/* ============================
   SECTOR SCOPE - Styles
   ============================ */

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

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --strong-green: #00c853;
    --green: #22c55e;
    --light-green: #4ade80;
    --neutral: #6b7280;
    --light-red: #f87171;
    --red: #ef4444;
    --strong-red: #dc2626;
    --accent: #3b82f6;
    --border: #1e2d3d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.header h1 span {
    color: var(--accent);
}

.market-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
}

.status-dot.live { background: var(--green); }
.status-dot.closed { background: var(--red); animation: none; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.last-updated {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 4px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.nav-tab {
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid transparent;
    background: transparent;
    transition: all 0.3s;
}

.nav-tab:hover {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-tab.active {
    color: #fff;
    background: var(--accent);
    border-color: var(--accent);
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Sector Cards Grid */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.sector-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.sector-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.15);
}

.sector-card .sector-name {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.sector-card .sector-change {
    font-size: 1.8rem;
    font-weight: 700;
}

.sector-card .sector-value {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.sector-card .advance-decline {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.8rem;
}

.sector-card .advance-decline .adv { color: var(--green); }
.sector-card .advance-decline .dec { color: var(--red); }

.sector-card .strength-bar {
    height: 4px;
    border-radius: 2px;
    margin-top: 12px;
    background: var(--border);
    overflow: hidden;
}

.sector-card .strength-bar .fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s;
}

/* Heatmap */
.heatmap-container {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border);
}

.heatmap-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 6px;
    min-height: 70px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.heatmap-cell:hover {
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

.heatmap-cell .stock-symbol {
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.heatmap-cell .stock-change {
    font-size: 0.7rem;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
}

/* Color Classes */
.strong-green { background: #00c853 !important; }
.green { background: #16a34a !important; }
.light-green { background: #22863a !important; }
.neutral { background: #4b5563 !important; }
.light-red { background: #b91c1c !important; }
.red { background: #dc2626 !important; }
.strong-red { background: #991b1b !important; }

.text-green { color: var(--green) !important; }
.text-red { color: var(--red) !important; }
.text-neutral { color: var(--neutral) !important; }

/* Stock Table */
.stock-table-container {
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    margin-top: 20px;
}

.stock-table-header {
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stock-table-header h3 {
    font-size: 1.1rem;
}

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

.stock-table th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.stock-table td {
    padding: 12px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
}

.stock-table tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 200;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid var(--border);
}

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

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-body {
    padding: 20px;
}

/* Loading */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .sector-grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        flex-direction: column;
        gap: 8px;
    }
    
    .nav-tabs {
        overflow-x: auto;
        padding: 8px 12px;
    }
    
    .container {
        padding: 12px;
    }
    
    .heatmap-cell .stock-symbol {
        font-size: 0.65rem;
    }
}