:root {
  --c-ink: #0F172A;
  --c-ink-2: #475569;
  --c-bg: #F6F7FB;
  --c-card: #FFFFFF;
  --c-border: #E3E6EE;
  --c-head: #1B1E2B;
  --c-head-2: #262A3D;
  --c-pink: #FF5FB7;
  --c-pink-2: #FF7AD9;
  --c-orange: #FF8C1A;
  --c-orange-ink: #9A4A00;   /* 橘色系文字，白底對比 ≥ 4.5:1 */
  --c-blue: #2563EB;
  --c-blue-ink: #1D4ED8;
  --c-blue-bg: #EAF1FF;
  --c-orange-bg: #FFF3E6;
  --c-pink-bg: #FFF0F8;
  --grad: linear-gradient(135deg, var(--c-pink-2) 0%, var(--c-pink) 45%, var(--c-orange) 100%);
  --r: 14px;
  --r-sm: 10px;
  --dur: 160ms;
  --font: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --c-ink: #F1F3F9;
    --c-ink-2: #A9B1C4;
    --c-bg: #10121A;
    --c-card: #1A1D29;
    --c-border: #2C3043;
    --c-orange-ink: #FFB066;
    --c-blue-ink: #8FB4FF;
    --c-blue-bg: #17233F;
    --c-orange-bg: #2E2116;
    --c-pink-bg: #2C1A27;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 17px; line-height: 1.55;
  color: var(--c-ink); background: var(--c-bg);
  padding-bottom: env(safe-area-inset-bottom);
}
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* 頂部 */
.top {
  background: linear-gradient(160deg, var(--c-head-2), var(--c-head));
  color: #fff; padding: calc(env(safe-area-inset-top) + 18px) 20px 22px;
  position: relative; overflow: hidden;
}
.top::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--grad);
}
.top-inner { max-width: 640px; margin: 0 auto; display: flex; align-items: center; gap: 14px; }
.logo { border-radius: 11px; display: block; }
h1 { font-size: 23px; margin: 0; letter-spacing: .04em; font-weight: 700; }
.sub { margin: 2px 0 0; font-size: 13.5px; color: #C3C8D8; }

.wrap { max-width: 640px; margin: 0 auto; padding: 18px 18px 28px; }
.sec-title { font-size: 16px; font-weight: 700; margin: 0 0 10px; color: var(--c-ink); letter-spacing: .02em; }
.count { font-weight: 500; color: var(--c-ink-2); font-size: 14px; }

.card { background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--r); padding: 18px; }
.req { margin-bottom: 22px; }
.lbl { display: block; font-size: 14px; color: var(--c-ink-2); margin-bottom: 6px; }
.row { display: flex; gap: 10px; }
input[type="text"], input[type="search"] {
  font: inherit; font-size: 18px; color: var(--c-ink); background: var(--c-bg);
  border: 1.5px solid var(--c-border); border-radius: var(--r-sm); height: 46px; padding: 0 14px; width: 100%;
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease;
}
#code { flex: 1; min-width: 0; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
input:focus-visible { outline: none; border-color: var(--c-pink); box-shadow: 0 0 0 3px rgba(255, 95, 183, .25); }
.btn {
  flex: none; display: inline-flex; align-items: center; gap: 6px; height: 46px; padding: 0 16px;
  font: inherit; font-size: 15px; font-weight: 700; color: #1B1E2B; border: 0; border-radius: var(--r-sm);
  background: var(--grad); cursor: pointer; transition: opacity var(--dur) ease, filter var(--dur) ease;
}
.btn:active { filter: brightness(.92); }
.btn:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 2px; }
.btn[disabled] { opacity: .55; cursor: default; }
.btn .ic { width: 16px; height: 16px; stroke-width: 2.5; }
.help { font-size: 13.5px; color: var(--c-ink-2); margin: 8px 0 0; }
.msg { font-size: 15px; margin: 6px 0 0; min-height: 0; }
.msg:empty { display: none; }
.msg.err { color: var(--c-orange-ink); }
.msg.ok { color: var(--c-blue-ink); }

