/* ═══════════════════════════════════════════════
   VAS · Docs Mode · 操作手冊專用 CSS
   - layout · 雙欄版型（sticky TOC + main）
   - toc-sticky · 桌面側邊目錄
   - toc-mobile · 手機 details 折疊
   - cards · 手冊卡片
   - accordion · 手風琴
   - welcome · 手冊首頁三塊攤開
   ═══════════════════════════════════════════════ */

/* ─── Layout · 雙欄 ───────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  max-width: 1180px;
  padding: 48px 48px 80px;
  margin: 0 auto;
}

/* ─── Sticky TOC · 桌面 ───────────────── */
.docs-toc-sticky {
  position: sticky;
  top: 72px;
  align-self: start;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  padding-right: 8px;
}
.docs-toc-sticky-label {
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
  margin-bottom: 20px;
}
.docs-toc-sticky ol,
.docs-toc-sticky ul {
  list-style: none;
  padding: 0; margin: 0;
}
.docs-toc-sticky li { margin-bottom: 2px; }
.docs-toc-sticky a {
  display: block;
  padding: 8px 0 8px 14px;
  font-family: var(--vas-serif);
  font-size: 15px;
  line-height: 1.45;
  color: var(--vas-ash-1);
  border-left: 2px solid transparent;
  transition: color .2s, border-color .2s, background .2s;
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
  text-wrap: balance;
}
.docs-toc-sticky a:hover { color: var(--vas-ash-0); }
.docs-toc-sticky a.is-current {
  color: var(--vas-ash-0);
  border-left-color: var(--vas-aurora-violet);
}
.docs-toc-sticky .group {
  margin-top: 24px;
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
  padding-left: 14px;
}
[lang="en"] .docs-toc-sticky a { line-height: 1.35; }

/* ─── Mobile TOC · details ───────────── */
.docs-toc-mobile { display: none; }
.docs-toc-mobile summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  border-bottom: 1px solid var(--vas-rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--vas-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vas-ash-1);
}
.docs-toc-mobile summary::-webkit-details-marker { display: none; }
.docs-toc-mobile summary::after {
  content: '+';
  font-family: var(--vas-mono);
  font-size: 16px;
  color: var(--vas-ash-2);
  transition: transform .2s;
}
.docs-toc-mobile[open] summary::after {
  content: '−';
}
.docs-toc-mobile ol {
  list-style: none;
  padding: 8px 0 16px; margin: 0;
}
.docs-toc-mobile li {
  border-bottom: 1px solid var(--vas-rule);
}
.docs-toc-mobile li:last-child { border-bottom: none; }
.docs-toc-mobile a {
  display: block;
  padding: 14px 0;
  font-family: var(--vas-serif);
  font-size: 16px;
  color: var(--vas-ash-0);
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* ─── Docs Main · 主內容區 ────────────── */
.docs-main { min-width: 0; }
.docs-main h1 {
  font-family: var(--vas-serif);
  font-weight: 500;
  font-size: clamp(32px, 4.5vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--vas-ash-0);
  margin-bottom: 16px;
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
  text-wrap: balance;
}
.docs-main .docs-dek {
  font-family: var(--vas-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--vas-ash-1);
  max-width: 52ch;
  margin-bottom: 56px;
}
.docs-main h2 {
  font-family: var(--vas-serif);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 28px);
  color: var(--vas-ash-0);
  margin: 56px 0 20px;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.docs-main p {
  font-family: var(--vas-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--vas-ash-0);
  max-width: 56ch;
  margin-bottom: 1em;
}
.docs-main em {
  font-style: normal;
  font-weight: 500;
  background: rgba(196, 113, 245, 0.08);
  border: 1px solid rgba(196, 113, 245, 0.22);
  border-radius: 2px;
  padding: 0 6px;
  color: var(--vas-ash-0);
}

