/* OBJEV — Prague enamel street plates × mosaic cobbles × Mucha gold */
:root {
  --paper: #F5F0E6;
  --paper-2: #EBE4D5;
  --card: #FFFDF8;
  --ink: #1C1B1A;
  --ink-2: #5B554C;
  --line: #D8CFBE;
  --enamel: #C8102E;
  --enamel-dark: #9E0C24;
  --blue: #11457E;
  --gold: #C9A227;
  --roof: #B8442E;
  --ok: #1E7A46;
  --no: #B8442E;
  --plate-bg: #FFFFFF;
  --plate-ink: #141414;
  --shadow: 0 1px 2px rgba(28,27,26,.08), 0 8px 24px rgba(28,27,26,.08);
  --radius: 14px;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", "Noto Sans TC", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15171A; --paper-2: #1D2024; --card: #1F2226; --ink: #EDE7DA; --ink-2: #B3AB9C; --line: #343840;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); --ok: #4CC07F; --no: #F07A5F; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #15171A; --paper-2: #1D2024; --card: #1F2226; --ink: #EDE7DA; --ink-2: #B3AB9C; --line: #343840;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35); --ok: #4CC07F; --no: #F07A5F; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 112px; overflow-x: clip; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.75 var(--sans); overflow-x: clip; }
img { display: block; max-width: 100%; }
a { color: var(--blue); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) a { color: #8FB5EA; } }
button { font: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
h1, h2, h3 { line-height: 1.3; margin: 0; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

/* ── enamel street plate ── */
.plate {
  position: relative; display: inline-flex; align-items: center;
  background: var(--plate-bg); color: var(--plate-ink);
  border: 3px solid var(--enamel); border-radius: 7px;
  box-shadow: inset 0 0 0 2px var(--plate-bg), inset 0 0 0 3px rgba(200,16,46,.35), 0 1px 0 rgba(0,0,0,.15);
  padding: .14em .6em .08em; font: 700 1rem/1.15 var(--cond); letter-spacing: .04em; text-transform: uppercase;
  max-width: 100%;
}
.plate-corner { position: absolute; left: .4em; top: .18em; font-size: .5em; letter-spacing: .02em; color: var(--enamel); font-weight: 600; text-transform: none; }
.plate:has(.plate-corner) { padding-left: .7em; padding-top: .55em; }
.plate-text { overflow-wrap: anywhere; }
.plate-big { border-width: 6px; border-radius: 14px; font-size: clamp(3rem, 14vw, 6.5rem); padding: .2em .45em .05em; letter-spacing: .06em; }
.plate-big .plate-corner { font-size: .17em; left: .7em; top: .45em; }

/* ── mosaic cobbles ── */
.mosaic {
  height: 28px;
  background-color: var(--paper-2);
  background-image:
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%),
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%);
  background-size: 14px 14px; background-position: 0 0, 7px 7px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  opacity: .9;
}

/* ── buttons & chips ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4em; min-height: 46px; padding: .5em 1.1em;
  border-radius: 999px; border: 2px solid var(--ink); background: var(--card); color: var(--ink); font-weight: 700; text-decoration: none; }
.btn:hover { background: var(--paper-2); }
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--enamel); border-color: var(--enamel); color: #fff; }
.btn-primary:hover { background: var(--enamel-dark); }
.btn-ghost { border-color: var(--line); background: transparent; }
.btn-block { width: 100%; }
.chip { display: inline-flex; align-items: center; gap: .35em; min-height: 36px; padding: .2em .8em; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--card); font-size: .85rem; font-weight: 700; text-decoration: none; color: var(--ink); white-space: nowrap; }
.chip-toggle[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip-icon { font-family: Georgia, serif; }

