/* ============================================================
   豆与水 · 手冲与摩卡壶 — 深烘咖啡视觉系统 v1
   底部 Tab / 三级导航 / 分段注水计时
   ============================================================ */

:root {
  /* ---- 深烘板（默认）---- */
  --bg: #140f0c;
  --bg-2: #1a1310;
  --card: #221a15;
  --card-2: #2a2019;
  --ink: #f3e9dc;
  --ink-2: #bda894;
  --ink-3: #83705f;
  --line: #33261d;
  --line-2: #463428;
  --track: #3a2b20;
  --gold: #d9944c;
  --gold-2: #b8752f;
  --gold-rgb: 217, 148, 76;
  --crema: #ecc9a1;
  --red: #c2543f;
  --red-2: #a13f2e;
  --red-rgb: 194, 84, 63;
  /* 主色上的文字 */
  --on-accent: var(--on-accent);
  /* 继续卡：两套主题都是深底，内部一律浅字 */
  --hero-a: #3a2216;
  --hero-b: #2a1a11;
  --hero-line: #4a2f1e;
  --hero-fg: #f7efe4;
  --mask: rgba(8, 5, 3, .66);
  --toast-bg: rgba(46, 32, 24, .96);
  --tabbar-bg: rgba(20, 15, 12, .94);
  --glow-a: rgba(var(--gold-rgb), .12);
  --glow-b: rgba(120, 68, 34, .16);
  --shadow-c: rgba(0, 0, 0, .35);
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", -apple-system, sans-serif;
  --radius: 18px;
  --tabbar-h: 58px;
  --sab: env(safe-area-inset-bottom, 0px);
  --sat: env(safe-area-inset-top, 0px);
}


/* ============================================================
   浅色板：米白纸感 + 压深的焦糖（亮金在浅底上对比不够）
   由 app.js 写入 html[data-theme="light"]
   ============================================================ */
:root[data-theme="light"] {
  --bg: #faf6ef;
  --bg-2: #f4ede1;
  --card: #fffdf9;
  --card-2: #f8f1e5;
  --ink: #2a2118;
  --ink-2: #63523f;
  --ink-3: #9a8873;
  --line: #e8ddca;
  --line-2: #d9cab2;
  --track: #e3d3ba;
  --gold: #b06a1f;
  --gold-2: #8a4d12;
  --gold-rgb: 176, 106, 31;
  --crema: #7d5220;
  --red: #ad412c;
  --red-2: #8c3322;
  --red-rgb: 173, 65, 44;
  --on-accent: #fffaf3;
  --hero-a: #b0671f;
  --hero-b: #8a4a11;
  --hero-line: #8a4a11;
  --mask: rgba(43, 32, 22, .42);
  --toast-bg: rgba(42, 33, 24, .94);
  --tabbar-bg: rgba(250, 246, 239, .93);
  --glow-a: rgba(217, 160, 100, .10);
  --glow-b: rgba(200, 150, 90, .07);
  --shadow-c: rgba(120, 92, 58, .16);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
/* hidden 属性必须压过任何 display 声明 */
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(120% 60% at 50% -10%, var(--glow-a), transparent 60%),
    radial-gradient(90% 50% at 50% 105%, var(--glow-b), transparent 65%);
}
button { font-family: inherit; border: none; background: none; color: inherit; cursor: pointer; }
input, select { font-family: inherit; }

/* ============================================================
   Tab 根容器
   ============================================================ */
#tab-root { position: fixed; inset: 0; z-index: 1; }

