/* Fandaws Sentinel — Stakeholder Review UI */

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-alt: #232733;
  --border: #2e3345;
  --text: #e1e4ed;
  --text-muted: #8b90a0;
  --accent: #6c8aff;
  --accent-dim: #4a5f99;
  --green: #3dd68c;
  --green-bg: rgba(61, 214, 140, 0.12);
  --red: #ff6b6b;
  --yellow: #ffd43b;
  --yellow-bg: rgba(255, 212, 59, 0.12);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --radius: 8px;
  --radius-sm: 4px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  margin-bottom: 48px;
}

.site-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.site-header .subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.badges {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge--green { background: var(--green-bg); color: var(--green); }
.badge--yellow { background: var(--yellow-bg); color: var(--yellow); }
.badge--accent { background: rgba(108, 138, 255, 0.12); color: var(--accent); }

/* Navigation */
.nav-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.nav-tab {
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}

.nav-tab:hover { color: var(--text); }
.nav-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Sections */
.section { display: none; }
.section.active { display: block; }

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.card-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Phase cards in roadmap */
.phase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.phase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  position: relative;
}

.phase-card--complete { border-left: 3px solid var(--green); }
.phase-card--not-started { border-left: 3px solid var(--border); }

.phase-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.phase-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 4px 0 8px;
}

.phase-status {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.phase-status--complete { background: var(--green-bg); color: var(--green); }
.phase-status--not-started { background: var(--surface-alt); color: var(--text-muted); }

.phase-track {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-dim);
}

.phase-description {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.4;
}

/* Mermaid diagram */
.mermaid-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  overflow-x: auto;
}

.mermaid-container pre {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: pre;
}

/* Playground */
.playground {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .playground { grid-template-columns: 1fr; }
}

.playground-input, .playground-output {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.playground label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.playground input[type="text"],
.playground textarea,
.playground select {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s;
}

.playground input:focus,
.playground textarea:focus,
.playground select:focus {
  border-color: var(--accent);
}

.playground textarea { resize: vertical; min-height: 60px; }

.field-group { margin-bottom: 14px; }

/* Pipeline steps visualization */
.pipeline-steps { margin-top: 16px; }

.pipeline-step {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}

.pipeline-step:last-child { border-bottom: none; }

.step-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-dim);
  min-width: 24px;
}

.step-label {
  color: var(--text-muted);
  min-width: 120px;
  font-size: 0.75rem;
}

.step-result {
  font-family: var(--font-mono);
  color: var(--text);
  word-break: break-all;
}

.step-result--changed { color: var(--green); }

.final-result {
  margin-top: 16px;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--green);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.final-result .result-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

/* Golden corpus table */
.corpus-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 16px;
}

.corpus-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.corpus-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.corpus-table tr { cursor: pointer; transition: background 0.1s; }
.corpus-table tr:hover { background: var(--surface-alt); }

/* Type Factory Explorer */
.factory-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.factory-output {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  color: var(--text);
  line-height: 1.5;
}

.btn {
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: #5a7aef; }

.btn--ghost {
  background: none;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn--ghost:hover { background: var(--surface-alt); color: var(--text); }

/* Test results */
.test-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.test-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}

.test-stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.test-stat-value--green { color: var(--green); }
.test-stat-value--red { color: var(--red); }
.test-stat-value--muted { color: var(--text-muted); }

.test-stat-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.suite-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.suite-table th {
  text-align: left;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.suite-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.suite-table td:first-child { font-family: var(--font-mono); font-size: 0.78rem; }

/* Footer */
.site-footer {
  margin-top: 64px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

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

/* Track legend */
.track-legend {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.track-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.track-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.track-dot--a { background: #6c8aff; }
.track-dot--b { background: #ffd43b; }
.track-dot--c { background: #ff8a65; }
.track-dot--conv { background: #f9f; }

/* Description Engine Demo */
.desc-examples {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.desc-example-btn {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  text-align: left;
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.desc-example-btn:hover {
  background: var(--surface-alt);
  color: var(--text);
  border-color: var(--accent-dim);
}

.desc-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
}

.desc-tag-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
  padding: 0;
}

.desc-tag-remove:hover { background: rgba(255, 255, 255, 0.4); }

/* ERS Register Badges */
.register-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 14px;
  letter-spacing: 0.02em;
}

.register-badge--axiomatic { background: rgba(108, 138, 255, 0.15); color: var(--accent); }
.register-badge--normative { background: var(--green-bg); color: var(--green); }
.register-badge--aspirational { background: var(--yellow-bg); color: var(--yellow); }

.ers-step { display: flex; align-items: baseline; gap: 10px; padding: 5px 0; font-size: 0.8rem; }
.ers-step-num { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700; color: var(--accent-dim); min-width: 18px; }
.ers-step-name { color: var(--text-muted); min-width: 130px; font-size: 0.75rem; }
.ers-step-result { font-family: var(--font-mono); font-size: 0.78rem; }
.ers-step-result--match { color: var(--green); }
.ers-step-result--skip { color: var(--text-muted); }
.ers-step-result--flag { color: var(--yellow); }

.ers-override-result {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
}
.ers-override-result--accepted { background: var(--green-bg); color: var(--green); border: 1px solid var(--green); }
.ers-override-result--rejected { background: rgba(255, 107, 107, 0.12); color: var(--red); border: 1px solid var(--red); }

/* Nav dropdown (ADR-004) */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform 0.15s;
}

.nav-dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  min-width: 200px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 0;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.nav-dropdown.open .nav-dropdown-menu {
  display: block;
}

.nav-dropdown-item {
  display: block;
  width: 100%;
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.nav-dropdown-item:hover {
  background: var(--surface-alt);
  color: var(--text);
}

.nav-dropdown-item.active {
  color: var(--accent);
}