#toast { position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom)); transform: translate(-50%, 140%); z-index: 90;
  background: var(--ink); color: var(--paper); padding: .55em 1.1em; border-radius: 999px; font-weight: 700; font-size: .95rem;
  transition: transform .3s ease; max-width: calc(100vw - 32px); text-align: center; pointer-events: none; }
#toast.show { transform: translate(-50%, 0); }
.mode-play #toast { bottom: calc(86px + env(safe-area-inset-bottom)); }

/* ═════════ BROWSE ═════════ */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 16px; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { text-decoration: none; }
.brand .plate { font-size: 1.05rem; }
.topbar-actions { display: flex; gap: 6px; min-width: 0; }

.hero { position: relative; max-width: 1100px; margin: 0 auto; padding: 20px 16px 0; display: grid; gap: 20px; }
.hero-photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; max-height: 68vh; box-shadow: var(--shadow); }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; }
.eyebrow { margin: 0 0 .4em; font: 600 .95rem/1.2 var(--cond); letter-spacing: .12em; color: var(--enamel); text-transform: uppercase; }
.hero-title { margin: .1em 0 .2em; }
.hero-sub { font-size: 1.25rem; font-weight: 700; margin: .2em 0; }
.hero-lead { color: var(--ink-2); margin: .4em 0 1em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.join-form { border: 1.5px dashed var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 18px; }
.join-label { display: block; font-size: .9rem; color: var(--ink-2); margin-bottom: 6px; }
.join-row { display: flex; gap: 8px; }
.code-input, .name-input { min-width: 0; flex: 1; min-height: 46px; padding: .4em .8em; border-radius: 12px; border: 2px solid var(--line);
  background: var(--card); color: var(--ink); font: 700 1.1rem var(--cond); letter-spacing: .2em; text-transform: uppercase; }
.name-input { letter-spacing: normal; text-transform: none; font: 500 1.05rem var(--sans); }
.hero .mosaic { grid-column: 1 / -1; }
@media (min-width: 860px) {
  .hero { grid-template-columns: 5fr 6fr; align-items: center; padding-top: 36px; gap: 40px; }
  .hero-photo { aspect-ratio: 3 / 4; }
}

/* tram line */
.line { position: sticky; top: 57px; z-index: 25; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 12px 6px; }
.line-list { list-style: none; margin: 0 auto; padding: 0; max-width: 900px; display: grid; grid-template-columns: repeat(6, 1fr); position: relative; }
.line-list::before { content: ""; position: absolute; left: 8%; right: 8%; top: 14px; height: 4px; background: var(--enamel); border-radius: 2px; }
.line-stop { min-width: 0; }
.line-stop a { position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px; text-decoration: none; color: var(--ink-2); }
.line-dot { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--card); border: 3px solid var(--enamel);
  font: 700 .95rem/1 var(--cond); color: var(--enamel); transition: transform .2s; }
.line-name { font-size: .72rem; line-height: 1.2; text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.line-stop.is-here .line-dot { background: var(--enamel); color: #fff; transform: scale(1.15); }
.line-stop.is-here .line-name { color: var(--ink); font-weight: 700; }
.line-stop.is-stamped .line-dot::after { content: "✓"; position: absolute; top: -4px; margin-left: 26px; font-size: .7rem; color: var(--ok); font-weight: 900; }

/* stop */
.stop, .finale { max-width: 760px; margin: 0 auto; padding: 36px 16px 8px; }
.stop-head { display: flex; gap: 14px; align-items: center; margin-bottom: 18px; }
.stop-sign { flex: none; width: 74px; height: 74px; border-radius: 14px; background: var(--blue); color: #fff; display: grid; place-items: center; align-content: center;
  border: 3px solid #fff; box-shadow: 0 0 0 2px var(--blue); text-align: center; }
.stop-no { font: 700 2rem/1 var(--cond); }
.stop-cs { font: 600 .62rem/1.1 var(--cond); letter-spacing: .08em; max-width: 66px; overflow-wrap: anywhere; }
.stop-sign-end { background: var(--enamel); box-shadow: 0 0 0 2px var(--enamel); }
.stop-name { font-size: 1.45rem; font-weight: 900; }
.stop-blurb { margin: .1em 0 0; color: var(--ink-2); }

