/* Air Pod Ltd. — 复古未来工业仪表盘
   字体:仅使用系统等宽字体栈(无 Web 字体、无外链) */
:root {
  --steel: #e2e8f0;
  --steel-2: #cbd5e1;
  --lab: #f8fafc;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #64748b;
  --line: #94a3b8;
  --amber: #f59e0b;
  --amber-d: #b45309;
  --red: #dc2626;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono", Menlo, Consolas, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 14px/1.6 var(--mono);
  color: var(--ink);
  background:
    linear-gradient(var(--lab), var(--lab)) padding-box,
    var(--lab);
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.14) 1px, transparent 1px);
  background-size: 32px 32px;
  min-height: 100vh;
  overflow-x: clip;
}
button, input, textarea { font: inherit; color: inherit; }
kbd {
  font: 10px var(--mono);
  border: 1px solid currentColor;
  padding: 0 4px;
  border-radius: 2px;
  opacity: 0.7;
}
.muted { color: var(--ink-3); font-weight: 400; }
.spacer { flex: 1; }

/* Ticker */
.ticker {
  background: var(--ink);
  color: #e2e8f0;
  overflow: hidden;
  white-space: nowrap;
  font-size: 12px;
  border-bottom: 3px solid var(--amber);
}
.ticker-track {
  display: inline-flex;
  gap: 0;
  padding: 7px 0;
  animation: scroll 60s linear infinite;
  will-change: transform;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker .item { padding: 0 22px; border-right: 1px solid #334155; }
.ticker .k { color: #94a3b8; margin-right: 6px; }
.ticker .v { color: #fff; font-variant-numeric: tabular-nums; }
.ticker .st { color: var(--amber); font-weight: 700; }
.ticker .st::before { content: "● "; animation: blink 1.4s steps(2) infinite; }
@keyframes scroll { to { transform: translateX(-50%); } }
@keyframes blink { 50% { opacity: 0.15; } }

/* Masthead */
.masthead {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(14px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
  background: rgba(226, 232, 240, 0.7);
  backdrop-filter: blur(4px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font-size: clamp(22px, 3.4vw, 34px); letter-spacing: 0.14em; line-height: 1; }
.brand h1 span { background: var(--amber); padding: 0 6px; margin-left: 2px; }
.brand-full { margin: 6px 0 0; font-size: 11px; color: var(--ink-2); letter-spacing: 0.04em; }
.slogan { margin-left: auto; text-align: right; font-size: 13px; }
.slogan em { font-style: normal; color: var(--amber-d); font-weight: 700; }
.slogan small { display: block; color: var(--ink-3); font-size: 11px; }

/* Language switch */
.lang { display: inline-flex; border: 1.5px solid var(--ink); background: var(--lab); }
.lang button { border: 0; background: transparent; padding: 6px 11px; cursor: pointer; font-size: 12px; letter-spacing: 0.06em; }
.lang button + button { border-left: 1px solid var(--ink); }
.lang button.on { background: var(--ink); color: var(--amber); }
.lang button:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.submit-form label > span { display: block; }

/* Disclaimer */
.disclaimer {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin: 18px clamp(14px, 3vw, 36px) 0;
  padding: 10px 14px;
  border: 1.5px solid var(--ink);
  background: repeating-linear-gradient(-45deg, #fff7e0, #fff7e0 10px, #fef3c7 10px, #fef3c7 20px);
  font-size: 12.5px;
}
.disclaimer b { background: var(--ink); color: var(--amber); padding: 1px 8px; letter-spacing: 0.15em; white-space: nowrap; }
.disclaimer p { margin: 0; }

/* Buttons */
.btn {
  border: 1.5px solid var(--ink);
  background: var(--lab);
  padding: 8px 14px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: transform 0.08s, background 0.15s, box-shadow 0.15s;
  box-shadow: 3px 3px 0 var(--ink);
}
a.btn { color: var(--ink); text-decoration: none; display: inline-block; }
.btn:hover { background: #fff; }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn:focus-visible, .seg button:focus-visible, .shelf-item:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.btn.primary { background: var(--amber); font-weight: 700; }
.btn.primary:hover { background: #fbbf24; }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.ghost:hover { background: var(--steel); }
.btn.big { width: 100%; padding: 16px; font-size: 18px; letter-spacing: 0.12em; }
.btn.primary.on { background: var(--ink); color: var(--amber); }
.btn:disabled { opacity: 0.5; cursor: wait; }

