/* ============================================================
   吃茶去 · 泡茶计时 — 东方茶意境
   暖米纸感底 / 墨绿主色 / 茶褐辅色 / 衬线标题 / 大留白
   ============================================================ */

:root {
  --paper: #f6f1e7;
  --paper-2: #efe8d9;
  --card: #fdfaf3;
  --ink: #33342e;
  --ink-soft: #75715f;
  --ink-faint: #a39d87;
  --green: #43584a;
  --green-deep: #2f4237;
  --tea: #9a6b3f;
  --tea-soft: #c8a476;
  --line: #e3dbc8;
  --wash: #8a9a8e;
  --danger: #a45a4a;
  --serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "MiSans", -apple-system, sans-serif;
  --shadow: 0 2px 12px rgba(90, 80, 55, .08), 0 1px 3px rgba(90, 80, 55, .06);
  --radius: 18px;
}

* { 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（.sheet-mask/.page 都设了 display，会覆盖 UA 的 [hidden]） */
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(200, 164, 118, .12), transparent 60%),
    radial-gradient(900px 420px at -10% 30%, rgba(67, 88, 74, .07), transparent 55%),
    var(--paper);
  color: var(--ink);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 页面切换 ---------- */
.page {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  padding: calc(env(safe-area-inset-top, 0px) + 18px) 22px calc(env(safe-area-inset-bottom, 0px) + 14px);
  opacity: 0; transform: translateX(24px);
  pointer-events: none;
  transition: opacity .32s ease, transform .32s ease;
}
.page-active { opacity: 1; transform: none; pointer-events: auto; }
.page-back-anim { transform: translateX(-24px); }

/* ---------- 首页头部 ---------- */
.home-header { padding: 10px 2px 18px; }
.home-greet {
  font-size: 13px; letter-spacing: .5em; color: var(--tea);
  margin-bottom: 12px;
}
.home-title {
  font-family: var(--serif); font-weight: 600;
  font-size: 34px; line-height: 1.28; color: var(--ink);
  letter-spacing: .04em;
}
.home-sub { margin-top: 8px; font-size: 13px; color: var(--ink-faint); letter-spacing: .12em; }

/* ---------- 分类筛选 ---------- */
.chips {
  display: flex; gap: 8px;
  overflow-x: auto; flex-shrink: 0;
  padding: 4px 2px 14px;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex-shrink: 0; border: 1px solid var(--line);
  background: var(--card); color: var(--ink-soft);
  font-size: 13px; letter-spacing: .08em;
  padding: 7px 15px; border-radius: 999px;
  cursor: pointer; transition: all .2s;
  font-family: var(--sans);
}
.chip.on {
  background: var(--green); border-color: var(--green);
  color: #f3efe4;
}

/* ---------- 茶单 ---------- */
.tea-list {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  padding-bottom: 86px;
  overscroll-behavior: contain;
}
.tea-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .15s ease, border-color .2s;
  animation: rise .35s ease both;
}
.tea-item:active { transform: scale(.975); border-color: var(--tea-soft); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }

.tea-badge {
  width: 46px; height: 46px; border-radius: 14px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 21px; font-weight: 600;
  color: #f6f2e6;
}
.tea-info { flex: 1; min-width: 0; }
.tea-name {
  font-family: var(--serif); font-size: 16.5px; font-weight: 600;
  letter-spacing: .05em; display: flex; align-items: center; gap: 7px;
}
.tea-name .custom-mark {
  font-size: 10.5px; color: var(--tea); border: 1px solid var(--tea-soft);
  padding: 1px 6px; border-radius: 999px; letter-spacing: .15em;
  font-family: var(--sans); font-weight: 400;
}
.tea-meta { margin-top: 4px; font-size: 12.5px; color: var(--ink-faint); letter-spacing: .04em; }
.tea-go { color: var(--ink-faint); flex-shrink: 0; }

.empty-tip {
  text-align: center; color: var(--ink-faint);
  font-size: 13px; letter-spacing: .2em; padding: 44px 0;
}

/* ---------- 悬浮按钮 ---------- */
.fab {
  position: absolute; right: 22px; bottom: calc(env(safe-area-inset-bottom, 0px) + 26px);
  width: 54px; height: 54px; border-radius: 50%;
  border: none; cursor: pointer;
  background: var(--tea); color: #fbf7ec;
  box-shadow: 0 6px 18px rgba(154, 107, 63, .35);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s;
}
.fab:active { transform: scale(.92); }

