/* Crypto Intelligence Hub - Enhanced Stylesheet */

:root {
    /* Primary Colors */
    --primary: #667eea;
    --primary-dark: #764ba2;
    --primary-light: #8b9aff;
    --secondary: #f093fb;
    --accent: #ff6b9d;
    
    /* Status Colors */
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    
    /* Background Colors */
    --dark: #0a0e1a;
    --dark-card: #111827;
    --dark-hover: #1f2937;
    --dark-elevated: #1a1f35;
    
    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* UI Elements */
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --glow: 0 0 20px rgba(102, 126, 234, 0.3);
    
    /* Gradients */
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-blue: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-orange: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-pink: linear-gradient(135deg, #f093fb 0%, #ff6b9d 100%);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--dark) 0%, #1a1f35 50%, #0f1729 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background particles */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.app-container {
    max-width: 1920px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Header - Enhanced Glassmorphism */
.app-header {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.7) 0%, rgba(31, 41, 55, 0.5) 100%);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-purple);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    box-shadow: var(--glow);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.logo-text h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.status-badge.error .status-dot {
    background: var(--danger);
}

.status-badge.warning .status-dot {
    background: var(--warning);
}

/* Navigation Tabs - Enhanced Glassmorphism */
.tabs-nav {
    display: flex;
    gap: 10px;
    padding: 20px 30px;
    background: rgba(17, 24, 39, 0.4);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    position: sticky;
    top: 100px;
    z-index: 90;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    white-space: nowrap;
}

.tab-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary);
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: white;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

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

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.6), rgba(31, 41, 55, 0.4));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

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

.stat-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

/* Cards - Enhanced Glassmorphism */
.card {
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px 0 rgba(102, 126, 234, 0.3);
    border-color: rgba(102, 126, 234, 0.5);
}

.card h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 10px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

/* Buttons */
.btn-primary, .btn-refresh {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover, .btn-refresh:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

.btn-primary:focus, .btn-refresh:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

.btn-refresh {
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid var(--primary);
}

/* SVG icons in buttons */
.btn-primary svg, .btn-refresh svg {
    flex-shrink: 0;
    stroke-width: 2.5;
}

.btn-primary:disabled, .btn-refresh:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(31, 41, 55, 0.4);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--primary-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(31, 41, 55, 0.8);
}

.form-group input:disabled,
.form-group textarea:disabled,
.form-group select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(31, 41, 55, 0.4);
}

/* Form validation states */
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--danger);
}

.form-group input.success,
.form-group textarea.success,
.form-group select.success {
    border-color: var(--success);
}

.form-group .error-message {
    color: var(--danger);
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-group .success-message {
    color: var(--success);
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-group .help-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* Placeholder styling */
.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px;
    text-align: right;
    border-bottom: 1px solid var(--border);
}

table th {
    background: rgba(31, 41, 55, 0.6);
    font-weight: 600;
    color: var(--text-primary);
}

table tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

/* Loading States */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
    min-height: 200px;
}

.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-right: 3px solid var(--primary-light);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 15px;
}

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

.loading-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 10px;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 25%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.05) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

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

.skeleton .stat-value,
.skeleton .stat-label {
    opacity: 0;
}

/* Alerts & Notifications */
.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    border-left: 4px solid;
    animation: slideInDown 0.3s ease-out;
}

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

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--info);
    color: var(--info);
}

.alert strong {
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
}

.alert p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
}

/* Footer */
.app-footer {
    background: rgba(17, 24, 39, 0.8);
    border-top: 1px solid var(--border);
    padding: 20px 30px;
    text-align: center;
    color: var(--text-secondary);
}

.app-footer a {
    color: var(--primary);
    text-decoration: none;
    margin: 0 10px;
}

.app-footer a:hover {
    text-decoration: underline;
}

/* Sentiment Badges */
.sentiment-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    margin: 5px 5px 5px 0;
}

.sentiment-badge.bullish {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.sentiment-badge.bearish {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.sentiment-badge.neutral {
    background: rgba(156, 163, 175, 0.2);
    color: var(--text-secondary);
    border: 1px solid rgba(156, 163, 175, 0.3);
}

/* AI Result Cards */
.ai-result-card {
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-top: 15px;
    transition: all 0.3s;
}

.ai-result-card:hover {
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.ai-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.ai-result-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background: rgba(31, 41, 55, 0.6);
    border-radius: 10px;
    min-width: 120px;
}

.ai-result-metric-value {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 5px;
}

.ai-result-metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Model Status Indicators */
.model-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.model-status.available {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.model-status.unavailable {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.model-status.partial {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* Form Improvements for AI Sections */
.form-group input[type="text"] {
    text-transform: uppercase;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Loading States */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading .spinner {
    margin-bottom: 15px;
}

/* Confidence Bar */
.confidence-bar {
    width: 100%;
    height: 8px;
    background: rgba(31, 41, 55, 0.6);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 5px;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transition: width 0.3s ease;
}