/* 佇列 */
.queue { margin-bottom: 22px; }
.qlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.qi {
  display: flex; align-items: center; gap: 12px; background: var(--c-card); border: 1px solid var(--c-border);
  border-radius: var(--r-sm); padding: 10px 14px; font-size: 15px;
}
.qi .code { font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: .04em; min-width: 64px; }
.qi .st { display: inline-flex; align-items: center; gap: 6px; margin-left: auto; font-size: 14px; font-weight: 600; }
.qi .when { color: var(--c-ink-2); font-size: 13px; }
.st-queued { color: var(--c-ink-2); }
.st-running { color: var(--c-ink); }
.st-done { color: var(--c-blue-ink); }
.st-failed { color: var(--c-orange-ink); }
.qi.failed { background: var(--c-orange-bg); border-color: transparent; }
.qi.done { background: var(--c-blue-bg); border-color: transparent; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 搜尋與列表 */
.search { position: relative; margin-bottom: 12px; }
.search .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--c-ink-2); }
.search input { padding-left: 42px; background: var(--c-card); font-size: 16px; }
.rlist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ri a {
  display: flex; align-items: center; gap: 14px; text-decoration: none; color: inherit;
  background: var(--c-card); border: 1px solid var(--c-border); border-radius: var(--r); padding: 14px 14px 14px 16px;
  min-height: 72px; transition: border-color var(--dur) ease, background-color var(--dur) ease;
}
.ri a:active { background: var(--c-pink-bg); }
.ri a:focus-visible { outline: 3px solid var(--c-blue); outline-offset: 2px; }
.badge {
  flex: none; width: 58px; height: 44px; border-radius: 10px; display: grid; place-items: center;
  font-weight: 800; font-size: 15.5px; letter-spacing: .03em; font-variant-numeric: tabular-nums;
  color: #fff; background: linear-gradient(160deg, var(--c-head-2), var(--c-head));
  box-shadow: inset 0 -3px 0 var(--c-pink);
}
.ri .main { min-width: 0; flex: 1; }
.ri .name { font-weight: 700; font-size: 17.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ri .meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font-size: 13.5px; color: var(--c-ink-2); margin-top: 2px; }
.tag { background: var(--c-pink-bg); color: var(--c-ink); border-radius: 999px; padding: 1px 9px; font-size: 12.5px; }
.ri .chev { color: var(--c-ink-2); }
.ri.new .badge { box-shadow: inset 0 -3px 0 var(--c-orange); }
.empty { color: var(--c-ink-2); text-align: center; padding: 28px 0; font-size: 15px; list-style: none; }
.foot { text-align: center; color: var(--c-ink-2); font-size: 12.5px; margin-top: 28px; }

/* 加入主畫面提示 */
.a2hs {
  position: fixed; left: 14px; right: 14px; bottom: calc(env(safe-area-inset-bottom) + 14px); z-index: 20;
  max-width: 420px; margin: 0 auto; background: var(--c-head); color: #fff; border-radius: var(--r);
  padding: 14px 44px 14px 16px; box-shadow: 0 12px 30px rgba(15, 18, 30, .35);
  animation: rise .28s ease-out;
}
.a2hs::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; border-radius: var(--r) var(--r) 0 0; background: var(--grad); }
.a2hs-t { margin: 0; font-weight: 700; font-size: 16px; }
.a2hs-s { margin: 4px 0 0; font-size: 14.5px; color: #D5D9E6; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.a2hs .share { color: #7FB0FF; width: 20px; height: 20px; }
.a2hs .arrow { position: absolute; left: 50%; bottom: -30px; width: 26px; height: 26px; margin-left: -13px; color: var(--c-pink); stroke-width: 2.6; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; animation: bob 1.4s ease-in-out infinite; }
.x { position: absolute; top: 4px; right: 4px; width: 44px; height: 44px; display: grid; place-items: center; background: none; border: 0; color: #C3C8D8; cursor: pointer; border-radius: 10px; }
.x:focus-visible { outline: 2px solid #7FB0FF; }
@keyframes rise { from { transform: translateY(16px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
@media (prefers-reduced-motion: reduce) {
  .spin, .a2hs, .a2hs .arrow { animation: none; }
  * { transition: none !important; }
}
@media (max-width: 360px) {
  .btn span { display: none; }
  .btn { padding: 0 14px; }
}