/* ---------- 冲泡页头部 ---------- */
.brew-header { display: flex; align-items: center; gap: 12px; padding: 4px 0 6px; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card);
  color: var(--ink-soft); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s;
  flex-shrink: 0;
}
.icon-btn:active { transform: scale(.92); }
.brew-title { flex: 1; display: flex; align-items: baseline; gap: 9px; min-width: 0; }
.brew-title h2 {
  font-family: var(--serif); font-size: 21px; font-weight: 600;
  letter-spacing: .06em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.tag {
  font-size: 11px; color: var(--tea); letter-spacing: .15em;
  border: 1px solid var(--tea-soft); border-radius: 999px; padding: 2px 9px;
  flex-shrink: 0;
}
#btn-fav.on svg path { fill: var(--tea); stroke: var(--tea); }

/* ---------- 参数区 ---------- */
.params {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  margin-top: 10px; flex-shrink: 0;
}
.param { padding: 13px 6px; text-align: center; position: relative; }
.param + .param::before {
  content: ""; position: absolute; left: 0; top: 22%; height: 56%;
  width: 1px; background: var(--line);
}
.param b { font-size: 19px; font-weight: 600; color: var(--green-deep); letter-spacing: .02em; }
.param i { font-style: normal; font-size: 11px; color: var(--ink-faint); }
.param span { display: block; margin-top: 3px; font-size: 11px; color: var(--ink-faint); letter-spacing: .2em; }

/* ---------- 计时环 ---------- */
.timer-wrap { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; min-height: 0; }
.timer { position: relative; width: min(62vw, 46vh, 300px); aspect-ratio: 1; }
.timer-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--paper-2); stroke-width: 7; }
.ring-fg {
  fill: none; stroke: var(--green); stroke-width: 7; stroke-linecap: round;
  stroke-dasharray: 565.5; stroke-dashoffset: 0;
  transition: stroke .3s;
}
.ring-fg.washing { stroke: var(--wash); }
.timer-center {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
}
.t-label { font-size: 13px; color: var(--ink-faint); letter-spacing: .35em; text-indent: .35em; }
.t-num {
  font-family: var(--serif); font-size: 58px; font-weight: 600;
  color: var(--ink); letter-spacing: .02em; line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.t-sub { font-size: 12px; color: var(--ink-faint); letter-spacing: .1em; }

/* 漂浮茶叶 */
.leaf {
  transform-origin: 0 0;
  animation: drift 5s ease-in-out infinite;
}
.leaf circle { fill: var(--green); opacity: .16; }
@keyframes drift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-9px) rotate(14deg); }
}
.timer.running .leaf circle { opacity: .3; }

.reset-btn {
  position: absolute; right: 4px; bottom: calc(env(safe-area-inset-bottom, 0px) + 8px);
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: transform .15s;
}
.reset-btn:active { transform: rotate(-70deg) scale(.92); }

/* ---------- 泡次 ---------- */
.rounds { flex-shrink: 0; }
.rounds-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 9px; }
.rounds-title {
  font-family: var(--serif); font-size: 15.5px; font-weight: 600;
  color: var(--green-deep); letter-spacing: .1em;
}
.rounds-delta { font-size: 12px; color: var(--tea); letter-spacing: .05em; }
.rounds-chips { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding: 2px; }
.rounds-chips::-webkit-scrollbar { display: none; }
.rchip {
  flex-shrink: 0; min-width: 56px;
  border: 1px solid var(--line); background: var(--card);
  border-radius: 12px; padding: 7px 10px; text-align: center;
  cursor: pointer; transition: all .2s; color: var(--ink-soft);
}
.rchip b { display: block; font-size: 13px; letter-spacing: .05em; }
.rchip span { display: block; font-size: 10.5px; color: var(--ink-faint); margin-top: 1px; }
.rchip.on { background: var(--green); border-color: var(--green); color: #f3efe4; }
.rchip.on span { color: rgba(243, 239, 228, .75); }
.rchip.done:not(.on) { border-color: var(--tea-soft); }
.rounds-tip { margin-top: 8px; font-size: 12px; color: var(--ink-faint); letter-spacing: .06em; line-height: 1.6; }

