/* ============================================================
   Sasha Inventory — Main Component Styles (style.css)
   Load after glass.css
   ============================================================ */

/* ---------- Layout Shell ---------- */
.app-shell {
  display: flex;
  min-height: 100vh;
  padding-bottom: calc(var(--bottomnav-h) + var(--space-lg));
}

.app-main {
  flex: 1;
  min-width: 0;
  padding: var(--space-lg);
  padding-top: calc(var(--topbar-h) + var(--space-lg));
}

@media (min-width: 1024px) {
  .app-shell { padding-bottom: 0; }
  .app-main { padding-left: calc(var(--sidebar-w) + var(--space-xl)); }
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Top Bar ---------- */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0 var(--space-lg);
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: var(--z-topbar);
}

.topbar-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

@media (min-width: 1024px) {
  .topbar { left: var(--sidebar-w); }
  .burger-btn { display: none; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: 0 var(--space-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-base), transform var(--transition-fast), box-shadow var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
  line-height: 1;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-strong), var(--primary)); box-shadow: 0 0 32px rgba(124, 58, 237, 0.65); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #EA580C);
  color: #fff;
  box-shadow: var(--glow-accent);
}
.btn-accent:hover { box-shadow: 0 0 32px rgba(249, 115, 22, 0.6); }

.btn-success { background: var(--success); color: #052E16; }
.btn-success:hover { background: #16A34A; }

.btn-danger { background: rgba(239, 68, 68, 0.18); color: #FCA5A5; border-color: rgba(239, 68, 68, 0.4); }
.btn-danger:hover { background: rgba(239, 68, 68, 0.32); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-glass);
  border-color: var(--glass-border);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); }

.btn-block { width: 100%; }

/* Icon-only buttons */
.btn-icon {
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-on-glass);
  cursor: pointer;
  transition: background var(--transition-base);
}
.btn-icon:hover { background: rgba(255, 255, 255, 0.14); }

/* Floating Action Button (mobile) */
.fab {
  position: fixed;
  right: var(--space-lg);
  bottom: calc(var(--bottomnav-h) + var(--space-lg));
  z-index: var(--z-base);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--accent), #EA580C);
  color: #fff;
  border: none;
  box-shadow: 0 8px 24px rgba(249, 115, 22, 0.5), var(--glow-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
}
.fab:hover { transform: translateY(-3px); }
.fab:active { transform: scale(0.95); }

@media (min-width: 1024px) { .fab { display: none; } }

/* ---------- Cards ---------- */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card-hover { cursor: pointer; }
.card-hover:hover { border-color: var(--glass-border-strong); box-shadow: var(--shadow-md); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-on-glass);
}

/* KPI stat cards */
.kpi {
  padding: var(--space-lg);
}
.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.kpi-value {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1.2;
  margin: var(--space-sm) 0 var(--space-xs);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
}
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: var(--space-md);
}
.grid-stats {
  grid-template-columns: 1fr;
}
.grid-stats > * {
  min-width: 0;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-stats { grid-template-columns: repeat(4, 1fr); }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 620px;
}

thead th {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: var(--space-md);
  border-bottom: 1px solid var(--glass-border-strong);
  white-space: nowrap;
}

tbody td {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody tr {
  transition: background var(--transition-base);
  cursor: pointer;
}
tbody tr:hover { background: rgba(255, 255, 255, 0.05); }

.table-sticky-first th:first-child,
.table-sticky-first td:first-child {
  font-weight: 600;
}

/* Mobile card tables (row cards on small screens) */
@media (max-width: 639px) {
  .table-responsive-cards {
    display: block;
    min-width: 0;
    width: 100%;
  }
  .table-responsive-cards thead { display: none; }
  .table-responsive-cards tbody { display: block; }
  .table-responsive-cards tr {
    display: block;
    margin-bottom: var(--space-md);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-md);
    cursor: pointer;
  }
  .table-responsive-cards td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    padding: var(--space-sm) 0;
  }
  .table-responsive-cards td > * {
    min-width: 0;
  }
  .table-responsive-cards td:last-child { border-bottom: none; }
  .table-responsive-cards td::before {
    content: attr(data-label);
    font-family: var(--font-heading);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    flex-shrink: 0;
  }
}

/* ---------- Forms ---------- */
.field { margin-bottom: var(--space-lg); }

/* Product image field */
.image-field {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}
.image-preview {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  border: 1px dashed var(--glass-border-strong);
  background: rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.image-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media (max-width: 480px) {
  .image-field { flex-direction: column; }
}

label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-on-glass);
}

.input,
.select,
.textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px; /* prevents iOS zoom */
  transition: border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
}

