/* ============================================================
   The No-Regret Life — seri 4 volume
   Zero-dependency stylesheet. Fonts: EB Garamond + Inter + JetBrains Mono
   ============================================================ */

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

:root {
  --ink: #14181A;
  --ink-soft: #333A3D;
  --muted: #6B7280;
  --paper: #FFFFFF;
  --paper-soft: #FBF8F2;
  --paper-bright: #FCFAF6;
  --paper-card: #FFFFFF;
  --line: #E4DFD4;
  --line-soft: #EFEADF;
  --shadow: 0 1px 2px rgba(20, 24, 26, 0.05), 0 8px 24px rgba(20, 24, 26, 0.07);

  /* Default accent = Volume I. Overridden per volume below. */
  --accent: #0E5C54;
  --accent-deep: #0A4740;
  --accent-soft: #EAF2F0;

  --danger: #B3261E;
  --danger-soft: #FCEDEC;

  --font-display: "Inter", "Helvetica Neue", system-ui, sans-serif;
  --font-body: "EB Garamond", "Iowan Old Style", Georgia, serif;
  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}

body[data-volume="v2"] { --accent: #7A4E2E; --accent-deep: #5D3A21; --accent-soft: #F5EFE9; }
body[data-volume="v3"] { --accent: #9C3D5E; --accent-deep: #7A2F49; --accent-soft: #F8EDF1; }
body[data-volume="v4"] { --accent: #5B4B8A; --accent-deep: #443873; --accent-soft: #EFEDF6; }
body[data-volume="apx"] { --accent: #4A5560; --accent-deep: #333C44; --accent-soft: #EEF1F3; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

a { color: var(--accent-deep); text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
a:hover { text-decoration-color: currentColor; }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--paper-soft);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }

/* ---------- layout ---------- */

.wrap { width: min(1120px, calc(100% - 48px)); margin-inline: auto; }
.wrap-narrow { width: min(720px, calc(100% - 48px)); margin-inline: auto; }

main > section { padding-block: 76px; }
main > section.band { background: var(--paper-soft); border-block: 1px solid var(--line-soft); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 16px;
}
h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.18rem; font-weight: 700; }

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

.kicker {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
.kicker a { color: inherit; }

.lead {
  font-size: 1.14rem;
  line-height: 1.62;
  color: var(--ink-soft);
  max-width: 62ch;
}
.lead strong { color: var(--ink); }

/* ---------- topbar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 62px;
  padding-block: 10px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand-mark { width: 26px; height: 26px; display: block; }
.nav { display: flex; gap: 22px; font-family: var(--font-ui); font-size: 0.82rem; font-weight: 600; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--accent); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 30%, transparent); }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-deep); }

/* ---------- hero ---------- */

.hero { padding-block: 68px 76px; background: linear-gradient(180deg, var(--accent-soft) 0%, var(--paper) 100%); border-bottom: 1px solid var(--line-soft); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero-sub {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 500;
  color: var(--accent-deep);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 16px; }
.hero-note { font-family: var(--font-mono); font-size: 0.76rem; color: var(--muted); letter-spacing: 0.02em; }

.hero-art { display: flex; flex-direction: column; gap: 10px; }
.hero-slab {
  display: flex;
  align-items: baseline;
  gap: 14px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--vc);
  border-radius: 10px;
  padding: 16px 20px;
  box-shadow: var(--shadow);
}
.hero-slab span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--vc); font-weight: 700; letter-spacing: 0.08em; }
.hero-slab strong { font-family: var(--font-display); font-size: 1.02rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }

/* ---------- picker (first thing on the landing page) ---------- */

.picker {
  --vc: var(--accent);
  padding-block: 64px 56px;
  background: linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line-soft);
}
.picker h1 { margin-bottom: 12px; }
.picker-sub {
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 500;
  color: var(--ink-soft);
  margin: 0 0 34px;
  letter-spacing: -0.01em;
}

.pick-form { display: flex; flex-direction: column; gap: 28px; max-width: 720px; }
.pick-form fieldset { border: 0; margin: 0; padding: 0; }
.pick-form legend {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  padding: 0;
}
.pick-opts { display: flex; gap: 12px; flex-wrap: wrap; }

