:root {
  /* Layout: one airmail postcard dealt onto a cool sorting desk; the filters above it are the mail slots, Browse files every card into a numbered ledger, and the timed modes put the clocks above the card. */
  --desk: #E5E9F0;
  --desk-line: #D3DAE5;
  --paper: #FCFDFE;
  --ink: #17203A;
  --ink-2: #545E78;
  --rule: #D2D9E4;
  --air-red: #C2333B;
  --air-blue: #23428E;
  --on-color: #FFFFFF;
  --ok: #23744A;
  --miss: #B3333A;
  --ok-tint: #E2F1E8;
  --miss-tint: #F9E5E6;
  --postmark: rgba(36, 46, 78, 0.58);
  --stamp-paper: #FFFFFF;
  --chip: #F3F5F9;
  --shadow: 0 1px 2px rgba(18, 28, 58, 0.08), 0 14px 34px -14px rgba(18, 28, 58, 0.32);
  --display: "Young Serif", Georgia, "Times New Roman", serif;
  --body: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --desk: #0C1220; --desk-line: #1C2540; --paper: #182039; --ink: #E7EBF5; --ink-2: #A0AAC3;
    --rule: #2C3756; --air-red: #E0646B; --air-blue: #8DA6F0; --on-color: #0C1220;
    --ok: #5BC48B; --miss: #F07E84; --ok-tint: #133424; --miss-tint: #3B1A22;
    --postmark: rgba(196, 206, 230, 0.5); --stamp-paper: #E3E8F2;
    --chip: #131A2E; --shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 18px 40px -18px rgba(0, 0, 0, 0.8);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --desk: #0C1220; --desk-line: #1C2540; --paper: #182039; --ink: #E7EBF5; --ink-2: #A0AAC3;
  --rule: #2C3756; --air-red: #E0646B; --air-blue: #8DA6F0; --on-color: #0C1220;
  --ok: #5BC48B; --miss: #F07E84; --ok-tint: #133424; --miss-tint: #3B1A22;
  --postmark: rgba(196, 206, 230, 0.5); --stamp-paper: #E3E8F2;
  --chip: #131A2E; --shadow: 0 1px 2px rgba(0, 0, 0, 0.45), 0 18px 40px -18px rgba(0, 0, 0, 0.8);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
img { max-width: 100%; }
html { background: var(--desk); }
body {
  margin: 0;
  background: var(--desk);
  color: var(--ink);
  font: 400 1.0625rem/1.55 var(--body);
  padding-inline: 16px;
  -webkit-font-smoothing: antialiased;
}
button, input { font: inherit; color: inherit; }
:focus-visible { outline: 2.5px solid var(--air-blue); outline-offset: 2px; }
[tabindex="-1"]:focus { outline: none; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
code { font: 0.9em var(--mono); background: var(--chip); border: 1px solid var(--rule); border-radius: 4px; padding: 1px 5px; }
.ok { color: var(--ok); }
.miss { color: var(--miss); }
.sub { color: var(--ink-2); margin: 0; }
.small { font-size: 0.9rem; }

.topband {
  height: 6px;
  margin-inline: -16px;
  background: repeating-linear-gradient(135deg, var(--air-red) 0 12px, transparent 12px 18px, var(--air-blue) 18px 30px, transparent 30px 36px);
}
.wrap { max-width: 780px; margin: 0 auto; padding-block: 28px 48px; display: grid; gap: 24px; }
.view { display: grid; gap: 20px; min-width: 0; }
main { min-width: 0; }

/* Masthead */
.masthead { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: flex-end; justify-content: space-between; }
.masthead > div:first-child { min-width: 0; flex: 1 1 320px; }
h1 { font: 400 clamp(2.1rem, 6vw, 3.1rem)/1.02 var(--display); letter-spacing: -0.01em; margin: 0; text-wrap: balance; }
.lede { color: var(--ink-2); margin: 10px 0 0; max-width: 56ch; }
.modes { display: inline-flex; flex-wrap: wrap; background: var(--chip); border: 1px solid var(--rule); border-radius: 9px; padding: 3px; gap: 2px; }
.modes button {
  border: 0; background: transparent; color: var(--ink-2); cursor: pointer;
  font-weight: 700; font-size: 0.95rem; padding: 0.55rem 0.95rem; border-radius: 6px; min-height: 40px;
}
.modes button[aria-pressed="true"] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 2px rgba(10, 20, 50, 0.16); }

