:root {
  --ultra: #2230c8;
  --deep: #161f96;
  --hurry: #a3146b;
  --marigold: #ffc22e;
  --rose: #ff7fa8;
  --mint: #6fe3c1;
  --chalk: #fbf8ff;
  --ink: #0d1450;
  --mist: #c9cdf7;
  --display: 'Big Shoulders Display', 'Arial Narrow', Impact, sans-serif;
  --body: 'Atkinson Hyperlegible', system-ui, sans-serif;
  --gutter: clamp(16px, 4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--ultra);
  color: var(--chalk);
  font: 400 1.0625rem/1.5 var(--body);
}
body.in-question { background: var(--deep); }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-underline-offset: 3px; }
button, input { font: inherit; }
:focus-visible { outline: 3px solid var(--marigold); outline-offset: 2px; }
[hidden] { display: none !important; }

/* The whole screen is the timer during a question. */
.drain {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: var(--ultra);
  transform-origin: left;
  transform: scaleX(1);
  will-change: transform;
}
body.hurry .drain { background: var(--hurry); }

.top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px var(--gutter);
}
.brand {
  font: 900 1.5rem/1 var(--display);
  letter-spacing: 0.01em;
  text-decoration: none;
}
.top nav { display: flex; align-items: center; gap: 16px; font-size: 0.95rem; }
.linkish {
  background: none;
  border: 0;
  padding: 4px 0;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

main { position: relative; z-index: 1; padding: 0 var(--gutter) 64px; }

/* Buttons are chunky, like something you press on a stage. */
.btn {
  display: inline-block;
  padding: 14px 26px 12px;
  border: 0;
  border-radius: 12px;
  background: var(--marigold);
  color: var(--ink);
  font: 700 1.1rem/1.2 var(--body);
  text-decoration: none;
  box-shadow: 0 5px 0 #c98f00;
  cursor: pointer;
  transition: transform 80ms, box-shadow 80ms;
}
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 #c98f00; }
.btn[disabled] { opacity: 0.6; cursor: default; }
.btn.plain { background: var(--chalk); box-shadow: 0 5px 0 var(--mist); }

/* Home */
.hero { padding: clamp(28px, 7vh, 80px) 0 clamp(40px, 8vh, 96px); }
.hero h1 {
  max-width: 16ch;
  font: 900 clamp(3.2rem, 11vw, 8rem)/0.92 var(--display);
  letter-spacing: -0.005em;
}
.hero .lede { max-width: 56ch; margin-top: 16px; font-size: 1.2rem; }
.when { margin-top: 28px; font-size: 1.15rem; font-weight: 700; color: var(--marigold); }
.clock { display: flex; flex-wrap: wrap; gap: clamp(14px, 3vw, 40px); margin: 8px 0 32px; }
.clock div { min-width: 2ch; }
.clock b {
  display: block;
  font: 900 clamp(4.5rem, 17vw, 13rem)/0.95 var(--display);
  font-variant-numeric: tabular-nums;
}
.clock span { font-size: 1rem; color: var(--mist); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.note { color: var(--mist); }

.listing { max-width: 880px; margin-top: 56px; }
.listing h2 { font: 900 2.25rem/1.1 var(--display); margin-bottom: 8px; }
.row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 2px solid rgb(255 255 255 / 0.22);
  text-decoration: none;
}
.row:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.row strong { font-size: 1.2rem; }
.row span { color: var(--mist); text-align: right; }

/* Quiz room */
.room { max-width: 1120px; margin: 0 auto; }
.room.lobby { padding-top: clamp(16px, 5vh, 56px); }
.room h1.title { font: 900 clamp(2.6rem, 8vw, 5.5rem)/0.95 var(--display); max-width: 20ch; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 28px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--mist); }

.status-bar { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; padding-top: 8px; }
.status-bar .count { font-size: 1.05rem; }
.seconds {
  font: 900 clamp(4.5rem, 14vw, 9rem)/0.8 var(--display);
  font-variant-numeric: tabular-nums;
}
.question-text {
  max-width: 34ch;
  margin: clamp(20px, 5vh, 48px) 0 clamp(20px, 4vh, 36px);
  font: 700 clamp(2.1rem, 5.5vw, 3.75rem)/1.05 var(--display);
}
.options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 76px;
  padding: 12px 18px;
  overflow: hidden;
  border: 0;
  border-radius: 14px;
  background: var(--chalk);
  color: var(--ink);
  font: 700 1.2rem/1.25 var(--body);
  text-align: left;
  box-shadow: 0 6px 0 var(--mist);
  cursor: pointer;
  transition: transform 80ms, box-shadow 80ms;
}
.option:not([disabled]):hover { background: #fff; }
.option:not([disabled]):active { transform: translateY(5px); box-shadow: 0 1px 0 var(--mist); }
.option[disabled] { cursor: default; }
.option .key {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  font: 900 1.25rem/1 var(--display);
}
.option .label { position: relative; flex: 1; min-width: 0; overflow-wrap: anywhere; }
.option .share { position: relative; font: 900 1.4rem/1 var(--display); font-variant-numeric: tabular-nums; }
.option .bar { position: absolute; inset: 0 auto 0 0; background: rgb(13 20 80 / 0.1); }
.option.dim { opacity: 0.55; }
.option.chosen { background: var(--marigold); box-shadow: 0 6px 0 #c98f00; opacity: 1; }
.option.right { background: var(--mint); box-shadow: 0 6px 0 #33a886; opacity: 1; }
.option.wrong { background: var(--rose); box-shadow: 0 6px 0 #d14e7c; opacity: 1; }

