/* ============================================= */
/* RESET & BASE STYLES */
/* ============================================= */

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

:root {
    /* Color Palette */
    --primary: #667eea;
    --primary-dark: #5a6fd8;
    --primary-light: #764ba2;
    --secondary: #f093fb;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    --dark: #343a40;
    --light: #f8f9fa;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --gradient-danger: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.375rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 25px 50px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-fast: all 0.15s ease;
}

/* Base Styles */
body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* ============================================= */
/* LAYOUT COMPONENTS */
/* ============================================= */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Header Styles */
.header {
    text-align: center;
    color: white;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.header p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Database Controls */
.database-controls {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.db-status {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.db-status.connected {
    background: var(--success);
    color: white;
}

.db-status.disconnected {
    background: var(--danger);
    color: white;
}

.db-status-message {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: var(--spacing-md);
    margin-left: auto;
}

/* ============================================= */
/* FORM CONTROLS & BUTTONS */
/* ============================================= */

/* Control Groups */
.controls {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    align-items: end;
}

.control-group {
    flex: 1;
    min-width: 200px;
}

.control-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--dark);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* Select & Input Styles */
.modern-select, .search-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid #e1e5e9;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: white;
}

.modern-select:focus, .search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Button Styles */
.btn-primary, .btn-secondary, .btn-warning, .btn-danger, .btn-success {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    text-align: center;
}

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

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: #f8f9fa;
    color: #555;
    border: 2px solid #e1e5e9;
}

.btn-secondary:hover:not(:disabled) {
    background: #e9ecef;
    border-color: #adb5bd;
}

.btn-warning {
    background: var(--warning);
    color: black;
}

.btn-warning:hover:not(:disabled) {
    background: #e0a800;
    transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
    background: #c82333;
    transform: translateY(-2px);
}

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

.btn-success:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-2px);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: var(--primary);
    color: white;
    transition: var(--transition);
}

.btn-small:hover {
    background: var(--primary-dark);
}

/* Button States */
button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ============================================= */
/* LOADING & PROGRESS INDICATORS */
/* ============================================= */

.loading {
    text-align: center;
    padding: var(--spacing-2xl);
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

.progress {
    background: white;
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.progress-bar {
    background: #e9ecef;
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.progress-bar .progress {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.5s ease;
    padding: 0;
    margin: 0;
}

/* ============================================= */
/* RESULTS & DATA DISPLAY */
/* ============================================= */

.results {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.results-header {
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
}

.results-header h2 {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.summary {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Tabs Navigation */
.tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #e1e5e9;
}

.tab-btn {
    padding: var(--spacing-lg) var(--spacing-xl);
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #555;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: white;
}

.tab-btn:hover {
    background: #e9ecef;
}

.tab-content {
    padding: 0;
}

.tab-pane {
    display: none;
    padding: var(--spacing-xl);
}

.tab-pane.active {
    display: block;
}

/* Table Controls */
.table-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    align-items: center;
}

.search-input {
    flex: 1;
    max-width: 300px;
}

/* Table Styles */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    border: 1px solid #e1e5e9;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    background: white;
}

.results-table th {
    background: #f8f9fa;
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid #e1e5e9;
    position: sticky;
    top: 0;
    cursor: pointer;
    user-select: none;
}

.results-table th:hover {
    background: #e9ecef;
}

.results-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid #e1e5e9;
    vertical-align: middle;
}

.results-table tr:hover {
    background: #f8f9fa;
}

/* Score Badges */
.stock-score {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: white;
}

.score-high { background: var(--success); }
.score-medium { background: var(--warning); color: var(--dark); }
.score-low { background: var(--danger); }

/* ============================================= */
/* CHARTS & VISUALIZATIONS */
/* ============================================= */

.charts-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.chart-wrapper {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid #e1e5e9;
}

.chart-wrapper.large {
    grid-column: 1 / -1;
}

.chart-wrapper canvas {
    max-height: 300px;
    width: 100% !important;
}

/* Analytics Dashboard */
.analytics-dashboard {
    margin-bottom: var(--spacing-xl);
}

.analytics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.analytics-card {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border: 1px solid #e1e5e9;
}

.analytics-card h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================= */
/* AI ANALYSIS SPECIFIC STYLES */
/* ============================================= */

/* AI Analysis Controls */
.ai-analysis-controls {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
    align-items: end;
    flex-wrap: wrap;
}

