/* Components layer - all component classes */
@layer components {
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: var(--font-semibold);
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-button);
  }

  .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
  }

  .btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: var(--shadow-button-active);
  }

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

  .btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
  }

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

  .btn-secondary:hover:not(:disabled) {
    background: #059669;
  }

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

  .btn-danger:hover:not(:disabled) {
    background: #dc2626;
  }

  .btn-outline {
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
  }

  .btn-outline:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
  }

  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
  }

  .btn-glow-start {
    animation: start-match-glow 2s ease-in-out infinite;
  }

  .btn-block {
    width: 100%;
  }

  .btn-letter {
    width: 80px;
    height: 80px;
    font-size: 2rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-xl);
  }

  .btn-letter:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .btn-letter:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: var(--shadow-button-active);
  }

  /* Round images */
  .round-image {
    max-width: 300px;
    max-height: 200px;
    margin: 1rem auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  }

  .round-image.flag {
    border: 2px solid var(--border);
  }

  .round-image.silhouette {
    border: 2px solid var(--border);
    background: var(--bg);
  }

  /* Round image scaling on wider screens */
  @media (min-width: 768px) {
    .round-image {
      max-width: 350px;
    }
  }

  @media (min-width: 1024px) {
    .round-image {
      max-width: 400px;
    }
  }

  /* Forms */
  .form-group {
    margin-bottom: 1rem;
  }

  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-semibold);
    color: var(--color-text-light);
  }

  .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: var(--border-width) solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    color: var(--color-text);
    transition: all var(--transition-fast);
    font-family: var(--font-body);
    box-shadow: var(--shadow-sm);
  }

  .form-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(28, 176, 246, 0.2);
  }

  .form-input::placeholder {
    color: var(--color-text-muted);
  }

  .form-input.input-lg {
    padding: 1rem;
    font-size: 1.25rem;
    text-align: center;
    letter-spacing: 0.1em;
  }

  /* Toggle switch */
  .switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
  }

  .switch input {
    opacity: 0;
    width: 0;
    height: 0;
  }

  .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border);
    transition: .3s;
    border-radius: 26px;
  }

  .slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
  }

  input:checked + .slider {
    background-color: var(--danger);
  }

  input:checked + .slider:before {
    transform: translateX(24px);
  }

  /* Room Code Display */
  .room-code {
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    letter-spacing: 0.15em;
    text-align: center;
    color: var(--color-secondary);
    background: var(--color-surface);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-xl);
    font-family: var(--font-mono);
    box-shadow: var(--shadow-md);
    border: var(--border-thick) solid var(--color-secondary);
    display: inline-block;
  }

  .room-code.clickable {
    cursor: pointer;
    transition: all var(--transition-normal);
  }

  .room-code.clickable:hover {
    background: var(--color-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
  }

  .room-code-label {
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--text-sm);
    margin-bottom: 0.5rem;
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .room-code-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
  }

  .copy-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--color-text-light);
    transition: color 0.2s;
  }

  .copy-btn:hover {
    color: var(--color-secondary);
  }

  .copy-toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-surface);
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    animation: fadeInOut 1.5s ease-in-out;
  }

  @keyframes fadeInOut {
    0%, 100% { opacity: 0; }
    20%, 80% { opacity: 1; }
  }

  /* Player List */
  .player-list {
    list-style: none;
  }

  .player-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
  }

  .player-item:last-child {
    margin-bottom: 0;
  }

  .player-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .player-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
    color: var(--color-text-inverse);
    border: 3px solid var(--color-secondary);
    box-shadow: var(--shadow-sm);
    font-family: var(--font-display);
  }

  /* Per-player color differentiation */
  .player-item:nth-child(1) .player-avatar {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
  }
  .player-item:nth-child(2) .player-avatar {
    background: var(--color-primary);
    border-color: var(--color-primary);
  }
  .player-item:nth-child(3) .player-avatar {
    background: var(--color-accent);
    border-color: var(--color-accent);
  }
  .player-item:nth-child(4) .player-avatar {
    background: var(--color-warning);
    border-color: var(--color-warning);
  }

  .player-name {
    font-weight: 500;
  }

  /* Disconnected player indicator */
  .player-disconnected {
    opacity: 0.5;
  }

  .player-disconnected .player-status {
    color: var(--color-warning, #f59e0b);
    font-size: 0.75rem;
    margin-left: 0.5rem;
  }