.feedback { min-height: 1.6em; margin-top: 22px; font-size: 1.15rem; font-weight: 700; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: clamp(24px, 4vw, 56px); align-items: start; }
.split .question-text { font-size: clamp(1.8rem, 4vw, 2.75rem); margin-top: 20px; }
.split .options { grid-template-columns: 1fr; gap: 12px; }
.split .option { min-height: 58px; }
.verdict { font: 900 clamp(2.6rem, 7vw, 4.5rem)/1 var(--display); }
.next-up { color: var(--mist); margin-top: 18px; }

.board { background: var(--ink); border-radius: 16px; padding: 18px 20px; }
.board h2 { font: 900 1.75rem/1.1 var(--display); margin-bottom: 8px; }
.board ol { margin: 0; padding: 0; list-style: none; }
.board li {
  display: grid;
  grid-template-columns: 2.4ch minmax(0, 1fr) auto;
  gap: 10px;
  padding: 7px 0;
  border-top: 1px solid rgb(255 255 255 / 0.14);
  font-variant-numeric: tabular-nums;
}
.board li .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board li.you { color: var(--marigold); font-weight: 700; }
.board .empty { color: var(--mist); }
.you-line { margin-top: 12px; color: var(--marigold); font-weight: 700; }

/* Results */
.results h1.title { margin-bottom: 8px; }
.winners { display: grid; gap: 12px; margin: 32px 0 40px; padding: 0; list-style: none; max-width: 760px; }
.winners li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 12px 20px;
  border-radius: 14px;
  background: var(--deep);
}
.winners li:first-child { background: var(--marigold); color: var(--ink); padding-block: 22px; }
.winners .place { font: 900 3.25rem/1 var(--display); font-variant-numeric: tabular-nums; }
.winners .who { font-size: 1.3rem; font-weight: 700; overflow-wrap: anywhere; }
.winners li:first-child .who { font: 900 clamp(2.2rem, 6vw, 3.5rem)/1 var(--display); }
.winners .pts { font: 900 1.75rem/1 var(--display); font-variant-numeric: tabular-nums; }
.results .board { max-width: 760px; }

.banner {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 5;
  transform: translateX(-50%);
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--rose);
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

/* Sign-in dialog */
dialog.auth {
  width: min(420px, calc(100vw - 32px));
  padding: 26px;
  border: 0;
  border-radius: 18px;
  background: var(--chalk);
  color: var(--ink);
}
dialog.auth::backdrop { background: rgb(13 20 80 / 0.7); }
dialog.auth h2 { font: 900 2.5rem/1 var(--display); margin-bottom: 18px; }
.field { display: block; margin-bottom: 14px; font-weight: 700; }
.field input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 11px 12px;
  border: 2px solid var(--ink);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-weight: 400;
}
.field small { display: block; font-weight: 400; color: #4a4f85; }
.error { min-height: 1.5em; color: #a3144b; font-weight: 700; }
dialog.auth .btn { width: 100%; margin: 6px 0 16px; box-shadow: 0 5px 0 #c98f00; }
dialog.auth .switch { margin: 0; text-align: center; }

@media (max-width: 820px) {
  .options { grid-template-columns: 1fr; gap: 12px; }
  .option { min-height: 62px; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .row { flex-direction: column; gap: 2px; }
  .row span { text-align: left; }
  .top nav .who { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .option { transition: none; }
}

/* Question picture. Its space is reserved so the answers never jump, and it gives way
   to the answers: nobody should have to scroll to answer against a countdown. */
.q-image { display: flex; height: clamp(90px, 24dvh, 300px); margin-bottom: 16px; }
.q-image img { max-width: 100%; height: 100%; border-radius: 12px; background: var(--chalk); object-fit: contain; }
.room:has(> .q-image) .question-text { margin-top: 12px; margin-bottom: 14px; font-size: clamp(1.7rem, 4vw, 2.75rem); }
.room:has(> .q-image) .seconds { font-size: clamp(3.5rem, 10vw, 6rem); }
.split .q-image { height: 150px; margin-bottom: 14px; }

@media (max-width: 820px) {
  .room:has(> .q-image) .options { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .room:has(> .q-image) .option { gap: 8px; min-height: 54px; padding: 6px 10px; font-size: 1rem; }
  .room:has(> .q-image) .option .key { width: 28px; height: 28px; font-size: 1.05rem; }
  .room:has(> .q-image) .feedback { margin-top: 10px; }
}

@media (min-width: 821px) {
  .room:has(> .q-image) { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 28px; align-items: start; }
  .room:has(> .q-image) > .status-bar,
  .room:has(> .q-image) > .question-text,
  .room:has(> .q-image) > .feedback { grid-column: 1 / -1; }
  .room:has(> .q-image) > .q-image { height: min(52dvh, 420px); margin: 0; justify-content: flex-end; }
  .room:has(> .q-image) > .options { grid-template-columns: 1fr; gap: 10px; }
  .room:has(> .q-image) .option { min-height: 58px; }
}