/* ==========================================================================
   DigestPaw — Stage 2B UI Design System
   Source of truth for COLOR-### / TYPE-### / COMPONENT-### tokens.
   Reference: docs/design/DESIGN-system.md (canonical COLOR-/TYPE- token source)
   ========================================================================== */

:root {
  /* ---- COLOR-001..010 Surface / structural ---------------------------- */
  --c-surface: #f8f9ff;
  --c-surface-lowest: #ffffff;
  --c-surface-low: #eff4ff;
  --c-surface-container: #e5eeff;
  --c-surface-high: #dce9ff;
  --c-surface-highest: #d3e4fe;
  --c-on-surface: #0b1c30;
  --c-on-surface-variant: #3e4947;
  --c-outline: #6e7977;
  --c-outline-variant: #bdc9c6;

  /* ---- COLOR-011..016 Brand ------------------------------------------ */
  --c-primary: #005c55;
  --c-primary-container: #0f766e;
  --c-on-primary: #ffffff;
  --c-secondary: #904d00;
  --c-secondary-container: #fe932c;
  --c-tertiary: #005f26;

  /* ---- COLOR-017..024 Safety semantic triage ------------------------- */
  --c-safe-fg: #15803d;
  --c-safe-bg: #dcfce7;
  --c-safe-line: #bbf7d0;
  --c-caution-fg: #b45309;
  --c-caution-bg: #fef3c7;
  --c-caution-line: #fde68a;
  --c-toxic-fg: #dc2626;
  --c-toxic-bg: #fee2e2;
  --c-toxic-line: #fecaca;
  --c-pending-fg: #64748b;
  --c-pending-bg: #f1f5f9;
  --c-pending-line: #e2e8f0;
  --c-error: #ba1a1a;

  /* ---- COLOR-025..028 Species accents -------------------------------- */
  --c-canine: #b45309;
  --c-canine-soft: #fffbeb;
  --c-feline: #0d9488;
  --c-feline-soft: #f0fdfa;

  /* ---- Layout -------------------------------------------------------- */
  --maxw: 1280px;
  --gutter: 1rem;
  --gutter-desktop: 1.5rem;
  --margin: 1rem;
  --margin-desktop: 2rem;
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 1.5rem;
  --sp-xl: 2.5rem;

  /* ---- Radius -------------------------------------------------------- */
  --r-sm: 0.25rem;
  --r-md: 0.5rem;
  --r-lg: 0.75rem;
  --r-xl: 1rem;
  --r-2xl: 1.5rem;
  --r-full: 9999px;

  /* ---- Elevation ----------------------------------------------------- */
  --e1: 0 1px 3px 0 rgba(15, 23, 42, 0.04), 0 1px 2px -1px rgba(15, 23, 42, 0.03);
  --e2: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --e3: 0 20px 25px -5px rgba(220, 38, 38, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  --font-head: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

/* ---- Reset ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--c-surface);
  color: var(--c-on-surface);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 22px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-head); margin: 0; letter-spacing: -0.01em; }

/* ---- TYPE scale ------------------------------------------------------- */
.t-display { font: 700 36px/44px var(--font-head); }
.t-h1 { font: 700 28px/36px var(--font-head); }
.t-h2 { font: 600 22px/30px var(--font-head); }
.t-h3 { font: 600 20px/28px var(--font-head); }
.t-h4 { font: 600 16px/24px var(--font-head); }
.t-body-lg { font: 400 16px/26px var(--font-body); }
.t-body { font: 400 14px/22px var(--font-body); }
.t-body-sm { font: 400 13px/18px var(--font-body); }
.t-label-lg { font: 600 14px/20px var(--font-body); }
.t-label { font: 600 12px/16px var(--font-body); }
.t-label-sm { font: 500 11px/14px var(--font-body); }
.t-muted { color: var(--c-on-surface-variant); }
.t-mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.t-center { text-align: center; }

