/* ─── AgentiCRM — Global Stylesheet ───────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary:        #6366F1;
  --primary-dark:   #4F46E5;
  --primary-light:  #EEF2FF;
  --sidebar-bg:     #0F172A;
  --sidebar-border: #1E293B;
  --sidebar-text:   #94A3B8;
  --sidebar-hover:  #1E293B;
  --sidebar-active: #6366F1;
  --body-bg:        #F1F5F9;
  --card-bg:        #FFFFFF;
  --topbar-bg:      #FFFFFF;
  --text-primary:   #0F172A;
  --text-secondary: #64748B;
  --text-muted:     #94A3B8;
  --border:         #E2E8F0;
  --success:        #22C55E;
  --success-light:  #F0FDF4;
  --warning:        #F59E0B;
  --warning-light:  #FFFBEB;
  --danger:         #EF4444;
  --danger-light:   #FEF2F2;
  --info:           #06B6D4;
  --info-light:     #ECFEFF;
  --sidebar-width:  260px;
  --topbar-height:  64px;
  --radius:         10px;
  --radius-sm:      6px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08);
  --shadow:         0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:      0 8px 32px rgba(0,0,0,.14);
  --transition:     .2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--body-bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

/* ─── Layout ────────────────────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ─── Sidebar ───────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: width var(--transition), transform var(--transition);
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: #334155; border-radius: 2px; }

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: var(--topbar-height);
}

.logo-icon-sm {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), #8B5CF6);
  border-radius: 8px;
  display: flex;align-items:center;justify-content:center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.sidebar-logo span {
  color: #F8FAFC;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.3px;
  white-space: nowrap;
}

.sidebar-nav { flex: 1; padding: 1rem 0; }

.nav-section-label {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sidebar-text);
  padding: .75rem 1.25rem .25rem;
  opacity: .6;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1.25rem;
  color: var(--sidebar-text);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  border-left: 3px solid transparent;
  white-space: nowrap;
  font-size: .875rem;
  font-weight: 500;
}

.nav-item i { font-size: 1.05rem; flex-shrink: 0; }

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #E2E8F0;
}

.nav-item.active {
  background: rgba(99,102,241,.15);
  color: #fff;
  border-left-color: var(--primary);
}

.nav-item.active i { color: var(--primary); }

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: .5rem;
}

.user-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), #8B5CF6);
  border-radius: 50%;
  display: flex;align-items:center;justify-content:center;
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.user-info { flex: 1; overflow: hidden; }
.user-name {
  color: #E2E8F0;
  font-size: .8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role { color: var(--sidebar-text); font-size: .7rem; }

.logout-btn {
  color: var(--sidebar-text);
  font-size: 1.1rem;
  padding: .25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.logout-btn:hover { color: var(--danger); background: rgba(239,68,68,.1); }

/* Collapsed sidebar */
.sidebar.collapsed { width: 72px; }
.sidebar.collapsed .sidebar-logo span,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .user-info,
.sidebar.collapsed .logout-btn { display: none; }
.sidebar.collapsed .nav-item { justify-content: center; padding: .7rem; border-left: none; border-radius: 0; }
.sidebar.collapsed .sidebar-logo { justify-content: center; }
.sidebar.collapsed .sidebar-footer { justify-content: center; }

/* ─── Main Content ───────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition);
}

.main-content.expanded { margin-left: 72px; }

/* ─── Topbar ────────────────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-height);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.3rem;
  padding: .25rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  display: flex;align-items:center;
}
.sidebar-toggle:hover { background: var(--body-bg); color: var(--primary); }

.page-title { font-size: 1rem; font-weight: 600; color: var(--text-primary); flex: 1; }

.topbar-right { display: flex; align-items: center; gap: 1rem; }

.topbar-time {
  font-size: .8rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* ─── Flash Messages ─────────────────────────────────────────────────────── */
.flash-message {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1.25rem;
  margin: 1rem 1.5rem 0;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  transition: opacity .3s ease;
}
.flash-message button {
  margin-left: auto;
  background: none;border: none;cursor: pointer;
  opacity: .6;font-size:1rem;
}
.flash-success { background: var(--success-light); color: #15803D; border: 1px solid #BBF7D0; }
.flash-error   { background: var(--danger-light);  color: #DC2626; border: 1px solid #FECACA; }
.flash-warning { background: var(--warning-light); color: #B45309; border: 1px solid #FDE68A; }
.flash-info    { background: var(--info-light);    color: #0E7490; border: 1px solid #A5F3FC; }

