:root {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --brand: #0078d7;
  --brand-dark: #005bb5;
  --accent: #16a34a;
  --danger: #ef4444;
  --border: #e2e8f0;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font, system-ui, -apple-system, sans-serif);
}

body.player-room {
  min-height: 100dvh;
  overflow: hidden;
  background: #111827;
}

.hidden { display: none !important; }

.app-shell {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 28px 16px 60px;
}

.entry-panel,
.status-panel,
.player-panel,
.players-panel,
.kicked-panel,
.ranking-panel,
.room-toolbar {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.entry-panel {
  max-width: 520px;
  margin: 28px auto 0;
  padding: 28px;
}

.title-block {
  text-align: center;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: 1.55rem;
  letter-spacing: 1px;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.entry-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.name-field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry-panel.host-selected .name-field {
  display: none;
}

.field-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.room-row,
.name-row {
  display: flex;
  gap: 8px;
}

.room-row .secondary-btn {
  flex: 0 0 auto;
  min-width: 96px;
  white-space: nowrap;
}

.text-input {
  width: 100%;
  min-height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.code-input {
  font-family: "Courier New", monospace;
  letter-spacing: 1px;
  text-transform: lowercase;
}

.text-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(0,120,215,0.14);
}

.primary-btn,
.secondary-btn,
.icon-btn {
  border: none;
  border-radius: 8px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.08s;
}

.primary-btn {
  min-height: 44px;
  padding: 9px 18px;
  background: var(--brand);
  color: #fff;
}

.primary-btn:hover { background: var(--brand-dark); }

.secondary-btn,
.icon-btn {
  min-height: 40px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
}

.secondary-btn:hover,
.icon-btn:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.primary-btn:active,
.secondary-btn:active,
.icon-btn:active,
.buzz-btn:active {
  transform: translateY(1px);
}

.role-tabs,
.room-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin: 6px 0 4px;
  padding: 4px;
  background: #e2e8f0;
  border-radius: 10px;
}

.room-mode-tabs {
  margin-top: 0;
}

.entry-panel:not(.host-selected) .room-mode-tabs {
  display: none;
}

.role-tab,
.room-mode-tab {
  min-height: 40px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.role-tab.active,
.room-mode-tab.active {
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.room-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.room-toolbar {
  position: sticky;
  top: 64px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
}

.toolbar-label {
  margin: 0 0 2px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.room-code {
  margin: 0;
  font-family: "Courier New", monospace;
  font-weight: 800;
  color: var(--brand);
  word-break: break-all;
}

.toolbar-actions {
  align-items: center;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.toolbar-count {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid #bbf7d0;
  border-radius: 999px;
  padding: 5px 10px;
  background: #ecfdf5;
  color: #166534;
  font-size: 0.82rem;
  font-weight: 900;
}

.icon-btn {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.8rem;
}

.icon-btn.danger {
  color: var(--danger);
}

.room-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.status-panel,
.player-panel,
.players-panel,
.kicked-panel,
.ranking-panel {
  padding: 18px;
}

.players-panel,
.kicked-panel,
.ranking-panel {
  grid-column: 1 / -1;
}

.round-row,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.role-badge,
.count-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 10px;
  background: #eff6ff;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
}

.round-label {
  display: none;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.winner-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: min(46vh, 430px);
  border-radius: 10px;
  padding: clamp(18px, 3vw, 34px);
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
}

.winner-card.waiting {
  background: #f8fafc;
  border-color: var(--border);
}

.winner-caption {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

#winner-name {
  color: #166534;
  font-size: clamp(3.2rem, 12vw, 10rem);
  line-height: 1.05;
  overflow-wrap: anywhere;
  text-align: center;
}

.winner-card.waiting #winner-name {
  color: #475569;
}

.winner-time {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.host-actions {
  margin-top: 14px;
}

.reset-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #0f172a;
}

.reset-btn:hover { background: #334155; }

.key-hint {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid rgba(255,255,255,0.42);
  border-radius: 6px;
  padding: 2px 8px;
  color: #e2e8f0;
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
}

.player-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wake-lock-control {
  display: none;
}

.wake-lock-toggle {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,0.72);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.94);
  color: #334155;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(15,23,42,0.2);
  cursor: pointer;
  backdrop-filter: blur(6px);
}

.wake-lock-toggle:focus-visible {
  outline: 3px solid #7dd3fc;
  outline-offset: 2px;
}

.wake-lock-toggle:disabled {
  cursor: default;
  opacity: 0.82;
}

.wake-lock-indicator {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: #f59e0b;
  box-shadow: 0 0 0 3px rgba(245,158,11,0.16);
}

.wake-lock-toggle[data-state="active"] .wake-lock-indicator {
  background: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,0.16);
}

.wake-lock-toggle[data-state="off"] .wake-lock-indicator,
.wake-lock-toggle[data-state="unsupported"] .wake-lock-indicator {
  background: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148,163,184,0.16);
}

.wake-lock-toggle[data-state="released"] .wake-lock-indicator {
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.16);
}

