/* ============================================================
   Token system
   Màu: nền navy sâu, bề mặt xanh than, viền tím-xanh mờ.
   Accent chính: hổ phách (amber) — dùng cho thương hiệu & điểm nhấn.
   Accent phụ: ngọc lam (teal) — trạng thái active/link.
   Xanh lá / đỏ CHỈ dùng cho ngữ nghĩa thắng-thua / long-short,
   vì đây là quy ước bắt buộc trong giao dịch, không phải trang trí.
   Font: Space Grotesk (display) + JetBrains Mono (số liệu, bảng).
   ============================================================ */
:root {
  --bg: #0A0F1C;
  --surface: #121A2C;
  --surface-2: #1A2440;
  --border: #263156;
  --text: #E7ECF7;
  --text-dim: #8C97BD;
  --text-faint: #5C6690;

  --accent: #E8A33D;
  --accent-dim: #B87F2C;
  --teal: #2FD9C4;
  --green: #22C55E;
  --red: #EF4444;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;

  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(232, 163, 61, 0.06), transparent),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(47, 217, 196, 0.05), transparent);
  color: var(--text);
  font-family: var(--font-display);
  min-height: 100vh;
}

/* ---------- Header ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--accent); font-size: 22px; line-height: 1; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }
.brand-sub { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1.2px; }

.status { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); }
.dot.connected { background: var(--green); box-shadow: 0 0 8px rgba(34,197,94,0.6); }
.dot.disconnected { background: var(--red); }

/* ---------- Ticker tape (signature element) ---------- */
.ticker-wrap {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  white-space: nowrap;
  padding: 9px 0;
}
.ticker-track {
  display: inline-flex;
  gap: 40px;
  animation: scroll-ticker 40s linear infinite;
  padding-left: 100%;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }
@keyframes scroll-ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}
.ticker-item .sym { color: var(--text); font-weight: 600; }
.ticker-item.long .arrow { color: var(--green); }
.ticker-item.short .arrow { color: var(--red); }
.ticker-empty { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); padding-left: 0; }

/* ---------- Layout ---------- */
.layout { max-width: 1240px; margin: 0 auto; padding: 24px 28px 60px; }

.summary-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.8px; }
.stat-value { font-family: var(--font-mono); font-size: 24px; font-weight: 600; color: var(--accent); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--teal); border-bottom-color: var(--teal); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- Toolbar ---------- */
.panel-toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.panel-toolbar input,
.panel-toolbar select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.panel-toolbar .hint { font-size: 12px; color: var(--text-faint); margin-left: auto; }

/* ---------- Tables ---------- */
.data-table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.data-table th {
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-dim);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 13px;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: rgba(47, 217, 196, 0.04); cursor: pointer; }
.empty-row { text-align: center; color: var(--text-faint); padding: 24px; font-family: var(--font-mono); font-size: 13px; }

.sym-cell { font-weight: 600; color: var(--text); }
.pos { color: var(--green); }
.neg { color: var(--red); }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.tag.long { background: rgba(34,197,94,0.12); color: var(--green); }
.tag.short { background: rgba(239,68,68,0.12); color: var(--red); }
.tag.open { background: rgba(47,217,196,0.12); color: var(--teal); }
.tag.hit_tp { background: rgba(34,197,94,0.12); color: var(--green); }
.tag.hit_sl { background: rgba(239,68,68,0.12); color: var(--red); }
.tag.expired { background: rgba(140,151,189,0.15); color: var(--text-dim); }
.tag.manual_close { background: rgba(140,151,189,0.15); color: var(--text-dim); }

/* ---------- Analytics ---------- */
.section-title { font-size: 15px; margin: 28px 0 6px; color: var(--text); }
.section-desc { font-size: 13px; color: var(--text-dim); margin: 0 0 14px; max-width: 640px; }
.analytics-note {
  font-size: 12px; color: var(--accent); background: rgba(232,163,61,0.08);
  border: 1px solid rgba(232,163,61,0.25); border-radius: 6px; padding: 10px 14px; display: none;
}
.analytics-note.visible { display: block; }

.factors-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.factor-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.factor-title { font-size: 13px; font-weight: 700; margin-bottom: 12px; color: var(--text); }
.factor-row { margin-bottom: 10px; }
.factor-row-label { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.factor-bar-track { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.factor-bar-fill { height: 100%; background: var(--teal); border-radius: 3px; }

/* ---------- Modal ---------- */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(5, 8, 16, 0.7);
  align-items: center; justify-content: center;
  z-index: 50;
}
.modal-overlay.visible { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}
.modal-close { position: absolute; top: 14px; right: 14px; background: none; border: none; color: var(--text-dim); font-size: 16px; cursor: pointer; }
.modal h3 { margin-top: 0; font-family: var(--font-mono); }
.modal-kv { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); font-family: var(--font-mono); font-size: 13px; }
.modal-kv span:first-child { color: var(--text-dim); }

@media (max-width: 860px) {
  .summary-row { grid-template-columns: repeat(2, 1fr); }
  .factors-container { grid-template-columns: 1fr; }
  .layout { padding: 20px 14px 40px; }
}