* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --page-bg: #f5f7fa;
  --surface: #ffffff;
  --surface-elevated: #ffffff;
  --surface-muted: #f8fafc;
  --screen-bg: #17130f;
  --screen-panel: #fffdf6;
  --text: #18202a;
  --text-muted: #475467;
  --border: #d0d5dd;
  --border-strong: #98a2b3;
  --primary: #1f6feb;
  --success: #12b76a;
  --warning: #fdb022;
  --danger: #d92d20;
  --gold: #f7c948;
  --teal: #0e9384;
  --violet: #7a5af8;
  --shadow-soft: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-screen: 0 18px 50px rgba(0, 0, 0, 0.22);
}

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100dvh;
  overflow-x: hidden;
  background: var(--page-bg);
  color: var(--text);
  transition: background-color 180ms ease, color 180ms ease;
}

img,
svg,
video,
canvas {
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  line-height: 1.35;
  max-width: 100%;
}

button {
  min-height: 44px;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  white-space: normal;
  overflow-wrap: anywhere;
  touch-action: manipulation;
}

.button-link {
  min-height: 44px;
  display: inline-flex;
  flex: 1 1 180px;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

button.is-active-preset {
  border-color: var(--primary);
  background: #e8f2ff;
  color: #123b7a;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  padding: 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.button-link:focus-visible {
  outline: 3px solid rgba(31, 111, 235, 0.28);
  outline-offset: 2px;
}

textarea {
  resize: vertical;
}

.app-shell,
.screen-shell {
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 1rem;
}

.screen-shell {
  width: min(1400px, 100%);
}

.page-screen {
  background:
    linear-gradient(180deg, rgba(255, 253, 246, 0.04), rgba(14, 147, 132, 0.08)),
    var(--screen-bg);
  color: #f8fafc;
}

.page-screen .screen-shell {
  width: min(1600px, 100%);
  min-height: 100dvh;
  display: grid;
  gap: 1rem;
  align-content: start;
  padding: clamp(0.75rem, 1.8vw, 2rem);
}

.panel,
.screen-panel,
.panel-subsection,
.status-card,
.metric-card,
.table-placeholder,
.notice-block {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.panel,
.screen-panel {
  padding: 1rem;
  margin-bottom: 1rem;
  min-width: 0;
}

.page-screen .screen-panel {
  margin-bottom: 0;
  padding: clamp(1rem, 2.2vw, 2rem);
  border-color: rgba(247, 201, 72, 0.36);
  background: var(--screen-panel);
  color: #18130d;
  box-shadow: var(--shadow-screen);
}

.panel-subsection,
.status-card,
.notice-block {
  padding: 1rem;
  margin-top: 1rem;
  min-width: 0;
}

.game-panel,
.operation-panel {
  transition: border-color 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.section-header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.25;
}

.page-screen h1 {
  font-size: clamp(2rem, 4.8vw, 5rem);
  line-height: 1.05;
}

.page-screen h2 {
  font-size: clamp(1.55rem, 3vw, 3.2rem);
  line-height: 1.1;
}

.page-screen p,
.page-screen li,
.page-screen .metric-card span {
  font-size: clamp(1rem, 1.45vw, 1.5rem);
}

p {
  margin: 0 0 0.75rem;
}

.is-hidden {
  display: none !important;
}

.stacked-form,
.field-group,
.control-group {
  display: grid;
  gap: 0.5rem;
}

.stacked-form {
  max-width: 520px;
}

.language-selector {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.language-selector h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

.language-button-row > button {
  flex-basis: 140px;
}

.language-button-row > button.is-active-language {
  border-color: var(--primary);
  background: #e7f0ff;
  color: var(--primary);
  font-weight: 800;
}

.field-label {
  font-weight: 700;
}

.form-grid,
.status-grid,
.info-grid,
.log-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.button-row,
.button-grid,
.answer-grid,
.choice-summary-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: stretch;
}

.button-grid > button,
.button-row > button,
.button-row > .button-link {
  flex: 1 1 180px;
}

.button-row > label {
  flex: 1 1 220px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.primary-action {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(80px, 1fr));
}

