/* FinSight - Financial Analytics Dashboard
   Dark finance theme with green/red gain/loss colors */

/* === CSS Custom Properties === */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-card: #1c2128;
    --border-color: #30363d;
    --border-light: #3d444d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --gain-color: #3fb950;
    --gain-bg: rgba(63, 185, 80, 0.1);
    --gain-border: rgba(63, 185, 80, 0.3);
    --loss-color: #f85149;
    --loss-bg: rgba(248, 81, 73, 0.1);
    --loss-border: rgba(248, 81, 73, 0.3);
    --accent-blue: #58a6ff;
    --accent-purple: #bc8cff;
    --accent-yellow: #d29922;
    --accent-orange: #db6d28;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent-blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: #79c0ff; }

/* === Navbar === */
.navbar {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 18px;
}

.brand-icon { font-size: 24px; color: var(--accent-blue); }
.brand-text { letter-spacing: -0.5px; }

.nav-links {
    display: flex;
    gap: 4px;
    margin-left: 32px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s, color 0.2s;
}

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

.nav-ticker {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    white-space: nowrap;
    max-width: 400px;
}

.ticker-loading { color: var(--text-muted); font-style: italic; }

/* === Main Content === */
.main-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
    min-height: calc(100vh - 56px - 80px);
}

/* === Page Titles === */
.page-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.gain-title { color: var(--gain-color); }
.loss-title { color: var(--loss-color); }

/* === Gain/Loss Colors === */
.gain { color: var(--gain-color) !important; }
.loss { color: var(--loss-color) !important; }

/* === Summary Cards === */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.summary-card.card-gain { border-left: 3px solid var(--gain-color); }
.summary-card.card-loss { border-left: 3px solid var(--loss-color); }

.card-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.card-value {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-mono);
}

/* === Section === */
.section {
    margin-bottom: 32px;
}

/* === Movers === */
.movers-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.movers-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
}

.movers-list { display: flex; flex-direction: column; gap: 8px; }

.mover-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: background 0.2s;
}

.mover-item:hover { background: var(--border-color); }
.mover-symbol { font-weight: 600; font-family: var(--font-mono); min-width: 60px; }
.mover-price { font-family: var(--font-mono); color: var(--text-secondary); }
.mover-change { font-family: var(--font-mono); font-weight: 600; min-width: 70px; text-align: right; }

/* === Sector Grid === */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.sector-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.sector-name { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.sector-change { font-size: 20px; font-weight: 700; font-family: var(--font-mono); }
.sector-count { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* === Data Table === */
.table-container { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr { transition: background 0.15s; }
.data-table tbody tr:hover { background: var(--bg-tertiary); }

.clickable-row { cursor: pointer; }
.stock-symbol { font-weight: 600; font-family: var(--font-mono); color: var(--accent-blue); }

/* === Stock Detail === */
.stock-detail { max-width: 960px; }

.stock-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.stock-title-group { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.stock-name { font-size: 28px; font-weight: 700; }

.stock-ticker {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.stock-sector-badge {
    font-size: 12px;
    color: var(--accent-purple);
    background: rgba(188, 140, 255, 0.1);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
}

.stock-price-group { text-align: right; }
.stock-current-price { font-size: 32px; font-weight: 700; font-family: var(--font-mono); display: block; }
.stock-change { font-size: 16px; font-family: var(--font-mono); font-weight: 600; }

/* === Stats Grid === */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 32px;
}

.stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
}

.stat-label { font-size: 11px; text-transform: uppercase; color: var(--text-muted); letter-spacing: 0.5px; }
.stat-value { font-size: 16px; font-weight: 600; font-family: var(--font-mono); margin-top: 2px; }

/* === Charts === */
.chart-section { margin-bottom: 32px; }

.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    position: relative;
    height: 350px;
}

.chart-container-sm { height: 200px; }
.chart-container-md { height: 300px; }

/* === Portfolio === */
.portfolio-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
}

/* === Trade Form === */
.trade-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 24px;
}

.trade-form .form-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.form-input, .form-select {
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-sans);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.form-select { min-width: 90px; }
.form-input { min-width: 120px; }

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent-blue); color: #000; }
.btn-primary:hover { background: #79c0ff; }

.trade-result { margin-top: 12px; }

/* === Alerts === */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.alert-success { background: var(--gain-bg); border: 1px solid var(--gain-border); color: var(--gain-color); }
.alert-error { background: var(--loss-bg); border: 1px solid var(--loss-border); color: var(--loss-color); }

/* === Sentiment === */
.sentiment-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.sentiment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.sentiment-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.sentiment-symbol { font-weight: 700; font-family: var(--font-mono); font-size: 16px; }
.sentiment-card-score { font-family: var(--font-mono); font-size: 14px; margin-bottom: 8px; }

.sentiment-card-breakdown {
    display: flex;
    gap: 12px;
    font-size: 12px;
    font-family: var(--font-mono);
}

.bull-count { color: var(--gain-color); }
.bear-count { color: var(--loss-color); }
.neutral-count { color: var(--text-muted); }

.sentiment-badge, .badge-bullish, .badge-bearish, .badge-neutral {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-bullish { background: var(--gain-bg); color: var(--gain-color); border: 1px solid var(--gain-border); }
.badge-bearish { background: var(--loss-bg); color: var(--loss-color); border: 1px solid var(--loss-border); }
.badge-neutral { background: rgba(139, 148, 158, 0.1); color: var(--text-secondary); border: 1px solid rgba(139, 148, 158, 0.3); }

.sentiment-list, .headlines-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sentiment-item, .headline-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 16px;
}

.sentiment-header, .headline-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.sentiment-source, .headline-source {
    font-size: 12px;
    color: var(--text-muted);
}

.sentiment-score {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-secondary);
}

.headline-confidence {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: auto;
}

.sentiment-headline, .headline-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.headline-symbol {
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-blue);
}

/* === About Page === */
.about-content { max-width: 800px; }

.about-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 20px;
}

.about-section h2 { font-size: 18px; margin-bottom: 12px; color: var(--accent-blue); }
.about-section p { color: var(--text-secondary); margin-bottom: 8px; }

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
}

.feature-list li:last-child { border-bottom: none; }

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 8px;
}

.tech-item {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 8px 0;
}

.disclaimer-section { border-color: var(--accent-yellow); }
.disclaimer-section p { color: var(--accent-yellow); }

/* === Back Link === */
.back-link {
    display: inline-block;
    margin-top: 24px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    transition: background 0.2s;
}

.back-link:hover { background: var(--border-color); color: var(--text-primary); }

/* === Footer === */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 20px 24px;
    text-align: center;
}

.footer-content p { font-size: 13px; color: var(--text-muted); }
.footer-disclaimer { font-size: 11px; margin-top: 4px; }

/* === Responsive === */
@media (max-width: 768px) {
    .movers-section { grid-template-columns: 1fr; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .nav-ticker { display: none; }
    .stock-header { flex-direction: column; }
    .summary-grid { grid-template-columns: repeat(2, 1fr); }
    .trade-form .form-row { flex-direction: column; }
    .form-input, .form-select { width: 100%; }
}