/* ============================================================
   RETAIL ERP — MASTER STYLESHEET
   Design System: Dark-First, Premium, Modern ERP
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   CSS VARIABLES — DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand Colors */
  --primary:        #6366f1;
  --primary-dark:   #4f46e5;
  --primary-light:  #818cf8;
  --primary-glow:   rgba(99, 102, 241, 0.25);
  --secondary:      #06b6d4;
  --accent:         #f59e0b;
  --success:        #10b981;
  --danger:         #ef4444;
  --warning:        #f59e0b;
  --info:           #3b82f6;

  /* Dark Theme (default) */
  --bg-base:        #0a0a0f;
  --bg-surface:     #13131a;
  --bg-card:        #1a1a24;
  --bg-elevated:    #22222e;
  --bg-hover:       #2a2a38;
  --border:         rgba(255,255,255,0.07);
  --border-light:   rgba(255,255,255,0.12);

  /* Text */
  --text-primary:   #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-inverse:   #0f172a;

  /* Sidebar */
  --sidebar-w:      260px;
  --sidebar-bg:     #0d0d16;
  --sidebar-border: rgba(99,102,241,0.15);
  --nav-active-bg:  rgba(99,102,241,0.15);
  --nav-hover-bg:   rgba(255,255,255,0.04);

  /* Topbar */
  --topbar-h:       64px;
  --topbar-bg:      rgba(13,13,22,0.95);

  /* Shadows */
  --shadow-sm:      0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:      0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:      0 8px 32px rgba(0,0,0,0.6);
  --shadow-glow:    0 0 20px rgba(99,102,241,0.2);

  /* Radius */
  --radius-sm:      6px;
  --radius-md:      10px;
  --radius-lg:      16px;
  --radius-xl:      24px;

  /* Transitions */
  --transition:     all 0.2s ease;
  --transition-slow: all 0.35s ease;

  /* Font */
  --font-sans:      'Inter', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;
}

/* Light Theme */
[data-theme="light"] {
  --bg-base:        #f1f5f9;
  --bg-surface:     #ffffff;
  --bg-card:        #ffffff;
  --bg-elevated:    #f8fafc;
  --bg-hover:       #f1f5f9;
  --border:         rgba(0,0,0,0.07);
  --border-light:   rgba(0,0,0,0.12);
  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-muted:     #94a3b8;
  --sidebar-bg:     #1e1e2d;
  --topbar-bg:      rgba(255,255,255,0.95);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============================================================
   LAYOUT — SIDEBAR + MAIN
   ============================================================ */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 1000;
  transition: var(--transition-slow);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar.collapsed {
  width: 70px;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: var(--topbar-h);
  text-decoration: none;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}

.sidebar-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo .logo-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.3px;
}

.sidebar-logo .logo-sub {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-section-label {
  display: none;
}

.sidebar-nav {
  padding: 12px 0;
  flex: 1;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 18px 6px;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  font-size: 13.5px;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--nav-hover-bg);
  color: var(--text-primary);
}

.nav-link.active {
  background: var(--nav-active-bg);
  color: var(--primary-light);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--primary);
  border-radius: 0 2px 2px 0;
}

.nav-link .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  line-height: 1.4;
}

.sidebar-footer {
  padding: 16px 18px;
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  cursor: pointer;
  transition: var(--transition);
}

.sidebar-user:hover { background: var(--bg-elevated); }

.sidebar-user .user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
  color: #fff;
  flex-shrink: 0;
}

.sidebar-user .user-info { flex: 1; min-width: 0; }
.sidebar-user .user-name { font-size: 13px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user .user-role { font-size: 11px; color: var(--text-muted); }

/* MAIN CONTENT */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition-slow);
}

.main-content.expanded {
  margin-left: 70px;
}

/* TOPBAR */
.topbar {
  height: var(--topbar-h);
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 900;
  backdrop-filter: blur(12px);
}

.topbar-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}

.topbar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.topbar-breadcrumb {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.topbar-breadcrumb .current {
  color: var(--text-primary);
  font-weight: 600;
}

.topbar-search {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 12px;
  gap: 8px;
  width: 260px;
  transition: var(--transition);
}

.topbar-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.topbar-search input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  padding: 8px 0;
  width: 100%;
  font-family: var(--font-sans);
}

.topbar-search input::placeholder { color: var(--text-muted); }

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-btn {
  width: 36px; height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
}

.topbar-btn:hover { background: var(--bg-elevated); color: var(--primary-light); border-color: var(--primary); }

