    background: var(--bg-primary);
    padding: 2rem 0;
}

.article-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
}

.article-main {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--space-3xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.article-breadcrumb {
    display: flex;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.article-breadcrumb a {
    color: var(--primary-orange);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.article-breadcrumb a:hover {
    color: var(--primary-orange-light);
}

.article-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.article-main-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-xl);
}

.article-metadata {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.author-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    color: #FFFFFF;
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
}

.author-title {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.article-stats {
    display: flex;
    gap: 1.5rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.stat-icon {
    font-size: 1.1rem;
}

.article-featured-image {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    padding: 1rem;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-size: 0.9rem;
    font-style: italic;
}

.article-share-sticky {
    position: fixed;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 100;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.share-btn:hover {
    background: var(--primary-orange);
    color: #FFFFFF;
    transform: scale(1.1);
}

.article-body {
    font-family: var(--font-body);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

.article-body p {
    margin-bottom: var(--space-lg);
}

.lead-paragraph {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    line-height: var(--leading-normal);
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin: var(--space-2xl) 0 var(--space-md);
    line-height: var(--leading-tight);
}

.article-quote {
    background: var(--bg-tertiary);
    border-left: 4px solid var(--primary-orange);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
    font-size: var(--text-xl);
    font-style: italic;
    border-radius: var(--border-radius-sm);
}

.article-quote cite {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-style: normal;
}

.info-box {
    background: var(--info-blue-bg);
    border: 1px solid var(--info-blue);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    margin: var(--space-xl) 0;
}

.info-box-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.info-box ul {
    list-style: none;
}

.info-box li {
    padding: 0.5rem 0;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.tag {
    background: var(--bg-tertiary);
    color: var(--primary-orange);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    transition: all var(--transition-speed);
}

.tag:hover {
    background: var(--primary-orange);
    color: #FFFFFF;
}

.article-footer {
    margin-top: 3rem;
}

.article-divider {
    height: 1px;
    background: var(--border-color);
    margin: 3rem 0;
}

.article-author-bio {
    display: flex;
    gap: 1.5rem;
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--border-radius);
}

.author-bio-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--text-2xl);
    color: #FFFFFF;
    flex-shrink: 0;
}

.author-bio-content h3 {
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
}

.article-share-bottom {
    margin-top: 3rem;
}

.article-share-bottom h3 {
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-btn-large {
    padding: 0.8rem 1.5rem;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 200px;
    justify-content: center;
}

.share-btn-large .share-icon {
    width: 18px;
    height: 18px;
}

/* Platform-specific button colors */
.share-btn-large.facebook {
    background: #1877F2;
    color: white;
}

.share-btn-large.facebook:hover {
    background: #0d65d9;
    transform: translateY(-2px);
}

.share-btn-large.twitter {
    background: #1DA1F2;
    color: white;
}

.share-btn-large.twitter:hover {
    background: #0c8bd9;
    transform: translateY(-2px);
}

.share-btn-large.linkedin {
    background: #0077B5;
    color: white;
}

.share-btn-large.linkedin:hover {
    background: #005f8d;
    transform: translateY(-2px);
}

.share-btn-large.telegram {
    background: #0088CC;
    color: white;
}

.share-btn-large.telegram:hover {
    background: #006ba3;
    transform: translateY(-2px);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }

    .share-btn-large {
        min-width: 100%;
        min-height: 48px;
    }
}

/* Sidebar */
.article-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
}

.sidebar-section {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.sidebar-section:hover {
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-md);
}

.sidebar-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-lg);
}

.related-article {
    margin-bottom: 1.5rem;
}

.related-article:last-child {
    margin-bottom: 0;
}

.related-article a {
    display: flex;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    transition: opacity var(--transition-speed);
}

.related-article a:hover {
    opacity: 0.8;
}

.related-article img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--border-radius-sm);
    flex-shrink: 0;
}

.related-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.related-time {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.related-loading {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    animation: fadeInOut 2s ease-in-out infinite;
}

.sidebar-newsletter {
    background: var(--gradient-hero);
    border: 1px solid var(--primary-orange);
}

.sidebar-newsletter p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.sidebar-newsletter-form input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-family: inherit;
}

.sidebar-newsletter-form button {
    width: 100%;
    padding: 0.8rem;
}

.trending-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.trending-tag {
    background: var(--bg-tertiary);
    color: var(--primary-orange);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-decoration: none;
    transition: all var(--transition-speed);
}

.trending-tag:hover {
    background: var(--primary-orange);
    color: #FFFFFF;
}

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

@media (max-width: 1200px) {
    .article-share-sticky {
        display: none;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: var(--text-5xl);
    }

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

    .featured-large {
        grid-row: span 1;
    }

    .newsletter-content {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .article-container {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-subtitle {
        font-size: var(--text-lg);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        gap: 2rem;
    }

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

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

    .article-main {
        padding: 1.5rem;
    }

    .article-main-title {
        font-size: var(--text-3xl);
    }

    .article-metadata {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--space-md);
    }

    .logo-text {
        font-size: var(--text-xl);
    }

    .hero-title {
        font-size: var(--text-2xl);
    }

    .stat-number {
        font-size: var(--text-3xl);
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .feed-filters {
        width: 100%;
    }