/* ─── Welcome · 三塊攤開 ──────────────── */
.docs-welcome-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.docs-block {
  padding: 32px 28px;
  border: 1px solid var(--vas-rule);
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color .2s;
}
.docs-block:hover { border-color: var(--vas-rule-strong); }
.docs-block-kicker {
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
}
.docs-block-name {
  font-family: var(--vas-serif);
  font-weight: 500;
  font-size: 22px;
  color: var(--vas-ash-0);
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
  text-wrap: balance;
}
.docs-block-desc {
  font-family: var(--vas-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--vas-ash-1);
}
.docs-block ol {
  list-style: none;
  padding: 12px 0 0; margin: 0;
  border-top: 1px solid var(--vas-rule);
}
.docs-block li { margin-bottom: 2px; }
.docs-block li a {
  display: block;
  padding: 10px 0;
  font-family: var(--vas-serif);
  font-size: 14px;
  color: var(--vas-ash-1);
  border-bottom: 1px solid var(--vas-rule);
  transition: color .2s;
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
}
.docs-block li:last-child a { border-bottom: none; }
.docs-block li a:hover { color: var(--vas-aurora-violet); }

/* ─── Docs Card · 單張卡片 ────────────── */
.docs-card {
  display: block;
  padding: 28px;
  border: 1px solid var(--vas-rule);
  border-radius: 2px;
  transition: border-color .2s;
}
.docs-card:hover { border-color: var(--vas-rule-strong); }
.docs-card-kicker {
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
  margin-bottom: 12px;
  transition: color .2s;
}
.docs-card:hover .docs-card-kicker { color: var(--vas-aurora-violet); }
.docs-card-name {
  font-family: var(--vas-serif);
  font-weight: 500;
  font-size: 19px;
  color: var(--vas-ash-0);
  margin-bottom: 8px;
}
.docs-card-desc {
  font-family: var(--vas-serif);
  font-size: 14px;
  line-height: 1.8;
  color: var(--vas-ash-1);
  margin-bottom: 16px;
}
.docs-card-meta {
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
}

/* ─── Accordion · 手風琴 ──────────────── */
.docs-accordion {
  border-bottom: 1px solid var(--vas-rule);
}
.docs-accordion summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.docs-accordion summary::-webkit-details-marker { display: none; }
.docs-accordion summary .name {
  font-family: var(--vas-serif);
  font-size: 17px;
  color: var(--vas-ash-0);
  word-break: keep-all;
  overflow-wrap: break-word;
  hyphens: auto;
}
.docs-accordion summary .mark {
  font-family: var(--vas-mono);
  font-size: 16px;
  color: var(--vas-ash-2);
  flex-shrink: 0;
}
.docs-accordion[open] summary .mark::before { content: '−'; }
.docs-accordion summary .mark::before { content: '+'; }
.docs-accordion-body {
  padding: 0 0 20px;
  font-family: var(--vas-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--vas-ash-1);
}

/* ─── RWD ─────────────────────────────── */
/* ─── docsDek desktop/mobile toggle ────── */
.docs-dek--mobile { display: none; }

@media (max-width: 900px) {
  .docs-welcome-blocks {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ─── 英文版 TOC 加寬 + 縮字 ─────────── */
html[lang="en"] .docs-layout {
  grid-template-columns: 260px 1fr;
}
html[lang="en"] .docs-toc-sticky a {
  font-size: 13px;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 24px 56px;
  }
  .docs-toc-sticky { display: none; }
  .docs-dek--desktop { display: none; }
  .docs-dek--mobile  { display: block; }
  .docs-main p { font-size: 16px; }
  .docs-main h1 { font-size: clamp(28px, 7vw, 36px); }
  .docs-section { padding: 32px 0 12px; }
  .docs-main .docs-dek { margin-bottom: 20px; }
}

@media (max-width: 375px) {
  .docs-main p,
  .docs-main .docs-dek { font-size: 16px; }
  .docs-block-name { font-size: 20px; }
}

/* ═══════════════════════════════════════════════
   Guide 頁面專屬元件
   - docs-section · 主章節 / docs-subsection · 子節
   - docs-list · 條列
   - docs-note · 提示框
   - docs-kbd · 鍵盤樣式
   - docs-figure · 圖片 caption
   - docs-shortcut-table · 快捷鍵表
   - g-* · 工具列 / 編輯器 / 晶片
   - tool-modal · 工具彈窗
   ═══════════════════════════════════════════════ */

