:root {
  --primary-color: #FEF9C3; /* Vàng kem cực nhạt */
  --primary-hover: #FEF08A;
  --bg-color: #FFFFFF; /* Nền trắng tinh khôi */
  --surface-color: #FFFFFF;
  --text-color: #1E293B; /* Xanh đen Slate */
  --text-muted: #64748B;
  --border-color: #CBD5E1; /* Xám đậm hơn để viền rõ nét */
  --success-color: #10B981;
  --danger-color: #EF4444;
  --danger-hover: #DC2626;
  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1E293B;
  --slate-900: #0F172A;
  --sky-500: #0EA5E9;
  --sky-600: #0284C7;
  --sky-700: #0369A1;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

body {
  background-color: #F7F7F5; /* Xám ấm (Warm Grey) */
  background-image: 
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 20px 20px; /* Kích thước ô caro */
  color: var(--text-color);
  -webkit-font-smoothing: antialiased;
}

/* App Container (Mobile View Simulation on Desktop) */
.app-container {
  max-width: 480px;
  margin: 0 auto;
  background-color: var(--bg-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background-color: var(--primary-color);
  color: #1E293B;
  padding: 12px 16px;
  text-align: center;
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.header-home {
  padding: 32px 16px !important;
  flex-direction: column !important;
  gap: 16px !important;
  border-bottom: none !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08) !important;
}

.header-btn {
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  color: #333;
}

/* Content Area */
.content {
  padding: 16px;
  flex: 1;
  overflow-y: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
  margin-bottom: 12px;
  gap: 8px;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  border: 1px solid #E5D518;
}

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

.btn-success {
  background-color: var(--success-color);
  color: #FFF;
}

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

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

/* Store Horizontal Scroll */
.store-list-horizontal {
  display: flex;
  overflow-x: auto;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
}
.store-list-horizontal::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

.store-card {
  min-width: auto;
  white-space: nowrap;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: 0.95rem;
  text-align: center;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
  transition: all 0.2s;
}
.store-card:hover {
  border-color: var(--primary-color);
  background-color: #FFFAEB;
}
.store-card.active {
  border-color: var(--primary-color);
  background-color: #FFFDE7;
  font-weight: 700;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary-color);
}

textarea.form-control {
  min-height: 350px;
  resize: vertical;
  font-family: monospace;
  font-size: 0.85rem;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}

/* Search Bar with Scanner */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.search-bar input {
  flex: 1;
}
.btn-scan {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-scan:hover {
  background-color: #EEE;
}

/* Scanner Container */
#reader {
  width: 100%;
  margin-bottom: 16px;
  border-radius: 8px;
  overflow: hidden;
}

/* Tables / Lists (Refined for Compactness) */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.item-card {
  background-color: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 8px;
  padding: 0px 8px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  box-shadow: none;
}

.item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.item-name {
  font-weight: 700;
  color: #1E293B;
  font-size: 0.75rem;
  line-height: 1.2;
}

.item-meta {
  font-size: 0.68rem;
  color: #64748B;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 3px;
}

.qty-input {
  width: 48px;
  height: 30px;
  text-align: center;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 2px;
  border: 2px solid #CBD5E1;
  border-radius: 6px;
  background-color: #F8FAFC;
  outline: none;
  transition: border-color 0.2s;
}

.qty-input:focus {
  border-color: #0284C7;
  background-color: #FFFFFF;
}

/* Ẩn mũi tên tăng/giảm trên input number */
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.qty-input[type=number] {
  -moz-appearance: textfield;
}

/* Menu Cards (StoreMenu) */
.menu-card {
  background-color: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: 16px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.menu-card:hover {
  border-color: #0284C7;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(2, 132, 199, 0.1);
}

.menu-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.menu-card-title {
  font-weight: 800;
  font-size: 1.1rem;
  color: #1E293B;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}

.modal-content {
  background-color: var(--bg-color);
  width: 100%;
  max-width: 480px;
  border-radius: 16px 16px 0 0;
  padding: 20px;
  animation: slideUp 0.3s ease-out;
  max-height: 90vh;
  overflow-y: auto;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 90%;
  max-width: 400px;
}
.toast {
  padding: 12px 16px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  animation: fadeIn 0.3s, fadeOut 0.3s 2.7s;
}
.toast-error { background-color: var(--danger-color); }
.toast-success { background-color: var(--success-color); }

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

/* Autocomplete suggestions */
.suggestions-list {
  position: absolute;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  max-height: 200px;
  overflow-y: auto;
  width: calc(100% - 40px); /* Account for modal padding */
  z-index: 10;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.suggestion-item {
  padding: 10px;
  border-bottom: 1px solid #EEE;
  cursor: pointer;
}
.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover { background-color: #F5F5F5; }
.suggestion-item-title { font-weight: bold; font-size: 0.9rem; }
.suggestion-item-subtitle { font-size: 0.8rem; color: #666; }

/* Custom Store Button on Home Screen */
.store-btn-custom {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 16px 20px;
  margin-bottom: 16px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background-color: var(--bg-color);
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  transition: transform 0.2s;
  outline: none;
}

.store-btn-custom:hover {
  border-color: var(--primary-color);
}

.store-btn-custom:active {
  transform: scale(0.98);
}

.store-btn-bg {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 50%;
  background-color: var(--primary-color);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%);
  z-index: 1;
}

