/* 三餐·四季 — 家庭食谱手账风
   暖米纸底 + 柿红主色 + 蔬菜绿辅色 + 纸纹颗粒
   零外链资源：字体走系统中文栈，纹理用内联 SVG */

:root {
  --paper: #f7f1e6;
  --paper-deep: #efe6d4;
  --card: #fffdf7;
  --ink: #33302a;
  --ink-soft: #7a7263;
  --line: #e5dcc8;
  --accent: #c8472b;       /* 柿红 */
  --accent-deep: #a83a22;
  --green: #4a7c59;        /* 蔬菜绿 */
  --green-soft: #e8f0e6;
  --gold: #c98f2d;
  --gold-soft: #f6ecd6;
  --red-soft: #f9e9e2;
  --shadow: 0 2px 10px rgba(90, 70, 40, 0.08);
  --radius: 14px;
  --font-display: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
  --font-body: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-hand: "Kaiti SC", "STKaiti", "KaiTi", cursive;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  /* 纸张颗粒 + 轻微格纹，营造手账纸面 */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E"),
    linear-gradient(var(--paper-deep) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-deep) 1px, transparent 1px);
  background-size: 140px 140px, 28px 28px, 28px 28px;
  line-height: 1.6;
  min-height: 100dvh;
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
}

#app { max-width: 640px; margin: 0 auto; padding: 0 16px; }

/* ---------- 页头 ---------- */
.masthead { padding: 22px 2px 6px; }
.masthead-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; }
.brand h1 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-deep);
}
.motto { font-family: var(--font-hand); color: var(--ink-soft); font-size: 0.9rem; margin-top: -2px; }
.today-badge { text-align: right; font-family: var(--font-display); max-width: 55%; }
.today-badge #heroDate { display: block; font-size: 1rem; color: var(--ink); white-space: nowrap; }
.today-badge #heroWeekday { font-size: 0.8rem; color: var(--ink-soft); white-space: nowrap; }

.tip-card {
  margin-top: 14px;
  background: var(--green-soft);
  border: 1px dashed var(--green);
  border-radius: var(--radius);
  padding: 10px 14px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.tip-icon { font-size: 1.2rem; line-height: 1.4; }
.tip-card p { font-family: var(--font-hand); font-size: 0.95rem; color: #2f4a37; }

/* ---------- 今日餐次 ---------- */
.meal-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 16px;
  overflow: hidden;
  animation: rise 0.5s ease both;
}
.meal-card:nth-of-type(2) { animation-delay: 0.07s; }
.meal-card:nth-of-type(3) { animation-delay: 0.14s; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.meal-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px 8px;
  border-bottom: 2px solid var(--paper-deep);
}
.meal-title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.meal-note { font-size: 0.8rem; color: var(--ink-soft); }
.meal-note strong { color: var(--green); font-weight: 600; }

.dish { border-bottom: 1px dashed var(--line); }
.dish:last-child { border-bottom: none; }
.dish-main { display: flex; align-items: center; gap: 10px; padding: 12px 16px 4px; }
.dish-name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  flex: 1;
  min-width: 0;
}
.dish-meta { padding: 0 16px 8px; font-size: 0.8rem; color: var(--ink-soft); display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; }
.dish-actions { display: flex; gap: 8px; padding: 4px 16px 12px; }
.act-btn {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  border-radius: 999px;
  font-size: 0.8rem;
  padding: 4px 12px;
  cursor: pointer;
  font-family: var(--font-body);
}
.act-btn:active { transform: scale(0.96); }
.act-btn.swap { color: var(--accent); border-color: #e3b7ab; background: var(--red-soft); }
.act-btn.hate { color: #8a5a3b; }
.act-btn[disabled] { opacity: 0.45; }

/* 营养小图章 */
.stamps { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px; }
.stamp {
  font-size: 0.72rem;
  padding: 1px 9px;
  border-radius: 999px;
  border: 1px solid;
  transform: rotate(-1.2deg);
  white-space: nowrap;
}
.stamp:nth-child(even) { transform: rotate(1.1deg); }
.stamp.t-高蛋白 { color: var(--accent-deep); border-color: #e0b2a6; background: var(--red-soft); }
.stamp.t-高钙 { color: #2f5e40; border-color: #b3cdb6; background: var(--green-soft); }
.stamp.t-富铁 { color: #943a2e; border-color: #dbb1a9; background: #f8ebe5; }
.stamp.t-补锌 { color: #8a6210; border-color: #dfc48a; background: var(--gold-soft); }
.stamp.t-维C { color: #b3541e; border-color: #e4bf9e; background: #faeeda; }
.stamp.t-深色蔬菜 { color: #2f5e40; border-color: #b3cdb6; background: #eef4ec; }
.stamp.t-高纤维 { color: #6b6437; border-color: #cfc99f; background: #f4f1dd; }

