/* =====================================================
   FRENCH TACOS ADMIN — Complete Custom CSS
   No Bootstrap. Professional dashboard design.
   ===================================================== */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---- CSS Variables ---- */
:root {
  --brand:        #FF6B00;
  --brand-dark:   #E05A00;
  --brand-light:  rgba(255, 107, 0, 0.12);

  --sidebar-bg:   #0D1117;
  --sidebar-border: rgba(255,255,255,0.06);
  --sidebar-text: #8B949E;
  --sidebar-text-active: #FFFFFF;

  --content-bg:   #F8FAFC;
  --topbar-bg:    #FFFFFF;
  --card-bg:      #FFFFFF;

  --text-primary:   #0F172A;
  --text-secondary: #64748B;
  --text-muted:     #94A3B8;

  --border:       #E2E8F0;
  --border-focus: #FF6B00;

  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    16px;

  --shadow-sm:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:       0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg:    0 10px 30px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-modal: 0 20px 60px rgba(0,0,0,0.2), 0 8px 20px rgba(0,0,0,0.1);

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;

  --sidebar-w: 260px;
  --topbar-h: 64px;

  --transition: 0.2s ease;

  --success: #10B981;
  --warning: #F59E0B;
  --danger:  #EF4444;
  --info:    #3B82F6;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--content-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img { max-width: 100%; display: block; }

/* =====================================================
   LAYOUT — Sidebar + Main
   ===================================================== */

.admin-layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* =====================================================
   SIDEBAR
   ===================================================== */

.sidebar {
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--sidebar-border);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }

/* Brand / Logo area */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--sidebar-border);
  text-decoration: none;
}

.sidebar-brand-icon {
  width: 36px;
  height: 36px;
  background: var(--brand);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-brand-name {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.3px;
}

.sidebar-brand-sub {
  font-size: 11px;
  color: var(--sidebar-text);
  font-weight: 400;
}

/* Nav sections */
.sidebar-nav {
  padding: var(--sp-4) var(--sp-3);
  flex: 1;
}

.sidebar-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--sidebar-text);
  padding: var(--sp-3) var(--sp-3) var(--sp-2);
  margin-top: var(--sp-4);
}

.sidebar-section-label:first-child { margin-top: 0; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
  margin-bottom: 2px;
  position: relative;
}

.sidebar-link i {
  font-size: 15px;
  width: 18px;
  flex-shrink: 0;
  text-align: center;
}

.sidebar-link:hover {
  background: rgba(255,255,255,0.06);
  color: #FFFFFF;
}

.sidebar-link.active {
  background: rgba(255, 107, 0, 0.15);
  color: #FFFFFF;
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--brand);
  border-radius: 0 3px 3px 0;
}

.sidebar-link.active i { color: var(--brand); }

/* Sidebar footer */
.sidebar-footer {
  padding: var(--sp-4) var(--sp-4);
  border-top: 1px solid var(--sidebar-border);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }

.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: var(--sidebar-text);
}

.sidebar-logout {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sidebar-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.sidebar-logout:hover {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
}

/* =====================================================
   MAIN AREA
   ===================================================== */

.main-area {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

/* =====================================================
   TOPBAR
   ===================================================== */

.topbar {
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-6);
  gap: var(--sp-4);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  flex: 1;
}

.topbar-title span {
  color: var(--brand);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* =====================================================
   CONTENT AREA
   ===================================================== */

.content {
  flex: 1;
  padding: var(--sp-6);
  background: var(--content-bg);
}

/* =====================================================
   CARD COMPONENT
   ===================================================== */

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--border);
  background: #FAFAFA;
}

.card-header-left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.card-header h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.card-header i {
  color: var(--brand);
  font-size: 16px;
}

.card-body {
  padding: var(--sp-5) var(--sp-6);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn-primary, .btn-secondary, .btn-danger, .btn-success, .btn-warning, .btn-info {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 9px 18px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand);
  color: #FFFFFF;
}
.btn-primary:hover {
  background: var(--brand-dark);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,0,0.35);
}

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

.btn-danger {
  background: var(--danger);
  color: #FFFFFF;
}
.btn-danger:hover {
  background: #DC2626;
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-success {
  background: var(--success);
  color: #FFFFFF;
}
.btn-success:hover {
  background: #059669;
  color: #FFFFFF;
  transform: translateY(-1px);
}

