/* =============================================================
   家庭每日点菜网站 · 点菜端样式（米其林三星 · 中式奢华）
   设计语言：宣纸留白 / 墨黑 / 暗金描边 / 宋体衬线 / 印章红
   ============================================================= */

/* Tailwind CSS（按规范引入；主体采用下方自定义设计令牌） */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

:root {
  /* 色彩系统 */
  --paper:        #F7F3EA;
  --paper-hi:     #FBF9F4;
  --paper-lo:     #EFE9DA;
  --ink:          #1C1C1C;
  --ink-deep:     #16140F;
  --gold:         #C9A86A;
  --gold-soft:    #D9C19A;
  --gold-deep:    #A8884A;
  --seal:         #9E2B25;
  --text:         #2B2620;
  --text-soft:    #6B6457;
  --text-light:   #F2EBDD;

  /* 字体系统 */
  --font-serif: "STSong", "Songti SC", "SimSun", "Noto Serif SC", serif;
  --font-sans:  "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;

  /* 尺度 */
  --maxw: 760px;
  --radius: 14px;
  --shadow-soft: 0 10px 40px rgba(28, 20, 15, 0.10);
  --shadow-card: 0 14px 50px rgba(28, 20, 15, 0.14);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background-color: var(--paper);
  /* 宣纸肌理 */
  background-image:
    radial-gradient(circle at 18% 12%, rgba(201,168,106,0.06), transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(158,43,37,0.05), transparent 46%),
    linear-gradient(180deg, var(--paper-hi), var(--paper));
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

img { display: block; max-width: 100%; }

/* ---------- 顶部品牌栏（吸顶） ---------- */
.brand-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(22, 20, 15, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201,168,106,0.35);
}
.brand-mark {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--text-light);
}
.brand-mark .zh {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.28em;
  color: var(--gold-soft);
}
.brand-mark .en {
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(242,235,221,0.55);
}
.brand-meta {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(242,235,221,0.6);
}

/* ---------- 分区吸顶导航 ---------- */
.cat-nav {
  position: sticky;
  top: 53px;
  z-index: 35;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 8px 14px;
  background: rgba(247, 243, 234, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201,168,106,0.30);
  scrollbar-width: none;
}
.cat-nav::-webkit-scrollbar { display: none; }
.cat-nav button {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.22em;
  color: var(--text-soft);
  padding: 8px 14px;
  position: relative;
  transition: color 0.3s ease;
}
.cat-nav button.active { color: var(--ink); }
.cat-nav button.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cat-nav button:hover { color: var(--ink); }

/* ---------- 主容器 ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px 140px;
}

/* ---------- 序章 / Hero ---------- */
.hero {
  text-align: center;
  padding: 46px 16px 30px;
}
.hero .seal {
  width: 46px; height: 46px;
  margin: 0 auto 18px;
  border-radius: 8px;
  background: var(--seal);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0;
  box-shadow: 0 6px 20px rgba(158,43,37,0.35);
  transform: rotate(-4deg);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.22em;
  margin: 0 0 12px;
  color: var(--ink);
}
.hero p {
  margin: 0 auto;
  max-width: 420px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-soft);
  letter-spacing: 0.06em;
}
.hero .rule {
  width: 120px; height: 1px;
  margin: 22px auto 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

/* ---------- 分区标题 ---------- */
.section { padding: 30px 0 6px; scroll-margin-top: 116px; }
.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.section-head .stamp {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 6px;
  background: var(--seal);
  color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 18px;
  transform: rotate(-3deg);
  box-shadow: 0 4px 14px rgba(158,43,37,0.3);
}
.section-head .title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--ink);
}
.section-head .line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.section-head .count {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-soft);
}

/* ---------- 菜品卡片 ---------- */
.dish-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 560px) {
  .dish-grid { grid-template-columns: 1fr 1fr; }
}

.dish-card {
  position: relative;
  background: var(--paper-hi);
  border: 1px solid rgba(201,168,106,0.40);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.35s cubic-bezier(.2,.7,.3,1), box-shadow 0.35s ease, border-color 0.35s ease;
  opacity: 0;
  transform: translateY(16px);
}
.dish-card.in { opacity: 1; transform: translateY(0); }
.dish-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--gold);
}
.dish-card.sold-out { opacity: 0.62; filter: grayscale(0.4); }
.dish-card.sold-out .dish-thumb::after {
  content: "售罄";
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 0.3em;
  color: #fff;
  background: rgba(22,20,15,0.5);
}

.dish-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--paper-lo);
}
.dish-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.2,.7,.3,1);
}
.dish-card:hover .dish-thumb img { transform: scale(1.06); }
.dish-thumb .badge {
  position: absolute; top: 10px; left: 10px;
  font-size: 11px; letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(22,20,15,0.78);
  color: var(--gold-soft);
  backdrop-filter: blur(4px);
}