/* ─── Content Area ───────────────────────────────────────────────────────── */
.content-area { padding: 1.5rem; flex: 1; }

/* ─── Cards ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: .75rem;
  background: var(--card-bg);
}

.card-title {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.card-body { padding: 1.25rem; }

/* ─── Stat Cards ─────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  display: flex;align-items:center;justify-content:center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.stat-icon.indigo  { background: var(--primary-light); color: var(--primary); }
.stat-icon.green   { background: var(--success-light);  color: var(--success); }
.stat-icon.yellow  { background: var(--warning-light);  color: var(--warning); }
.stat-icon.red     { background: var(--danger-light);   color: var(--danger);  }
.stat-icon.cyan    { background: var(--info-light);     color: var(--info);    }

.stat-info { flex: 1; min-width: 0; }
.stat-label { font-size: .75rem; color: var(--text-muted); font-weight: 500; margin-bottom: .2rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); line-height: 1; }
.stat-sub   { font-size: .75rem; color: var(--text-secondary); margin-top: .25rem; }

/* ─── Tables ─────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: .875rem; }

thead th {
  background: #F8FAFC;
  color: var(--text-secondary);
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr { border-bottom: 1px solid var(--border); transition: background var(--transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #FAFAFA; }
tbody td { padding: .75rem 1rem; vertical-align: middle; }

.td-actions { display: flex; gap: .4rem; }

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn:active { transform: scale(.97); }

.btn-primary   { background: var(--primary);  color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

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

.btn-danger    { background: var(--danger);  color: #fff; }
.btn-danger:hover { background: #DC2626; }

.btn-warning   { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #D97706; }

.btn-outline   { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-outline:hover { background: var(--body-bg); color: var(--text-primary); }

.btn-ghost     { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--body-bg); color: var(--primary); }

.btn-sm { padding: .3rem .65rem; font-size: .75rem; }
.btn-lg { padding: .75rem 1.5rem; font-size: .9rem; }
.btn-icon { padding: .4rem; width: 32px; height: 32px; justify-content: center; }

.btn-edit   { background: var(--primary-light); color: var(--primary); }
.btn-edit:hover { background: var(--primary); color: #fff; }

.btn-delete { background: var(--danger-light); color: var(--danger); }
.btn-delete:hover { background: var(--danger); color: #fff; }

/* ─── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;align-items:center;
  padding: .2rem .55rem;
  border-radius: 50px;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
}
.badge-success { background: var(--success-light); color: #15803D; }
.badge-danger  { background: var(--danger-light);  color: #DC2626; }
.badge-warning { background: var(--warning-light); color: #92400E; }
.badge-primary { background: var(--primary-light); color: var(--primary-dark); }
.badge-info    { background: var(--info-light);    color: #0E7490; }
.badge-gray    { background: #F1F5F9; color: #64748B; }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: .35rem;
}

.form-group label i { margin-right: .25rem; }

.form-control {
  width: 100%;
  padding: .55rem .85rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .875rem;
  color: var(--text-primary);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.form-control.is-invalid { border-color: var(--danger); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.input-with-toggle { position: relative; }
.input-with-toggle input { padding-right: 2.5rem; }
.input-with-toggle button {
  position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  font-size: 1rem;padding: .2rem;
}

/* ─── Search bar ─────────────────────────────────────────────────────────── */
.search-bar {
  position: relative;
  width: 280px;
}
.search-bar i {
  position: absolute; left: .75rem; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: .9rem;
}
.search-bar input {
  padding-left: 2.25rem;
  width: 100%;
  height: 36px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: .8rem;
  background: var(--body-bg);
  transition: border-color var(--transition), background var(--transition);
  font-family: inherit;
  color: var(--text-primary);
}
.search-bar input:focus {
  outline: none; border-color: var(--primary);
  background: #fff; box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}

