/* ═══════════════════════════════════════════════════════════════
   OmniAudit — Design System
   Dark theme, OmniForge brand, editorial/terminal aesthetic
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg: #070a0e;
  --surface: #0c1017;
  --card: #111720;
  --card-hover: #161d28;
  --border: #1e2633;
  --border-strong: #2a3344;
  --text: #e4e8ed;
  --text-secondary: #8896a8;
  --text-dim: #5a6778;
  --brand: #29a2a7;
  --brand-dim: #1a7074;
  --brand-glow: rgba(41, 162, 167, 0.12);
  --green: #3fb950;
  --green-dim: rgba(63, 185, 80, 0.1);
  --yellow: #d29922;
  --yellow-dim: rgba(210, 153, 34, 0.1);
  --red: #f85149;
  --red-dim: rgba(248, 81, 73, 0.1);
  --blue: #58a6ff;
  --font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-sm: 8px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Header ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 10, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.header-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  display: flex; align-items: center; gap: 0.6rem;
  font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em;
}
.header-badge {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--brand); background: var(--brand-glow);
  padding: 0.25rem 0.7rem; border-radius: 100px;
  border: 1px solid rgba(41, 162, 167, 0.2);
}

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden;
  padding: 5rem 1.5rem 3.5rem;
  text-align: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(41, 162, 167, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(88, 166, 255, 0.03) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 800; letter-spacing: -0.035em;
  line-height: 1.15; margin-bottom: 1rem;
}
.accent { color: var(--brand); }
.hero-sub {
  color: var(--text-secondary); font-size: 1rem;
  max-width: 560px; margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* ── Input ── */
.input-group {
  display: flex; gap: 0; max-width: 520px; margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input-group:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-glow);
}
.input-wrap {
  flex: 1; display: flex; align-items: center;
  padding: 0 1rem; gap: 0.6rem;
}
.input-icon { color: var(--text-dim); flex-shrink: 0; }
.input-wrap input {
  flex: 1; border: none; background: none; outline: none;
  color: var(--text); font-family: var(--mono); font-size: 0.9rem;
  padding: 0.9rem 0; letter-spacing: 0.01em;
}
.input-wrap input::placeholder { color: var(--text-dim); }
#btn-audit {
  flex-shrink: 0;
  background: var(--brand); color: #fff; border: none;
  padding: 0 2rem; font-family: var(--font); font-weight: 700;
  font-size: 0.9rem; cursor: pointer;
  display: flex; align-items: center; gap: 0.5rem;
  transition: background 0.2s;
}
#btn-audit:hover { background: #23898d; }
#btn-audit:disabled { opacity: 0.6; cursor: not-allowed; }

.hero-hint {
  margin-top: 1rem; font-size: 0.8rem; color: var(--text-dim);
  min-height: 1.2em;
}
.hero-hint.error { color: var(--red); }

.hidden { display: none !important; }

/* ── Results ── */
.results {
  max-width: 1100px; margin: 0 auto;
  padding: 0 1.5rem 4rem;
  animation: fadeUp 0.5s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Score Section ── */
.score-section {
  display: flex; align-items: center; gap: 3rem;
  padding: 2.5rem; margin-bottom: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.score-ring-wrap { position: relative; flex-shrink: 0; }
.score-value {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem; font-weight: 800;
  font-family: var(--mono);
  letter-spacing: -0.04em;
}
.score-meta h2 {
  font-family: var(--mono); font-size: 1rem; font-weight: 500;
  color: var(--brand); margin-bottom: 0.3rem;
  word-break: break-all;
}
.score-meta p { color: var(--text-secondary); font-size: 0.9rem; }
.score-stats {
  display: flex; gap: 1.5rem; margin-top: 1rem;
}
.stat {
  display: flex; align-items: baseline; gap: 0.4rem;
}
.stat-num {
  font-family: var(--mono); font-weight: 700; font-size: 1.4rem;
}
.stat-label {
  font-size: 0.75rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.score-duration {
  margin-top: 0.8rem; font-size: 0.75rem;
  font-family: var(--mono); color: var(--text-dim);
}

/* ── Category Tabs ── */
.cat-tabs {
  display: flex; gap: 0; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.cat-tab {
  padding: 0.6rem 1.2rem;
  font-size: 0.8rem; font-weight: 600;
  color: var(--text-dim); cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  white-space: nowrap;
}
.cat-tab:hover { color: var(--text-secondary); }
.cat-tab.active { color: var(--brand); border-bottom-color: var(--brand); }
.cat-tab .cat-count {
  display: inline-block;
  font-family: var(--mono); font-size: 0.65rem; font-weight: 600;
  background: var(--border); color: var(--text-dim);
  padding: 0.1rem 0.4rem; border-radius: 100px;
  margin-left: 0.3rem;
}

