/* 健康助手 - 网页/桌面共用样式 */
:root {
  --bg: #f4f6f3;
  --card: #ffffff;
  --ink: #243329;
  --muted: #7b8a80;
  --line: #e3e9e4;
  --green: #2f9e63;
  --green-dark: #24794d;
  --green-soft: #e4f4ea;
  --orange: #e8721c;
  --orange-soft: #fdeede;
  --red: #d64545;
  --red-soft: #fbe9e9;
  --yellow: #c7930a;
  --yellow-soft: #fbf3da;
  --blue: #2f6f9e;
  --blue-soft: #e7f0f7;
  --radius: 14px;
}
* { box-sizing: border-box; }
/* P1-1：通用隐藏类（任意元素加 .hidden 即隐藏，避免 JS 只能靠内联样式） */
.hidden { display: none !important; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

/* ---- 顶栏 ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(135deg, #2f9e63, #1f7a4c);
  color: #fff;
  padding: 14px 18px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,.12);
}
.brand { font-size: 19px; font-weight: 700; letter-spacing: .5px; }
.brand .sub { font-size: 12px; font-weight: 400; opacity: .85; margin-left: 10px; }
.tabs { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }
.tab {
  border: none; background: rgba(255,255,255,.14); color: #fff;
  padding: 9px 16px; border-radius: 10px 10px 0 0; cursor: pointer; font-size: 14px;
  transition: background .15s;
}
.tab:hover { background: rgba(255,255,255,.24); }
.tab.active { background: var(--bg); color: var(--ink); font-weight: 600; }
.badge {
  display: inline-block; min-width: 18px; padding: 1px 5px; margin-left: 6px;
  border-radius: 9px; background: #ff6b4a; color: #fff; font-size: 11px; text-align: center;
}
.badge.hidden { display: none; }

/* ---- 布局 ---- */
main { max-width: 1080px; margin: 0 auto; padding: 18px; }
.panel { display: none; }
.panel.active { display: block; }
.card {
  background: var(--card); border-radius: var(--radius);
  padding: 18px 20px; margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(30,60,40,.06);
}
.card h2 { margin: 0 0 14px; font-size: 17px; }
.foot { text-align: center; color: var(--muted); font-size: 12px; padding: 10px 0 24px; }

/* ---- 表单 ---- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.form-grid label, .block-label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.form-grid input, .form-grid select, .block-label textarea {
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px;
  font-size: 14px; color: var(--ink); background: #fbfcfb; font-family: inherit;
}
.form-grid input:focus, .form-grid select:focus, .block-label textarea:focus {
  outline: none; border-color: var(--green); background: #fff;
}
.block-label { margin: 12px 0; }
.block-label textarea { resize: vertical; }
.quick-row { margin-top: 12px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.chip {
  border: 1px solid var(--line); background: #f7faf7; color: var(--ink);
  border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: 12.5px;
}
.chip:hover { border-color: var(--green); color: var(--green-dark); }
.btn-row { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.btn {
  border: none; border-radius: 10px; padding: 10px 18px; font-size: 14px; cursor: pointer;
  transition: transform .06s, box-shadow .15s;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--green); color: #fff; }
.btn.primary:hover { background: var(--green-dark); }
.btn.ghost { background: var(--green-soft); color: var(--green-dark); }
.btn.danger.ghost { background: var(--red-soft); color: var(--red); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.hint { color: var(--muted); font-size: 12.5px; margin: 10px 0 0; }
.muted { color: var(--muted); }

/* ---- 冰箱列表 ---- */
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.stat {
  background: #f7faf7; border-radius: 10px; padding: 8px 14px; font-size: 13px; color: var(--muted);
}
.stat b { color: var(--ink); font-size: 16px; margin-right: 4px; }
.stat.warn b { color: var(--orange); }
.stat.bad b { color: var(--red); }
.fridge-list { display: flex; flex-direction: column; gap: 8px; }
.fridge-item {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line); border-radius: 11px; padding: 10px 14px;
}
.fridge-item .f-main { flex: 1; min-width: 0; }
.fridge-item .f-name { font-weight: 600; font-size: 15px; }
.fridge-item .f-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap;
}
.tag.ok      { background: var(--green-soft); color: var(--green-dark); }
.tag.soon    { background: var(--yellow-soft); color: var(--yellow); }
.tag.urgent  { background: var(--orange-soft); color: var(--orange); font-weight: 600; }
.tag.expired { background: var(--red-soft); color: var(--red); font-weight: 600; }
/* QA问题2：与小程序 app.wxss 一致的「日期无效」灰标 */
.tag.unknown { background: #f0f1f0; color: #7b8a80; }
.del-btn {
  border: none; background: transparent; color: var(--muted); font-size: 16px; cursor: pointer;
  padding: 4px 8px; border-radius: 8px;
}
.del-btn:hover { background: var(--red-soft); color: var(--red); }
.edit-btn:hover { background: var(--blue-soft); color: var(--blue); }