/* ─── Section / Subsection ────────────── */
.docs-section {
  scroll-margin-top: 88px;
  padding: 64px 0 24px;
  border-top: 1px solid var(--vas-rule);
}
.docs-section:first-of-type { border-top: none; padding-top: 0; }
.docs-section-kicker {
  font-family: var(--vas-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vas-aurora-violet);
  opacity: .75;
  margin-bottom: 12px;
}
.docs-subsection { scroll-margin-top: 88px; margin-top: 40px; }
.docs-subsection h3 {
  font-family: var(--vas-serif);
  font-weight: 500;
  font-size: 20px;
  color: var(--vas-ash-0);
  margin-bottom: 12px;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ─── List ────────────────────────────── */
.docs-main ul.docs-list { list-style: none; padding: 0; margin: 0 0 20px; max-width: 56ch; }
.docs-main ul.docs-list > li {
  padding: 10px 0 10px 18px;
  position: relative;
  font-family: var(--vas-serif);
  font-size: 16px;
  line-height: 1.85;
  color: var(--vas-ash-1);
  border-bottom: 1px solid var(--vas-rule);
}
.docs-main ul.docs-list > li:last-child { border-bottom: none; }
.docs-main ul.docs-list > li::before {
  content: '·';
  position: absolute; left: 4px; top: 9px;
  color: var(--vas-aurora-violet); opacity: .6;
  font-family: var(--vas-mono);
}
.docs-main ul.docs-list > li strong { color: var(--vas-ash-0); font-weight: 500; }

/* ─── Note box ────────────────────────── */
.docs-note {
  margin: 24px 0; padding: 18px 22px;
  border: 1px solid rgba(196, 113, 245, 0.22);
  background: rgba(196, 113, 245, 0.04);
  max-width: 56ch;
}
.docs-note-label {
  font-family: var(--vas-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vas-ash-3);
  margin-bottom: 8px;
}
.docs-note p {
  font-family: var(--vas-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--vas-ash-1);
  margin: 0; max-width: none;
}

/* ─── Kbd / Code inline ───────────────── */
.docs-kbd {
  display: inline-block;
  padding: 1px 7px;
  font-family: var(--vas-mono); font-size: 12px;
  color: var(--vas-ash-0);
  background: rgba(240, 232, 220, 0.08);
  border: 1px solid var(--vas-rule-strong);
  border-radius: 3px; margin: 0 1px; vertical-align: baseline;
}
.docs-main p code, .docs-main li code {
  font-family: var(--vas-mono); font-size: 13px;
  color: var(--vas-ash-2);
  background: rgba(240, 232, 220, 0.06);
  padding: 1px 5px; border-radius: 2px;
}

/* ─── Shortcut table ──────────────────── */
.docs-shortcut-table {
  width: 100%; max-width: 56ch;
  border-collapse: collapse;
  font-family: var(--vas-serif); font-size: 15px;
  margin: 12px 0 28px;
}
.docs-shortcut-table th {
  font-family: var(--vas-mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--vas-ash-3);
  padding: 10px 0; text-align: left;
  border-bottom: 1px solid var(--vas-rule);
  font-weight: normal;
}
.docs-shortcut-table td {
  padding: 12px 0;
  border-bottom: 1px solid var(--vas-rule);
  color: var(--vas-ash-1); vertical-align: top;
}
.docs-shortcut-table td:first-child {
  width: 42%; color: var(--vas-ash-0); padding-right: 24px;
}

/* ─── Figure ──────────────────────────── */
.docs-figure { margin: 24px 0 32px; max-width: 720px; }
.docs-figure img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--vas-rule); border-radius: 2px;
}
.docs-figure figcaption {
  margin-top: 10px;
  font-family: var(--vas-mono); font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--vas-ash-3); line-height: 1.6;
}