.pick-opt {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 24px;
  min-width: 150px;
  text-align: left;
  transition: border-color 0.12s ease, background 0.12s ease, transform 0.12s ease;
}
.pick-opt:hover { border-color: var(--vc); transform: translateY(-2px); }
.pick-opt:focus-visible { outline: 2px solid var(--vc); outline-offset: 2px; }
.pick-opt[aria-pressed="true"] {
  border-color: var(--vc);
  background: color-mix(in srgb, var(--vc) 10%, var(--paper-card));
  box-shadow: inset 0 0 0 1px var(--vc);
}
.pick-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--vc);
  margin-bottom: 4px;
}
.pick-label { display: block; font-size: 1rem; }
.pick-hint {
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--muted);
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

/* ---------- picked result ---------- */

/* The band owns the page padding; the card lives inside a standard .wrap so
   it lines up with every other section instead of running to the screen edge. */
.picked-band {
  --vc: var(--accent);
  padding-block: 48px 56px;
  background: var(--paper-soft);
  border-bottom: 1px solid var(--line-soft);
}

.picked {
  --vc: var(--accent);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--vc);
  border-radius: 12px;
  padding: 36px 40px;
  box-shadow: var(--shadow);
}
.picked[hidden] { display: none; }
.picked-head h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  color: var(--vc);
  margin-bottom: 6px;
}
.picked-sub {
  font-family: var(--font-ui);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--vc);
  margin: 0 0 18px;
}
.picked-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 26px 0 14px; }
.picked-cta .btn-primary { background: var(--vc); box-shadow: 0 2px 8px color-mix(in srgb, var(--vc) 30%, transparent); }
.picked-cta .btn-primary:hover { background: color-mix(in srgb, var(--vc) 85%, #000); }
.picked-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 2px solid color-mix(in srgb, var(--vc) 22%, transparent);
}
.picked-list { list-style: none; margin: 0; padding: 0; }
.picked-list li { border-bottom: 1px solid var(--line-soft); }
.picked-list li:last-child { border-bottom: 0; }
.picked-list a {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 10px 2px;
  text-decoration: none;
  color: inherit;
}
.picked-list a:hover .idx-title { color: var(--vc); }
.picked-list .idx-no { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); min-width: 48px; }
.picked-list .idx-title { font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; letter-spacing: -0.01em; }

/* ---------- volume cards ---------- */

.vol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 36px; }
.vol-card {
  display: flex;
  flex-direction: column;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--vc);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}
.vol-card:hover { transform: translateY(-3px); box-shadow: 0 4px 12px rgba(20,24,26,0.08), 0 16px 36px rgba(20,24,26,0.10); }
.vol-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.vol-roman { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; color: var(--vc); text-transform: uppercase; }
.vol-count { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); }
.vol-card h3 { font-size: 1.32rem; margin-bottom: 4px; letter-spacing: -0.02em; }
.vol-sub { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; color: var(--vc); margin: 0 0 12px; }
.vol-blurb { font-size: 0.98rem; color: var(--ink-soft); margin: 0 0 20px; flex: 1; }
.vol-foot { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-ui); font-size: 0.76rem; color: var(--muted); padding-top: 14px; border-top: 1px solid var(--line-soft); }
.vol-go { font-weight: 700; color: var(--vc); }

/* ---------- pillars ---------- */

.pillar-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-top: 32px; }
.pillar { background: var(--paper-card); border: 1px solid var(--line); border-radius: 10px; padding: 20px; }
.pillar-name { font-family: var(--font-display); font-size: 0.8rem; font-weight: 800; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 8px; }
.pillar p { font-size: 0.94rem; color: var(--ink-soft); margin: 0; }

/* ---------- matrix ---------- */

.matrix { display: grid; gap: 12px; margin-top: 32px; }
.matrix-head { display: grid; grid-template-columns: 130px 1fr 1fr; gap: 12px; }
.matrix-head-cell {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0 16px 4px;
}
.matrix-row { display: grid; grid-template-columns: 130px 1fr 1fr; gap: 12px; align-items: stretch; }
.matrix-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  font-family: var(--font-ui);
  padding: 18px 16px;
  background: var(--paper-soft);
  border-left: 4px solid var(--vc);
  border-radius: 8px;
}
.matrix-label strong { font-size: 0.92rem; font-weight: 800; color: var(--ink); }
.matrix-cell {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--ink-soft);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.matrix-cell a { text-decoration: none; color: inherit; display: block; }
.matrix-cell a strong { display: block; font-size: 0.74rem; letter-spacing: 0.06em; color: var(--accent); text-transform: uppercase; }
.matrix-cell a span { font-family: var(--font-display); font-size: 1.06rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.matrix-cell a:hover span { color: var(--accent-deep); }
.matrix-cell small { font-size: 0.76rem; color: var(--muted); }
.matrix-foot { font-family: var(--font-ui); font-size: 0.8rem; color: var(--muted); margin-top: 18px; }

