:root {
  --paper: #f4efe4;
  --paper-2: #ece4d4;
  --card: #fffdf8;
  --ink: #241f1a;
  --ink-2: #5d5548;
  --ink-3: #938877;
  --line: #e2d8c6;
  --cinnabar: #a63a2e;
  --cinnabar-soft: #f2e3df;
  --shadow: 0 1px 2px rgba(60, 46, 30, .05), 0 8px 24px -12px rgba(60, 46, 30, .18);
  --serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

/* 必须置顶：否则 .loading/.result-head 上的 display:flex 会盖掉 hidden 属性 */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, .7), transparent 45%),
    radial-gradient(circle at 88% 92%, rgba(210, 190, 160, .28), transparent 50%);
  background-attachment: fixed;
}

button, input { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

/* ---------- loading ---------- */
.loading {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  background: var(--paper);
  z-index: 50;
}
.loading-mark {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--cinnabar);
  color: #fff;
  font-family: var(--serif);
  font-size: 34px;
  display: grid;
  place-items: center;
  animation: breathe 2.4s ease-in-out infinite;
}
.loading p { margin: 0; color: var(--ink-3); font-size: 13px; letter-spacing: .08em; }
@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .92; }
  50% { transform: scale(1.06); opacity: 1; }
}

/* ---------- layout ---------- */
.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 16px calc(150px + env(safe-area-inset-bottom));
}

.head {
  padding: 28px 2px 18px;
}
.head h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: .16em;
}
.head-sub {
  margin: 6px 0 0;
  color: var(--ink-3);
  font-size: 12.5px;
  letter-spacing: .04em;
}

/* ---------- panel ---------- */
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.field { margin-bottom: 14px; }
.field:last-child { margin-bottom: 0; }
.field > label {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.hint { color: var(--ink-3); opacity: .7; letter-spacing: 0; }

input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  outline: none;
  transition: border-color .18s, background .18s;
}
input[type="text"]:focus {
  border-color: var(--cinnabar);
  background: #fff;
}

#surname {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: .1em;
  padding: 10px 14px;
  text-align: center;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--cinnabar);
  height: 28px;
}
.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-3);
  margin-top: -4px;
}

.more { margin-top: 4px; }
.more > summary {
  list-style: none;
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 10px 0 4px;
  cursor: pointer;
  user-select: none;
}
.more > summary::-webkit-details-marker { display: none; }
.more > summary::before {
  content: "＋";
  display: inline-block;
  margin-right: 6px;
  color: var(--ink-3);
  transition: transform .2s;
}
.more[open] > summary::before { content: "−"; }
.more[open] { padding-top: 8px; }
.more .field { margin-top: 14px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper);
  font-size: 13px;
  color: var(--ink-2);
  transition: all .18s;
}
.chip[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: #fff;
}

/* ---------- 父母姓名 / 开关 ---------- */
.pair { display: flex; gap: 10px; }
.pair .field { flex: 1; min-width: 0; margin-bottom: 14px; }
.pair input[type="text"] { padding: 10px 12px; font-size: 14px; }

.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
}
.switch { position: relative; flex: none; width: 44px; height: 26px; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  transition: background .2s, border-color .2s;
}
.switch .track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(60, 46, 30, .22);
  transition: transform .2s;
}
.switch input:checked + .track { background: var(--cinnabar); border-color: var(--cinnabar); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch-text { font-size: 13.5px; color: var(--ink-2); }

.dedication {
  margin: 20px 0 0;
  padding: 10px 0;
  font-size: 12.5px;
  color: var(--cinnabar);
  letter-spacing: .06em;
  text-align: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- results ---------- */
.result-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 22px 4px 10px;
  font-size: 12.5px;
  color: var(--ink-3);
  letter-spacing: .06em;
}
.link {
  color: var(--cinnabar);
  font-size: 13px;
  padding: 4px 2px;
}

.results { display: flex; flex-direction: column; gap: 10px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
  position: relative;
  animation: rise .32s cubic-bezier(.2, .7, .3, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.card-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.name-line { display: flex; align-items: baseline; gap: 2px; }
.name-line .surname {
  font-family: var(--serif);
  font-size: 20px;
  color: var(--ink-3);
  letter-spacing: .04em;
}
.name-line .given {
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--ink);
}
.pinyin {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: .14em;
  font-variant: small-caps;
}

.fav {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--line);
  font-size: 19px;
  transition: transform .16s, color .16s;
}
.fav:active { transform: scale(.88); }
.fav[aria-pressed="true"] { color: var(--cinnabar); }

.meta {
  margin-top: 12px;
  padding-top: 11px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.src {
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: .02em;
}
.src .cat {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--cinnabar-soft);
  color: var(--cinnabar);
  font-size: 11px;
  margin-right: 7px;
  letter-spacing: .04em;
}
.quote {
  font-size: 13px;
  color: var(--ink-3);
  line-height: 1.7;
}
.quote em {
  font-style: normal;
  color: var(--ink);
  background: linear-gradient(transparent 62%, var(--cinnabar-soft) 62%);
}

.more-wrap { text-align: center; padding: 20px 0 8px; }

.empty { text-align: center; padding: 48px 0; color: var(--ink-3); }
.empty-sub { font-size: 12.5px; opacity: .8; }

/* ---------- bars ---------- */
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  max-width: 560px;
  margin: 0 auto;
  padding: 8px 16px calc(6px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--paper) 62%, rgba(244, 239, 228, 0));
  z-index: 20;
}
.tab {
  flex: 1;
  padding: 8px;
  font-size: 13px;
  color: var(--ink-3);
  letter-spacing: .1em;
  position: relative;
}
.tab.active { color: var(--ink); font-weight: 600; }
.tab.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--cinnabar);
  transform: translateX(-50%);
}
.badge {
  font-size: 11px;
  color: var(--cinnabar);
}

.actionbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(42px + env(safe-area-inset-bottom));
  max-width: 560px;
  margin: 0 auto;
  padding: 6px 16px 12px;
  z-index: 19;
}
.primary {
  width: 100%;
  padding: 15px;
  border-radius: 14px;
  background: var(--cinnabar);
  color: #fff;
  font-size: 16px;
  letter-spacing: .18em;
  box-shadow: 0 8px 20px -8px rgba(166, 58, 46, .6);
  transition: transform .14s, opacity .14s;
}
.primary:active { transform: scale(.985); opacity: .94; }
.primary:disabled { opacity: .45; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 132px;
  transform: translateX(-50%) translateY(8px);
  background: rgba(36, 31, 26, .92);
  color: #fff;
  font-size: 13px;
  padding: 9px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 60;
  white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

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