/* ============================================================================
   SmokePOS - Main Stylesheet
   ============================================================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #6B46C1;
  --color-primary-light: #8B5CF6;
  --color-primary-dark: #5A3BA1;
  --color-success: #0D9488;
  --color-success-light: #14B8A6;
  --color-success-dark: #0A7F6E;
  --color-card: #3B82F6;
  --color-card-light: #60A5FA;
  --color-danger: #EF4444;
  --color-danger-light: #F87171;
  --color-warning: #F59E0B;
  --color-info: #06B6D4;
  --color-bg: #F0F4F8;
  --color-bg-secondary: #E8EEF5;
  --color-bg-dark: #1a1a2e;
  --color-sidebar: #1E1E2D;
  --color-card-bg: #FFFFFF;
  --color-text: #1F2937;
  --color-text-light: #6B7280;
  --color-text-lighter: #9CA3AF;
  --color-border: #D1D5DB;
  --color-border-light: #E5E7EB;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Sidebar */
  --sidebar-width: 250px;
  --topbar-height: 60px;
}

/* ============================================================================
   CSS Reset / Normalize
   ============================================================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
}

/* Hidden on desktop, shown on mobile via media query */
.mobile-hamburger { display: none; }
.sidebar-overlay { display: none; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

button {
  font-family: var(--font-family);
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
}

input, select, textarea {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
}

/* Remove default browser styles */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
}

/* ============================================================================
   Layout - App Container
   ============================================================================ */

.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #1a1a2e 0%, #16162a 100%);
  color: #c9cdd4;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  padding: 20px 20px 16px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo .logo-icon {
  font-size: 22px;
  filter: saturate(1.2);
}
.sidebar-logo .logo-icon-svg {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}
.sidebar-logo .logo-text {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.3px;
}

.sidebar-nav {
  flex: 1;
  padding: 4px 0;
  overflow-y: auto;
}
.sidebar-nav::-webkit-scrollbar { width: 4px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ============================================================================
   Logo (login page)
   ============================================================================ */

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}
.logo-small { font-size: var(--font-size-lg); }
.logo-icon  { font-size: var(--font-size-2xl); }
.logo-text  { display: inline; }

/* ============================================================================
   Sidebar Navigation
   ============================================================================ */

.nav-group {
  padding: 2px 0;
  margin-top: 6px;
}
.nav-group:first-child { margin-top: 0; }

.nav-group-label {
  padding: 8px 20px 4px;
  font-size: 10px;
  font-weight: 600;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

/* Top-level items (Open Drawer, Dashboard, POS) — no group */
.sidebar-nav > .nav-item {
  margin: 1px 10px;
  border-radius: 8px;
}

/* Grouped items */
.nav-group .nav-item {
  margin: 1px 10px;
  border-radius: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  color: #a1a7b3;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  position: relative;
}

.nav-item:hover {
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
  color: #fff;
  background: rgba(107, 70, 193, 0.22);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--color-primary-light);
}

.nav-icon {
  font-size: 16px;
  min-width: 22px;
  text-align: center;
  line-height: 1;
}

.nav-label {
  flex: 1;
}

/* Action items (Open Drawer) */
.nav-action {
  color: #d4a853;
}
.nav-action:hover {
  background: rgba(212, 168, 83, 0.1);
  color: #f0c464;
}

/* ============================================================================
   Branch Selector
   ============================================================================ */

.branch-selector {
  padding: 8px 16px 12px;
}

.branch-dropdown,
#branch-dropdown {
  width: 100%;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  color: #e5e7eb;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
}
.branch-dropdown:hover,
#branch-dropdown:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.15);
}
.branch-dropdown:focus,
#branch-dropdown:focus {
  border-color: var(--color-primary);
  background: rgba(107, 70, 193, 0.08);
}
.branch-dropdown option,
#branch-dropdown option {
  background: #1e1e2d;
  color: #e5e7eb;
}

/* ============================================================================
   User Info in Sidebar
   ============================================================================ */

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 6px;
  border-radius: 10px;
  transition: background 0.15s;
}
.user-info:hover {
  background: rgba(255, 255, 255, 0.04);
}

.avatar, .user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  letter-spacing: 0.3px;
}

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

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: #e5e7eb;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.user-role {
  font-size: 11px;
  color: #6b7280;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: capitalize;
}

.sidebar-logout-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: transparent;
  border: none;
  color: #6b7280;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.sidebar-logout-btn:hover {
  background: rgba(239, 68, 68, 0.12);
  color: #f87171;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* ============================================================================
   Topbar
   ============================================================================ */

.topbar {
  height: var(--topbar-height);
  background-color: var(--color-card-bg);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-xl);
  gap: var(--spacing-xl);
}

.topbar-left {
  flex: 1;
  min-width: 0;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar input {
  width: 300px;
  max-width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

.search-bar input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

.search-icon {
  position: absolute;
  right: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-lighter);
  pointer-events: none;
}