  /* Player score class - replaces inline style */
  .player-score {
    font-weight: var(--font-semibold);
    font-size: var(--text-xl);
    font-family: var(--font-display);
    color: var(--color-text);
  }

  /* Position medal for scoreboard */
  .position-medal {
    font-size: var(--text-lg);
    margin-right: var(--space-1);
  }

  .player-badge {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: var(--color-neutral-200);
    color: var(--color-text);
    font-weight: var(--font-semibold);
    font-family: var(--font-body);
  }

  .player-badge.host {
    background: var(--color-warning);
    color: var(--color-neutral-800);
    font-weight: var(--font-bold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
  }

  .player-badge.you {
    background: var(--color-secondary);
    color: var(--color-text-inverse);
  }

  /* Status */
  .status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    font-weight: var(--font-medium);
  }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-neutral-300);
  }

  .status.connected .status-dot {
    background: var(--color-success);
  }

  .status.connecting .status-dot {
    background: var(--color-warning);
  }

  .status.disconnected .status-dot {
    background: var(--color-danger);
  }

  /* Error components */
  .error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
  }

  .error-message {
    background: var(--danger);
    color: white;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
  }

  /* Loading */
  .loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
  }

  .spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
  }

  .spinner-small {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    margin-right: 0.5rem;
    vertical-align: middle;
  }

  /* Privacy components */
  .privacy-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
  }

  .privacy-badge.private {
    background: var(--danger);
    color: white;
  }

  .privacy-badge.public {
    background: var(--success);
    color: white;
  }

  .privacy-icon {
    width: 14px;
    height: 14px;
    display: inline-block;
  }

  /* Connection indicator dot - fixed in header */
  .connection-indicator {
    position: absolute;
    top: 50%;
    right: var(--space-4);
    transform: translateY(-50%);
  }

  .connection-dot {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-neutral-300);
    transition: background var(--transition-fast);
  }

  .connection-dot.connected {
    background: var(--color-success);
    animation: pulse 2s ease-in-out infinite;
  }

  .connection-dot.connecting,
  .connection-dot.joining,
  .connection-dot.reconnecting {
    background: var(--color-warning);
    animation: pulse 1s ease-in-out infinite;
  }

  .connection-dot.disconnected {
    background: var(--color-danger);
  }

  /* Responsive: larger dot on mobile */
  @media (max-width: 640px) {
    .connection-dot {
      width: 16px;
      height: 16px;
    }
  }

  /* Avatar dots for player count */
  .player-dots {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    margin-bottom: var(--space-4);
  }

  .player-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--color-neutral-300);
    transition: all var(--transition-fast);
  }

  .player-dot.filled {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
  }

  .player-dot.empty {
    background: transparent;
  }

  /* Header */
  .header {
    position: relative;
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
  }

  .header-streak {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    position: relative;
  }

  .header-streak .streak-count {
    color: var(--color-primary);
  }

  .header p {
    color: var(--text-muted);
  }

  /* Divider */
  .divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
  }

  .divider::before,
  .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
  }

  /* Round type styling */
  .round-kind-calc {
    background: var(--color-round-calc);
  }

  .round-kind-word {
    background: var(--color-round-word);
    color: var(--color-text-inverse);
  }

  .round-kind-flag {
    background: var(--color-round-flag);
  }

  .round-kind-silhouette {
    background: var(--color-round-silhouette);
    color: var(--color-text-inverse);
  }

  .round-kind-capital {
    background: var(--color-round-capital);
    color: var(--color-text-inverse);
  }

  .round-kind-currency {
    background: var(--color-round-currency);
    color: var(--color-text-inverse);
  }

  /* Prompt styling by round type */
  .prompt-calc {
    font-size: 1.75rem;
    min-height: 2.5rem;
    font-family: 'Monaco', 'Consolas', monospace;
  }

  .prompt-word {
    font-size: 2.5rem;
    min-height: 3rem;
    font-family: 'Monaco', 'Consolas', monospace;
    letter-spacing: 0.15em;
    text-transform: lowercase;
  }

  .prompt-flag {
    font-size: 1.5rem;
    min-height: 2rem;
    font-weight: 500;
  }

  .prompt-silhouette {
    font-size: 1.5rem;
    min-height: 2rem;
    font-weight: 500;
  }

  .prompt-capital {
    font-size: 1.5rem;
    min-height: 2rem;
    font-weight: 500;
  }

  .prompt-currency {
    font-size: 1.5rem;
    min-height: 2rem;
    font-weight: 500;
  }