/* 做法（可展开） */
.steps-wrap { display: none; padding: 2px 18px 14px; }
.steps-wrap.open { display: block; animation: rise 0.3s ease; }
.steps-wrap ol { padding-left: 20px; }
.steps-wrap li { font-size: 0.9rem; color: #4c463c; margin: 4px 0; }
.steps-wrap .ing-line { font-size: 0.85rem; color: var(--ink-soft); margin: 6px 0 10px; }
.steps-wrap .ing-line b { color: var(--ink); font-weight: 600; }

/* ---------- 本周 ---------- */
.week-day {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 12px;
  overflow: hidden;
}
.week-day-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  cursor: pointer;
}
.week-day-head .wd { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; }
.week-day-head .wd .tag-today { color: var(--accent); font-size: 0.78rem; margin-left: 6px; }
.week-day-head .wd-sub { font-size: 0.78rem; color: var(--ink-soft); }
.week-day-body { display: none; border-top: 1px dashed var(--line); padding: 8px 16px 12px; }
.week-day.open .week-day-body { display: block; }
.week-row { font-size: 0.88rem; padding: 3px 0; }
.week-row b { font-family: var(--font-display); color: var(--accent-deep); font-weight: 700; margin-right: 8px; }

/* ---------- 买菜清单 ---------- */
.seg { display: flex; background: var(--paper-deep); border-radius: 999px; padding: 4px; margin-top: 14px; }
.seg-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 7px 0;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--font-body);
}
.seg-btn.active { background: var(--card); color: var(--accent-deep); font-weight: 600; box-shadow: var(--shadow); }

.shop-group {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 12px;
  overflow: hidden;
}
.shop-group h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 10px 16px 6px;
  border-bottom: 2px solid var(--paper-deep);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.shop-group h3 .g-note { font-size: 0.74rem; color: var(--ink-soft); font-family: var(--font-body); font-weight: 400; }
.shop-item { display: flex; align-items: center; gap: 10px; padding: 8px 16px; border-bottom: 1px dashed var(--line); font-size: 0.92rem; }
.shop-item:last-child { border-bottom: none; }
.shop-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--green); flex-shrink: 0; }
.shop-item .s-name { flex: 1; }
.shop-item .s-qty { font-size: 0.76rem; color: var(--ink-soft); }
.shop-item.checked .s-name { text-decoration: line-through; color: var(--ink-soft); }

/* ---------- 菜库 ---------- */
.lib-tools { position: sticky; top: 0; z-index: 5; background: var(--paper); padding: 12px 0 8px; margin: 0 -16px; padding-left: 16px; padding-right: 16px; border-bottom: 1px solid var(--line); }
#libSearch {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  background: var(--card);
  color: var(--ink);
  outline: none;
}
#libSearch:focus { border-color: var(--accent); }
.chips { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.82rem;
  color: var(--ink-soft);
  cursor: pointer;
  font-family: var(--font-body);
}
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.season-toggle { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 0.82rem; color: var(--green); }
.season-toggle input { accent-color: var(--green); width: 16px; height: 16px; }

.lib-dish {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-top: 10px;
  padding: 11px 16px;
}
.lib-dish .dish-name { font-size: 1.02rem; }
.lib-empty { text-align: center; color: var(--ink-soft); padding: 40px 0; font-family: var(--font-hand); }

/* ---------- 底部导航 ---------- */
.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-around;
  background: rgba(255, 253, 247, 0.94);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  z-index: 10;
}
.tab {
  border: none;
  background: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  font-size: 0.7rem;
  color: var(--ink-soft);
  cursor: pointer;
  padding: 4px 14px;
  font-family: var(--font-body);
}
.tab-ico { font-size: 1.35rem; filter: grayscale(0.85); transition: filter 0.15s, transform 0.15s; }
.tab.active { color: var(--accent-deep); font-weight: 600; }
.tab.active .tab-ico { filter: none; transform: translateY(-1px) scale(1.08); }

.page-footnote { text-align: center; font-size: 0.74rem; color: var(--ink-soft); padding: 22px 0 8px; font-family: var(--font-hand); }

/* ---------- 加载/错误 ---------- */
.load-state { text-align: center; padding: 90px 20px; color: var(--ink-soft); }
.load-state .bowl { font-size: 2.6rem; animation: simmer 1.2s ease-in-out infinite; display: inline-block; }
@keyframes simmer { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
#retryBtn {
  margin-top: 14px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: 999px;
  padding: 7px 26px;
  font-size: 0.9rem;
  cursor: pointer;
}
#toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translateX(-50%);
  background: rgba(51, 48, 42, 0.92);
  color: #fff;
  font-size: 0.85rem;
  border-radius: 999px;
  padding: 8px 20px;
  z-index: 20;
  animation: rise 0.25s ease;
  max-width: 80vw;
  text-align: center;
}

/* 存储不可用时的提示条 */
.storage-warn {
  background: var(--gold-soft);
  border: 1px dashed var(--gold);
  color: #7a5a14;
  font-size: 0.8rem;
  border-radius: 10px;
  padding: 8px 12px;
  margin-top: 12px;
}

@media (min-width: 680px) {
  .masthead { padding-top: 34px; }
  .brand h1 { font-size: 2.2rem; }
}