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

.btn-info {
  background: var(--info);
  color: #FFFFFF;
}
.btn-info:hover {
  background: #2563EB;
  color: #FFFFFF;
}

/* Icon buttons (32x32 square) */
.btn-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 13px;
  transition: all var(--transition);
  background: transparent;
  color: var(--text-secondary);
  padding: 0;
  font-family: inherit;
}

.btn-icon:hover { transform: scale(1.1); }

.btn-icon.btn-edit {
  color: var(--info);
  background: rgba(59,130,246,0.08);
}
.btn-icon.btn-edit:hover { background: rgba(59,130,246,0.18); }

.btn-icon.btn-delete {
  color: var(--danger);
  background: rgba(239,68,68,0.08);
}
.btn-icon.btn-delete:hover { background: rgba(239,68,68,0.18); }

.btn-icon.btn-secondary {
  color: var(--text-secondary);
  background: rgba(100,116,139,0.08);
  border: none;
  width: 32px;
  height: 32px;
  padding: 0;
}
.btn-icon.btn-secondary:hover { background: rgba(100,116,139,0.18); }

.btn-icon.btn-stock {
  color: var(--success);
  background: rgba(16,185,129,0.08);
}
.btn-icon.btn-stock:hover { background: rgba(16,185,129,0.18); }

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

/* =====================================================
   FORM CONTROLS
   ===================================================== */

.form-group {
  margin-bottom: var(--sp-4);
}

.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
  letter-spacing: 0.1px;
}

.form-control {
  width: 100%;
  padding: 9px 13px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  display: block;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.12);
}

.form-control::placeholder { color: var(--text-muted); }

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

/* Custom Select — NO browser default arrow */
.form-select {
  width: 100%;
  padding: 9px 36px 9px 13px;
  background-color: var(--card-bg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text-primary);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

.form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.12);
}

/* Form check / checkbox */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  cursor: pointer;
}

.form-check-input {
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border);
  border-radius: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--card-bg);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
  position: relative;
}

.form-check-input:checked {
  background: var(--brand);
  border-color: var(--brand);
}

.form-check-input:checked::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 1px;
  width: 5px;
  height: 8px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.form-check-label {
  font-size: 13.5px;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 500;
}

.form-text {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Input group (translate button) */
.input-group {
  display: flex;
  gap: var(--sp-2);
}

.input-group .form-select { flex: 1; }

/* =====================================================
   TABS
   ===================================================== */

.tabs {
  display: flex;
  gap: 2px;
  background: var(--card-bg);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 6px 6px 0;
  overflow-x: auto;
  scrollbar-width: none;
  flex-wrap: nowrap;
}

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

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition);
  position: relative;
  outline: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(0,0,0,0.04);
}

.tab-btn.active {
  color: var(--brand);
  border-bottom-color: var(--brand);
  background: var(--content-bg);
  font-weight: 600;
}

.tab-btn i { font-size: 13px; }

.tab-panels {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.tab-panel {
  display: none;
  padding: var(--sp-5) var(--sp-6);
  animation: fadeIn 0.18s ease;
}

.tab-panel.active {
  display: block;
}

/* =====================================================
   ITEM ROWS (list items in tabs)
   ===================================================== */

.item-row {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius);
  transition: background var(--transition);
  border: 1px solid transparent;
}

.item-row:hover {
  background: var(--content-bg);
  border-color: var(--border);
}

.item-row + .item-row {
  border-top: 1px solid var(--border);
  border-radius: 0;
}

.item-row:last-child { border-radius: 0 0 var(--radius) var(--radius); }
.item-row:first-child { border-radius: var(--radius) var(--radius) 0 0; }

/* Drag handle */
.drag-handle {
  color: var(--text-muted);
  cursor: grab;
  font-size: 16px;
  padding: var(--sp-1);
  flex-shrink: 0;
  transition: color var(--transition);
}
.drag-handle:hover { color: var(--text-secondary); }
.drag-handle:active { cursor: grabbing; }

/* Item image */
.item-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--content-bg);
}

/* Item info */
.item-info {
  flex: 1;
  min-width: 0;
}

.item-name {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.item-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Size chips */
.size-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.size-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  background: var(--brand-light);
  color: var(--brand);
  border-radius: 20px;
  cursor: pointer;
  transition: background var(--transition);
  border: 1px solid rgba(255,107,0,0.2);
}

