/* Tablet (768px to 1024px) */
@media (max-width: 1024px) {
  .tt-page-layout {
    grid-template-columns: 1fr;
  }

  .tt-promo-column {
    min-height: 0;
    border-left: none;
    border-top: 1px solid var(--tt-border-color);
  }

  .tt-container {
    padding: 16px;
  }

  .tt-header {
    margin-bottom: 30px;
    flex-direction: column;
    gap: 15px;
  }

  .tt-header-right {
    width: 100%;
    justify-content: center;
  }

  .tt-stats-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .tt-stat-card {
    padding: 15px;
  }

  .tt-stat-value {
    font-size: 24px;
  }

  .tt-typing-area {
    padding: 30px;
    min-height: 180px;
  }

  .tt-paragraph {
    font-size: 18px;
    line-height: 1.7;
  }

  .tt-main-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .tt-sidebar {
    order: 2;
  }

  .tt-result-content {
    padding: 30px;
  }

  .tt-result-title {
    font-size: 24px;
  }

  .tt-settings-content {
    padding: 20px;
  }
}

/* Mobile (max 767px) */
@media (max-width: 767px) {
  html, body {
    font-size: 14px;
  }

  .tt-container {
    padding: 12px;
    min-height: auto;
  }

  .tt-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .tt-header-left {
    width: 100%;
    justify-content: center;
    flex-direction: column;
  }

  .tt-header-right {
    width: 100%;
    justify-content: center;
  }

  .tt-title {
    font-size: 18px;
  }

  .tt-toggle-btn {
    font-size: 18px;
  }

  .tt-stats-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 20px;
  }

  .tt-stat-card {
    padding: 12px;
  }

  .tt-stat-label {
    font-size: 10px;
  }

  .tt-stat-value {
    font-size: 20px;
  }

  .tt-typing-area {
    padding: 20px;
    min-height: 150px;
    margin-bottom: 20px;
  }

  .tt-paragraph {
    font-size: 16px;
    line-height: 1.6;
    text-align: left;
  }

  .tt-char.tt-current {
    padding: 0 1px;
  }

  .tt-control-panel {
    gap: 8px;
    margin-bottom: 20px;
  }

  .tt-control-panel .tt-btn {
    font-size: 12px;
    padding: 6px 12px;
    min-width: 80px;
  }

  .tt-main-content {
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 20px;
  }

  .tt-keyboard-container {
    padding: 15px;
    display: none;
  }

  .tt-keyboard-container.tt-show-mobile {
    display: block;
  }

  .tt-keyboard {
    gap: 4px;
  }

  .tt-key-row {
    gap: 2px;
  }

  .tt-key {
    min-width: 24px;
    height: 24px;
    font-size: 10px;
    padding: 2px;
  }

  .tt-sidebar {
    order: 2;
  }

  .tt-tips-card {
    padding: 15px;
  }

  .tt-tips-title {
    font-size: 12px;
  }

  .tt-tips-list {
    font-size: 12px;
  }

  .tt-leaderboard-card {
    padding: 15px;
  }

  .tt-leaderboard-title {
    font-size: 12px;
  }

  .tt-leaderboard-list {
    font-size: 12px;
  }

  .tt-leaderboard-item {
    padding: 8px 0;
  }

  .tt-result-modal {
    padding: 10px;
  }

  .tt-result-content {
    padding: 20px;
    max-width: 100%;
  }

  .tt-result-title {
    font-size: 20px;
    margin-bottom: 15px;
  }

  .tt-result-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 15px;
  }

  .tt-result-stat {
    padding: 12px;
  }

  .tt-result-stat-label {
    font-size: 10px;
  }

  .tt-result-stat-value {
    font-size: 16px;
  }

  .tt-rating-section {
    padding: 12px;
    margin-bottom: 15px;
  }

  .tt-rating-text {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .tt-rating-badge {
    font-size: 12px;
    padding: 6px 12px;
  }

  .tt-result-actions {
    gap: 8px;
  }

  .tt-result-actions .tt-btn {
    font-size: 12px;
    padding: 6px 12px;
    min-width: 100px;
  }

  .tt-settings-modal {
    padding: 10px;
  }

  .tt-settings-content {
    padding: 20px;
    max-width: 100%;
    max-height: 90vh;
  }

