/**
 * Auvira Theme - UI Components
 * 
 * Buttons, cards, forms, badges, and other reusable components
 */

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: var(--border-width-2) solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-all);
  white-space: nowrap;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-primary);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Accent Button (CTA) */
.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-charcoal);
  border-color: var(--color-accent);
  font-weight: var(--font-semibold);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-light-grey);
}

/* White Button (for dark backgrounds) */
.btn-white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-white:hover {
  background-color: var(--color-off-white);
  border-color: var(--color-off-white);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: var(--text-xl);
}

/* btn-xl mobile stacking for long content (e.g., CTA with price) */
@media (max-width: 450px) {
  .btn-xl {
    flex-direction: column;
    gap: 2px;
    width: 100%;
    font-size: 18px;
    line-height: 1.3;
  }
  
  .btn-xl .wcpbc-price {
    display: block;
    font-size: 0.9em;
  }
}

/* Full Width Button */
.btn-block {
  display: flex;
  width: 100%;
}

/* Icon Button */
.btn-icon {
  padding: var(--space-3);
  aspect-ratio: 1;
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-bordered {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  padding: var(--space-6);
}

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.card-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  background-color: var(--color-off-white);
  border-top: 1px solid var(--color-border);
}

/* Clickable Card */
.card-link {
  display: block;
  text-decoration: none;
  transition: var(--transition-all);
}

.card-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* ==========================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label-required::after {
  content: '*';
  color: var(--color-error);
  margin-left: var(--space-1);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

/* Input States */
.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
}

.form-input.is-error:focus,
.form-select.is-error:focus,
.form-textarea.is-error:focus {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-error) 15%, transparent);
}

.form-input.is-success,
.form-select.is-success {
  border-color: var(--color-success);
}

/* Form Helper Text */
.form-helper {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-1);
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Select */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-check-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  cursor: pointer;
}

/* ==========================================================================
   BADGES
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.badge-secondary {
  background-color: var(--color-light-grey);
  color: var(--color-text-primary);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

/* ==========================================================================
   ALERTS
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

.alert-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.alert-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-light);
  color: #92400E;
}

.alert-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

.alert-info {
  background-color: var(--color-info-light);
  color: var(--color-info);
}

/* ==========================================================================
   DIVIDERS
   ========================================================================== */

.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-border);
}

/* ==========================================================================
   AVATARS
   ========================================================================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-xs);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--text-lg);
}

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--text-2xl);
}

/* ==========================================================================
   LOADING / SPINNER
   ========================================================================== */

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-light-grey);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

/* Spinner inside buttons - use white */
button .spinner,
button .spinner-sm,
input[type="submit"] .spinner,
input[type="submit"] .spinner-sm,
.btn .spinner,
.btn .spinner-sm {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: white;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   TOOLTIPS
   ========================================================================== */

[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-charcoal);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  white-space: nowrap;
  border-radius: var(--radius-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-8px);
}

/* ==========================================================================
   TRUST BADGES (E-commerce)
   ========================================================================== */

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-4) 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.trust-badge-icon {
  width: 20px;
  height: 20px;
  color: var(--color-success);
}

/* ==========================================================================
   STAR RATING
   ========================================================================== */

.star-rating {
  display: inline-flex;
  gap: 2px;
  color: var(--color-accent);
}

.star-rating-empty {
  color: var(--color-light-grey);
}