.tabpane {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: calc(var(--sat) + 10px) 18px var(--tabbar-h);
  opacity: 0; pointer-events: none;
  transition: opacity .18s ease;
}
.tabpane.on { opacity: 1; pointer-events: auto; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; gap: 8px;
  min-height: 48px; flex-shrink: 0;
  padding: 2px 0 10px;
}
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; flex: 1; }
.brand-mark {
  font-family: var(--serif); font-size: 22px; font-weight: 600;
  letter-spacing: .16em; color: var(--ink);
}
.brand-sub {
  font-size: 11.5px; color: var(--ink-3); letter-spacing: .08em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.icon-btn {
  width: 36px; height: 36px; border-radius: 12px; flex-shrink: 0;
  border: 1px solid var(--line); background: var(--card); color: var(--ink-2);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s, color .15s;
}
.icon-btn:active { transform: scale(.92); }
.icon-btn.on { color: var(--gold); border-color: var(--gold-2); }
.icon-btn.on svg path { fill: var(--gold); }

/* ---------- 「继续冲」快捷卡 ---------- */
.hero-continue {
  display: flex; align-items: center; gap: 12px; width: 100%;
  text-align: left; flex-shrink: 0;
  background: linear-gradient(135deg, var(--hero-a), var(--hero-b));
  border: 1px solid var(--hero-line); border-radius: var(--radius);
  padding: 12px 14px; margin-bottom: 10px;
  color: var(--hero-fg);
  box-shadow: 0 6px 20px var(--shadow-c);
  transition: transform .15s;
  animation: rise .3s ease both;
}
.hero-continue:active { transform: scale(.985); }
.hc-glyph { width: 42px; height: 42px; flex-shrink: 0; color: var(--hero-fg); }
.hc-glyph svg { width: 100%; height: 100%; }
.hc-info { flex: 1; min-width: 0; }
.hc-info em { font-style: normal; display: block; font-size: 10px; letter-spacing: .22em; color: rgba(247, 239, 228, .58); }
.hc-info b { display: block; margin-top: 2px; font-family: var(--serif); font-size: 16px; font-weight: 600; letter-spacing: .04em; }
.hc-info span { display: block; margin-top: 2px; font-size: 11.5px; color: rgba(247, 239, 228, .78); }
.hc-go {
  flex-shrink: 0; display: flex; align-items: center; gap: 3px;
  font-size: 12px; letter-spacing: .08em; color: var(--hero-fg);
  background: rgba(247, 239, 228, .14);
  border: 1px solid rgba(247, 239, 228, .3);
  border-radius: 999px; padding: 6px 12px;
}

/* ---------- 筛选 chips ---------- */
.chips {
  display: flex; gap: 8px; flex-shrink: 0;
  overflow-x: auto; scrollbar-width: none;
  padding: 2px 0 10px;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0; border: 1px solid var(--line);
  background: var(--card); color: var(--ink-2);
  font-size: 12.5px; letter-spacing: .06em;
  padding: 6px 14px; border-radius: 999px;
  transition: all .18s;
}
.chip.on {
  background: var(--gold); border-color: var(--gold);
  color: var(--on-accent); font-weight: 600;
}

/* ---------- 列表滚动区 ---------- */
.list-scroll {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 16px;
  scrollbar-width: none;
}
.list-scroll::-webkit-scrollbar { display: none; }

.sect { margin-bottom: 20px; }
.sect-title {
  display: flex; align-items: baseline; gap: 8px;
  padding: 0 2px 9px;
}
.sect-title span {
  font-family: var(--serif); font-size: 14.5px; font-weight: 600;
  letter-spacing: .12em; color: var(--ink);
}
.sect-title i {
  font-style: normal; font-size: 11px; color: var(--ink-3); letter-spacing: .06em;
}
.card-list { display: flex; flex-direction: column; gap: 9px; }