/* card */
.card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 26px; }
.card-photo { margin: 0; background: var(--paper-2); max-height: 82vh; overflow: hidden; }
.card-photo img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 14px 16px 16px; }
.card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin-bottom: 8px; }
.card-cs-meaning { font-size: .85rem; color: var(--ink-2); }
.card-when { font: 600 .85rem var(--cond); letter-spacing: .06em; color: var(--ink-2); margin-left: auto; }
.card-title { font-size: 1.32rem; font-weight: 900; }
.card-cap { margin: .35em 0 0; color: var(--ink-2); }
.card.quiet .card-title { font-weight: 700; }
.card-detail { margin-top: 12px; }
.card-more { display: none; }
.card.open .card-more { display: block; }
.card-text { margin: .8em 0; }
.more-btn { margin-top: 10px; border: 0; background: none; color: var(--blue); font-weight: 700; padding: 6px 0; min-height: 40px; }
.more-btn::after { content: " ▾"; }
.card.open .more-btn::after { content: " ▴"; }
body.brief .card-detail, body.brief .game-panel, body.brief .p-quiz, body.brief .p-detail { display: none !important; }

.quiz { border-top: 1px dashed var(--line); padding-top: 12px; }
.quiz-q { font-weight: 700; margin: 0 0 8px; }
.quiz-tag { display: inline-block; background: var(--gold); color: #1c1b1a; font-size: .78rem; border-radius: 6px; padding: 0 .45em; margin-right: .45em; vertical-align: .1em; }
.quiz-result { font-weight: 900; margin: 8px 0 0; min-height: 1.5em; }
.quiz-result.ok { color: var(--ok); }
.quiz-result.no { color: var(--no); }

.mcq { display: grid; gap: 8px; }
.mcq-opt { position: relative; display: flex; align-items: center; gap: 10px; text-align: left; min-height: 50px; padding: 8px 12px; border-radius: 12px;
  border: 2px solid var(--line); background: var(--paper); overflow: hidden; }
.mcq-opt:hover:not([aria-disabled]) { border-color: var(--ink); }
.mcq-letter { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--ink); color: var(--paper); font: 700 .95rem/1 var(--cond); }
.mcq-text { position: relative; z-index: 1; flex: 1; }
.mcq-opt.is-picked { border-color: var(--blue); }
.mcq-opt.is-right { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, var(--paper)); }
.mcq-opt.is-right .mcq-letter { background: var(--ok); }
.mcq-opt.is-wrong { border-color: var(--no); background: color-mix(in srgb, var(--no) 12%, var(--paper)); }
.mcq-opt[aria-disabled] { cursor: default; }
.mcq-bar { position: absolute; inset: 0; pointer-events: none; }
.mcq-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: color-mix(in srgb, var(--gold) 30%, transparent); transition: width .5s ease; }
.mcq-count { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font: 700 1.1rem var(--cond); }

.myth { margin: 14px 0; border-radius: 12px; overflow: hidden; border: 1.5px solid var(--line); }
.myth > div { padding: 10px 12px; }
.myth-was { background: var(--paper-2); color: var(--ink-2); }
.myth-now { background: color-mix(in srgb, var(--gold) 16%, var(--card)); }
.myth-tag { display: block; font: 700 .8rem var(--cond); letter-spacing: .1em; color: var(--enamel); }
.myth-now .myth-tag { color: var(--blue); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .myth-now .myth-tag { color: #8FB5EA; } }
.sources { margin-top: 10px; font-size: .88rem; color: var(--ink-2); }
.sources summary { cursor: pointer; min-height: 36px; display: flex; align-items: center; font-weight: 700; }
.sources ol { padding-left: 1.3em; margin: 4px 0; }
.sources a { overflow-wrap: anywhere; }

