/* 博客样式。源文件在 blog/blog.css，build.py 复制到 web/public/blog/ 并在页面上带 ?v=<哈希>。
   颜色、字体跟应用一致（web/src/styles/tokens.css），读者从文章点进应用不会觉得换了个站。
   深色底上长文要可读：正文 18px、行高 1.7、行宽 ≤ 68 个字符。 */
:root {
  --bg: #15100D; --surface: #211913; --raised: #2B2018; --border: #332821;
  --fg: #F7F0E9; --fg2: #B9AA9F; --fg3: #94867E;
  --primary: #FF8B6B; --primary-text: #FFA98E; --primary-on: #1B1310; --accent: #F0B347;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 18px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--primary-text); text-underline-offset: 3px; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  max-width: 1080px; margin: 0 auto; padding: 16px 20px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 800; font-size: 17px; }
.brand img { width: 32px; height: auto; }
.topbar nav { display: flex; align-items: center; gap: 18px; font-size: 15px; }
.topbar nav a { color: var(--fg2); text-decoration: none; }
.topbar nav a:hover { color: var(--fg); }
.topbar .nav-cta { color: var(--primary-on); background: var(--primary); padding: 8px 14px; border-radius: 999px; font-weight: 700; }
.topbar .nav-cta:hover { color: var(--primary-on); background: var(--primary-text); }

.post, .list { max-width: 720px; margin: 0 auto; padding: 8px 20px 64px; }
.list { max-width: 1080px; }
.crumb { font-size: 14px; color: var(--fg3); margin: 12px 0 8px; }
.crumb a { color: var(--fg2); text-decoration: none; }
.crumb span { margin: 0 6px; }
h1 { font-size: clamp(30px, 5vw, 42px); line-height: 1.15; margin: 8px 0 12px; letter-spacing: -0.01em; }
.byline { color: var(--fg3); font-size: 15px; margin: 0 0 24px; }
.hero { border-radius: 20px; margin: 28px 0 8px; background: var(--surface); }

.post-body h2 { font-size: 26px; line-height: 1.3; margin: 48px 0 12px; }
.post-body h3 { font-size: 20px; margin: 28px 0 8px; }
.post-body p { margin: 0 0 18px; color: var(--fg); }
.post-body .answer { font-size: 19px; color: var(--fg); }
.post-body ul, .post-body ol { padding-left: 22px; margin: 0 0 18px; }
.post-body li { margin: 6px 0; }
.post-body strong { color: #fff; }
.post-body blockquote { margin: 24px 0; padding: 4px 20px; border-left: 3px solid var(--primary); color: var(--fg2); }

.post-summary {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 20px 24px 24px; margin: 8px 0 0;
}
.post-summary .summary-title { margin: 0 0 8px; font-weight: 800; color: var(--accent); font-size: 15px; letter-spacing: .04em; text-transform: uppercase; }
.post-summary ul { margin: 0 0 18px; padding-left: 20px; }
.post-summary li { margin: 6px 0; }

.cta {
  display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 22px;
  background: var(--primary); color: var(--primary-on); border-radius: 999px;
  font-weight: 800; font-size: 17px; text-decoration: none;
}
.cta:hover { background: var(--primary-text); color: var(--primary-on); }
.cta-box {
  display: flex; align-items: center; gap: 18px; margin: 36px 0; padding: 20px 22px;
  background: var(--raised); border-radius: 20px; border: 1px solid var(--border);
}
.cta-box img { width: 72px; flex: none; }
.cta-box p { margin: 0 0 12px; color: var(--fg2); font-size: 16px; }

.post-faq { margin-top: 48px; border-top: 1px solid var(--border); padding-top: 8px; }
.post-faq h3 { font-size: 19px; }
.post-faq p { color: var(--fg2); }

.related { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--border); }
.related-title { font-size: 20px; margin: 0 0 8px; }
.related ul { padding-left: 20px; }

.lede { color: var(--fg2); max-width: 680px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 28px; }
.card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; text-decoration: none; color: var(--fg); transition: transform .15s ease, border-color .15s ease; }
.card:hover { transform: translateY(-2px); border-color: var(--primary); color: var(--fg); }
.card div { padding: 16px 18px 18px; }
.card h2 { font-size: 20px; line-height: 1.3; margin: 0 0 8px; }
.card p { margin: 0 0 10px; color: var(--fg2); font-size: 16px; line-height: 1.55; }
.card .meta { color: var(--fg3); font-size: 14px; }
/* 工具列表页（/tools/）的卡片：上面一块浅底放菜品插画，代替文章卡片的头图 */
.tool-card-pic { display: flex; align-items: center; justify-content: center; height: 150px; background: var(--surface2, rgba(255,255,255,.04)); border-bottom: 1px solid var(--border); }
.tool-card-pic img { width: auto; height: 110px; object-fit: contain; filter: drop-shadow(0 8px 16px rgba(0,0,0,.35)); }
.tool-hero .crumb { margin: 0 0 12px; }

.foot { max-width: 720px; margin: 0 auto; padding: 32px 20px 48px; border-top: 1px solid var(--border); color: var(--fg3); font-size: 15px; }
.foot a { color: var(--fg2); }

@media (max-width: 560px) {
  body { font-size: 17px; }
  .topbar nav a:not(.nav-cta) { display: none; }
  .post-body h2 { font-size: 23px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
}