/* Filters */
.filters { display: grid; gap: 12px; }
.frow { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; align-items: start; }
.flabel { font: 500 0.72rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-2); padding-top: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  border: 1px solid var(--rule); background: var(--chip); color: var(--ink);
  font-weight: 700; font-size: 0.9rem; line-height: 1; padding: 0.5rem 0.75rem; border-radius: 999px; min-height: 38px;
}
.chip .dot { width: 9px; height: 9px; border-radius: 2px; background: var(--c); flex: none; }
.chip .n { font: 500 0.74rem/1 var(--mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.chip[aria-pressed="true"] { background: var(--c); border-color: transparent; color: #FFFFFF; }
.chip[aria-pressed="true"] .dot { background: #FFFFFF; }
.chip[aria-pressed="true"] .n { color: inherit; opacity: 0.82; }
.chip.plain[aria-pressed="true"] { background: var(--ink); color: var(--desk); }
.chip.plain[aria-pressed="true"] .n { color: var(--desk); }
.chip:hover:not([aria-pressed="true"]) { border-color: var(--ink-2); }
.chip .short { display: none; }

/* Scorebar and tallies */
.scorebar { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: flex-end; }
.tally { display: flex; align-items: baseline; gap: 7px; font: 500 0.74rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-2); }
.tally b { font: 600 1.45rem/1 var(--mono); letter-spacing: 0; color: var(--ink); font-variant-numeric: tabular-nums; }
.tally.ok b { color: var(--ok); }
.tally.miss b { color: var(--miss); }
.progress { margin-left: auto; display: grid; gap: 7px; min-width: 160px; flex: 0 1 220px; }
.progress span { font: 500 0.74rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.progress span b { color: var(--ink); font-weight: 600; }
.bar { height: 5px; background: var(--desk-line); border-radius: 3px; overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--air-blue); transition: width 0.35s ease; }

/* The postcard */
.stage { perspective: 1800px; }
.flip { display: grid; position: relative; transform-style: preserve-3d; transition: transform 0.62s cubic-bezier(0.2, 0.75, 0.25, 1); }
.flip.is-flipped { transform: rotateY(180deg); }
.flip.no-anim { transition: none; }
.flip.dealt { animation: deal 0.42s cubic-bezier(0.2, 0.75, 0.25, 1); }
@keyframes deal { from { transform: translateY(18px) rotate(-0.8deg); opacity: 0.35; } to { transform: none; opacity: 1; } }
.face { grid-area: 1 / 1; display: flex; min-width: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.face.back { transform: rotateY(180deg); }
.airmail {
  flex: 1; min-width: 0; display: flex; padding: 9px; border-radius: 8px; box-shadow: var(--shadow);
  background: repeating-linear-gradient(135deg, var(--air-red) 0 14px, var(--paper) 14px 21px, var(--air-blue) 21px 35px, var(--paper) 35px 42px);
}
.paper {
  flex: 1; min-width: 0; background: var(--paper); border-radius: 3px;
  padding: clamp(18px, 4.5vw, 34px); display: flex; flex-direction: column; gap: 14px;
}
.face .paper { min-height: 390px; }
.front .paper { cursor: pointer; }

