:root {
  --bg: #f4f8fc;
  --surface: #ffffff;
  --text: #243447;
  --text-strong: #052639;
  --muted: #5a6d7d;
  --line: rgba(30, 65, 124, 0.14);
  --navy: #1e417c;
  --sky: #33acdd;
  --lime: #8ec640;
  --shadow: 0 8px 28px rgba(30, 65, 124, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(51, 172, 221, 0.16), transparent 55%),
    radial-gradient(900px 420px at 110% 0%, rgba(142, 198, 64, 0.14), transparent 50%),
    var(--bg);
  color: var(--text);
}

#app {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

#app.wide {
  max-width: 980px;
}

.play-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.play-top h1 {
  margin-bottom: 0.25rem;
}

.play-top .sync {
  margin-bottom: 0;
}

.brand {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--sky);
  margin: 0 0 0.4rem;
}

h1 {
  font-family: "Archivo Black", system-ui, sans-serif;
  font-size: 2rem;
  line-height: 1.1;
  color: var(--navy);
  margin: 0 0 0.5rem;
}

.lede,
.hint,
.sync {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
}

label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  margin-bottom: 0.85rem;
  color: var(--text-strong);
}

input:focus {
  outline: 2px solid var(--sky);
  border-color: var(--sky);
}

button {
  font: inherit;
  font-weight: 800;
  border: 0;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  background: linear-gradient(135deg, var(--sky), var(--lime));
  color: #052639;
}

button.danger {
  background: #e22028;
  color: #fff;
}

button.tiny {
  padding: 0.35rem 0.55rem;
  font-size: 0.75rem;
}

button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.error {
  background: #fdecec;
  color: #9b1c1c;
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 1rem;
}

.room-code {
  font-family: "Archivo Black", system-ui, sans-serif;
  font-size: clamp(2rem, 8vw, 3rem);
  letter-spacing: 0.18em;
  color: var(--navy);
  margin: 0.2rem 0 0.75rem;
}

.roster {
  list-style: none;
  margin: 0;
  padding: 0;
}

.roster li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.roster li:last-child {
  border-bottom: 0;
}

.you,
.host-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sky);
}

.host-tag {
  color: var(--lime);
}

.card .hint {
  margin: 0 0 0.85rem;
}

.hint {
  color: var(--muted);
  font-weight: 600;
  margin: 0 0 1rem;
}

.turn-banner {
  background: linear-gradient(135deg, var(--navy), var(--sky));
  color: #fff;
  font-family: "Archivo Black", system-ui, sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  text-align: center;
  border-radius: 16px;
  padding: 0.9rem 1rem;
  margin: 0 0 1rem;
}

.roster li.is-moderator {
  opacity: 0.78;
}

.tile-unused:disabled {
  opacity: 0.55;
  filter: grayscale(0.15);
  cursor: default;
}

.tile-open:disabled,
.tile-correct:disabled,
.tile-incorrect:disabled {
  opacity: 1;
  filter: none;
}

.tile-pickable {
  cursor: pointer;
  box-shadow: 0 0 0 3px rgba(30, 65, 124, 0.35);
}

.waiting {
  margin: 0.75rem 0 0;
  font-weight: 700;
  color: var(--navy);
}

.turn-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.roster li.is-turn {
  background: color-mix(in srgb, var(--sky) 10%, white);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: 10px;
}

.roster-right,
.adjust {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.score {
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.category-col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.category-col h3 {
  margin: 0;
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, var(--navy), var(--sky));
  border-radius: 12px;
  padding: 0.65rem 0.4rem;
}

.tile {
  min-height: 64px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--sky), var(--lime));
  color: #052639;
  font-family: "Archivo Black", system-ui, sans-serif;
  font-size: 1.15rem;
}

.tile:disabled {
  opacity: 1;
  cursor: default;
}

.tile-open {
  box-shadow: 0 0 0 3px var(--navy);
}

.tile-correct {
  background: #e8f8ef;
  color: #2f7d52;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tile-incorrect {
  background: #fdecec;
  color: #9b1c1c;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 38, 57, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 20;
}

.overlay-card {
  max-width: 540px;
  width: 100%;
  margin: 0;
}

.overlay-meta {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-weight: 700;
}

.clue-text {
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--text-strong);
  margin: 0 0 1rem;
}

.answer-text {
  background: #eef4fa;
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  margin: 0 0 1rem;
}

@media (max-width: 720px) {
  .board {
    grid-template-columns: 1fr;
  }
}