.store-btn-left {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-color);
}

.store-btn-right {
  position: relative;
  z-index: 2;
  width: 32px;
  height: 32px;
  background-color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #D32F2F; /* Đỏ đậm */
  box-shadow: 0 2px 5px rgba(0,0,0,0.15);
  border: 1px solid #EEE;
}

.store-btn-right svg {
  width: 20px;
  height: 20px;
  stroke-width: 3;
}

/* Dashboard */
.dashboard-card {
  background-color: #FFF;
  border-radius: 12px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #E2E8F0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.03);
  text-align: center;
}

.dashboard-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.dashboard-icon svg {
  width: 20px;
  height: 20px;
}

.dashboard-val {
  font-size: 1.1rem;
  font-weight: 800;
  color: #1E293B;
  margin-bottom: 2px;
}

.dashboard-label {
  font-size: 0.75rem;
  color: #64748B;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.dashboard-store-row:hover {
  transform: translateX(4px);
  border-color: var(--primary-color) !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Home Sections */
.home-section {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
  margin-bottom: 24px;
}

/* Checkbox Group for Bulk Upload */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background-color: #FFFFFF;
  border: 1px solid #CBD5E1;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.checkbox-item:hover {
  background-color: #F8FAFC;
}
/* Exported Section */
.exported-section {
  margin-top: 32px;
  border-top: 2px dashed #CBD5E1;
  padding-top: 20px;
}

.exported-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background-color: #F1F5F9;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 12px;
  color: #64748B;
  font-weight: 700;
  font-size: 0.9rem;
}

.item-card.exported {
  opacity: 0.6;
  background-color: #F8FAFC;
  border-style: dashed;
}

.item-card.exported .item-name {
  color: #64748B;
  text-decoration: line-through;
}

.btn-edit {
  background-color: #F0F9FF;
  color: #0284C7;
  border: 1.5px solid #0284C7;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: bold;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-edit:hover {
  background-color: #0284C7;
  color: #FFFFFF;
}
.checkbox-item.active {
  background-color: #F0F9FF;
  border-color: #0284C7;
}

.checkbox-item input {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid #CBD5E1;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.checkbox-item.active .checkbox-custom {
  background-color: #0284C7;
  border-color: #0284C7;
}

.checkbox-custom::after {
  content: "✓";
  color: white;
  font-size: 14px;
  display: none;
}

.checkbox-item.active .checkbox-custom::after {
  display: block;
}

.checkbox-item-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: #1E293B;
}

.form-label {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
  color: #1E293B !important;
  font-size: 1rem;
}

/* Tab Navigation in Inventory */
.tab-container {
  display: flex;
  background-color: var(--primary-color); /* Đồng bộ màu vàng kem nhạt từ Home */
  padding: 6px;
  border-radius: 16px;
  margin-bottom: 16px;
  border: 2px solid #E2E8F0; /* Khung viền ngoài */
}

.tab-item {
  flex: 1;
  padding: 9px 8px;
  text-align: center;
  font-weight: 700;
  font-size: 0.8rem;
  color: #64748B;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 2px solid transparent;
}

.tab-item.active {
  background-color: #FFFFFF;
  color: #0284C7;
  border-color: #0284C7; /* Viền nổi bật cho tab active */
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
  transform: translateY(-1px);
}

.tab-item:not(.active):hover {
  background-color: #E2E8F0;
  color: #1E293B;
}

/* Plus Button Action */
.qty-action-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-plus {
  width: 30px;
  height: 30px;
  background-color: #0284C7;
  color: #FFFFFF;
  border: none;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-plus:hover {
  background-color: #0369a1;
  transform: scale(1.05);
}

.btn-plus:active {
  transform: scale(0.95);
}

.btn-plus:disabled {
  background-color: #CBD5E1;
  cursor: not-allowed;
}

.tab-badge {
  background-color: #E2E8F0;
  color: #64748B;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 6px;
  margin-left: 4px;
}

.tab-item.active .tab-badge {
  background-color: #E0F2FE;
  color: #0284C7;
}

/* --- UI POLISH CLASSES --- */
.toolbar-container {
  padding: 16px;
  border-bottom: 1px solid var(--slate-200);
  background-color: var(--slate-50);
  position: sticky;
  top: 56px;
  z-index: 10;
  display: flex;
  gap: 10px;
  align-items: center;
}

.action-card {
  background-color: #FFFFFF;
  border: 1.5px solid var(--slate-300);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
}

.action-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  border-color: var(--sky-600);
}

.action-card:active {
  transform: scale(0.97);
}

.action-card-main {
  flex: 2;
  height: 52px;
  padding: 0 12px;
  gap: 8px;
  justify-content: flex-start;
}

.action-card-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
}

.action-card-red {
  border-color: #FCA5A5;
}
.action-card-red:hover {
  border-color: var(--danger-color);
  background-color: #FEF2F2;
}

.action-card-blue {
  border-color: var(--sky-600);
}
.action-card-blue:hover {
  background-color: #F0F9FF;
}

.premium-card {
  background-color: #FFFFFF;
  border: 1.5px solid var(--slate-300);
  border-radius: 16px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}