.card-top { position: relative; height: 104px; flex: none; }
.stamp {
  position: absolute; top: -4px; right: -4px; width: 80px; height: 96px; padding: 5px; z-index: 0;
  background: radial-gradient(circle, transparent 2.7px, var(--stamp-paper) 3.1px) -4px -4px / 8px 8px;
  filter: drop-shadow(0 1px 1.2px rgba(10, 18, 40, 0.3));
  transform: rotate(2.5deg);
}
.stamp-in {
  height: 100%; background: var(--stamp); color: #FFFFFF; text-align: center;
  display: grid; grid-template-rows: auto 1fr auto; align-items: center; padding: 7px 2px 6px;
  box-shadow: inset 0 0 0 3px var(--stamp), inset 0 0 0 4px rgba(255, 255, 255, 0.55);
}
.stamp-cat { font: 600 0.54rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.stamp-code { font: 400 1.7rem/1 var(--display); }
.stamp-val { font: 500 0.54rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }
.postmark { position: absolute; top: 4px; right: 18px; width: 232px; height: 94px; color: var(--postmark); pointer-events: none; z-index: 1; }
.postmark text { font-family: var(--mono); font-weight: 600; fill: currentColor; }

.eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font: 500 0.74rem/1.35 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); }
.eyebrow b { color: var(--ink); font-weight: 600; }
.q { font: 400 clamp(1.4rem, 3.6vw, 2.05rem)/1.25 var(--display); margin: 0; text-wrap: balance; overflow-wrap: anywhere; }

.actions { margin-top: auto; padding-top: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; cursor: pointer;
  border: 1.5px solid transparent; border-radius: 7px; min-height: 46px; padding: 0.7rem 1.15rem;
  font-weight: 700; font-size: 1rem; line-height: 1;
}
.btn kbd { font: 600 0.7rem/1 var(--mono); padding: 3px 5px; border-radius: 3px; border: 1px solid currentColor; opacity: 0.7; }
.btn.primary { background: var(--air-blue); color: var(--on-color); }
.btn.ok { background: var(--ok); color: var(--on-color); }
.btn.miss { background: var(--miss); color: var(--on-color); }
.btn.ghost { background: transparent; color: var(--ink-2); border-color: var(--rule); }
.btn.ghost:hover:not(:disabled) { color: var(--ink); border-color: var(--ink-2); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.primary:hover:not(:disabled), .btn.ok:hover:not(:disabled), .btn.miss:hover:not(:disabled) { filter: brightness(1.08); }
.btn.small { min-height: 38px; padding: 0.5rem 0.85rem; font-size: 0.92rem; }

.back-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.back-label { font: 600 0.74rem/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--air-red); }
.back-no { font: 500 0.72rem/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.q-echo { margin: 0; color: var(--ink-2); font-size: 0.95rem; }
.answer { margin: 0; font: 400 clamp(1.65rem, 4.6vw, 2.5rem)/1.15 var(--display); text-wrap: balance; overflow-wrap: anywhere; }
.detail {
  margin: 0; max-width: 62ch; font-size: 1.02rem; line-height: 28px;
  background-image: linear-gradient(to bottom, transparent 27px, var(--rule) 27px);
  background-size: 100% 28px;
}

/* Done and empty panels */
.panel h2 { font: 400 clamp(1.6rem, 4.4vw, 2.2rem)/1.15 var(--display); margin: 0; text-wrap: balance; }
.panel p { margin: 0; max-width: 60ch; }
.breakdown { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 10px; }
.breakdown li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 12px; align-items: center; }
.breakdown .name { display: flex; align-items: center; gap: 8px; font-weight: 700; min-width: 0; }
.breakdown .score { font: 500 0.85rem/1 var(--mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.breakdown .bar { grid-column: 1 / -1; }
.breakdown .bar i { background: var(--ok); }

.mini { display: inline-block; background: var(--stamp); color: #FFFFFF; font: 600 0.68rem/1 var(--mono); letter-spacing: 0.06em; padding: 4px 6px 3px; border-radius: 2px; }

