.page-reaction {
  padding: 12px;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.reaction-container {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reaction-header {
  text-align: center;
  margin-bottom: 4px;
}

.reaction-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--t-text-primary, #f8fafc);
  margin: 0 0 4px 0;
}

.reaction-subtitle {
  font-size: 14px;
  color: var(--t-text-secondary, #94a3b8);
  margin: 0;
}

/* Keyboard and hands container */
.reaction-container .kb-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.reaction-container .kb-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 16px;
  width: 100%;
}

.reaction-container .kb-hand-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
}

.reaction-container .kb-hand-wrap-left {
  margin-right: 8px;
}

.reaction-container .kb-hand-wrap-right {
  margin-left: 8px;
}

.reaction-container .kb-hand {
  width: 120px;
  height: auto;
  max-width: 120px;
}

.reaction-container .keyboard {
  flex-shrink: 0;
}

.reaction-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--t-surface, rgba(255,255,255,0.03));
  border-radius: 12px;
  border: 1px solid var(--t-border, rgba(255,255,255,0.08));
}

.reaction-stat {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.reaction-stat-label {
  font-size: 14px;
  color: var(--t-text-muted, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reaction-stat-value {
  font-size: 20px;
  font-weight: 700;
  color: #38bdf8;
  font-variant-numeric: tabular-nums;
}

.reaction-stat-unit {
  font-size: 11px;
  color: var(--t-text-muted, #64748b);
}

.reaction-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.reaction-controls .reaction-btn {
  padding: 10px 24px;
  font-size: 13px;
  border-radius: 10px;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.reaction-controls .reaction-btn.hidden {
  display: none;
}

.reaction-btn {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 2px solid transparent;
}

.reaction-btn-primary {
  background: #38bdf8;
  color: #ffffff;
  border-color: #38bdf8;
}

.reaction-btn-primary:hover {
  background: #0ea5e9;
  border-color: #0ea5e9;
  transform: translateY(-1px);
}

.reaction-btn-secondary {
  background: transparent;
  color: var(--t-text-secondary, #94a3b8);
  border-color: var(--t-border, rgba(255,255,255,0.2));
}

.reaction-btn-secondary:hover {
  border-color: #38bdf8;
  color: #38bdf8;
}

/* Light theme */
[data-theme="light"] .reaction-title {
  color: #0f172a;
}

[data-theme="light"] .reaction-subtitle {
  color: #475569;
}

[data-theme="light"] .reaction-description {
  color: #64748b;
}

[data-theme="light"] .reaction-stats {
  background: #f8fafc;
  border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .reaction-stat-label {
  color: #64748b;
}

[data-theme="light"] .reaction-stat-value {
  color: #0ea5e9;
}

[data-theme="light"] .reaction-stat-unit {
  color: #94a3b8;
}

[data-theme="light"] .reaction-status {
  color: #475569;
}

[data-theme="light"] .reaction-btn-secondary {
  color: #475569;
  border-color: rgba(0,0,0,0.15);
}

[data-theme="light"] .reaction-btn-secondary:hover {
  border-color: #38bdf8;
  color: #38bdf8;
}

/* Modal */
.reaction-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.reaction-modal.hidden {
  display: none;
}

.reaction-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.reaction-modal-content {
  position: relative;
  background: var(--t-surface, #1e293b);
  border: 1px solid var(--t-border, rgba(255,255,255,0.1));
  border-radius: 20px;
  padding: 32px;
  min-width: 320px;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.reaction-modal-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--t-text-primary, #f8fafc);
  margin: 0 0 24px 0;
}

.reaction-modal-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.reaction-modal-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  background: rgba(255,255,255,0.05);
  border-radius: 12px;
}

.reaction-modal-stat-label {
  font-size: 12px;
  color: var(--t-text-muted, #64748b);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reaction-modal-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #38bdf8;
  font-variant-numeric: tabular-nums;
}

.reaction-modal-stat-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.reaction-modal-stat-unit {
  font-size: 14px;
  color: var(--t-text-muted, #64748b);
  font-weight: 500;
}

.reaction-modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.reaction-modal-actions .reaction-btn {
  padding: 10px 20px;
  font-size: 14px;
  flex: 0 0 auto;
  min-width: 120px;
  text-decoration: none;
}

/* Light theme - Modal */
[data-theme="light"] .reaction-modal-content {
  background: #ffffff;
  border-color: rgba(0,0,0,0.1);
}

[data-theme="light"] .reaction-modal-stat {
  background: #f1f5f9;
}

/* Time selector */
.reaction-time-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px;
  background: var(--t-surface, rgba(255,255,255,0.03));
  border-radius: 10px;
  border: 1px solid var(--t-border, rgba(255,255,255,0.08));
  min-height: 46px;
}

.reaction-time-selector.hidden {
  display: none;
}

.reaction-time-label {
  font-size: 12px;
  color: var(--t-text-muted, #64748b);
  margin: 0 6px 0 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reaction-time-btn {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  background: transparent;
  color: var(--t-text-secondary, #94a3b8);
}

.reaction-time-btn:hover {
  background: rgba(56,189,248,0.1);
  color: #38bdf8;
}

.reaction-time-btn.active {
  background: #38bdf8;
  color: #ffffff;
}

/* Timer display */
.reaction-timer {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  color: #38bdf8;
  font-variant-numeric: tabular-nums;
  padding: 8px;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reaction-timer.hidden {
  display: none;
}

.reaction-timer.warning {
  color: #f87171;
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Light theme - Time selector */
[data-theme="light"] .reaction-time-selector {
  background: #f1f5f9;
  border-color: rgba(0,0,0,0.08);
}

[data-theme="light"] .reaction-time-label {
  color: #64748b;
}

[data-theme="light"] .reaction-time-btn {
  color: #475569;
}

[data-theme="light"] .reaction-time-btn:hover {
  background: rgba(56,189,248,0.15);
  color: #0ea5e9;
}

[data-theme="light"] .reaction-time-btn.active {
  background: #0ea5e9;
  color: #ffffff;
}

[data-theme="light"] .reaction-timer {
  color: #0ea5e9;
}

[data-theme="light"] .reaction-timer.warning {
  color: #ef4444;
}

/* Mobile */
@media (max-width: 640px) {
  .page-reaction {
    padding: 8px;
  }
  
  .reaction-title {
    font-size: 20px;
  }
  
  .reaction-subtitle {
    font-size: 13px;
  }
  
  .reaction-stats {
    gap: 12px;
    padding: 10px;
  }
  
  .reaction-stat-value {
    font-size: 16px;
  }
  
  .reaction-btn {
    padding: 10px 20px;
    font-size: 13px;
  }
  
  .reaction-container .kb-hand {
    width: 60px;
    max-width: 60px;
  }
  
  .reaction-container .kb-row {
    gap: 6px;
  }
  
  .reaction-container .kb-hand-wrap-left {
    margin-right: 3px;
  }
  
  .reaction-container .kb-hand-wrap-right {
    margin-left: 3px;
  }
  
  .reaction-modal-content {
    padding: 24px 20px;
    min-width: 280px;
  }
  
  .reaction-modal-title {
    font-size: 20px;
  }
  
  .reaction-modal-stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  
  .reaction-modal-stat-value {
    font-size: 22px;
  }
  
  .reaction-modal-actions .reaction-btn {
    padding: 8px 16px;
    font-size: 13px;
    min-width: 100px;
  }
}