:root {
  --bg: #0f1419;
  --surface: #14202d;
  --fg: #e6e1cf;
  --accent: #36a3d9;
  --muted: #5c6773;
  --border: #273747;
  --green: #1f4c2a;
  --green-fg: #a1e4a7;
  --red: #4a1f1f;
  --red-fg: #e4a1a1;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 0;
  line-height: 1.55;
}

main, footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Top navigation */
.topnav {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}
.brand-icon {
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
}
.brand-text {
  color: var(--fg);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: 0.25rem;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: all 0.15s;
}
.nav-links a:hover {
  color: var(--fg);
  background: rgba(54, 163, 217, 0.08);
}

@media (max-width: 600px) {
  .nav-inner { flex-direction: column; gap: 0.5rem; }
  .nav-links { width: 100%; justify-content: center; }
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 2rem;
  letter-spacing: -0.01em;
}

.tagline {
  color: var(--muted);
  margin: 0;
}
.tagline a { color: var(--accent); text-decoration: none; }
.tagline a:hover { text-decoration: underline; }

h2 {
  color: var(--accent);
  margin-top: 2rem;
  font-size: 1.25rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  background: var(--surface);
  border-radius: 6px;
  overflow: hidden;
}

th, td {
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  background: var(--bg);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

tbody tr:last-child td { border-bottom: none; }

.num { text-align: right; font-variant-numeric: tabular-nums; }

td a { color: var(--accent); text-decoration: none; }
td a:hover { text-decoration: underline; }

.empty {
  color: var(--muted);
  font-style: italic;
}

code {
  background: var(--border);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.coming-soon em {
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
}

footer {
  color: var(--muted);
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  font-size: 0.9rem;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* Search form */
.search-form form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}
.search-form input[type="text"] {
  flex: 1;
  padding: 0.6rem 0.85rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
}
.search-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}
.search-form button {
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 1rem;
}
.search-form button:hover {
  filter: brightness(1.1);
}
.search-help {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.75rem 0 0;
}
.search-help a { color: var(--accent); text-decoration: none; }
.search-help a:hover { text-decoration: underline; }

/* Search results */
.match {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.match header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.match-ref {
  color: var(--accent);
  text-decoration: none;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-weight: 600;
}
.match-ref:hover { text-decoration: underline; }
.tag {
  background: var(--border);
  color: var(--fg);
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.state-open { background: #1f4c2a; color: #a1e4a7; }
.state-closed { background: #4a1f1f; color: #e4a1a1; }
.score {
  color: var(--muted);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.85rem;
}
.verdict {
  margin-left: auto;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.verdict-has_open_pr { background: #1f4c2a; color: #a1e4a7; }
.verdict-closed_with_fix { background: #1f3a4c; color: #a1c4e4; }
.verdict-reported_only { background: #4c3b1f; color: #e4c4a1; }
.verdict-likely_duplicate { background: #4c1f4c; color: #e4a1e4; }
.verdict-tangentially_related { background: #3a3a3a; color: #c0c0c0; }
.verdict-unrelated { background: #2a2a2a; color: #808080; }

.match h3 {
  margin: 0.25rem 0 0.5rem;
  font-size: 1.05rem;
  color: var(--fg);
}
.rationale, .suggestion {
  margin: 0.3rem 0;
  font-size: 0.92rem;
}
.rationale strong, .suggestion strong {
  color: var(--accent);
}
.snippet {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0.75rem 0 0;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border);
  white-space: pre-wrap;
}

.error {
  background: #4a1f1f;
  border: 1px solid #6a2f2f;
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
.error h2 { color: #e4a1a1; border: none; margin-top: 0; }
.empty-results { color: var(--muted); font-style: italic; }

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}
.filter-bar select,
.filter-bar input[type="text"] {
  padding: 0.45rem 0.7rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.9rem;
}
.filter-bar select:focus,
.filter-bar input:focus { outline: none; border-color: var(--accent); }
.filter-bar button {
  padding: 0.45rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
}

/* Issue table */
.issue-table { font-size: 0.9rem; }
.issue-table td { vertical-align: top; }
.issue-table td a { color: var(--accent); text-decoration: none; }
.issue-table td a:hover { text-decoration: underline; }
.repo-cell { font-size: 0.82rem; color: var(--muted); white-space: nowrap; }
.date-cell { font-size: 0.82rem; color: var(--muted); white-space: nowrap; }

