:root {
  --bg: #131722;
  --bg-panel: #1e222d;
  --bg-elev: #2a2e39;
  --bg-hover: #2a2e39;
  --border: #2a2e39;
  --border-soft: #363a45;
  --text: #d1d4dc;
  --text-strong: #f0f3fa;
  --text-dim: #787b86;
  --accent: #2962ff;
  --accent-hover: #1e53e5;
  --green: #26a69a;
  --green-strong: #089981;
  --green-bg: rgba(38, 166, 154, 0.12);
  --red: #ef5350;
  --red-strong: #f23645;
  --red-bg: rgba(239, 83, 80, 0.12);
  --yellow: #f7a600;
  --purple: #9c27b0;
  --font: "Trebuchet MS", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", ui-monospace, Menlo, Consolas, monospace;
}

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

html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.app { display: grid; grid-template-columns: 56px 1fr; height: 100vh; }

.sidebar {
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0;
  gap: 4px;
}
.sidebar .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #00bcd4);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px; margin-bottom: 12px;
}
.nav-item {
  position: relative;
  width: 40px; height: 40px; border-radius: 9px;
  background: none; border: none; cursor: pointer;
  color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  transition: all .12s;
}
.nav-item svg { width: 20px; height: 20px; }
.nav-item:hover { background: var(--bg-elev); color: var(--text); }
.nav-item.active { background: rgba(41,98,255,.15); color: var(--accent); }
.nav-item .tip {
  position: absolute; left: 50px; top: 50%; transform: translateY(-50%);
  background: #000; color: #fff; padding: 5px 9px; border-radius: 6px;
  font-size: 12px; white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity .12s; z-index: 50;
}
.nav-item:hover .tip { opacity: 1; }
.sidebar .spacer { flex: 1; }

.content { display: flex; flex-direction: column; overflow: hidden; }

/* ---------- Ticker tape ---------- */
.ticker-tape {
  display: flex; align-items: center; gap: 0;
  height: 38px; background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: none;
  flex-shrink: 0;
}
.ticker-tape::-webkit-scrollbar { display: none; }
.tick-item {
  display: flex; align-items: center; gap: 7px;
  padding: 0 16px; height: 100%; border-right: 1px solid var(--border);
  white-space: nowrap; font-size: 12px;
}
.tick-item .sym { color: var(--text-strong); font-weight: 600; }
.tick-item .px { color: var(--text); font-family: var(--mono); }
.tick-item .chg { font-family: var(--mono); font-weight: 600; }
.tick-item .arrow { font-size: 10px; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 10px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg); flex-shrink: 0;
}
.topbar .total { display: flex; flex-direction: column; }
.topbar .total .lbl { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.topbar .total .val { font-size: 22px; font-weight: 700; color: var(--text-strong); font-family: var(--mono); }
.topbar .metric { display: flex; flex-direction: column; }
.topbar .metric .lbl { font-size: 11px; color: var(--text-dim); }
.topbar .metric .val { font-size: 14px; font-weight: 600; font-family: var(--mono); }
.topbar .spacer { flex: 1; }
.status { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.view-title { font-size: 16px; font-weight: 600; color: var(--text-strong); }

main { padding: 18px 20px; overflow-y: auto; flex: 1; }
.view { display: none; }
.view.active { display: block; animation: fade .2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 14px 16px;
  position: relative; overflow: hidden;
}
.card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); opacity: .7; }
.card.up::before { background: var(--green); }
.card.down::before { background: var(--red); }
.card .label { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; }
.card .value { font-size: 22px; font-weight: 700; margin-top: 4px; font-family: var(--mono); color: var(--text-strong); }
.card .sub { font-size: 12px; margin-top: 2px; font-family: var(--mono); font-weight: 600; }

.grid-2 { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; }
@media (max-width: 1000px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Panels ---------- */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 14px 16px; margin-bottom: 12px;
}
.panel h2 { font-size: 13px; margin-bottom: 12px; font-weight: 600; color: var(--text-strong); text-transform: uppercase; letter-spacing: .03em; }
.panel .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel .head h2 { margin-bottom: 0; }

.green { color: var(--green); }
.red { color: var(--red); }
.pill { padding: 2px 7px; border-radius: 4px; font-size: 11px; font-weight: 700; font-family: var(--mono); }
.pill.green { background: var(--green-bg); color: var(--green); }
.pill.red { background: var(--red-bg); color: var(--red); }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: right; padding: 9px 12px; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--text-dim); font-weight: 500; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: var(--bg-panel); }
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--bg-hover); }
td.num, th.num { font-family: var(--mono); }
td .tick { font-weight: 700; color: var(--text-strong); }
td .nm { color: var(--text-dim); font-size: 11px; }

.badge { font-size: 10px; padding: 2px 7px; border-radius: 4px; background: var(--bg-elev); color: var(--text-dim); border: 1px solid var(--border-soft); text-transform: uppercase; letter-spacing: .03em; }
.badge.buy { color: var(--green); border-color: var(--green); }
.badge.sell { color: var(--red); border-color: var(--red); }

/* ---------- Buttons & inputs ---------- */
button.btn {
  background: var(--accent); color: #fff; border: none;
  padding: 8px 14px; border-radius: 6px; cursor: pointer;
  font-weight: 600; font-size: 13px; font-family: var(--font);
}
button.btn:hover { background: var(--accent-hover); }
button.btn.ghost { background: var(--bg-elev); color: var(--text); border: 1px solid var(--border-soft); }
button.btn.ghost:hover { background: var(--border-soft); }
button.btn.danger { background: var(--red-bg); color: var(--red); }
button.icon { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 13px; padding: 4px 6px; border-radius: 5px; }
button.icon:hover { color: var(--text-strong); background: var(--bg-elev); }

.chips { display: flex; gap: 4px; }
.chip { padding: 4px 10px; border-radius: 5px; background: transparent; border: 1px solid transparent; color: var(--text-dim); cursor: pointer; font-size: 12px; font-weight: 600; }
.chip:hover { color: var(--text); }
.chip.active { color: var(--accent); background: rgba(41,98,255,.12); }

form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
form label { display: block; font-size: 11px; color: var(--text-dim); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .03em; }
input, select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border-soft);
  border-radius: 6px; color: var(--text-strong); padding: 9px 10px;
  font-size: 13px; font-family: var(--font);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

/* ---------- Modal ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.65); display: none; align-items: center; justify-content: center; z-index: 100; backdrop-filter: blur(2px); }
.modal-bg.show { display: flex; }
.modal { background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: 12px; padding: 22px; width: 560px; max-width: 92vw; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.5); }
.modal h2 { margin-bottom: 16px; color: var(--text-strong); font-size: 16px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

.empty { text-align: center; color: var(--text-dim); padding: 36px; }
.muted { color: var(--text-dim); }
canvas { max-height: 320px; }
.table-wrap { overflow-x: auto; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-elev); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-soft); }