/* Fiona 工具策展室：美術館展品說明牌。色碼由 build_site.py 依 site_config.json 注入 :root */

:root {
  --sans: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  --serif: "Songti TC", "Noto Serif TC", "PMingLiU", serif;
  --muted: color-mix(in srgb, var(--ink) 60%, var(--wall));
  --line: color-mix(in srgb, var(--ink) 12%, transparent);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--wall);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--teal); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ── 頂部 ── */
.site-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
}
.site-name { margin: 0; font-size: 1.6rem; font-weight: 600; letter-spacing: .04em; line-height: 1.3; }
.site-name a { color: inherit; text-decoration: none; }
.site-tagline { margin: 4px 0 0; color: var(--muted); font-size: .9rem; letter-spacing: .08em; }

.search { flex: 1 1 320px; max-width: 440px; }
.search input {
  width: 100%;
  padding: 10px 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.search input:focus { outline: 2px solid var(--teal); outline-offset: 1px; }

/* ── 版面 ── */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px 64px;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 40px;
}

/* ── 左側類別索引 ── */
.cat-index { position: sticky; top: 24px; align-self: start; }
.index-label {
  margin: 0 0 8px;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .15em;
  color: var(--muted);
}
.cat-index ul { list-style: none; margin: 0; padding: 0; }
.cat-btn {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  padding: 5px 0 5px 10px;
  font: inherit;
  font-size: .9rem;
  text-align: left;
  color: var(--ink);
  background: none;
  border: 0;
  border-left: 2px solid transparent;
  text-decoration: none;
}
.cat-btn:hover { color: var(--teal); }
.cat-btn[aria-current="page"] { color: var(--teal); border-left-color: var(--teal); font-weight: 600; }
.cat-btn .n { color: var(--muted); font-size: .8rem; font-weight: 400; }

/* ── 類別頁標題 ── */
.page-head { margin-bottom: 24px; }
.page-head .breadcrumb ol { margin-bottom: 12px; }
.page-title { margin: 0; font-size: 1.6rem; font-weight: 600; line-height: 1.35; }
.page-title .n { margin-left: 12px; font-size: .9rem; font-weight: 400; color: var(--muted); }
.page-desc { margin: 8px 0 0; max-width: 40em; color: var(--muted); }

/* ── 標籤列 ── */
.tag-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.tag-btn {
  padding: 4px 12px;
  font: inherit;
  font-size: .85rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}
.tag-btn:hover { border-color: var(--teal); }
.tag-btn[aria-pressed="true"] { color: var(--card); background: var(--teal); border-color: var(--teal); }

.result-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: .85rem;
  color: var(--muted);
}
.result-bar p { margin: 0; }
.clear {
  padding: 0;
  font: inherit;
  color: var(--teal);
  background: none;
  border: 0;
  text-decoration: underline;
  cursor: pointer;
}
.empty { margin: 48px 0; color: var(--muted); }

/* ── 說明牌 ── */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px 20px;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(27, 36, 51, .06), 0 4px 16px rgba(27, 36, 51, .04);
}
.card[hidden] { display: none; }
.card { transition: box-shadow .15s; }
.card:hover { box-shadow: 0 2px 4px rgba(27, 36, 51, .08), 0 8px 24px rgba(27, 36, 51, .08); }
/* 整張說明牌可點：名稱連結延伸覆蓋全卡 */
.card-link { color: inherit; text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; }
.card-link:focus-visible { outline: none; }
.card:focus-within { outline: 2px solid var(--teal); outline-offset: 2px; }
.card:hover .card-link { color: var(--teal); }
.card-meta {
  display: flex;
  gap: 12px;
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--muted);
}
.card-name { margin: 0 0 4px; font-size: 1.2rem; font-weight: 600; line-height: 1.35; }
.card-tagline {
  margin: 0 0 16px;
  font-size: .85rem;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-note {
  position: relative;
  margin: 0 0 18px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.8;
}
.card-note::before {
  content: "“";
  display: block;
  height: .55em;
  margin-bottom: 6px;
  font-size: 2.6rem;
  line-height: 1;
  color: var(--gold);
}
.card-note p { margin: 0; }
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  font-size: .72rem;
  color: var(--muted);
}
.card-tags li::before { content: "#"; }

