/* 点歌 — a KTV request queue drawn as a running LED strip on bone paper. Blocky segments, no soft gradients, no radii. */
:root {
  --paper: #EEEBE2; --ink: #17171D; --mute: #6E6C66; --line: #17171D;
  --panel: #141419; --seg: #2A2B33; --lit: #00F0A8; --litInk: #04140F;
  --cjk: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
  --pix: 'Silkscreen', 'Martian Mono', ui-monospace, monospace;
  --mono: 'Martian Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --barH: 58px;
}
* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 15px/1.6 var(--body); padding-bottom: calc(var(--barH) + 18px + env(safe-area-inset-bottom)); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.booth { max-width: 1180px; margin: 0 auto; padding: 14px 16px 0; }

/* the name row: no bar, just a line of type */
.topline { display: flex; align-items: center; gap: 10px; padding-bottom: 10px; border-bottom: 3px solid var(--line); }
.topline-mark { width: 30px; height: 30px; image-rendering: pixelated; display: block; }
.topline-name { margin: 0; font: 900 26px/1 var(--cjk); letter-spacing: .04em; }
.topline-tag { font: 400 12px/1 var(--body); color: var(--mute); }
.wallet-btn { margin-left: auto; border: 2px solid var(--ink); background: transparent; padding: 7px 12px; font-weight: 700; font-size: 13px; cursor: pointer; }
.wallet-btn.on { background: var(--ink); color: var(--paper); font-family: var(--mono); font-size: 12px; }

.grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; padding-top: 14px; }
.maincol, .sidecol { min-width: 0; }

/* the lede: the live state, written out as a paragraph */
.lede { margin: 0 0 14px; font-size: 17px; line-height: 1.7; max-width: 46em; }
.lede b { font-weight: 700; background: var(--ink); color: var(--lit); padding: 0 4px; font-family: var(--mono); font-size: .92em; }
.lede i { font-style: normal; font-family: var(--cjk); font-size: 1.12em; }

/* the LED strip */
.marquee { background: var(--panel); color: #E9F7F2; border: 3px solid var(--ink); padding: 0 0 12px; }
.runline { overflow: hidden; border-bottom: 2px solid #000; background: #0C0C10; height: 26px; }
.runline-text { display: inline-block; white-space: nowrap; padding-left: 100%; font: 900 13px/26px var(--cjk); color: var(--lit); letter-spacing: .08em; animation: run 26s linear infinite; }
@keyframes run { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) { .runline-text { animation: none; padding-left: 12px; } }

.onstage { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 12px 12px 8px; }
.onstage-k { font: 700 10px/1.2 var(--pix); color: var(--lit); letter-spacing: .06em; display: flex; flex-direction: column; gap: 3px; }
.onstage-k span { font: 700 12px/1 var(--cjk); color: #9DB5AD; letter-spacing: .1em; }
.onstage-song { min-width: 0; display: flex; flex-direction: column; }
.onstage-song b { font: 900 24px/1.15 var(--cjk); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.onstage-song small { font: 400 11px/1.4 var(--mono); color: #9DB5AD; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.onstage-clock { text-align: right; display: flex; flex-direction: column; align-items: flex-end; }
.lcd { font: 700 30px/1 var(--pix); color: var(--lit); letter-spacing: .02em; }
.onstage-clock small { font-size: 11px; color: #9DB5AD; }
.dim .lcd, .dim .onstage-song b { color: #5D6A66; }

.segbar { display: grid; grid-template-columns: repeat(30, 1fr); gap: 3px; padding: 0 12px 12px; }
.segbar i { display: block; height: 12px; background: var(--seg); }
.segbar i.on { background: var(--lit); }
.segbar i.edge { background: #E9F7F2; }

.cuehead { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 12px 6px; border-top: 2px dashed #34353E; }
.cuehead span:first-child { font: 700 10px/1 var(--pix); color: var(--lit); letter-spacing: .06em; }
.cuehead em { font: normal 700 12px/1 var(--cjk); color: #9DB5AD; margin-left: 8px; letter-spacing: .1em; }
.cuehead-sum { font: 400 12px/1 var(--mono); color: #E9F7F2; }