/* AI Analysis Results */
.ai-analysis-results {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.ai-analysis-header {
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-stock-info {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.stock-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-weight: 600;
}

.stock-price {
    font-size: var(--font-size-2xl);
    font-weight: bold;
}

/* AI Score Cards */
.ai-score-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
}

.ai-score-card {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}

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

.ai-score-card.value { border-left-color: var(--success); }
.ai-score-card.growth { border-left-color: var(--info); }
.ai-score-card.safety { border-left-color: var(--warning); }
.ai-score-card.overall { border-left-color: var(--primary); }

.score-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.score-header i {
    font-size: var(--font-size-2xl);
}

.score-header h4 {
    margin: 0;
    color: var(--dark);
}

.score-value {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.score-progress {
    background: #e9ecef;
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
}

.score-progress .progress-bar {
    height: 100%;
    transition: width 0.5s ease;
}

/* AI Insights Grid */
.ai-insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
}

.insight-card {
    background: #f8f9fa;
    border-radius: var(--border-radius-lg);
    border: 1px solid #e9ecef;
    overflow: hidden;
    transition: var(--transition);
}

.insight-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.insight-card.fundamental { border-left: 4px solid var(--success); }
.insight-card.technical { border-left: 4px solid var(--info); }
.insight-card.recommendation { border-left: 4px solid var(--warning); }
.insight-card.risks { border-left: 4px solid var(--danger); }

.insight-header {
    padding: var(--spacing-lg);
    background: white;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.insight-header h4 {
    margin: 0;
    flex: 1;
    color: var(--dark);
}

/* Badge Styles */
.score-badge, .trend-badge, .rec-badge, .risk-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 15px;
    font-size: var(--font-size-xs);
    font-weight: bold;
    color: white;
}

.score-badge { background: var(--primary); }
.trend-badge.bullish { background: var(--success); }
.trend-badge.bearish { background: var(--danger); }
.trend-badge.sideways { background: var(--warning); color: var(--dark); }
.rec-badge.strong-buy { background: var(--success); }
.rec-badge.buy { background: var(--info); }
.rec-badge.hold { background: var(--warning); color: var(--dark); }
.rec-badge.sell { background: #fd7e14; }
.rec-badge.strong-sell { background: var(--danger); }
.risk-badge.low { background: var(--success); }
.risk-badge.medium { background: var(--warning); color: var(--dark); }
.risk-badge.high { background: var(--danger); }

.insight-content {
    padding: var(--spacing-xl);
}

/* Metric Grids */
.metric-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.metric span:first-child {
    flex: 1;
    font-size: var(--font-size-sm);
    color: #666;
}

.analysis-text {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: #555;
}

/* Technical Metrics */
.technical-metrics, .target-prices, .position-info, .risk-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.tech-metric, .target, .info-item, .risk-metric {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.tech-metric:hover, .target:hover, .info-item:hover, .risk-metric:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.tech-metric span, .target span, .info-item span, .risk-metric span {
    display: block;
    font-size: var(--font-size-xs);
    color: #666;
    margin-bottom: var(--spacing-sm);
}

.tech-metric strong, .target strong, .info-item strong, .risk-metric strong {
    font-size: var(--font-size-base);
    color: var(--dark);
}

/* Risk Lists */
.risk-lists {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.risk-list h5, .monitoring-points h5 {
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    font-size: var(--font-size-base);
}

.risk-list ul, .monitoring-points ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.risk-list li, .monitoring-points li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.risk-list li:last-child, .monitoring-points li:last-child {
    border-bottom: none;
}

/* ============================================= */
/* PORTFOLIO ANALYTICS */
/* ============================================= */

.portfolio-analytics-section {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.portfolio-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.portfolio-card {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid #e9ecef;
    transition: var(--transition);
}

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

.metric-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.metric-header i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.metric-header h4 {
    margin: 0;
    color: var(--dark);
}

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: bold;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.metric-progress {
    margin-top: var(--spacing-md);
}

.risk-indicator, .health-indicator {
    height: 8px;
    border-radius: 10px;
    margin-top: var(--spacing-md);
}

.risk-indicator { background: var(--success); }
.health-indicator { background: var(--warning); }

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.recommendation-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.portfolio-charts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.chart-container {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

/* ============================================= */
/* HISTORICAL ANALYSIS */
/* ============================================= */

.historical-analysis-section {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
}

.period-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.performance-charts {
    margin-top: var(--spacing-xl);
}