/* ── 工具頁 ── */
.tool-page { max-width: 1080px; margin: 0 auto; padding: 0 24px 64px; }
.tool-page > :not(.related):not(.newsletter) { max-width: 720px; }
.breadcrumb ol {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin: 0 0 20px; padding: 0; list-style: none;
  font-size: .8rem; color: var(--muted);
}
.breadcrumb li + li::before { content: "›"; margin-right: 4px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--teal); }

.label {
  padding: 40px 40px 36px;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(27, 36, 51, .06), 0 6px 24px rgba(27, 36, 51, .05);
}
.label-name { margin: 0 0 6px; font-size: 1.9rem; font-weight: 600; line-height: 1.3; }
.label-tagline { margin: 0 0 28px; color: var(--muted); }
.label-note {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--serif);
  font-size: 1.6rem;
  line-height: 1.7;
}
.label-note::before {
  content: "“";
  display: block;
  height: .5em;
  margin-bottom: 10px;
  font-size: 3.6rem;
  line-height: 1;
  color: var(--gold);
}
.label-note p { margin: 0; }

.tool-section { margin-top: 40px; }
.tool-section h2, .related h2 {
  margin: 0 0 12px;
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .15em;
  color: var(--muted);
}
.tool-section p { margin: 0 0 12px; }

.tool-meta { margin: 32px 0 0; font-size: .9rem; }
.tool-meta div { display: flex; gap: 16px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.tool-meta dt { flex: 0 0 3em; color: var(--muted); }
.tool-meta dd { margin: 0; }

.tool-actions { margin: 28px 0 0; }
.btn {
  display: inline-block;
  padding: 10px 22px;
  color: var(--card);
  background: var(--teal);
  border-radius: 2px;
  text-decoration: none;
  font-weight: 500;
}
.btn:hover { filter: brightness(1.1); }
.tool-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.link-secondary { font-size: .9rem; }

.ad-slot { margin-top: 48px; min-height: 120px; }

.related { margin-top: 64px; }
.related .card-name { font-size: 1.1rem; }

.newsletter {
  margin-top: 64px;
  padding: 40px;
  color: var(--card);
  background: var(--ink);
}
.newsletter h2 { margin: 0 0 8px; font-size: 1.2rem; }
.newsletter p { margin: 0 0 20px; opacity: .85; }
.btn-light { color: var(--ink); background: var(--card); }

.site-footer {
  padding: 24px;
  text-align: center;
  font-size: .8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--muted); }

/* ── 響應式 ── */
@media (max-width: 1100px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .site-header { padding: 28px 16px 16px; }
  .layout { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 0 16px 48px; }
  .cat-index {
    position: sticky;
    top: 0;
    z-index: 1;
    margin: 0 -16px;
    padding: 8px 16px;
    background: var(--wall);
    border-bottom: 1px solid var(--line);
  }
  .index-label { display: none; }
  .cat-index ul {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .cat-index ul::-webkit-scrollbar { display: none; }
  .cat-btn {
    width: auto;
    white-space: nowrap;
    padding: 6px 10px;
    border-left: 0;
    border-bottom: 2px solid transparent;
  }
  .cat-btn[aria-current="page"] { border-bottom-color: var(--teal); }
  .tag-bar { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .tag-bar::-webkit-scrollbar { display: none; }
  .tag-btn { white-space: nowrap; }
  .grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .tool-page { padding: 0 16px 48px; }
  .label { padding: 28px 22px 24px; }
  .label-name { font-size: 1.5rem; }
  .label-note { font-size: 1.3rem; }
  .newsletter { padding: 28px 22px; }
}