.wake-lock-state {
  min-width: 42px;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: right;
}

.buzz-btn {
  width: 100%;
  min-height: 220px;
  margin-top: 8px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(180deg, #ef4444, #b91c1c);
  color: #fff;
  font: inherit;
  font-size: clamp(2.8rem, 18vw, 5rem);
  font-weight: 900;
  letter-spacing: 0;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(185,28,28,0.25);
  touch-action: manipulation;
}

.buzz-btn:disabled {
  background: #94a3b8;
  box-shadow: none;
  cursor: not-allowed;
}

.buzz-btn.pressed {
  background: linear-gradient(180deg, #22c55e, #15803d);
  box-shadow: 0 12px 24px rgba(21,128,61,0.28);
}

.buzz-btn.kicked {
  background: linear-gradient(180deg, #64748b, #334155);
  box-shadow: 0 12px 24px rgba(51,65,85,0.25);
}

.player-message {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
}

.player-room .page-header,
.player-room .room-toolbar,
.player-room .status-panel,
.player-room .players-panel,
.player-room .kicked-panel,
.player-room .ranking-panel,
.player-room .sound-credit,
.player-room .back-fab {
  display: none !important;
}

.player-room .app-shell {
  width: 100%;
  height: 100dvh;
  margin: 0;
  padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  overflow: hidden;
}

.player-room .room-view,
.player-room .room-grid,
.player-room .player-panel {
  display: block;
  width: 100%;
  height: 100%;
}

.player-room .player-panel {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.player-room .wake-lock-control {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right));
  z-index: 5;
  display: block;
}

.player-room .buzz-btn {
  height: 100%;
  min-height: 0;
  margin: 0;
  border-radius: 22px;
  font-size: clamp(3.5rem, 24vw, 8rem);
}

.panel-heading h2 {
  margin: 0;
  font-size: 1rem;
}

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

.kicked-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.player-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.player-item.is-waiting {
  border-color: #fde68a;
  background: #fffbeb;
}

.player-item.is-answered {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.player-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.player-name {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.player-device {
  color: var(--muted);
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
}

.player-status {
  min-width: 54px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-align: right;
}

.player-status.is-waiting {
  color: #92400e;
}

.player-status.is-answered {
  color: #166534;
}

.kick-btn {
  min-height: 34px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 6px 10px;
  background: #fff;
  color: var(--danger);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}

.kick-btn:hover {
  background: #fef2f2;
}

.kicked-count {
  background: #fef2f2;
  color: #b91c1c;
}

.kicked-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: #fff7f7;
}

.kicked-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.kicked-name {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.kicked-meta {
  color: var(--muted);
  font-size: 0.78rem;
}

.restore-btn {
  min-height: 44px;
  border: 1px solid #86efac;
  border-radius: 8px;
  padding: 7px 14px;
  background: #f0fdf4;
  color: #166534;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  cursor: pointer;
}

.restore-btn:hover {
  background: #dcfce7;
}

.restore-btn:disabled {
  cursor: wait;
  opacity: 0.6;
}

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

.ranking-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.rank-number {
  color: var(--brand);
  font-weight: 900;
}

.rank-name {
  font-weight: 800;
  overflow-wrap: anywhere;
}

.rank-time {
  color: var(--muted);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.rank-diff {
  min-width: 72px;
  color: #16a34a;
  font-size: 0.8rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.empty-ranking {
  margin: 16px 0 4px;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
}

.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.qr-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15,23,42,0.55);
}

.qr-card {
  position: relative;
  width: min(320px, 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 24px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(0,0,0,0.22);
}

.qr-title {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.qr-room-code {
  margin: -4px 0 0;
  color: var(--brand);
  font-family: "Courier New", monospace;
  font-size: clamp(2rem, 10vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1;
  overflow-wrap: anywhere;
  text-align: center;
}

#qr-container {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  line-height: 0;
}

.qr-url {
  margin: 0;
  color: var(--muted);
  font-family: "Courier New", monospace;
  font-size: 0.72rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  text-align: center;
}

.sound-credit {
  padding: 0 16px 24px;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.sound-credit a {
  color: var(--muted);
}

@media (max-width: 720px) {
  .app-shell {
    padding: 18px 12px 36px;
  }

  .entry-panel {
    margin-top: 12px;
    padding: 22px 16px;
  }

  .room-toolbar {
    top: 52px;
    align-items: flex-start;
  }

  .room-grid {
    grid-template-columns: 1fr;
  }

  .status-panel {
    order: 2;
  }

  .player-panel {
    order: 1;
  }

  .ranking-panel {
    order: 3;
  }

  .buzz-btn {
    min-height: min(48vh, 300px);
  }
}

@media (max-width: 480px) {
  .name-row {
    flex-direction: column;
  }

  .toolbar-actions {
    max-width: 150px;
  }

  .ranking-list li {
    grid-template-columns: 40px minmax(0, 1fr) auto;
  }

  .rank-diff {
    grid-column: 3;
  }
}