/* games */
.game-panel { margin: 4px 0 28px; padding: 18px 16px; border-radius: var(--radius); background: var(--blue); color: #fff; box-shadow: var(--shadow); }
.game-panel .btn { border-color: #fff; }
.game-panel .btn:not(.btn-primary) { background: transparent; color: #fff; }
.game-panel .btn-primary { background: var(--enamel); border-color: var(--enamel); }
.game-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.game-badge { display: inline-block; background: var(--gold); color: #1c1b1a; font: 700 .9rem/1.6 var(--cond); letter-spacing: .08em; padding: 0 .6em; border-radius: 6px; }
.game-title { font-size: 1.3rem; font-weight: 900; }
.game-intro { opacity: .9; }
.game-done { font-weight: 900; color: #FFE38A; }
.game-stage { margin-top: 12px; }
.game-stage:empty { display: none; }
.game-q { font-weight: 700; }
.game-panel .note, .note { opacity: .85; font-size: .92rem; }
.game-panel .mcq-opt { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); color: #fff; }
.game-panel .mcq-letter { background: #fff; color: var(--blue); }
.game-panel .mcq-opt.is-right { background: rgba(76,192,127,.3); border-color: #7CE0A6; }
.game-panel .mcq-opt.is-wrong { background: rgba(240,122,95,.25); border-color: #F49A85; }
.game-panel .quiz-result.ok { color: #9AF0BD; } .game-panel .quiz-result.no { color: #FFB4A3; }
.big-answer { font: 700 1.8rem/1.2 var(--cond); margin: .4em 0; }

.guess { display: grid; gap: 10px; }
.guess-readout { display: flex; align-items: baseline; gap: 6px; justify-content: center; }
.guess-val { font: 700 3rem/1 var(--cond); }
.guess-unit { font-weight: 700; opacity: .8; }
.guess-range { width: 100%; accent-color: var(--enamel); height: 36px; }
.guess-scale { display: flex; justify-content: space-between; font: 600 .9rem var(--cond); opacity: .75; margin-top: -8px; }

.puzzle-frame { width: 100%; max-width: 360px; margin: 10px auto; padding: 8px; background: #111; border-radius: 12px; }
.rot { display: grid; gap: 2px; width: 100%; }
.rot-tile { border: 0; padding: 0; aspect-ratio: auto; min-height: 0; background-repeat: no-repeat; transition: transform .22s ease; border-radius: 2px; }
.rot-tile::after { content: ""; display: block; padding-top: 100%; }
.rot.solved { gap: 0; }
.rot.solved .rot-tile { border-radius: 0; }

.strips { display: flex; flex-direction: column; width: 100%; overflow: hidden; border-radius: 4px; }
.strip { flex: 1; display: block; position: relative; overflow: hidden; border: 0; padding: 0; background: #000; min-height: 0; }
.strip + .strip { border-top: 1px solid rgba(0,0,0,.6); }
.strips.solved .strip + .strip { border-top: 0; }
.strip-inner { position: absolute; left: 0; top: 0; bottom: 0; width: 200%; background-repeat: repeat-x; transition: transform .3s ease; }
button.strip:hover .strip-inner { filter: brightness(1.15); }

.strip-btn { width: 100%; display: flex; align-items: center; gap: 10px; padding: 6px; margin: 8px 0; border-radius: 12px; border: 2px solid var(--line); background: var(--card); min-height: 64px; }
.strip-btn.ok { border-color: var(--ok); }
.strip-window { position: relative; flex: 1; height: 48px; overflow: hidden; border-radius: 6px; background: #000; }
.strip-window .strip-inner { transform-origin: left center; }
.strip-label { flex: none; font: 700 1rem var(--cond); min-width: 70px; text-align: right; }