/* ─── Section sub-label / Full-width img ─ */
.g-section-sub {
  font-family: var(--vas-serif); font-size: 15px;
  color: var(--vas-ash-2); margin: -8px 0 28px;
}
.g-img {
  width: 100%; border-radius: 4px;
  border: 1px solid var(--vas-rule); margin-bottom: 28px;
}

/* ─── Toolbar card grid ───────────────── */
.g-toolbar-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-bottom: 16px;
}
.g-card {
  padding: 16px; border: 1px solid var(--vas-rule);
  border-radius: 2px; transition: border-color .2s;
}
.g-card:hover { border-color: var(--vas-rule-strong); }
.g-card-name {
  font-family: var(--vas-mono); font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--vas-ash-0); margin-bottom: 6px;
}
.g-card-desc {
  font-family: var(--vas-serif); font-size: 13px;
  line-height: 1.75; color: var(--vas-ash-2);
}
.g-card-note {
  font-family: var(--vas-mono); font-size: 10px;
  line-height: 1.6; color: var(--vas-ash-3);
  letter-spacing: 0.04em;
  margin-top: 6px;
}

/* ─── Guide page: dot-nav desktop suppression ─ */
body.is-guide .dot-nav        { display: none; }
body.is-guide .dot-nav-trigger { display: none; }
@media (max-width: 960px) {
  body.is-guide .dot-nav-trigger { display: block; }
  body.is-guide .dot-nav.is-open { display: flex; }
}

/* ─── Breath light preview image ─────── */
.docs-bl-preview {
  max-width: 280px; height: 80px;
  overflow: hidden; position: relative;
  border: 1px solid var(--vas-rule); border-radius: 2px;
  margin: 24px 0 32px;
}
@media (max-width: 768px) {
  .docs-bl-preview { max-width: 168px; height: 48px; }
}

/* ─── Breath light card ───────────────── */
.g-bl-card {
  padding: 20px 24px; border: 1px solid var(--vas-rule);
  border-radius: 2px; display: flex; gap: 16px; align-items: flex-start;
}
.g-bl-img { width: 56px; height: 56px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.g-bl-body { flex: 1; }
.g-bl-title {
  font-family: var(--vas-mono); font-size: 12px;
  letter-spacing: 0.1em; color: var(--vas-ash-0); margin-bottom: 8px;
}
.g-bl-desc {
  font-family: var(--vas-serif); font-size: 13px;
  line-height: 1.75; color: var(--vas-ash-2);
}
.g-bl-list { list-style: none; padding: 0; margin: 8px 0 0; }
.g-bl-list li { display: flex; gap: 8px; align-items: baseline; margin-bottom: 4px; }
.g-badge-t, .g-badge-a {
  font-family: var(--vas-mono); font-size: 10px; letter-spacing: 0.1em;
  padding: 2px 7px; border-radius: 999px; flex-shrink: 0;
  display: inline-block; vertical-align: middle;
}
.g-badge-t { background: rgba(196,113,245,0.12); color: var(--vas-aurora-violet); border: 1px solid rgba(196,113,245,0.25); }
.g-badge-a { background: rgba(240,232,220,0.06); color: var(--vas-ash-2); border: 1px solid var(--vas-rule); }

/* ─── Editor zones grid ───────────────── */
.g-zones-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.g-zone-name {
  font-family: var(--vas-serif); font-weight: 500;
  font-size: 15px; margin-bottom: 6px;
}

/* ─── Sidebar tools ───────────────────── */
.g-tools-wrap { display: block; }
.g-tools-body { display: flex; flex-direction: column; gap: 24px; }
.g-grp-label {
  font-family: var(--vas-mono); font-size: 10px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--vas-ash-3); margin-bottom: 10px;
}
.g-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.g-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border: 1px solid var(--vas-rule);
  border-radius: 2px;
  font-family: var(--vas-serif); font-size: 14px; color: var(--vas-ash-1);
  transition: border-color .2s;
}
.g-chip:hover { border-color: var(--vas-rule-strong); }
.g-chip-icon { font-size: 13px; color: var(--vas-ash-3); }
.g-chip-key {
  font-family: var(--vas-mono); font-size: 11px;
  color: var(--vas-aurora-violet); letter-spacing: 0.04em;
}

