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

:root {
  --bg:        #0d0f14;
  --surface:   #161a24;
  --border:    #252b3b;
  --accent:    #f97316;
  --accent2:   #3b82f6;
  --text:      #e2e8f0;
  --muted:     #64748b;
  --hot:       #ef4444;
  --warm:      #f97316;
  --cold:      #3b82f6;
  --radius:    12px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.controls label {
  color: var(--muted);
  font-size: 13px;
}

select {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 13px;
  cursor: pointer;
  margin-left: 6px;
}

.refresh-badge {
  font-size: 12px;
  font-weight: 600;
  color: #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Grid ── */
main.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px 24px;
  flex: 1;
}

@media (max-width: 900px) {
  main.grid { grid-template-columns: 1fr; }
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h2 {
  font-size: 15px;
  font-weight: 600;
}

.card-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: -8px;
}

/* ── Heat Score ── */
.heat-card {
  align-items: center;
}

.heat-gauge {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
}

.heat-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
}

.heat-center span {
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
}

.heat-center small {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.heat-label {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  padding: 8px 16px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  width: 100%;
}

.heat-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
}

.heat-stats > div {
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ── Live Feed ── */
.feed-card {
  overflow: hidden;
}

.table-wrap {
  overflow-y: auto;
  max-height: 340px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

thead th {
  background: rgba(255,255,255,0.04);
  padding: 8px 10px;
  text-align: left;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  position: sticky;
  top: 0;
}

tbody tr {
  border-top: 1px solid var(--border);
  transition: background 0.15s;
}

tbody tr:hover { background: rgba(255,255,255,0.03); }

tbody td {
  padding: 7px 10px;
  color: var(--text);
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 24px !important;
}

.badge-hot  { color: var(--hot);    font-weight: 600; }
.badge-warm { color: var(--warm);   font-weight: 600; }
.badge-cold { color: var(--cold);   }
.badge-bonus { color: #a78bfa; font-size: 11px; }

/* ── Charts ── */
.chart-wrap {
  position: relative;
  height: 240px;
}

.median-label {
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 12px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
}