.topbar-btn .notif-dot {
  position: absolute;
  top: 6px; right: 6px;
  width: 8px; height: 8px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--topbar-bg);
}

.topbar-outlet {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  font-size: 12px;
}

.topbar-outlet:hover { border-color: var(--primary); }
.topbar-outlet .outlet-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; }
.topbar-outlet .outlet-name { font-weight: 600; color: var(--text-primary); }
.topbar-outlet .outlet-label { color: var(--text-muted); }

/* PAGE CONTENT */
.page-content {
  padding: 24px;
  flex: 1;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.page-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

/* Glassmorphism Card */
.card-glass {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ============================================================
   KPI STAT CARDS
   ============================================================ */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.stat-card.primary::before { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.stat-card.success::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card.warning::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-card.danger::before  { background: linear-gradient(90deg, var(--danger), #f87171); }
.stat-card.info::before    { background: linear-gradient(90deg, var(--info), #60a5fa); }
.stat-card.secondary::before { background: linear-gradient(90deg, var(--secondary), #22d3ee); }

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-light);
}

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.primary { background: rgba(99,102,241,0.15); color: var(--primary-light); }
.stat-icon.success { background: rgba(16,185,129,0.15); color: #34d399; }
.stat-icon.warning { background: rgba(245,158,11,0.15); color: #fbbf24; }
.stat-icon.danger  { background: rgba(239,68,68,0.15);  color: #f87171; }
.stat-icon.info    { background: rgba(59,130,246,0.15); color: #60a5fa; }
.stat-icon.secondary { background: rgba(6,182,212,0.15); color: #22d3ee; }

.stat-content { flex: 1; min-width: 0; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.stat-value { font-size: 26px; font-weight: 800; color: var(--text-primary); line-height: 1.1; letter-spacing: -1px; }
.stat-change { font-size: 11px; margin-top: 4px; display: flex; align-items: center; gap: 3px; }
.stat-change.up   { color: var(--success); }
.stat-change.down { color: var(--danger); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 2px 8px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
  transform: translateY(-1px);
  color: #fff;
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.btn-success:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #fff;
}
.btn-danger:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

.btn-warning {
  background: linear-gradient(135deg, var(--warning), #d97706);
  color: #fff;
}
.btn-warning:hover { opacity: 0.9; transform: translateY(-1px); color: #fff; }

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

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

.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn-icon { padding: 8px; width: 36px; height: 36px; justify-content: center; }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.erp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.erp-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.erp-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.erp-table tbody tr:last-child { border-bottom: none; }

.erp-table tbody tr:hover { background: var(--bg-hover); }

.erp-table tbody td {
  padding: 12px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

/* ============================================================
   BADGES & PILLS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-primary { background: rgba(99,102,241,0.15);  color: var(--primary-light); }
.badge-success { background: rgba(16,185,129,0.15);  color: #34d399; }
.badge-danger  { background: rgba(239,68,68,0.15);   color: #f87171; }
.badge-warning { background: rgba(245,158,11,0.15);  color: #fbbf24; }
.badge-info    { background: rgba(59,130,246,0.15);  color: #60a5fa; }
.badge-muted   { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.badge-secondary { background: rgba(6,182,212,0.15); color: #22d3ee; }

/* ============================================================
   FORM CONTROLS
   ============================================================ */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 9px 12px;
  font-size: 13px;
  font-family: var(--font-sans);
  outline: none;
  transition: var(--transition);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-card);
}

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

select.form-control { cursor: pointer; }
select.form-control option { background: var(--bg-card); }

.form-control-lg { padding: 12px 16px; font-size: 15px; }

.input-group {
  display: flex;
  align-items: stretch;
}

.input-group .form-control {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  flex: 1;
}

.input-group .btn {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-text {
  padding: 9px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-right: none;
  color: var(--text-muted);
  font-size: 13px;
  display: flex; align-items: center;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

/* ============================================================
   MODALS
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.show { display: flex; animation: fadeIn 0.2s ease; }

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.25s ease;
  box-shadow: var(--shadow-lg);
}

.modal-box.modal-sm { max-width: 440px; }
.modal-box.modal-md { max-width: 620px; }
.modal-box.modal-lg { max-width: 860px; }
.modal-box.modal-xl { max-width: 1100px; }

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: 16px; font-weight: 700; }

.modal-close {
  width: 32px; height: 32px;
  background: var(--bg-elevated);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}
.modal-close:hover { background: var(--danger); color: #fff; }

.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  border: 1px solid transparent;
}

