:root {
  --bg: #0e0f12;
  --fg: #e8e8e8;
  --muted: #888;
  --accent: #7aa2f7;
  --hit: #1a1d24;
  --border: #2a2d34;
  --topic: #2a2d34;
  --topic-active: #3d5a8a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  font-size: 16px;
  height: 100%;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 24px;
}

.search-wrap {
  position: relative;
}

.clear-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--topic);
  color: var(--muted);
  border: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clear-btn:hover {
  background: var(--accent);
  color: #0e0f12;
}

#search {
  width: 100%;
  padding: 18px 48px 18px 20px;
  font-size: 20px;
  background: var(--hit);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  outline: none;
}

#search:focus {
  border-color: var(--accent);
}

#topic-bar {
  margin: 16px 0 8px 0;
}

#topic-filter {
  width: 100%;
  background: var(--hit);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 36px 8px 12px;
  color: var(--fg);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

#topic-filter:focus {
  border-color: var(--accent);
}

#topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 16px 0;
}

.topic-chip {
  background: var(--topic);
  color: var(--muted);
  padding: 4px 4px 4px 10px;
  border-radius: 12px;
  font-size: 13px;
  cursor: pointer;
  border: none;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topic-chip:hover, .topic-chip.active {
  background: var(--topic-active);
  color: var(--fg);
}

.chip-count {
  background: rgba(0,0,0,0.25);
  color: var(--muted);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 8px;
  font-variant-numeric: tabular-nums;
}

.topic-chip.active .chip-count {
  color: var(--fg);
}

#results {
  list-style: none;
  padding: 0;
  margin: 16px 0;
}

#results li {
  padding: 12px 16px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.row-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  position: relative;
}

.copy-btn {
  position: absolute;
  left: -56px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--topic);
  color: var(--muted);
  border: none;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
  opacity: 0;
  transition: opacity 0.1s;
}

@media (max-width: 1040px) {
  .copy-btn {
    position: static;
    transform: none;
    margin-left: auto;
    align-self: center;
  }
}

#results li:hover .copy-btn,
#results li.selected .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  background: var(--accent);
  color: #0e0f12;
}

.row-detail {
  display: none;
  padding-left: 4px;
  border-left: 2px solid var(--border);
  margin-left: 4px;
  font-size: 14px;
}

#results li.expanded .row-detail {
  display: block;
}

.expand-text {
  margin: 0 0 8px 0;
  color: var(--fg);
  line-height: 1.5;
}

.detail-meta {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

.meta-label {
  color: var(--muted);
  font-weight: 600;
  margin-right: 4px;
}

.references a {
  color: var(--accent);
  text-decoration: none;
}

.references a:hover {
  text-decoration: underline;
}

#results li.selected {
  background: var(--hit);
}

#results li:hover {
  background: var(--hit);
}

.term {
  font-weight: 600;
  font-size: 17px;
}

.gloss {
  color: var(--muted);
  font-size: 15px;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.term-topics {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
}

.topic-tag {
  background: var(--topic);
  color: var(--muted);
  border: none;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}

.topic-tag:hover {
  background: var(--topic-active);
  color: var(--fg);
}

.empty {
  color: var(--muted);
  font-size: 14px;
  padding: 16px;
  text-align: center;
}

#add-zone {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

#add-toggle {
  background: none;
  border: 1px dashed var(--border);
  color: var(--muted);
  padding: 10px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 14px;
  width: 100%;
}

#add-toggle:hover {
  color: var(--fg);
  border-color: var(--accent);
}

#add-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#add-form[hidden] {
  display: none;
}

.optional {
  opacity: 0.7;
}

.hint {
  color: var(--muted);
  font-size: 12px;
  align-self: center;
  margin-left: auto;
}

#add-form input,
#add-form textarea {
  padding: 10px 12px;
  background: var(--hit);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  resize: vertical;
}

#add-form input:focus,
#add-form textarea:focus {
  border-color: var(--accent);
}

#add-more {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.more-toggle {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  text-align: left;
  padding: 4px 0;
  font-family: inherit;
}

.more-toggle:hover {
  color: var(--accent);
}

#add-form .row {
  display: flex;
  gap: 8px;
}

#add-form button {
  padding: 8px 14px;
  background: var(--accent);
  color: #0e0f12;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
}

#add-form #add-cancel {
  background: var(--topic);
  color: var(--muted);
}

#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0e0f12;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
}

footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

.footer-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}

.footer-btn:hover {
  color: var(--fg);
  border-color: var(--accent);
}