.answer-grid[data-choice-count="2"],
.answer-grid[data-choice-count="3"],
.answer-grid[data-choice-count="4"] {
  grid-template-columns: repeat(2, minmax(80px, 1fr));
}

.answer-grid[data-choice-count="5"],
.answer-grid[data-choice-count="6"] {
  grid-template-columns: repeat(3, minmax(80px, 1fr));
}

.answer-panel {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.answer-button {
  min-height: 72px;
  display: grid;
  gap: 0.25rem;
  place-items: center;
  align-content: center;
  grid-template-rows: auto minmax(1.2rem, auto) auto auto;
}

.choice-label {
  font-size: 1.5rem;
  font-weight: 800;
}

.choice-text {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: help;
}

.choice-text[hidden] {
  display: none;
}

.choice-marker,
.choice-result {
  min-height: 1.25rem;
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.choice-marker {
  font-weight: 700;
}

.metric-card,
.table-placeholder {
  min-width: 0;
  padding: 0.75rem;
}

.metric-card {
  display: grid;
  gap: 0.25rem;
}

.metric-card span,
.metric-list dt {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.metric-card strong,
.large-number {
  font-size: clamp(1.4rem, 4vw, 2.5rem);
  line-height: 1.1;
}

.page-screen .metric-card {
  border: 1px solid rgba(24, 19, 13, 0.14);
  background: #fff8dc;
}

.screen-cheer-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.screen-cheer-empty {
  margin: 0;
}

.screen-cheer-ranking {
  margin-top: 1rem;
}

.page-screen .metric-card strong,
.page-screen .large-number {
  font-size: clamp(2.5rem, 8vw, 8rem);
  letter-spacing: 0;
}

.page-screen .choice-summary-grid {
  gap: clamp(0.6rem, 1.2vw, 1rem);
}

.definition-list,
.metric-list {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.definition-list div,
.metric-list div {
  display: grid;
  gap: 0.25rem;
}

.text-list {
  margin: 0;
  padding-left: 1.2rem;
}

.compact-list {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.45rem;
}

.answer-history-area,
.result-block {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.answer-history-area summary,
.result-block summary {
  cursor: pointer;
  font-weight: 700;
}

.answer-history-area > summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
}

.summary-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.answer-history-item {
  min-width: 0;
}

.answer-history-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.08);
  overflow: hidden;
}

.answer-history-card > summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(3, minmax(5.25rem, max-content));
  gap: 0.5rem;
  align-items: center;
  padding: 0.75rem;
  background: var(--surface-muted);
}

.answer-history-title,
.answer-history-status {
  min-width: 0;
}

.answer-history-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.answer-history-status {
  font-weight: 800;
}

.answer-history-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
}

.answer-history-card[open] .answer-history-title {
  white-space: normal;
}

.answer-history-detail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin: 0;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
}

.answer-history-detail div {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.answer-history-detail div:first-child {
  grid-column: 1 / -1;
}

.answer-history-detail dt {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.answer-history-detail dd {
  margin: 0;
}

.answer-history-card.is-answer-correct {
  border-color: rgba(18, 183, 106, 0.55);
}

.answer-history-card.is-answer-incorrect {
  border-color: rgba(217, 45, 32, 0.45);
}

.answer-history-card.is-answer-vote {
  border-color: rgba(31, 111, 235, 0.45);
}

.answer-history-card.is-answer-pending {
  border-color: rgba(102, 112, 133, 0.35);
}

.text-list li,
.status-card,
.metric-card,
.table-placeholder,
.notice-block,
.panel-subsection,
.screen-panel {
  min-width: 0;
  overflow-wrap: anywhere;
}

.detail-list,
.list-stack,
.announcement-list {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.detail-row,
.announcement-list > article {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
}

.detail-row > *,
.announcement-list > article > *,
.list-row > * {
  min-width: 0;
}

.result-announcement {
  border-color: rgba(253, 176, 34, 0.5);
  background: #fff9e8;
}

.info-pill {
  display: inline-flex;
  flex: 1 1 180px;
  align-items: center;
  min-width: 0;
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
  overflow-wrap: anywhere;
}