/* ---------- 配方卡 ---------- */
.rcard {
  display: flex; align-items: center; gap: 13px; width: 100%;
  text-align: left; padding: 14px 14px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .14s, border-color .18s, background .18s;
  animation: rise .28s ease both;
}
.rcard:active { transform: scale(.985); background: var(--card-2); border-color: var(--line-2); }
.rc-glyph {
  width: 50px; height: 50px; flex-shrink: 0;
  border-radius: 15px;
  background: linear-gradient(150deg, rgba(var(--gold-rgb), .16), rgba(var(--gold-rgb), .04));
  border: 1px solid rgba(var(--gold-rgb), .16);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.rc-glyph svg { width: 27px; height: 27px; }
.rc-body { flex: 1; min-width: 0; }
.rc-top { display: flex; align-items: center; gap: 7px; }
.rc-top b {
  font-family: var(--serif); font-size: 16.5px; font-weight: 600;
  letter-spacing: .05em; color: var(--ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rc-badge {
  flex-shrink: 0; font-style: normal; font-size: 9.5px; letter-spacing: .04em;
  color: var(--gold); background: rgba(var(--gold-rgb), .12);
  border: 1px solid rgba(var(--gold-rgb), .24);
  border-radius: 6px; padding: 2px 6px;
}
.rc-sub {
  display: block; margin-top: 3px; font-size: 11.5px; color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rc-meta { display: flex; gap: 9px; margin-top: 6px; }
.rc-meta em {
  font-style: normal; font-size: 11px; color: var(--ink-2);
  letter-spacing: .02em;
}
.rc-meta em.g { color: var(--gold); font-weight: 600; }
.rc-dur {
  flex-shrink: 0; font-size: 12px; color: var(--ink-3);
  font-variant-numeric: tabular-nums; letter-spacing: .02em;
  padding-left: 2px;
}

/* ---------- 空状态 ---------- */
.empty {
  text-align: center; color: var(--ink-3); font-size: 12.5px;
  line-height: 1.9; padding: 48px 24px;
}

/* ---------- 常识列表 ---------- */
.guide-list { display: flex; flex-direction: column; gap: 10px; }
.gcard {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  animation: rise .28s ease both;
}
.gcard-head {
  display: flex; align-items: center; gap: 10px; width: 100%;
  text-align: left; padding: 15px 15px;
}
.gcard-head b {
  flex: 1; font-family: var(--serif); font-size: 15px; font-weight: 600;
  letter-spacing: .06em;
}
.gcard-head .g-arrow {
  flex-shrink: 0; color: var(--ink-3); transition: transform .22s;
}
.gcard.open .g-arrow { transform: rotate(90deg); color: var(--gold); }
.gcard-body {
  display: none; padding: 0 15px 16px;
}
.gcard.open .gcard-body { display: block; }
.g-lead {
  font-size: 12.5px; line-height: 1.85; color: var(--crema);
  padding: 0 0 11px; border-bottom: 1px dashed var(--line);
  margin-bottom: 11px;
}
.g-items { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.g-items li {
  position: relative; padding-left: 15px;
  font-size: 12.5px; line-height: 1.78; color: var(--ink-2);
}
.g-items li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold-2);
}

/* ============================================================
   二级页：详情
   ============================================================ */
.stackpage {
  position: fixed; inset: 0; z-index: 5;
  display: flex; flex-direction: column;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform .26s cubic-bezier(.32, .72, 0, 1);
  will-change: transform;
}
.stackpage.on { transform: none; }
.stack-header {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0;
  padding: calc(var(--sat) + 8px) 14px 8px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.stack-title {
  flex: 1; font-size: 13px; letter-spacing: .14em; color: var(--ink-2);
  text-align: center;
}
.stack-header .icon-btn { background: transparent; border-color: transparent; }

.detail-scroll {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 16px 18px 8px;
  scrollbar-width: none;
}
.detail-scroll::-webkit-scrollbar { display: none; }

