:root {
  --bg: #0b0f19;
  --card: #121a2b;
  --text: #e8eefc;
  --muted: #a8b3cf;
  --accent: #7aa2ff;
  --danger: #ff6b6b;
  --border: rgba(255,255,255,0.08);
}

[data-theme="light"] {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --accent: #2563eb;
  --danger: #dc2626;
  --border: rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Ubuntu', -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

.header {
  margin-bottom: 18px;
}

.header h1 {
  margin: 0 0 6px;
  font-size: 32px;
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.header-actions {
  margin-top: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}

.search {
  display: flex;
  gap: 10px;
}

.search input {
  flex: 1;
  padding: 12px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  outline: none;
}

.search input::placeholder {
  color: var(--muted);
}

.btn {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.status {
  margin: 10px 0 0;
  color: var(--muted);
  min-height: 20px;
}

.error {
  margin: 8px 0 0;
  color: var(--danger);
  min-height: 20px;
}

.grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.result-word {
  margin: 0;
  font-size: 24px;
}

.result-phonetic {
  margin: 6px 0 0;
  color: var(--muted);
}

.results-actions {
  display: flex;
  gap: 8px;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(255,107,107,0.35);
}

.result-body .hint {
  color: var(--muted);
}

.meaning {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.meaning h4 {
  margin: 0 0 6px;
  color: var(--accent);
}

.definitions {
  margin: 0;
  padding-left: 18px;
}

.definitions li {
  margin: 8px 0;
}

.example {
  color: var(--muted);
  margin-top: 6px;
  font-style: italic;
}

.synonyms {
  margin-top: 8px;
  color: var(--muted);
}

.tag {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin: 4px 6px 0 0;
  font-size: 12px;
  cursor: pointer;
}

.saved {
  display: flex;
  flex-direction: column;
  min-height: 180px;
}

.saved h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.saved-list {
  list-style: none;
  padding: 0;
  margin: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 80px;
  align-content: flex-start;
}

.saved-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text);
  background: transparent;
  font-size: 13px;
}

.saved-list li.active {
  border-color: rgba(122,162,255,0.6);
  box-shadow: 0 0 0 3px rgba(122,162,255,0.18);
}

.btn.btn-danger {
  margin-top: 12px;
  width: 100%;
}

.meaning a {
  color: var(--accent);
  text-decoration: underline;
  word-break: break-all;
}

.meaning a:hover {
  color: #5a8fff;
  text-decoration: none;
}

.footer {
  margin-top: 16px;
  color: var(--muted);
  text-align: center;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}