#branch-mode-actions {
  display: flex;
  gap: var(--spacing-md);
}

.topbar-user {
  display: flex;
  align-items: center;
}

.topbar-user .btn-icon {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.topbar-user .btn-icon:hover {
  background-color: var(--color-bg-secondary);
}

/* ============================================================================
   Page Content
   ============================================================================ */

.page-content {
  flex: 1;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: var(--spacing-xl);
  background-color: var(--color-bg);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.btn-primary:active:not(:disabled) {
  background-color: var(--color-primary-dark);
}

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

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-light);
  box-shadow: var(--shadow-md);
}

.btn-card {
  background-color: var(--color-card);
  color: white;
}

.btn-card:hover:not(:disabled) {
  background-color: var(--color-card-light);
  box-shadow: var(--shadow-md);
}

.btn-danger {
  background-color: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-light);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
}

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

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

.btn-block {
  width: 100%;
}

/* ============================================================================
   Form Elements
   ============================================================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.input, .select, textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  background-color: var(--color-card-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.input:focus, .select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

.input:disabled, .select:disabled, textarea:disabled {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-light);
  cursor: not-allowed;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-md) center;
  padding-right: var(--spacing-xl);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.input-error {
  border-color: var(--color-danger);
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-danger);
}

.form-help {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-lighter);
}

/* Toggle Switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 28px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 24px;
  width: 24px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.toggle input:checked + .toggle-slider {
  background-color: var(--color-primary);
}

.toggle input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* ============================================================================
   Cards
   ============================================================================ */

.card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

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

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

.card-body {
  margin-bottom: var(--spacing-lg);
}

.card-footer {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ============================================================================
   Grid Layouts
   ============================================================================ */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ============================================================================
   Badges and Pills
   ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
}

.badge-primary {
  background-color: rgba(107, 70, 193, 0.1);
  color: var(--color-primary);
}

.badge-success {
  background-color: rgba(13, 148, 136, 0.1);
  color: var(--color-success);
}

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

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.badge-info {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-info);
}

.badge-red { background: rgba(239,68,68,0.1); color: #dc2626; }
.badge-purple { background: rgba(139,92,246,0.12); color: #7c3aed; }
.badge-rainbow {
  background: linear-gradient(90deg, rgba(239,68,68,0.15), rgba(249,115,22,0.15), rgba(234,179,8,0.15), rgba(34,197,94,0.15), rgba(59,130,246,0.15), rgba(139,92,246,0.15));
  color: #7c3aed;
  font-weight: 700;
}
.rainbow-card {
  background: linear-gradient(135deg, rgba(239,68,68,0.06), rgba(249,115,22,0.06), rgba(234,179,8,0.06), rgba(34,197,94,0.06), rgba(59,130,246,0.06), rgba(139,92,246,0.06)) !important;
  border: 1px solid rgba(139,92,246,0.15);
}
.badge-orange { background: rgba(249,115,22,0.1); color: #ea580c; }
.badge-blue { background: rgba(59,130,246,0.1); color: #2563eb; }
.badge-green { background: rgba(34,197,94,0.1); color: #16a34a; }
.badge-yellow { background: rgba(234,179,8,0.1); color: #ca8a04; }
.badge-teal { background: rgba(20,184,166,0.1); color: #0d9488; }

.pill {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.pill-primary {
  background-color: var(--color-primary);
  color: white;
}

.pill-success {
  background-color: var(--color-success);
  color: white;
}

.pill-danger {
  background-color: var(--color-danger);
  color: white;
}

/* ============================================================================
   Tables
   ============================================================================ */

.table-container {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-card-bg);
}

thead {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border-light);
}

th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  white-space: nowrap;
}

th.sortable {
  cursor: pointer;
  user-select: none;
}

th.sortable:hover {
  background-color: var(--color-bg-secondary);
}

td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-sm);
}

tbody tr:hover {
  background-color: var(--color-bg);
}

tbody tr.clickable {
  cursor: pointer;
}

/* ============================================================================
   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: center;
  justify-content: center;
  z-index: 1000;
}

.modal-container {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ============================================================================
   Toast Notifications
   ============================================================================ */

.toast-container {
  position: fixed;
  top: 70px;
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 400px;
}

.toast {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.removing {
  animation: slideOut 0.3s ease-out forwards;
}

@keyframes slideOut {
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

.toast-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-light);
  flex-shrink: 0;
  padding: 0;
}

.toast-success {
  border-left: 4px solid var(--color-success);
}

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

.toast-info {
  border-left: 4px solid var(--color-info);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

/* ============================================================================
   Login Screen
   ============================================================================ */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-lg);
}

.login-card {
  background-color: var(--color-card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-3xl);
  width: 100%;
  max-width: 400px;
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.login-header .logo {
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}
.login-header .login-logo-img {
  max-width: 280px;
  width: 100%;
  height: auto;
  margin: 0 auto var(--spacing-sm);
  display: block;
  border-radius: 12px;
}