.d-hero { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.d-glyph {
  width: 58px; height: 58px; flex-shrink: 0; border-radius: 17px;
  background: linear-gradient(150deg, rgba(var(--gold-rgb), .18), rgba(var(--gold-rgb), .04));
  border: 1px solid rgba(var(--gold-rgb), .18);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold);
}
.d-glyph svg { width: 32px; height: 32px; }
.d-head { flex: 1; min-width: 0; }
.d-head h2 {
  font-family: var(--serif); font-size: 24px; font-weight: 600;
  letter-spacing: .05em; line-height: 1.2;
}
.d-sub { display: block; margin-top: 5px; font-size: 12px; color: var(--ink-3); letter-spacing: .04em; }
.d-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.d-badges i {
  font-style: normal; font-size: 10px; letter-spacing: .06em;
  color: var(--crema); background: rgba(var(--gold-rgb), .1);
  border: 1px solid rgba(var(--gold-rgb), .2);
  border-radius: 6px; padding: 3px 7px;
}

.d-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden; margin-bottom: 12px;
}
.d-cell {
  background: var(--card); padding: 11px 8px; text-align: center;
}
.d-cell span { display: block; font-size: 10.5px; color: var(--ink-3); letter-spacing: .1em; }
.d-cell b {
  display: block; margin-top: 5px;
  font-family: var(--serif); font-size: 16px; font-weight: 600;
  color: var(--ink); font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}
.d-cell b em {
  font-style: normal; font-size: 11px; font-weight: 400;
  color: var(--ink-2); margin-left: 1px; font-family: var(--sans);
}

.d-grind {
  display: flex; align-items: center; gap: 12px;
  background: linear-gradient(135deg, rgba(var(--gold-rgb), .1), rgba(var(--gold-rgb), .02));
  border: 1px solid rgba(var(--gold-rgb), .24);
  border-radius: 14px; padding: 13px 15px; margin-bottom: 10px;
}
.dg-main { flex-shrink: 0; }
.dg-main span { display: block; font-size: 10.5px; color: var(--ink-3); letter-spacing: .1em; }
.dg-main span i { font-style: normal; color: var(--gold); }
.dg-main b {
  display: block; margin-top: 3px;
  font-family: var(--serif); font-size: 26px; font-weight: 600;
  color: var(--gold); line-height: 1.1; font-variant-numeric: tabular-nums;
}
.dg-main b em { font-style: normal; font-size: 11px; color: var(--ink-3); margin-left: 1px; font-family: var(--sans); letter-spacing: 0; }
.dg-side { flex: 1; text-align: right; }
.dg-side span { display: block; font-size: 11.5px; color: var(--ink-2); }
.swap {
  margin-top: 7px; font-size: 11px; color: var(--gold);
  border: 1px solid rgba(var(--gold-rgb), .32); border-radius: 999px;
  padding: 4px 11px; background: rgba(var(--gold-rgb), .08);
}

.d-meta {
  display: flex; gap: 10px; margin-bottom: 20px;
}
.d-meta > div {
  flex: 1; background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 13px;
}
.d-meta em { font-style: normal; display: block; font-size: 10.5px; color: var(--ink-3); letter-spacing: .08em; }
.d-meta b { display: block; margin-top: 4px; font-size: 13px; font-weight: 500; color: var(--ink-2); }

.d-h3 {
  font-family: var(--serif); font-size: 13.5px; font-weight: 600;
  letter-spacing: .14em; color: var(--ink);
  padding: 0 0 10px 10px; position: relative; margin-bottom: 10px;
}
.d-h3::before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 3px; height: 12px; border-radius: 2px; background: var(--gold);
}

.d-steps { list-style: none; display: flex; flex-direction: column; gap: 0; margin-bottom: 22px; }
.d-steps li {
  display: flex; gap: 12px; padding: 9px 0;
  border-bottom: 1px solid var(--line);
}
.d-steps li:last-child { border-bottom: none; }
.d-steps .s-time {
  flex-shrink: 0; width: 46px;
  font-size: 12px; color: var(--gold); font-variant-numeric: tabular-nums;
  letter-spacing: .02em; padding-top: 1px;
}
.d-steps .s-body { flex: 1; min-width: 0; }
.d-steps .s-title { font-size: 13px; color: var(--ink); letter-spacing: .04em; }
.d-steps .s-w {
  display: inline-block; margin-left: 7px;
  font-size: 11px; color: var(--gold); font-variant-numeric: tabular-nums;
}
.d-steps .s-note { display: block; margin-top: 3px; font-size: 11.5px; line-height: 1.65; color: var(--ink-3); }