.dish-body { padding: 14px 16px 16px; }
.dish-name {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 0 0 6px;
}
.dish-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0 0 12px;
  min-height: 22px;
}
.dish-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
}
.remark {
  flex: 1;
  min-width: 0;
  border: 0;
  border-bottom: 1px dashed rgba(107,100,87,0.5);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text);
  padding: 6px 2px;
  outline: none;
}
.remark::placeholder { color: rgba(107,100,87,0.7); }
.remark:focus { border-bottom-color: var(--gold); }

/* 数量步进器 */
.stepper {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.stepper button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold-deep);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: grid; place-items: center;
  transition: background 0.25s ease, color 0.25s ease, transform 0.15s ease;
}
.stepper button:active { transform: scale(0.9); }
.stepper button:disabled { opacity: 0.3; cursor: not-allowed; }
.stepper button:hover:not(:disabled) { background: var(--gold); color: #fff; }
.stepper .qty {
  min-width: 20px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--ink);
}

/* ---------- 底部购物车栏（固定玻璃质感） ---------- */
.cart-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(22, 20, 15, 0.86);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(201,168,106,0.45);
  transform: translateY(120%);
  transition: transform 0.45s cubic-bezier(.2,.8,.2,1);
}
.cart-bar.show { transform: translateY(0); }
.cart-summary {
  flex: 1;
  min-width: 0;
  color: var(--text-light);
}
.cart-summary .items {
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cart-summary .total {
  font-size: 11px;
  color: var(--gold-soft);
  letter-spacing: 0.1em;
}
.cart-clear {
  border: 0; background: transparent;
  color: rgba(242,235,221,0.6);
  font-size: 12px; letter-spacing: 0.1em;
  cursor: pointer; text-decoration: underline;
}
.btn-submit {
  flex: 0 0 auto;
  border: 0;
  padding: 13px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold-deep));
  color: var(--ink-deep);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.18em;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(201,168,106,0.4);
  transition: transform 0.18s ease, box-shadow 0.25s ease;
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,168,106,0.5); }
.btn-submit:active { transform: translateY(0); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

/* ---------- 昵称弹层 ---------- */
.modal-mask {
  position: fixed; inset: 0;
  z-index: 80;
  display: grid; place-items: center;
  padding: 24px;
  background: rgba(22, 20, 15, 0.55);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.modal-mask.show { opacity: 1; pointer-events: auto; }
.modal-card {
  width: 100%; max-width: 340px;
  text-align: center;
  padding: 32px 26px;
  background: var(--paper-hi);
  border: 1px solid var(--gold);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  transform: translateY(14px) scale(0.98);
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1);
}
.modal-mask.show .modal-card { transform: translateY(0) scale(1); }
.modal-card .seal {
  width: 44px; height: 44px; margin: 0 auto 16px;
  border-radius: 8px; background: var(--seal); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 22px;
  transform: rotate(-4deg);
}
.modal-card h2 {
  font-family: var(--font-serif);
  font-size: 24px; letter-spacing: 0.2em;
  color: var(--ink); margin: 0 0 10px;
}
.modal-card p {
  font-size: 13px; line-height: 1.8; color: var(--text-soft);
  margin: 0 0 22px;
}
.modal-card input {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid rgba(201,168,106,0.6);
  border-radius: 10px;
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  text-align: center;
  letter-spacing: 0.12em;
  color: var(--text);
  outline: none;
  transition: border-color 0.25s ease;
}
.modal-card input:focus { border-color: var(--gold); }
.modal-card .btn-enter {
  width: 100%;
  margin-top: 16px;
  padding: 13px;
  border: 0; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-soft), var(--gold-deep));
  color: var(--ink-deep);
  font-family: var(--font-serif);
  font-size: 16px; letter-spacing: 0.2em;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(201,168,106,0.4);
}

/* ---------- 轻提示 toast ---------- */
.toast {
  position: fixed;
  left: 50%; bottom: 96px;
  transform: translate(-50%, 20px);
  z-index: 90;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(22,20,15,0.9);
  color: var(--text-light);
  font-size: 13px; letter-spacing: 0.08em;
  border: 1px solid rgba(201,168,106,0.5);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 截单提示 ---------- */
.cutoff-banner {
  margin: 18px 0 0;
  padding: 12px 18px;
  text-align: center;
  border: 1px solid var(--seal);
  border-radius: 12px;
  background: rgba(158, 43, 37, 0.08);
  color: var(--seal);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.12em;
}

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-soft);
  font-size: 14px;
  letter-spacing: 0.1em;
}

/* ---------- 加载骨架 ---------- */
.loader {
  display: grid; place-items: center;
  padding: 80px 0;
  color: var(--gold-deep);
  font-family: var(--font-serif);
  letter-spacing: 0.3em;
  font-size: 14px;
}
.loader .spin {
  width: 26px; height: 26px;
  margin-bottom: 14px;
  border: 2px solid rgba(201,168,106,0.3);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 进入动画 */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}