.candle-wrap { text-align: center; }
.candle { position: relative; display: inline-flex; flex-direction: column; align-items: center; gap: 4px; border: 0; background: none; padding: 12px 24px; min-height: 160px; }
.candle-body { width: 34px; height: 80px; border-radius: 6px 6px 4px 4px; background: linear-gradient(90deg, #EFE6D2, #FFF8E8, #E1D6BE); }
.candle-flame { width: 22px; height: 34px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; background: radial-gradient(circle at 50% 70%, #FFF6C7, #FFC94A 45%, #F07A1A 80%); opacity: 0; transform: scale(.4); transition: opacity .4s, transform .4s; }
.candle.lit .candle-flame { opacity: 1; transform: scale(1); animation: flicker 1.6s ease-in-out infinite alternate; }
.candle-text { font-weight: 700; margin-top: 4px; }
.candle-total { font-weight: 700; }
@keyframes flicker { 0% { transform: scale(1) rotate(-2deg); } 50% { transform: scale(1.06, .96) rotate(2deg); } 100% { transform: scale(.97, 1.05) rotate(-1deg); } }

.ss-dish { display: flex; flex-direction: column; align-items: center; padding: 18px 10px; border-radius: 12px; background: rgba(255,255,255,.08); margin: 8px 0 12px; }
.mode-play .ss-dish { background: var(--paper-2); }
.ss-cs { font: 700 1.9rem/1.1 var(--cond); text-align: center; }
.ss-zh { opacity: .85; }
.ss-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ss-btn { min-height: 64px; border-radius: 14px; border: 0; font-size: 1.2rem; font-weight: 900; }
.ss-sweet { background: #FFD9E2; color: #6B1430; }
.ss-salty { background: #DCE8F7; color: #0E2E55; }
.ss-btn:disabled { opacity: .55; }
.film-photo { margin: 0 0 10px; border-radius: 10px; overflow: hidden; aspect-ratio: 16 / 10; }
.film-photo img { width: 100%; height: 100%; object-fit: cover; }

/* finale */
.cert-wrap { max-width: 420px; margin: 0 auto; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.cert { width: 100%; height: auto; display: block; }
.cert-actions { display: flex; flex-wrap: wrap; gap: 8px; max-width: 420px; margin: 14px auto 0; }
.cert-actions .name-input { flex-basis: 100%; }
.foot { max-width: 760px; margin: 40px auto 0; padding: 20px 16px 40px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: .88rem; }
.foot p { margin: .3em 0; }

/* ═════════ PLAY (phones) ═════════ */
.mode-play { background: var(--paper); }
.play { min-height: 100dvh; display: flex; flex-direction: column; }
.play-top { position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 8px 16px; background: var(--paper); border-bottom: 1px solid var(--line); }
.play-top-right { display: flex; align-items: center; gap: 8px; }
.conn-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gold); }
.conn-dot.is-open { background: var(--ok); }
.conn-dot.is-reconnecting { background: var(--no); animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.play-body { flex: 1; padding: 16px 16px 110px; max-width: 560px; width: 100%; margin: 0 auto; }
.play-wait { text-align: center; padding: 40px 10px; font-weight: 700; font-size: 1.15rem; }
.tram { font-size: 3rem; animation: tram 2.4s ease-in-out infinite alternate; }
@keyframes tram { from { transform: translateX(-30px); } to { transform: translateX(30px); } }
.play-sub { color: var(--ink-2); font-weight: 400; font-size: 1rem; }
.play-card { display: grid; gap: 10px; }
.play-photo { margin: 0; border-radius: 12px; overflow: hidden; max-height: 38vh; }
.play-photo img { width: 100%; height: 100%; object-fit: cover; }
.play-title { font-size: 1.3rem; font-weight: 900; }
.play-stop { text-align: center; display: grid; justify-items: center; gap: 8px; padding-top: 30px; }
.emoji-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px;
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); background: var(--card); border-top: 1px solid var(--line); }
.emoji-btn { font-size: 1.7rem; min-height: 52px; border: 0; border-radius: 12px; background: var(--paper); }
.emoji-btn.pop { animation: pop .35s ease; }
@keyframes pop { 40% { transform: scale(1.35); } }
.join-card { max-width: 420px; margin: 0 auto; padding: 48px 16px; display: grid; gap: 14px; text-align: center; }
.join-plate .plate { font-size: 2.6rem; }
.join-title { font-size: 1.8rem; font-weight: 900; }
.join-sub { margin: 0; color: var(--ink-2); }
.join-msg { min-height: 1.5em; margin: 0; color: var(--no); font-weight: 700; }
.join-alt { font-size: .9rem; }
.race-status { font-weight: 900; font-size: 1.2rem; text-align: center; }
.mode-play .game-badge { justify-self: start; }