.admin-panel-block > summary {
  cursor: pointer;
  font-weight: 700;
  min-width: 0;
  padding: 0.25rem 0;
  overflow-wrap: anywhere;
}

.admin-panel-block.is-preset-hidden {
  display: none !important;
}

.subsection-body {
  display: grid;
  gap: 1rem;
  padding-top: 1rem;
}

.choice-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
}

.choice-summary-grid > div {
  min-height: 64px;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  display: grid;
  place-items: center;
  text-align: center;
}

.page-screen .choice-summary-grid {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.page-screen .choice-summary-grid[data-choice-count="2"],
.page-screen .choice-summary-grid[data-choice-count="3"],
.page-screen .choice-summary-grid[data-choice-count="4"] {
  grid-template-columns: repeat(2, minmax(140px, 1fr));
}

.page-screen .choice-summary-grid[data-choice-count="5"],
.page-screen .choice-summary-grid[data-choice-count="6"] {
  grid-template-columns: repeat(3, minmax(140px, 1fr));
}

.page-screen .choice-summary-grid > div {
  min-height: clamp(96px, 12vw, 170px);
  border-width: 2px;
  border-color: rgba(24, 19, 13, 0.16);
  background: #ffffff;
  font-size: clamp(2rem, 5vw, 5rem);
  font-weight: 800;
}

.page-screen .choice-summary-grid strong {
  display: block;
  font-size: clamp(1.5rem, 4vw, 4rem);
}

.page-screen .choice-summary-grid .choice-label {
  font-size: inherit;
}

.page-screen .choice-summary-grid[data-choice-mode="minigame-recruitment"] .choice-label {
  font-size: 2rem;
  line-height: 1.2;
}

.answer-button.is-selected-choice {
  border-color: var(--primary);
  background: #e8f2ff;
  outline: 2px solid rgba(31, 111, 235, 0.2);
}

.answer-button.is-correct-choice,
.choice-summary-grid > div.is-correct-choice {
  border-color: var(--success);
  background: #e8f7ef;
  outline: 2px solid rgba(18, 183, 106, 0.25);
}

.answer-button.is-correct-choice .choice-marker {
  color: #047857;
}

.answer-button.is-selected-choice:not(.is-correct-choice) .choice-marker {
  color: var(--primary);
}

.is-choice-hidden,
.is-runtime-hidden,
.is-screen-hidden {
  display: none !important;
}

.admin-function-menu {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
}

.admin-function-menu > summary {
  cursor: pointer;
  font-weight: 800;
}

.compact-status-grid,
.compact-choice-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  min-width: 0;
}

.admin-aggregation-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: stretch;
}

.admin-aggregation-grid .metric-card {
  min-height: 7rem;
}

.admin-aggregation-grid .metric-card span {
  white-space: nowrap;
}

.admin-aggregation-grid .metric-card strong {
  font-size: clamp(1.25rem, 2.2vw, 2rem);
  overflow-wrap: normal;
  word-break: keep-all;
}

.compact-choice-summary {
  margin-top: 0.75rem;
}

.admin-choice-summary {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.compact-choice-summary > div {
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  display: grid;
  gap: 0.25rem;
  text-align: center;
}

.compact-choice-summary > div span,
.compact-choice-summary > div strong {
  overflow-wrap: anywhere;
}

.prize-target-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
}

.prize-target-summary strong,
.prize-target-summary span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.log-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.log-grid article,
.log-grid pre,
.table-placeholder,
.detail-row,
.list-row {
  max-width: 100%;
  min-width: 0;
}

.log-grid article {
  overflow: hidden;
}

.log-grid pre,
.table-placeholder pre {
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-height: 340px;
}

.answer-button.is-incorrect-choice {
  border-color: var(--danger);
  background: #fff4f2;
  outline: 2px solid rgba(217, 45, 32, 0.18);
}

.answer-button.is-result-choice {
  border-color: var(--warning);
  background: #fffaeb;
}