/* ---- Layout helpers --------------------------------------------------- */
.shell { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--margin-desktop); }
.row { display: flex; align-items: center; }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.gap-xs { gap: var(--sp-xs); } .gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); } .gap-lg { gap: var(--sp-lg); } .gap-xl { gap: var(--sp-xl); }
.col { display: flex; flex-direction: column; }
.wrap { flex-wrap: wrap; }
.grid { display: grid; gap: var(--gutter-desktop); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.g-main-rail { grid-template-columns: minmax(0, 1fr) 320px; }
.g-rail-main { grid-template-columns: 232px minmax(0, 1fr); }
.mt-sm { margin-top: var(--sp-sm); } .mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); } .mt-xl { margin-top: var(--sp-xl); }
.mb-sm { margin-bottom: var(--sp-sm); } .mb-md { margin-bottom: var(--sp-md); }
.mb-lg { margin-bottom: var(--sp-lg); } .mb-xl { margin-bottom: var(--sp-xl); }
.full { width: 100%; }
.grow { flex: 1; }

/* ---- Cards ------------------------------------------------------------ */
.card {
  background: var(--c-surface-lowest);
  border: 1px solid #e2e8f0;
  border-radius: var(--r-xl);
  box-shadow: var(--e1);
}
.card-pad { padding: var(--sp-lg); }
.card-pad-sm { padding: var(--sp-md); }
.card-flat { background: var(--c-surface-low); border: 1px solid #e2e8f0; border-radius: var(--r-xl); }
.section-title { display: flex; align-items: center; gap: var(--sp-sm); flex-wrap: wrap; }
.section-title h2 { white-space: nowrap; }
.section-title .bar { width: 4px; height: 18px; border-radius: var(--r-full); background: var(--c-primary); }
.hairline { height: 1px; background: #e2e8f0; border: 0; margin: var(--sp-lg) 0; }

/* ---- Badges / pills --------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  height: 28px; padding: 0 10px; border-radius: var(--r-full);
  font: 600 12px/16px var(--font-body); border: 1px solid transparent; white-space: nowrap;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-safe { color: var(--c-safe-fg); background: var(--c-safe-bg); border-color: var(--c-safe-line); }
.badge-caution { color: var(--c-caution-fg); background: var(--c-caution-bg); border-color: var(--c-caution-line); }
.badge-toxic { color: var(--c-toxic-fg); background: var(--c-toxic-bg); border-color: var(--c-toxic-line); }
.badge-pending { color: var(--c-pending-fg); background: var(--c-pending-bg); border-color: var(--c-pending-line); }
.badge-brand { color: var(--c-primary); background: var(--c-surface-container); border-color: #cfe0ff; }
.badge-brand svg { width: 13px; height: 13px; display: block; }
.badge-sm { height: 22px; padding: 0 8px; font-size: 11px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 12px;
  border-radius: var(--r-full); background: var(--c-surface-low);
  border: 1px solid #e2e8f0; font: 500 12px/16px var(--font-body); color: var(--c-on-surface-variant);
}
.chip.is-active { background: var(--c-primary); color: var(--c-on-primary); border-color: var(--c-primary); }
.tag { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--r-sm); background: var(--c-surface-container); font: 500 11px/16px var(--font-body); color: var(--c-on-surface-variant); }

/* ---- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 40px; min-width: 44px; padding: 0 16px; border-radius: var(--r-full);
  border: 1px solid transparent; font: 600 13px/18px var(--font-body); transition: .15s;
}
.btn-primary { background: var(--c-primary); color: var(--c-on-primary); }
.btn-outline { background: var(--c-surface-lowest); color: var(--c-primary); border-color: #cfe0ff; }
.btn-ghost { background: transparent; color: var(--c-on-surface-variant); }
.btn-danger { background: var(--c-toxic-fg); color: #fff; }
.btn-danger-outline { background: #fff; color: var(--c-toxic-fg); border-color: var(--c-toxic-line); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 12px; }
.btn-lg { height: 48px; padding: 0 22px; font-size: 15px; }
.btn-block { width: 100%; }

