:root {
  --ink:        #10161d;
  --surface:    #171f29;
  --surface-2:  #1d2734;
  --line:       rgba(237, 234, 226, 0.09);
  --text:       #edeae2;
  --muted:      #8a94a3;
  --gold:       #c9a24b;
  --up:         #34b27b;
  --up-dim:     rgba(52, 178, 123, 0.14);
  --down:       #e0645a;
  --down-dim:   rgba(224, 100, 90, 0.14);

  --sans: 'Inter', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 28px 0 20px;
  border-bottom: 1px solid var(--line);
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.mark { display: flex; align-items: center; gap: 8px; }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.exchange-name {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.session-meta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-main { margin-bottom: 22px; }

.hero-count {
  font-family: var(--mono);
  font-size: clamp(2.6rem, 9vw, 4.2rem);
  font-weight: 600;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.hero-count .count.up { color: var(--up); }
.hero-count .count.down { color: var(--down); }
.hero-slash { color: var(--muted); font-weight: 400; }

.hero-label {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-strip {
  display: flex;
  gap: 2px;
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
}

.hero-strip span { display: block; height: 100%; }
.hero-strip .seg-up { background: var(--up); }
.hero-strip .seg-down { background: var(--down); }
.hero-strip .seg-flat { background: var(--muted); opacity: 0.4; }

/* ---------- Demo banner ---------- */

.demo-banner {
  margin-top: 16px;
  padding: 10px 14px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-size: 0.85rem;
}

.stale-banner {
  border-color: rgba(201, 162, 75, 0.45);
  background: rgba(201, 162, 75, 0.08);
  color: var(--text);
}

.stale-banner strong { color: var(--gold); font-weight: 600; }

.demo-banner code {
  font-family: var(--mono);
  color: var(--gold);
}

/* ---------- Controls ---------- */

.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 32px 0 14px;
  flex-wrap: wrap;
}

.tabs { display: flex; gap: 4px; }

.tab {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
}

.tab:hover { color: var(--text); }

.tab.active {
  color: var(--ink);
  background: var(--gold);
  font-weight: 600;
}

#search {
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  min-width: 200px;
}

#search::placeholder { color: var(--muted); }
#search:focus { outline: 2px solid var(--gold); outline-offset: 1px; }

/* ---------- Table ---------- */

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

thead th {
  text-align: left;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--line);
}

th.col-num, td.col-num { text-align: right; }

tbody td {
  padding: 13px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

tbody tr:hover { background: var(--surface); }

.symbol {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.company-name {
  color: var(--muted);
  font-size: 0.85rem;
}

td.col-num, .price, .change, .volume {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.change {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.change.up { color: var(--up); background: var(--up-dim); }
.change.down { color: var(--down); background: var(--down-dim); }
.change.flat { color: var(--muted); background: transparent; }

.loading-row, .empty-state {
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
}

footer {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

footer code {
  font-family: var(--mono);
  color: var(--gold);
}

@media (max-width: 560px) {
  .col-name { display: none; }
  .hero-count { gap: 10px; }
}