/**
 * ============================================
 * FINANCE DASHBOARD - MAIN STYLESHEET
 * ============================================
 *
 * This stylesheet provides a professional dark theme for the dashboard.
 * Colors can be customized by modifying the CSS variables below.
 *
 * STRUCTURE:
 * 1. CSS Variables (colors, fonts, spacing)
 * 2. Reset & Base Styles
 * 3. Layout Components (navbar, main, footer)
 * 4. Dashboard Cards
 * 5. Charts & Data Displays
 * 6. Utility Classes
 * 7. Responsive Breakpoints
 */

/* Google Fonts - Inter for clean, professional look */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ==========================================
   1. CSS VARIABLES
   Change these to customize the entire look
   ========================================== */
:root {
    /* Primary Colors */
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-secondary: #10b981;
    --color-accent: #f59e0b;
    --color-danger: #ef4444;

    /* Background Colors */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --bg-card-hover: #273449;

    /* Text Colors */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Border Colors */
    --border-color: #334155;
    --border-light: #475569;

    /* Status Colors */
    --status-positive: #22c55e;
    --status-negative: #ef4444;
    --status-neutral: #94a3b8;

    /* Chart Colors - Used by Chart.js */
    --chart-blue: #3b82f6;
    --chart-green: #10b981;
    --chart-amber: #f59e0b;
    --chart-red: #ef4444;
    --chart-purple: #8b5cf6;
    --chart-cyan: #06b6d4;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Font - Inter for professional look, JetBrains Mono for code */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Courier New', monospace;
}

/* ==========================================
   2. RESET & BASE STYLES
   ========================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    font-weight: 400;
    letter-spacing: -0.011em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; letter-spacing: -0.03em; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

code {
    font-family: var(--font-mono);
    background-color: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

/* ==========================================
   3. LAYOUT COMPONENTS
   ========================================== */

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.brand-icon {
    font-size: 1.5rem;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.status-indicator {
    font-size: 0.75rem;
}

.status-indicator.connected {
    color: var(--status-positive);
}

.status-indicator.disconnected {
    color: var(--status-negative);
}

.status-indicator.checking {
    color: var(--color-accent);
    animation: pulse 1.5s infinite;
}

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

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.last-updated {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-note {
    margin-top: var(--spacing-sm);
}

/* ==========================================
   4. DASHBOARD CARDS
   ========================================== */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.dashboard-card {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    color: var(--text-primary);
}

.dashboard-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.dashboard-card h2 {
    margin-bottom: var(--spacing-sm);
}

.dashboard-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.card-preview {
    flex-grow: 1;
    min-height: 100px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-loading {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.data-source {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-arrow {
    font-size: 1.25rem;
    color: var(--color-primary);
    transition: transform var(--transition-fast);
}

.dashboard-card:hover .card-arrow {
    transform: translateX(4px);
}

/* Card accent colors */
.macro-card { border-left: 4px solid var(--chart-blue); }
.traffic-card { border-left: 4px solid var(--chart-green); }
.infra-card { border-left: 4px solid var(--chart-amber); }
.stocks-card { border-left: 4px solid var(--chart-purple); }

/* ==========================================
   5. QUICK STATS & DATA DISPLAYS
   ========================================== */
.quick-stats {
    margin-bottom: var(--spacing-2xl);
}

.quick-stats h2 {
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.stat-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-change {
    display: inline-block;
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    background-color: var(--bg-tertiary);
}

.stat-change.positive {
    color: var(--status-positive);
    background-color: rgba(34, 197, 94, 0.1);
}

.stat-change.negative {
    color: var(--status-negative);
    background-color: rgba(239, 68, 68, 0.1);
}

/* Commentary Section */
.commentary-section {
    margin-bottom: var(--spacing-2xl);
}

.commentary-section h2 {
    margin-bottom: var(--spacing-lg);
}

.commentary-grid {
    display: grid;
    gap: var(--spacing-md);
}

.commentary-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

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

.commentary-source {
    font-weight: 500;
}

.commentary-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.commentary-text {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   6. CHART CONTAINERS
   ========================================== */
.chart-container {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.chart-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.chart-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.chart-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

.chart-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ==========================================
   7. BUTTONS & CONTROLS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-light);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-group {
    display: flex;
    gap: 0;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.btn-group .btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* Select dropdown */
.select-wrapper {
    position: relative;
}

.select {
    appearance: none;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-xl) var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
}

.select:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* ==========================================
   8. DATA TABLES
   ========================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* ==========================================
   9. UTILITY CLASSES
   ========================================== */
.text-positive { color: var(--status-positive); }
.text-negative { color: var(--status-negative); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-lg); }

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

/* Loading Spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ==========================================
   10. RESPONSIVE BREAKPOINTS
   ========================================== */
@media (max-width: 1200px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

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

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .chart-wrapper {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        flex-wrap: wrap;
    }

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

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
}

/* ==========================================
   11. PAGE-SPECIFIC STYLES
   ========================================== */

/* Section page layout */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-header h1 {
    margin-bottom: var(--spacing-sm);
}

.section-description {
    color: var(--text-secondary);
    max-width: 800px;
}

/* Filter bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md);
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Indicator cards for macro page */
.indicator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.indicator-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.indicator-name {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.indicator-value {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.indicator-change {
    font-size: 0.875rem;
}

.indicator-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-sm);
}

/* Tab navigation within sections */
.tab-nav {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-primary);
}

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

.tab-content {
    display: none;
}

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