/* ---- Forms ------------------------------------------------------------ */
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { font: 600 12px/16px var(--font-body); color: var(--c-on-surface-variant); }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 12px;
  border: 1px solid #e2e8f0; border-radius: var(--r-md);
  background: var(--c-surface-lowest); color: var(--c-on-surface);
  font: 400 14px/22px var(--font-body);
}
.textarea { min-height: 96px; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: #94a3b8; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--c-feline); box-shadow: 0 0 0 3px rgba(13, 148, 136, .18); }
.input-icon { display: flex; align-items: center; gap: 8px; padding: 0 12px; min-height: 44px; border: 1px solid #e2e8f0; border-radius: var(--r-full); background: #fff; }
.input-icon input { border: 0; outline: none; width: 100%; font: 400 14px/22px var(--font-body); background: transparent; }
.search-hero { display: flex; align-items: center; gap: 10px; padding: 6px 6px 6px 16px; background: #fff; border: 1px solid #e2e8f0; border-radius: var(--r-xl); box-shadow: var(--e1); }
.search-hero input { flex: 1; border: 0; outline: none; min-height: 44px; font: 400 16px/24px var(--font-body); }
.help { font: 400 12px/16px var(--font-body); color: var(--c-on-surface-variant); }
.help-error { color: var(--c-error); }
.switch { width: 40px; height: 22px; border-radius: var(--r-full); background: var(--c-outline-variant); position: relative; flex: none; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; }
.switch.on { background: var(--c-primary); }
.switch.on::after { left: 21px; }

/* ---- Species segmented toggle (COMPONENT-002) ------------------------- */
.species-toggle { display: inline-flex; align-items: center; gap: 2px; padding: 3px; border-radius: var(--r-full); background: var(--c-surface-low); border: 1px solid #e2e8f0; }
.species-toggle button {
  display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px;
  border: 1px solid transparent; border-radius: var(--r-full);
  background: transparent; color: var(--c-on-surface-variant); font: 600 12px/16px var(--font-body);
}
.species-toggle button.is-active-cat { background: var(--c-feline-soft); color: #0f766e; border-color: #99f6e4; box-shadow: var(--e1); }
.species-toggle button.is-active-dog { background: var(--c-canine-soft); color: var(--c-canine); border-color: #fde68a; box-shadow: var(--e1); }

/* ---- Header / nav ----------------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(248, 249, 255, .92);
  backdrop-filter: blur(12px); border-bottom: 1px solid #e2e8f0;
}
.site-header .inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-lg); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--c-primary); color: #fff; display: grid; place-items: center; flex: none; }
.brand-mark svg { width: 20px; height: 20px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font: 700 15px/18px var(--font-head); color: var(--c-primary); }
.brand-text span { font: 500 11px/14px var(--font-body); color: var(--c-on-surface-variant); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 6px 10px; border-radius: var(--r-md); font: 600 13px/18px var(--font-body); color: var(--c-on-surface-variant); }
.nav a.is-active { background: var(--c-primary); color: var(--c-on-primary); }
.lang-menu { position: relative; font: 600 12px/16px var(--font-body); color: var(--c-on-surface-variant); }
.lang-menu > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid #e2e8f0; border-radius: var(--r-md); background: #fff; user-select: none; }
.lang-menu > summary::-webkit-details-marker { display: none; }
.lang-menu[open] > summary { border-color: var(--c-primary); color: var(--c-primary); }
.lang-menu .lang-list { position: absolute; right: 0; top: calc(100% + 6px); z-index: 30; display: flex; flex-direction: column; gap: 2px; min-width: 170px; padding: 6px; background: #fff; border: 1px solid #e2e8f0; border-radius: var(--r-md); box-shadow: 0 10px 28px rgba(15, 23, 42, .14); }
.lang-menu .lang-list button { text-align: left; padding: 8px 10px; border: 0; border-radius: 6px; background: transparent; cursor: pointer; font: inherit; color: inherit; }
.lang-menu .lang-list button:hover { background: var(--c-surface-container); }
.lang-menu .lang-list button.is-on { color: var(--c-primary); font-weight: 700; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--c-primary); color: #fff; display: grid; place-items: center; font: 600 12px/1 var(--font-body); }

