:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --muted: #9aa2b1;
  --accent: #4f8cff;
  --accent-2: #3a6fe0;
  --green: #2fbf71;
  --red: #ff5c6c;
  --amber: #f2b134;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap {
  width: min(1000px, 100% - 2rem);
  margin-inline: auto;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #141821, #0f1115);
  padding: 1.4rem 0;
}
.brand { display: flex; align-items: center; gap: 0.9rem; }
.logo { font-size: 2.2rem; }
.site-header h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
.tagline { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* Panel */
main { padding: 2rem 0 4rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field > span { font-size: 0.85rem; color: var(--muted); font-weight: 600; }

select, input[type="text"] {
  width: 100%;
  padding: 0.7rem 0.8rem;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 1rem;
  appearance: none;
}
select:focus, input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2);
}
select:disabled { opacity: 0.5; cursor: not-allowed; }

.link-btn {
  align-self: flex-start;
  background: none;
  border: none;
  color: var(--accent);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0;
}
.link-btn:hover { text-decoration: underline; }

/* Filter */
.filter {
  margin: 1.5rem 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem 1.2rem;
}
.filter legend { padding: 0 0.5rem; color: var(--muted); font-weight: 600; font-size: 0.9rem; }
.options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}
.option {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.option:hover { border-color: #3a4353; }
.option input { margin-top: 0.25rem; accent-color: var(--accent); }
.option-body { display: flex; flex-direction: column; }
.option-body small { color: var(--muted); font-size: 0.8rem; }
.option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(79, 140, 255, 0.08);
}

/* Buttons */
button.primary, button.secondary {
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.8rem 1.4rem;
}
button.primary {
  margin-top: 1.5rem;
  width: 100%;
  background: var(--accent);
  color: white;
}
button.primary:hover { background: var(--accent-2); }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }
button.secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
}
button.secondary:hover { border-color: var(--accent); }

/* Status */
.status {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
.status.error { border-color: var(--red); color: #ffd0d5; }
.status.loading { display: flex; align-items: center; gap: 0.8rem; }
.spinner {
  width: 20px; height: 20px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Results */
.results { margin-top: 1.5rem; }
.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.results-head h2 { margin: 0; font-size: 1.15rem; }

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--panel-2); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); position: sticky; top: 0; }
tbody tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255, 255, 255, 0.02); }
td a { color: var(--accent); text-decoration: none; word-break: break-all; }
td a:hover { text-decoration: underline; }
.muted { color: var(--muted); }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}
.badge.none { background: rgba(154, 162, 177, 0.18); color: var(--muted); }
.badge.broken { background: rgba(255, 92, 108, 0.16); color: var(--red); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer a { color: var(--accent); }

.hidden { display: none !important; }