:root {
  --bg: #0f1720;
  --panel: #161f2b;
  --panel-2: #1d2733;
  --accent: #5fb3a3;
  --accent-2: #e2a561;
  --text: #e7edf2;
  --text-dim: #9fb0bd;
  --border: #2a3644;
  --danger: #e2716b;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

.wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  background: linear-gradient(135deg, #14202b, #1c2b3a);
  border-bottom: 1px solid var(--border);
  padding: 36px 0 28px;
}

.site-header h1 {
  margin: 0 0 6px;
  font-size: 1.7rem;
}

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

main {
  padding: 28px 0 60px;
}

.search-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 20px;
}

.mode-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.mode-btn {
  flex: 1;
  padding: 9px 10px;
  background: var(--panel-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.92rem;
}

.mode-btn.active {
  background: var(--accent);
  color: #06201a;
  border-color: var(--accent);
  font-weight: 600;
}

#search-form {
  display: flex;
  gap: 10px;
}

#search-input {
  flex: 1;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 1rem;
}

#search-form button {
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #06201a;
  font-weight: 600;
  cursor: pointer;
}

.hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 10px 2px 0;
}

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

.result-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.result-item:hover {
  border-color: var(--accent);
}

.result-item .title {
  font-weight: 600;
}

.result-item .meta {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 4px;
}

.empty, .error, .loading {
  color: var(--text-dim);
  padding: 10px 2px;
}

.error { color: var(--danger); }

.detail {
  margin-top: 22px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
}

.detail h2 {
  margin-top: 0;
}

.detail .codes {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 18px;
}

.badge {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent-2);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.detail section {
  margin-bottom: 16px;
}

.detail h3 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 6px;
}

.detail ul {
  margin: 0;
  padding-left: 20px;
}

.detail a.browser-link {
  color: var(--accent-2);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #0c141c;
  padding: 32px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.footer-grid h2 {
  font-size: 1.05rem;
  margin-top: 0;
}

.disclaimer {
  color: var(--text-dim);
  font-size: 0.85rem;
}

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

.links li {
  margin-bottom: 8px;
}

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

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

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  #search-form { flex-direction: column; }
}

.status-line {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin: 4px 2px 0;
}

.coffee-fab {
  position: fixed;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  right: 16px;
  bottom: 16px;
  background: var(--accent-2);
  color: #2a1a0a;
  text-decoration: none;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 11px 16px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.coffee-fab:hover,
.coffee-fab:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 9px 20px rgba(0, 0, 0, 0.4);
}

.coffee-fab .coffee-icon {
  font-size: 16px;
  line-height: 1;
}

@media (max-width: 480px) {
  .coffee-fab {
    right: 12px;
    bottom: 12px;
    padding: 10px 14px;
    font-size: 13px;
  }
}

@media (min-width: 900px) {
  .coffee-fab { right: 24px; bottom: 24px; }
}

.small-note {
  color: var(--text-dim);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: 4px;
}