/* Trading Dashboard - Unified Styles */
/* Version: 2.0 - Professional Design */

:root {
    /* Color Palette */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(255,255,255,0.03);
    --bg-card-hover: rgba(255,255,255,0.06);

    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;

    --accent-green: #10b981;
    --accent-green-glow: rgba(16, 185, 129, 0.3);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.3);
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-orange: #f59e0b;
    --accent-gold: #fbbf24;

    --border-color: rgba(255,255,255,0.08);
    --border-highlight: rgba(255,255,255,0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-bg: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
    --shadow-glow-green: 0 0 20px rgba(16, 185, 129, 0.3);
    --shadow-glow-red: 0 0 20px rgba(239, 68, 68, 0.3);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ==================== NAVIGATION ==================== */
.main-nav {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0 var(--spacing-lg);
}

.nav-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

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

.nav-logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.nav-title {
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.nav-link.active {
    color: var(--text-primary);
    background: var(--accent-green);
    background: var(--gradient-primary);
}

.nav-link.live {
    background: var(--gradient-danger);
    color: var(--text-primary);
    animation: pulse-live 2s ease-in-out infinite;
}

.nav-link.live:hover {
    transform: scale(1.05);
}

@keyframes pulse-live {
    0%, 100% { box-shadow: 0 0 5px var(--accent-red-glow); }
    50% { box-shadow: 0 0 15px var(--accent-red-glow); }
}

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

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: status-pulse 2s ease-in-out infinite;
}

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

/* ==================== PAGE HEADER ==================== */
.page-header {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

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

.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateY(-2px);
}

.stat-card h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.stat-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-green);
    line-height: 1.2;
}

.stat-card .value.negative {
    color: var(--accent-red);
}

.stat-card .value.warning {
    color: var(--accent-orange);
}

.stat-card .subvalue {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ==================== CARDS & SECTIONS ==================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-lg);
}

/* ==================== TABLE STYLES ==================== */
.table-container {
    overflow-x: auto;
}

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

.data-table th {
    padding: var(--spacing-md) var(--spacing-sm);
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: rgba(0,0,0,0.2);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.data-table th:hover {
    background: rgba(255,255,255,0.05);
}

.data-table th.sorted-asc::after { content: ' \u25B2'; color: var(--accent-cyan); }
.data-table th.sorted-desc::after { content: ' \u25BC'; color: var(--accent-cyan); }

.data-table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

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

.data-table tbody tr.clickable {
    cursor: pointer;
}

.data-table tbody tr.has-open {
    background: rgba(245, 158, 11, 0.05);
}

.data-table tbody tr.has-open:hover {
    background: rgba(245, 158, 11, 0.1);
}

/* ==================== PNL COLORS ==================== */
.profit, .positive { color: var(--accent-green); }
.loss, .negative { color: var(--accent-red); }
.neutral { color: var(--accent-orange); }
.open-pnl { color: var(--accent-orange); font-weight: 600; }

/* ==================== BADGES & STATUS ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    gap: 4px;
}

.badge-long {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.badge-short {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.badge-idle, .badge-none {
    background: rgba(100, 116, 139, 0.15);
    color: var(--text-muted);
}

.badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

/* Strategy Badges */
.strategy-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    margin-right: 4px;
}

.strategy-badge.rsi { background: var(--accent-blue); }
.strategy-badge.bb { background: var(--accent-purple); }
.strategy-badge.ema { background: var(--accent-green); }
.strategy-badge.macd { background: var(--accent-orange); }
.strategy-badge.supertrend { background: var(--accent-red); }
.strategy-badge.volbreak { background: var(--accent-cyan); }
.strategy-badge.meanrev { background: #ec4899; }
.strategy-badge.se { background: var(--gradient-primary); color: #000; }
.strategy-badge.grid { background: #14b8a6; }
.strategy-badge.other { background: var(--text-muted); }

/* ==================== FILTERS ==================== */
.filters {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

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

.filter-group label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

select, input[type="text"] {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: border-color var(--transition-fast);
}

select:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: #000;
    border-color: transparent;
}

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

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-green);
}

/* ==================== TOP PERFORMERS CARDS ==================== */
.top-performers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.performer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
}

.performer-card:hover {
    border-color: var(--accent-green);
    box-shadow: var(--shadow-glow-green);
}

.performer-card.has-open {
    border-left: 3px solid var(--accent-orange);
}

.performer-rank {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    color: #000;
}

.performer-name {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--spacing-xs);
}

.performer-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.performer-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.performer-stat {
    text-align: center;
}

.performer-stat-value {
    font-weight: 700;
    font-size: 14px;
}

.performer-stat-label {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* ==================== MODAL ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 1000px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-tertiary);
}

.modal-header h2 {
    font-size: 18px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modal-close {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.modal-tab {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.modal-tab.active {
    background: var(--gradient-primary);
    color: #000;
    border-color: transparent;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow-green);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 11px;
}

/* ==================== LOADING ==================== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-cyan);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

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

/* ==================== FOOTER ==================== */
.page-footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 12px;
    margin-top: var(--spacing-xl);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: var(--spacing-md) 0;
        gap: var(--spacing-md);
    }

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

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }

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

    .nav-status {
        display: none;
    }

    .page-header h1 {
        font-size: 22px;
    }

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

    .top-performers {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 12px;
    }
}

/* ==================== UTILITY CLASSES ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-2 { margin-top: var(--spacing-md); }
.hidden { display: none !important; }