:root {
  color-scheme: light;
  --background: #f6f7fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #697386;
  --primary: #1f7a8c;
  --primary-dark: #145768;
  --line: #d9deea;
  --bar: #f4c95d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.home-shell,
.player-shell {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.quiz-area,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(2rem, 6vw, 4rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.options {
  display: grid;
  gap: 12px;
}

.option-button,
.name-form button,
.primary-button,
.primary-link,
.secondary-link {
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

.option-button,
.name-form button,
.primary-button,
.primary-link {
  background: var(--primary);
  color: white;
}

.option-button {
  min-height: 64px;
  padding: 16px;
  text-align: left;
  font-size: 1.1rem;
}

.option-button:hover,
.option-button.selected,
.name-form button:hover,
.primary-button:hover,
.primary-link:hover {
  background: var(--primary-dark);
}

.option-button:disabled {
  cursor: default;
  opacity: 0.65;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  text-decoration: none;
}

.secondary-link {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.notice {
  border-radius: 8px;
  padding: 12px;
}

.success {
  background: #e7f6ed;
  color: #167a3f;
}

.error {
  background: #fdecec;
  color: #a43131;
}

.question-text {
  font-size: 1.25rem;
  line-height: 1.45;
}

.primary-button {
  min-height: 46px;
  padding: 0 18px;
}

.results {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.result-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.result-track {
  overflow: hidden;
  height: 14px;
  border-radius: 999px;
  background: #edf0f6;
}

.result-bar {
  height: 100%;
  width: 0;
  background: var(--bar);
  transition: width 160ms ease;
}

.question-list {
  display: grid;
  gap: 12px;
}

.question-card {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.question-card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.option-static {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcff;
  font-weight: 700;
}

.option-static.correct {
  border-color: #167a3f;
  background: #e7f6ed;
}

.option-static.selected {
  outline: 3px solid rgba(31, 122, 140, 0.25);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.stat-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.stat-grid strong,
.stat-grid span {
  display: block;
}

.stat-grid strong {
  font-size: 1.5rem;
}

.simple-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.host-form {
  display: grid;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.host-form-first {
  padding-top: 0;
  border-top: 0;
}

.host-form label,
.name-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.host-form input,
.host-form textarea,
.name-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--text);
}

.host-form button,
.name-form button {
  min-height: 44px;
}

.name-form {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.answer-section {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.answer-list {
  display: grid;
  gap: 10px;
}

.answer-item,
.ranking-item {
  display: grid;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.answer-item {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) auto;
}

.ranking-item {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.answer-item span,
.answer-item strong,
.ranking-item span {
  overflow-wrap: anywhere;
}

.answer-item time {
  color: var(--muted);
  font-size: 0.85rem;
}

.answer-correct {
  color: #167a3f;
  font-weight: 700;
}

.answer-wrong {
  color: var(--muted);
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: 16px 0;
  }

  .home-shell,
  .player-shell {
    padding: 16px 0;
  }

  .answer-item,
  .ranking-item {
    grid-template-columns: 1fr;
  }
}