/* L1：删除撤销横幅（固定底部） */
.undo-bar {
  position: fixed; left: 16px; right: 16px; bottom: 18px; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--ink); color: #fff;
  border-radius: 12px; padding: 12px 16px; font-size: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.undo-bar .chip { background: rgba(255,255,255,.18); border-color: transparent; color: #fff; }
.undo-bar .chip:hover { border-color: transparent; color: #fff; background: rgba(255,255,255,.3); }
.empty-note { color: var(--muted); text-align: center; padding: 26px 0; font-size: 14px; }
.cat-dot { font-size: 16px; margin-right: 2px; }

/* ---- 测算结果 ---- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 14px; }
.metric { background: #f7faf7; border-radius: 12px; padding: 12px; text-align: center; }
.metric .v { font-size: 22px; font-weight: 700; color: var(--green-dark); }
.metric .k { font-size: 12px; color: var(--muted); margin-top: 3px; }
.macro-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; margin-bottom: 14px; }
.macro { border-radius: 12px; padding: 10px 12px; font-size: 13px; background: var(--blue-soft); color: var(--blue); text-align: center; }
.macro b { display: block; font-size: 17px; }
.goal-note { background: var(--green-soft); color: var(--green-dark); border-radius: 10px; padding: 10px 14px; font-size: 13.5px; margin-bottom: 14px; }

/* ---- 餐次卡片 ---- */
.day-block { margin-bottom: 18px; }
.day-title { font-weight: 700; font-size: 15px; margin: 0 0 8px 2px; color: var(--green-dark); }
.meals { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.meal { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #fdfefd; }
.meal-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.meal-head .slot { font-size: 12px; color: #fff; background: var(--green); border-radius: 6px; padding: 2px 8px; }
.meal-head .slot.snack { background: var(--orange); }
.meal-head .name { font-weight: 700; font-size: 14.5px; }
.meal-head .kcal { margin-left: auto; color: var(--green-dark); font-weight: 700; font-size: 13px; }
.meal .npc { font-size: 12px; color: var(--muted); margin-top: 4px; }
.meal .items { margin-top: 8px; font-size: 13px; line-height: 1.9; }
.item-note { display: inline-block; font-size: 11px; border-radius: 6px; padding: 1px 6px; margin-left: 4px; }
.item-note.fridge { background: var(--green-soft); color: var(--green-dark); }
.item-note.extra { background: var(--blue-soft); color: var(--blue); }
.item-note.buy { background: #f0f1f0; color: var(--muted); }
.meal details { margin-top: 8px; font-size: 13px; }
.meal summary { cursor: pointer; color: var(--blue); }
.meal ol { margin: 8px 0 0; padding-left: 18px; color: var(--ink); line-height: 1.8; }
.total-line { background: #f7faf7; border-radius: 10px; padding: 10px 14px; font-size: 13.5px; margin-bottom: 14px; }
.total-line b { color: var(--green-dark); }

/* ---- 联动结果 ---- */
.log-box { border-left: 3px solid var(--green); background: #f7fbf8; border-radius: 8px; padding: 10px 14px; font-size: 13px; margin-bottom: 12px; }
.log-box.warn { border-color: var(--orange); background: var(--orange-soft); }
.log-box.muted-box { border-color: var(--line); background: #f7f8f7; color: var(--muted); }
.log-box h4 { margin: 0 0 6px; font-size: 13.5px; }
.log-box ul { margin: 0; padding-left: 18px; line-height: 1.9; }
.consume-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; flex-wrap: wrap; }
.consume-bar { flex: 1; min-width: 120px; height: 8px; background: #eef2ee; border-radius: 4px; overflow: hidden; }
.consume-bar i { display: block; height: 100%; background: var(--green); border-radius: 4px; }
.shopping-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-top: 8px; }
.shopping-table th, .shopping-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.shopping-table th { color: var(--muted); font-weight: 600; font-size: 12.5px; }
.shopping-table .buy { color: var(--orange); font-weight: 700; }

@media (max-width: 640px) {
  main { padding: 12px; }
  .card { padding: 14px; }
  .topbar { padding: 12px 12px 0; }
}

