/* ============================================================================
   中藥學功效比較 - Component styles
   Namespaced under .zy- to avoid clashing with a host site's CSS.
   Layout: persistent sidebar tree (chapters -> categories) + content pane,
   so browsing never requires drilling through full-page grid screens.
   ==========================================================================*/
.zy-root {
  --zy-bg: #fbf8f3;
  --zy-panel: #ffffff;
  --zy-border: #e6ddcf;
  --zy-ink: #2b241c;
  --zy-ink-soft: #6b5f4f;
  --zy-accent: #9a3324;
  --zy-accent-soft: #f4e3df;
  --zy-accent2: #5f6b3a;
  --zy-accent2-soft: #e8ecdd;
  --zy-gold: #b8862f;
  --zy-shadow: 0 1px 2px rgba(43,36,28,.06), 0 4px 16px rgba(43,36,28,.06);
  --zy-radius: 14px;
  font-family: "Noto Sans TC","PingFang TC","Microsoft JhengHei","Heiti TC",-apple-system,BlinkMacSystemFont,sans-serif;
  color: var(--zy-ink);
  background: var(--zy-bg);
  line-height: 1.6;
}
.zy-root * { box-sizing: border-box; }
.zy-root button { font-family: inherit; }

@media (prefers-color-scheme: dark) {
  .zy-root:not([data-zy-theme="light"]) {
    --zy-bg: #1b1815;
    --zy-panel: #24201b;
    --zy-border: #3a332a;
    --zy-ink: #eee6d8;
    --zy-ink-soft: #b9ac95;
    --zy-accent: #e2836f;
    --zy-accent-soft: #3a231e;
    --zy-accent2: #9db27a;
    --zy-accent2-soft: #263323;
    --zy-gold: #d9a94a;
    --zy-shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 20px rgba(0,0,0,.35);
  }
}
.zy-root[data-zy-theme="dark"] {
  --zy-bg: #1b1815;
  --zy-panel: #24201b;
  --zy-border: #3a332a;
  --zy-ink: #eee6d8;
  --zy-ink-soft: #b9ac95;
  --zy-accent: #e2836f;
  --zy-accent-soft: #3a231e;
  --zy-accent2: #9db27a;
  --zy-accent2-soft: #263323;
  --zy-gold: #d9a94a;
  --zy-shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 20px rgba(0,0,0,.35);
}

.zy-wrap { max-width: 1220px; margin: 0 auto; padding: 24px 18px 48px; }

.zy-header { margin-bottom: 16px; }
.zy-title { font-size: 1.5rem; font-weight: 700; margin: 0 0 4px; letter-spacing: .02em; }
.zy-subtitle { color: var(--zy-ink-soft); font-size: .92rem; margin: 0; }

/* ---------------- shell: sidebar + content pane ---------------- */
.zy-shell {
  position: relative;
  display: flex;
  border: 1px solid var(--zy-border);
  border-radius: var(--zy-radius);
  background: var(--zy-panel);
  box-shadow: var(--zy-shadow);
  overflow: hidden;
  height: min(78vh, 720px);
  min-height: 440px;
}

.zy-menu-toggle {
  display: none;
  position: absolute; top: 10px; left: 10px; z-index: 6;
  align-items: center; gap: 6px;
  border: 1px solid var(--zy-border);
  background: var(--zy-panel);
  color: var(--zy-ink);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: .82rem;
  cursor: pointer;
  box-shadow: var(--zy-shadow);
}

.zy-sidebar {
  width: 280px;
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--zy-bg);
  border-right: 1px solid var(--zy-border);
}
.zy-sidebar-search { flex: none; padding: 14px 12px 8px; }
.zy-tree { flex: 1; overflow-y: auto; padding: 2px 8px 18px; }