  .tt-settings-title {
    font-size: 18px;
  }

  .tt-settings-label {
    font-size: 13px;
  }

  .tt-radio-label {
    padding: 6px 12px;
    font-size: 12px;
  }

  .tt-checkbox-label {
    font-size: 13px;
  }

  .tt-slider-group {
    gap: 10px;
  }

  .tt-slider-value {
    font-size: 12px;
  }

  .tt-settings-footer {
    flex-direction: column;
  }

  .tt-settings-footer .tt-btn {
    width: 100%;
  }

  .tt-close-btn {
    font-size: 20px;
    width: 28px;
    height: 28px;
  }

  .tt-empty-state {
    padding: 30px 20px;
  }

  .tt-empty-state-icon {
    font-size: 36px;
  }

  .tt-empty-state-text {
    font-size: 12px;
  }
}

/* Extra Small (max 480px) */
@media (max-width: 480px) {
  .tt-container {
    padding: 8px;
  }

  .tt-header {
    margin-bottom: 15px;
    padding-bottom: 12px;
  }

  .tt-header-left {
    gap: 10px;
  }

  .tt-logo {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .tt-title {
    font-size: 16px;
  }

  .tt-stats-container {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .tt-typing-area {
    padding: 15px;
    min-height: 120px;
  }

  .tt-paragraph {
    font-size: 14px;
    line-height: 1.5;
  }

  .tt-control-panel {
    gap: 6px;
  }

  .tt-control-panel .tt-btn {
    font-size: 11px;
    padding: 5px 10px;
    min-width: 70px;
    flex: 1;
  }

  .tt-keyboard {
    gap: 3px;
  }

  .tt-key-row {
    gap: 2px;
  }

  .tt-key {
    min-width: 20px;
    height: 20px;
    font-size: 9px;
    padding: 1px;
  }

  .tt-result-content {
    padding: 15px;
  }

  .tt-result-title {
    font-size: 18px;
  }

  .tt-result-stats {
    gap: 8px;
  }

  .tt-result-stat {
    padding: 10px;
  }

  .tt-result-stat-value {
    font-size: 14px;
  }

  .tt-settings-content {
    padding: 15px;
  }

  .tt-settings-group {
    margin-bottom: 15px;
  }
}

/* Landscape orientation adjustments */
@media (max-height: 600px) and (orientation: landscape) {
  .tt-container {
    min-height: auto;
    padding: 8px;
  }

  .tt-header {
    margin-bottom: 10px;
  }

  .tt-stats-container {
    gap: 8px;
    margin-bottom: 10px;
  }

  .tt-stat-card {
    padding: 8px;
  }

  .tt-stat-value {
    font-size: 16px;
  }

  .tt-typing-area {
    padding: 15px;
    min-height: 100px;
  }

  .tt-paragraph {
    font-size: 14px;
  }

  .tt-control-panel {
    margin-bottom: 10px;
  }

  .tt-main-content {
    gap: 10px;
  }

  .tt-keyboard-container {
    display: none;
  }
}

/* Print styles */
@media print {
  .tt-container {
    box-shadow: none;
  }

  .tt-result-modal {
    position: static;
    background: none;
  }

  .tt-control-panel,
  .tt-toggle-btn,
  .tt-header-right,
  .tt-keyboard-container,
  .tt-result-actions {
    display: none !important;
  }

  .tt-result-content {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .tt-char.tt-current {
    border-radius: 3px;
  }

  .tt-key {
    border-radius: 6px;
  }
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .tt-char.tt-current {
    animation: none;
    opacity: 1;
    box-shadow: inset 0 0 0 2px var(--tt-primary);
  }
}

/* High contrast mode */
@media (prefers-contrast: more) {
  .tt-char.tt-correct {
    text-decoration: underline solid var(--tt-success);
  }

  .tt-char.tt-incorrect {
    text-decoration: underline wavy var(--tt-danger);
    font-weight: bold;
  }

  .tt-btn {
    border: 2px solid currentColor;
  }
}

/* Focus visible for keyboard navigation */
.tt-btn:focus-visible,
.tt-toggle-btn:focus-visible,
.tt-radio-btn input:focus-visible + .tt-radio-label,
.tt-checkbox-group input:focus-visible,
.tt-slider:focus-visible,
.tt-close-btn:focus-visible {
  outline: 2px solid var(--tt-primary);
  outline-offset: 2px;
}