/* ---------- rules ---------- */

.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin: 32px 0 0; }
.rule { background: var(--paper-card); border: 1px solid var(--line); border-radius: 10px; padding: 22px; }
.rule-n { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; color: var(--accent); margin-bottom: 10px; }
.rule h3 { font-size: 1rem; margin-bottom: 8px; }
.rule p { font-size: 0.94rem; color: var(--ink-soft); margin: 0; }
.footnote { font-size: 0.88rem; color: var(--muted); margin-top: 28px; }
.rulechip {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 4px;
  background: var(--accent-soft); color: var(--accent-deep);
  font-size: 0.72rem; font-family: var(--font-mono);
}

/* ---------- volume head ---------- */

.vol-head { padding-block: 64px 56px; border-bottom: 1px solid var(--line-soft); background: linear-gradient(180deg, color-mix(in srgb, var(--vc) 8%, var(--paper)) 0%, var(--paper) 100%); }
.vol-head h1 { margin-bottom: 8px; }
.vol-head-sub { font-family: var(--font-display); font-size: 1.16rem; font-weight: 600; color: var(--vc); margin: 0 0 18px; }
.vol-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line); }
.vol-facts > div { display: flex; flex-direction: column; gap: 4px; }
.vol-facts span { font-family: var(--font-ui); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.vol-facts strong { font-family: var(--font-ui); font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.vol-facts a { color: var(--vc); font-weight: 700; }

/* ---------- toc ---------- */

.toc { display: grid; gap: 28px; }
.toc-part .label {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 10px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--accent-soft);
}
.idx-list { list-style: none; margin: 0; padding: 0; }
.idx-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--line-soft);
}
.idx-list li a { display: flex; align-items: baseline; gap: 14px; text-decoration: none; color: inherit; }
.idx-list li a:hover .idx-title { color: var(--accent-deep); }
.idx-no { font-family: var(--font-mono); font-size: 0.74rem; color: var(--muted); min-width: 52px; }
.idx-title { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.idx-flag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--muted);
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 7px;
  margin-left: 10px;
  white-space: nowrap;
}
.idx-list li.todo .idx-title { color: var(--muted); font-weight: 500; }
.idx-pillar {
  font-family: var(--font-ui);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 3px 8px;
  white-space: nowrap;
}
.toc-appendix { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.toc-appendix strong { font-family: var(--font-ui); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 12px; }
.toc-appendix ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 8px 24px; }
.toc-appendix a { font-size: 0.94rem; text-decoration: none; color: var(--ink-soft); }
.toc-appendix a:hover { color: var(--accent-deep); }
.toc-appendix strong { display: inline; }

/* ---------- chapter page ---------- */

.chapter-main { padding-block: 48px 72px; }
.kicker a { color: var(--accent); text-decoration: none; }
.ch-no { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700; color: var(--muted); letter-spacing: 0.06em; margin: 0 0 8px; text-transform: uppercase; }
.ch-words { color: var(--muted); font-weight: 400; text-transform: none; }
.ch-title { font-size: clamp(1.85rem, 4.4vw, 2.7rem); margin-bottom: 30px; letter-spacing: -0.03em; }

.chapter-body { font-size: 1.06rem; }
.chapter-body h2 { font-size: 1.36rem; margin: 40px 0 14px; letter-spacing: -0.02em; }
.chapter-body h3 { font-size: 1.1rem; margin: 30px 0 10px; }
.chapter-body ul, .chapter-body ol { margin: 0 0 20px; padding-left: 24px; }
.chapter-body li { margin-bottom: 8px; }
.chapter-body blockquote { margin: 0 0 22px; padding-left: 18px; border-left: 3px solid var(--line); color: var(--ink-soft); font-style: italic; }
.chapter-body blockquote p { margin: 0 0 8px; }
.chapter-body pre { background: var(--paper-soft); border: 1px solid var(--line); border-radius: 8px; padding: 16px; overflow-x: auto; font-size: 0.86rem; }