.zy-tree-chapter { border-bottom: 1px solid color-mix(in srgb, var(--zy-border) 60%, transparent); }
.zy-tree-chapter summary {
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  padding: 10px 8px;
  font-weight: 700;
  font-size: .85rem;
  color: var(--zy-ink);
}
.zy-tree-chapter summary::-webkit-details-marker { display: none; }
.zy-tree-chapter summary::after { content: "▸"; color: var(--zy-ink-soft); font-size: .8rem; flex: none; }
.zy-tree-chapter[open] > summary::after { content: "▾"; }
.zy-tree-chapter.zy-tree-chapter-active summary { color: var(--zy-accent); }

.zy-tree-cats { display: flex; flex-direction: column; gap: 1px; padding: 2px 2px 10px 12px; }
.zy-tree-cat {
  text-align: left;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: .82rem;
  color: var(--zy-ink-soft);
}
.zy-tree-cat:hover { background: var(--zy-accent2-soft); color: var(--zy-ink); }
.zy-tree-cat.zy-tree-active { background: var(--zy-accent-soft); color: var(--zy-accent); font-weight: 700; }

.zy-sidebar-backdrop { display: none; }

.zy-content { flex: 1; min-width: 0; overflow-y: auto; padding: 20px 22px 40px; }
.zy-content-inner { max-width: 860px; }

@media (max-width: 760px) {
  .zy-menu-toggle { display: inline-flex; }
  .zy-sidebar {
    position: absolute; top: 0; left: 0; bottom: 0; z-index: 10;
    width: min(82vw, 300px);
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 6px 0 24px rgba(0,0,0,.18);
  }
  .zy-shell.zy-sidebar-open .zy-sidebar { transform: translateX(0); }
  .zy-sidebar-backdrop {
    display: none;
    position: absolute; inset: 0; z-index: 9;
    background: rgba(0,0,0,.35);
  }
  .zy-shell.zy-sidebar-open .zy-sidebar-backdrop { display: block; }
  .zy-content { padding-top: 56px; }
}

/* welcome / empty state inside content pane */
.zy-welcome {
  min-height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px; text-align: center; color: var(--zy-ink-soft);
  padding: 20px;
}
.zy-welcome-stats { display: flex; gap: 26px; flex-wrap: wrap; justify-content: center; }
.zy-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.zy-stat b { font-size: 1.7rem; color: var(--zy-accent); line-height: 1; }
.zy-stat span { font-size: .78rem; }
.zy-welcome-hint { max-width: 380px; font-size: .9rem; }

/* search */
.zy-search {
  display: flex; gap: 8px; align-items: center;
  background: var(--zy-panel);
  border: 1px solid var(--zy-border);
  border-radius: 10px;
  padding: 7px 12px;
}
.zy-search input {
  flex: 1; border: none; outline: none; background: transparent;
  font-size: .88rem; color: var(--zy-ink); min-width: 0;
}
.zy-search svg { flex: none; opacity: .5; }
.zy-search-results {
  display: grid; gap: 6px;
}
.zy-search-hit {
  text-align: left;
  border: 1px solid var(--zy-border);
  background: var(--zy-panel);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: .88rem;
  display: flex; justify-content: space-between; gap: 10px;
  width: 100%;
}
.zy-search-hit:hover { border-color: var(--zy-accent); }
.zy-search-hit b { color: var(--zy-accent); }
.zy-search-hit .zy-hit-meta { color: var(--zy-ink-soft); font-size: .8rem; white-space: nowrap; }

/* category table view */
.zy-panel-block {
  background: var(--zy-panel);
  border: 1px solid var(--zy-border);
  border-radius: var(--zy-radius);
  padding: 4px 0 4px;
  margin-bottom: 18px;
}
.zy-panel-title { font-size: 1.15rem; font-weight: 700; margin: 0 0 12px; }

