/* ─────────────────────────────────────────────────────────────
   AI Story Companion — Shared Doc Styles · Apple-Inspired Light Theme
   ───────────────────────────────────────────────────────────── */
:root {
  /* Core palette — matches landing */
  --ink:     #0d1117;
  --ink2:    #24292f;
  --muted:   #57606a;
  --muted2:  #8c959f;
  --border:  #d0d7de;
  --bg:      #ffffff;
  --bg2:     #f6f8fa;
  --bg3:     #eef1f6;
  --accent:  #1358d0;
  --accent2: #1a73e8;
  --gold:    #d97706;
  --gold2:   #f59e0b;
  --purple:  #7c3aed;
  --green:   #16a34a;
  --red:     #dc2626;
  --shadow:  0 4px 24px rgba(0,0,0,.07), 0 1px 4px rgba(0,0,0,.05);
  --shadow2: 0 12px 40px rgba(0,0,0,.11), 0 2px 8px rgba(0,0,0,.06);
  --r:       14px;
  --font:    -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;

  /* Legacy aliases used by older doc pages */
  --white:   #0d1117;
  --gray:    #57606a;
  --gray2:   #24292f;
  --dark:    #ffffff;
  --dark2:   #f6f8fa;
  --dark3:   #eef1f6;
  --purple-light: #6d28d9;
  --purple-glow:  rgba(109,40,217,.1);
  --card:    #ffffff;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.65;
}

/* ── Canvas bg (legacy — hidden in light theme) ── */
#bg { display: none; }

/* ── Navigation ─────────────────────────────────── */
.doc-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 52px;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.07);
}
.doc-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: .84rem;
  font-weight: 600;
  display: flex; align-items: center; gap: .4rem;
  transition: color .2s;
}
.doc-nav a:hover { color: var(--ink); }
.doc-nav-title {
  font-size: .85rem;
  font-weight: 700;
  color: var(--ink2);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.doc-nav-date {
  font-size: .75rem;
  color: var(--muted);
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .2rem .8rem;
}

/* ── Layout ──────────────────────────────────────── */
.doc-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 40px 5rem;
}

/* ── Typography ──────────────────────────────────── */
.doc-tag {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .7rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(19,88,208,.08);
  border: 1px solid rgba(19,88,208,.2);
  border-radius: 100px;
  padding: .25rem .9rem;
  margin-bottom: 1.2rem;
}
.doc-tag::before { content: '✦'; font-size: .55rem; }

.doc-h1 {
  font-size: clamp(2rem,4vw,3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.04em;
  color: var(--ink);
  margin-bottom: .8rem;
}
.doc-h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.025em;
  margin: 2.8rem 0 1rem;
  color: var(--ink);
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--border);
}
.doc-h2 span { color: var(--accent); }

.doc-lead {
  color: var(--muted);
  font-size: 1rem;
  max-width: 640px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.divider {
  width: 40px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  margin: .6rem 0 2rem;
}

/* Color utilities */
.gold   { color: var(--gold); }
.purple { color: var(--purple); }
.gray   { color: var(--muted); }
.green  { color: var(--green); }
.red    { color: var(--red); }
.accent { color: var(--accent); }

/* ── Cards ───────────────────────────────────────── */
.card {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  transition: box-shadow .2s, border-color .2s, transform .2s;
}
.card:hover {
  box-shadow: var(--shadow2);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ── Grids ───────────────────────────────────────── */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.g3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; }
.g4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; }
.g5 { display: grid; grid-template-columns: repeat(5,1fr); gap: 1rem; }

/* ── Tables ──────────────────────────────────────── */
.tbl { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .87rem; }
.tbl th {
  background: var(--bg2);
  padding: .8rem 1.1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
}
.tbl td {
  padding: .75rem 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--ink2);
  vertical-align: top;
}
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:hover td { background: var(--bg2); }
.tbl tr.hl td {
  background: rgba(19,88,208,.06);
  font-weight: 700;
  color: var(--accent);
}
.tbl tr.hl td:first-child { color: var(--ink); }

/* ── Stats ───────────────────────────────────────── */
.stat-box {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  text-align: center;
  transition: box-shadow .2s, transform .2s;
}
.stat-box:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-n, .stat-box-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: .3rem;
  letter-spacing: -.03em;
}
.stat-l, .stat-box-label {
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ── Badges ──────────────────────────────────────── */
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  border-radius: 100px;
  padding: .2rem .75rem;
  background: var(--bg3);
  color: var(--muted);
  border: 1px solid var(--border);
}
.badge-green  { background: rgba(22,163,74,.1);  border-color: rgba(22,163,74,.25);  color: #15803d; }
.badge-purple { background: rgba(124,58,237,.1); border-color: rgba(124,58,237,.25); color: #6d28d9; }
.badge-gold   { background: rgba(217,119,6,.1);  border-color: rgba(217,119,6,.25);  color: #b45309; }
.badge-red    { background: rgba(220,38,38,.1);  border-color: rgba(220,38,38,.25);  color: #b91c1c; }
.badge-blue   { background: rgba(19,88,208,.1);  border-color: rgba(19,88,208,.25);  color: var(--accent); }

/* Priority badges */
.badge.red    { background: rgba(220,38,38,.1);  border-color: rgba(220,38,38,.25);  color: #b91c1c; }
.badge.purple { background: rgba(124,58,237,.1); border-color: rgba(124,58,237,.25); color: #6d28d9; }
.badge.green  { background: rgba(22,163,74,.1);  border-color: rgba(22,163,74,.25);  color: #15803d; }
.badge.gold   { background: rgba(217,119,6,.1);  border-color: rgba(217,119,6,.25);  color: #b45309; }

/* ── Info Block ──────────────────────────────────── */
.info-block {
  background: rgba(19,88,208,.05);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  font-size: .9rem;
  color: var(--ink2);
  line-height: 1.65;
}
.info-block strong { color: var(--ink); }

/* ── Phase Header ────────────────────────────────── */
.phase-hdr {
  background: var(--bg2);
  border: 1.5px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r) var(--r) 0;
  padding: 1rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  margin: 2rem 0 1rem;
}
.phase-hdr h3 { font-size: 1.05rem; font-weight: 800; color: var(--ink); }
.phase-hdr span {
  font-size: .8rem;
  color: var(--accent);
  background: rgba(19,88,208,.1);
  border-radius: 100px;
  padding: .25rem 1rem;
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .doc-wrap { padding: 72px 20px 3rem; }
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; }
  .doc-nav { padding: .7rem 1.2rem; }
  .doc-nav-date { display: none; }
  .doc-nav-title { position: static; transform: none; }
}

/* ── Fade Animation ──────────────────────────────── */
.fade { opacity: 0; transform: translateY(20px); transition: opacity .55s ease, transform .55s ease; }
.fade.in { opacity: 1; transform: none; }

/* Intersection-observer trigger script is included in each page */