/* Button Base */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: 1px solid transparent;
}
/* Primary Button */
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}
/* Secondary Button */
.btn--secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  background: var(--color-bg-primary);
}
/* Icon Button */
.btn--icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--border-radius-full);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
}
.btn--icon:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-primary);
  transform: scale(1.1);
}
/* Search Box */
.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}
.search-box input {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-10) var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
}
.search-box input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background: var(--color-bg-primary);
}
.search-box .icon-search {
  position: absolute;
  right: var(--spacing-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-tertiary);
  pointer-events: none;
}
/* Select */
.select {
  appearance: none;
  padding: var(--spacing-2) var(--spacing-8) var(--spacing-2) var(--spacing-4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  height: 50px;
  transition: all var(--transition-normal);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23757575' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-2) center;
  background-size: 1.5em;
}
.select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  background-color: var(--color-bg-primary);
}
/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-bg-tertiary);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
/* Empty States */
.empty-state {
  text-align: center;
  padding: var(--spacing-8);
  color: var(--color-text-tertiary);
}
.empty-state [class^="icon-"]:before,
.empty-state [class*=" icon-"]:before {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-4);
}
/* Card */
.card {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-4);
}
.form-group label {
  display: block;
  margin-bottom: var(--spacing-2);
  color: var(--color-text-secondary);
  font-weight: 500;
}
.form-control {
  width: 100%;
  padding: var(--spacing-2) var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  transition: all var(--transition-normal);
}
.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
}
.badge--primary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.badge--secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}
/* View Toggle */
.view-toggle {
  display: flex;
  gap: var(--spacing-1);
  padding: var(--spacing-2);
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius-lg);
}
.view-toggle button {
  height: 44px;
  width: 44px;
  border-radius: var(--border-radius-md);
  color: var(--color-text-tertiary);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}
.view-toggle button:hover {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
}
.view-toggle button.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
/* Dark Mode */
[data-theme="dark"] {
  .btn--secondary {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
  }
  .btn--icon {
    background: var(--color-bg-tertiary);
  }
  .btn--icon:hover {
    background: var(--color-bg-primary);
  }
  .select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23e0e0e0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  }
  .spinner {
    border-color: var(--color-bg-tertiary);
    border-top-color: var(--color-primary);
  }
  .badge--secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
  }
  .view-toggle {
    background: var(--color-bg-tertiary);
  }
  .view-toggle button:hover {
    background: var(--color-bg-primary);
  }
}
/* Focus States */
.btn:focus-visible,
.select:focus-visible,
.form-control:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
/* Disabled States */
.btn:disabled,
.select:disabled,
.form-control:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}