.zy-table-scroll { overflow-x: auto; border-radius: 10px; border: 1px solid var(--zy-border); }
table.zy-table { border-collapse: collapse; width: 100%; min-width: 420px; font-size: .88rem; }
table.zy-table th, table.zy-table td {
  border-bottom: 1px solid var(--zy-border);
  border-right: 1px solid var(--zy-border);
  padding: 9px 12px; vertical-align: top; text-align: left;
}
table.zy-table th:last-child, table.zy-table td:last-child { border-right: none; }
table.zy-table thead th {
  background: var(--zy-accent);
  color: #fff;
  font-weight: 600;
  position: sticky; top: 0;
}
table.zy-table tbody tr:nth-child(even) { background: color-mix(in srgb, var(--zy-accent-soft) 45%, transparent); }
table.zy-table td.zy-herbname { font-weight: 700; color: var(--zy-accent); white-space: nowrap; }
table.zy-table ul.zy-funclist { margin: 0; padding-left: 1.1em; }
table.zy-table ul.zy-funclist li { margin: 1px 0; }

/* related comparisons list */
.zy-related-title { font-weight: 700; margin: 22px 0 10px; font-size: 1rem; display:flex; align-items:center; gap:8px;}
.zy-related-title .zy-count-badge {
  background: var(--zy-accent2-soft); color: var(--zy-accent2);
  border-radius: 999px; font-size: .72rem; padding: 2px 9px; font-weight: 700;
}
.zy-related-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 10px; }
.zy-cmp-card {
  cursor: pointer;
  border: 1px solid var(--zy-border);
  border-left: 4px solid var(--zy-gold);
  background: var(--zy-panel);
  border-radius: 10px;
  padding: 12px 14px;
  box-shadow: var(--zy-shadow);
}
.zy-cmp-card:hover { border-left-color: var(--zy-accent); }
.zy-cmp-card .zy-cmp-herbs { font-weight: 700; font-size: .95rem; }
.zy-cmp-card .zy-cmp-hint { color: var(--zy-ink-soft); font-size: .8rem; margin-top: 4px; }

/* comparison detail view */
.zy-cmp-header { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; margin-bottom: 4px; }
.zy-cmp-header .zy-herb-chip {
  display: inline-block; padding: 5px 14px; border-radius: 999px;
  background: var(--zy-accent-soft); color: var(--zy-accent); font-weight: 700; font-size: 1rem;
}
.zy-cmp-vs { color: var(--zy-ink-soft); font-size: .85rem; }

.zy-aspect-block { margin-top: 16px; }
.zy-aspect-name {
  font-weight: 700; font-size: .95rem; margin-bottom: 8px;
  color: var(--zy-accent2);
  display: flex; align-items: center; gap: 8px;
}
.zy-aspect-name::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--zy-accent2); display:inline-block; transform: rotate(45deg);
}
.zy-same-box {
  background: var(--zy-accent2-soft);
  border: 1px solid color-mix(in srgb, var(--zy-accent2) 35%, transparent);
  border-radius: 10px; padding: 10px 14px; font-size: .9rem; margin-bottom: 10px;
}
.zy-same-box .zy-label { font-weight: 700; color: var(--zy-accent2); margin-right: 6px; }

.zy-diff-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); }
.zy-diff-card {
  border: 1px solid var(--zy-border); border-radius: 10px; padding: 10px 14px;
  background: var(--zy-panel);
}
.zy-diff-card .zy-diff-herb { font-weight: 700; color: var(--zy-accent); margin-bottom: 4px; font-size: .9rem; }
.zy-diff-card .zy-diff-text { font-size: .89rem; }
.zy-nuance-text { font-size: .82rem; color: var(--zy-ink-soft); margin-top: 4px; font-style: italic; }

.zy-empty-note { color: var(--zy-ink-soft); font-size: .85rem; font-style: italic; }

/* table-type comparison */
.zy-table-scroll table.zy-table.zy-cmp-table th:first-child,
.zy-table-scroll table.zy-table.zy-cmp-table td:first-child { font-weight: 700; color: var(--zy-accent); }

.zy-back-btn {
  cursor: pointer; border: 1px solid var(--zy-border); background: var(--zy-panel);
  border-radius: 999px; padding: 6px 14px; font-size: .82rem; color: var(--zy-ink);
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 14px;
}
.zy-back-btn:hover { border-color: var(--zy-accent); }

.zy-footer-note { text-align:center; color: var(--zy-ink-soft); font-size: .75rem; margin-top: 16px; }