/* ---- Footer ----------------------------------------------------------- */
.site-footer { margin-top: var(--sp-xl); border-top: 1px solid #e2e8f0; background: var(--c-surface-lowest); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--sp-xl); padding: var(--sp-xl) 0 var(--sp-lg); }
.site-footer h4 { font: 600 14px/20px var(--font-head); margin-bottom: 10px; }
.site-footer a, .site-footer p { color: var(--c-on-surface-variant); font: 400 13px/22px var(--font-body); }
.footer-bottom { border-top: 1px solid #e2e8f0; padding: var(--sp-md) 0; display: flex; justify-content: space-between; font: 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); }
.disclaimer { background: var(--c-surface-low); border: 1px solid #e2e8f0; border-radius: var(--r-xl); padding: var(--sp-md) var(--sp-lg); display: flex; gap: 10px; }

/* ---- Hero ------------------------------------------------------------- */
.hero { position: relative; overflow: hidden; padding: var(--sp-xl) 0 var(--sp-lg); }
.hero .glow-1, .hero .glow-2 { position: absolute; border-radius: 50%; filter: blur(60px); pointer-events: none; }
.hero .glow-1 { width: 360px; height: 360px; right: 40px; top: -120px; background: rgba(254, 147, 44, .12); }
.hero .glow-2 { width: 320px; height: 320px; left: -80px; top: 140px; background: rgba(0, 92, 85, .06); }

/* ---- Stat cards ------------------------------------------------------- */
.stat { background: var(--c-surface-lowest); border: 1px solid #e2e8f0; border-radius: var(--r-xl); padding: var(--sp-md) var(--sp-lg); box-shadow: var(--e1); }
.stat b { display: block; font: 700 24px/30px var(--font-head); color: var(--c-primary); }
.stat span { font: 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); }

/* ---- Category tiles --------------------------------------------------- */
.cat-tile { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: var(--sp-md); background: #fff; border: 1px solid #e2e8f0; border-radius: var(--r-xl); box-shadow: var(--e1); text-align: center; }
.cat-tile .ico { width: 44px; height: 44px; border-radius: var(--r-lg); display: grid; place-items: center; font-size: 20px; background: var(--c-surface-container); }
.cat-tile .tile-img { width: 100%; height: 104px; object-fit: cover; border-radius: var(--r-lg); background: var(--c-surface-container); }
.cat-tile b { font: 600 14px/20px var(--font-head); }
.cat-tile span { font: 400 12px/16px var(--font-body); color: var(--c-on-surface-variant); }

/* ---- Food cards ------------------------------------------------------- */
/* ---- 食材卡片（列表 / 分类 / 首页共用） -------------------------------- */
/* 食材卡片网格：按容器宽度自动排列（桌面约 4-5 列、平板 3 列、手机 2 列） */
.food-grid { display: grid; gap: var(--sp-md); grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
@media (max-width: 520px) { .food-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-sm); } }

