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

:root {
    --bg-primary: #0f0f23;
    --bg-secondary: #0a0a1a;
    --bg-card: #16213e;
    --bg-card-hover: #1a2744;
    --bg-radar: #141428;
    --border: #2a3a5c;
    --border-light: #1e2d4a;
    --text-primary: #e0e0e0;
    --text-secondary: #8892a4;
    --text-muted: #5a6478;
    --green: #00d4aa;
    --green-bg: rgba(0,212,170,0.1);
    --red: #ff4757;
    --red-bg: rgba(255,71,87,0.1);
    --gold: #ffd700;
    --blue: #4a9eff;
    --orange: #ff9f43;
    --purple: #a855f7;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* ══════════════════════════════════════════
   STICKY HEADER BAR
   ══════════════════════════════════════════ */
.header-bar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    flex-wrap: wrap;
    gap: 8px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left h1 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.badge-paper {
    background: var(--orange);
    color: #000;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-live {
    background: var(--green);
    color: #000;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.58rem;
    font-weight: 700;
    animation: pulse-live 2s infinite;
}

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

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.weekly-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
}

.weekly-dots {
    display: flex;
    gap: 3px;
}

.weekly-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--border);
    transition: background 0.3s;
}
.weekly-dot.loss { background: var(--red); }
.weekly-limit-active { color: var(--red); font-weight: 600; }

/* ── Quick Stats Bar ── */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--border-light);
    border-top: 1px solid var(--border-light);
}

.qs-item {
    background: var(--bg-secondary);
    padding: 8px 14px;
    text-align: center;
    transition: background 0.2s;
}
.qs-item:hover { background: #0e0e20; }

.qs-label {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.qs-value {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.positive { color: var(--green); }
.negative { color: var(--red); }
.neutral { color: var(--text-secondary); }
.gold { color: var(--gold); }

/* ══════════════════════════════════════════
   CONTAINER
   ══════════════════════════════════════════ */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 16px;
}

/* ── Section ── */
.section { margin-bottom: 28px; }

.section-title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title .icon {
    font-size: 1rem;
}

/* ══════════════════════════════════════════
   TABLES (shared)
   ══════════════════════════════════════════ */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

th {
    background: #111128;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 9px 10px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 7px 10px;
    border-bottom: 1px solid rgba(42,58,92,0.4);
    white-space: nowrap;
}

tr:hover td { background: rgba(255,255,255,0.015); }

.badge {
    display: inline-block;
    padding: 2px 7px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-long { background: rgba(0,212,170,0.15); color: var(--green); }
.badge-short { background: rgba(255,71,87,0.15); color: var(--red); }

.quality-a-plus { background: rgba(255,215,0,0.15); color: var(--gold); }
.quality-a { background: rgba(0,212,170,0.15); color: var(--green); }
.quality-b { background: rgba(74,158,255,0.15); color: var(--blue); }
.quality-c { background: rgba(255,159,67,0.15); color: var(--orange); }
.quality-d { background: rgba(255,71,87,0.15); color: var(--red); }

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 28px 16px;
    color: var(--text-muted);
    font-size: 0.82rem;
}
.empty-state .icon { font-size: 1.6rem; margin-bottom: 6px; display: block; }

/* ── Last Signal ── */
.last-signal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.last-signal .label { color: var(--text-muted); font-weight: 500; }

/* ══════════════════════════════════════════
   SIGNAL RADAR
   ══════════════════════════════════════════ */
.radar-section {
    background: var(--bg-radar);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 28px;
    border: 1px solid var(--border-light);
}

.radar-section .section-title {
    border-bottom-color: rgba(74,158,255,0.2);
}

/* Status badges in radar */
.radar-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.68rem;
    font-weight: 600;
    white-space: nowrap;
}
.radar-almost {
    background: rgba(255,71,87,0.18);
    color: var(--red);
    animation: pulse-radar 1.5s infinite;
}
.radar-approaching {
    background: rgba(255,215,0,0.14);
    color: var(--gold);
}
.radar-waiting {
    background: rgba(138,146,164,0.1);
    color: var(--text-secondary);
}
.radar-far {
    background: rgba(90,100,120,0.08);
    color: var(--text-muted);
}
.radar-none {
    background: rgba(90,100,120,0.05);
    color: #3a4050;
}

@keyframes pulse-radar {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.55; }
}

.radar-row-invalid td {
    opacity: 0.4;
}
.radar-row-invalid:hover td {
    opacity: 0.6;
}

/* Distance bar */
.dist-bar-wrap {
    width: 60px;
    height: 4px;
    background: rgba(42,58,92,0.5);
    border-radius: 2px;
    overflow: hidden;
    display: inline-block;
    vertical-align: middle;
    margin-left: 6px;
}
.dist-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* Trend dots */
.trend-bull { color: var(--green); }
.trend-bear { color: var(--red); }
.trend-neutral { color: var(--text-muted); }

/* Tooltip for radar rows */
.radar-tooltip {
    display: none;
    position: absolute;
    background: #1a1a35;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    z-index: 50;
    white-space: nowrap;
    pointer-events: none;
    box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.radar-tooltip.visible { display: block; }

/* ══════════════════════════════════════════
   FILTERS & PAGINATION
   ══════════════════════════════════════════ */
.filters {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.74rem;
    font-family: var(--font);
    transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--blue); color: var(--text-primary); }
.filter-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
    font-size: 0.78rem;
}

.pagination button {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    font-family: var(--font);
    transition: all 0.2s;
}
.pagination button:hover { border-color: var(--blue); }
.pagination button:disabled { opacity: 0.3; cursor: default; }

/* ══════════════════════════════════════════
   PERFORMANCE CARDS
   ══════════════════════════════════════════ */
.cards-row {
    display: grid;
    gap: 10px;
}
.cards-row-4 { grid-template-columns: repeat(4, 1fr); }
.cards-row-6 { grid-template-columns: repeat(6, 1fr); }
.cards-row-5 { grid-template-columns: repeat(5, 1fr); }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    transition: background 0.2s;
}
.card:hover { background: var(--bg-card-hover); }

.card-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.card-value {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.card-sub {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Charts ── */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
}

.chart-card h3 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.chart-card canvas {
    width: 100% !important;
    max-height: 200px;
}

/* ── Footer ── */
.footer {
    text-align: center;
    padding: 16px;
    color: var(--text-muted);
    font-size: 0.68rem;
    border-top: 1px solid var(--border);
    margin-top: 16px;
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .quick-stats { grid-template-columns: repeat(3, 1fr); }
    .cards-row-4 { grid-template-columns: repeat(2, 1fr); }
    .cards-row-6 { grid-template-columns: repeat(3, 1fr); }
    .cards-row-5 { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .header-top { padding: 8px 12px; }
    .header-left h1 { font-size: 0.9rem; }
    .quick-stats { grid-template-columns: repeat(2, 1fr); }
    .qs-value { font-size: 0.85rem; }
    .cards-row-4, .cards-row-6, .cards-row-5 { grid-template-columns: 1fr 1fr; }
    .card-value { font-size: 1rem; }
    table { font-size: 0.7rem; }
    td, th { padding: 5px 7px; }
    .container { padding: 10px 8px; }
    .radar-section { padding: 10px; }
}

@media (max-width: 400px) {
    .quick-stats { grid-template-columns: 1fr 1fr; }
    .cards-row-4, .cards-row-6, .cards-row-5 { grid-template-columns: 1fr; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Loading ── */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.4s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--blue);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

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