    .filter-btn {
        flex: 1;
        text-align: center;
    }
}

/* ============================================
   Animations & Transitions
   ============================================ */

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Slide in from left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

/* Slide in from right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

/* Scale up animation */
@keyframes scaleUp {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.scale-up {
    animation: scaleUp 0.3s ease-out;
}

/* Skeleton loader pulse */
@keyframes skeletonPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.skeleton {
    animation: skeletonPulse 1.5s ease-in-out infinite;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
}

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

/* Bounce animation for badges */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.bounce-in {
    animation: bounceIn 0.5s ease-out;
}

/* Page load animations */
.article-card {
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

.article-card:nth-child(1) { animation-delay: 0.1s; }
.article-card:nth-child(2) { animation-delay: 0.2s; }
.article-card:nth-child(3) { animation-delay: 0.3s; }
.article-card:nth-child(4) { animation-delay: 0.4s; }
.article-card:nth-child(5) { animation-delay: 0.5s; }
.article-card:nth-child(6) { animation-delay: 0.6s; }

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
    cursor: wait;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-orange);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Skeleton loading cards */
.skeleton-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
}

.skeleton-title {
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin-bottom: var(--space-md);
}

.skeleton-text {
    height: 16px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin-bottom: var(--space-sm);
}

.skeleton-text:nth-child(2) {
    width: 90%;
}

.skeleton-text:nth-child(3) {
    width: 75%;
}

/* Focus states for accessibility */
button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--border-color-focus);
    outline-offset: 2px;
}

/* ============================================
   CATEGORY BADGES
   ============================================ */

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.category-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Category-specific colors */
.category-badge.bitcoin {
    background: linear-gradient(135deg, #FF6B35 0%, #F7931A 100%);
    color: #FFFFFF;
}

.category-badge.ethereum {
    background: linear-gradient(135deg, #7B9FF8 0%, #627EEA 100%);
    color: #FFFFFF;
}

.category-badge.defi {
    background: linear-gradient(135deg, #00F5CC 0%, #00D4AA 100%);
    color: #1A2942;
}

.category-badge.nft {
    background: linear-gradient(135deg, #B57EDD 0%, #9D4EDD 100%);
    color: #FFFFFF;
}

.category-badge.regulation {
    background: linear-gradient(135deg, #818CF8 0%, #6366F1 100%);
    color: #FFFFFF;
}

/* Alternative solid style for compact spaces */
.category-badge-solid {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 8px;
}

.category-badge-solid.bitcoin {
    background: #F7931A;
    color: #FFFFFF;
}

.category-badge-solid.ethereum {
    background: #627EEA;
    color: #FFFFFF;
}

.category-badge-solid.defi {
    background: #00D4AA;
    color: #1A2942;
}

.category-badge-solid.nft {
    background: #9D4EDD;
    color: #FFFFFF;
}

.category-badge-solid.regulation {
    background: #6366F1;
    color: #FFFFFF;
}

/* Category badge in article cards */
.article-card .category-badge {
    margin-top: 8px;
    margin-bottom: 4px;
}

/* Category badge in article header */
.article-header .category-badge {
    margin-right: 8px;
}

/* ============================================
   Market Sentiment Dashboard
   ============================================ */

.market-sentiment-section {
    background: var(--bg-secondary);
    padding: 3rem 0;
}

.sentiment-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.sentiment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-xl);
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

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

.sentiment-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.sentiment-card-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sentiment-card-icon {
    font-size: 1.5rem;
}

.sentiment-card-value {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.sentiment-card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Fear & Greed specific styling */
.fear-greed-value {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.fear-greed-number {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-size: var(--text-5xl);
    font-weight: var(--font-bold);
}

.fear-greed-label {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Fear & Greed color coding */
.fear-greed-extreme-fear {
    color: #FF4136;
}

.fear-greed-fear {
    color: #FF851B;
}

.fear-greed-neutral {
    color: #FFDC00;
}

.fear-greed-greed {
    color: #2ECC40;
}

.fear-greed-extreme-greed {
    color: #01FF70;
}

/* Bitcoin Dominance gauge */
.dominance-gauge {
    position: relative;
    width: 100%;
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.dominance-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 6px;
    transition: width 0.5s ease;
}

/* Top movers */
.movers-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.mover-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    transition: background var(--transition-speed);
}

.mover-item:hover {
    background: rgba(247, 147, 26, 0.1);
}

.mover-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mover-symbol {
    font-family: var(--font-heading);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    min-width: 60px;
}

.mover-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mover-change {
    font-family: var(--font-mono);
    font-feature-settings: 'tnum';
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
}

.mover-change.positive {
    color: #2ECC40;
}

.mover-change.negative {
    color: #FF4136;
}

/* Loading state */
.sentiment-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

/* Responsive design */
@media (max-width: 768px) {
    .sentiment-dashboard {
        grid-template-columns: 1fr;
    }

    .fear-greed-number {
        font-size: var(--text-4xl);
    }

    .sentiment-card-value {
        font-size: var(--text-2xl);
    }
}