  /* Timer Ring - SVG circular countdown */
  .timer-ring-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
  }

  .timer-ring {
    /* SVG element - size set via HTML attributes */
  }

  .timer-ring-bg {
    stroke: var(--color-neutral-200);
    fill: none;
    stroke-width: 3;
  }

  .timer-ring-progress {
    stroke: var(--color-secondary);
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 106.81;
    stroke-dashoffset: 0;
    transition: stroke var(--transition-fast);
  }

  .timer-ring-container.timer-urgent .timer-ring-progress {
    stroke: var(--color-danger);
  }

  .timer-ring-value {
    position: absolute;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    font-family: var(--font-display);
    color: var(--color-text);
  }

  .round-info-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .round-timer-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  /* Choice feedback - vivid glow effects */
  .choice-correct {
    background: var(--color-success) !important;
    color: white !important;
    box-shadow: 0 0 0 4px rgba(42, 144, 96, 0.3), var(--shadow-button) !important;
    border-color: var(--color-success) !important;
  }

  .choice-wrong {
    background: var(--color-danger) !important;
    color: white !important;
    box-shadow: 0 0 0 4px rgba(255, 75, 75, 0.3), var(--shadow-button) !important;
    border-color: var(--color-danger) !important;
  }

  .choice-selected {
    background: var(--color-secondary) !important;
    color: white !important;
    border-color: var(--color-secondary) !important;
  }

  /* Timer urgency */
  .timer-urgent {
    color: var(--danger);
  }

  .timer-urgent #timerValue {
    font-weight: 700;
    font-size: 1.25em;
  }

  /* Timer frozen state */
  .timer-frozen {
    opacity: 0.7;
  }

  /* Score changed animation trigger */
  .score-changed {
  }

  /* Round result banners - colored cards for win/lose/miss/timeout */
  .round-result-win {
    background: rgba(42, 144, 96, 0.12);
    border: 2px solid var(--color-success);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
  }

  .round-result-win .result-message {
    color: var(--color-success);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    font-family: var(--font-display);
    display: block;
    text-align: center;
  }

  .round-result-lose {
    background: rgba(255, 75, 75, 0.12);
    border: 2px solid var(--color-danger);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
  }

  .round-result-lose .result-message {
    color: var(--color-danger);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    font-family: var(--font-display);
    display: block;
    text-align: center;
  }

  .round-result-miss {
    background: rgba(255, 150, 0, 0.12);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
  }

  .round-result-miss .miss-message {
    color: var(--color-accent);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    font-family: var(--font-display);
    display: block;
    text-align: center;
  }

  .round-result-miss .correct-answer {
    color: var(--text-muted);
    font-size: var(--text-sm);
    display: block;
    text-align: center;
    margin-top: var(--space-2);
  }

  .round-result-timeout {
    background: var(--color-neutral-100);
    border: 2px solid var(--color-neutral-300);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
  }

  .round-result-timeout .result-message {
    color: var(--color-text-light);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    font-family: var(--font-display);
    display: block;
    text-align: center;
  }

  /* History link */
  .history-link {
    display: inline-block;
    margin-top: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.15s ease;
  }

  .history-link:hover {
    color: var(--primary);
  }

  /* Mode Badges */
  .mode-badge {
    font-size: 0.65rem;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 600;
  }

  .mode-badge.practice {
    background: var(--danger);
    color: white;
  }

  .mode-badge.multiplayer {
    background: var(--success);
    color: white;
  }

  /* Round kind badges in table */
  .round-kind-badge {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    text-transform: capitalize;
    font-weight: var(--font-semibold);
    font-family: var(--font-body);
  }

  .round-kind-badge.calc { background: var(--color-round-calc); color: var(--color-text-inverse); }
  .round-kind-badge.word { background: var(--color-round-word); color: var(--color-text-inverse); }
  .round-kind-badge.flag { background: var(--color-round-flag); color: var(--color-text-inverse); }
  .round-kind-badge.silhouette { background: var(--color-round-silhouette); color: var(--color-text-inverse); }
  .round-kind-badge.capital { background: var(--color-round-capital); color: var(--color-text-inverse); }
  .round-kind-badge.currency { background: var(--color-round-currency); color: var(--color-text-inverse); }

  /* Settings components */
  .mode-cards {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
  }

  .mode-card {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    cursor: pointer;
    transition: all 0.15s ease;
    min-width: 60px;
  }