.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-card {
    background: #f8f9fa;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
}

.chart-card h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
    font-size: var(--font-size-lg);
}

/* ============================================= */
/* INVESTMENT PRINCIPLES */
/* ============================================= */

.investment-principles-section {
    background: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.principle-card {
    background: #f8f9fa;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid #e9ecef;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.principle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.principle-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.principle-icon {
    font-size: var(--font-size-4xl);
    color: var(--primary);
    margin-bottom: var(--spacing-lg);
}

.principle-card h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
    font-size: var(--font-size-xl);
}

.principle-card p {
    color: #666;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.principle-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.principle-card li {
    padding: var(--spacing-sm) 0;
    color: #555;
    border-bottom: 1px solid #e9ecef;
    font-size: var(--font-size-sm);
}

.principle-card li:last-child {
    border-bottom: none;
}

/* ============================================= */
/* MODALS & OVERLAYS */
/* ============================================= */

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 0;
    border-radius: var(--border-radius-xl);
    width: 90%;
    max-width: 600px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
    box-shadow: var(--shadow-xl);
}

@keyframes modalSlideIn {
    from { 
        transform: translateY(-50px); 
        opacity: 0; 
    }
    to { 
        transform: translateY(0); 
        opacity: 1; 
    }
}

.modal-header {
    padding: var(--spacing-xl);
    background: var(--gradient-primary);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.modal-header h3 {
    margin: 0;
}

.close {
    font-size: var(--font-size-2xl);
    font-weight: bold;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.close:hover {
    color: white;
    transform: scale(1.1);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 70vh;
    overflow-y: auto;
}

/* Loading Modal */
.loading-content {
    padding: var(--spacing-2xl);
    text-align: center;
}

.ai-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
}

.ai-loader i {
    font-size: var(--font-size-4xl);
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.loader-text {
    font-size: var(--font-size-lg);
    color: var(--dark);
    font-weight: 600;
}

/* ============================================= */
/* NOTIFICATIONS & ALERTS */
/* ============================================= */

.notification {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    z-index: 1001;
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

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

.notification.success { background: var(--success); }
.notification.error { background: var(--danger); }
.notification.warning { background: var(--warning); color: var(--dark); }
.notification.info { background: var(--info); }

.notification button {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.8;
    transition: var(--transition);
}

.notification button:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* ============================================= */
/* FOOTER */
/* ============================================= */

.footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: white;
    margin-top: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================= */
/* RESPONSIVE DESIGN */
/* ============================================= */

/* Large Desktop */
@media (min-width: 1200px) {
    .container {
        max-width: 1400px;
    }
}

/* Tablet */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-lg);
    }
    
    .chart-row,
    .portfolio-charts,
    .risk-lists,
    .technical-metrics,
    .target-prices,
    .position-info,
    .risk-metrics {
        grid-template-columns: 1fr;
    }
    
    .ai-insights-grid {
        grid-template-columns: 1fr;
    }
    
    .principles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .header h1 {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .controls,
    .ai-analysis-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .control-group {
        min-width: auto;
    }
    
    .control-actions {
        flex-direction: column;
    }
    
    .ai-score-cards,
    .portfolio-metrics {
        grid-template-columns: 1fr;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        margin-left: 0;
        justify-content: center;
        width: 100%;
        margin-top: var(--spacing-md);
    }
    
    .ai-analysis-header {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .ai-stock-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
    }
    
    .notification {
        right: var(--spacing-md);
        left: var(--spacing-md);
        max-width: none;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .header {
        padding: var(--spacing-lg);
    }
    
    .controls,
    .ai-analysis-controls,
    .database-controls {
        padding: var(--spacing-lg);
    }
    
    .tab-btn {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .results-table {
        font-size: var(--font-size-xs);
    }
    
    .results-table th,
    .results-table td {
        padding: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-warning {
        padding: var(--spacing-md);
        font-size: var(--font-size-sm);
    }
}

/* Print Styles */
@media print {
    .header-actions,
    .controls,
    .database-controls,
    .tabs,
    .btn-primary,
    .btn-secondary {
        display: none !important;
    }
    
    .results {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .tab-pane {
        display: block !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary: #0000ff;
        --success: #008000;
        --warning: #ffa500;
        --danger: #ff0000;
    }
    
    .shadow-sm, .shadow, .shadow-md, .shadow-lg, .shadow-xl {
        box-shadow: 0 0 0 1px #000 !important;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}