/* ==========================================================================
   Surelock Homes — Case File Report Site
   Aesthetic: Dark noir evidence room / classified dossier
   ========================================================================== */

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

[hidden] { display: none !important; }

/* --- Tokens --- */
:root {
  --bg: #0b0b12;
  --bg-elevated: #13131d;
  --bg-card: #18182a;
  --bg-card-hover: #1e1e32;

  --text: #e4e0d4;
  --text-secondary: #a09e94;
  --text-muted: #6a6878;

  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.12);
  --accent-glow: rgba(212, 168, 83, 0.06);

  --red: #e04a3f;
  --red-dim: rgba(224, 74, 63, 0.12);
  --green: #3ab86e;
  --green-dim: rgba(58, 184, 110, 0.1);
  --blue: #4a8fe0;
  --amber: #d4a853;

  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(212, 168, 83, 0.2);

  --radius: 8px;
  --radius-sm: 5px;
  --radius-lg: 14px;

  --shadow-card: 0 2px 8px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.4), 0 4px 10px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(212, 168, 83, 0.06);

  --page-max: 920px;
  --page-wide: 1080px;
}

/* --- Typography --- */
body {
  font-family: "Outfit", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Grain texture overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* Ambient radial glow */
body::after {
  content: "";
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(212, 168, 83, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

h1, h2, h3, h4 {
  font-family: "Crimson Pro", Georgia, "Times New Roman", serif;
  font-weight: 600;
  line-height: 1.2;
  color: var(--text);
}

h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }

/* --- Header --- */
.header {
  position: relative;
  background: linear-gradient(180deg, #0f0f1a 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border-accent);
  padding: 0;
  z-index: 10;
}

.header__inner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 1.5rem 1.5rem 1.25rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.header__brand {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.header__title {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}

.header__title a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s;
}
.header__title a:hover { opacity: 0.8; }

.header__tagline {
  font-family: "Outfit", sans-serif;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
}

/* Decorative header rule */
.header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--page-max), 100%);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent) 30%,
    var(--accent) 70%,
    transparent 100%
  );
  opacity: 0.35;
}

/* --- Page Layout --- */
.page {
  position: relative;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  z-index: 1;
}

/* --- Back Link --- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 1.5rem;
  padding: 0.3rem 0.7rem 0.3rem 0.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}
.back-link:hover {
  border-color: var(--border-accent);
  background: var(--accent-dim);
}

/* --- Runs Grid (Index) --- */
.runs-grid {
  display: grid;
  gap: 0.65rem;
}

.run-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
  overflow: hidden;
  animation: cardReveal 0.4s ease-out both;
}

.run-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.25s;
}

.run-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-hover), var(--shadow-glow);
  transform: translateY(-2px);
}

.run-card:hover::before {
  opacity: 1;
}

/* Staggered card reveals */
.run-card:nth-child(1) { animation-delay: 0s; }
.run-card:nth-child(2) { animation-delay: 0.05s; }
.run-card:nth-child(3) { animation-delay: 0.1s; }
.run-card:nth-child(4) { animation-delay: 0.15s; }
.run-card:nth-child(5) { animation-delay: 0.2s; }
.run-card:nth-child(6) { animation-delay: 0.25s; }
.run-card:nth-child(7) { animation-delay: 0.3s; }

.run-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.run-card__query {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  line-height: 1.3;
}

.run-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.75rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.run-card__stat {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.run-card__badge {
  align-self: start;
  margin-top: 0.15rem;
}

/* --- Case Number Badge --- */
.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: "Fira Code", ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.case-badge--mode {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--border-accent);
}

/* --- Sections / Cards --- */
.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-card);
  border-left: 3px solid var(--border);
  animation: fadeSlideUp 0.35s ease-out both;
}

.section__title {
  margin: 0;
  font-family: "Crimson Pro", Georgia, serif;
  color: var(--text);
}

.section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.section > .section__title { margin-bottom: 0.85rem; }

.section--summary { border-left-color: var(--accent); }
.section--analysis {
  border-left-color: var(--accent);
  background: linear-gradient(135deg, #1a1828 0%, #16152a 100%);
}

/* Staggered sections in results */
.results-stack > *:nth-child(1) { animation-delay: 0s; }
.results-stack > *:nth-child(2) { animation-delay: 0.06s; }
.results-stack > *:nth-child(3) { animation-delay: 0.1s; }
.results-stack > *:nth-child(4) { animation-delay: 0.14s; }
.results-stack > *:nth-child(5) { animation-delay: 0.18s; }
.results-stack > *:nth-child(6) { animation-delay: 0.22s; }