/* Console grid */
.console > * { min-width: 0; }
.console {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 340px;
  gap: 18px;
  padding: 18px clamp(14px, 3vw, 36px);
  align-items: start;
}
.panel {
  position: relative;
  background: rgba(248, 250, 252, 0.92);
  border: 1.5px solid var(--ink);
  padding: 14px;
}
.panel::before, .panel::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border: 3px solid var(--amber);
  pointer-events: none;
}
.panel::before { top: -4px; left: -4px; border-right: 0; border-bottom: 0; }
.panel::after { bottom: -4px; right: -4px; border-left: 0; border-top: 0; }
.panel-h { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 12px; }
.tag { background: var(--ink); color: var(--lab); padding: 1px 8px; letter-spacing: 0.14em; font-size: 11px; }
.code { font-weight: 700; letter-spacing: 0.08em; }
.state { color: var(--amber-d); font-weight: 700; letter-spacing: 0.1em; }
.state.live { color: #047857; }

/* Shelf */
.shelf { padding: 0; }
.shelf-group { border-bottom: 1px solid var(--line); }
.shelf-group:last-child { border-bottom: 0; }
.shelf-h {
  padding: 8px 12px;
  background: var(--steel);
  font-size: 12px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
}
.shelf-h b { display: block; letter-spacing: 0.06em; }
.shelf-h small { color: var(--ink-3); font-size: 10.5px; }
.shelf-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px 9px 14px;
  background: transparent;
  border: 0;
  border-left: 4px solid transparent;
  border-bottom: 1px dashed var(--steel-2);
  cursor: pointer;
}
.shelf-item:hover { background: var(--steel); }
.shelf-item.on { background: #fff; border-left-color: var(--amber); }
.shelf-item .c { font-size: 11px; color: var(--ink-3); letter-spacing: 0.08em; }
.shelf-item.on .c { color: var(--amber-d); font-weight: 700; }
.shelf-item .n { display: block; font-size: 13px; line-height: 1.35; }
.shelf-item .eq { float: right; display: none; gap: 2px; align-items: flex-end; height: 12px; }
.shelf-item.playing .eq { display: inline-flex; }
.eq i { width: 3px; background: var(--amber); animation: eq 0.9s ease-in-out infinite alternate; }
.eq i:nth-child(1) { height: 5px; }
.eq i:nth-child(2) { height: 10px; animation-delay: -0.3s; }
.eq i:nth-child(3) { height: 7px; animation-delay: -0.6s; }
@keyframes eq { to { transform: scaleY(0.3); transform-origin: bottom; } }
.shelf-empty { padding: 10px 14px; font-size: 12px; color: var(--ink-3); }

/* Stage */
.cap-name { margin: 6px 0 0; font-size: clamp(18px, 2.2vw, 24px); line-height: 1.3; }
.cap-en { margin: 2px 0 10px; font-size: 12px; color: var(--ink-3); letter-spacing: 0.06em; }
.viz {
  position: relative;
  height: clamp(340px, 52vh, 480px);
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse at 50% 40%, #fff 0%, #eef2f7 60%, #dfe6ee 100%);
  overflow: hidden;
}
.viz canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.fog {
  position: absolute;
  inset: -20%;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(40% 30% at 15% 90%, rgba(255, 255, 255, 0.95), transparent 70%),
    radial-gradient(40% 30% at 85% 85%, rgba(255, 255, 255, 0.95), transparent 70%),
    radial-gradient(50% 30% at 50% 100%, rgba(255, 255, 255, 0.95), transparent 70%),
    radial-gradient(30% 40% at 0% 50%, rgba(226, 232, 240, 0.9), transparent 70%),
    radial-gradient(30% 40% at 100% 50%, rgba(226, 232, 240, 0.9), transparent 70%);
}
.fog.go { animation: fog 4.5s ease-out forwards; }
.fog.hold { opacity: 0.35; }
@keyframes fog {
  0% { opacity: 0.95; transform: scale(1.25); }
  100% { opacity: 0.35; transform: scale(1); }
}
.cap-desc { margin: 12px 0; font-size: 13px; color: var(--ink-2); }
.analysis { border: 1px solid var(--line); background: #fff; }
.analysis-h { padding: 4px 10px; background: var(--steel); font-size: 11px; letter-spacing: 0.12em; border-bottom: 1px solid var(--line); }
.an-row { display: grid; grid-template-columns: minmax(110px, 168px) 1fr auto; gap: 10px; align-items: center; padding: 6px 10px; font-size: 12.5px; border-bottom: 1px dashed var(--steel-2); }
.an-row:last-child { border-bottom: 0; }
.an-bar { height: 8px; background: var(--steel); position: relative; }
.an-bar i { position: absolute; inset: 0 auto 0 0; background: var(--ink); width: 0; transition: width 1.1s cubic-bezier(0.2, 0.7, 0.2, 1); }
.an-row b { font-variant-numeric: tabular-nums; min-width: 78px; text-align: right; }