.cuelane { list-style: none; margin: 0; padding: 4px 12px 6px; display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #34353E transparent; }
.cue { flex: 0 0 auto; scroll-snap-align: start; width: 128px; min-height: 104px; border: 2px solid #34353E; background: #1B1C22; padding: 8px 9px; display: flex; flex-direction: column; gap: 3px; position: relative; }
.cue-n { font: 700 10px/1 var(--pix); color: #6F7C78; }
.cue b { font: 700 17px/1.1 var(--pix); color: #E9F7F2; }
.cue .cue-song { font: 700 14px/1.2 var(--cjk); color: #C9D8D3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cue small { font: 400 10px/1.3 var(--mono); color: #7E8B87; }
.cue.top { border-color: var(--lit); background: var(--lit); color: var(--litInk); }
.cue.top .cue-n, .cue.top b, .cue.top .cue-song, .cue.top small { color: var(--litInk); }
.cue.top::after { content: '下一首唱'; position: absolute; top: -2px; right: -2px; background: var(--ink); color: var(--lit); font: 700 11px/1 var(--cjk); padding: 4px 6px; letter-spacing: .08em; }
.cue.me { outline: 2px dashed #E9F7F2; outline-offset: 2px; }
.cue-open { border-style: dashed; border-color: var(--lit); background: transparent; justify-content: center; }
.cue-open b { font: 900 17px/1.2 var(--cjk); color: var(--lit); }
.cue-open small { color: #9DB5AD; }
.cue-open .cue-n { color: var(--lit); }
.cue.fresh { animation: blink .5s steps(2) 3; }
@keyframes blink { 50% { border-color: #E9F7F2; } }

.splitline { margin: 8px 12px 0; padding: 9px 10px; background: #0C0C10; border-left: 6px solid var(--lit); font-size: 14px; line-height: 1.6; color: #E9F7F2; }
.splitline b { color: var(--lit); font-family: var(--mono); font-weight: 600; }

/* the action */
.cueform { margin-top: 14px; border: 3px solid var(--ink); background: #F7F5EF; padding: 12px; }
.cueform-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field span { font-size: 12px; color: var(--mute); }
.field em { font: normal 400 10px var(--pix); }
.field input, .field select { width: 100%; border: 2px solid var(--ink); background: #fff; padding: 9px 10px; font: 600 17px/1.2 var(--mono); border-radius: 0; -webkit-appearance: none; appearance: none; }
.field select { font: 500 17px/1.2 var(--cjk); }
.chips { display: flex; gap: 6px; margin: 10px 0; flex-wrap: wrap; }
.chips button { border: 2px solid var(--ink); background: transparent; padding: 5px 10px; font-size: 13px; cursor: pointer; }
.chips button:hover { background: var(--ink); color: var(--paper); }
.cue-go { width: 100%; border: 3px solid var(--ink); background: var(--lit); color: var(--litInk); padding: 13px; font: 900 20px/1 var(--cjk); letter-spacing: .12em; cursor: pointer; box-shadow: 4px 4px 0 var(--ink); }
.cue-go:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.cue-go:disabled { background: #D8D5CC; color: var(--mute); cursor: default; box-shadow: none; }
.cuenote { margin: 9px 0 0; font-size: 12px; color: var(--mute); }
.mine { margin-top: 10px; border-top: 2px dashed var(--ink); padding-top: 10px; font-size: 14px; }
.mine-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.mine-row input { width: 110px; border: 2px solid var(--ink); padding: 6px 8px; font: 600 15px var(--mono); border-radius: 0; }
.mine-row button { border: 2px solid var(--ink); background: var(--ink); color: var(--lit); padding: 6px 12px; cursor: pointer; font-weight: 700; }

.altview { margin-top: 14px; border: 3px solid var(--ink); background: #F7F5EF; padding: 12px; }
.altview h2 { margin: 0 0 8px; font: 900 22px/1.2 var(--cjk); }
.altview ol { list-style: none; margin: 0; padding: 0; }
.altview li { border-top: 1px solid #CFCBC0; padding: 7px 0; font-size: 14px; }
.altview code { font: 12px var(--mono); }

/* the printed tape */
.receipt, .handoffs, .pricecard { border: 3px solid var(--ink); background: #F7F5EF; padding: 10px 12px; margin-bottom: 14px; }
.receipt-h { margin: 0 0 6px; font: 900 18px/1.2 var(--cjk); letter-spacing: .06em; }
.receipt-h small { font: 400 11px var(--body); color: var(--mute); letter-spacing: 0; margin-left: 6px; }
.tape, .handoff-list { list-style: none; margin: 0; padding: 0; max-height: 300px; overflow-y: auto; }
.tape li, .handoff-list li { border-top: 1px dashed #BDB9AE; padding: 6px 0; font: 400 12px/1.55 var(--mono); display: flex; gap: 8px; }
.tape li time, .handoff-list li time { color: var(--mute); flex: 0 0 auto; }
.tape li span, .handoff-list li span { min-width: 0; overflow-wrap: anywhere; }
.tape li b, .handoff-list li b { font-weight: 600; background: var(--ink); color: var(--lit); padding: 0 3px; }
.tape li.print { animation: print .6s steps(6); }
@keyframes print { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
.tape-quiet { color: var(--mute); font-family: var(--body) !important; font-size: 13px !important; }
.prices { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; margin: 0; font-size: 13px; }
.prices dt { color: var(--mute); }
.prices dd { margin: 0; text-align: right; font-family: var(--mono); font-size: 12px; }