.login-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: var(--spacing-md) 0 0 0;
}

.login-form {
  margin-bottom: var(--spacing-xl);
}

.login-footer {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
}

.text-muted {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* ============================================================================
   Page Header
   ============================================================================ */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.page-header-left {
  flex: 1;
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm) 0;
}

.page-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

.page-header-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: flex-start;
}

/* ============================================================================
   Status Indicators
   ============================================================================ */

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.status-active {
  background-color: rgba(13, 148, 136, 0.1);
  color: var(--color-success);
}

.status-active::before {
  background-color: var(--color-success);
}

.status-inactive {
  background-color: rgba(107, 114, 128, 0.1);
  color: var(--color-text-light);
}

.status-inactive::before {
  background-color: var(--color-text-light);
}

.status-pending {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.status-pending::before {
  background-color: var(--color-warning);
}

.status-error {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

.status-error::before {
  background-color: var(--color-danger);
}

/* ============================================================================
   Pagination
   ============================================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  flex-shrink: 0;
}

.pagination-nav {
  display: flex;
  gap: var(--spacing-sm);
}

.pagination-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-card-bg);
  color: var(--color-text);
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background-color: var(--color-bg);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================================================
   Utilities
   ============================================================================ */

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-light); }
.text-small { font-size: var(--font-size-sm); }
.text-bold { font-weight: var(--font-weight-bold); }

.hidden { display: none !important; }
.invisible { visibility: hidden; }

.cursor-pointer { cursor: pointer; }
.no-select { user-select: none; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* ============================================================================
   Scrollbar Styling
   ============================================================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-light);
}

/* ============================================================================
   Loading Spinner
   ============================================================================ */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-border-light);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 40px;
  height: 40px;
}

/* ============================================================================
   Empty State
   ============================================================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
  text-align: center;
  min-height: 300px;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-lg);
}

.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.empty-state-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 300px;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 1200px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== MOBILE: Phone (< 768px) — sidebar becomes hamburger overlay ===== */
@media (max-width: 768px) {
  :root {
    --topbar-height: 56px;
  }

  .app-container {
    flex-direction: column;
  }

  /* Sidebar: hidden by default on mobile, overlay when toggled */
  .sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    z-index: 1500;
    transition: left 0.25s ease;
    box-shadow: none;
  }

  .sidebar.mobile-open {
    left: 0;
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1400;
  }

  .sidebar-overlay.active {
    display: block;
  }

  /* Main content takes full width */
  .main-content {
    margin-left: 0 !important;
    width: 100%;
    height: 100vh;
  }

  /* Hamburger button (injected by JS) */
  .mobile-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--color-text);
    border-radius: 8px;
  }

  .mobile-hamburger:hover {
    background: var(--color-bg-secondary);
  }

  /* Topbar: compact */
  .topbar {
    padding: 0 12px;
    height: var(--topbar-height);
  }

  .topbar-right {
    gap: 2px;
  }

  .topbar-btn {
    padding: 6px 8px;
    font-size: 12px;
  }

  .topbar-btn span:last-child {
    display: none;
  }

  .topbar-btn span:first-child {
    margin: 0;
  }

  .search-trigger {
    display: none;
  }

  .user-name-sm {
    display: none;
  }

  .dropdown-arrow {
    display: none;
  }

  /* Page content */
  .page-header {
    flex-direction: column;
    gap: 8px;
    padding: 12px 0;
  }

  .page-header h1 {
    font-size: 20px;
  }

  .page-content {
    padding: 0 12px 12px;
  }

  .filter-bar {
    overflow-x: auto;
  }

  .filter-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .filter-group {
    min-width: 0;
    flex: 1 1 120px;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Modal: full width on mobile */
  .modal-content {
    max-width: calc(100vw - 1rem);
    max-height: calc(100vh - 2rem);
    margin: 1rem auto;
  }

  .toast-container {
    left: 12px;
    right: 12px;
    max-width: calc(100vw - 24px);
  }

  /* Tables: scrollable */
  .data-table {
    font-size: 12px;
  }

  .customers-table-wrap,
  #invoices-table-wrap {
    overflow-x: auto;
  }

  table {
    font-size: 12px;
  }

  th, td {
    padding: 6px 8px;
    white-space: nowrap;
  }

  /* KPI cards */
  .cash-kpi-row {
    flex-wrap: wrap;
  }

  .cash-kpi {
    flex: 1 1 45%;
  }

  /* Login */
  .login-card {
    padding: 24px;
    max-width: calc(100vw - 2rem);
  }

  /* Branch selector */
  .branch-selector {
    padding: 8px 16px;
  }
}

/* ===== SMALL PHONE (< 480px) ===== */
@media (max-width: 480px) {
  .page-header h1 {
    font-size: 18px;
  }

  .btn {
    padding: 8px 12px;
    font-size: 12px;
  }

  .cash-kpi {
    flex: 1 1 100%;
  }
}