/* tables */
.tbl-wrap { overflow-x: auto; margin: 0 0 24px; -webkit-overflow-scrolling: touch; }
.chapter-table { width: 100%; border-collapse: collapse; font-family: var(--font-ui); font-size: 0.86rem; }
.chapter-table th {
  text-align: left;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  background: var(--accent-soft);
  padding: 10px 14px;
  border-bottom: 2px solid color-mix(in srgb, var(--accent) 25%, transparent);
  white-space: nowrap;
}
.chapter-table td { padding: 11px 14px; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); vertical-align: top; }
.chapter-table tr:last-child td { border-bottom: 0; }
.chapter-table tbody tr:hover { background: var(--paper-soft); }

/* ---------- repeating boxes ---------- */

.ebox {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: var(--paper-bright);
  padding: 18px 22px;
  margin: 0 0 24px;
}
.ebox .label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 10px;
}
.ebox-icon { font-size: 0.8rem; line-height: 1; }
.ebox p { margin: 0 0 10px; font-size: 0.99rem; }
.ebox p:last-child { margin-bottom: 0; }
.ebox ul, .ebox ol { margin: 0 0 8px; padding-left: 22px; }
.ebox li { font-size: 0.99rem; margin-bottom: 6px; }

.ebox.bottom { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); border-left-width: 5px; }
.ebox.bottom .label { color: var(--accent-deep); }
.ebox.bottom li { font-weight: 500; }

.ebox.red { background: var(--danger-soft); border-color: color-mix(in srgb, var(--danger) 30%, transparent); border-left-color: var(--danger); }
.ebox.red .label { color: var(--danger); }

.ebox.start { background: #F2F7EE; border-color: #D8E5CE; border-left-color: #4E7A3A; }
.ebox.start .label { color: #3C5F2C; }

.ebox.branch { background: var(--paper-soft); border-style: dashed; border-left-style: solid; }
.ebox.branch .label { color: var(--ink-soft); }

.ebox.faith { background: #FAF6EC; border-color: #EADFC4; border-left-color: #B08A2E; }
.ebox.faith .label { color: #8A6A18; }

.ebox.gap { background: #F5F1F8; border-color: #E2D8EC; border-left-color: #6B4E9E; }
.ebox.gap .label { color: #563B84; }

.ebox.rule { background: #FFFDF5; border-color: #F0E4C0; border-left-color: #C9A227; }
.ebox.rule .label { color: #8A6A18; }

.ebox.note { background: var(--paper-bright); border-left-color: #7A6A55; }
.ebox.note .label { color: #5C5142; }

.ebox.myth { background: var(--paper-bright); border-left-color: #6B7280; }
.ebox.math { background: #F7F9FA; border-left-color: #2C5F7C; }
.ebox.other { background: var(--paper-bright); border-left-color: #8A8A8A; }
.ebox.field { background: var(--paper-soft); border-left-color: #7A6A55; }
.ebox.straight { background: var(--paper-bright); border-left-color: var(--accent); }

/* ---------- placeholder ---------- */

.coming {
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: var(--paper-soft);
  padding: 32px;
  margin: 0 0 32px;
}
.coming-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  margin-bottom: 18px;
}
.coming h2 { font-size: 1.3rem; margin-bottom: 12px; }
.coming h3 { font-size: 0.78rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin: 24px 0 8px; }
.coming p { font-size: 1rem; color: var(--ink-soft); }
.coming-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px; margin: 24px 0 4px; padding-top: 20px; border-top: 1px solid var(--line); }
.coming-meta > div { display: flex; flex-direction: column; gap: 3px; }
.coming-meta span { font-family: var(--font-ui); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.coming-meta strong { font-family: var(--font-ui); font-size: 0.88rem; color: var(--ink); }
.coming-note { padding-top: 18px; margin-top: 20px; border-top: 1px solid var(--line); font-size: 0.94rem; color: var(--muted); }