/* ─── Toolbar ────────────────────────────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.toolbar-left  { display: flex; align-items: center; gap: .5rem; flex: 1; flex-wrap: wrap; }
.toolbar-right { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

/* ─── Modal ──────────────────────────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  backdrop-filter: blur(2px);
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .2s ease;
}

.modal-lg { max-width: 720px; }
.modal-xl { max-width: 900px; }

@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1)  translateY(0);      }
}

.modal-header {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: .75rem;
}
.modal-title { font-size: .95rem; font-weight: 700; color: var(--text-primary); flex: 1; }
.modal-close {
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  font-size: 1.2rem; padding: .2rem; border-radius: 4px;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--body-bg); color: var(--danger); }
.modal-body   { padding: 1.25rem; }
.modal-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); display: flex; gap: .5rem; justify-content: flex-end; }

/* ─── Pagination ─────────────────────────────────────────────────────────── */
.pagination {
  display: flex; align-items: center; gap: .25rem;
  padding: .75rem 1rem;
  border-top: 1px solid var(--border);
  justify-content: center;
}

.page-btn {
  min-width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--card-bg); color: var(--text-secondary);
  font-size: .8rem; font-weight: 500; cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover        { border-color: var(--primary); color: var(--primary); }
.page-btn.active       { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn:disabled     { opacity: .4; cursor: default; }

/* ─── POS Specific ───────────────────────────────────────────────────────── */
.pos-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.25rem;
  align-items: start;
}

.products-panel .product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: .75rem;
  max-height: calc(100vh - 220px);
  overflow-y: auto;
  padding: 1rem;
}

.product-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  display: flex; flex-direction: column; gap: .4rem;
  position: relative;
}
.product-card:hover { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.12); }
.product-card.out-of-stock { opacity: .5; cursor: not-allowed; }

.product-card-name { font-weight: 600; font-size: .825rem; color: var(--text-primary); line-height: 1.3; }
.product-card-sku  { font-size: .7rem; color: var(--text-muted); }
.product-card-price { font-size: 1rem; font-weight: 700; color: var(--primary); margin-top: .25rem; }
.product-card-stock { font-size: .7rem; }

/* Cart */
.cart-panel {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  position: sticky; top: calc(var(--topbar-height) + 1rem);
  max-height: calc(100vh - var(--topbar-height) - 2.5rem);
  overflow: hidden;
}

.cart-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); }
.cart-title   { font-size: .9rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.cart-badge   { background: var(--primary); color: #fff; border-radius: 50px; font-size: .65rem; padding: .1rem .45rem; }

.cart-items { flex: 1; overflow-y: auto; padding: .75rem 1rem; }
.cart-empty { text-align: center; padding: 2rem 1rem; color: var(--text-muted); }
.cart-empty i { font-size: 2rem; margin-bottom: .5rem; display: block; }

.cart-item {
  display: flex; gap: .75rem; align-items: center;
  padding: .6rem 0; border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name  { font-size: .8rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-price { font-size: .75rem; color: var(--text-muted); }
.cart-item-subtotal { font-size: .875rem; font-weight: 700; color: var(--primary); flex-shrink: 0; }

.qty-ctrl { display: flex; align-items: center; gap: .25rem; }
.qty-btn {
  width: 24px; height: 24px; border-radius: 4px;
  border: 1px solid var(--border); background: var(--body-bg);
  cursor: pointer; font-size: .85rem;
  display: flex;align-items:center;justify-content:center;
  transition: all var(--transition);
}
.qty-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.qty-val { min-width: 28px; text-align: center; font-size: .8rem; font-weight: 700; }

.cart-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); }
.cart-totals { margin-bottom: .75rem; }
.cart-row { display: flex; justify-content: space-between; font-size: .825rem; margin-bottom: .35rem; color: var(--text-secondary); }
.cart-row.total { font-size: 1rem; font-weight: 700; color: var(--text-primary); border-top: 1px solid var(--border); padding-top: .5rem; margin-top: .25rem; }

/* ─── Charts ─────────────────────────────────────────────────────────────── */
.chart-container { position: relative; }

