:root { --bg:#f4f5f7; --fg:#222; --border:#e5e7eb; --card:#fff; --muted:#6b7280; --accent:#d97706; --accent-bg:#fffaf0; --accent-text:#8a4b2d; --shadow:rgba(0,0,0,.06); --highlight-bg:#fff3cd; --mint:#d7f8e5; --mint-border:#34d399; --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Helvetica, Arial, sans-serif; --font-serif: Georgia, 'Times New Roman', serif; }
[data-theme="dark"] { --bg:#0f1318; --fg:#e6e6e6; --border:#253041; --card:#141a22; --muted:#a0a7b4; --accent:#c96f00; --accent-bg:#0c1624; --accent-text:#f2c198; --shadow:rgba(0,0,0,.25); --highlight-bg:rgba(201,111,0,.2); --mint:#0b2a22; --mint-border:#34d399; --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Helvetica, Arial, sans-serif; --font-serif: Georgia, 'Times New Roman', serif; }
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
}
header {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.toolbar-left { display: flex; align-items: center; gap: 8px; }
.toolbar-title { text-align: center; font-weight: 700; }
.btn-soft { background: var(--card); border: 1px solid var(--border); }
.btn-soft:hover { background: var(--accent-bg); }
.icon-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  position: relative;
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn[disabled] { opacity: .5; cursor: not-allowed; }
.icon-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  box-shadow: 0 6px 18px var(--shadow);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
}
.icon-btn:hover::after { opacity: 1; }
main {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 0;
  height: calc(100% - 60px);
}
body[data-sidebar="hidden"] main { grid-template-columns: 1fr; }
body[data-sidebar="hidden"] aside { display: none; }
aside {
  border-right: 1px solid var(--border);
  overflow: auto;
  background: var(--card);
}
#list {
  padding: 8px;
}
.item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  cursor: pointer;
  margin-bottom: 8px;
  box-shadow: 0 1px 2px var(--shadow);
}
.item:hover {
  border-color: var(--accent);
}
.item.active {
  border-color: var(--accent);
  box-shadow: 0 4px 12px var(--shadow);
}
.item .title {
  font-weight: 600;
}
.item .id {
  color: var(--muted);
  font-size: 12px;
}
section#detail {
  padding: 16px 20px;
  overflow: auto;
}
.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.section {
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  box-shadow: 0 6px 18px var(--shadow);
}
.section > * + * { margin-top: 12px; }
.section h2 {
  font-size: 16px;
  margin: 0 0 10px;
  font-family: var(--font-sans);
}
.list {
  display: grid;
  gap: 8px;
}
.line {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
}
.line .ref {
  color: var(--muted);
}
.tokens {
  display: grid;
  gap: 12px;
}
.tokens.inline { display: block; }
.tok {
  display: inline-block;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent-bg);
  color: var(--accent-text);
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.5;
}
.tok:hover { border-color: var(--accent); }
.tok.active {
  background: var(--accent);
  color: #fff;
}
.tok-inline {
  display: inline-block;
  padding: 6px 8px;
  border-radius: 8px;
  margin: 0 3px 2px 0;
  line-height: 1.5;
  white-space: pre-wrap;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 16px;
}
.tok-inline:hover { border-color: var(--accent); background: var(--accent-bg); }
.tok-inline.active { background: var(--accent); color: #fff; }
.seg {
  display: inline-block;
  padding: 2px 4px;
  border-radius: 6px;
  margin: 0 3px 2px 0;
  line-height: 1.8;
  white-space: pre-wrap;
  font-family: var(--font-sans);
  font-size: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.seg:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
}
.seg.highlight {
  background: var(--highlight-bg);
  border: 1px dashed var(--accent);
  color: var(--accent-text);
  font-style: italic;
  font-weight: 500;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.explain {
  display: grid;
  gap: 8px;
}
.explain .row {
  display: grid;
  grid-template-columns: 64px 1fr 1fr 1fr;
  gap: 12px;
}
.explain .row .ref {
  color: var(--muted);
}
.badge {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .4px;
  font-family: var(--font-sans);
}
.box-soft {
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 16px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
}
.box-mint {
  background: var(--mint);
  border: 1px solid var(--mint-border);
  border-radius: 8px;
  padding: 16px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
}
.analog-label { font-weight: 700; margin-bottom: 6px; }
.analog-content { line-height: 1.7; }
.btn-summary {
  width: 100%;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--accent-bg);
  border: 1px dashed var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
}
.btn-summary:hover {
  background: var(--highlight-bg);
}
.summary-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  display: none;
  animation: slideDown 0.2s ease-out;
  line-height: 1.6;
}
.summary-content.show {
  display: block;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}
.empty {
  color: var(--muted);
}