/* ============================================================
   Playbook shell — 站点层级布局（基于 tokens.css）
   结构:
     <body>
       <div class="shell">
         <aside class="side"> ... 章节导航 ... </aside>
         <main class="content">
           <header class="topbar"> ... </header>
           <article class="doc"> ... 正文 ... </article>
         </main>
       </div>
   ============================================================ */

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-bg-app);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--color-text-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Shell ──────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────── */
.side {
  position: sticky; top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--color-bg-subtle);
  border-right: 1px solid var(--color-border-default);
  padding: 20px 14px;
}
.side__brand {
  display: flex; flex-direction: column; gap: 4px;
  padding: 10px 10px 18px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 12px;
}
.side__brand h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: 0.3px;
}
.side__brand .tagline {
  margin: 0;
  font-size: 12px;
  color: var(--color-text-tertiary);
  font-weight: 400;
}
.side__section {
  padding: 10px 10px 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-tertiary);
  font-weight: 600;
}
.side ul {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.side a.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--motion-fast);
}
.side a.nav-link:hover {
  background: var(--color-bg-muted);
  color: var(--color-text-primary);
  text-decoration: none;
}
.side a.nav-link.is-active {
  background: var(--color-brand-soft);
  color: var(--color-brand-ink);
  font-weight: 600;
}
.side a.nav-link .num {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 4px;
  background: var(--color-bg-muted);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}
.side a.nav-link.is-active .num {
  background: var(--color-brand-primary);
  color: #fff;
}

/* ── Topbar ─────────────────────────────────── */
.topbar {
  position: sticky; top: 0;
  z-index: var(--z-sticky);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  background: var(--color-bg-surface);
  border-bottom: 1px solid var(--color-border-default);
}
.topbar__crumb {
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.topbar__crumb strong {
  color: var(--color-text-primary);
  font-weight: 600;
}
.topbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-btn {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 14px;
}
.theme-btn:hover { background: var(--color-bg-muted); color: var(--color-text-primary); }

/* ── Doc body ───────────────────────────────── */
.doc {
  max-width: 920px;
  margin: 0 auto;
  padding: 36px 32px 80px;
}

.doc h1 {
  margin: 0 0 6px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.doc .doc-sub {
  margin: 0 0 32px;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.doc h2 {
  margin: 44px 0 14px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.doc h3 {
  margin: 26px 0 10px;
  font-size: 16px;
  font-weight: 600;
}
.doc h4 {
  margin: 18px 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}
.doc p, .doc li {
  line-height: var(--leading-loose);
  color: var(--color-text-primary);
}
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { margin: 0 0 16px; padding-left: 22px; }
.doc li { margin-bottom: 4px; }
.doc code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 2px 5px;
  background: var(--color-bg-muted);
  border-radius: 4px;
  color: var(--color-text-primary);
}
.doc pre {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  padding: 14px 16px;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0 0 18px;
}
.doc pre code { background: transparent; padding: 0; }
.doc hr { border: 0; border-top: 1px solid var(--color-border-subtle); margin: 32px 0; }
.doc blockquote {
  margin: 0 0 16px;
  padding: 10px 16px;
  border-left: 3px solid var(--color-brand-primary);
  background: var(--color-brand-soft);
  color: var(--color-brand-ink);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 13.5px;
}

/* ── KPI cards (Notion muted) ───────────────── */
.kpi-grid {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
}
.kpi-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpi-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 780px) {
  .kpi-grid-3, .kpi-grid-4, .kpi-grid-5 { grid-template-columns: repeat(2, 1fr); }
}
.kpi-card {
  padding: 14px 16px;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  background: var(--color-bg-surface);
  display: flex; flex-direction: column; gap: 4px;
}
.kpi-card .v {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.kpi-card .l {
  font-size: 12px;
  color: var(--color-text-secondary);
}
.kpi-card .foot {
  font-size: 11.5px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}
.kpi-card.tint-blue   { background: var(--color-kpi-blue);   color: var(--color-kpi-blue-ink); border-color: transparent; }
.kpi-card.tint-blue .v,.kpi-card.tint-blue .l { color: var(--color-kpi-blue-ink); }
.kpi-card.tint-green  { background: var(--color-kpi-green);  color: var(--color-kpi-green-ink); border-color: transparent; }
.kpi-card.tint-green .v,.kpi-card.tint-green .l { color: var(--color-kpi-green-ink); }
.kpi-card.tint-purple { background: var(--color-kpi-purple); color: var(--color-kpi-purple-ink); border-color: transparent; }
.kpi-card.tint-purple .v,.kpi-card.tint-purple .l { color: var(--color-kpi-purple-ink); }
.kpi-card.tint-amber  { background: var(--color-kpi-amber);  color: var(--color-kpi-amber-ink); border-color: transparent; }
.kpi-card.tint-amber .v,.kpi-card.tint-amber .l { color: var(--color-kpi-amber-ink); }
.kpi-card.tint-rose   { background: var(--color-kpi-rose);   color: var(--color-kpi-rose-ink); border-color: transparent; }
.kpi-card.tint-rose .v,.kpi-card.tint-rose .l { color: var(--color-kpi-rose-ink); }

