/* ===============================================
   AI Fidelity Study — Shared research-brand palette
   Part of Write or Wrong Professional Doctorate research
   TESSA Tools / tessa-tools.org/research
   =============================================== */

:root {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --text: #e3c598;
  --text-mute: rgba(227, 197, 152, 0.7);
  --text-dim: rgba(227, 197, 152, 0.5);
  --accent: #cf5230;         /* terracotta */
  --accent-2: #f59a44;       /* warm amber */
  --accent-2-soft: rgba(245, 154, 68, 0.15);
  --dark-accent: #6e352c;    /* dark russet */
  --olive: #6e612f;          /* olive */
  --olive-soft: rgba(110, 97, 47, 0.12);
  --card: rgba(110, 97, 47, 0.12);
  --border: rgba(227, 197, 152, 0.15);
  --danger: #cf5230;
  --success: #7ea66a;
  --warning: #f59a44;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }
.container-wide { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* --- Topbar --- */
.topbar {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.topbar a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 700;
}
.topbar a:hover { color: var(--accent); }

/* --- Hero --- */
.hero {
  padding: 2.5rem 0 2rem;
  border-bottom: 3px solid var(--olive);
  background: linear-gradient(135deg, #000 0%, rgba(110,97,47,0.15) 50%, #000 100%);
}
.hero .label {
  display: inline-block;
  background: var(--olive);
  color: #fff;
  padding: 0.25rem 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}
.hero .label-fail {
  background: var(--accent);
}
.hero .label-pass {
  background: var(--success);
}
.hero h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 0.75rem;
}
.hero h1 span { color: var(--accent-2); }
.hero .sub {
  font-size: 0.92rem;
  color: var(--text);
  max-width: 680px;
  line-height: 1.6;
  opacity: 0.9;
}
.hero .meta {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  font-size: 0.8rem;
}
.hero .meta-label {
  color: var(--accent-2);
  font-weight: 700;
  display: block;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.7rem;
}

/* --- Main sections --- */
main { padding: 2rem 0 3.5rem; }
section { margin-bottom: 2.5rem; }
h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
  padding-left: 0.85rem;
  border-left: 5px solid var(--accent);
}
h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-2);
  margin: 1.25rem 0 0.5rem;
  letter-spacing: 0.03em;
}
h4 {
  font-family: 'Poppins', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin: 1.25rem 0 0.5rem;
}
p { margin-bottom: 1rem; }
strong { color: #fff; }
a { color: var(--accent-2); }
a:hover { color: var(--accent); }

ul, ol { margin: 0.5rem 0 1rem 1.5rem; }
li { margin-bottom: 0.5rem; }

/* --- Analysis callout panels --- */
.callout {
  background: var(--olive-soft);
  border-left: 4px solid var(--accent-2);
  padding: 1.5rem 1.5rem 1rem;
  margin: 1.5rem 0;
  border-radius: 0 6px 6px 0;
}
.callout.fail {
  border-left-color: var(--accent);
  background: rgba(207, 82, 48, 0.08);
}
.callout.pass {
  border-left-color: var(--success);
  background: rgba(126, 166, 106, 0.08);
}
.callout-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}
.callout .callout-label { background: var(--olive); color: #fff; }
.callout.fail .callout-label { background: var(--accent); color: #fff; }
.callout.pass .callout-label { background: var(--success); color: #fff; }

/* --- VERAH lens cards --- */
.lens {
  background: var(--card);
  border-left: 4px solid var(--olive);
  padding: 1.5rem 1.5rem 1rem;
  margin-bottom: 1.25rem;
  border-radius: 0 6px 6px 0;
}
.lens-letter {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  width: 2.5rem;
  height: 2.5rem;
  line-height: 2.5rem;
  text-align: center;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

/* --- Prompt/code block --- */
.prompt-block {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  margin: 1rem 0;
  font-family: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  font-size: 0.82rem;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--text);
  overflow-x: auto;
  border-radius: 0 6px 6px 0;
}

/* --- Assessment body (document look) --- */
.document {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2rem 2rem 2.5rem;
  margin: 1.5rem 0;
  border-radius: 6px;
  font-size: 0.92rem;
  line-height: 1.75;
}
.document h3 {
  color: var(--accent-2);
  font-size: 1rem;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
}
.document h3:first-child { margin-top: 0; }
.document h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-top: 1.25rem;
}
.document p { margin-bottom: 0.75rem; }

/* --- Tables --- */
.scoretable {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.82rem;
}
.scoretable th, .scoretable td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border: 1px solid var(--border);
  vertical-align: top;
}
.scoretable th {
  background: var(--olive-soft);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.scoretable .pass { color: var(--success); font-weight: 700; }
.scoretable .fail { color: var(--accent); font-weight: 700; }
.scoretable .partial { color: var(--accent-2); font-weight: 700; }
.scoretable .total-row { background: var(--olive-soft); font-weight: 700; }
.scoretable .total-row td { color: #fff; }

/* --- Badge --- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 3px;
}
.badge-fail { background: var(--accent); color: #fff; }
.badge-pass { background: var(--success); color: #fff; }
.badge-partial { background: var(--accent-2); color: #000; }
.badge-neutral { background: var(--olive); color: #fff; }

/* --- Study grid (index page) --- */
.study-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}
.study-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 6px;
  transition: all 0.2s;
  text-decoration: none;
  display: block;
  color: var(--text);
}
.study-card:hover {
  border-color: var(--accent-2);
  background: var(--accent-2-soft);
  transform: translateY(-2px);
  color: var(--text);
}
.study-card h3 {
  margin-top: 0;
  color: #fff;
  text-transform: none;
  letter-spacing: 0;
}
.study-card p {
  color: var(--text-mute);
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
}
.study-card .tag {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.15rem 0.5rem;
  background: var(--olive);
  color: #fff;
  border-radius: 3px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.study-card .tag.warn { background: var(--accent); }
.study-card .tag.good { background: var(--success); }

/* --- Big numbers (findings) --- */
.findings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}
.finding {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 1.1rem;
  border-radius: 6px;
  text-align: center;
}
.finding .number {
  font-family: 'Poppins', sans-serif;
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--accent-2);
  line-height: 1;
  display: block;
  margin-bottom: 0.35rem;
}
.finding .label {
  font-size: 0.73rem;
  color: var(--text);
  line-height: 1.4;
}

/* --- Quote --- */
blockquote {
  border-left: 4px solid var(--accent);
  padding: 0.75rem 1.25rem;
  margin: 1.25rem 0;
  font-style: italic;
  color: var(--text);
  background: var(--olive-soft);
  border-radius: 0 6px 6px 0;
}
blockquote p { margin-bottom: 0.5rem; }

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

/* --- Footnote --- */
.footnote {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-mute);
  font-style: italic;
}

/* --- Back link button --- */
.back-link {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent-2);
  text-decoration: none;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 4px;
  transition: all 0.2s;
}
.back-link:hover {
  background: var(--accent);
  color: #fff;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .hero h1 { font-size: 1.7rem; }
  .hero .sub { font-size: 0.95rem; }
  h2 { font-size: 1.25rem; }
  .document { padding: 1.25rem; }
  .scoretable { font-size: 0.72rem; }
  .scoretable th, .scoretable td { padding: 0.5rem 0.6rem; }
}