.d-body {
  font-size: 13px; line-height: 1.95; color: var(--ink-2);
  margin-bottom: 20px; text-align: justify;
}
.d-tip {
  background: var(--card); border: 1px solid var(--line);
  border-left: 2px solid var(--gold-2);
  border-radius: 12px; padding: 13px 15px; margin-bottom: 8px;
}
.d-tip em {
  font-style: normal; display: block; font-size: 10.5px; letter-spacing: .2em;
  color: var(--gold); margin-bottom: 6px;
}
.d-tip p { font-size: 12.5px; line-height: 1.85; color: var(--ink-2); }

.detail-cta {
  flex-shrink: 0; display: flex; gap: 10px;
  padding: 12px 18px calc(12px + var(--sab));
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}

/* ---------- 通用按钮 ---------- */
.ctrl-btn {
  border-radius: 15px; font-size: 15px; letter-spacing: .1em;
  padding: 15px 20px; font-weight: 600;
  transition: transform .14s, opacity .2s;
}
.ctrl-btn:active { transform: scale(.98); }
.ctrl-btn.primary {
  flex: 1;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--on-accent);
  box-shadow: 0 6px 18px rgba(184, 117, 47, .28);
}
.ctrl-btn.ghost {
  flex-shrink: 0; background: var(--card); color: var(--ink-2);
  border: 1px solid var(--line-2);
}
.ctrl-btn.ghost.small { font-size: 13px; padding: 15px 16px; letter-spacing: .06em; }
.ctrl-btn.stop { background: linear-gradient(135deg, var(--red), var(--red-2)); color: #fff3ee; box-shadow: 0 6px 18px rgba(var(--red-rgb), .3); }

/* ============================================================
   三级页：冲煮
   ============================================================ */
.b-title { flex: 1; min-width: 0; padding-left: 2px; }
.b-title h2 {
  font-family: var(--serif); font-size: 16px; font-weight: 600;
  letter-spacing: .05em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.b-title span { display: block; font-size: 10.5px; color: var(--ink-3); letter-spacing: .04em; margin-top: 2px; }
.grind-chip {
  flex-shrink: 0; display: flex; flex-direction: column; align-items: center;
  gap: 1px; padding: 5px 11px; border-radius: 12px;
  background: rgba(var(--gold-rgb), .1);
  border: 1px solid rgba(var(--gold-rgb), .28);
  color: var(--gold);
}
.grind-chip b { font-size: 10px; letter-spacing: .06em; font-weight: 500; }
.grind-chip span { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; font-family: var(--serif); }

.timer-wrap {
  flex-shrink: 0; display: flex; justify-content: center;
  padding: 14px 0 10px;
}
.timer {
  position: relative;
  width: clamp(170px, 33vh, 258px);
  height: clamp(170px, 33vh, 258px);
}
.timer-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg {
  fill: none; stroke: var(--track); stroke-width: 5;
}
.ring-fg {
  fill: none; stroke: var(--gold); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 565.5; stroke-dashoffset: 565.5;
  transition: stroke-dashoffset .3s linear, stroke .3s;
}
.timer.done .ring-fg { stroke: var(--crema); }
.timer.running .ring-fg { filter: drop-shadow(0 0 6px rgba(var(--gold-rgb), .5)); }
.timer-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; padding: 0 14%;
}
.t-label {
  font-size: 11px; letter-spacing: .16em; color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.t-num {
  font-family: var(--serif); font-weight: 600; color: var(--ink);
  font-size: clamp(38px, 9vh, 58px); line-height: 1;
  font-variant-numeric: tabular-nums; letter-spacing: -.01em;
  display: flex; align-items: baseline; gap: 2px;
}
.t-num em {
  font-style: normal; font-size: 15px; color: var(--ink-3);
  font-family: var(--sans); font-weight: 400;
}
.t-sub {
  font-size: 11.5px; color: var(--ink-2); letter-spacing: .04em;
  text-align: center; line-height: 1.5;
}
.timer.running .t-num { color: var(--crema); }