/* Deck */
.deck { display: flex; flex-direction: column; gap: 14px; position: sticky; top: 14px; }
.timer-read { font-weight: 700; font-variant-numeric: tabular-nums; }
.hint { margin: -6px 0 0; font-size: 11.5px; color: var(--ink-3); }
.lbl { font-size: 11px; letter-spacing: 0.12em; color: var(--ink-2); margin-bottom: 6px; display: flex; justify-content: space-between; }
.block { border-top: 1px solid var(--line); padding-top: 12px; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; background: linear-gradient(90deg, var(--ink) var(--p, 50%), var(--steel-2) var(--p, 50%)); border: 1px solid var(--ink); }
input[type="range"]::-moz-range-track { height: 6px; background: var(--steel-2); border: 1px solid var(--ink); }
input[type="range"]::-moz-range-progress { height: 6px; background: var(--ink); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 22px; margin-top: -9px; background: var(--amber); border: 1.5px solid var(--ink); }
input[type="range"]::-moz-range-thumb { width: 12px; height: 20px; border-radius: 0; background: var(--amber); border: 1.5px solid var(--ink); }
.mixer .m { margin-bottom: 8px; }
.mixer .m label { display: flex; justify-content: space-between; font-size: 12.5px; }
.mixer .m output { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.seg { display: grid; grid-template-columns: repeat(4, 1fr); border: 1.5px solid var(--ink); }
.seg button { background: transparent; border: 0; border-right: 1px solid var(--ink); padding: 7px 0; cursor: pointer; font-size: 12px; }
.seg button:last-child { border-right: 0; }
.seg button:hover { background: var(--steel); }
.seg button.on { background: var(--ink); color: var(--amber); }
.actions { display: grid; gap: 10px; }

/* UGC */
.submit { margin-top: 10px; background: var(--steel); border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); }
.submit-in { max-width: 1180px; margin: 0 auto; padding: 36px clamp(14px, 3vw, 36px); display: grid; grid-template-columns: 1.1fr 1fr; gap: 36px; }
.submit h2 { margin: 10px 0 8px; font-size: 28px; letter-spacing: 0.06em; }
.rules { padding-left: 18px; color: var(--ink-2); font-size: 12.5px; }
.submit-form { display: grid; gap: 12px; background: var(--lab); border: 1.5px solid var(--ink); padding: 18px; }
.submit-form label { display: grid; gap: 4px; font-size: 12px; letter-spacing: 0.08em; color: var(--ink-2); }
.submit-form input:not([type="range"]), .submit-form textarea { border: 1.5px solid var(--ink); background: #fff; padding: 8px 10px; border-radius: 0; width: 100%; letter-spacing: 0; color: var(--ink); }
.submit-form input:focus, .submit-form textarea:focus { outline: 3px solid var(--amber); outline-offset: 0; }
.hp { position: absolute !important; left: -9999px; opacity: 0; height: 0; }
.form-msg { margin: 0; min-height: 1.4em; font-size: 12.5px; }
.form-msg.ok { color: #047857; }
.form-msg.err { color: var(--red); }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 18px clamp(14px, 3vw, 36px) 30px; font-size: 11.5px; color: var(--ink-3); }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 50; background: rgba(15, 23, 42, 0.55); display: grid; place-items: center; padding: 16px; backdrop-filter: blur(3px); animation: fade 0.25s; overflow: auto; }
.modal[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.modal-card { background: var(--lab); border: 2px solid var(--ink); box-shadow: 8px 8px 0 var(--amber); width: min(560px, 100%); padding: 26px 26px 22px; position: relative; max-height: calc(100vh - 32px); overflow: auto; animation: rise 0.35s cubic-bezier(0.2, 0.8, 0.2, 1); }
@keyframes rise { from { transform: translateY(18px); opacity: 0; } }
.cert-h { text-align: center; border-bottom: 2px double var(--ink); padding-bottom: 12px; margin-bottom: 14px; }
.cert-h small { letter-spacing: 0.2em; color: var(--ink-3); }
.cert-h h3 { margin: 6px 0 2px; font-size: 22px; letter-spacing: 0.1em; }
.cert-h p { margin: 0; font-size: 11.5px; color: var(--ink-2); letter-spacing: 0.06em; }
.cert dl { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; margin: 0 0 12px; font-size: 13px; }
.cert dt { color: var(--ink-3); }
.cert dd { margin: 0; font-weight: 700; }
.cert-an { border: 1px solid var(--ink); }
.cert-foot { display: flex; justify-content: space-between; align-items: flex-end; margin-top: 14px; gap: 12px; }
.stamp { width: 96px; height: 96px; border: 3px solid var(--red); color: var(--red); border-radius: 50%; display: grid; place-items: center; text-align: center; font-size: 11px; font-weight: 700; transform: rotate(-14deg); line-height: 1.3; opacity: 0; animation: stamp 0.5s 0.5s forwards cubic-bezier(0.2, 1.6, 0.3, 1); box-shadow: inset 0 0 0 3px var(--lab), inset 0 0 0 4px var(--red); }
@keyframes stamp { from { opacity: 0; transform: rotate(-14deg) scale(2.2); } to { opacity: 0.9; transform: rotate(-14deg) scale(1); } }
.barcode { color: var(--ink); display: block; max-width: 100%; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; align-items: center; }
.modal-actions .skip { margin-right: auto; font-size: 12px; color: var(--ink-3); display: flex; gap: 6px; align-items: center; cursor: pointer; }
.rx-img { display: block; width: min(300px, 100%); margin: 0 auto 14px; border: 1.5px solid var(--ink); box-shadow: 4px 4px 0 var(--steel-2); }
.modal-card.rx { width: min(440px, 100%); }