/* ---------- 控制条 ---------- */
.controls { flex-shrink: 0; padding-top: 12px; }
.ctrl-btn {
  width: 100%; border: none; cursor: pointer;
  border-radius: 16px; padding: 15px 0;
  font-size: 16px; letter-spacing: .45em; text-indent: .45em;
  font-family: var(--serif); font-weight: 600;
  transition: transform .15s, background .25s, color .25s;
}
.ctrl-btn:active { transform: scale(.985); }
.ctrl-btn.primary { background: var(--green-deep); color: #f3efe4; box-shadow: 0 6px 16px rgba(47, 66, 55, .25); }
.ctrl-btn.stop { background: var(--card); color: var(--danger); border: 1.5px solid var(--danger); }
.ctrl-btn.done { background: var(--tea); color: #fbf7ec; box-shadow: 0 6px 16px rgba(154, 107, 63, .3); }

/* ---------- 弹层 ---------- */
.sheet-mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(51, 52, 46, .4);
  display: flex; align-items: flex-end;
  opacity: 0; transition: opacity .25s;
}
.sheet-mask.show { opacity: 1; }
.sheet {
  width: 100%; max-height: 88vh; overflow-y: auto;
  background: var(--card);
  border-radius: 24px 24px 0 0;
  padding: 10px 24px calc(env(safe-area-inset-bottom, 0px) + 22px);
  transform: translateY(60px); transition: transform .3s cubic-bezier(.2, .8, .25, 1);
}
.sheet-mask.show .sheet { transform: none; }
.sheet-handle { width: 40px; height: 4px; border-radius: 4px; background: var(--line); margin: 8px auto 4px; }
.sheet-title {
  font-family: var(--serif); font-size: 19px; font-weight: 600;
  letter-spacing: .15em; text-align: center; color: var(--ink);
  margin: 8px 0 18px;
}
.field { display: block; margin-bottom: 16px; }
.f-label { display: block; font-size: 12px; color: var(--ink-faint); letter-spacing: .2em; margin-bottom: 7px; }
.f-label i { font-style: normal; letter-spacing: .05em; }
.field input[type="text"] {
  width: 100%; border: 1px solid var(--line); background: var(--paper);
  border-radius: 12px; padding: 12px 14px; font-size: 16px;
  font-family: var(--sans); color: var(--ink); outline: none;
}
.field input[type="text"]:focus { border-color: var(--tea); }
.field select {
  width: 100%; border: 1px solid var(--line); background: var(--paper);
  border-radius: 12px; padding: 12px; font-size: 15px; color: var(--ink); outline: none;
}
.field-row { display: flex; gap: 12px; }
.field.half { flex: 1; min-width: 0; }
.stepper {
  display: flex; align-items: center; border: 1px solid var(--line);
  background: var(--paper); border-radius: 12px; overflow: hidden;
}
.stepper.wide { max-width: 220px; }
.stepper button {
  width: 42px; height: 42px; border: none; background: transparent;
  font-size: 19px; color: var(--ink-soft); cursor: pointer; flex-shrink: 0;
}
.stepper button:active { background: var(--paper-2); }
.stepper b { flex: 1; text-align: center; font-size: 17px; color: var(--ink); font-variant-numeric: tabular-nums; }
.stepper .unit { font-size: 11px; color: var(--ink-faint); margin-right: 8px; flex-shrink: 0; }
.sheet-save {
  width: 100%; margin-top: 6px; border: none; cursor: pointer;
  background: var(--green-deep); color: #f3efe4;
  border-radius: 14px; padding: 14px 0; font-size: 15px;
  letter-spacing: .4em; text-indent: .4em; font-family: var(--serif); font-weight: 600;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 96px; transform: translateX(-50%);
  background: rgba(47, 66, 55, .94); color: #f3efe4;
  font-size: 13px; letter-spacing: .12em;
  padding: 10px 20px; border-radius: 999px; z-index: 99;
  pointer-events: none; white-space: nowrap;
  animation: toast-in .25s ease;
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---------- 桌面宽屏适配 ---------- */
@media (min-width: 560px) {
  .page { max-width: 440px; margin: 0 auto; padding-left: 0; padding-right: 0; }
  body { align-items: center; }
}