.pbar {
  height: 2px; flex-shrink: 0; margin: 0 26px 12px;
  background: var(--track); border-radius: 2px; overflow: hidden;
}
.pbar i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--gold-2), var(--gold));
  border-radius: 2px; transition: width .3s linear;
}

.steps {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
  list-style: none; padding: 0 18px 8px; scrollbar-width: none;
  display: flex; flex-direction: column; gap: 6px;
}
.steps::-webkit-scrollbar { display: none; }
.steps li {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 10px 12px; border-radius: 12px;
  background: var(--card); border: 1px solid transparent;
  transition: all .22s; opacity: .76;
}
.steps li.past { opacity: .6; }
.steps li.now {
  opacity: 1; background: var(--card-2);
  border-color: rgba(var(--gold-rgb), .4);
  box-shadow: 0 3px 14px var(--shadow-c);
}
.st-time {
  flex-shrink: 0; width: 40px; font-size: 11.5px; color: var(--ink-3);
  font-variant-numeric: tabular-nums; padding-top: 2px;
}
.steps li.now .st-time { color: var(--gold); }
.st-body { flex: 1; min-width: 0; }
.st-title { font-size: 13px; color: var(--ink); letter-spacing: .04em; }
.st-title em {
  font-style: normal; font-size: 11px; color: var(--gold);
  margin-left: 7px; font-variant-numeric: tabular-nums;
}
.st-note { display: block; margin-top: 3px; font-size: 11.5px; line-height: 1.6; color: var(--ink-3); }
.steps li.now .st-note { color: var(--ink-2); }
.st-check {
  flex-shrink: 0; width: 15px; height: 15px; border-radius: 50%;
  border: 1.5px solid var(--line-2); margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
}
.steps li.past .st-check { background: var(--gold-2); border-color: var(--gold-2); }
.steps li.past .st-check::after {
  content: ""; width: 5px; height: 8px;
  border: solid #fdf6ec; border-width: 0 1.7px 1.7px 0;
  transform: rotate(42deg) translate(-1px, -1px);
}
.steps li.now .st-check { border-color: var(--gold); }
.steps li.now .st-check::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
  animation: pulse 1.4s ease-in-out infinite;
}

.controls {
  flex-shrink: 0; display: flex; gap: 10px;
  padding: 10px 18px calc(12px + var(--sab));
  border-top: 1px solid var(--line);
  background: var(--bg-2);
}

/* ============================================================
   弹层
   ============================================================ */
.sheet-mask {
  position: fixed; inset: 0; z-index: 30;
  background: var(--mask);
  backdrop-filter: blur(3px);
  opacity: 0; transition: opacity .22s;
}
.sheet-mask.show { opacity: 1; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 31;
  max-height: 88vh; overflow-y: auto;
  background: var(--bg-2);
  border-top: 1px solid var(--line-2);
  border-radius: 22px 22px 0 0;
  padding: 8px 20px calc(20px + var(--sab));
  transform: translateY(100%);
  transition: transform .28s cubic-bezier(.32, .72, 0, 1);
  scrollbar-width: none;
}
.sheet::-webkit-scrollbar { display: none; }
.sheet.show { transform: none; }
.sheet-handle {
  width: 38px; height: 4px; border-radius: 2px;
  background: var(--line-2); margin: 4px auto 14px;
}
.sheet-title {
  font-family: var(--serif); font-size: 18px; font-weight: 600;
  letter-spacing: .08em; margin-bottom: 6px;
}
.sheet-note { font-size: 12px; line-height: 1.7; color: var(--ink-3); margin-bottom: 16px; }

