:root {
  --bg: #fafaf7;
  --panel: #ffffff;
  --border: #e5e1d7;
  --text: #1c1c1a;
  --muted: #6b685f;
  --accent: #2d5a55;
  --accent-light: #d7eae7;
  --warn: #a14a3a;
  --done: #5a7b4e;
  --drop: #a14a3a;
  --pending: #b3a370;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Noto Sans CJK SC", "Segoe UI",
               "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.header-left { display: flex; align-items: baseline; gap: 16px; }
h1 { font-size: 16px; font-weight: 600; margin: 0; }
.progress { font-size: 13px; color: var(--muted); }

.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
#annotator {
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
  width: 100px;
}

.main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

aside#sidebar {
  width: 280px;
  border-right: 1px solid var(--border);
  background: var(--panel);
  overflow-y: auto;
  flex-shrink: 0;
}

.sidebar-filter {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}
.sidebar-filter input { margin-right: 6px; }

#bank-list {
  list-style: none;
  margin: 0;
  padding: 6px 0;
}
#bank-list li {
  padding: 8px 14px;
  border-left: 3px solid transparent;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
}
#bank-list li:hover { background: #f4efe4; }
#bank-list li.active { background: var(--accent-light); border-left-color: var(--accent); }
#bank-list li .li-code { font-weight: 500; color: var(--text); }
#bank-list li .li-title { color: var(--muted); font-size: 12px; flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
  margin-right: 6px; flex-shrink: 0;
}
.status-dot.done { background: var(--done); }
.status-dot.dropped { background: var(--drop); }
.status-dot.pending { background: var(--pending); }
.status-dot.in_progress { background: var(--accent); }

section#detail {
  flex: 1;
  overflow-y: auto;
  padding: 24px 28px 60px;
}

.placeholder {
  color: var(--muted);
  padding-top: 40px;
  text-align: center;
}

.bank-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.bank-title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

h2 { font-size: 20px; margin: 0 0 4px; font-weight: 600; }
.bank-meta { display: flex; gap: 6px; }

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--accent-light);
  color: var(--accent);
}
.tag.l1-tag { background: #e4dccb; color: #5c4d2a; }
.tag.conf-tag { background: #f0ebd9; color: #7a6a3c; }
.tag.origin-tag { background: #e4e9ec; color: #3d556b; }

.bank-desc { color: var(--text); margin: 8px 0; font-size: 13px; line-height: 1.6; }
.bank-signal { color: var(--muted); font-size: 12px; margin: 4px 0; font-family: ui-monospace, SFMono-Regular, monospace; }

audio#player {
  width: 100%;
  margin: 8px 0 20px;
}

.layer {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  margin-bottom: 14px;
}
.layer h3 { margin: 0 0 4px; font-size: 14px; font-weight: 600; }
.layer-hint { color: var(--muted); font-size: 12px; margin: 0 0 14px; }

.badge-rule {
  display: inline-block;
  font-size: 11px;
  font-weight: 400;
  background: var(--accent-light);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
}

/* Layer 2: enum radio groups */
.enum-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 16px;
  margin: 8px 0;
}
.enum-label { font-size: 13px; color: var(--muted); }
.enum-options {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.enum-chip {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  background: var(--panel);
  font-size: 12px;
  transition: all 0.12s;
}
.enum-chip:hover { background: #f4efe4; }
.enum-chip.selected {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.enum-chip.clear-chip {
  color: var(--muted);
  font-size: 11px;
  padding: 4px 8px;
}

/* Layer 3: sliders */
.slider-row {
  display: grid;
  grid-template-columns: 140px 1fr 60px;
  gap: 12px;
  align-items: center;
  margin: 10px 0;
}
.slider-label { font-size: 13px; color: var(--muted); }
.slider-label.set { color: var(--accent); font-weight: 500; }
.slider-label.has-rule::after { content: " ·rule"; font-size: 11px; opacity: 0.6; }
.slider-range {
  position: relative;
}
.slider-range input[type=range] {
  width: 100%;
}
.slider-range .slider-min, .slider-range .slider-max {
  font-size: 11px;
  color: var(--muted);
}
.slider-value {
  font-family: ui-monospace, SFMono-Regular, monospace;
  text-align: right;
  font-size: 13px;
}

/* Layer 4: function checkboxes */
.fn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 8px;
}
.fn-chip {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  background: var(--panel);
}
.fn-chip input[type=checkbox] { margin: 2px 0 0 0; flex-shrink: 0; }
.fn-chip.checked { background: var(--accent-light); border-color: var(--accent); }
.fn-chip.checked .fn-chip-label { color: var(--accent); }
.fn-chip-body { flex: 1; min-width: 0; }
.fn-chip-name {
  display: flex;
  align-items: baseline;
  gap: 6px;
  justify-content: space-between;
}
.fn-chip-label { font-weight: 500; }
.fn-chip-desc {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 3px;
}
.fn-chip .fn-source {
  font-size: 10px;
  color: var(--muted);
  padding: 1px 5px;
  border-radius: 2px;
  background: #f4efe4;
  flex-shrink: 0;
}

/* Layer 5: risk severity */
.risk-row {
  display: grid;
  grid-template-columns: 220px 1fr 120px;
  align-items: center;
  gap: 12px;
  margin: 12px 0;
}
.risk-label-wrap { min-width: 0; }
.risk-label { font-size: 13px; font-weight: 500; }
.risk-desc {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 2px;
}
.risk-label.severity-0 { color: var(--muted); font-weight: 400; }
.risk-label.severity-1, .risk-label.severity-2 { color: #7a6a3c; }
.risk-label.severity-3, .risk-label.severity-4, .risk-label.severity-5 { color: var(--warn); font-weight: 500; }

.severity-dots {
  display: flex;
  gap: 3px;
  align-items: center;
}
.severity-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--panel);
  font-size: 10px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.12s;
}
.severity-dot:hover { background: #f4efe4; }
.severity-dot.active {
  color: white;
  border: 0;
}
.severity-dot.active[data-level="1"], .severity-dot.active[data-level="2"] { background: #caa654; }
.severity-dot.active[data-level="3"], .severity-dot.active[data-level="4"] { background: var(--warn); }
.severity-dot.active[data-level="5"] { background: #6a2d22; }

.risk-extra {
  font-size: 12px;
}
.risk-extra select {
  width: 100%;
  font-size: 12px;
  padding: 3px 4px;
  border-radius: 3px;
  border: 1px solid var(--border);
}

/* Notes + drop */
#notes {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}
.drop-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  color: var(--drop);
  font-size: 13px;
  cursor: pointer;
}

/* Actions */
.actions {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  padding-bottom: 40px;
}
button {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--panel);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
button:hover { background: #f4efe4; }
button.primary { background: var(--accent); color: white; border-color: var(--accent); }
button.primary:hover { background: #22474c; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 10px 16px;
  background: var(--text);
  color: white;
  border-radius: 4px;
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.18s, transform 0.18s;
  pointer-events: none;
  z-index: 1000;
}
#toast.show {
  opacity: 1;
  transform: none;
}
#toast.error {
  background: var(--warn);
}