/* ───────── 落地页（工具页）：/random-food-generator/、/food-wheel/ ─────────
   版式：首屏左文右工具（工具就是主视觉，不滚动就能用）；手机上单列，工具紧跟标题。
   动效只做反馈：出结果时菜品弹一下、转盘转；prefers-reduced-motion 下全关。
   圆角体系：卡片 20px、按钮和筛选胶囊全圆角，跟文章页一致。只有一个强调色（珊瑚橘）。 */
.tool-hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; align-items: center;
  max-width: 1120px; margin: 0 auto; padding: 32px 20px 56px; min-height: calc(100dvh - 80px);
}
.tool-hero h1 { font-size: clamp(36px, 5vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 16px; }
.tool-hero .sub { font-size: 19px; color: var(--fg2); margin: 0 0 28px; max-width: 38ch; text-wrap: pretty; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; padding: 0; list-style: none; }
.chip {
  font: inherit; font-size: 15px; font-weight: 600; color: var(--fg2); background: var(--surface);
  border: 1px solid var(--border); border-radius: 999px; padding: 8px 14px; cursor: pointer;
  transition: border-color .15s ease, color .15s ease, transform .1s ease;
}
.chip:hover { color: var(--fg); border-color: var(--fg3); }
.chip[aria-pressed="true"] { color: var(--primary-on); background: var(--primary); border-color: var(--primary); }
.chip:active, .go:active, .ghost:active { transform: scale(0.98); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.go {
  font: inherit; font-size: 18px; font-weight: 800; color: var(--primary-on); background: var(--primary);
  border: 0; border-radius: 999px; min-height: 54px; padding: 0 30px; cursor: pointer; white-space: nowrap;
}
.go:hover { background: var(--primary-text); }
.ghost {
  font: inherit; font-size: 16px; font-weight: 700; color: var(--fg); background: transparent;
  border: 1px solid var(--border-strong, #4A372B); border-radius: 999px; min-height: 54px; padding: 0 22px;
  cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; white-space: nowrap;
}
.ghost:hover { border-color: var(--primary); color: var(--primary-text); }

.result {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 28px 28px 24px; display: grid; justify-items: center; text-align: center;
}
.result .plate {
  width: min(320px, 70vw); aspect-ratio: 5 / 4; display: grid; place-items: center;
  background: radial-gradient(closest-side, rgba(255, 139, 107, .22), transparent 75%);
}
.result .plate img { max-width: 88%; max-height: 88%; width: auto; height: auto; object-fit: contain; }
.result .dish { font-size: clamp(26px, 3.4vw, 34px); font-weight: 800; margin: 6px 0 2px; line-height: 1.2; }
.result .cuisine { color: var(--fg3); font-size: 15px; margin: 0 0 18px; min-height: 1.4em; }
.result .history { color: var(--fg3); font-size: 14px; margin: 14px 0 0; min-height: 1.4em; }
.result .cat { position: absolute; width: 64px; right: 18px; bottom: 18px; opacity: .95; }
@media (prefers-reduced-motion: no-preference) {
  .pop .plate img, .pop .dish { animation: pop .42s cubic-bezier(.16, 1, .3, 1); }
  @keyframes pop { from { transform: scale(.86) translateY(6px); opacity: 0 } to { transform: none; opacity: 1 } }
}

.wheel-wrap { display: grid; justify-items: center; gap: 16px; }
.wheel { position: relative; width: min(420px, 82vw); aspect-ratio: 1; }
.wheel svg { width: 100%; height: 100%; display: block; border-radius: 50%; box-shadow: 0 18px 50px rgba(0, 0, 0, .45); }
.wheel .pointer {
  position: absolute; left: 50%; top: -6px; transform: translateX(-50%); width: 0; height: 0;
  border-left: 14px solid transparent; border-right: 14px solid transparent; border-top: 24px solid var(--fg);
  filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .5));
}
.wheel .hub {
  position: absolute; inset: 50% auto auto 50%; width: 64px; height: 64px; transform: translate(-50%, -50%);
  border-radius: 50%; background: var(--bg); border: 3px solid var(--fg); display: grid; place-items: center;
}
.wheel .hub img { width: 44px; }
.wheel-result { font-size: clamp(24px, 3vw, 30px); font-weight: 800; min-height: 1.3em; margin: 0; }
.wheel-edit label { display: block; font-size: 15px; font-weight: 700; color: var(--fg2); margin: 16px 0 8px; }
.wheel-edit textarea {
  width: 100%; min-height: 180px; font: inherit; font-size: 16px; color: var(--fg); background: var(--surface);
  border: 1px solid var(--border-strong, #4A372B); border-radius: 12px; padding: 12px 14px; resize: vertical;
}
.wheel-edit textarea:focus, .chip:focus-visible, .go:focus-visible, .ghost:focus-visible, .cta:focus-visible {
  outline: 2px solid var(--primary-text); outline-offset: 2px;
}
.wheel-edit .help { color: var(--fg3); font-size: 14px; margin: 6px 0 0; }

.tool-body { max-width: 720px; margin: 0 auto; padding: 24px 20px 64px; }
.steps { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; margin: 8px 0 40px; }
.steps .big { grid-row: span 2; background: var(--raised); border-radius: 20px; padding: 22px; }
.steps .small { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 18px 20px; }
.steps h3 { margin: 0 0 6px; font-size: 18px; }
.steps p { margin: 0; color: var(--fg2); font-size: 16px; }
.steps img { width: 84px; margin-bottom: 12px; }

@media (max-width: 860px) {
  .tool-hero { grid-template-columns: 1fr; gap: 28px; min-height: 0; padding-top: 12px; }
  .tool-hero .sub { max-width: none; margin-bottom: 20px; }
  .steps { grid-template-columns: 1fr; }
  .steps .big { grid-row: auto; }
}
.result .plate img.is-cat { max-height: 70%; opacity: .95; }