/* ==========================================================================
   components.css — Buttons, Cards, Forms, Badges, Modals, Icons, Star Rating
   All values reference custom properties from base.css.
   Accent colour applied to interactive elements only.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-primary);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast),
              box-shadow var(--transition-fast), opacity var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — uses accent colour */
.btn--primary {
  color: var(--colour-text-inverse);
  background-color: var(--colour-accent);
}

.btn--primary:hover {
  background-color: var(--colour-accent-hover);
}

.btn--primary:focus-visible {
  box-shadow: 0 0 0 3px var(--colour-accent-subtle);
}

/* Secondary — outlined */
.btn--secondary {
  color: var(--colour-text);
  background-color: transparent;
  border: 1px solid var(--colour-border);
}

.btn--secondary:hover {
  background-color: var(--colour-surface-hover);
  border-color: var(--colour-accent);
  color: var(--colour-accent);
}

/* Ghost — minimal */
.btn--ghost {
  color: var(--colour-text-secondary);
  background-color: transparent;
}

.btn--ghost:hover {
  color: var(--colour-accent);
  background-color: var(--colour-accent-subtle);
}

/* Danger */
.btn--danger {
  color: var(--colour-text-inverse);
  background-color: var(--colour-error);
}

.btn--danger:hover {
  opacity: 0.9;
}

/* Sizes */
.btn--xs {
  padding: 2px var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn--lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
}

/* Icon-only button */
.btn--icon {
  padding: var(--space-2);
}

.btn--icon svg {
  width: var(--space-5);
  height: var(--space-5);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */

.card {
  background-color: var(--colour-surface);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background-color: var(--colour-bg-tertiary);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.03);
}

.card__body {
  padding: var(--space-4);
}

.card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--colour-text);
  margin-bottom: var(--space-1);
}

.card__subtitle {
  font-size: var(--text-sm);
  color: var(--colour-text-secondary);
  margin-bottom: var(--space-2);
}

.card__price {
  font-size: var(--text-md);
  font-weight: var(--weight-bold);
  color: var(--colour-text);
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--colour-border-light);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */

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

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

.form-label--required::after {
  content: ' *';
  color: var(--colour-error);
}

.form-input {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  color: var(--colour-text);
  background-color: var(--colour-bg);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-input:focus {
  outline: none;
  border-color: var(--colour-accent);
  box-shadow: 0 0 0 3px var(--colour-accent-subtle);
}

.form-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background-color: var(--colour-bg-secondary);
}

.form-input--error {
  border-color: var(--colour-error);
}

.form-input--error:focus {
  border-color: var(--colour-error);
  box-shadow: 0 0 0 3px var(--colour-error-subtle);
}

/* Textarea */
.form-textarea {
  min-height: 6rem;
  resize: vertical;
}

/* Select — match text input height exactly */
select.form-input {
  appearance: none;
  line-height: var(--leading-normal);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

/* Dark mode: lighter chevron for visibility */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) select.form-input {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  }
}

[data-theme="dark"] select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
}

.form-check__input {
  width: var(--space-4);
  height: var(--space-4);
  margin-top: var(--space-1);
  accent-color: var(--colour-accent);
  cursor: pointer;
}

.form-check__label {
  font-size: var(--text-sm);
  color: var(--colour-text);
}

/* Help text */
.form-help {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--colour-text-tertiary);
}

/* Error message */
.form-error {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--colour-error);
}

/* Form actions row */
.form-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge--neutral {
  color: var(--colour-text-secondary);
  background-color: var(--colour-bg-tertiary);
}

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

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

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

.badge--info {
  color: var(--colour-info);
  background-color: var(--colour-info-bg);
}

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

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background-color: var(--colour-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 32rem;
  max-height: calc(100dvh - var(--space-8));
  background-color: var(--colour-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow-y: auto;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--colour-border);
}

.modal__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--colour-text);
}

.modal__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--space-8);
  height: var(--space-8);
  border-radius: var(--radius-md);
  color: var(--colour-text-tertiary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.modal__close:hover {
  color: var(--colour-text);
  background-color: var(--colour-surface-hover);
}

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

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--colour-border);
}

/* --------------------------------------------------------------------------
   Icons
   -------------------------------------------------------------------------- */

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon--sm {
  width: var(--space-4);
  height: var(--space-4);
}

.icon--md {
  width: var(--space-5);
  height: var(--space-5);
}

.icon--lg {
  width: var(--space-6);
  height: var(--space-6);
}

.icon--xl {
  width: var(--space-8);
  height: var(--space-8);
}

.icon svg {
  width: 100%;
  height: 100%;
}

/* --------------------------------------------------------------------------
   Star Rating Widget
   -------------------------------------------------------------------------- */

.star-rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.star-rating__star {
  width: var(--space-5);
  height: var(--space-5);
  color: var(--colour-star-empty);
  transition: color var(--transition-fast);
}

.star-rating__star--filled {
  color: var(--colour-star);
}

.star-rating__star--half {
  color: var(--colour-star);
}

/* Interactive rating (form input) */
.star-rating--input .star-rating__star {
  cursor: pointer;
}

.star-rating--input .star-rating__star:hover,
.star-rating--input .star-rating__star:hover ~ .star-rating__star--filled {
  color: var(--colour-star);
}