.confidence-fill.high {
    background: linear-gradient(90deg, var(--success), #059669);
}

.confidence-fill.low {
    background: linear-gradient(90deg, var(--danger), #dc2626);
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .header-stats {
        display: none; /* Hide mini stats on mobile */
    }

    .tabs-nav {
        padding: 15px;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .tabs-nav::-webkit-scrollbar {
        height: 4px;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 13px;
        flex-shrink: 0;
    }

    .tab-btn span {
        display: none; /* Hide text labels on mobile, show only icons */
    }

    .tab-btn i {
        margin: 0;
    }

    .main-content {
        padding: 15px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header .btn-primary,
    .section-header .btn-refresh {
        width: 100%;
        justify-content: center;
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-icon {
        font-size: 32px;
    }

    .stat-value {
        font-size: 28px;
    }

    .ai-result-metric {
        min-width: 100px;
        padding: 10px;
    }

    .ai-result-metric-value {
        font-size: 20px;
    }

    .card {
        padding: 15px;
    }

    .card h3 {
        font-size: 18px;
    }

    /* Forms on mobile */
    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    /* Buttons stack on mobile */
    .btn-primary,
    .btn-refresh {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
    }

    /* Tables scroll horizontally on mobile */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}

/* Tablet and medium screens */
@media (min-width: 769px) and (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tabs-nav {
        gap: 8px;
    }

    .tab-btn {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* Large screens */
@media (min-width: 1440px) {
    .app-container {
        padding: 0 40px;
    }

    .main-content {
        padding: 40px;
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}



/* Enhanced Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.header-stats {
    display: flex;
    gap: 15px;
}

.mini-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 15px;
    background: rgba(31, 41, 55, 0.4);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border-radius: 10px;
    border: 1px solid var(--border);
    min-width: 80px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.15);
}

.mini-stat:hover {
    background: rgba(31, 41, 55, 0.8);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.mini-stat i {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 5px;
}

.mini-stat span {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.mini-stat small {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Enhanced Stat Cards */
.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.05) 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card.gradient-purple {
    border-left: 4px solid #667eea;
}

.stat-card.gradient-green {
    border-left: 4px solid #10b981;
}

.stat-card.gradient-blue {
    border-left: 4px solid #3b82f6;
}

.stat-card.gradient-orange {
    border-left: 4px solid #f59e0b;
}

.stat-card .stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.stat-card.gradient-purple .stat-icon {
    background: var(--gradient-purple);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.stat-card.gradient-green .stat-icon {
    background: var(--gradient-green);
    color: white;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.stat-card.gradient-blue .stat-icon {
    background: var(--gradient-blue);
    color: white;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.stat-card.gradient-orange .stat-icon {
    background: var(--gradient-orange);
    color: white;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.stat-content {
    flex: 1;
}

.stat-trend {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.stat-trend i {
    color: var(--success);
}

/* Enhanced Tab Buttons */
.tab-btn {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tab-btn i {
    font-size: 16px;
}

.tab-btn span {
    font-size: 14px;
}

/* Smooth Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-card);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-purple);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* Loading Animation Enhancement */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
    position: relative;
}

.spinner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--secondary);
    border-radius: 50%;
    animation: spin 0.5s linear infinite reverse;
}

/* Card Enhancements */
.card {
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: var(--transition-slow);
}

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

/* Button Enhancements */
.btn-primary, .btn-refresh {
    position: relative;
    overflow: hidden;
}

.btn-primary::before, .btn-refresh::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before, .btn-refresh:hover::before {
    width: 300px;
    height: 300px;
}

/* Tooltip */
[title] {
    position: relative;
}

/* Focus States */
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .header-stats {
        display: none;
    }
    
    .mini-stat {
        min-width: 60px;
        padding: 8px 10px;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-card .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    .tab-btn span {
        display: none;
    }
    
    .tab-btn {
        padding: 12px 16px;
    }
}


/* Light Theme */
body.light-theme {
    --dark: #f3f4f6;
    --dark-card: #ffffff;
    --dark-hover: #f9fafb;
    --dark-elevated: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: rgba(0, 0, 0, 0.1);
    --border-light: rgba(0, 0, 0, 0.05);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 50%, #d1d5db 100%);
}

body.light-theme::before {
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(240, 147, 251, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%);
}

body.light-theme .app-header {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 250, 251, 0.7) 100%);
}

body.light-theme .tabs-nav {
    background: rgba(255, 255, 255, 0.5);
}

body.light-theme .stat-card,
body.light-theme .card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

body.light-theme .mini-stat {
    background: rgba(249, 250, 251, 0.8);
}

body.light-theme .theme-toggle {
    background: rgba(249, 250, 251, 0.8);
}

body.light-theme .form-group input,
body.light-theme .form-group textarea,
body.light-theme .form-group select {
    background: rgba(249, 250, 251, 0.8);
}

body.light-theme table th {
    background: rgba(249, 250, 251, 0.8);
}

body.light-theme ::-webkit-scrollbar-track {
    background: #e5e7eb;
}