/* Tools under the card */
.tools { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; justify-content: space-between; color: var(--ink-2); font-size: 0.95rem; }
.tools .left, .tools .right { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.check { display: inline-flex; gap: 9px; align-items: center; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--air-blue); margin: 0; }
.allTime { font: 500 0.78rem/1.4 var(--mono); color: var(--ink-2); letter-spacing: 0.04em; margin: 0; }
.confirm { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; color: var(--ink); }
.keys { font: 500 0.78rem/1.5 var(--mono); color: var(--ink-2); margin: 0; }
.keys kbd { font: inherit; border: 1px solid var(--rule); border-radius: 3px; padding: 1px 5px; background: var(--chip); color: var(--ink); }
@media (hover: none) { .keys, .btn kbd { display: none; } }

/* Browse */
.browse-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.search, .field {
  min-width: 0; font: 1rem var(--body); padding: 0.72rem 0.95rem; min-height: 46px;
  border: 1px solid var(--rule); border-radius: 8px; background: var(--paper); color: var(--ink);
}
.search { flex: 1 1 240px; }
.search::placeholder, .field::placeholder { color: var(--ink-2); }
.count { font: 500 0.78rem/1 var(--mono); color: var(--ink-2); letter-spacing: 0.06em; text-transform: uppercase; }
.ledger { list-style: none; margin: 0; padding: 0; background: var(--paper); border-radius: 3px; flex: 1; min-width: 0; }
.row { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 18px; padding: 18px clamp(14px, 3vw, 26px); border-top: 1px solid var(--rule); }
.row:first-child { border-top: 0; }
.row-no { font: 500 0.76rem/1.6 var(--mono); color: var(--ink-2); font-variant-numeric: tabular-nums; padding-top: 2px; }
.row-body { min-width: 0; display: grid; gap: 9px; justify-items: start; }
.row-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: center; font: 500 0.7rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-2); }
.mark { font-weight: 600; }
.mark.right { color: var(--ok); }
.mark.wrong { color: var(--miss); }
.row-q { margin: 0; font: 400 1.18rem/1.38 var(--display); overflow-wrap: anywhere; }
.row-a { border-left: 3px solid var(--air-red); padding: 2px 0 2px 14px; display: grid; gap: 5px; }
.row-a .ans { margin: 0; font: 400 1.14rem/1.3 var(--display); }
.row-a .det { margin: 0; color: var(--ink-2); font-size: 0.97rem; max-width: 62ch; }
.reveal { min-height: 36px; padding: 0.45rem 0.8rem; font-size: 0.9rem; }
.none { padding: 28px clamp(14px, 3vw, 26px); color: var(--ink-2); margin: 0; }

/* Forms */
.name-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.name-row .flabel { flex-basis: 100%; padding-top: 0; }
.name-row .field { flex: 1 1 220px; }
.form-error { margin: 0; color: var(--miss); font-weight: 700; }

/* Multiple choice */
.mc-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mc-opt {
  display: flex; align-items: center; gap: 12px; text-align: left; cursor: pointer; min-width: 0;
  padding: 0.8rem 1rem; min-height: 58px; border: 1.5px solid var(--rule); border-radius: 8px;
  background: var(--chip); color: var(--ink); font: 700 1.02rem/1.3 var(--body);
  transition: border-color 0.12s, background-color 0.12s, opacity 0.12s;
}
.mc-opt:hover:not(:disabled) { border-color: var(--air-blue); }
.mc-opt:disabled { cursor: default; }
.mc-key { flex: none; display: grid; place-items: center; width: 26px; height: 26px; border: 1px solid currentColor; border-radius: 4px; font: 600 0.78rem/1 var(--mono); color: var(--ink-2); }
.mc-text { min-width: 0; overflow-wrap: anywhere; }
.mc-opt.is-picked { border-color: var(--air-blue); }
.mc-opt.is-right { border-color: var(--ok); background: var(--ok-tint); }
.mc-opt.is-right .mc-key { color: var(--ok); }
.mc-opt.is-wrong { border-color: var(--miss); background: var(--miss-tint); }
.mc-opt.is-wrong .mc-key { color: var(--miss); }
.mc-opt.is-dim { opacity: 0.5; }
.feedback { margin: 0; min-height: 1.6em; font-weight: 700; }
.feedback.ok { color: var(--ok); }
.feedback.miss { color: var(--miss); }