.size-chip:hover { background: rgba(255,107,0,0.2); }

/* Item actions */
.item-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

/* Badges */
.badge-available, .badge-unavailable {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-available {
  background: rgba(16,185,129,0.12);
  color: #059669;
}

.badge-unavailable {
  background: rgba(239,68,68,0.1);
  color: #DC2626;
}

/* =====================================================
   MODAL
   ===================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px var(--sp-4);
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  backdrop-filter: blur(2px);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  width: 100%;
  max-width: 680px;
  margin: auto;
  transform: translateY(16px) scale(0.99);
  transition: transform 0.2s ease;
  border: 1px solid var(--border);
}

.modal-overlay.active .modal-box {
  transform: translateY(0) scale(1);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--border);
}

.modal-head h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--content-bg);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 16px;
  transition: all var(--transition);
  flex-shrink: 0;
}

.modal-close:hover {
  background: var(--danger);
  color: #fff;
}

.modal-body {
  padding: var(--sp-6);
  max-height: 65vh;
  overflow-y: auto;
}

.modal-body::-webkit-scrollbar { width: 5px; }
.modal-body::-webkit-scrollbar-track { background: transparent; }
.modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.modal-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--border);
  background: #FAFAFA;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* =====================================================
   TOAST NOTIFICATIONS
   ===================================================== */

#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 12px 18px;
  border-radius: var(--radius);
  background: #1E293B;
  color: #FFFFFF;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  max-width: 380px;
  pointer-events: all;
  animation: slideUp 0.25s ease forwards;
  border-left: 3px solid var(--brand);
}

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

.toast i { font-size: 15px; }
.toast.toast-success i { color: var(--success); }
.toast.toast-danger  i { color: var(--danger); }
.toast.toast-warning i { color: var(--warning); }
.toast.toast-info    i { color: var(--info); }

.toast-text { flex: 1; }

.toast-dismiss {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  font-size: 11px;
  flex-shrink: 0;
}

.toast.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

/* =====================================================
   UPLOAD ZONE
   ===================================================== */

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--sp-6);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--content-bg);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--brand);
  background: var(--brand-light);
}

.upload-zone-icon {
  font-size: 28px;
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
}

.upload-zone:hover .upload-zone-icon { color: var(--brand); }

.upload-zone-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.upload-zone-sub {
  font-size: 11.5px;
  color: var(--text-muted);
}

.img-preview-container {
  display: none;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--content-bg);
}

.img-preview {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.btn-remove-img {
  font-size: 12px;
  font-family: inherit;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-remove-img:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* =====================================================
   EMPTY STATE
   ===================================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px var(--sp-6);
  text-align: center;
  color: var(--text-muted);
}

.empty-state i {
  font-size: 36px;
  margin-bottom: var(--sp-4);
  color: var(--border);
}

.empty-state h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--sp-2);
}

.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
}

/* =====================================================
   DRAG & DROP — Sortable ghost
   ===================================================== */

.sortable-ghost {
  opacity: 0.4;
  background: var(--brand-light) !important;
  border: 2px dashed var(--brand) !important;
}

/* =====================================================
   ANALYTICS — KPI Cards
   ===================================================== */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.kpi-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.kpi-card:hover { box-shadow: var(--shadow); }

.kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: var(--sp-3);
}

.kpi-card.primary .kpi-icon { background: rgba(255,107,0,0.12); color: var(--brand); }
.kpi-card.secondary .kpi-icon { background: rgba(100,116,139,0.12); color: #64748B; }
.kpi-card.success .kpi-icon { background: rgba(16,185,129,0.12); color: var(--success); }
.kpi-card.warning .kpi-icon { background: rgba(245,158,11,0.12); color: var(--warning); }
.kpi-card.info .kpi-icon { background: rgba(59,130,246,0.12); color: var(--info); }

.kpi-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--sp-1);
}

.kpi-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: var(--sp-2);
}

.kpi-value small { font-size: 14px; font-weight: 500; color: var(--text-secondary); }

.kpi-change {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Analytics charts grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.charts-grid-full {
  margin-bottom: var(--sp-4);
}

.chart-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-6);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.chart-card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.chart-card h3 i { color: var(--brand); }

.chart-subtitle {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
}

.chart-container {
  position: relative;
  height: 220px;
}

.chart-container.large { height: 300px; }

/* Filter section */
.filter-section {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-6);
  display: flex;
  align-items: flex-end;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  min-width: 160px;
}