/* ═════════ PRESENT (big screen, night tram) ═════════ */
.mode-present {
  --paper: #101215; --paper-2: #1A1D22; --card: #1C2026; --ink: #F1EBDD; --ink-2: #B7AF9F; --line: #3A3F47; --ok: #4CC07F; --no: #F07A5F;
  color-scheme: dark; overflow: hidden; font-size: clamp(16px, 1.25vw, 26px);
}
.mode-present a { color: #8FB5EA; }
.pres { position: fixed; inset: 0; display: grid; grid-template-rows: auto 1fr auto; }
.p-top { display: flex; align-items: center; justify-content: space-between; gap: 1em; padding: .6em 1.2em; }
.p-brand { text-decoration: none; }
.p-dots { display: flex; gap: .6em; list-style: none; margin: 0; padding: 0; }
.p-dots li { width: 2em; height: 2em; border-radius: 50%; display: grid; place-items: center; border: 3px solid var(--enamel); font: 700 1em/1 var(--cond); color: var(--enamel); }
.p-dots li.is-here { background: var(--enamel); color: #fff; }
.p-live { display: flex; align-items: center; gap: .8em; }
.p-people { font-weight: 700; }
.p-room { display: flex; align-items: center; gap: .6em; padding: .3em .6em; border-radius: 12px; border: 2px solid var(--line); background: var(--card); }
.p-room.is-off { border-color: var(--no); }
.p-qr-mini { width: 3.6em; height: 3.6em; background: #fff; border-radius: 6px; padding: 2px; }
.p-qr-mini svg, .p-qr-big svg, .p-cover-qr svg { width: 100%; height: 100%; display: block; }
.p-room-code { display: grid; font: 700 1.6em/1 var(--cond); letter-spacing: .12em; text-align: left; }
.p-room-code small { font: 500 .45em var(--sans); letter-spacing: 0; color: var(--ink-2); }
.p-stage { position: relative; min-height: 0; padding: .5em 2em 1em; overflow: hidden; }
.p-ctl { display: flex; align-items: center; justify-content: center; gap: .5em; padding: .5em; opacity: .35; transition: opacity .2s; }
.p-ctl:hover, .p-ctl:focus-within { opacity: 1; }
.p-ctl button { min-width: 2.6em; min-height: 2.2em; border-radius: 10px; border: 1.5px solid var(--line); background: var(--card); }
.p-ctl .p-ctl-main { background: var(--enamel); border-color: var(--enamel); color: #fff; font-weight: 700; padding: 0 1.2em; }
.p-counter { font: 600 .9em var(--cond); color: var(--ink-2); margin-left: .6em; }