/* Pagination */
.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.pagination a { color: var(--accent); text-decoration: none; }
.pagination a:hover { text-decoration: underline; }

/* Inline forms */
.inline-form { display: inline-flex; gap: 0.3rem; align-items: center; }
.inline-form select {
  padding: 0.2rem 0.4rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.78rem;
}
.btn-sm {
  padding: 0.15rem 0.45rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 3px;
  font-size: 0.78rem;
  cursor: pointer;
  font-weight: 600;
}
.btn-remove {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 0.3rem;
}
.btn-remove:hover { color: var(--red-fg); }
.muted { color: var(--muted); }
.muted-link { color: var(--muted); text-decoration: none; font-size: 0.82rem; }
.muted-link:hover { color: var(--accent); }

/* Breadcrumbs */
.breadcrumb {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* Issue detail */
.issue-header h2 { margin-bottom: 0.5rem; }
.issue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.9rem;
}
.label-tag { background: #2a3a4c; color: var(--accent); }
.gh-link { margin-left: auto; color: var(--accent); text-decoration: none; font-size: 0.88rem; }
.gh-link:hover { text-decoration: underline; }

.issue-body { margin-top: 1.5rem; }
.body-text {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  white-space: pre-wrap;
  font-size: 0.92rem;
  max-height: 500px;
  overflow-y: auto;
}

/* Comments */
.comment {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}
.comment-header { display: flex; gap: 0.75rem; margin-bottom: 0.5rem; font-size: 0.9rem; }
.comment-body { font-size: 0.9rem; white-space: pre-wrap; }

/* Group chips */
.group-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.5rem 0; }
.group-chip {
  background: var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.group-chip a { color: var(--accent); text-decoration: none; }
.group-chip a:hover { text-decoration: underline; }

.add-to-group-form {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  margin-top: 0.5rem;
}
.add-to-group-form select {
  padding: 0.3rem 0.5rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.85rem;
}

/* Create group form */
.create-group-form {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0;
}
.create-group-form input {
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
}
.create-group-form input:first-of-type { flex: 0 1 250px; }
.create-group-form input:nth-of-type(2) { flex: 1; }
.create-group-form input:focus { outline: none; border-color: var(--accent); }
.create-group-form button {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

/* Group cards */
.group-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-decoration: none;
  transition: border-color 0.15s;
}
.group-card:hover { border-color: var(--accent); }
.group-card h3 { margin: 0 0 0.3rem; color: var(--fg); font-size: 1.05rem; }
.group-desc { color: var(--muted); font-size: 0.88rem; margin: 0 0 0.5rem; }
.group-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
}

/* Recommendation section */
.recommendation-section { margin-top: 2rem; }
.recommendation-section h3 { color: var(--accent); }

.rec-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}
.rec-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.rec-complexity {
  padding: 0.2rem 0.65rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.complexity-easy { background: var(--green); color: var(--green-fg); }
.complexity-medium { background: #4c3b1f; color: #e4c4a1; }
.complexity-hard { background: var(--red); color: var(--red-fg); }
.rec-meta { margin-left: auto; font-size: 0.82rem; }

.rec-field { margin-bottom: 1rem; }
.rec-field strong {
  display: block;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.rec-field p { margin: 0; line-height: 1.5; }
.rec-field ul {
  margin: 0.25rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.92rem;
}

.rec-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .rec-cols { grid-template-columns: 1fr; }
}

.guideline-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.guideline-chip {
  background: var(--border);
  color: var(--fg);
  padding: 0.15rem 0.55rem;
  border-radius: 3px;
  font-size: 0.82rem;
}

.rec-actions { margin-top: 1rem; }

.btn-primary {
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn-primary:hover { filter: brightness(1.1); }

.btn-secondary {
  padding: 0.45rem 1rem;
  background: var(--border);
  color: var(--fg);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.88rem;
}
.btn-secondary:hover { background: var(--accent); color: var(--bg); }

/* Recommendation placeholder in group detail */
.recommendation-placeholder {
  margin-top: 2rem;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
}
.recommendation-placeholder h3 { color: var(--accent); margin-top: 0; border: none; }