.ranking-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.5rem;
}

.ranking-list--columns {
  padding-left: 0;
  list-style: none;
}

.ranking-list > li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.ranking-row {
  display: grid;
  grid-template-columns:
    minmax(3.5rem, max-content)
    minmax(10rem, 1fr)
    minmax(5.5rem, max-content)
    minmax(6rem, max-content)
    minmax(5.5rem, max-content);
  gap: 0.5rem 0.85rem;
  align-items: center;
}

.ranking-row-rank,
.ranking-row-correct,
.ranking-row-time,
.ranking-row-prize {
  white-space: nowrap;
}

.ranking-row-name {
  min-width: 0;
  overflow: hidden;
  overflow-wrap: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ranking-row-name:focus,
.ranking-row-name:active,
.ranking-row.is-name-expanded .ranking-row-name {
  white-space: normal;
  overflow-wrap: anywhere;
}

.ranking-row-correct,
.ranking-row-time {
  text-align: right;
}

.ranking-row-prize {
  color: #8a5a00;
  font-weight: 700;
}

.ranking-row-prize-short {
  display: none;
}

.ranking-list button {
  margin-left: 0.5rem;
}

.page-screen .ranking-list {
  padding-left: 0;
  list-style-position: inside;
}

.page-screen .ranking-list > li {
  padding: 0.75rem 1rem;
  border: 1px solid rgba(24, 19, 13, 0.14);
  border-radius: 6px;
  background: #ffffff;
}

.upcoming-question-area {
  margin-top: 0.75rem;
}

.upcoming-question-area > strong {
  display: block;
  margin-bottom: 0.5rem;
}

.upcoming-current {
  display: grid;
  grid-template-columns: minmax(4rem, max-content) 1fr;
  gap: 0.5rem;
  align-items: start;
}

.upcoming-current span,
.upcoming-label {
  color: var(--text-muted);
  font-weight: 700;
  white-space: nowrap;
}

.upcoming-question-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.upcoming-question-list li {
  display: grid;
  grid-template-columns: minmax(4rem, max-content) minmax(0, 1fr);
  gap: 0.5rem;
  min-width: 0;
  padding: 0.45rem 0;
  border-top: 1px solid var(--border);
}

.rank-reveal-fast {
  border-color: rgba(253, 176, 34, 0.5);
}

.rank-reveal-medium {
  border-color: rgba(122, 90, 248, 0.45);
}

.rank-reveal-winner,
.prize-target-effect,
.minigame-selected-effect {
  border-color: rgba(247, 201, 72, 0.85);
  background: #fff3bf;
}

.status-badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid #b54708;
  border-radius: 999px;
  color: #7a2e0e;
  background: #fffaeb;
  font-size: 0.85em;
  white-space: nowrap;
}

.survival-audit-summary,
.survival-result-block,
.survival-log-list {
  display: grid;
  gap: 0.75rem;
  min-width: 0;
}

.survival-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}

.survival-result-block {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-muted);
}

.survival-result-block h3,
.survival-result-block h4 {
  margin-bottom: 0.25rem;
}

.survival-decision-list {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding-left: 1.25rem;
}

.survival-decision-list > li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.survival-reason-row {
  align-items: center;
}

.survival-reason-badge {
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.85em;
  overflow-wrap: anywhere;
}

.survival-result-survived {
  border-color: rgba(18, 183, 106, 0.35);
  background: #f0fbf5;
}

.survival-result-eliminated {
  border-color: rgba(217, 45, 32, 0.35);
  background: #fff4f2;
}

.survival-log-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(140px, 1fr) minmax(180px, 1.5fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  overflow-wrap: anywhere;
}

.survival-log-row time {
  color: var(--text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  overflow-wrap: anywhere;
}

pre {
  overflow: auto;
  max-width: 100%;
  white-space: pre-wrap;
}

/* State classes keep production effects opt-in and predictable for later Socket.IO updates. */
.page-participant.quiz-state-question-start {
  background: #e8f2ff;
}

.page-participant.quiz-state-answer-closed {
  background: #edf0f3;
}

.page-participant.survival-state-eliminated {
  background: #111827;
  color: #f8fafc;
}