/* ─── Accordion table ─────────────────── */
.g-acc-table { width: 100%; border-collapse: collapse; }
.g-acc-table td {
  padding: 9px 0; border-bottom: 1px solid var(--vas-rule);
  font-family: var(--vas-serif); font-size: 14px; color: var(--vas-ash-1);
  vertical-align: top;
}
.g-acc-table td:first-child {
  font-family: var(--vas-mono); font-size: 13px;
  color: var(--vas-ash-0); width: 40%; padding-right: 16px;
}
.g-acc-table tr:last-child td { border-bottom: none; }
.g-check { color: #6ee7b7; margin-right: 6px; }
.g-cross { color: #fca5a5; margin-right: 6px; }

/* ─── Tool Popup Modal ────────────────── */
.g-chip[data-tool] { cursor: pointer; }
.g-chip[data-tool]:hover { border-color: rgba(196,113,245,0.35); color: var(--vas-ash-0); }
.g-chip[data-tool]:hover .g-chip-icon { color: var(--vas-aurora-violet); }
.tool-modal-backdrop { position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,0.65);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px); }
.tool-modal-backdrop.hidden { display:none; }
.tool-modal-card { position:relative;background:var(--vas-void-up);border:1px solid var(--vas-rule-strong);border-radius:12px;padding:24px 24px 28px;width:100%;max-width:480px;max-height:80vh;overflow-y:auto;scrollbar-width:none; }
.tool-modal-card::-webkit-scrollbar { display:none; }
.tool-modal-close { position:absolute;top:14px;right:14px;background:none;border:none;cursor:pointer;font-size:18px;line-height:1;color:var(--vas-ash-3);padding:4px;transition:color .2s; }
.tool-modal-close:hover { color:var(--vas-ash-0); }
.tool-modal-head { display:flex;align-items:center;gap:12px;margin-bottom:20px; }
.tool-modal-icon { font-size:18px;color:var(--vas-ash-3);width:28px;text-align:center;flex-shrink:0; }
.tool-modal-title { font-family:var(--vas-serif);font-size:16px;font-weight:500;color:var(--vas-ash-0);line-height:1.3; }
.tool-modal-shortcut { font-family:var(--vas-mono);font-size:11px;color:var(--vas-aurora-violet);letter-spacing:0.06em; }
.tool-modal-body { display:flex;flex-direction:column;gap:16px; }
.modal-section-label { font-family:var(--vas-mono);font-size:10px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:rgba(196,113,245,0.7);margin-bottom:6px; }
.modal-tag { display:inline-block;background:rgba(196,113,245,0.08);border:1px solid rgba(196,113,245,0.18);border-radius:4px;padding:2px 8px;font-family:var(--vas-mono);font-size:11px;color:var(--vas-ash-2);margin:2px; }
.modal-align-grid { display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:6px; }
.modal-align-row { display:flex;align-items:center;gap:8px;background:rgba(240,232,220,0.03);border-radius:4px;padding:4px 8px; }
.tm-p { font-family:var(--vas-serif);font-size:13px;line-height:1.75;color:var(--vas-ash-2); }
.tm-p-faint { font-family:var(--vas-serif);font-size:12px;line-height:1.75;color:var(--vas-ash-3); }
.tm-ul { list-style:disc;padding-left:16px;margin:0;font-family:var(--vas-serif);font-size:13px;line-height:1.8;color:var(--vas-ash-2); }
.tm-ul li+li { margin-top:2px; }
.tm-tags { display:flex;flex-wrap:wrap;margin-top:2px; }
.tm-kv { display:flex;align-items:center;gap:12px;margin-bottom:4px; }
.tm-notice { display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;background:rgba(196,113,245,0.08); }

/* ─── Guide RWD ───────────────────────── */
@media (max-width: 768px) {
  .g-toolbar-grid { grid-template-columns: repeat(2, 1fr); }
  .g-zones-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .g-toolbar-grid { grid-template-columns: 1fr; }
}