.tab-panel > .section:nth-child(1) { animation-delay: 0.04s; }
.tab-panel > .section:nth-child(2) { animation-delay: 0.1s; }

/* --- KPI Strip --- */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.kpi {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.75rem;
  text-align: center;
  transition: transform 0.2s, border-color 0.2s;
}

.kpi:hover {
  transform: translateY(-2px);
  border-color: var(--border-accent);
}

.kpi__label {
  display: block;
  font-family: "Outfit", sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.kpi__value {
  display: block;
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 0.2rem;
  color: var(--text);
}

/* --- Tab Bar --- */
.tab-bar {
  display: flex;
  gap: 0.35rem;
}

.tab-btn {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.tab-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--bg-card-hover);
}

.tab-btn--active {
  background: linear-gradient(135deg, var(--accent), #b8892a);
  color: #0b0b12;
  border-color: var(--accent);
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(212, 168, 83, 0.2);
}

.tab-btn--active:hover {
  filter: brightness(1.08);
  color: #0b0b12;
}

.tab-panel {
  display: grid;
  gap: 1rem;
}

/* --- Word Count --- */
.word-count {
  font-family: "Fira Code", ui-monospace, monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* --- Query & Timestamp Display --- */
.query-display {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
  line-height: 1.25;
}

.timestamp-display {
  font-family: "Fira Code", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

/* --- Prose (Markdown) --- */
.prose { line-height: 1.8; color: var(--text-secondary); }
.prose h1 { font-size: 1.35rem; margin: 1.5rem 0 0.6rem; color: var(--text); }
.prose h2 { font-size: 1.2rem; margin: 1.3rem 0 0.5rem; color: var(--text); }
.prose h3 { font-size: 1.08rem; margin: 1rem 0 0.4rem; color: var(--text); }
.prose p { margin: 0 0 0.85rem; }
.prose ul, .prose ol { margin: 0 0 0.85rem; padding-left: 1.5rem; }
.prose li { margin: 0 0 0.35rem; }
.prose li::marker { color: var(--accent); }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 0 0.5rem 0.9rem;
  margin: 0 0 0.85rem;
  color: var(--text-muted);
  background: var(--accent-dim);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.prose code {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.86em;
  font-family: "Fira Code", ui-monospace, monospace;
  color: var(--accent);
}
.prose pre {
  background: #0a0a14;
  color: #c8c4ba;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow-x: auto;
  margin: 0 0 0.85rem;
  font-size: 0.84rem;
}
.prose pre code { background: none; padding: 0; color: inherit; }
.prose table {
  border-collapse: collapse;
  width: 100%;
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.7rem;
  text-align: left;
}
.prose th {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
  color: var(--text);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.2rem 0;
}
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: #e6be6a; }
.prose strong { font-weight: 700; color: var(--text); }
.prose em { font-style: italic; }

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font: 12px/1.55 "Fira Code", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

/* --- Badges --- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
  font-family: "Outfit", sans-serif;
  letter-spacing: 0.03em;
}
.badge--neutral { background: rgba(255,255,255,0.05); color: var(--text-muted); border: 1px solid var(--border); }
.badge--red { background: var(--red-dim); color: var(--red); border: 1px solid rgba(224,74,63,0.2); }
.badge--green { background: var(--green-dim); color: var(--green); border: 1px solid rgba(58,184,110,0.15); }
.badge--amber { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--border-accent); }

.card-grid { display: grid; gap: 0.75rem; }

.code-block {
  background: #0a0a14;
  color: #b8b4aa;
  padding: 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  margin-top: 0.4rem;
}

/* --- Placeholder --- */
.placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.92rem;
}

/* --- Results Stack --- */
.results-stack {
  display: grid;
  gap: 1rem;
}

/* --- Loading State --- */
.loading-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

.loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(212, 168, 83, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 1rem;
}

/* --- Footer --- */
.footer {
  position: relative;
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  z-index: 1;
}

.footer::before {
  content: "";
  display: block;
  width: 60px;
  height: 1px;
  background: var(--border-accent);
  margin: 0 auto 1.25rem;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}
.footer a:hover {
  text-decoration: underline;
  text-underline-offset: 2px;
}

details summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 0.88rem;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes cardReveal {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ==========================================================================
   Focus & Accessibility
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .header__inner { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .run-card { grid-template-columns: 1fr; }
  .run-card__badge { justify-self: start; }
}

@media (max-width: 480px) {
  .page { padding: 1.25rem 1rem 2.5rem; }
  .kpi-strip { grid-template-columns: 1fr; }
  .section { padding: 0.85rem; }
  .tab-bar { width: 100%; }
  .tab-btn { flex: 1; text-align: center; }
  .header__title { font-size: 1.5rem; }
}