.page-participant.quiz-state-results-visible {
  background: #fff7d6;
}

.page-participant.quiz-state-correct {
  background: #e8f7ef;
}

.page-participant.quiz-state-incorrect {
  background: #ffe8e6;
}

.page-participant.quiz-state-unanswered {
  background: #111827;
  color: #f8fafc;
}

.page-participant.ranking-state-period-champion {
  background: #fff0da;
}

.page-participant.ranking-state-overall {
  background: #eef7f2;
}

.page-participant.minigame-state-recruiting {
  background: #ffece8;
}

.page-participant.minigame-state-selected,
.page-participant.external-minigame-bonus-applied {
  background: #fff3bf;
}

.minigame-qualified-notice {
  border-color: rgba(232, 163, 23, 0.55);
  background: #fff8db;
}

.minigame-qualified-notice h2 {
  color: #7a4b00;
}

.page-participant.survival-state-active {
  background: #eef4ff;
}

.page-participant.rehearsal-reset-notified {
  background: #ffe8e6;
  color: var(--text);
}

.rehearsal-reset-notice {
  border-color: rgba(217, 45, 32, 0.45);
  background: #fff4f2;
  color: var(--text);
}

.rehearsal-reset-notice h1 {
  color: #7a271a;
}

.rehearsal-reset-notice p {
  color: #912018;
}

.page-participant.quiz-state-question-start .game-panel {
  border-left: 6px solid var(--primary);
}

.page-participant.quiz-state-answer-closed .game-panel,
.page-participant.survival-state-eliminated .game-panel {
  border-left: 6px solid var(--border-strong);
}

.page-participant.survival-state-eliminated .game-panel,
.page-participant.survival-state-eliminated .status-card,
.page-participant.survival-state-eliminated .answer-panel,
.page-participant.survival-state-eliminated .panel-subsection {
  background: #172033;
  border-color: #344054;
  color: #f8fafc;
}

.page-participant.survival-state-eliminated .metric-list dt,
.page-participant.survival-state-eliminated .form-message,
.page-participant.survival-state-eliminated .choice-marker,
.page-participant.survival-state-eliminated .choice-result {
  color: #d0d5dd;
}

.answer-button.is-survival-blocked {
  opacity: 0.38;
  cursor: not-allowed;
}

.page-participant.quiz-state-results-visible .game-panel {
  border-left: 6px solid var(--warning);
}

.page-participant.quiz-state-correct .game-panel {
  border-left: 6px solid var(--success);
}

.page-participant.quiz-state-incorrect .game-panel {
  border-left: 6px solid var(--danger);
}

.page-participant.quiz-state-unanswered .game-panel {
  border-left: 6px solid #111827;
}

.page-participant.quiz-state-unanswered .game-panel,
.page-participant.quiz-state-unanswered .status-card,
.page-participant.quiz-state-unanswered .answer-panel,
.page-participant.quiz-state-unanswered .panel-subsection,
.page-participant.quiz-state-unanswered .answer-history-card,
.page-participant.survival-state-eliminated .answer-history-card {
  background: #172033;
  border-color: #344054;
  color: #f8fafc;
}

.page-participant.quiz-state-unanswered .answer-history-card > summary,
.page-participant.survival-state-eliminated .answer-history-card > summary {
  background: #111827;
  color: #f8fafc;
}

.page-participant.quiz-state-unanswered .answer-history-chip,
.page-participant.survival-state-eliminated .answer-history-chip {
  background: #344054;
  border-color: #475467;
  color: #f8fafc;
}

.page-participant.quiz-state-unanswered .answer-history-detail,
.page-participant.survival-state-eliminated .answer-history-detail {
  border-color: #344054;
}

.page-participant.quiz-state-unanswered .answer-history-detail dt,
.page-participant.survival-state-eliminated .answer-history-detail dt {
  color: #d0d5dd;
}

.page-participant.ranking-state-period-champion .game-panel {
  border-left: 6px solid #f79009;
}

.page-participant.ranking-state-overall .game-panel {
  border-left: 6px solid var(--teal);
}

.page-participant.minigame-state-recruiting .game-panel {
  border-left: 6px solid var(--danger);
}

.page-participant.minigame-state-selected .game-panel,
.page-participant.external-minigame-bonus-applied .game-panel {
  border-left: 6px solid var(--gold);
}

