/* Virtual Keyboard Styles with Multiple Skins */

/* Base keyboard styles */
.virtual-keyboard {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4);
  border-radius: var(--radius-2xl);
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  user-select: none;
  font-family: var(--font-family-sans);
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
}

.keyboard-row:last-child {
  margin-bottom: 0;
}

.keyboard-key {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: var(--space-1);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
}

.keyboard-key:hover {
  background: var(--bg-secondary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.keyboard-key:active,
.keyboard-key.pressed {
  transform: translateY(0);
  background: var(--primary-color);
  color: var(--text-inverse);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.keyboard-key.highlighted {
  background: var(--accent-color) !important;
  color: var(--text-inverse) !important;
  box-shadow: 0 0 12px rgba(124, 214, 250, 0.397), 0 0 24px rgba(100, 211, 255, 0.205), inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
  transform: translateY(-2px) scale(1.05) !important;
  z-index: 10;
  position: relative;
  animation: keyPress 0.3s ease-out;
}

@keyframes keyPress {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-3px) scale(1.1);
  }
  100% {
    transform: translateY(-2px) scale(1.05);
  }
}

/* Key content layout */
.keyboard-key .key-shift {
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: var(--text-xs);
  opacity: 0.7;
}

.keyboard-key .key-normal {
  position: absolute;
  bottom: 2px;
  left: 4px;
  font-size: var(--text-sm);
}

/* Shift state */
.virtual-keyboard.shift-active .key-shift {
  opacity: 1;
  font-weight: var(--font-semibold);
}

.virtual-keyboard.shift-active .key-normal {
  opacity: 0.5;
}

/* Special key sizes */
.special-key {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.tab-key {
  min-width: 60px;
}

.caps-key {
  min-width: 70px;
}

.shift-key {
  min-width: 80px;
}

.enter-key {
  min-width: 70px;
}

.backspace-key {
  min-width: 60px;
}

.space-key {
  min-width: 200px;
  flex-grow: 1;
}

.ctrl-key,
.alt-key {
  min-width: 50px;
}

/* Active states for special keys */
.shift-key.active {
  background: var(--warning-color);
  color: var(--text-inverse);
}

/* Modern Skin */
.keyboard-modern {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.keyboard-modern .keyboard-key {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.keyboard-modern .keyboard-key:hover {
  background: linear-gradient(145deg, rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.8));
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.keyboard-modern .keyboard-key:active,
.keyboard-modern .keyboard-key.pressed {
  background: linear-gradient(145deg, var(--primary-color), rgba(37, 99, 235, 0.8));
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Dark theme adjustments for modern skin */
[data-theme='dark'] .keyboard-modern {
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
  border: 1px solid rgba(248, 250, 252, 0.1);
}

[data-theme='dark'] .keyboard-modern .keyboard-key {
  background: linear-gradient(145deg, rgba(51, 65, 85, 0.9), rgba(30, 41, 59, 0.8));
  border: 1px solid rgba(248, 250, 252, 0.1);
  color: var(--text-primary);
}

[data-theme='dark'] .keyboard-modern .keyboard-key:hover {
  background: linear-gradient(145deg, rgba(71, 85, 105, 1), rgba(51, 65, 85, 0.9));
}

/* Classic Skin */
.keyboard-classic {
  background: #f0f0f0;
  border: 2px solid #ccc;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
}

.keyboard-classic .keyboard-key {
  background: linear-gradient(to bottom, #fafafa, #e0e0e0);
  border: 1px solid #999;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  color: #333;
  font-weight: var(--font-medium);
}

.keyboard-classic .keyboard-key:hover {
  background: linear-gradient(to bottom, #ffffff, #e8e8e8);
  border-color: #666;
}

.keyboard-classic .keyboard-key:active,
.keyboard-classic .keyboard-key.pressed {
  background: linear-gradient(to bottom, #d0d0d0, #b0b0b0);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2), 0 1px 0 rgba(255, 255, 255, 0.8);
  border-color: #555;
}

.keyboard-classic .keyboard-key.highlighted {
  background: linear-gradient(to bottom, #4a90e2, #357abd);
  color: white;
  border-color: #2968a3;
}

/* Dark theme adjustments for classic skin */
[data-theme='dark'] .keyboard-classic {
  background: #2a2a2a;
  border-color: #555;
}

[data-theme='dark'] .keyboard-classic .keyboard-key {
  background: linear-gradient(to bottom, #404040, #2a2a2a);
  border-color: #666;
  color: #e0e0e0;
}

[data-theme='dark'] .keyboard-classic .keyboard-key:hover {
  background: linear-gradient(to bottom, #4a4a4a, #333);
  border-color: #777;
}

/* Minimal Skin */
.keyboard-minimal {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: var(--space-2);
}

.keyboard-minimal .keyboard-key {
  background: transparent;
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: var(--font-normal);
  transition: all var(--transition-normal);
}

.keyboard-minimal .keyboard-key:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.keyboard-minimal .keyboard-key:active,
.keyboard-minimal .keyboard-key.pressed {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.keyboard-minimal .keyboard-key.highlighted {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

/* Responsive design */
@media (max-width: 768px) {
  .virtual-keyboard {
    padding: var(--space-2);
    max-width: 100%;
  }

  .keyboard-key {
    min-width: 32px;
    height: 32px;
    font-size: var(--text-xs);
  }

  .keyboard-key .key-shift,
  .keyboard-key .key-normal {
    font-size: 10px;
  }

  .tab-key {
    min-width: 48px;
  }

  .caps-key {
    min-width: 56px;
  }

  .shift-key {
    min-width: 64px;
  }

  .enter-key {
    min-width: 56px;
  }

  .backspace-key {
    min-width: 48px;
  }

  .space-key {
    min-width: 160px;
  }

  .ctrl-key,
  .alt-key {
    min-width: 40px;
  }
}

@media (max-width: 480px) {
  .keyboard-row {
    gap: 2px;
  }

  .keyboard-key {
    min-width: 28px;
    height: 28px;
    font-size: 10px;
    padding: 2px;
  }

  .keyboard-key .key-shift,
  .keyboard-key .key-normal {
    font-size: 8px;
  }

  .tab-key {
    min-width: 40px;
  }

  .caps-key {
    min-width: 48px;
  }

  .shift-key {
    min-width: 56px;
  }

  .enter-key {
    min-width: 48px;
  }

  .backspace-key {
    min-width: 40px;
  }

  .space-key {
    min-width: 120px;
  }

  .ctrl-key,
  .alt-key {
    min-width: 32px;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .keyboard-key {
    min-height: 44px;
  }

  .keyboard-key:hover {
    transform: none;
  }

  .keyboard-key:active {
    transform: scale(0.95);
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .keyboard-key {
    border-width: 2px;
    font-weight: var(--font-semibold);
  }

  .keyboard-modern .keyboard-key,
  .keyboard-classic .keyboard-key {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-color: var(--text-primary);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .keyboard-key {
    transition: none;
  }

  .keyboard-key:hover {
    transform: none;
  }

  .keyboard-key:active {
    transform: none;
  }
}