.food-card {
  position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid #e2e8f0; border-radius: var(--r-xl); box-shadow: var(--e1);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.food-card:hover { transform: translateY(-3px); box-shadow: var(--e3); border-color: var(--c-outline-variant); }
.food-card-media { position: relative; aspect-ratio: 4 / 3; background: var(--c-surface-container); overflow: hidden; }
.food-card-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.food-card:hover .food-card-media img { transform: scale(1.05); }
.food-card-badge { position: absolute; top: 10px; left: 10px; z-index: 3; }
/* 覆盖整卡的点击层：图片、摘要、空白处点击都进详情。
   内容层 pointer-events:none，只有标题与「查看详情」两个真链接重新打开指针事件。
   （注意：标题条是 absolute 定位，若继续用 stretched-link，::after 的定位祖先会变成标题条本身而缩水成一条 D-060） */
.food-card-hit { position: absolute; inset: 0; z-index: 1; }
.food-card-media, .food-card-body { position: relative; z-index: 2; pointer-events: none; }
.food-card-title a, .food-card-cta { pointer-events: auto; }
.food-card-cta:hover { text-decoration: underline; }
.food-card-hit:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
.food-card-placeholder { display: grid; place-items: center; height: 100%; font-size: 32px; opacity: .45; }
.food-card-title {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; margin: 0;
  padding: 30px 14px 10px; color: #fff;
  background: linear-gradient(to top, rgba(11, 28, 48, .9), rgba(11, 28, 48, .55) 58%, rgba(11, 28, 48, 0));
}
.food-card-title a { color: inherit; text-decoration: none; font: 600 16px/22px var(--font-head); }
.food-card-title a:hover { text-decoration: underline; }
.food-card-sci { display: block; margin-top: 2px; font: italic 400 11.5px/16px var(--font-body); opacity: .88; }
.food-card-body { display: flex; flex: 1; flex-direction: column; gap: 12px; padding: 12px 14px 14px; }
.food-card-summary {
  margin: 0; color: var(--c-on-surface-variant); font: 400 13px/20px var(--font-body);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.food-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; }
.food-card-cta { display: inline-flex; align-items: center; gap: 4px; font: 500 12px/16px var(--font-body); color: var(--c-primary); }
.food-card-cta .arrow { transition: transform .16s ease; }
.food-card:hover .food-card-cta .arrow { transform: translateX(3px); }
/* 无图时标题回落到卡片正文（白字会看不见） */
.food-card[data-has-image="false"] .food-card-title { position: static; padding: 12px 14px 0; color: var(--c-on-surface); background: none; }
.food-card[data-has-image="false"] .food-card-sci { color: var(--c-on-surface-variant); }
/* 列表项整块可点：卡片/行内只有一个主链接时，用「拉伸链接」把整张卡片变成点击区域（图片、标题都能点） */
.food-card h3 a,
.row-item .row-item-title a,
.card[data-food-card] a.stretched-link { color: inherit; text-decoration: none; }
.food-card h3 a:hover,
.row-item .row-item-title a:hover,
.card[data-food-card] a.stretched-link:hover { color: var(--c-primary); }
.card[data-food-card] { position: relative; }
.stretched-link::after { content: ""; position: absolute; inset: 0; }
.row-item { position: relative; transition: background .12s ease; }
.row-item:hover { background: var(--c-surface-low, #f8fafc); }
.sci { font: italic 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); }
.rule { display: flex; gap: 6px; font: 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); align-items: flex-start; }
.rule::before { content: "✓"; color: var(--c-safe-fg); font-weight: 700; }

/* ---- Emergency callout (COMPONENT-004) -------------------------------- */
.emergency { background: #fef2f2; border: 1px solid var(--c-toxic-line); border-left: 4px solid var(--c-toxic-fg); border-radius: var(--r-xl); box-shadow: var(--e3); }
.emergency .head { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-md); padding: var(--sp-md) var(--sp-lg); border-bottom: 1px solid var(--c-toxic-line); }
.emergency h3 { color: #991b1b; }
.step { background: #fff; border: 1px solid var(--c-toxic-line); border-radius: var(--r-lg); padding: 12px; }
.step b { display: block; font: 600 13px/18px var(--font-body); color: #991b1b; margin-bottom: 4px; }
.step p { margin: 0; font: 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); }

/* ---- Accordion -------------------------------------------------------- */
.acc { border: 1px solid #e2e8f0; border-radius: var(--r-lg); background: #fff; }
.acc + .acc { margin-top: 10px; }
.acc .acc-head { display: flex; align-items: center; gap: 12px; padding: 14px var(--sp-md); }
.acc .acc-body { padding: 0 var(--sp-md) 14px 52px; border-top: 1px solid #e2e8f0; }
.acc .num { width: 26px; height: 26px; border-radius: 50%; background: var(--c-surface-container); color: var(--c-primary); display: grid; place-items: center; font: 700 12px/1 var(--font-body); flex: none; }
.chev { margin-left: auto; color: var(--c-outline); }