/* 30-second round */
.solo-card { min-height: 380px; }
.round-top { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: flex-end; justify-content: space-between; }
.clock-box { display: grid; gap: 4px; min-width: 0; }
.clock-label { font: 500 0.72rem/1.2 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); overflow-wrap: anywhere; }
.clock-big { font: 600 clamp(2.2rem, 7vw, 3rem)/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; color: var(--ink); }
.clock-big.low { color: var(--miss); }
.tallies { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 0; }
.summary-grid div { border: 1px solid var(--rule); border-radius: 6px; padding: 10px 12px; display: grid; gap: 4px; min-width: 0; }
.summary-grid dt { font: 500 0.7rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-2); }
.summary-grid dd { margin: 0; font: 600 1.6rem/1.1 var(--mono); font-variant-numeric: tabular-nums; }
.rating-line { margin: 0; font-size: 1.05rem; }
.rating-line b { font-family: var(--mono); font-size: 1.15rem; }
.up { color: var(--ok); }
.down { color: var(--miss); }
.flat { color: var(--ink-2); }

/* Leaderboards and scoreboards */
.boards, .scoreboard { display: grid; gap: 12px; min-width: 0; }
.board-head { display: grid; gap: 2px; margin-top: 6px; }
.board-title { font: 400 1.5rem/1.2 var(--display); margin: 0; }
.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; }
.ledger-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.ledger-table th { font: 500 0.68rem/1.25 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-2); text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.ledger-table td { padding: 9px 12px; border-top: 1px solid var(--rule); white-space: nowrap; }
.ledger-table tbody tr:first-child td { border-top: 0; }
.ledger-table .num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ledger-table td.name, .nm { font-weight: 700; }
.ledger-table td.when { color: var(--ink-2); font-size: 0.88rem; }
.ledger-table td.rating { font-weight: 600; }
.ledger-table tr.is-new td { background: var(--ok-tint); }
.ledger-table .empty { text-align: center; color: var(--ink-2); padding: 18px; white-space: normal; }
.th-note { text-transform: none; letter-spacing: 0; opacity: 0.8; }
#attemptsMore { justify-self: start; }

/* Challenge */
.ch-banner { background: var(--miss-tint); border: 1px solid var(--miss); border-radius: 8px; padding: 10px 14px; display: grid; gap: 4px; }
.ch-banner p { margin: 0; }
.home-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.home-form { display: grid; gap: 8px; align-content: start; padding: 16px; border: 1px solid var(--rule); border-radius: 8px; min-width: 0; }
.home-form h3 { margin: 0 0 4px; font: 400 1.25rem/1.2 var(--display); }
.home-form .flabel { padding-top: 4px; }
.home-form .btn { justify-self: start; margin-top: 4px; }
.code-field { font-family: var(--mono); letter-spacing: 0.2em; text-transform: uppercase; }

.invite { display: flex; flex-wrap: wrap; gap: 16px 22px; align-items: center; }
.room-stamp {
  flex: none; width: 120px; height: 128px; padding: 5px; display: grid; align-content: center; justify-items: center; gap: 6px; color: #FFFFFF;
  background: linear-gradient(#B2333A, #B2333A) content-box, radial-gradient(circle, transparent 2.7px, var(--stamp-paper) 3.1px) -4px -4px / 8px 8px;
  filter: drop-shadow(0 1px 1.2px rgba(10, 18, 40, 0.3));
  transform: rotate(-2deg);
}
.room-label { font: 600 0.62rem/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; }
.room-code { font: 400 2rem/1 var(--display); letter-spacing: 0.05em; }
.invite-text { flex: 1 1 260px; min-width: 0; display: grid; gap: 8px; }
.copy-row { display: flex; flex-wrap: wrap; gap: 8px; }
.copy-row .field { flex: 1 1 220px; font-family: var(--mono); font-size: 0.88rem; }

