/* ==========================================================================
   public_shop.css
   Public shop additions — filter drawer, mobile layout, toast, cart styles.
   Relies on CSS variables already defined in the app (sd-surface, sd-border, etc.)
   ========================================================================== */

/* ── Mobile filter toggle button ──────────────────────────────────────────── */
/* Hidden on desktop; shown only on small screens */
.shop-filter-toggle {
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  background: var(--sd-surface);
  border: 1px solid var(--sd-border);
  border-radius: 8px;
  color: var(--sd-text);
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  transition: background 0.15s;
  white-space: nowrap;
}

.shop-filter-toggle:hover {
  background: var(--sd-surface-hover, rgba(255,255,255,0.08));
}

.shop-filter-toggle__icon {
  font-size: 1rem;
  line-height: 1;
}

/* Orange dot indicator when filters are active */
.shop-filter-toggle__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sd-warning, #f59e0b);
  position: absolute;
  top: 6px;
  right: 6px;
}

/* ── Backdrop (mobile only) ────────────────────────────────────────────────── */
.shop-filter-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 199;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.shop-filter-backdrop--visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Sidebar / filter drawer ───────────────────────────────────────────────── */

/* Desktop: static left column */
.shop-sidebar {
  width: 220px;
  flex-shrink: 0;
}

/* Drawer chrome — hidden on desktop, shown on mobile */
.shop-sidebar__header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--sd-border);
}

.shop-sidebar__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--sd-text);
  margin: 0;
}

.shop-sidebar__close {
  background: none;
  border: none;
  color: var(--sd-text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  line-height: 1;
  transition: color 0.15s;
}

.shop-sidebar__close:hover {
  color: var(--sd-text);
}

/* "Show Results" footer button — hidden on desktop */
.shop-sidebar__footer {
  display: none;
  padding: 1rem 1.25rem 1.5rem;
  margin-top: auto;
}

/* ── Layout ────────────────────────────────────────────────────────────────── */
.shop-layout {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 1.5rem 2rem;
  align-items: flex-start;
}

.shop-main {
  flex: 1;
  min-width: 0;
}

/* ── Multi-store notice banner ─────────────────────────────────────────────── */
.shop-multistore-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--sd-info-lt, rgba(59,130,246,0.1));
  border: 1px solid var(--sd-info, #3b82f6);
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.83rem;
  color: var(--sd-text);
}

.shop-multistore-notice__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.shop-multistore-notice strong {
  display: block;
  font-weight: 700;
  margin-bottom: 0.2rem;
  font-size: 0.85rem;
}

.shop-multistore-notice p {
  margin: 0;
  color: var(--sd-text-muted);
  line-height: 1.5;
}

/* ── sd-panel (used in cart summary) ──────────────────────────────────────── */
.sd-panel {
  background: var(--sd-surface);
  border: 1px solid var(--sd-border);
  border-radius: 12px;
  overflow: hidden;
}

/* ── Cart layout ───────────────────────────────────────────────────────────── */
.shop-cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem 2rem;
  align-items: flex-start;
}

/* ── Cart row ──────────────────────────────────────────────────────────────── */
.shop-cart-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--sd-border);
}

.shop-cart-row:last-child {
  border-bottom: none;
}

.shop-cart-row__info {
  min-width: 0;
}

.shop-cart-row__name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--sd-text);
  margin: 0 0 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shop-cart-row__unit {
  font-size: 0.75rem;
  color: var(--sd-text-muted);
  margin: 0;
}

.shop-cart-row__qty {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.shop-cart-row__qty-val {
  min-width: 1.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.88rem;
}

.shop-cart-row__total {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--sd-text);
  white-space: nowrap;
}

.shop-cart-row__remove {
  background: none;
  border: none;
  color: var(--sd-text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.25rem 0.4rem;
  border-radius: 4px;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
}

.shop-cart-row__remove:hover {
  color: var(--sd-danger, #ef4444);
  background: var(--sd-danger-lt, rgba(239,68,68,0.1));
}

/* ── Cart totals ───────────────────────────────────────────────────────────── */
.shop-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--sd-text-muted);
  padding: 0.3rem 0;
}

.shop-total-row--grand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--sd-text);
  border-top: 1px solid var(--sd-border);
  margin-top: 0.4rem;
  padding-top: 0.6rem;
}

/* ── Validation message ────────────────────────────────────────────────────── */
.shop-validation-msg {
  color: var(--sd-danger, #ef4444);
  font-size: 0.82rem;
  margin-bottom: 0.75rem;
}

/* ── Toast notification ────────────────────────────────────────────────────── */
.shop-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: var(--sd-text, #e2e8f0);
  color: var(--sd-bg, #0f172a);
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 9999;
}

.shop-toast--show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Cart button badge ─────────────────────────────────────────────────────── */
.shop-cart-btn__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 0.3rem;
  border-radius: 999px;
  background: var(--sd-border);
  color: var(--sd-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  transition: background 0.2s, color 0.2s;
}

.shop-cart-btn__count--active {
  background: var(--sd-primary, #3b82f6);
  color: #fff;
}

/* ── Account link spacing ──────────────────────────────────────────────────── */
.shop-account-link {
  margin-left: 0.75rem;
}

/* ── "Add to cart" confirmed state ────────────────────────────────────────── */
.shop-add-btn--added {
  background: var(--sd-success, #22c55e) !important;
  border-color: var(--sd-success, #22c55e) !important;
  color: #fff !important;
}

/* ==========================================================================
   RESPONSIVE — <= 860px  → sidebar becomes a slide-in drawer
   ========================================================================== */
@media (max-width: 860px) {

  /* Show the filter toggle button in the header */
  .shop-filter-toggle {
    display: flex;
  }

  /* Allow backdrop to be shown */
  .shop-filter-backdrop {
    display: block;
  }

  /* Sidebar: off-canvas drawer */
  .shop-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 88vw);
    z-index: 200;
    background: var(--sd-bg, #0f172a);
    border-right: 1px solid var(--sd-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transform: translateX(-105%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: unset;
    width: min(320px, 88vw); /* override desktop width */
  }

  /* Slide in when open */
  .shop-sidebar--open {
    transform: translateX(0);
  }

  /* Reveal drawer chrome */
  .shop-sidebar__header {
    display: flex;
  }

  /* Reveal "Show Results" footer */
  .shop-sidebar__footer {
    display: block;
    border-top: 1px solid var(--sd-border);
  }

  /* Padding inside the drawer */
  .shop-filter-group {
    padding: 0 1.25rem;
  }

  /* Remove sidebar from flex layout flow */
  .shop-layout {
    display: block;
    padding: 0.75rem 1rem 2rem;
  }

  /* Cart stacks vertically */
  .shop-cart-layout {
    grid-template-columns: 1fr;
    padding: 0.75rem 1rem 2rem;
  }

  /* Tighten cart rows */
  .shop-cart-row {
    grid-template-columns: 1fr auto auto auto;
    gap: 0.5rem;
    padding: 0.75rem 0.875rem;
  }
}

/* ── Very narrow (<=480px) ──────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .shop-header {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .shop-header__right {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .shop-search {
    flex: 1 1 100%;
    order: -1;
  }

  /* Hide account link on very small screens to save space */
  .shop-account-link {
    display: none;
  }

  .shop-cart-row {
    grid-template-columns: 1fr auto;
    row-gap: 0.4rem;
  }

  .shop-cart-row__qty {
    grid-column: 1;
  }

  .shop-cart-row__total {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
  }

  .shop-cart-row__remove {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
  }
}