/* ---- Quotes / citations ---------------------------------------------- */
.cite { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed #e2e8f0; }
.cite:last-child { border-bottom: 0; }
.cite .idx { flex: none; width: 22px; height: 22px; border-radius: var(--r-sm); background: var(--c-surface-container); display: grid; place-items: center; font: 600 11px/1 var(--font-body); color: var(--c-primary); }

/* ---- Tables ----------------------------------------------------------- */
table.tbl { width: 100%; border-collapse: collapse; }
table.tbl th { text-align: left; font: 600 12px/16px var(--font-body); color: var(--c-on-surface-variant); background: var(--c-surface-low); padding: 10px 12px; border-bottom: 1px solid #e2e8f0; }
table.tbl td { padding: 12px; border-bottom: 1px solid #e2e8f0; font: 400 13px/20px var(--font-body); vertical-align: middle; }
table.tbl tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:nth-child(even) { background: #fbfcff; }

/* ---- Admin shell ------------------------------------------------------ */
.admin-body { background: var(--c-surface-low); }
.admin-shell { display: grid; grid-template-columns: 236px minmax(0, 1fr); min-height: 100vh; }
.admin-side { background: var(--c-surface-lowest); border-right: 1px solid #e2e8f0; padding: var(--sp-lg) var(--sp-md); display: flex; flex-direction: column; gap: 4px; }
.admin-side .grp { font: 600 11px/16px var(--font-body); color: var(--c-outline); padding: 10px 10px 4px; }
.admin-side a { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: var(--r-md); font: 500 13px/18px var(--font-body); color: var(--c-on-surface-variant); }
.admin-side a.is-active { background: var(--c-primary); color: var(--c-on-primary); font-weight: 600; }
.admin-main { padding: var(--sp-lg) var(--margin-desktop) var(--sp-xl); }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--sp-md); margin-bottom: var(--sp-lg); }
.breadcrumb { display: flex; align-items: center; gap: 6px; font: 400 12px/18px var(--font-body); color: var(--c-on-surface-variant); margin-bottom: 8px; }
.breadcrumb b { color: var(--c-on-surface); font-weight: 600; }

/* ---- Tabs ------------------------------------------------------------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid #e2e8f0; }
.tabs button { height: 40px; padding: 0 14px; border: 0; background: transparent; color: var(--c-on-surface-variant); font: 600 13px/18px var(--font-body); border-bottom: 2px solid transparent; }
.tabs button.is-active { color: var(--c-primary); border-bottom-color: var(--c-primary); }

/* ---- Empty / loading / error states ---------------------------------- */
.state { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: var(--sp-xl) var(--sp-lg); text-align: center; }
.state .ico { width: 56px; height: 56px; border-radius: 50%; background: var(--c-surface-container); display: grid; place-items: center; font-size: 24px; color: var(--c-primary); }
.state .ico svg { width: 28px; height: 28px; display: block; }
.skeleton { background: linear-gradient(90deg, #eff4ff 25%, #e5eeff 37%, #eff4ff 63%); background-size: 400% 100%; border-radius: var(--r-md); animation: sk 1.2s ease-in-out infinite; }
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.notice { display: flex; gap: 10px; padding: 12px 14px; border-radius: var(--r-lg); font: 400 13px/20px var(--font-body); }
.notice-info { background: var(--c-surface-container); color: #1e3a5f; }
.notice-warn { background: var(--c-caution-bg); color: var(--c-caution-fg); }
.notice-error { background: var(--c-toxic-bg); color: #991b1b; }
.notice-ok { background: var(--c-safe-bg); color: var(--c-safe-fg); }

/* ---- Progress / meters ------------------------------------------------ */
.meter { height: 8px; border-radius: var(--r-full); background: var(--c-surface-container); overflow: hidden; }
.meter > i { display: block; height: 100%; background: var(--c-primary); }

/* ---- Key value list -------------------------------------------------- */
.kv { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 8px 12px; font: 400 13px/20px var(--font-body); }
.kv dt { color: var(--c-on-surface-variant); }
.kv dd { margin: 0; }

