:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d8bfd;
  --good: #4ade80;
  --bad: #f87171;
  --border: #2a3544;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.hidden { display: none !important; }

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.75rem 1rem 2.5rem;
}

.page-header {
  margin-bottom: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-header h1 {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: rgba(61, 139, 253, 0.2);
  color: var(--accent);
  vertical-align: middle;
}

.sub {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(280px, 1.15fr);
  gap: 1rem;
  align-items: start;
}

@media (max-width: 720px) {
  .split {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  min-height: 420px;
}

.panel-title {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.row {
  margin-bottom: 0.85rem;
}

.row.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

input {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.advanced {
  margin: 0.5rem 0 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.advanced summary {
  cursor: pointer;
  user-select: none;
  margin-bottom: 0.5rem;
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

button {
  padding: 0.55rem 1rem;
  border-radius: 6px;
  border: none;
  font-size: 0.95rem;
  cursor: pointer;
  font-family: inherit;
}

button.primary {
  background: var(--accent);
  color: #fff;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.hint {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  min-height: 1.2em;
}

.hint-note {
  margin-top: 0.35rem;
  font-size: 0.72rem;
  line-height: 1.45;
  opacity: 0.85;
}

.result-empty,
.result-loading {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 320px;
  color: var(--muted);
}

.result-empty .muted {
  font-size: 0.85rem;
  margin-top: 0.35rem;
}

.result-error {
  padding: 1rem;
  border-radius: 6px;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fecaca;
  font-size: 0.9rem;
}

.anchors {
  margin: 0 0 1.25rem;
  padding: 0;
}

.anchor-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
}

.anchor-row dt {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.anchor-row dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.pattern-summary {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.summary-chip {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.summary-chip.good { border-color: rgba(74, 222, 128, 0.35); }
.summary-chip.bad { border-color: rgba(248, 113, 113, 0.35); }

.pattern-section {
  margin-bottom: 1.25rem;
}

.pattern-section.collapsed {
  display: none;
}

.section-label {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border);
}

.good-label { color: var(--good); }
.bad-label { color: var(--bad); }

.pattern-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pattern-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.35rem;
  border: none;
  border-bottom: 1px solid rgba(42, 53, 68, 0.6);
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}

.pattern-item:hover {
  background: rgba(61, 139, 253, 0.08);
}

.pattern-item:active {
  background: rgba(61, 139, 253, 0.15);
}

.pattern-item .mark {
  flex-shrink: 0;
  width: 1.1rem;
  font-weight: 700;
}

.pattern-item.good .mark { color: var(--good); }
.pattern-item.bad .mark { color: var(--bad); }

.pattern-item .name {
  flex: 1;
}

footer {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}

footer code {
  background: var(--panel);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.debug-panel {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
}

.debug-panel h3 {
  margin: 0 0 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.debug-hint {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.daily-four {
  margin-bottom: 0.75rem;
}

.four-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.four-grid > div {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem;
  text-align: center;
}

.four-label {
  display: block;
  font-size: 0.65rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.four-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 0.15rem;
}

.four-val.ok { color: var(--good); }
.four-val.warn { color: var(--bad); }

.funnel-chart {
  margin: 0 0 0.75rem;
  padding: 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
}

.debug-panel pre {
  margin: 0;
  font-size: 0.75rem;
  max-height: 200px;
  overflow: auto;
  white-space: pre-wrap;
}

.debug-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}