/* Boss */
.boss { touch-action: manipulation; position: fixed; inset: 0; z-index: 100; background: #f3f4f6; color: #111827; font: 13px/1.5 "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; display: flex; flex-direction: column; }
.boss[hidden] { display: none; }
.boss-top { background: #1f2937; color: #e5e7eb; padding: 10px 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.boss-meta { color: #9ca3af; font-size: 12px; }
.boss-ok { color: #059669; }
.boss-top .boss-ok { color: #34d399; }
.boss-body { display: flex; flex: 1; min-height: 0; }
.boss-side { width: 150px; background: #fff; border-right: 1px solid #e5e7eb; padding: 10px 0; flex-shrink: 0; }
.boss-side div { padding: 9px 18px; color: #4b5563; }
.boss-side .on { background: #eff6ff; color: #1d4ed8; border-left: 3px solid #1d4ed8; font-weight: 600; }
.boss-main { flex: 1; padding: 14px; overflow: auto; }
.boss-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.boss-card { background: #fff; border: 1px solid #e5e7eb; border-radius: 4px; padding: 8px 10px; }
.boss-card-h { display: flex; justify-content: space-between; font-size: 12px; color: #4b5563; margin-bottom: 4px; }
.boss-card-h b { color: #111827; font-variant-numeric: tabular-nums; }
.boss-card canvas { width: 100%; height: 150px; display: block; }
.boss-table { width: 100%; margin-top: 12px; background: #fff; border-collapse: collapse; border: 1px solid #e5e7eb; font-size: 12px; }
.boss-table th, .boss-table td { padding: 6px 10px; border-bottom: 1px solid #f3f4f6; text-align: left; }
.boss-table th { background: #f9fafb; color: #6b7280; font-weight: 600; }
@media (max-width: 720px) { .boss-side { display: none; } .boss-grid { grid-template-columns: 1fr; } }

/* Responsive */
@media (max-width: 1180px) {
  .console { grid-template-columns: 240px minmax(0, 1fr); }
  .deck { grid-column: 1 / -1; position: static; display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
  .deck > .panel-h, .deck > .btn.big, .deck > .hint { grid-column: 1 / -1; }
  .submit-in { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .masthead { flex-wrap: wrap; gap: 10px; }
  .slogan { margin-left: 0; text-align: left; order: 3; width: 100%; }
  .lang { margin-left: auto; }
  .console { grid-template-columns: 1fr; }
  .shelf { order: -1; display: flex; overflow-x: auto; scroll-snap-type: x proximity; padding: 0; }
  .shelf-group { display: flex; border-bottom: 0; border-right: 1px solid var(--line); flex-shrink: 0; }
  .shelf-h { display: none; }
  .shelf-empty { width: 200px; }
  .shelf-item { width: 168px; border-bottom: 0; border-left: 0; border-top: 4px solid transparent; scroll-snap-align: start; }
  .shelf-item.on { border-top-color: var(--amber); }
  .deck { display: flex; }
  .an-row { grid-template-columns: minmax(92px, 128px) 1fr auto; font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
  .fog.go, .stamp, .modal-card, .eq i { animation: none; }
  .stamp { opacity: 0.9; }
}