/* ---------- pager ---------- */

.pg-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 48px 0 24px; }
.pg-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  background: var(--paper-card);
  transition: border-color 0.12s ease, transform 0.12s ease;
}
.pg-nav:hover { border-color: var(--accent); transform: translateY(-2px); }
.pg-nav.next { text-align: right; }
.pg-nav span { font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); letter-spacing: 0.06em; }
.pg-nav strong { font-family: var(--font-display); font-size: 0.94rem; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; line-height: 1.3; }
.ch-back { margin-top: 20px; }

/* ---------- outline page ---------- */

.oc-legend { font-family: var(--font-ui); font-size: 0.82rem; color: var(--muted); margin-bottom: 28px; }
.oc-vol { margin-bottom: 44px; border-left: 4px solid var(--vc); padding-left: 22px; }
.oc-vol-head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.oc-vol-head h3 { font-size: 1.24rem; margin: 0; }
.oc-vol-head span { font-family: var(--font-ui); font-size: 0.8rem; font-weight: 600; color: var(--vc); }
.oc-part { margin-bottom: 26px; }
.oc-part h4 {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}
.oc-table { width: 100%; border-collapse: collapse; font-family: var(--font-ui); font-size: 0.84rem; }
.oc-table th {
  text-align: left;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 12px;
  border-bottom: 2px solid var(--line);
  white-space: nowrap;
}
.oc-table td { padding: 11px 12px; border-bottom: 1px solid var(--line-soft); color: var(--ink-soft); vertical-align: top; }
.oc-no { font-family: var(--font-mono); color: var(--muted); width: 34px; }
.oc-title a { text-decoration: none; color: var(--ink); font-weight: 600; }
.oc-title a:hover { color: var(--vc); }
.oc-brief { max-width: 420px; color: var(--muted) !important; }
.oc-st { font-family: var(--font-mono); font-size: 0.72rem; white-space: nowrap; }
.oc-st.ok { color: #3C7A4E; }
.oc-st.todo { color: #A08A3E; }
.doc-list { font-family: var(--font-ui); font-size: 0.94rem; color: var(--ink-soft); line-height: 2; padding-left: 20px; }

/* ---------- footer ---------- */

footer { border-top: 1px solid var(--line); background: var(--paper-soft); padding-block: 40px 48px; margin-top: 0; }
.foot-grid { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-family: var(--font-ui); font-size: 0.82rem; color: var(--muted); }
.foot-grid .nav { gap: 18px; }
.foot-disclaimer { font-family: var(--font-ui); font-size: 0.78rem; line-height: 1.62; color: var(--muted); margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line-soft); max-width: 78ch; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-art { order: -1; }
  .picked { grid-template-columns: 1fr; gap: 32px; }
  .matrix-head { display: none; }
  .matrix-row { grid-template-columns: 1fr; gap: 8px; }
  .matrix-label { flex-direction: row; align-items: baseline; gap: 10px; padding: 12px 16px; }
}

@media (max-width: 640px) {
  body { font-size: 17px; }
  .wrap, .wrap-narrow { width: calc(100% - 32px); }
  main > section { padding-block: 52px; }
  .topbar-inner { min-height: 56px; gap: 12px; }
  .brand-name { font-size: 0.86rem; }
  .nav { gap: 14px; font-size: 0.76rem; }
  .pg-pager { grid-template-columns: 1fr; }
  .pg-nav.next { text-align: left; }
  .idx-list li { grid-template-columns: 1fr; gap: 6px; }
  .idx-pillar { justify-self: start; }
  .idx-list li a { flex-wrap: wrap; }
  .coming { padding: 24px 20px; }
  .chapter-body h2 { font-size: 1.22rem; }
  .vol-card { padding: 20px; }
  .foot-grid { flex-direction: column; align-items: flex-start; gap: 14px; }
  .oc-brief { display: none; }
  .picker { padding-block: 44px 40px; }
  .pick-opts { flex-direction: column; }
  .pick-opt { width: 100%; min-width: 0; padding: 12px 18px; }
  .pick-opt[data-group="gender"] { flex-direction: row; align-items: center; }
  .picked { padding: 28px 20px; gap: 28px; }
  .picked-cta .btn { width: 100%; }
}

@media print {
  .topbar, footer, .pg-pager, .ch-back, .hero-cta { display: none; }
  body { font-size: 11pt; }
  .ebox { break-inside: avoid; }
  .chapter-table { font-size: 9pt; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}