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

:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --success: #059669;
  --success-light: #d1fae5;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px 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);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #1e3a5f 0%, #1a56db 100%); }
.login-container { width: 100%; max-width: 400px; padding: 20px; }
.login-card { background: #fff; border-radius: 12px; padding: 40px; box-shadow: var(--shadow-lg); }
.login-header { text-align: center; margin-bottom: 32px; }
.login-header h1 { font-size: 28px; color: var(--primary); margin-bottom: 8px; }
.login-header p { color: var(--gray-500); font-size: 14px; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.form-group input, .form-group select {
  width: 100%; padding: 10px 14px; border: 1px solid var(--gray-300);
  border-radius: var(--radius); font-size: 14px; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

.error-msg { background: var(--danger-light); color: var(--danger); padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 16px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px;
  border: none; border-radius: var(--radius); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-300); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }

/* Layout */
.app { display: flex; height: 100vh; overflow: hidden; }
.sidebar {
  width: 250px; background: var(--gray-900); color: #fff; padding: 0;
  display: flex; flex-direction: column; position: fixed; height: 100vh; z-index: 10;
}
.sidebar-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-700); }
.sidebar-header h2 { font-size: 20px; font-weight: 700; }
.sidebar-header p { font-size: 12px; color: var(--gray-400); margin-top: 4px; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 12px 24px;
  color: var(--gray-300); text-decoration: none; font-size: 14px;
  cursor: pointer; transition: all 0.2s; border: none; background: none; width: 100%; text-align: left;
}
.nav-item:hover { background: var(--gray-800); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }

.sidebar-footer { padding: 16px 24px; border-top: 1px solid var(--gray-700); }
.sidebar-footer .user-email { font-size: 12px; color: var(--gray-400); margin-bottom: 8px; word-break: break-all; }

.main { flex: 1; margin-left: 250px; padding: 24px 32px; height: 100vh; overflow-y: auto; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--gray-900); }

/* Company Selector */
.company-selector { display: flex; gap: 8px; align-items: center; }
.company-selector select { padding: 8px 12px; border: 1px solid var(--gray-300); border-radius: var(--radius); font-size: 14px; }

/* Stats Cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 28px; }
.stat-card {
  background: #fff; border-radius: var(--radius); padding: 20px 24px;
  box-shadow: var(--shadow); border-left: 4px solid var(--primary);
}
.stat-card.success { border-left-color: var(--success); }
.stat-card.warning { border-left-color: var(--warning); }
.stat-card.danger { border-left-color: var(--danger); }
.stat-label { font-size: 13px; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500; }
.stat-value { font-size: 28px; font-weight: 700; color: var(--gray-900); margin-top: 4px; }
.stat-sub { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

/* Table */
.table-container {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden;
}
.table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--gray-200);
}
.search-box {
  display: flex; align-items: center; gap: 8px; background: var(--gray-50);
  border: 1px solid var(--gray-300); border-radius: var(--radius); padding: 0 12px;
}
.search-box input { border: none; background: none; padding: 8px 0; font-size: 14px; outline: none; width: 250px; }
.search-box svg { color: var(--gray-400); width: 18px; height: 18px; }

.table-wrap { overflow-x: auto; overflow-y: auto; max-height: calc(100vh - 320px); }
.table-wrap thead { position: sticky; top: 0; z-index: 1; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead { background: var(--gray-50); }
th {
  padding: 12px 16px; text-align: left; font-weight: 600; color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200); white-space: nowrap; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
td {
  padding: 12px 16px; border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700); white-space: nowrap;
}
tr:hover td { background: var(--gray-50); }
.text-right { text-align: right; }
.text-green { color: var(--success); font-weight: 600; }
.text-red { color: var(--danger); font-weight: 600; }
.text-orange { color: var(--warning); font-weight: 600; }

/* Badge */
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-neutral { background: var(--gray-100); color: var(--gray-600); }

/* Pagination */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-top: 1px solid var(--gray-200);
}
.pagination-info { font-size: 13px; color: var(--gray-500); }
.pagination-buttons { display: flex; gap: 4px; }
.pagination-buttons button {
  padding: 6px 12px; border: 1px solid var(--gray-300); background: #fff;
  border-radius: var(--radius); cursor: pointer; font-size: 13px;
}
.pagination-buttons button:hover { background: var(--gray-50); }
.pagination-buttons button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination-buttons button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Loading */
.loading { text-align: center; padding: 60px 20px; color: var(--gray-400); }
.loading .spinner {
  display: inline-block; width: 40px; height: 40px;
  border: 3px solid var(--gray-200); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Sync info */
.sync-bar {
  display: flex; align-items: center; gap: 12px; padding: 10px 20px;
  background: var(--primary-light); border-radius: var(--radius);
  margin-bottom: 20px; font-size: 13px; color: var(--primary-dark);
}

/* Date Filter */
.filter-bar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  flex-wrap: wrap;
}
.filter-bar label { font-size: 13px; color: var(--gray-600); font-weight: 500; }
.filter-bar input[type="date"] {
  padding: 7px 12px; border: 1px solid var(--gray-300); border-radius: var(--radius);
  font-size: 13px; color: var(--gray-700);
}
.filter-bar input[type="date"]:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

/* Charts */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 28px; }
.chart-card {
  background: #fff; border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow);
}
.chart-card h3 { font-size: 15px; font-weight: 600; color: var(--gray-700); margin-bottom: 16px; }
.chart-card canvas { max-height: 280px; }

/* Export button */
.btn-export { gap: 6px; }
.btn-export svg { width: 16px; height: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header h2, .sidebar-header p, .nav-item span, .sidebar-footer .user-email { display: none; }
  .sidebar-header { padding: 16px; text-align: center; }
  .nav-item { justify-content: center; padding: 14px; }
  .main { margin-left: 60px; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .filter-bar { flex-direction: column; align-items: flex-start; }
}