:root {
  --bg: #f6f8fb;
  --ink: #172033;
  --muted: #667085;
  --line: #d9e0ea;
  --panel: #ffffff;
  --primary: #1769aa;
  --primary-dark: #0f4d7d;
  --accent: #d94841;
  --good: #188753;
  --warning: #f2b84b;
  --shadow: 0 18px 45px rgba(26, 42, 68, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: linear-gradient(135deg, #f6f8fb 0%, #e7eef6 52%, #f7f1e8 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  width: min(1440px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0;
}

.topbar,
.status-strip,
.panel {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(217, 224, 234, 0.9);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 96px;
  padding: 20px 24px;
  border-radius: 8px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
}

h2 {
  margin-bottom: 16px;
  font-size: 1.15rem;
}

.language-switcher {
  display: grid;
  grid-template-columns: repeat(3, 56px);
  gap: 8px;
}

.language-switcher button,
.join-box button,
.primary,
.secondary {
  min-height: 44px;
  border-radius: 8px;
  color: #fff;
  background: var(--primary);
  font-weight: 800;
}

.secondary {
  color: var(--ink);
  background: #e8edf3;
}

.language-switcher button {
  color: var(--ink);
  background: #e8edf3;
}

.language-switcher button.active {
  color: #fff;
  background: var(--accent);
}

.status-strip {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 700;
}

.status-strip .error {
  color: var(--accent);
}

.layout {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr) minmax(260px, 330px);
  gap: 16px;
  margin-top: 16px;
  align-items: start;
}

.panel {
  border-radius: 8px;
  padding: 18px;
}

.identity-panel label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

input {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
}

input:focus {
  border-color: var(--primary);
  outline: 3px solid rgba(23, 105, 170, 0.16);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.profile-stats div {
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.profile-stats span,
.profile-stats strong {
  display: block;
}

.profile-stats span {
  color: var(--muted);
  font-size: 0.82rem;
}

.profile-stats strong {
  margin-top: 6px;
  font-size: 1.45rem;
}

.join-grid {
  display: grid;
  gap: 14px;
}

.join-grid > .primary {
  min-height: 56px;
  font-size: 1rem;
}

.join-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 10px;
}

.room-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.room-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.room-header h2 {
  margin-bottom: 0;
  font-size: 2rem;
}

.question-zone {
  display: grid;
  gap: 16px;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.question-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #e8edf3;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.timer {
  width: 100%;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf3;
}

.timer div {
  height: 100%;
  background: linear-gradient(90deg, var(--good), var(--warning), var(--accent));
  transition: width 0.2s linear;
}

.question-zone h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.18;
}

.answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.answers button {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 72px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  text-align: left;
  font-weight: 750;
}

.answers button:hover,
.answers button.selected {
  border-color: var(--primary);
  background: #eaf4fb;
}

.answers span {
  display: grid;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--primary-dark);
}

.waiting-zone,
.final-zone {
  min-height: 340px;
  display: grid;
  align-content: center;
  gap: 14px;
}

.waiting-zone p {
  color: var(--muted);
}

.podium {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 10px;
}

.podium-place {
  display: grid;
  min-height: 130px;
  align-content: center;
  gap: 8px;
  padding: 14px;
  border-radius: 8px;
  color: #fff;
  background: var(--primary-dark);
  text-align: center;
}

.place-1 {
  min-height: 170px;
  background: var(--accent);
}

.place-2 {
  background: var(--primary);
}

.place-3 {
  background: var(--good);
}

.ranking,
.leaderboard,
.players {
  display: grid;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.ranking li,
.leaderboard li,
.players li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.players span {
  flex: 0 0 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--good);
}

.players span.offline {
  background: var(--muted);
}

.players b,
.leaderboard span,
.ranking span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.players em {
  color: var(--primary);
  font-style: normal;
  font-weight: 900;
}

.side-panel {
  display: grid;
  gap: 24px;
}

@media (max-width: 1080px) {
  .layout {
    grid-template-columns: 1fr 1fr;
  }

  .play-panel {
    grid-column: 1 / -1;
    order: -1;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 1440px);
    padding: 10px 0;
  }

  .topbar,
  .room-header {
    align-items: stretch;
    flex-direction: column;
  }

  .language-switcher {
    grid-template-columns: repeat(3, 1fr);
  }

  .layout,
  .answers,
  .podium,
  .join-box {
    grid-template-columns: 1fr;
  }
}