.page-participant.survival-state-active .game-panel {
  border-left: 6px solid var(--violet);
}

.quiz-state-question-start.answer-panel {
  border-color: #84b9ff;
}

.quiz-state-answer-closed.answer-panel {
  border-color: var(--border-strong);
  background: var(--surface-muted);
}

.quiz-state-results-visible.answer-panel {
  border-color: var(--warning);
  background: #fffdf0;
}

.minigame-section,
.minigame-selected-section,
.cheer-section,
.external-minigame-section,
.survival-section {
  border-left: 4px solid transparent;
}

.cheer-section .button-row {
  align-items: stretch;
}

.cheer-section .button-row > button {
  flex-basis: 100%;
}

#cheerMessage {
  min-height: 3rem;
  display: flex;
  align-items: center;
}

#cheerButton {
  width: 100%;
  min-height: clamp(160px, 24vh, 260px);
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 800;
  touch-action: manipulation;
  user-select: none;
}

.page-participant.minigame-state-recruiting .minigame-section {
  border-left-color: var(--danger);
  background: #fff4f2;
}

.page-participant.minigame-state-selected .minigame-selected-section {
  border-left-color: var(--gold);
  background: #fff8dc;
}

.page-participant.external-minigame-bonus-applied .external-minigame-section {
  border-left-color: var(--gold);
  background: #fff8dc;
}

.page-participant.survival-state-active .survival-section {
  border-left-color: var(--violet);
  background: #f4f3ff;
}

.screen-state-answering #screenWaitingArea,
.screen-state-results #screenAggregationArea,
.screen-state-reveal #screenAnswerRevealArea,
.screen-state-period-champion #screenPeriodChampionArea,
.screen-state-overall-ranking #screenOverallRankingArea,
.screen-state-minigame #screenMinigameParticipantsArea,
.screen-state-minigame #screenCheerArea,
.screen-state-minigame #screenExternalMinigameArea,
.screen-state-survival #screenSurvivalArea {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.16), var(--shadow-screen);
}

.screen-state-reveal #screenAnswerRevealArea,
.screen-state-period-champion #screenPeriodChampionArea,
.screen-state-overall-ranking #screenOverallRankingArea {
  border-color: var(--gold);
}

.screen-state-minigame #screenMinigameParticipantsArea,
.screen-state-minigame #screenCheerArea,
.screen-state-minigame #screenExternalMinigameArea {
  border-color: var(--danger);
}

.screen-state-survival #screenSurvivalArea {
  border-color: var(--violet);
}

@keyframes quiz-shake-soft {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}

@keyframes quiz-shake-strong {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@keyframes quiz-flash-gold {
  0%, 100% { box-shadow: var(--shadow-soft); }
  50% { box-shadow: 0 0 0 6px rgba(247, 201, 72, 0.35), var(--shadow-soft); }
}

@keyframes screen-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.01); }
}

@media (prefers-reduced-motion: no-preference) {
  .page-participant.quiz-state-question-start .game-panel {
    animation: quiz-shake-soft 200ms ease-in-out 1;
  }

  .page-participant.quiz-state-answer-closed .game-panel {
    animation: quiz-shake-soft 500ms ease-in-out 1;
  }

  .page-participant.quiz-state-correct .game-panel {
    animation: quiz-shake-soft 500ms ease-in-out 1;
  }

  .page-participant.quiz-state-incorrect .game-panel {
    animation: quiz-shake-strong 200ms ease-in-out 3;
  }

  .page-participant.ranking-state-period-champion .game-panel,
  .page-participant.ranking-state-overall .game-panel {
    animation: quiz-shake-soft 500ms ease-in-out 1;
  }

  .rank-reveal-fast {
    animation: quiz-shake-soft 100ms ease-in-out 1;
  }

  .rank-reveal-medium {
    animation: quiz-shake-soft 200ms ease-in-out 1;
  }

  .rank-reveal-winner {
    animation: quiz-shake-soft 500ms ease-in-out 1, quiz-flash-gold 900ms ease-in-out 1;
  }

