/* 傻吊 ID 生成器 — 视觉参考 Google 翻译深色主题（颜色取自参考图取样） */

:root {
  --bg: #131314;
  --surface: #1e1f20;
  --surface-2: #2d2e31;
  --outline: #444746;
  --text: #e3e3e3;
  --text-muted: #a9aca6;
  --primary: #a8c7fa;
  --hover: rgba(168, 199, 250, .08);
  --chip-active-bg: #0842a0;
  --chip-active-fg: #d3e3fd;
  --indicator: #7c8085;
  --inverse-surface: #e3e3e3;
  --inverse-on: #1f1f1f;
  --shadow: 0 12px 40px rgba(0, 0, 0, .5);
  --accent-1: #a8c7fa;
  --accent-2: #ffb683;
  --accent-3: #6dd58c;
  --accent-4: #d0bcff;
  --accent-5: #ffb4ab;
}

html[data-theme="light"] {
  --bg: #ffffff;
  --surface: #f0f4f9;
  --surface-2: #e8eaed;
  --outline: #d2d5da;
  --text: #1f1f1f;
  --text-muted: #5f6368;
  --primary: #0b57d0;
  --hover: rgba(11, 87, 208, .08);
  --chip-active-bg: #d3e3fd;
  --chip-active-fg: #041e49;
  --indicator: #5f6368;
  --inverse-surface: #303030;
  --inverse-on: #f1f1f1;
  --shadow: 0 12px 40px rgba(0, 0, 0, .18);
  --accent-1: #0b57d0;
  --accent-2: #b26a00;
  --accent-3: #1e8e3e;
  --accent-4: #7b4ec4;
  --accent-5: #b3261e;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "Noto Sans", system-ui, -apple-system, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .25s ease, color .25s ease;
}

::selection { background: rgba(168, 199, 250, .3); }

a { color: inherit; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 22px;
  height: 22px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon--fill { fill: currentColor; stroke: none; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 8px; }

/* ---------- 顶栏 ---------- */

.appbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 64px;
  padding: 0 12px;
  background: var(--bg);
}

.appbar__left, .appbar__right { display: flex; align-items: center; gap: 4px; }

.appbar__right { gap: 2px; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color .16s ease, color .16s ease;
}

.icon-btn:hover { background: var(--hover); color: var(--primary); }

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 4px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
}

/* 线条小丑：透明底、白线（浅色主题自动换成深色墨色，否则看不见） */

.clown {
  width: 30px;
  height: 30px;
  color: #fff;
  fill: none;
  stroke: currentColor;
  stroke-width: 3.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

html[data-theme="light"] .clown { color: #1f1f1f; }

.clown-eyes circle { fill: currentColor; stroke: none; }

.clown-arm {
  transform-box: view-box;
  transform-origin: 12.5px 55px;
  transform: rotate(48deg);
  transition: transform .38s cubic-bezier(.34, 1.56, .64, 1);
}

.clown.is-pinching .clown-arm { transform: rotate(0deg); }

.clown-fingers { opacity: 0; transition: opacity .12s ease .18s; }
.clown.is-pinching .clown-fingers { opacity: 1; }

.clown-nose { transform-box: fill-box; transform-origin: center; }
.clown.is-squeezing .clown-nose { animation: clown-squeeze .55s ease-in-out; }

@keyframes clown-squeeze {
  0%, 56%, 100% { transform: scale(1); }
  26% { transform: scale(.7, .76); }
  80% { transform: scale(.78, .84); }
}

.brand .clown { transition: transform .18s ease; }
.brand:hover .clown { transform: scale(1.07); }

.brand__name { font-size: 21px; font-weight: 400; letter-spacing: .01em; }

/* ---------- 页面 ---------- */

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 24px 72px;
}

/* ---------- 格式胶囊 ---------- */

.chips { display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 20px;
  border: 1px solid var(--outline);
  border-radius: 999px;
  background: none;
  color: var(--primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}

.chip .icon { width: 20px; height: 20px; }

.chip:hover { background: var(--hover); }

.chip.is-active {
  border-color: transparent;
  background: var(--chip-active-bg);
  color: var(--chip-active-fg);
}

/* ---------- 结构说明行 ---------- */

.struct {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 26px 0 20px;
}

.struct__left { display: flex; align-items: center; gap: 26px; min-width: 0; }

.struct__label {
  position: relative;
  padding-bottom: 12px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.struct__label::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: var(--indicator);
}

.struct__formula {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--text-muted);
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.struct__formula b { font-weight: 500; color: var(--text); }

.struct__formula .sep { opacity: .55; }

.struct__right { display: flex; align-items: center; gap: 14px; }

.struct__swap {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color .16s ease, color .16s ease, transform .3s ease;
}

.struct__swap:hover { background: var(--hover); color: var(--primary); }
.struct__swap:active { transform: rotate(180deg); }

/* ---------- 双卡片 ---------- */

.panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.panel {
  position: relative;
  min-height: 232px;
  padding: 26px 26px 58px;
  border: 1px solid transparent;
  border-radius: 26px;
}

.panel--outlined { border-color: var(--outline); }
.panel--filled { background: var(--surface); }

.panel__corner {
  position: absolute;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.panel__corner--right { right: 20px; }

.count { font-size: 13px; font-variant-numeric: tabular-nums; }

.idcard {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.idcard__text {
  display: block;
  font-size: clamp(21px, 2.2vw, 31px);
  font-weight: 500;
  line-height: 1.52;
  letter-spacing: .01em;
  overflow-wrap: anywhere;
}

.idcard__text.is-idle { font-size: clamp(18px, 1.8vw, 24px); font-weight: 400; color: var(--text-muted); }
.idcard__text.is-rolling { opacity: .62; }