  .mode-card:hover:not(.disabled) {
    border-color: var(--primary);
  }

  .mode-card.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
  }

  .mode-card.disabled {
    opacity: 0.6;
    cursor: default;
  }

  .mode-card-icon {
    font-size: 1.25rem;
  }

  .mode-card-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  .difficulty-container {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .difficulty-selector {
    display: flex;
    gap: 0.5rem;
  }

  .difficulty-btn {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md, 0.5rem);
    background: var(--color-surface, #fff);
    color: var(--color-text-muted);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
  }

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

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

  .calc-ops-selector {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 0.3rem;
  }
  /* Toggles row: two toggles side by side */
  .settings-toggles-row {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-5);
  }
  .settings-toggles-row .settings-group {
    flex: 1;
    margin-bottom: 0;
  }
  .toggle-inline {
    display: flex;
    align-items: center;
    gap: var(--space-2);
  }
  .pacing-label {
    font-size: var(--text-base);
  }
  .pacing-slider {
    background-color: var(--color-primary) !important;
  }
  input:checked + .pacing-slider {
    background-color: var(--color-secondary) !important;
  }
  .calc-op-btn {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 2px solid var(--border);
    border-radius: 50%;
    background: var(--color-surface, #fff);
    color: var(--color-text-muted);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .calc-op-btn:hover {
    border-color: var(--primary);
    color: var(--color-text);
  }
  .calc-op-btn.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: white;
    animation: calc-op-glow 2s ease-in-out infinite;
  }

  .settings-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
  }

  .settings-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.6rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.8rem;
  }

  .settings-badge-icon {
    font-size: 0.9rem;
  }

  .settings-badge-label {
    font-weight: 500;
  }

  .settings-badge-hint {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-left: 0.25rem;
  }

  /* Collapsible settings panel */
  .settings-summary-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    margin-bottom: var(--space-3);
  }

  .settings-summary-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
  }

  /* Row for label and edit button */
  .settings-label-edit-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
  }

  /* Pencil icon button for settings expand/collapse */
  .settings-edit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 0 var(--space-3);
    border: none;
    border-radius: var(--radius-full);
    background: var(--color-neutral-100);
    color: var(--color-neutral-600);
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .settings-edit-btn:hover {
    background: var(--color-neutral-200);
    color: var(--color-neutral-700);
  }

  .settings-edit-btn:active {
    transform: scale(0.95);
  }

  .settings-edit-btn svg {
    width: 18px;
    height: 18px;
  }

  /* Rotate icon when expanded */
  .settings-edit-btn[aria-expanded="true"] svg {
    transform: rotate(45deg);
  }

  .settings-collapsible {
    overflow: hidden;
    transition: max-height var(--transition-normal), opacity var(--transition-fast);
    max-height: 800px;
    opacity: 1;
    margin-bottom: var(--space-4);
  }

  .settings-collapsible.collapsed {
    max-height: 0;
    opacity: 0;
  }

  .guest-badges-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: var(--space-5);
  }

  .setting-changed {
  }

  /* Mascot */
  .mascot-area {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding: 0 var(--space-2);
  }

  .mascot-container {
    flex-shrink: 0;
    width: 100px;
  }

  .mascot-svg {
    width: 100%;
    height: auto;
    animation: mascot-float 3s ease-in-out infinite;
    cursor: pointer;
    transition: transform 0.3s ease;
  }

  .mascot-svg:hover {
    transform: scale(1.05);
  }

  .mascot-speech-bubble {
    position: relative;
    background: var(--color-neutral-50);
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-3);
    font-size: 0.85rem;
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
  }

  .sp-lobby-mascot-row .mascot-speech-bubble {
    margin-top: -20px; /* Align with mascot mouth */
  }

  .mascot-speech-bubble::before {
    content: '';
    position: absolute;
    left: -8px;
    bottom: 50%;
    transform: translateY(50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-right: 8px solid var(--color-neutral-50);
  }

  /* Mascot SVG internal styles */
  .mascot-body { fill: url(#bodyGradient); }
  .mascot-limb { fill: #FFCC80; stroke: #E6B06E; stroke-width: 2; stroke-linecap: round; }
  .mascot-eye { fill: #333333; }
  .mascot-eye-shine { fill: #FFFFFF; opacity: 0.8; }
  .mascot-blush { fill: #FFCDD2; opacity: 0.6; }
  .mascot-mouth { fill: none; stroke: #333333; stroke-width: 3; stroke-linecap: round; }
  .mascot-sprout { fill: #81C784; stroke: #66BB6A; stroke-width: 1; stroke-linejoin: round; }
  .mascot-shadow { fill: rgba(0,0,0,0.1); }

