/**
 * PharmEtrade — Shop Page Styles
 */

/* ── Shop Layout ─────────────────────────────────── */
.shop-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* ── Sidebar ─────────────────────────────────────── */
.shop-sidebar {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-lg));
}

.shop-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-light);
}

.shop-sidebar__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.shop-sidebar__clear {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.shop-sidebar__clear:hover { color: var(--color-danger); }

/* ── Filter Group ────────────────────────────────── */
.shop-filter {
  margin-bottom: var(--space-lg);
}
.shop-filter:last-child { margin-bottom: 0; }

.shop-filter__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  font-family: var(--font-mono);
  margin-bottom: var(--space-3);
  display: block;
}

.shop-filter__options {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.shop-filter__option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 10px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.shop-filter__option:hover {
  background: var(--color-bg-canvas);
  color: var(--color-text-primary);
}
.shop-filter__option.is-active {
  background: var(--color-navy);
  color: #fff;
  font-weight: var(--weight-medium);
}

.shop-filter__count {
  margin-left: auto;
  font-size: var(--text-2xs);
  font-family: var(--font-mono);
  opacity: 0.6;
}

.shop-filter__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}
.shop-filter__dot--green { background: var(--color-success); box-shadow: 0 0 0 2px rgba(0,168,120,0.15); }
.shop-filter__dot--yellow { background: var(--color-warning); box-shadow: 0 0 0 2px rgba(245,166,35,0.15); }

/* ── Top Bar ─────────────────────────────────────── */
.shop-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.shop-topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.shop-topbar__filter-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  font-family: var(--font-body);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.shop-topbar__filter-toggle:hover {
  border-color: var(--color-navy);
  background: var(--color-bg-canvas);
}
.shop-topbar__filter-toggle svg {
  flex-shrink: 0;
}

.shop-topbar__count {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.shop-topbar__sort {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 7px 32px 7px 12px;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-bg-white);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6860' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.shop-topbar__sort:focus {
  border-color: var(--color-navy);
  outline: none;
}

/* ── Product Grid ────────────────────────────────── */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
}

/* ── Empty State ─────────────────────────────────── */
.shop-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.shop-empty__icon {
  font-size: 56px;
  margin-bottom: var(--space-lg);
}

.shop-empty__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-regular);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.shop-empty__sub {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
}

.shop-empty__sub a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Cart Toast ──────────────────────────────────── */
.cart-toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  z-index: 8000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
}
.cart-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.cart-toast__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px 20px;
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  white-space: nowrap;
}
.cart-toast__inner svg {
  color: var(--color-green-mid);
  flex-shrink: 0;
}
.cart-toast__link {
  color: var(--color-green-mid);
  text-decoration: none;
  font-weight: var(--weight-semibold);
  margin-left: var(--space-2);
  transition: color var(--transition-fast);
}
.cart-toast__link:hover {
  color: #fff;
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
  .shop-layout {
    grid-template-columns: 1fr;
  }
  .shop-sidebar {
    display: none;
    position: static;
  }
  .shop-sidebar.is-open {
    display: block;
    margin-bottom: var(--space-lg);
  }
  .shop-topbar__filter-toggle {
    display: flex;
  }
}

@media (max-width: 480px) {
  .shop-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .shop-topbar {
    flex-wrap: wrap;
    gap: var(--space-3);
  }
}