/**
 * Modul: Einkaufslisten (Shopping)
 * Zweck: Styles für Listen-Tabs, Artikel-Liste, Kategorie-Gruppen, Quick-Add, Autocomplete
 * Abhängigkeiten: tokens.css, layout.css
 */

/* --------------------------------------------------------
 * Modul-Akzent
 * -------------------------------------------------------- */
.shopping-page { --module-accent: var(--module-shopping); }

/* --------------------------------------------------------
 * Seiten-Layout
 * -------------------------------------------------------- */
.shopping-page {
  display: flex;
  flex-direction: column;
  height: calc(100dvh - var(--nav-height-mobile) - var(--safe-area-inset-bottom));
  max-width: var(--content-max-width);
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .shopping-page {
    height: 100dvh;
  }
}

/* --------------------------------------------------------
 * Listen-Tabs (horizontal scroll)
 * -------------------------------------------------------- */
.list-tabs-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}

.list-tabs-bar::-webkit-scrollbar { display: none; }

.list-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background-color: transparent;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  min-height: 36px;
}

.list-tab:hover:not(.list-tab--active) {
  border-color: var(--color-text-secondary);
  color: var(--color-text-primary);
}

.list-tab--active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.list-tab__count {
  background-color: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  padding: 1px 6px;
  font-size: var(--text-xs);
}

.list-tab--active .list-tab__count {
  background-color: rgba(255, 255, 255, 0.3);
}

.list-tab__new {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1.5px dashed var(--color-border);
  background: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  min-height: var(--target-lg);
}

.list-tab__new:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* --------------------------------------------------------
 * Liste-Header (Name + Aktionen)
 * -------------------------------------------------------- */
.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4) var(--space-2);
  flex-shrink: 0;
  border-top: 3px solid var(--module-accent);
}

.list-header__name {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-primary);
}

.list-header__edit-icon {
  width: 15px;
  height: 15px;
  color: var(--color-text-disabled);
}

.list-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* --------------------------------------------------------
 * Quick-Add Eingabe
 * -------------------------------------------------------- */
.quick-add {
  padding: var(--space-2) var(--space-4) var(--space-3);
  flex-shrink: 0;
  position: relative;
}

.quick-add__form {
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
}

.quick-add__input-wrap {
  flex: 1;
  position: relative;
}

.quick-add__input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-right: var(--space-20, 80px);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.quick-add__input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.quick-add__qty {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  width: 70px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  text-align: center;
  min-height: auto;
  height: auto;
}

.quick-add__qty:focus {
  outline: none;
  border-color: var(--color-accent);
}

.quick-add__cat {
  width: auto;
  min-width: 100px;
  max-width: 160px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  min-height: 44px;
}

.quick-add__cat:focus {
  outline: none;
  border-color: var(--color-accent);
}

.quick-add__btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: background-color var(--transition-fast);
  min-height: var(--target-lg);
}

.quick-add__btn:hover { background-color: var(--color-accent-hover); }

/* Autocomplete-Dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: var(--z-modal);
  overflow: hidden;
  max-height: 200px;
  overflow-y: auto;
}

.autocomplete-item {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  font-size: var(--text-base);
  transition: background-color var(--transition-fast);
}

.autocomplete-item:hover,
.autocomplete-item--active {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

/* --------------------------------------------------------
 * Artikel-Liste (scrollbar)
 * -------------------------------------------------------- */
.items-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--space-4) var(--space-4);
  -webkit-overflow-scrolling: touch;
}

/* --------------------------------------------------------
 * Kategorie-Gruppen
 * -------------------------------------------------------- */
.item-category {
  margin-bottom: var(--space-4);
}

.item-category__header {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--space-2) 0 var(--space-1);
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.item-category__icon {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------
 * Einkaufsartikel
 * -------------------------------------------------------- */
.shopping-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-1);
  border-bottom: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--module-accent);
  transition: opacity var(--transition-fast);
  min-height: 44px;
}

.shopping-item:last-child { border-bottom: none; }

.shopping-item--checked {
  opacity: 0.45;
}

/* Checkbox */
.item-check {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

.item-check::before {
  content: '';
  position: absolute;
  inset: -12px;
}

.item-check--checked {
  background-color: var(--color-success);
  border-color: var(--color-success);
  animation: check-pop 0.2s var(--ease-out);
}

@keyframes check-pop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.item-check__icon {
  width: 14px;
  height: 14px;
  color: #ffffff;
  display: none;
}

.item-check--checked .item-check__icon { display: block; }

/* Artikel-Text */
.item-body {
  flex: 1;
  min-width: 0;
}

.item-name {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shopping-item--checked .item-name {
  text-decoration: line-through;
  color: var(--color-text-secondary);
}

.item-quantity {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: 1px;
}

/* Löschen-Button */
.item-delete {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--color-text-disabled);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  position: relative;
  border: none;
  flex-shrink: 0;
}

.item-delete::before {
  content: '';
  position: absolute;
  inset: -8px;
}

.shopping-item:hover .item-delete,
.shopping-item:focus-within .item-delete {
  opacity: 1;
}

.item-delete:hover { color: var(--color-danger); }

/* --------------------------------------------------------
 * Swipe-Wrapper - Shopping-spezifische Styles
 * -------------------------------------------------------- */

/* Kein Margin mehr am shopping-item selbst (übernimmt swipe-row) */
.swipe-row .shopping-item {
  margin-bottom: 0;
  border-radius: var(--radius-md);
  position: relative;
  z-index: 1;
  will-change: transform;
}

/* Rechts hinter der Karte = Löschen (Swipe nach rechts) */
.swipe-reveal--delete {
  left: 0;
  background-color: var(--color-danger);
  color: #fff;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* Touch-Feedback: leichte Hervorhebung während Swipe */
.swipe-row--swiping .shopping-item {
  box-shadow: var(--shadow-lg);
}

/* × Löschen-Button auf Mobile ausblenden - Swipe übernimmt */
@media (max-width: 1023px) {
  .item-delete {
    display: none;
  }
}

/* --------------------------------------------------------
 * No-Lists-Zustand
 * -------------------------------------------------------- */
.no-lists {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: var(--space-4);
  padding: var(--space-12);
  text-align: center;
}