/* ── Callout ────────────────────────────────── */
.callout {
  margin: 12px 0 16px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border-left: 3px solid;
  font-size: 13.5px;
  line-height: 1.65;
}
.callout strong { font-weight: 600; }
.callout.c-info   { background: var(--color-info-soft);    border-color: var(--color-info);    color: var(--color-info-ink); }
.callout.c-warn   { background: var(--color-warn-soft);    border-color: var(--color-warn);    color: var(--color-warn-ink); }
.callout.c-danger { background: var(--color-danger-soft);  border-color: var(--color-danger);  color: var(--color-danger-ink); }
.callout.c-ok     { background: var(--color-success-soft); border-color: var(--color-success); color: var(--color-success-ink); }

/* ── Data table ─────────────────────────────── */
.tbl {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 13px;
  margin: 0 0 16px;
}
.tbl thead th {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: left;
  padding: 10px 12px;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-default);
}
.tbl tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border-subtle);
  vertical-align: top;
}
.tbl tbody tr:hover { background: var(--color-bg-muted); }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ── Chip / Badge ───────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}
.chip.flow   { background: var(--color-kpi-blue);  color: var(--color-kpi-blue-ink); }
.chip.high   { background: var(--color-kpi-green); color: var(--color-kpi-green-ink); }
.chip.mid    { background: var(--color-kpi-amber); color: var(--color-kpi-amber-ink); }
.chip.brand  { background: var(--color-kpi-purple);color: var(--color-kpi-purple-ink); }
.chip.neu    { background: var(--color-neutral-soft); color: var(--color-neutral-ink); }
.chip.rose   { background: var(--color-kpi-rose);  color: var(--color-kpi-rose-ink); }

/* ── Role card ──────────────────────────────── */
.role-card {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  margin: 0 0 16px;
  background: var(--color-bg-surface);
}
.role-card .role-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--color-border-subtle);
}
.role-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.role-card .report-to {
  font-size: 11.5px;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}
.role-card .role-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 0;
}
.role-card .role-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
  margin-top: 10px;
}
@media (max-width: 700px) {
  .role-card .role-grid { grid-template-columns: 1fr; }
}
.role-card .rg h4 {
  margin: 0 0 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-tertiary);
  font-weight: 600;
}
.role-card .rg ul {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.7;
}
.role-card .rg ul li { color: var(--color-text-primary); margin-bottom: 2px; }

/* ── Timeline / phase ───────────────────────── */
.phase {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  margin: 0 0 18px;
  overflow: hidden;
  background: var(--color-bg-surface);
}
.phase__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}
.phase__head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.phase__head .range {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}
.phase__body { padding: 14px 18px; }
.phase__body ul { margin: 0; padding-left: 18px; font-size: 13.5px; line-height: 1.7; }
.phase__body ul li { margin-bottom: 4px; }
.phase__body strong { color: var(--color-text-primary); font-weight: 600; }

/* ── Flow box ───────────────────────────────── */
.flow-box {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: var(--color-bg-surface);
  margin: 0 0 18px;
}
.flow-box .flow-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--color-text-primary);
}

/* ── Mermaid wrapper ────────────────────────── */
.mermaid-wrap {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: 22px;
  background: var(--color-bg-surface);
  margin: 0 0 18px;
  text-align: center;
  overflow-x: auto;
}
.mermaid { font-family: var(--font-sans); }

/* ── Nav footer (prev/next) ─────────────────── */
.doc-footer-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-subtle);
  gap: 12px;
}
.doc-footer-nav a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 14px;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  min-width: 180px;
  text-decoration: none;
}
.doc-footer-nav a:hover { background: var(--color-bg-muted); text-decoration: none; }
.doc-footer-nav .hint {
  font-size: 11px;
  color: var(--color-text-tertiary);
}
.doc-footer-nav .title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}
.doc-footer-nav .next {
  text-align: right;
  margin-left: auto;
}

/* ── Misc ───────────────────────────────────── */
.hero-kpi {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 28px;
  padding: 18px;
  background: var(--color-brand-soft);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
}
.hero-kpi .cell {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px;
}
.hero-kpi .cell .v {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-brand-ink);
  font-variant-numeric: tabular-nums;
}
.hero-kpi .cell .l {
  font-size: 11.5px;
  color: var(--color-brand-ink);
  opacity: 0.8;
}
@media (max-width: 780px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: relative; height: auto; border-right: 0; border-bottom: 1px solid var(--color-border-default); }
  .hero-kpi { grid-template-columns: repeat(2, 1fr); }
}

/* mobile: sidebar drawer toggle (simplified) */
@media (max-width: 780px) {
  .side__section, .side ul { }
}

/* Print-like clean blocks */
.quote-box {
  background: var(--color-bg-subtle);
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 13px;
  margin: 14px 0 20px;
  color: var(--color-text-secondary);
}

/* Script link list */
.script-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 0 16px !important;
  display: grid;
  gap: 6px;
}
.script-list li {
  padding: 10px 14px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-surface);
  font-size: 13px;
  margin-bottom: 0 !important;
}
.script-list li strong {
  color: var(--color-brand-ink);
  font-weight: 600;
}

/* 2-col for mobile restricted */
@media (max-width: 600px) {
  .role-card .role-head { flex-direction: column; align-items: flex-start; }
}