  /* Corner mascot for game screen */
  .mascot-corner {
    position: fixed;
    bottom: var(--space-4);
    left: var(--space-4);
    width: 60px;
    z-index: var(--z-sticky);
    cursor: pointer;
    transition: transform 0.3s ease;
  }

  .mascot-corner .mascot-svg {
    width: 60px;
    height: auto;
  }

  .mascot-corner .mascot-body {
    fill: url(#bodyGradientGame);
  }

  .mascot-corner .mascot-speech-bubble {
    font-size: var(--text-xs);
    padding: var(--space-1) var(--space-2);
    min-width: auto;
    white-space: nowrap;
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: var(--space-2);
  }

  .mascot-corner .mascot-speech-bubble::before {
    left: -8px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
  }

  /* Reaction states */
  .mascot-happy .mascot-body {
    fill: #C8E6C9 !important;
  }
  .mascot-happy .mascot-mouth {
    stroke-width: 4;
  }

  .mascot-sad .mascot-body {
    fill: #FFCDD2 !important;
  }
  .mascot-sad .mascot-eye {
    transform: scaleY(0.6);
    animation: none;
  }

  /* Mobile media query for corner mascot */
  @media (max-width: 640px) {
    .mascot-corner {
      width: 40px;
      bottom: var(--space-3);
      left: var(--space-2);
    }
    .mascot-corner .mascot-svg {
      width: 40px;
    }
    .mascot-corner .mascot-speech-bubble {
      font-size: 0.65rem;
      padding: var(--space-1);
    }
  }

  /* Desktop mascot repositioning */
  @media (min-width: 1024px) {
    .mascot-area .mascot-container {
      width: 140px;
    }

    .mascot-corner {
      width: 100px;
      bottom: 50%;
      transform: translateY(50%);
      left: calc(50% - 360px);
    }

    .mascot-corner .mascot-svg {
      width: 100px;
    }

    .mascot-corner .mascot-speech-bubble {
      font-size: var(--text-sm);
      padding: var(--space-2) var(--space-3);
    }
  }

  .settings-section {
    margin-bottom: 1rem;
  }

  .settings-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-start;
    justify-content: space-between;
  }

  .settings-group {
    margin-bottom: var(--space-5);
  }

  .settings-group:last-child {
    margin-bottom: 0;
  }

  .settings-group-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  /* Settings panel specific styles */
  .settings-panel .settings-group-room-code {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-neutral-200);
  }

  .settings-panel .settings-group-players {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-neutral-200);
  }

  /* Round slider styles */
  .slider-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
  }

  .round-slider {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-neutral-200);
    border-radius: 4px;
    cursor: pointer;
  }

  .round-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    transition: transform 0.15s ease;
  }

  .round-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
  }

  .round-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-primary);
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease;
  }

  .round-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
  }

  .slider-value-label {
    font-weight: var(--font-bold);
    font-size: var(--text-lg);
    min-width: 2.5rem;
    text-align: center;
    color: var(--color-primary);
  }


  /* Mode cards container disabled state for guests */
  .mode-cards.disabled {
    pointer-events: none;
    opacity: 0.6;
  }

  /* Match end celebration styles */
  .match-winner-banner {
    background: linear-gradient(135deg, #FFF8E1, #FFECB3);
    border: 2px solid #FFC800;
    text-align: center;
    padding: var(--space-8) var(--space-5);
    border-radius: var(--radius-xl);
    animation: winner-entrance 0.5s ease-out;
  }

  .winner-trophy {
    font-size: 3rem;
    margin-bottom: var(--space-2);
    display: block;
  }

  .winner-name {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
  }

  .winner-subtitle {
    color: var(--color-text-light);
    font-size: var(--text-lg);
  }

  .match-gameover-banner {
    background: var(--color-neutral-100);
    border: 2px solid var(--color-neutral-300);
    text-align: center;
    padding: var(--space-8) var(--space-5);
    border-radius: var(--radius-xl);
  }

  .player-item-winner {
    background: linear-gradient(135deg, #FFF8E1, #FFFDE7);
    border: 2px solid var(--color-warning);
  }

  .player-badge-winner {
    background: var(--color-warning);
    color: var(--color-neutral-800);
    font-weight: var(--font-bold);
  }

  .match-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-top: var(--space-5);
  }

  .index-card {
    padding: var(--space-5);
  }

  /* Screen panels */
  .screen {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
  }