/* ─── Inventory ──────────────────────────────────────────────────────────── */
.stock-number { font-weight: 700; font-size: 1rem; }
.stock-low    { color: var(--warning); }
.stock-zero   { color: var(--danger); }
.stock-ok     { color: var(--success); }

/* ─── Login Page ─────────────────────────────────────────────────────────── */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #312E81 100%);
}

.login-wrapper { width: 100%; max-width: 420px; padding: 1rem; }

.login-card {
  background: rgba(255,255,255,.98);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  box-shadow: 0 25px 50px rgba(0,0,0,.35);
}

.login-logo { text-align: center; margin-bottom: 2rem; }
.logo-icon {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, var(--primary), #8B5CF6);
  border-radius: 16px;
  display: inline-flex;align-items:center;justify-content:center;
  color: #fff; font-size: 1.8rem;
  margin-bottom: 1rem;
  box-shadow: 0 8px 24px rgba(99,102,241,.4);
}
.login-logo h1 { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); letter-spacing: -.5px; }
.login-logo p  { color: var(--text-muted); font-size: .8rem; margin-top: .25rem; }

.alert-error {
  background: var(--danger-light); color: #DC2626;
  border: 1px solid #FECACA; border-radius: var(--radius-sm);
  padding: .65rem .9rem; font-size: .825rem;
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: 1rem;
}

.btn-login {
  width: 100%; padding: .75rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; border: none; border-radius: var(--radius-sm);
  font-size: .9rem; font-weight: 700; cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: inherit;
}
.btn-login:hover { opacity: .92; transform: translateY(-1px); }

.login-footer { text-align: center; margin-top: 1.25rem; font-size: .75rem; color: var(--text-muted); }

/* ─── Toasts ─────────────────────────────────────────────────────────────── */
#toastContainer {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 9999; display: flex; flex-direction: column; gap: .5rem;
  max-width: 340px; pointer-events: none;
}

.toast {
  background: #1E293B; color: #F1F5F9;
  border-radius: var(--radius); padding: .85rem 1rem;
  display: flex; align-items: center; gap: .75rem;
  box-shadow: var(--shadow-lg);
  opacity: 0; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: all;
  font-size: .825rem;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast button { margin-left: auto; background: none; border: none; color: inherit; cursor: pointer; opacity: .6; font-size: .9rem; }

.toast i { font-size: 1rem; flex-shrink: 0; }
.toast-success i { color: var(--success); }
.toast-error   i { color: var(--danger); }
.toast-warning i { color: var(--warning); }
.toast-info    i { color: var(--info); }

/* ─── Misc Utilities ─────────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: .25rem; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; } .gap-4 { gap: 1rem; }
.mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-3 { margin-top: .75rem; } .mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: .25rem; } .mb-2 { margin-bottom: .5rem; } .mb-3 { margin-bottom: .75rem; } .mb-4 { margin-bottom: 1rem; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: .8rem; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.w-100 { width: 100%; }

.empty-state {
  text-align: center; padding: 3rem 1rem; color: var(--text-muted);
}
.empty-state i { font-size: 2.5rem; display: block; margin-bottom: .75rem; opacity: .4; }
.empty-state p { font-size: .9rem; }

/* ─── Divider ────────────────────────────────────────────────────────────── */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.25rem;
}
.section-header h2 { font-size: 1rem; font-weight: 700; }

/* ─── Print / Receipt ────────────────────────────────────────────────────── */
.receipt { display: none; }

@media print {
  body * { visibility: hidden; }
  .receipt, .receipt * { visibility: visible; }
  .receipt {
    display: block;
    position: absolute; top: 0; left: 0;
    width: 80mm;
    font-family: 'Courier New', monospace;
    font-size: 12px;
  }
  .receipt-title { text-align: center; font-size: 16px; font-weight: bold; margin-bottom: 8px; }
  .receipt-line  { border-top: 1px dashed #000; margin: 6px 0; }
  .receipt-row   { display: flex; justify-content: space-between; margin: 2px 0; }
  .receipt-total { font-weight: bold; }
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .pos-layout { grid-template-columns: 1fr; }
  .cart-panel { position: relative; top: auto; max-height: none; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .content-area { padding: 1rem; }
}