.textarea { min-height: 110px; resize: vertical; }

.input::placeholder,
.textarea::placeholder { color: var(--text-muted); }

.input:hover,
.select:hover,
.textarea:hover { background: rgba(255, 255, 255, 0.1); }

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--secondary);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.25);
}

.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='rgba(255,255,255,0.7)' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 18px;
  padding-right: calc(var(--space-md) + 28px);
}

.select option { background: #1E1B4B; color: #fff; }

/* Search bar */
.search {
  position: relative;
  flex: 1;
  max-width: 100%;
}
.search input {
  padding-left: calc(var(--space-lg) + 24px);
  padding-right: 48px;
}
.search .search-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  display: flex;
  pointer-events: none;
}
.search .search-scan,
.field-scan .search-scan {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  min-width: 40px;
  height: 40px;
  min-height: 40px;
}
.field-scan { position: relative; flex: 1; min-width: 0; }
.field-scan .input { padding-right: 48px; }
.barcode-scanner-area video {
  width: 100% !important;
  border-radius: var(--radius-md);
  background: #000;
}

/* Filter chips */
.chips {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 var(--space-md);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}
.chip:hover { background: rgba(255, 255, 255, 0.12); }
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-success { color: var(--success); border-color: rgba(34, 197, 94, 0.35); background: rgba(34, 197, 94, 0.1); }
.badge-warning { color: var(--warning); border-color: rgba(245, 158, 11, 0.35); background: rgba(245, 158, 11, 0.1); }
.badge-danger  { color: #FCA5A5; border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.1); }
.badge-info    { color: var(--info); border-color: rgba(56, 189, 248, 0.35); background: rgba(56, 189, 248, 0.1); }
.badge-neutral { color: var(--text-secondary); border-color: var(--glass-border); background: rgba(255, 255, 255, 0.05); }

/* ---------- Sidebar (desktop) ---------- */
.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  gap: var(--space-lg);
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  z-index: var(--z-nav);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}

.sidebar.open { transform: translateX(0); }

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: var(--text-primary);
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glow-primary);
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
}

.brand-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: 48px;
  padding: 0 var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: background var(--transition-base), color var(--transition-base);
}

.nav-link svg { flex-shrink: 0; }

.nav-link:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); }

.nav-link.active {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.35), rgba(124, 58, 237, 0.15));
  color: #fff;
  border: 1px solid rgba(167, 139, 250, 0.4);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.25);
}

.nav-section {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md) 0;
  margin-top: var(--space-sm);
}

.nav-badge-count {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  min-width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
}

@media (min-width: 1024px) {
  .sidebar { transform: none; }
}

/* ---------- Bottom Navigation (mobile) ---------- */
.bottom-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  display: flex;
  align-items: stretch;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  z-index: var(--z-nav);
}

.bottom-nav-link {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 500;
  min-height: 44px;
  transition: color var(--transition-base);
}

.bottom-nav-link.active { color: var(--accent); }

.bottom-nav-link .nav-badge-count {
  position: absolute;
  margin-left: 18px;
  margin-top: -30px;
}

@media (min-width: 1024px) { .bottom-nav { display: none; } }

/* ---------- Drawer Overlay ---------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-nav);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ---------- Modals ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

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

.modal {
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  background: rgba(30, 27, 75, 0.9);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-xl);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.modal-overlay.show .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.modal-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 600; }

.modal-close {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-on-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
.modal-close:hover { background: rgba(255, 255, 255, 0.14); }

@media (min-width: 640px) {
  .modal-overlay { align-items: center; padding: var(--space-lg); }
  .modal {
    max-width: 520px;
    border-radius: var(--radius-xl);
    transform: translateY(16px) scale(0.97);
  }
  .modal-overlay.show .modal { transform: translateY(0) scale(1); }
}

/* ---------- Toasts ---------- */
.toast-container {
  position: fixed;
  top: calc(var(--topbar-h) + var(--space-md));
  right: var(--space-md);
  left: var(--space-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

@media (min-width: 640px) {
  .toast-container { left: auto; width: 360px; }
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(30, 27, 75, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: toast-in var(--transition-base);
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.info { border-left: 4px solid var(--info); }

.toast-icon { flex-shrink: 0; color: var(--text-on-glass); }

.toast-title { font-weight: 600; font-size: 0.92rem; color: var(--text-primary); }
.toast-message { font-size: 0.85rem; color: var(--text-secondary); }