.p-cover { height: 100%; display: grid; grid-template-columns: 1fr 1.15fr; gap: 3em; align-items: center; position: relative; }
.p-cover-photo { height: 74vh; max-height: 78vh; border-radius: 18px; overflow: hidden; }
.p-cover-photo img { width: 100%; height: 100%; object-fit: cover; }
.p-cover .plate-big { font-size: 4.6em; }
.plate-big .plate-text { white-space: nowrap; overflow-wrap: normal; }
.p-cover-text { min-width: 0; }
.p-cover-sub { font-size: 1.6em; font-weight: 900; margin: .4em 0 .2em; }
.p-cover-lead { color: var(--ink-2); font-size: 1.1em; max-width: 32em; }
.p-cover-join { display: flex; gap: 1.2em; align-items: center; margin-top: 1em; }
.p-cover-qr { width: 9em; height: 9em; background: #fff; border-radius: 12px; padding: 4px; }
.p-big-code { font: 700 3.4em/1 var(--cond); letter-spacing: .14em; color: var(--gold); margin: .1em 0; }
.p-cover-join p { margin: 0; }
.mosaic-bottom { position: absolute; left: 0; right: 0; bottom: -1em; }

.p-stopslide, .p-gameintro, .p-end, .p-candle { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: .5em; }
.p-stopslide h2, .p-gameintro h2, .p-end h2, .p-candle h2 { font-size: 2.8em; font-weight: 900; }
.p-stop-blurb { font-size: 1.3em; color: var(--ink-2); max-width: 36em; margin: 0; }
.stop-sign-xl { width: 7em; height: 7em; border-radius: 22px; border-width: 5px; }
.stop-sign-xl .stop-no { font-size: 3.6em; }
.stop-sign-xl .stop-cs { font-size: 1em; max-width: 6em; }
.p-stop-thumbs { display: flex; gap: 1em; margin-top: 1.2em; }
.p-stop-thumbs figure { margin: 0; width: 9em; height: 12em; border-radius: 12px; overflow: hidden; }
.p-stop-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.game-badge-xl { font-size: 1.4em; }

.p-cardslide { height: 100%; display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 2.4em; align-items: stretch; }
.p-cardslide.is-wide { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
.p-photo { margin: 0; min-height: 0; display: flex; align-items: center; justify-content: center; }
.p-photo img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 14px; }
.p-side { overflow-y: auto; min-height: 0; padding-right: .5em; display: flex; flex-direction: column; justify-content: center; }
.p-side .card-meta .plate { font-size: 1.3em; }
.p-title { font-size: 2.2em; font-weight: 900; margin: .2em 0; }
.p-cap { color: var(--ink-2); font-size: 1.15em; margin: 0 0 .6em; }
.p-quiz .quiz-q { font-size: 1.15em; }
.p-quiz .mcq-opt, .p-film .mcq-opt, .p-sweet .mcq-opt { min-height: 2.6em; font-size: 1.1em; background: var(--paper-2); }
.p-tally { color: var(--ink-2); font: 600 1em var(--cond); letter-spacing: .05em; }
.p-detail { font-size: .98em; }
.p-detail p { margin: .5em 0; }
.p-src { font-size: .78em; color: var(--ink-2); }
.p-hint { color: var(--ink-2); }
.p-hint-code { color: var(--gold); font-family: var(--cond); letter-spacing: .1em; }

.p-guess, .p-sweet { height: 100%; display: flex; flex-direction: column; justify-content: center; max-width: 56em; margin: 0 auto; }
.p-hist { position: relative; display: flex; align-items: flex-end; gap: 4px; height: 10em; margin: 1em 0 .4em; border-bottom: 2px solid var(--line); }
.p-bin { flex: 1; background: var(--gold); border-radius: 4px 4px 0 0; min-height: 2px; transition: height .4s; }
.p-hist-answer { position: absolute; bottom: -2px; top: -1.4em; border-left: 3px solid var(--enamel); padding-left: .3em; font: 700 1.1em var(--cond); color: var(--enamel); }
.p-answer { font: 700 2.6em/1.1 var(--cond); color: var(--gold); margin: .3em 0 0; }
.p-note { color: var(--ink-2); }
.p-top3, .p-finishers, .p-leader { list-style: none; padding: 0; margin: .6em 0; display: grid; gap: .4em; }
.p-top3 li, .p-finishers li, .p-leader li { display: flex; align-items: center; gap: .8em; padding: .4em .8em; background: var(--card); border-radius: 10px; }
.p-top3 li span:last-child, .p-finishers li span, .p-leader-score { margin-left: auto; font: 700 1.1em var(--cond); color: var(--gold); }
.p-finishers b, .p-leader b { min-width: 1.6em; }
.p-empty { color: var(--ink-2); }
.p-sweet .ss-cs-xl { font-size: 4em; margin: .2em 0 0; text-align: center; }
.p-sweet .ss-zh { text-align: center; font-size: 1.4em; margin: 0 0 .8em; }
.p-sweet .mcq { grid-template-columns: 1fr 1fr; }