.alert-success { background: rgba(16,185,129,0.1);  border-color: rgba(16,185,129,0.2);  color: #34d399; }
.alert-danger  { background: rgba(239,68,68,0.1);   border-color: rgba(239,68,68,0.2);   color: #f87171; }
.alert-warning { background: rgba(245,158,11,0.1);  border-color: rgba(245,158,11,0.2);  color: #fbbf24; }
.alert-info    { background: rgba(59,130,246,0.1);  border-color: rgba(59,130,246,0.2);  color: #60a5fa; }

/* ============================================================
   GRID UTILITIES
   ============================================================ */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* ============================================================
   PROGRESS & CHARTS
   ============================================================ */
.progress-bar-wrap {
  background: var(--bg-elevated);
  border-radius: 20px;
  overflow: hidden;
  height: 6px;
}

.progress-bar {
  height: 100%;
  border-radius: 20px;
  transition: width 1s ease;
}

.progress-bar.primary  { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.progress-bar.success  { background: linear-gradient(90deg, var(--success), #34d399); }
.progress-bar.warning  { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.progress-bar.danger   { background: linear-gradient(90deg, var(--danger), #f87171); }

/* ============================================================
   AVATAR
   ============================================================ */
.avatar {
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}
.avatar-xs  { width: 24px; height: 24px; font-size: 10px; }
.avatar-sm  { width: 32px; height: 32px; font-size: 12px; }
.avatar-md  { width: 40px; height: 40px; font-size: 15px; }
.avatar-lg  { width: 52px; height: 52px; font-size: 20px; }

/* ============================================================
   TOGGLE SWITCH
   ============================================================ */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toggle-switch input { display: none; }

.toggle-track {
  width: 40px; height: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 11px;
  position: relative;
  transition: var(--transition);
}

.toggle-track::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  background: var(--text-muted);
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: var(--transition);
}

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

.toggle-switch input:checked + .toggle-track::after {
  background: #fff;
  transform: translateX(18px);
}

/* ============================================================
   TABS
   ============================================================ */
.tab-nav {
  display: flex;
  gap: 2px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 4px;
  border: 1px solid var(--border);
  width: fit-content;
  margin-bottom: 20px;
}

.tab-btn {
  padding: 7px 16px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.tab-btn:hover:not(.active) { color: var(--text-primary); }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  text-decoration: none;
}

.page-btn:hover { border-color: var(--primary); color: var(--primary-light); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ============================================================
   SEARCH & FILTER BAR
   ============================================================ */
.filter-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.filter-bar .search-input {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 12px;
  flex: 1;
  min-width: 200px;
}

.filter-bar .search-input:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.filter-bar .search-input input {
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
  padding: 9px 0;
  width: 100%;
  font-family: var(--font-sans);
}

/* ============================================================
   TOOLTIP
   ============================================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: var(--transition);
  border: 1px solid var(--border);
  z-index: 9999;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ============================================================
   DROPDOWN
   ============================================================ */
.dropdown { position: relative; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  min-width: 180px;
  z-index: 1500;
  box-shadow: var(--shadow-lg);
  display: none;
  animation: fadeIn 0.15s ease;
}

.dropdown-menu.show { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.dropdown-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.dropdown-item.danger:hover { background: rgba(239,68,68,0.1); color: #f87171; }
.dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 280px;
  max-width: 360px;
  box-shadow: var(--shadow-md);
  animation: slideInRight 0.3s ease;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.danger  { border-left: 3px solid var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
  background-size: 1000px 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ============================================================
   CHART CONTAINERS
   ============================================================ */
.chart-container {
  position: relative;
  width: 100%;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary-color { color: var(--primary-light); }
.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.text-lg { font-size: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.p-0 { padding: 0 !important; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Number formatting */
.currency::before { content: '₹'; }
.mono { font-family: var(--font-mono); font-size: 13px; }

/* ============================================================
   STATUS INDICATORS
   ============================================================ */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 5px;
}
.status-dot.active  { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.inactive { background: var(--text-muted); }
.status-dot.warning { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.status-dot.danger  { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  :root { --sidebar-w: 70px; }
  .sidebar .logo-text, .sidebar .nav-label, .sidebar .nav-section-label { display: none; }
  .sidebar.collapsed { width: 0; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .topbar-search { width: 180px; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-260px); width: 260px; }
  .sidebar.mobile-open { transform: translateX(0); }
  .main-content { margin-left: 0 !important; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
  .page-header { flex-direction: column; }
  .filter-bar { gap: 8px; }
  .topbar-search { display: none; }
}