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

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-panel: #1a1d27;
  --bg-input: #252830;
  --border: #2d3040;
  --text: #e1e4ea;
  --text-dim: #8b8fa3;
  --accent: #4f8ff7;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f59e0b;
  --radius: 8px;
  --font: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Header ──────────────────────────────────────────── */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left h1 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.header-left .subtitle {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
}

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

.badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.live { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid var(--red); }
.badge.dry-run { background: rgba(245,158,11,0.15); color: var(--yellow); border: 1px solid var(--yellow); }
.badge.running { background: rgba(34,197,94,0.15); color: var(--green); border: 1px solid var(--green); }
.badge.stopped { background: rgba(139,143,163,0.15); color: var(--text-dim); border: 1px solid var(--text-dim); }
.badge.breaker { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid var(--red); }

.meta {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-family: var(--font);
}

/* ── Dashboard Nav ───────────────────────────────────── */
.dashboard-nav {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.dashboard-nav .nav-link {
  padding: 10px 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

.dashboard-nav .nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.dashboard-nav .nav-link.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ── Main Content ────────────────────────────────────── */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

/* ── Cards Grid ──────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.card-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font);
}

.card-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 2px;
  font-family: var(--font);
}

/* ── Panels ──────────────────────────────────────────── */
.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}

.panel h2 {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.count {
  background: var(--bg-input);
  color: var(--text-dim);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
  font-family: var(--font);
}

/* ── Tables ──────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

th {
  text-align: left;
  padding: 8px 12px;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid rgba(45,48,64,0.5);
  font-family: var(--font);
  font-size: 0.75rem;
  white-space: nowrap;
}

tr:hover td { background: rgba(79,143,247,0.03); }

td.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 24px;
  font-family: inherit;
}

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

.state-scanning { color: var(--text-dim); }
.state-signals { color: var(--yellow); }
.state-signals-mid { color: var(--yellow); }
.state-signals-hot { color: #fb923c; font-weight: 600; } /* orange — almost ready */
.state-position { color: var(--green); font-weight: 600; }

/* ── Sortable Table Headers ──────────────────────────── */
th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
}
th.sortable:hover { color: var(--accent); }
th.sortable .sort-arrow { font-size: 0.6rem; margin-left: 3px; opacity: 0.3; }
th.sortable .sort-arrow::after { content: '▲▼'; }
th.sortable.asc .sort-arrow { opacity: 1; }
th.sortable.asc .sort-arrow::after { content: '▲'; }
th.sortable.desc .sort-arrow { opacity: 1; }
th.sortable.desc .sort-arrow::after { content: '▼'; }

/* ── Indicator Cells ─────────────────────────────────── */
.indicator-bar {
  display: flex;
  align-items: center;
  gap: 4px;
}
.indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.indicator-dot.pass { background: var(--green); }
.indicator-dot.fail { background: var(--red); }
.indicator-dot.na { background: var(--text-dim); opacity: 0.3; }

.bb-range {
  font-size: 0.65rem;
  color: var(--text-dim);
  line-height: 1.3;
}

.table-scroll {
  overflow-x: auto;
}

.commodity-name {
  font-weight: 600;
  color: var(--text);
}
.commodity-product {
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* ── Log Viewer ──────────────────────────────────────── */
.log-container {
  max-height: 400px;
  overflow-y: auto;
  background: #0a0c10;
  padding: 12px;
}

.log-container pre {
  font-family: var(--font);
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-all;
}

.btn-small {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.65rem;
  cursor: pointer;
  margin-left: auto;
}
.btn-small:hover { border-color: var(--accent); color: var(--accent); }

/* ── Position Controls ───────────────────────────────── */
.btn-close {
  background: rgba(239,68,68,0.12);
  border: 1px solid var(--red);
  color: var(--red);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 0.65rem;
  cursor: pointer;
  font-weight: 600;
  white-space: nowrap;
}
.btn-close:hover { background: rgba(239,68,68,0.3); }
.btn-close:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-save {
  background: rgba(79,143,247,0.12);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.6rem;
  cursor: pointer;
  margin-left: 4px;
}
.btn-save:hover { background: rgba(79,143,247,0.3); }

.editable-price {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  width: 80px;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 0.7rem;
  font-family: var(--font);
  text-align: right;
}
.editable-price:focus {
  border-color: var(--accent);
  outline: none;
}
.editable-price.changed {
  border-color: var(--yellow);
  background: rgba(245,158,11,0.08);
}

.pos-actions {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.edit-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

/* ── Footer ──────────────────────────────────────────── */
footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 24px;
  font-size: 0.7rem;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  header { flex-direction: column; gap: 8px; }
  .header-right { flex-wrap: wrap; justify-content: center; }
  .dashboard-nav { justify-content: center; padding: 0 12px; }
  .dashboard-nav .nav-link { padding: 10px 16px; font-size: 0.75rem; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  table { font-size: 0.7rem; }
  td, th { padding: 6px 8px; }
}