/* ---- Annotation marker (design doc helper, hidden in final render) ---- */
.note { display: inline-flex; align-items: center; gap: 5px; font: 600 10px/14px var(--font-body); color: #64748b; background: #f1f5f9; border: 1px dashed #cbd5e1; border-radius: var(--r-sm); padding: 1px 6px; }
/* ---- Admin list rows / login ----------------------------------------- */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center;
  background:
    radial-gradient(600px 400px at 15% 10%, rgba(13, 148, 136, .10), transparent),
    radial-gradient(600px 400px at 85% 90%, rgba(254, 147, 44, .10), transparent), var(--c-surface);
}
.login-card { width: 420px; background: #fff; border: 1px solid #e2e8f0; border-radius: var(--r-2xl); box-shadow: var(--e2); padding: var(--sp-xl); }
.row-item { display: flex; align-items: center; gap: var(--sp-md); padding: 12px var(--sp-lg); border-bottom: 1px solid #e2e8f0; }
.row-item:last-child { border-bottom: 0; }
.thumbs { width: 40px; height: 40px; border-radius: var(--r-md); background: var(--c-surface-low); display: grid; place-items: center; font-size: 18px; flex: none; }

/* ---- Responsive: mobile < 768px (4-col fluid, single-column stacks) ---- */
@media (max-width: 767px) {
  .shell { padding: 0 var(--margin); }
  .site-header .inner { flex-wrap: wrap; height: auto; padding-top: 8px; padding-bottom: 8px; row-gap: 8px; }
  .site-header .brand-text span { display: none; }
  .login-card { width: auto; margin: 0 var(--margin); }
  .nav, .site-header .input-icon, .admin-link { display: none; }
  .g-2, .g-3, .g-4, .g-6, .g-main-rail, .g-rail-main { grid-template-columns: minmax(0, 1fr); }
  .grid { gap: var(--sp-md); }
  .t-display { font-size: 28px; line-height: 34px; }
  .t-h1 { font-size: 22px; line-height: 28px; }
  .site-footer .cols { grid-template-columns: 1fr; gap: var(--sp-lg); padding: var(--sp-lg) 0; }
  .hero { padding: var(--sp-lg) 0 var(--sp-md); }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { display: none; }
  .admin-main { padding: var(--sp-md) var(--margin) var(--sp-xl); }
  .page-head { flex-direction: column; align-items: flex-start; }
  .emergency .head { flex-direction: column; align-items: flex-start; }
  .row-between { flex-wrap: wrap; }
  table.tbl { font-size: 12px; }
  table.tbl th, table.tbl td { padding: 8px; }
}

.phone { width: 390px; margin: 0 auto; background: var(--c-surface-lowest); border: 1px solid #e2e8f0; border-radius: 28px; overflow: hidden; box-shadow: var(--e2); }
.phone .notch { height: 26px; background: var(--c-on-surface); color: #fff; display: grid; place-items: center; font: 500 10px/1 var(--font-body); }
.phone .screen { padding: var(--sp-md); }


/* 图片文字标识：照片本身常常看不出是什么食材，因此在图上叠加「名称 + 学名」。
   pointer-events:none 保证叠加层不会挡住卡片上的 stretched-link 点击区。 */
.img-figure { position: relative; }
.img-caption {
  position: absolute; left: 0; right: 0; bottom: 0; margin: 0;
  padding: 20px 12px 8px; color: #fff;
  font: 600 13px/1.35 var(--font-body);
  background: linear-gradient(to top, rgba(15, 23, 42, .85), rgba(15, 23, 42, .5) 55%, rgba(15, 23, 42, 0));
  display: flex; flex-wrap: wrap; gap: 2px 8px; align-items: baseline;
  pointer-events: none;
}
.img-caption .sci { font: italic 400 11px/1.35 var(--font-body); opacity: .9; }
@media (min-width: 768px) {
  .img-caption { font-size: 15px; padding: 26px 16px 10px; }
  .img-caption .sci { font-size: 12px; }
}
@media print { .img-caption { position: static; background: none; color: #000; padding: 4px 0 0; } }