.field { display: block; margin-bottom: 14px; }
.field.half { flex: 1; min-width: 0; }
.field-row { display: flex; gap: 12px; }
.f-label {
  display: block; font-size: 11px; letter-spacing: .1em; color: var(--ink-3);
  margin-bottom: 7px;
}
.f-label i { font-style: normal; color: var(--ink-3); opacity: .7; }
.field input {
  width: 100%; padding: 12px 14px; font-size: 14px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; color: var(--ink); outline: none;
}
.field input:focus { border-color: var(--gold-2); }
.field input::placeholder { color: var(--ink-3); }

.stepper {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 4px;
}
.stepper button {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: var(--card-2); color: var(--ink-2); font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  transition: transform .12s;
}
.stepper button:active { transform: scale(.9); }
.stepper b {
  font-family: var(--serif); font-size: 15px; font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.seg {
  display: flex; gap: 6px; padding: 4px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 13px;
}
.seg button {
  flex: 1; padding: 9px 8px; border-radius: 9px;
  font-size: 12.5px; color: var(--ink-3); letter-spacing: .04em;
  transition: all .18s;
}
.seg button.on {
  background: var(--gold); color: var(--on-accent); font-weight: 600;
}
.seg.wide button { padding: 11px 8px; }

.f-note {
  font-size: 11.5px; line-height: 1.7; color: var(--ink-3);
  margin: 4px 0 16px;
}
.sheet-save {
  width: 100%; padding: 15px; border-radius: 14px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: var(--on-accent); font-size: 15px; font-weight: 600; letter-spacing: .1em;
}
.sheet-save:active { transform: scale(.985); }

/* ---------- 风味调整 ---------- */
.sym-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 9px;
  margin-bottom: 16px;
}
.sym {
  text-align: left; padding: 13px 14px; border-radius: 13px;
  background: var(--card); border: 1px solid var(--line);
  transition: all .16s;
}
.sym.on {
  background: var(--card-2);
  border-color: var(--gold-2);
  box-shadow: 0 0 0 1px rgba(var(--gold-rgb), .22) inset;
}
.sym b {
  display: block; font-size: 13.5px; font-weight: 600; letter-spacing: .04em;
  color: var(--ink);
}
.sym.on b { color: var(--gold); }
.sym span { display: block; margin-top: 3px; font-size: 11px; color: var(--ink-3); line-height: 1.5; }

.advice {
  border-top: 1px dashed var(--line); padding-top: 16px; margin-bottom: 4px;
  animation: rise .25s ease both;
}
.advice h4 {
  font-family: var(--serif); font-size: 13px; font-weight: 600;
  letter-spacing: .12em; color: var(--gold); margin-bottom: 12px;
}
.adv-item {
  display: flex; gap: 10px; padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.adv-item:last-child { border-bottom: none; }
.adv-idx {
  flex-shrink: 0; width: 19px; height: 19px; border-radius: 50%;
  background: rgba(var(--gold-rgb), .16); color: var(--gold);
  font-size: 10.5px; display: flex; align-items: center; justify-content: center;
  margin-top: 1px; font-weight: 600;
}
.adv-body { flex: 1; min-width: 0; }
.adv-body b { display: block; font-size: 13px; color: var(--ink); font-weight: 600; letter-spacing: .02em; }
.adv-body p { margin-top: 4px; font-size: 11.5px; line-height: 1.65; color: var(--ink-3); }
.adv-body .num { color: var(--gold); font-variant-numeric: tabular-nums; font-weight: 600; }
.adv-rule {
  margin-top: 14px; padding: 11px 13px; border-radius: 11px;
  background: rgba(var(--gold-rgb), .07);
  border: 1px solid rgba(var(--gold-rgb), .16);
  font-size: 11.5px; line-height: 1.7; color: var(--crema);
}
.sheet-actions { display: flex; gap: 10px; margin-top: 16px; }
.sheet-btn {
  flex: 1; padding: 13px; border-radius: 13px;
  background: var(--gold); color: var(--on-accent);
  font-size: 13.5px; font-weight: 600; letter-spacing: .08em;
}
.sheet-btn.ghost {
  background: var(--card); color: var(--ink-2);
  border: 1px solid var(--line-2); font-weight: 400;
}