  .screen.screen-hidden {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
  }

.player-greeting {
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.join-error {
  color: var(--color-danger, #cc4422);
  font-size: 0.85rem;
  margin-top: 0.35rem;
  text-align: center;
}

.code-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border, #E5E7EB);
  border-top-color: var(--color-primary, #58CC02);
  border-radius: 50%;
  margin: 0.35rem auto 0;
  animation: spin 0.6s linear infinite;
}

.code-spinner.hidden {
  display: none;
}

.join-error.hidden {
  display: none;
}


  .page-logo {
    display: flex;
    justify-content: center;
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
  }

  .page-logo img {
    width: 90px;
    height: auto;
    display: block;
  }

  /* Single Player Lobby */
  .sp-lobby {
    text-align: center;
  }

  .sp-lobby-greeting {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
  }

  .sp-lobby-player-name {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
    animation: sp-name-appear 0.8s ease-out both;
  }

  @keyframes sp-name-appear {
    0% {
      opacity: 0;
      transform: translateY(10px) scale(0.9);
      filter: blur(4px);
    }
    60% {
      opacity: 1;
      transform: translateY(-3px) scale(1.05);
      filter: blur(0);
    }
    100% {
      opacity: 1;
      transform: translateY(0) scale(1);
      filter: blur(0);
    }
  }

  .sp-lobby-mascot-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }

  .sp-lobby-mascot {
    width: 120px;
    flex-shrink: 0;
  }

  .sp-lobby-mascot .mascot-svg {
    animation: sp-mascot-bob 2s ease-in-out infinite;
  }

  .sp-lobby-start-btn {
    font-size: var(--text-xl);
    padding: 1.25rem 2rem;
    animation: sp-btn-pulse 2s ease-in-out infinite;
    margin-top: var(--space-3);
  }

  .sp-options-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
    white-space: nowrap;
    margin-right: var(--space-1);
  }

  .sp-toggle-group {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
  }

  .sp-toggle-btn {
    flex: 1;
    min-width: 70px;
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
  }

  .sp-toggle-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
  }

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

  .sp-back-btn {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
  }

  /* Single Player Round Feedback Overlay */
  .sp-round-feedback {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-8);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    text-align: center;
    animation: sp-feedback-flash 0.3s ease-out;
  }

  .sp-round-feedback.hiding {
    animation: sp-feedback-hide 0.3s ease-out forwards;
  }

  .sp-feedback-icon {
    font-size: 3rem;
    margin-bottom: var(--space-2);
  }

  .sp-feedback-icon.correct {
    color: var(--color-success);
  }

  .sp-feedback-icon.wrong {
    color: var(--color-danger);
  }

  .sp-feedback-icon.timeout {
    color: var(--color-text-muted);
  }

  .sp-feedback-time {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    color: var(--color-text);
  }

  /* SP Loading overlay between rounds */
  .sp-inter-round-loader {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: var(--z-modal);
  }

  .sp-inter-round-loader .spinner {
    width: 48px;
    height: 48px;
    border-width: 4px;
  }

  /* Horizontal Scoreboard */
  .scoreboard-card {
    position: relative;
  }

  .scoreboard-row {
    position: relative;
    display: flex;
    flex-direction: row;
    gap: var(--space-2);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-2) var(--space-1);
    margin: 0 calc(-1 * var(--space-3));
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .player-card {
    flex: 0 0 auto;
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-neutral-200);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-1);
    scroll-snap-align: start;
    box-shadow: var(--shadow-sm);
  }

  .player-card-name {
    flex: 1 1 0;
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
  }

  .player-card-score {
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    font-family: var(--font-display);
    color: var(--color-text);
  }

  .player-card-current {
    border-color: var(--color-warning);
    background: rgba(255, 200, 0, 0.12);
    animation: current-player-pulse 2s ease-in-out infinite;
  }

  .score-increased {
    animation: score-flash 0.4s ease-out;
  }

  /* Edge fade gradients */
  .scoreboard-row::before,
  .scoreboard-row::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 20px;
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.2s ease;
  }

  .scoreboard-row::before {
    left: 0;
    background: linear-gradient(to right, var(--color-surface), transparent);
  }

  .scoreboard-row::after {
    right: 0;
    background: linear-gradient(to left, var(--color-surface), transparent);
  }

  .scoreboard-row.scroll-left::before {
    opacity: 1;
  }

  .scoreboard-row.scroll-right::after {
    opacity: 1;
  }
}