/* ==================== v2.0 ==================== */

/* 顶栏品牌行 + 主题按钮 */
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.theme-btn {
  border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.14); color: #fff;
  border-radius: 10px; padding: 5px 10px; cursor: pointer; font-size: 15px;
}
.theme-btn:hover { background: rgba(255,255,255,.26); }

/* 条码 / 自定义食材 / 备份 */
.barcode-row { margin-top: 12px; display: grid; grid-template-columns: minmax(200px, 320px) auto; gap: 10px; align-items: end; }
.barcode-row label { display: flex; flex-direction: column; gap: 5px; font-size: 13px; color: var(--muted); }
.barcode-row input { border: 1px solid var(--line); border-radius: 9px; padding: 9px 10px; font-size: 14px; background: #fbfcfb; }
.custom-form { margin: 10px 0 4px; }
.summary-title { cursor: pointer; font-weight: 700; font-size: 15px; color: var(--ink); }
.custom-list { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; }
.file-label { display: inline-flex; align-items: center; position: relative; overflow: hidden; }
.file-label input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

/* 最近添加 / 忌口 chips */
.pref-chip.active { border-color: var(--red); color: var(--red); background: var(--red-soft); }
.veg-toggle { font-size: 13px; color: var(--ink); display: inline-flex; align-items: center; gap: 5px; }

/* 体重趋势 */
.trend-row { margin: 10px 0 14px; }
.trend-label { display: block; font-size: 13px; color: var(--ink); margin-bottom: 4px; }
.trend-label i { font-style: normal; font-size: 11.5px; }
.trend-svg { width: 100%; height: 70px; display: block; }
.weight-list { margin-top: 8px; }
.weight-list .del-btn { margin-left: auto; }

/* 扫码浮层 */
.scan-overlay {
  position: fixed; inset: 0; z-index: 99; background: rgba(10,14,11,.72);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.scan-overlay.hidden { display: none; }
.scan-box { background: var(--card); border-radius: 16px; padding: 14px; width: min(420px, 100%); }
.scan-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.scan-box video { width: 100%; border-radius: 12px; background: #000; aspect-ratio: 4/3; object-fit: cover; }

/* ---------- 深色模式（跟随系统 + 手动切换） ---------- */
:root[data-theme="dark"] {
  --bg: #121814; --card: #1d251f; --ink: #e4ece6; --muted: #8fa096; --line: #2b352e;
  --green: #37a86b; --green-dark: #55c98c; --green-soft: #1b3226;
  --orange-soft: #382713; --red: #e06c6c; --red-soft: #3a1e1e;
  --yellow: #d5a52c; --yellow-soft: #342b12; --blue: #6aa6d6; --blue-soft: #182a3a;
}
:root[data-theme="dark"] .topbar { background: linear-gradient(135deg, #1e5c3b, #153f28); }
:root[data-theme="dark"] .tab.active { background: var(--bg); color: var(--ink); }
:root[data-theme="dark"] .meal { background: #222b24; }
:root[data-theme="dark"] .stat, :root[data-theme="dark"] .metric,
:root[data-theme="dark"] .chip, :root[data-theme="dark"] .total-line { background: #232d26; }
:root[data-theme="dark"] .form-grid input, :root[data-theme="dark"] .form-grid select,
:root[data-theme="dark"] .block-label textarea, :root[data-theme="dark"] .barcode-row input {
  background: #18201b; color: var(--ink); border-color: var(--line);
}
:root[data-theme="dark"] .btn.ghost { background: #22402f; color: #6fd399; }
:root[data-theme="dark"] .btn.danger.ghost { background: var(--red-soft); color: var(--red); }
:root[data-theme="dark"] .log-box { background: #1f2a22; }
:root[data-theme="dark"] .log-box.muted-box { background: #1f2921; }
:root[data-theme="dark"] .consume-bar { background: #2a352d; }
:root[data-theme="dark"] .item-note.buy { background: #2a352d; color: var(--muted); }
:root[data-theme="dark"] .scan-box { background: #1d251f; }
/* QA问题3：dark 下 --ink 变浅色，撤销横幅改用固定深底保证两种主题都可读 */
:root[data-theme="dark"] .undo-bar { background: #2a352d; color: var(--ink); }
:root[data-theme="dark"] .undo-bar .chip { background: rgba(255,255,255,.14); color: var(--ink); }
/* QA问题2 配套：dark 下灰标改用主题深底，避免亮块突兀且保持可读 */
:root[data-theme="dark"] .tag.unknown { background: #2a352d; color: var(--muted); }