.seats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.seat { border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; display: grid; gap: 4px; align-content: start; min-width: 0; }
.seat.empty { border-style: dashed; }
.seat.away { opacity: 0.75; }
.seat-role { font: 500 0.7rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-2); }
.seat-name { font: 400 1.3rem/1.2 var(--display); overflow-wrap: anywhere; }
.seat.empty .seat-name { font: 400 1rem/1.4 var(--body); color: var(--ink-2); }
.seat-state { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; color: var(--ink-2); }
.dot-state { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-state.on { background: var(--ok); }
.dot-state.off { background: var(--miss); }
.seat-tag { font-size: 0.9rem; font-weight: 700; }

.length { display: grid; gap: 8px; }
.length .flabel { padding-top: 0; }
.length-row { display: flex; align-items: center; gap: 14px; }
.length-row input[type="range"] { flex: 1; min-width: 0; height: 28px; accent-color: var(--air-blue); }
.length-row input[type="range"]:disabled { opacity: 0.7; }
.length-row output { font: 600 1.4rem/1 var(--mono); font-variant-numeric: tabular-nums; min-width: 3.2em; text-align: right; }

.result { display: grid; gap: 10px; padding-bottom: 14px; border-bottom: 1px solid var(--rule); }
.result-scores { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.result-player { border: 1px solid var(--rule); border-radius: 8px; padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; min-width: 0; }
.result-player.won { border-color: var(--ok); background: var(--ok-tint); }
.result-player .who { flex-basis: 100%; font-weight: 700; overflow-wrap: anywhere; }
.result-player b { font: 600 1.3rem/1 var(--mono); }
.wins-row { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.wins { display: flex; align-items: baseline; gap: 7px; }
.wins .who { font-weight: 700; }
.wins b { font: 600 1.4rem/1 var(--mono); }

.duel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.duel-clock { position: relative; min-width: 0; background: var(--paper); border: 1.5px solid var(--rule); border-radius: 10px; padding: 12px 14px; display: grid; gap: 6px; box-shadow: var(--shadow); }
#chClockMe { border-color: var(--air-blue); }
.duel-clock .who { font: 500 0.74rem/1.2 var(--mono); text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 3.2em; }
.duel-clock .who em { font-style: normal; color: var(--air-blue); }
.duel-clock .clock-big { font-size: clamp(2rem, 8vw, 3.2rem); }
.duel-clock.low .clock-big { color: var(--miss); }
.duel-clock.done .clock-big { color: var(--ink-2); }
.duel-score { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 0.95rem; color: var(--ink-2); }
.duel-score b { font: 600 1.15rem/1 var(--mono); }
.duel-score .ok b { color: var(--ok); }
.duel-score .miss b { color: var(--miss); }
.pen { position: absolute; top: 10px; right: 12px; font: 700 1.25rem/1 var(--mono); color: var(--miss); opacity: 0; pointer-events: none; }
.pen.show { animation: pen 1.2s ease-out; }
@keyframes pen { 0% { opacity: 0; transform: translateY(6px) scale(0.9); } 12% { opacity: 1; transform: none; } 70% { opacity: 1; } 100% { opacity: 0; transform: translateY(-8px); } }
.duel-clock.hit { animation: hit 0.6s ease-out; }
@keyframes hit { 0% { background: var(--miss-tint); } 100% { background: var(--paper); } }

.game-card { min-height: 360px; }
.countdown { display: grid; justify-items: center; align-content: center; gap: 12px; min-height: 290px; text-align: center; }
.count-num { font: 400 clamp(5rem, 22vw, 9rem)/1 var(--display); color: var(--air-red); font-variant-numeric: tabular-nums; }
.waiting { display: grid; gap: 12px; }
.wait-clock { display: grid; gap: 4px; justify-items: start; padding: 14px 16px; border: 1px dashed var(--rule); border-radius: 8px; }

