:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --secondary: #7c3aed;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --info: #0891b2;
  --dark: #1f2937;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
  --sidebar-width: 260px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f0f2f5;
  color: var(--dark);
  min-height: 100vh;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a56db 0%, #7c3aed 100%);
  padding: 20px;
}
.login-card {
  background: white;
  border-radius: 16px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo h1 { color: var(--primary); font-size: 28px; font-weight: 700; }
.login-logo p { color: var(--gray); font-size: 14px; margin-top: 4px; }
.login-logo .company-name { color: var(--gray); font-size: 11px; margin-top: 2px; }

/* Form */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; color: var(--dark); font-size: 14px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
  background: white;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,0.1); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #047857; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #b45309; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: var(--gray); color: white; }
.btn-secondary:hover { background: #4b5563; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* Layout */
.app-container { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: transform 0.3s;
}
.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo h2 { font-size: 20px; font-weight: 700; color: #60a5fa; }
.sidebar-logo small { font-size: 10px; color: #94a3b8; display: block; margin-top: 2px; }
.sidebar-nav { padding: 16px 0; }
.nav-section { padding: 8px 20px; font-size: 11px; text-transform: uppercase; color: #64748b; font-weight: 600; letter-spacing: 0.5px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  font-size: 14px;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: white; }
.nav-item.active {
  background: rgba(96,165,250,0.1);
  color: #60a5fa;
  border-left-color: #60a5fa;
}
.nav-item .icon { width: 20px; text-align: center; font-size: 16px; }
.sidebar-footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
}
.sidebar-footer .user-info { color: #94a3b8; }
.sidebar-footer .user-name { color: white; font-weight: 600; }
.sidebar-footer .logout-btn {
  background: rgba(255,255,255,0.1);
  border: none;
  color: #f87171;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  margin-top: 8px;
  width: 100%;
}
.sidebar-footer .logout-btn:hover { background: rgba(248,113,113,0.2); }

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 24px 32px;
  min-height: 100vh;
}
.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(--dark); }
.page-header .breadcrumb { color: var(--gray); font-size: 13px; }

/* Cards */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 16px;
}
.card-body { padding: 24px; }

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: white;
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.stat-card.clickable {
  cursor: pointer;
}
.stat-card.clickable:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.stat-icon.blue { background: #dbeafe; color: #1a56db; }
.stat-icon.green { background: #d1fae5; color: #059669; }
.stat-icon.yellow { background: #fef3c7; color: #d97706; }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.stat-icon.red { background: #fee2e2; color: #dc2626; }
.stat-icon.cyan { background: #cffafe; color: #0891b2; }
.stat-info h3 { font-size: 24px; font-weight: 700; }
.stat-info p { font-size: 13px; color: var(--gray); margin-top: 2px; }

/* Tables */
.table-container { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th {
  text-align: left;
  padding: 12px 16px;
  background: var(--light-gray);
  font-weight: 600;
  color: var(--gray);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:hover { background: #f9fafb; }

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-draft { background: #e5e7eb; color: #4b5563; }
.badge-submitted { background: #dbeafe; color: #1d4ed8; }
.badge-under_review { background: #fef3c7; color: #92400e; }
.badge-sanctioned { background: #d1fae5; color: #065f46; }
.badge-disbursed { background: #059669; color: white; }
.badge-rejected { background: #fee2e2; color: #991b1b; }
.badge-cancelled { background: #fecaca; color: #7f1d1d; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #e5e7eb; color: #4b5563; }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved { background: #dbeafe; color: #1d4ed8; }
.badge-paid { background: #059669; color: white; }
.badge-verified { background: #059669; color: white; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}
.modal-overlay.active { display: flex; }
.modal {
  background: white;
  border-radius: 16px;
  width: 100%;
  max-width: 800px;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 700;
  position: sticky;
  top: 0;
  background: white;
  z-index: 1;
}
.modal-header .close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray);
  padding: 4px 8px;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
}
.tab {
  padding: 12px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s;
  font-size: 14px;
}
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab:hover { color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Section headers inside forms */
.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin: 24px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-light);
}
.section-title:first-child { margin-top: 0; }

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.filter-bar .form-control { width: auto; min-width: 180px; }
.filter-bar input[type="text"] { flex: 1; min-width: 220px; }

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--gray); }

/* Currency formatting */
.currency { font-family: 'Segoe UI', monospace; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}
.empty-state h3 { color: var(--dark); margin-bottom: 8px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 16px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* Action buttons in table */
.action-btns { display: flex; gap: 6px; }

/* Amount display */
.amount-large { font-size: 20px; font-weight: 700; }
.amount-credit { color: var(--success); }
.amount-debit { color: var(--danger); }

/* Info grid for case details */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
}
.info-item { padding: 8px 0; }
.info-item label { font-size: 12px; color: var(--gray); display: block; margin-bottom: 2px; }
.info-item span { font-weight: 600; font-size: 14px; }

/* Doc type tags */
.doc-type {
  display: inline-block;
  padding: 2px 8px;
  background: var(--light-gray);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}