/* rules */
.rulebook { margin-top: 18px; border-top: 3px solid var(--ink); padding-top: 12px; }
.rulebook h2 { font: 900 26px/1.1 var(--cjk); margin: 0 0 10px; }
.rule-steps { margin: 0; padding: 0; list-style: none; counter-reset: r; display: grid; gap: 10px; }
.rule-steps li { counter-increment: r; padding-left: 40px; position: relative; font-size: 15px; }
.rule-steps li::before { content: counter(r, decimal-leading-zero); position: absolute; left: 0; top: 1px; font: 700 12px/22px var(--pix); background: var(--ink); color: var(--lit); width: 30px; text-align: center; }
.rule-steps b { font: 900 18px var(--cjk); margin-right: 8px; }
.worked { margin-top: 14px; background: var(--panel); color: #E9F7F2; padding: 12px 14px; border: 3px solid var(--ink); }
.worked h3 { margin: 0 0 6px; font: 900 18px var(--cjk); color: var(--lit); }
.worked p { margin: 6px 0; font-size: 14px; }
.worked b { color: var(--lit); font-family: var(--mono); }

.credits { margin-top: 22px; border-top: 3px solid var(--ink); padding: 12px 0 8px; font-size: 12px; color: var(--mute); }
.credits p { margin: 4px 0; overflow-wrap: anywhere; }
.credits code { font: 11px var(--mono); color: var(--ink); }
.credits-links { display: flex; gap: 14px; flex-wrap: wrap; }
.credits-links a, #socials a { color: var(--ink); margin-right: 14px; }
.credits-sign { font-family: var(--cjk); font-size: 14px; color: var(--ink); }

/* the CA bar: a fixed dock above the thumb, at every width */
.cabar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; display: flex; align-items: center; gap: 8px; min-height: var(--barH); padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: var(--ink); color: #E9F7F2; border-top: 4px solid var(--lit); }
.cabar-k { font: 700 11px/1 var(--pix); background: var(--lit); color: var(--litInk); padding: 5px 6px; flex: 0 0 auto; }
.cabar-addr { flex: 1 1 auto; min-width: 0; font: 400 11px/1.35 var(--mono); overflow-wrap: anywhere; word-break: break-all; user-select: all; }
.cabar-copy { flex: 0 0 auto; border: 2px solid var(--lit); background: transparent; color: var(--lit); padding: 7px 12px; font-weight: 700; cursor: pointer; }
.cabar-copy.ok { background: var(--lit); color: var(--litInk); }
.cabar-copy:disabled { opacity: .45; cursor: default; }
.cabar-gm { flex: 0 0 auto; font-size: 11px; color: #9DB5AD; }

.drawer { position: fixed; inset: 0; z-index: 50; background: rgba(23, 23, 29, .55); display: flex; align-items: flex-end; justify-content: center; }
.drawer-card { background: var(--paper); border: 3px solid var(--ink); width: min(520px, 100%); padding: 14px; margin: 0 0 calc(var(--barH) + 8px); }
.drawer-top { display: flex; justify-content: space-between; align-items: center; }
.drawer-top h3 { margin: 0; font: 900 20px var(--cjk); }
.drawer-x { border: 2px solid var(--ink); background: transparent; width: 32px; height: 32px; cursor: pointer; }
.walletpick { display: grid; gap: 8px; margin-top: 10px; }
.walletpick button { display: flex; align-items: center; gap: 10px; border: 2px solid var(--ink); background: #fff; padding: 10px; cursor: pointer; }
.walletpick img { width: 24px; height: 24px; }
.blip { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--barH) + 16px); z-index: 60; background: var(--ink); color: var(--lit); padding: 9px 14px; font-size: 14px; border: 2px solid var(--lit); max-width: 90vw; }

/* ~720–1000: one column, wider measure, bigger object */
@media (min-width: 720px) {
  .booth { padding: 20px 28px 0; }
  .topline-name { font-size: 32px; }
  .lede { font-size: 18px; }
  .onstage-song b { font-size: 32px; }
  .lcd { font-size: 40px; }
  .segbar i { height: 16px; }
  .cue { width: 150px; min-height: 118px; }
  .cue b { font-size: 19px; }
  .cabar-addr { font-size: 13px; }
}
/* ≥1000: the strip and its action left, the tape + handoffs + prices as a column right */
@media (min-width: 1000px) {
  .grid { grid-template-columns: minmax(0, 1fr) 360px; gap: 26px; }
  .sidecol { position: sticky; top: 14px; align-self: start; }
  .lede { font-size: 19px; }
  .onstage { padding: 16px 16px 10px; }
  .onstage-song b { font-size: 40px; }
  .lcd { font-size: 52px; }
  .segbar { padding: 0 16px 16px; gap: 4px; }
  .segbar i { height: 20px; }
  .cuelane { padding: 4px 16px 8px; }
  .cue { width: 160px; min-height: 128px; }
  .splitline { margin: 8px 16px 0; font-size: 15px; }
  .rulebook { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
  .rulebook h2 { grid-column: 1 / -1; }
  .worked { margin-top: 0; }
}