/* ── Checks Grid ── */
.checks-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 0.5rem;
}

.check-card {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  gap: 1rem; align-items: start;
  padding: 1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: background 0.15s, border-color 0.15s;
}
.check-card:hover {
  background: var(--card-hover);
  border-color: var(--border-strong);
}
.check-bar {
  width: 4px; min-height: 100%; border-radius: 100px;
  align-self: stretch;
}
.check-bar.pass { background: var(--green); }
.check-bar.warn { background: var(--yellow); }
.check-bar.fail { background: var(--red); }
.check-bar.info { background: var(--blue); }

.check-body { min-width: 0; }
.check-label {
  font-weight: 600; font-size: 0.85rem;
  margin-bottom: 0.15rem;
}
.check-detail {
  font-size: 0.78rem; color: var(--text-secondary);
  line-height: 1.6; word-break: break-word;
}

.check-right {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 0.3rem; flex-shrink: 0;
}
.check-badge {
  font-family: var(--mono); font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem; border-radius: 100px;
  white-space: nowrap;
}
.check-badge.pass { background: var(--green-dim); color: var(--green); }
.check-badge.warn { background: var(--yellow-dim); color: var(--yellow); }
.check-badge.fail { background: var(--red-dim); color: var(--red); }
.check-badge.info { background: rgba(88, 166, 255, 0.1); color: var(--blue); }

.check-score {
  font-family: var(--mono); font-size: 0.7rem; color: var(--text-dim);
}

/* ── Footer ── */
.footer {
  text-align: center; padding: 2rem 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-dim);
}
.footer strong { color: var(--brand); font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero { padding: 3rem 1rem 2rem; }
  .hero h1 { font-size: 1.6rem; }
  .hero-sub { font-size: 0.9rem; }
  .input-group { flex-direction: column; border-radius: var(--radius); }
  #btn-audit { padding: 0.9rem; justify-content: center; border-radius: 0; }
  .score-section { flex-direction: column; text-align: center; gap: 1.5rem; padding: 1.5rem; }
  .score-stats { justify-content: center; }
  .check-card { grid-template-columns: 4px 1fr; }
  .check-right { flex-direction: row; align-items: center; grid-column: 2; }
}

/* ── Animations ── */
.btn-spinner { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.check-card {
  animation: cardIn 0.3s ease both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── Score badges (rendered, llm, persisted) ── */
.score-badges { display: flex; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; }
.score-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  background: var(--card); border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--text-secondary);
}
.score-badge.active { color: var(--brand); border-color: var(--brand-dim); }

/* ── LLM verdict block ── */
.llm-verdict {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(41,162,167,0.06), rgba(88,166,255,0.04));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
}
.llm-header {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.llm-icon { font-size: 1.3rem; }
.llm-header h3 {
  flex: 1;
  font-size: 1rem; font-weight: 600;
  color: var(--text);
}
.llm-score-pill {
  padding: 0.25rem 0.75rem;
  background: var(--brand-dim); color: #fff;
  border-radius: 999px;
  font-family: var(--mono); font-weight: 600;
  font-size: 0.85rem;
}
.llm-summary {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
  line-height: 1.55;
}
.llm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.llm-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}
.llm-col ul, .llm-col ol {
  padding-left: 1.1rem;
  margin: 0;
}
.llm-col li {
  font-size: 0.86rem;
  color: var(--text);
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

/* ── History panel ── */
.history-panel {
  margin-top: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.history-panel h3 {
  font-size: 0.95rem; font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.history-list { display: flex; flex-direction: column; gap: 0.5rem; }
.history-row {
  display: grid;
  grid-template-columns: 110px 1fr 70px 60px;
  align-items: center; gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--mono); font-size: 0.78rem;
}
.history-date { color: var(--text-dim); }
.history-url { color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-score { font-weight: 600; text-align: right; }
.history-score.good { color: var(--green); }
.history-score.mid  { color: var(--yellow); }
.history-score.bad  { color: var(--red); }
.history-llm { color: var(--blue); text-align: right; }
.history-row.empty { color: var(--text-dim); grid-template-columns: 1fr; }