.filter-quick-btns {
  display: flex;
  gap: var(--sp-2);
}

.btn-quick-range {
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 600;
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-quick-range:hover,
.btn-quick-range.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* Loading state */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  color: var(--text-muted);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--sp-4);
}

.error-state {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: 13.5px;
  font-weight: 500;
}

/* =====================================================
   ACCOUNTS TABLE
   ===================================================== */

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 2px solid var(--border);
  background: #FAFAFA;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: var(--sp-3) var(--sp-4);
  font-size: 13.5px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: var(--content-bg); }

.badge-role-admin {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255,107,0,0.12);
  color: var(--brand);
}

.badge-role-manager {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(59,130,246,0.12);
  color: var(--info);
}

.badge-role-caissier {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(34,197,94,0.12);
  color: #22c55e;
}

/* =====================================================
   SETTINGS PANEL
   ===================================================== */

.settings-section {
  max-width: 640px;
}

.settings-group {
  margin-bottom: var(--sp-8);
}

.settings-group h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--border);
}

.info-box {
  background: rgba(59,130,246,0.07);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: var(--radius);
  padding: var(--sp-4);
  font-size: 13px;
  color: var(--info);
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  margin-top: var(--sp-4);
}

.info-box i { flex-shrink: 0; margin-top: 2px; font-size: 15px; }
.info-box p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.info-box strong { color: var(--text-primary); }

/* =====================================================
   PAGE HEADER
   ===================================================== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.page-header-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin: 0;
}

.page-header-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* =====================================================
   FORM SECTION HEADINGS (inside modal)
   ===================================================== */

.form-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin: var(--sp-5) 0 var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border);
}

.form-section-title:first-child { margin-top: 0; }

/* Checkbox grid */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--sp-2);
}

/* =====================================================
   PRODUCT FILTER BAR (inside tab)
   ===================================================== */

.filter-bar {
  margin-bottom: var(--sp-4);
}

.filter-bar .form-select {
  max-width: 240px;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */

body.login-page {
  background: linear-gradient(135deg, #0D1117 0%, #161B22 60%, #1C2333 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  overflow: hidden;
  border: 1px solid var(--border);
}

.login-header {
  background: linear-gradient(135deg, var(--brand) 0%, #FF8C00 100%);
  padding: 36px 40px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.login-header::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
}

.login-header::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 140px;
  height: 140px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}

.login-logo {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  margin: 0 auto var(--sp-4);
  position: relative;
  z-index: 1;
}

.login-header h1 {
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
  margin: 0 0 4px;
  position: relative;
  z-index: 1;
}

.login-header p {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  margin: 0;
  position: relative;
  z-index: 1;
}

.login-body {
  padding: 36px 40px;
}

.login-error {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 11px 14px;
  background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius);
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--sp-5);
}

.input-icon-wrap {
  position: relative;
}

.input-icon-wrap i {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 15px;
  pointer-events: none;
}

.input-icon-wrap .form-control {
  padding-left: 40px;
}

.btn-login {
  width: 100%;
  padding: 12px;
  font-size: 14.5px;
  font-weight: 700;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--brand), #FF8C00);
  color: #FFFFFF;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-5);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255,107,0,0.4);
}

.login-hint {
  margin-top: var(--sp-5);
  padding: var(--sp-3) var(--sp-4);
  background: var(--content-bg);
  border-radius: var(--radius);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

.login-hint code {
  font-family: monospace;
  font-size: 12px;
  background: var(--border);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text-secondary);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(20px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =====================================================
   CUSTOM SCROLLBAR (webkit)
   ===================================================== */

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #CBD5E1; }

/* =====================================================
   RESPONSIVE — collapse sidebar on mobile
   ===================================================== */

@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-w);
    z-index: 300;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

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

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 299;
  }

  .sidebar-backdrop.show { display: block; }

  .topbar {
    padding: 0 var(--sp-4);
  }

  .topbar-menu-btn {
    display: flex;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content { padding: var(--sp-4); }

  .tab-panel { padding: var(--sp-4); }
}

@media (min-width: 901px) {
  .topbar-menu-btn { display: none; }
  .sidebar-backdrop { display: none !important; }
}

/* Menu toggle button */
.topbar-menu-btn {
  display: none;
  width: 36px;
  height: 36px;
  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);
  cursor: pointer;
  font-size: 16px;
  flex-shrink: 0;
}