.toast-close {
  margin-left: auto;
  width: 28px;
  height: 28px;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}
.toast-close:hover { color: var(--text-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Page Header ---------- */
.page-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-muted);
}

.empty-state svg { margin-bottom: var(--space-md); opacity: 0.6; }
.empty-state h3 { color: var(--text-on-glass); margin-bottom: var(--space-xs); }

/* ---------- Misc Utilities ---------- */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-danger { color: #FCA5A5; }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-mono { font-family: var(--font-mono); }
.font-heading { font-family: var(--font-heading); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.flex-1 { flex: 1; min-width: 0; }
.wrap { flex-wrap: wrap; }

/* Location permission picker (users page) */
.loc-perm-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--glass-border);
}
.loc-perm-row:last-child { border-bottom: 0; }
.loc-perm-row .select { width: 132px; flex-shrink: 0; }

/* Responsive show/hide helpers */
.hidden-xs { display: inline; }
.visible-xs { display: none; }
@media (max-width: 480px) {
  .hidden-xs { display: none; }
  .visible-xs { display: inline; }
}

/* ============================================================
   Mobile-Primary Polish — primary devices are phones/tablets
   ============================================================ */

/* Prevent tap-highlight flash and text selection on UI */
* { -webkit-tap-highlight-color: transparent; }
.btn, .chip, .nav-link, .bottom-nav-link, .card-hover,
.table-responsive-cards tbody tr, .fab { -webkit-user-select: none; user-select: none; }

/* Touch-friendly table rows (mobile card list) */
@media (max-width: 1023px) {
  .table-responsive-cards tbody tr { padding: var(--space-md); }
  .table-responsive-cards td { padding: 10px 0; }
  .table-responsive-cards td::before { min-width: 88px; }
  .qty { min-width: 52px; }
}

/* ---------- Quantity chips (stock matrix) ---------- */
.qty {
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 48px;
  text-align: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}
.qty.low    { background: rgba(239, 68, 68, 0.16); color: #FCA5A5; }
.qty.medium { background: rgba(245, 158, 11, 0.16); color: var(--warning); }
.qty.ok     { background: rgba(34, 197, 94, 0.14); color: var(--success); }
.qty.out    { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }

/* ---------- Alert banners ---------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
}
.alert-info    { background: rgba(56, 189, 248, 0.12); border: 1px solid rgba(56, 189, 248, 0.4); color: var(--info); }
.alert-success { background: rgba(34, 197, 94, 0.12);  border: 1px solid rgba(34, 197, 94, 0.4);  color: var(--success); }
.alert-error   { background: rgba(239, 68, 68, 0.15);  border: 1px solid rgba(239, 68, 68, 0.4);  color: #FCA5A5; }
.alert-warning { background: rgba(245, 158, 11, 0.14); border: 1px solid rgba(245, 158, 11, 0.4); color: var(--warning); }

/* Flash message banner shown at top of content */
.flash-banner { margin-bottom: var(--space-lg); }

/* ---------- Improved bottom nav (thumb zone) ---------- */
@media (max-width: 1023px) {
  .bottom-nav {
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.35);
  }
  .bottom-nav-link { position: relative; }
  .bottom-nav-link.active::before {
    content: '';
    position: absolute;
    top: 8px;
    width: 34px;
    height: 3px;
    border-radius: var(--radius-full);
    background: var(--accent);
  }
  .bottom-nav-link span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 4px;
  }
  /* Sticky search/chips when scrolling lists */
  .sticky-filters {
    position: sticky;
    top: var(--topbar-h);
    z-index: 20;
    background: rgba(15, 23, 42, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: var(--space-sm) 0;
    margin: 0 calc(var(--space-lg) * -1);
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }
}

/* ---------- Standalone (PWA) tweaks ---------- */
@media (display-mode: standalone) {
  .topbar { padding-top: env(safe-area-inset-top); height: calc(var(--topbar-h) + env(safe-area-inset-top)); }
  .app-main { padding-top: calc(var(--topbar-h) + env(safe-area-inset-top) + var(--space-lg)); }
  .topbar .btn-icon:first-child { display: none; } /* no burger in standalone */
}

/* Larger tap targets on small phones */
@media (max-width: 420px) {
  .btn, .btn-icon, .chip, .input, .select, .textarea, .fab { min-height: 48px; }
  .nav-link { min-height: 52px; }
}

/* ---------- Page transitions (smooth) ---------- */
.app-main > .container > * {
  animation: fade-in 260ms ease both;
}
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}