/* ---------- 设置 ---------- */
.set-group { margin-bottom: 24px; }
.set-group > em {
  display: block; font-style: normal; font-size: 11px;
  letter-spacing: .16em; color: var(--ink-3); margin-bottom: 10px;
}
.set-note { font-size: 11.5px; line-height: 1.75; color: var(--ink-3); margin-top: 9px; }
.set-btns { display: flex; gap: 10px; margin-top: 11px; }
.set-btn {
  flex: 1; padding: 12px; border-radius: 12px;
  background: var(--card); border: 1px solid var(--line);
  color: var(--ink-2); font-size: 12.5px; letter-spacing: .04em;
}
.grind-table { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.gt-row { display: flex; background: var(--card); }
.gt-row.head { background: var(--card-2); }
.gt-row > div {
  flex: 1; padding: 9px 11px; font-size: 11.5px; color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.gt-row > div:first-child { flex: 1.3; color: var(--ink-3); }
.gt-row.head > div { font-size: 10.5px; color: var(--ink-3); letter-spacing: .06em; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(88px + var(--sab));
  transform: translateX(-50%);
  z-index: 60; max-width: 82vw;
  padding: 10px 18px; border-radius: 999px;
  background: var(--toast-bg);
  border: 1px solid var(--line-2);
  color: #f6ede0; font-size: 12.5px; letter-spacing: .04em;
  box-shadow: 0 8px 24px var(--shadow-c);
  animation: rise .22s ease both;
  text-align: center;
}

/* ---------- 底部 Tab ---------- */
.tabbar {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: calc(var(--tabbar-h) + var(--sab));
  padding-bottom: var(--sab);
  display: flex; align-items: stretch;
  background: var(--tabbar-bg);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  z-index: 3;
}
.tbtn {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 3px;
  color: var(--ink-3); font-size: 10px; letter-spacing: .1em;
  transition: color .18s;
}
.tbtn svg {
  width: 21px; height: 21px; fill: none;
  stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.tbtn.on { color: var(--gold); }
.tbtn.on svg { stroke-width: 1.9; }

/* ---------- 动画 ---------- */
@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.7); }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 宽屏适配 ---------- */
@media (min-width: 720px) {
  .tabpane { padding-left: max(18px, calc((100vw - 620px) / 2)); padding-right: max(18px, calc((100vw - 620px) / 2)); }
  .detail-scroll, .steps, .controls, .stack-header, .detail-cta {
    padding-left: max(18px, calc((100vw - 620px) / 2));
    padding-right: max(18px, calc((100vw - 620px) / 2));
  }
  .sheet { left: 50%; right: auto; transform: translate(-50%, 100%); width: 460px; border-radius: 22px 22px 0 0; }
  .sheet.show { transform: translate(-50%, 0); }
  .toast { bottom: 96px; }
}

/* 冲煮页压在详情页之上 */
#page-brew { z-index: 6; }

/* 宽屏：底部栏跟随内容列宽，不横跨全屏 */
@media (min-width: 720px) {
  .tabbar {
    left: 50%; right: auto; transform: translateX(-50%);
    width: min(620px, 100%);
    border-left: 1px solid var(--line);
    border-right: 1px solid var(--line);
    border-radius: 18px 18px 0 0;
  }
}