/* =====================================================================
   components.css — Reusable UI components
   ===================================================================== */

/* ─── Modal ───────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / .45);
  backdrop-filter: blur(2px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: all;
}

@media (min-width: 640px) {
  .modal-backdrop { align-items: center; }
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-6);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

@media (min-width: 640px) {
  .modal {
    border-radius: var(--radius-xl);
    max-width: 520px;
    transform: translateY(24px) scale(.96);
  }
}

.modal-backdrop.is-open .modal {
  transform: translateY(0) scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal__title { font-size: var(--font-size-lg); font-weight: 700; }

.modal__close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.modal__close:hover { color: var(--color-text); background: var(--color-border-light); }

.modal__footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

/* ─── Toast notification (JS-driven) ──────────────────────────────────── */
#toast-container {
  position: fixed;
  top: var(--space-5);
  right: var(--space-5);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 360px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-primary);
  animation: toastIn .3s ease forwards;
  font-size: var(--font-size-sm);
}

.toast--success { border-color: var(--color-success); }
.toast--error   { border-color: var(--color-danger);  }
.toast--warning { border-color: var(--color-warning); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0);    }
}

/* ─── Dropdown ────────────────────────────────────────────────────────── */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 180px;
  z-index: 90;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: all var(--transition-fast);
}

.dropdown.is-open .dropdown__menu {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background var(--transition-fast);
}

.dropdown__item:hover { background: var(--color-border-light); }
.dropdown__item--danger { color: var(--color-danger); }
.dropdown__item--danger:hover { background: var(--color-danger-light); }

.dropdown__divider {
  border: none;
  border-top: 1px solid var(--color-border-light);
  margin: var(--space-1) 0;
}

/* ─── Autocomplete / Search ───────────────────────────────────────────── */
.autocomplete {
  position: relative;
}

.autocomplete__results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 80;
  max-height: 280px;
  overflow-y: auto;
}

.autocomplete__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--color-border-light);
}

.autocomplete__item:last-child { border-bottom: none; }
.autocomplete__item:hover, .autocomplete__item.is-focused { background: var(--color-primary-light); }

.autocomplete__name { font-size: var(--font-size-sm); font-weight: 600; }
.autocomplete__meta { font-size: var(--font-size-xs); color: var(--color-text-secondary); }

/* ─── Category Color Pill ─────────────────────────────────────────────── */
.category-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
}

/* ─── Stock Indicator ─────────────────────────────────────────────────── */
.stock-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stock-indicator__qty {
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
}

.stock-indicator__bar {
  flex: 1;
  max-width: 80px;
}

/* ─── Inline Quantity Buttons ─────────────────────────────────────────── */
.qty-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.qty-controls__btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.qty-controls__btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.qty-controls__value {
  min-width: 48px;
  text-align: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

/* ─── Period selector tabs ────────────────────────────────────────────── */
.period-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}

.period-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.period-tab:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }

.period-tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  font-weight: 600;
}

/* ─── Chart container ─────────────────────────────────────────────────── */
.chart-wrap {
  position: relative;
  width: 100%;
  min-height: 200px;
}

/* ─── Scanner frame ───────────────────────────────────────────────────── */
.scanner-viewfinder {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #000;
  max-width: 480px;
  margin: 0 auto;
}

.scanner-viewfinder video {
  width: 100%;
  display: block;
}

.scanner-frame {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.scanner-frame__box {
  width: 64%;
  aspect-ratio: 1.6;
  border: 2.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 9999px rgb(0 0 0 / .4);
  animation: pulse-border 2s ease infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: var(--color-primary); }
  50%       { border-color: white; }
}

/* ─── Confirmation dialog ─────────────────────────────────────────────── */
.confirm-dialog {
  text-align: center;
  padding: var(--space-4) 0;
}

.confirm-dialog__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.confirm-dialog__title { font-size: var(--font-size-xl); font-weight: 700; margin-bottom: var(--space-2); }
.confirm-dialog__desc  { color: var(--color-text-secondary); font-size: var(--font-size-sm); }