.star-rating__count {
  margin-left: var(--space-1);
  font-size: var(--text-sm);
  color: var(--colour-text-tertiary);
}

.star-rating__average {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--colour-text-secondary);
  margin-left: var(--space-1);
}

/* --------------------------------------------------------------------------
   Alerts / Notices
   -------------------------------------------------------------------------- */

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

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

.alert--warning {
  color: var(--colour-warning);
  background-color: var(--colour-warning-bg);
}

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

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

/* --------------------------------------------------------------------------
   Telegram Connection Banner
   -------------------------------------------------------------------------- */

.telegram-banner {
  background-color: var(--colour-info-bg);
  border-bottom: 1px solid var(--colour-border);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
}

.telegram-banner__inner {
  max-width: var(--content-max-width, 72rem);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.telegram-banner__text {
  color: var(--colour-info);
}

.telegram-banner__link {
  color: var(--colour-info);
  font-weight: var(--weight-semibold);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.telegram-banner__link:hover {
  opacity: 0.8;
}

/* --------------------------------------------------------------------------
   Quantity Stepper
   -------------------------------------------------------------------------- */

.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.qty-stepper__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--space-10);
  height: var(--space-10);
  color: var(--colour-text-secondary);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.qty-stepper__btn:hover {
  color: var(--colour-accent);
  background-color: var(--colour-accent-subtle);
}

.qty-stepper__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.qty-stepper__value {
  width: var(--space-10);
  height: var(--space-10);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--colour-text);
  background-color: transparent;
  border: none;
  border-left: 1px solid var(--colour-border);
  border-right: 1px solid var(--colour-border);
  line-height: var(--space-10);
  -moz-appearance: textfield;
}

.qty-stepper__value::-webkit-outer-spin-button,
.qty-stepper__value::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Compact variant for basket line items */
.qty-stepper--sm .qty-stepper__btn {
  width: var(--space-8);
  height: var(--space-8);
}

.qty-stepper--sm .qty-stepper__value {
  width: var(--space-8);
  font-size: var(--text-xs);
  line-height: var(--space-8);
}

/* --------------------------------------------------------------------------
   Loading Spinner
   -------------------------------------------------------------------------- */

.spinner {
  display: inline-block;
  width: var(--space-5);
  height: var(--space-5);
  border: 2px solid var(--colour-border);
  border-top-color: var(--colour-accent);
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

.spinner--sm {
  width: var(--space-4);
  height: var(--space-4);
}

.spinner--lg {
  width: var(--space-8);
  height: var(--space-8);
  border-width: 3px;
}

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

/* --------------------------------------------------------------------------
   Dropdown
   -------------------------------------------------------------------------- */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-dropdown);
  min-width: 12rem;
  margin-top: var(--space-1);
  background-color: var(--colour-surface);
  border: 1px solid var(--colour-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.25rem);
  transition: opacity var(--transition-fast), visibility var(--transition-fast),
              transform var(--transition-fast);
}

.dropdown.is-open .dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--colour-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown__item:hover {
  background-color: var(--colour-accent-subtle);
  color: var(--colour-accent);
}

.dropdown__divider {
  height: 1px;
  margin: var(--space-1) 0;
  background-color: var(--colour-border-light);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
}

.pagination__link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--space-10);
  height: var(--space-10);
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--colour-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.pagination__link:hover {
  color: var(--colour-accent);
  background-color: var(--colour-accent-subtle);
}

.pagination__link--active {
  color: var(--colour-text-inverse);
  background-color: var(--colour-accent);
}

.pagination__link--active:hover {
  color: var(--colour-text-inverse);
  background-color: var(--colour-accent-hover);
}

.pagination__link--disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */

.breadcrumbs {
  padding: var(--space-5) 0 var(--space-3);
  font-size: var(--text-sm);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-1);
  overflow: hidden;
  white-space: nowrap;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.breadcrumbs__link {
  color: var(--colour-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumbs__link:hover {
  color: var(--colour-accent);
}

.breadcrumbs__separator {
  color: var(--colour-text-tertiary);
  user-select: none;
}

.breadcrumbs__current {
  color: var(--colour-text);
  font-weight: var(--weight-medium);
}

/* Admin breadcrumbs — sits inside admin__content */
.admin__content > .breadcrumbs {
  padding-bottom: 0;
}

/* --------------------------------------------------------------------------
   Referral Indicator (order list rows)
   -------------------------------------------------------------------------- */

.referral-indicator {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin-left: var(--space-1);
  border-radius: var(--radius-full);
  cursor: help;
  transition: background-color var(--transition-fast);
}

.referral-indicator svg {
  display: block;
}

.referral-indicator--pending {
  color: var(--colour-warning);
}

.referral-indicator--released {
  color: var(--colour-success);
}

.referral-indicator--clawed-back {
  color: var(--colour-error);
}

/* Tooltip */
.referral-indicator__tooltip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 10rem;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--colour-text-inverse);
  background-color: var(--colour-text);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-tooltip, 50);
}

/* Tooltip arrow */
.referral-indicator__tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--colour-text);
}

.referral-indicator:hover .referral-indicator__tooltip,
.referral-indicator:focus .referral-indicator__tooltip {
  opacity: 1;
  visibility: visible;
}