@keyframes settle {
  from { transform: translateY(4px) scale(.99); opacity: .35; }
  to { transform: none; opacity: 1; }
}

.idcard__text.is-settle { animation: settle .26s cubic-bezier(.2, .8, .2, 1); }

/* ---------- 拆解 ---------- */

.parts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding-right: 44px;
}

.parts__placeholder { color: var(--text-muted); font-size: 22px; }

.part {
  --c: var(--accent-1);
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 7px 13px 8px;
  border: 1px solid color-mix(in srgb, var(--c) 28%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--c) 12%, transparent);
  color: var(--c);
  animation: part-in .3s cubic-bezier(.2, .8, .2, 1) both;
}

@keyframes part-in {
  from { transform: translateY(6px); opacity: 0; }
  to { transform: none; opacity: 1; }
}

.part__label { font-size: 11px; letter-spacing: .06em; opacity: .78; }
.part__value { font-size: 16px; font-weight: 500; }

.parts__conn { color: var(--text-muted); font-size: 13px; padding: 0 1px; }

/* ---------- 反馈 / 圆钮 ---------- */

.feedback {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
  padding-right: 6px;
}

.feedback a {
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
}

.feedback a:hover { color: var(--primary); text-decoration: underline; }

.actions {
  display: flex;
  justify-content: center;
  gap: 64px;
  margin: 60px 0 0;
}

.round {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  background: none;
  font-family: inherit;
  cursor: pointer;
}

.round__circle {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid var(--outline);
  border-radius: 50%;
  color: var(--text-muted);
  transition: background-color .16s ease, color .16s ease, border-color .16s ease, transform .16s ease;
}

.round:hover .round__circle { background: var(--hover); color: var(--primary); border-color: var(--primary); }
.round:active .round__circle { transform: scale(.95); }

.round__label { color: var(--text-muted); font-size: 13px; transition: color .16s ease; }
.round:hover .round__label { color: var(--text); }

.round.is-spinning .round__circle .icon { animation: spin .5s cubic-bezier(.3, .7, .3, 1); }

@keyframes spin { from { transform: rotate(-320deg); } to { transform: none; } }

/* ---------- 历史记录 ---------- */

.history {
  margin-top: 48px;
  padding: 20px 20px 14px;
  border-radius: 26px;
  background: var(--surface);
  animation: part-in .25s ease both;
}

.history__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 8px 10px;
}

.history__title { margin: 0; font-size: 15px; font-weight: 500; }

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: background-color .16s ease, color .16s ease;
}

.text-btn:hover { background: var(--hover); color: var(--primary); }
.text-btn .icon { width: 17px; height: 17px; }

.history__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 320px;
  margin: 0;
  padding: 0;
  overflow: auto;
  list-style: none;
}

.history__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 11px 14px;
  border: 0;
  border-radius: 14px;
  background: none;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: background-color .16s ease;
}

.history__item:hover { background: var(--hover); }
.history__id { overflow-wrap: anywhere; }
.history__time { flex: none; color: var(--text-muted); font-size: 12px; }

.history__empty { padding: 8px 14px 16px; color: var(--text-muted); font-size: 14px; }

/* ---------- 页脚 ---------- */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
  color: var(--text-muted);
  font-size: 13px;
}

.foot a { color: var(--text-muted); text-decoration: none; }
.foot a:hover { color: var(--primary); text-decoration: underline; }
.foot__sep { opacity: .5; }

/* ---------- 抽屉 ---------- */

.scrim {
  position: fixed;
  inset: 0;
  z-index: 30;
  background: rgba(0, 0, 0, .5);
  opacity: 0;
  transition: opacity .25s ease;
}

.scrim.is-open { opacity: 1; }

.drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  width: min(368px, 88vw);
  height: 100dvh;
  padding: 10px 10px 24px;
  border-radius: 0 20px 20px 0;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow-y: auto;
  transform: translateX(-102%);
  transition: transform .28s cubic-bezier(.2, .8, .2, 1);
}

.drawer.is-open { transform: none; }

.drawer__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px 18px 14px;
}

.drawer__title { flex: 1; font-size: 16px; font-weight: 500; }

.drawer__nav { display: flex; flex-direction: column; gap: 2px; }

.drawer__section {
  margin: 16px 16px 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .1em;
}

.drawer__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 13px 16px;
  border: 0;
  border-radius: 26px;
  background: none;
  color: var(--text);
  font-family: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .16s ease;
}

.drawer__item:hover { background: var(--hover); }
.drawer__item .icon { margin-top: 2px; color: var(--text-muted); }

.drawer__item-body { display: flex; flex-direction: column; gap: 2px; }
.drawer__item-body b { font-size: 14.5px; font-weight: 500; }
.drawer__item-body small { color: var(--text-muted); font-size: 12.5px; line-height: 1.45; }

.drawer__about {
  margin: 0 0 6px;
  padding: 0 16px;
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.75;
}

.drawer__about code {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--surface-2);
  font-size: 12.5px;
}

/* ---------- 提示条 ---------- */

.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  z-index: 60;
  max-width: min(560px, 88vw);
  padding: 13px 20px;
  border-radius: 10px;
  background: var(--inverse-surface);
  color: var(--inverse-on);
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 24px);
  transition: opacity .22s ease, transform .22s ease;
  overflow-wrap: anywhere;
}

.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式 ---------- */

@media (max-width: 860px) {
  .panels { grid-template-columns: 1fr; }
  .panel { min-height: 190px; }
  .struct__formula { display: none; }
  .actions { gap: 36px; margin-top: 44px; }
  .brand__name { font-size: 18px; }
  .page { padding: 4px 16px 56px; }
}

@media (max-width: 520px) {
  .round__circle { width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 999px; border: 2px solid var(--bg); }
::-webkit-scrollbar-track { background: transparent; }