.foot { font-size: 0.88rem; color: var(--ink-2); border-top: 1px solid var(--desk-line); padding-top: 16px; margin: 0; display: grid; gap: 4px; }
.foot p { margin: 0; }
.foot a { color: inherit; }
.full-link { display: inline-block; margin-top: 10px; font-weight: 700; color: var(--air-blue); }

/* Options shown on cards for questions added each week */
.card-options { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 14px; }
.card-options li { display: flex; align-items: center; gap: 8px; min-width: 0; overflow-wrap: anywhere; font-weight: 700; }
.card-options.compact { font-size: 0.95rem; }
.card-options.compact li { font-weight: 400; }
@media (max-width: 560px) { .card-options { grid-template-columns: minmax(0, 1fr); } }

/* Name + PIN dialog */
.pin-overlay {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px;
  background: color-mix(in srgb, var(--desk) 82%, transparent);
}
.pin-card {
  width: min(420px, 100%); display: grid; gap: 10px; padding: clamp(18px, 4vw, 28px);
  background: var(--paper); border-radius: 8px; box-shadow: var(--shadow);
  border-top: 6px solid transparent;
  border-image: repeating-linear-gradient(135deg, var(--air-red) 0 12px, var(--paper) 12px 18px, var(--air-blue) 18px 30px, var(--paper) 30px 36px) 6;
}
.pin-card .q { font-size: clamp(1.3rem, 4vw, 1.6rem); }
.pin-card .flabel { padding-top: 4px; }
.pin-field { font-family: var(--mono); font-size: 1.4rem; letter-spacing: 0.5em; width: 9em; }
.pin-card .actions { margin-top: 4px; }

@media (max-width: 560px) {
  .frow { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .flabel { padding-top: 0; }
  .chip .long { display: none; }
  .chip .short { display: inline; }
  .modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .progress { margin-left: 0; flex-basis: 100%; }
  .card-top { height: 92px; }
  .postmark { width: 200px; height: 82px; right: 12px; }
  .stamp { width: 72px; height: 88px; }
  .stamp-code { font-size: 1.45rem; }
  .face .paper { min-height: 360px; }
  .row { grid-template-columns: minmax(0, 1fr); }
  .mc-options { grid-template-columns: minmax(0, 1fr); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-grid, .seats, .result-scores { grid-template-columns: minmax(0, 1fr); }
  .duel { gap: 8px; }
  .duel-clock { padding: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .flip { transition: none; }
  .flip.dealt { animation: none; }
  .bar i { transition: none; }
  .mc-opt { transition: none; }
  .pen.show { animation: pen-still 1.2s steps(1, end); }
  .duel-clock.hit { animation: none; }
}
@keyframes pen-still { 0% { opacity: 1; } 100% { opacity: 0; } }

/* Report a problem */
.report-link {
  justify-self: start; align-self: start; border: 0; background: none; padding: 4px 0; cursor: pointer;
  font: 500 0.8rem/1.2 var(--mono); letter-spacing: 0.04em; color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px;
}
.report-link:hover:not(:disabled) { color: var(--miss); }
.report-link:disabled { cursor: default; text-decoration: none; opacity: 0.8; }
.report-card { width: min(480px, 100%); }
.report-q { border-left: 3px solid var(--rule); padding-left: 12px; display: grid; gap: 4px; }
.report-q p { margin: 0; }
.report-reasons { border: 0; margin: 0; padding: 0; display: grid; gap: 8px; }
.report-reasons label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; line-height: 1.35; }
.report-reasons input { margin-top: 3px; accent-color: var(--air-blue); }
.report-card textarea.field { resize: vertical; min-height: 64px; font: inherit; }
/* Dialogs taller than a phone screen scroll, and their top is never cut off. */
.pin-overlay { display: flex; overflow-y: auto; }
.pin-overlay > .pin-card { margin: auto; }