  .prize-target-effect,
  .minigame-selected-effect,
  .page-participant.minigame-state-selected .game-panel,
  .page-participant.external-minigame-bonus-applied .game-panel {
    animation: quiz-shake-soft 1000ms ease-in-out 1, quiz-flash-gold 1000ms ease-in-out 1;
  }

  .screen-state-results #screenAggregationArea,
  .screen-state-reveal #screenAnswerRevealArea,
  .screen-state-minigame #screenCheerArea {
    animation: screen-pulse 700ms ease-in-out 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 900px) {
  .form-grid,
  .status-grid,
  .info-grid,
  .log-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .button-grid > button,
  .button-row > button,
  .button-row > .button-link {
    flex-basis: 150px;
  }

  .page-screen .choice-summary-grid {
    grid-template-columns: repeat(3, minmax(120px, 1fr));
  }
}

@media (max-width: 640px) {
  .app-shell,
  .screen-shell {
    padding: 0.75rem;
  }

  .ranking-row {
    grid-template-columns: 2rem minmax(5.5rem, 1fr) 3.2rem 4rem 2.4rem;
    gap: 0.25rem;
    font-size: 0.9rem;
  }

  .ranking-row-correct,
  .ranking-row-time,
  .ranking-row-prize {
    grid-column: auto;
    text-align: right;
  }

  .ranking-row-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow-wrap: normal;
  }

  .ranking-row-prize {
    font-size: 0.78rem;
  }

  .ranking-row-prize-full {
    display: none;
  }

  .ranking-row-prize-short {
    display: inline;
  }

  .ranking-row-name:focus,
  .ranking-row-name:active,
  .ranking-row.is-name-expanded .ranking-row-name {
    grid-column: 2 / -1;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .answer-history-card > summary {
    grid-template-columns: minmax(0, 1fr) minmax(4.8rem, max-content);
  }

  .answer-history-chip:not(.answer-history-status) {
    justify-content: flex-start;
    grid-column: 1 / -1;
  }

  .answer-history-detail {
    grid-template-columns: 1fr 1fr;
  }

  .answer-grid {
    grid-template-columns: repeat(2, minmax(80px, 1fr));
  }

  .choice-label {
    font-size: 1.3rem;
  }

  .choice-text {
    font-size: 0.86rem;
  }

  .list-row {
    grid-template-columns: 1fr;
  }

  .survival-log-row {
    grid-template-columns: 1fr;
  }

  .survival-log-row time {
    white-space: normal;
  }

  .panel,
  .screen-panel,
  .panel-subsection,
  .status-card,
  .notice-block {
    padding: 0.75rem;
  }

  .button-grid > button,
  .button-row > button,
  .button-row > .button-link {
    flex-basis: 100%;
  }

  .page-screen .screen-shell {
    gap: 0.75rem;
  }

  .page-screen .choice-summary-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 420px) {
  .app-shell,
  .screen-shell {
    padding: 0.5rem;
  }

  .answer-button {
    min-height: 64px;
    padding: 0.55rem;
  }

  .form-grid,
  .status-grid,
  .info-grid,
  .log-grid,
  .choice-summary-grid {
    grid-template-columns: 1fr;
  }

  .page-screen .choice-summary-grid {
    grid-template-columns: 1fr;
  }
}

.answer-grid[data-choice-count="2"],
.answer-grid[data-choice-count="3"],
.answer-grid[data-choice-count="4"] {
  grid-template-columns: repeat(2, minmax(80px, 1fr));
}

.answer-grid[data-choice-count="5"],
.answer-grid[data-choice-count="6"] {
  grid-template-columns: repeat(3, minmax(80px, 1fr));
}

.page-screen .choice-summary-grid[data-choice-count="2"],
.page-screen .choice-summary-grid[data-choice-count="3"],
.page-screen .choice-summary-grid[data-choice-count="4"] {
  grid-template-columns: repeat(2, minmax(120px, 1fr));
}

.page-screen .choice-summary-grid[data-choice-count="5"],
.page-screen .choice-summary-grid[data-choice-count="6"] {
  grid-template-columns: repeat(3, minmax(120px, 1fr));
}