static/css/main.css

/* Crypto Intelligence Hub - Enhanced Stylesheet with Sidebar Navigation */

: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);
    
    /* Sidebar */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    
    /* 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;
}

/* =============================================================================
   Layout Structure
   ============================================================================= */

.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* =============================================================================
   Sidebar Navigation
   ============================================================================= */

.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.95) 0%, rgba(31, 41, 55, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 1000;
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo .logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-purple);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: white;
    box-shadow: var(--glow);
    animation: float 3s ease-in-out infinite;
}

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

.sidebar-logo .logo-text h1 {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
}

.sidebar-logo .logo-text p {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.sidebar-toggle-btn {
    display: none;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sidebar-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: 20px 15px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: all var(--transition-fast);
    width: 100%;
    text-align: left;
    margin-bottom: 8px;
}

.nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 2;
}

.nav-item:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary);
    color: var(--text-primary);
    transform: translateX(5px);
}

.nav-item.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);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.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); }
}

.sidebar-stats {
    display: flex;
    gap: 10px;
}

.stat-mini {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px;
    background: rgba(31, 41, 55, 0.6);
    border-radius: 10px;
    border: 1px solid var(--border);
}

.stat-mini svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
    margin-bottom: 5px;
    stroke-width: 2;
}

.stat-mini span {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

/* =============================================================================
   Main Wrapper
   ============================================================================= */

.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* Top Header */
.top-header {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.9) 0%, rgba(31, 41, 55, 0.7) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.hamburger-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: rgba(102, 126, 234, 0.2);
    border: 1px solid var(--primary);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition-fast);
}

.hamburger-btn:hover {
    background: var(--gradient-purple);
    transform: scale(1.05);
}

.header-title {
    flex: 1;
}

.header-title h2 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2px;
}

.header-title p {
    font-size: 13px;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    gap: 10px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.icon-btn:hover {
    background: var(--gradient-purple);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* =============================================================================
   Content Area
   ============================================================================= */

.content-area {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.tab-panel {
    display: none;
}

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

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

/* =============================================================================
   Cards & Components
   ============================================================================= */

.glass-card {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.glass-card:hover {
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-header h3 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

/* 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, 0.8), rgba(31, 41, 55, 0.6));
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    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 {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.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-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-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;
}

.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);
}

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

/* =============================================================================
   Forms
   ============================================================================= */

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    background: rgba(31, 41, 55, 0.6);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    transition: var(--transition-fast);
}

.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);
}

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

/* =============================================================================
   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 var(--transition-fast);
    font-size: 14px;
    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, .btn-refresh:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

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

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

/* =============================================================================
   Tables
   ============================================================================= */

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    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);
}

/* =============================================================================
   Alerts
   ============================================================================= */

.alert {
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

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

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

.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 15px;
}

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

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

.text-secondary {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

/* =============================================================================
   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);
}

/* =============================================================================
   Responsive Design (Mobile First)
   ============================================================================= */

@media (max-width: 768px) {
    /* Hide sidebar by default on mobile */
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Show hamburger button */
    .hamburger-btn {
        display: flex;
    }
    
    /* Adjust main wrapper */
    .main-wrapper {
        margin-left: 0;
    }
    
    /* Adjust content padding */
    .content-area {
        padding: 15px;
    }
    
    .top-header {
        padding: 15px 20px;
    }
    
    /* Adjust grids */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    /* Adjust stat cards */
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-card .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }
    
    /* Adjust header title */
    .header-title h2 {
        font-size: 18px;
    }
    
    .header-title p {
        font-size: 11px;
    }
}

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

/* =============================================================================
   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 .sidebar {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.9) 100%);
}

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

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

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;
}

/* =============================================================================
   News Cards - Modern Design
   ============================================================================= */

.news-card {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.news-card:hover {
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
    transform: translateY(-2px);
}

.news-card-image {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
}

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

.news-card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

.news-card-excerpt {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-muted);
}

.news-card-source {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 6px;
    font-weight: 600;
}

.news-card-time {
    display: flex;
    align-items: center;
    gap: 6px;
}

.news-card-time svg {
    width: 14px;
    height: 14px;
}

.news-card-symbols {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.symbol-badge {
    padding: 3px 8px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--info);
}

/* =============================================================================
   Sentiment Visualizations
   ============================================================================= */

.sentiment-gauge-container {
    position: relative;
    width: 300px;
    height: 150px;
    margin: 20px auto;
}

.sentiment-gauge {
    width: 100%;
    height: 100%;
}

.sentiment-trend-arrow {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin: 0 8px;
    vertical-align: middle;
    animation: pulse-arrow 2s ease-in-out infinite;
}

.sentiment-trend-arrow.bullish {
    color: var(--success);
}

.sentiment-trend-arrow.bearish {
    color: var(--danger);
    transform: rotate(180deg);
}

.sentiment-trend-arrow.neutral {
    color: var(--warning);
    transform: rotate(90deg);
}

@keyframes pulse-arrow {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(-5px); opacity: 0.7; }
}

.confidence-bar-container {
    margin: 15px 0;
}

.confidence-bar-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.confidence-bar {
    width: 100%;
    height: 12px;
    background: rgba(31, 41, 55, 0.6);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.confidence-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 6px;
    transition: width 1s ease-out;
    position: relative;
    overflow: hidden;
}

.confidence-bar-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: shimmer 2s infinite;
}

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

.sentiment-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sentiment-badge.bullish,
.sentiment-badge.positive {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: var(--success);
}

.sentiment-badge.bearish,
.sentiment-badge.negative {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: var(--danger);
}

.sentiment-badge.neutral {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: var(--warning);
}

.ai-result-card {
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 25px;
    margin-top: 20px;
}

.ai-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.ai-result-header h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.ai-result-metric {
    text-align: center;
}

.ai-result-metric-value {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 5px;
}

.ai-result-metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.time-ago {
    color: var(--text-muted);
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.icon-btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.hamburger-btn svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.sidebar-toggle-btn svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-primary svg,
.btn-refresh svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    vertical-align: middle;
}

/* Responsive adjustments for news cards */
@media (max-width: 768px) {
    .news-card {
        flex-direction: column;
    }
    
    .news-card-image {
        width: 100%;
        height: 200px;
    }
    
    .sentiment-gauge-container {
        width: 100%;
        max-width: 300px;
    }
}