.p-race, .p-kafka { height: 100%; display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5em; align-items: center; }
.p-race h2, .p-kafka h2 { font-size: 2.4em; font-weight: 900; margin: .3em 0; }
.p-race-demo { max-width: 13em; margin: 1em 0 0; pointer-events: none; opacity: .85; }
.p-finishers { max-height: 70vh; overflow: hidden; align-content: start; }
.p-kafka-frame { max-width: none; height: 74vh; aspect-ratio: .5627; width: auto; margin: 0 auto; }
.p-kafka-frame .strips { height: 100%; }
.p-candle-flames { font-size: 6em; animation: flicker 1.6s ease-in-out infinite alternate; }
.p-candle .candle-total { font-size: 1.8em; }
.p-leader { width: min(40em, 90%); font-size: 1.3em; }
.p-leader-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.p-fx { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 40; }
.p-emoji { position: absolute; bottom: -1.5em; font-size: 3em; animation: rise 3s ease-out forwards; }
@keyframes rise { 0% { transform: translateY(0) scale(.6); opacity: 0; } 15% { opacity: 1; } 100% { transform: translateY(-85vh) scale(1.2); opacity: 0; } }
.p-board, .p-qr { position: fixed; inset: 0; z-index: 50; background: rgba(8,9,11,.86); display: grid; place-items: center; }
.p-board[hidden], .p-qr[hidden] { display: none; }
.p-board-card, .p-qr-card { background: var(--card); border-radius: 22px; padding: 1.6em 2.4em; text-align: center; min-width: 26em; }
.p-board-card h2 { font-size: 2.2em; }
.p-qr-big { width: min(60vh, 26em); height: min(60vh, 26em); background: #fff; border-radius: 16px; padding: 10px; margin: 0 auto; }
.p-qr-code { font: 700 4em/1 var(--cond); letter-spacing: .16em; color: var(--gold); margin: .3em 0 .1em; }
.p-qr-url { margin: 0; font-size: 1.2em; }
.p-qr-hint { color: var(--ink-2); }

@media (max-width: 900px) {
  .mode-present { overflow: auto; font-size: 15px; }
  .pres { position: static; min-height: 100dvh; }
  .p-top { flex-wrap: wrap; }
  .p-dots { order: 3; width: 100%; justify-content: center; }
  .p-stage { padding: .5em 16px 1em; overflow: visible; }
  .p-cover, .p-cardslide, .p-cardslide.is-wide, .p-race, .p-kafka { grid-template-columns: 1fr; gap: 1em; height: auto; }
  .p-cover-photo { max-height: 40vh; }
  .p-cover .plate-big { font-size: 4em; }
  .p-photo img { max-height: 55vh; }
  .p-kafka-frame { height: 60vh; }
  .p-stop-thumbs { flex-wrap: wrap; justify-content: center; }
  .p-stop-thumbs figure { width: 5em; height: 7em; }
  .p-board-card, .p-qr-card { min-width: 0; width: calc(100vw - 32px); padding: 1em; }
  .p-ctl { position: sticky; bottom: 0; background: var(--paper); opacity: 1; flex-wrap: wrap; }
}