/* Fluent Design System - Windows 10 UI */

/* Fluent Button */
.fluent-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: transparent;
  color: var(--text-primary);
  user-select: none;
  -webkit-user-select: none;
}

.fluent-button:hover {
  background-color: var(--bg-tertiary);
}

.fluent-button:active {
  background-color: var(--bg-secondary);
}

.fluent-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Fluent Primary Button */
.fluent-button-primary {
  background-color: var(--primary-blue);
  color: white;
  border-color: var(--primary-blue);
}

.fluent-button-primary:hover {
  background-color: var(--primary-blue-hover);
  box-shadow: var(--shadow-md);
}

.fluent-button-primary:active {
  background-color: var(--primary-blue-active);
}

/* Fluent Outline Button */
.fluent-button-outline {
  border: 1px solid var(--border-color);
  background-color: transparent;
}

.fluent-button-outline:hover {
  border-color: var(--text-primary);
  background-color: var(--bg-secondary);
}

/* Fluent Subtle Button */
.fluent-button-subtle {
  background-color: transparent;
  color: var(--primary-blue);
}

.fluent-button-subtle:hover {
  background-color: rgba(0, 120, 212, 0.1);
}

/* Fluent Input */
.fluent-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  font-family: var(--font-family-base);
  transition: all var(--transition-fast);
}

.fluent-input:focus {
  border-color: var(--primary-blue);
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 120, 212, 0.1);
}

.fluent-input:hover:not(:focus) {
  border-color: var(--text-tertiary);
}

.fluent-input::placeholder {
  color: var(--text-tertiary);
}

/* Fluent Card */
.fluent-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-fast);
}

.fluent-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-blue);
}

/* Fluent Menu Item */
.fluent-menu-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: var(--font-size-md);
}

.fluent-menu-item:hover {
  background-color: var(--bg-tertiary);
}

.fluent-menu-item.active {
  background-color: rgba(0, 120, 212, 0.15);
  color: var(--primary-blue);
  font-weight: var(--font-weight-semibold);
}

/* Fluent Divider */
.fluent-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-md) 0;
}

/* Fluent Badge */
.fluent-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--spacing-sm);
  background-color: var(--accent-red);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.fluent-badge.success {
  background-color: var(--accent-green);
}

.fluent-badge.warning {
  background-color: var(--accent-orange);
}

.fluent-badge.info {
  background-color: var(--primary-blue);
}

/* Fluent Toggle */
.fluent-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.fluent-toggle input[type="checkbox"] {
  display: none;
}

.fluent-toggle .toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.fluent-toggle .toggle-switch::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: var(--bg-secondary);
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: left var(--transition-fast);
}

.fluent-toggle input[type="checkbox"]:checked + .toggle-switch {
  background-color: var(--primary-blue);
}

.fluent-toggle input[type="checkbox"]:checked + .toggle-switch::after {
  left: 22px;
}

/* Fluent Dropdown */
.fluent-dropdown {
  position: relative;
  display: inline-flex;
  flex-direction: column;
}

.fluent-dropdown-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.fluent-dropdown-button:hover {
  border-color: var(--text-tertiary);
}

.fluent-dropdown-button.active {
  border-color: var(--primary-blue);
}

.fluent-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  margin-top: var(--spacing-xs);
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scaleY(0.95);
  transform-origin: top;
  transition: all var(--transition-fast);
}

.fluent-dropdown-menu.active {
  opacity: 1;
  pointer-events: auto;
  transform: scaleY(1);
}

.fluent-dropdown-item {
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  font-size: var(--font-size-md);
}

.fluent-dropdown-item:hover {
  background-color: var(--bg-tertiary);
}

.fluent-dropdown-item.active {
  background-color: rgba(0, 120, 212, 0.15);
  color: var(--primary-blue);
}

/* Focus State Accessibility */
.fluent-button:focus-visible,
.fluent-input:focus-visible,
.fluent-menu-item:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}