/* Review of the questions in a round or game */
.review { border-top: 1px solid var(--rule); padding-top: 12px; }
.review summary { cursor: pointer; font-weight: 700; }
.review ol { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.review li { display: grid; gap: 3px; padding-bottom: 12px; border-bottom: 1px dashed var(--rule); }
.review li:last-child { border-bottom: 0; padding-bottom: 0; }
.review .rq { margin: 0; }
.review .ra { margin: 0; font-size: 0.92rem; color: var(--ink-2); }
.review .ra b.ok { color: var(--ok); }
.review .ra b.miss { color: var(--miss); }
#chReview:empty { display: none; }
#chReview .review { border-top: 0; padding-top: 0; padding-bottom: 14px; border-bottom: 1px solid var(--rule); }

/* Topic choice (Challenge lobby and 30-second round) */
.topic-row { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.topic-row select.field { flex: 1 1 220px; min-width: 0; }
.check-inline { display: inline-flex; gap: 8px; align-items: center; font-weight: 700; cursor: pointer; }
.check-inline input { width: 1.1rem; height: 1.1rem; accent-color: var(--air-blue); margin: 0; }
.check-inline:has(input:disabled) { opacity: 0.55; cursor: default; }
.topic-tag { display: block; font: 500 0.72rem/1.3 var(--mono); color: var(--ink-2); letter-spacing: 0.03em; font-weight: 400; }
.solo-card .topic-pick, .lobby-card .topic-pick { display: grid; gap: 6px; }

/* Question of the day */
.qotd-card { display: grid; gap: 12px; }
.qotd-q { margin: 0; font-size: clamp(1.15rem, 3.4vw, 1.4rem); }
.qotd-card .feedback { margin: 0; min-height: 0; }
.qotd-card .feedback:empty { display: none; }
.qotd-card .sub.small { margin: 0; }

/* Sound button and small animations */
.head-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.fx-pop { animation: fx-pop 0.25s ease-out; }
@keyframes fx-pop { 0% { transform: scale(1); } 40% { transform: scale(1.25); } 100% { transform: scale(1); } }
.mc-opt.is-right { animation: fx-good 0.25s ease-out; }
.mc-opt.is-wrong { animation: fx-shake 0.25s ease-out; }
@keyframes fx-good { 0% { transform: scale(1); } 50% { transform: scale(1.03); } 100% { transform: scale(1); } }
@keyframes fx-shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
@media (prefers-reduced-motion: reduce) {
  .fx-pop, .mc-opt.is-right, .mc-opt.is-wrong { animation: none; }
}

/* Study (personal flash cards) */
.study-card { display: grid; gap: 12px; }
.study-warn { margin: 0; border-left: 4px solid var(--air-red); background: var(--chip); padding: 10px 12px; border-radius: 4px; }
.study-notice { margin: 0 0 4px; font-weight: 700; color: var(--ok); }
.study-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.file-btn { cursor: pointer; }
.deck-list, .edit-cards, .shared-sample { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.deck-row, .edit-card { background: var(--paper); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; display: grid; gap: 8px; min-width: 0; }
.deck-name { overflow-wrap: anywhere; }
.deck-extra:empty { display: none; }
.deck-extra .copy-row { display: flex; flex-wrap: wrap; gap: 8px; }
.deck-extra .copy-row .field { flex: 1 1 220px; min-width: 0; font-family: var(--mono); font-size: 0.8rem; }
.edit-card textarea { resize: vertical; font: inherit; }
.study-face { border: 1px solid var(--rule); border-radius: 8px; padding: 16px; display: grid; gap: 6px; min-height: 9em; align-content: start; }
.study-face:focus { outline: 3px solid var(--air-blue); outline-offset: 2px; }
.study-text { margin: 0; font-size: clamp(1.1rem, 3.4vw, 1.35rem); white-space: pre-wrap; overflow-wrap: anywhere; }
.study-back { color: var(--ok); animation: fx-fade 0.2s ease-out; }
.shared-sample li { border-bottom: 1px dashed var(--rule); padding-bottom: 6px; overflow-wrap: anywhere; white-space: pre-wrap; }
@keyframes fx-fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .study-back { animation: none; } }