:root {
  --bg: #f0f0f0;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #666666;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #dbeafe;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --border: #d4d4d4;
  --radius: 4px;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  line-height: 1.5;
}

body.page-play {
  display: flex;
  flex-direction: column;
}

.top-dock {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: 1rem 1.5rem 0.5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.page-toggle {
  text-decoration: none;
  text-align: center;
}

.profile-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.profile-top-row .label {
  margin-bottom: 0;
}

.main-play {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
}

.profile-card {
  margin-top: auto;
}

.main-leaderboard {
  padding-top: 0.5rem;
}

.secure-banner {
  max-width: 640px;
  margin: 1rem auto 0;
  padding: 0.75rem 1rem;
  background: #fef9c3;
  border: 1px solid #ca8a04;
  color: #713f12;
  font-size: 0.875rem;
}

.secure-banner.hidden {
  display: none;
}

.secure-banner a {
  color: var(--primary);
  font-weight: 600;
}

.header {
  text-align: center;
  padding: 1.5rem 1.5rem 0.5rem;
}

.header h1,
.page-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.tagline,
.page-subtitle {
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-size: 0.9rem;
}

.main {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.main-wide {
  max-width: 720px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
}

.label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

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

.username-row {
  display: flex;
  gap: 0.5rem;
}

.profile-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.uuid-display {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: ui-monospace, monospace;
  word-break: break-all;
}

.counter-display {
  text-align: center;
  margin-bottom: 1.25rem;
}

.counter-value {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--primary);
}

.counter-value.bump {
  color: var(--primary-hover);
}

.mic-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.mic-btn {
  width: 72px;
  height: 72px;
  border: 2px solid var(--primary);
  background: var(--surface);
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mic-btn:hover {
  background: var(--primary-light);
}

.mic-btn.active {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

.mic-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.mic-icon {
  width: 32px;
  height: 32px;
}

.mic-status {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.sensitivity-wrap {
  border: 1px solid var(--border);
  padding: 0.75rem;
  margin-bottom: 1rem;
  background: var(--bg);
}

.sensitivity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.sensitivity-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.slider {
  width: 100%;
  height: 4px;
  appearance: none;
  background: var(--border);
  outline: none;
}

.slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: none;
  cursor: pointer;
}

.slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: none;
  cursor: pointer;
}

.visualizer-wrap {
  border: 1px solid var(--border);
  padding: 0.75rem;
  margin-bottom: 1rem;
  background: var(--bg);
}

.visualizer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.mic-level-text {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.mic-level-text.active {
  color: var(--primary);
}

.mic-visualizer {
  width: 100%;
  height: 64px;
  display: block;
  background: #e5e5e5;
  border: 1px solid var(--border);
}

.level-meter {
  margin-top: 0.5rem;
  height: 4px;
  background: var(--border);
  overflow: hidden;
}

.level-bar {
  height: 100%;
  width: 0%;
  background: var(--primary);
}

.transcript-box {
  border: 1px solid var(--border);
  padding: 0.75rem;
  margin-bottom: 1rem;
  background: var(--bg);
}

.transcript-text {
  font-size: 0.875rem;
  min-height: 1.5em;
}

.counter-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
}

.btn:hover {
  background: var(--bg);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text-muted);
}

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

.btn-danger:hover {
  background: var(--danger);
  color: white;
}

.my-rank {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  margin-bottom: 1rem;
  background: var(--primary-light);
  border: 1px solid var(--primary);
}

.my-rank.hidden {
  display: none;
}

.my-rank-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.leaderboard-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
}

.leaderboard-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.leaderboard-list li:last-child {
  border-bottom: none;
}

.leaderboard-list li.you {
  background: var(--primary-light);
}

.leaderboard-rank {
  font-weight: 600;
  color: var(--text-muted);
  min-width: 2.5rem;
  font-size: 0.875rem;
}

.leaderboard-name {
  flex: 1;
  font-weight: 500;
  font-size: 0.875rem;
}

.leaderboard-count {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
}

.leaderboard-empty {
  justify-content: center;
  color: var(--text-muted);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.pagination.hidden {
  display: none;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.page-ellipsis {
  padding: 0 0.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.modal-content {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
  max-width: 420px;
  width: 100%;
}

.modal-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.modal-content p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  background: var(--surface);
}

.input-inline {
  flex: 1;
}

.input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 0;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: white;
  padding: 0.6rem 1rem;
  font-size: 0.875rem;
  z-index: 200;
  border: 1px solid var(--text);
}

.toast.hidden {
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 480px) {
  .header {
    padding: 1rem 1rem 0.25rem;
  }

  .main {
    padding: 0.75rem 1rem 1rem;
  }

  .counter-value { font-size: 3rem; }
  .username-row { flex-direction: column; }
  .username-row .btn { width: 100%; }
  .profile-top-row { flex-wrap: wrap; }
  .profile-actions { flex-direction: column; }
  .profile-actions .btn { width: 100%; }
  .counter-actions { flex-direction: column; }
  .counter-actions .btn { width: 100%; }
  .pagination { flex-direction: column; }

  .toast {
    bottom: max(1rem, env(safe-area-inset-bottom));
    left: 1rem;
    right: 1rem;
    transform: none;
    text-align: center;
  }
}