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#15803d;--primary-light: #dcfce7;--primary-50: #f0fdf4;--primary-100: #dcfce7;--primary-500: #22c55e;--primary-600: #16a34a;--primary-700: #15803d;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--info: #2563eb;--warning-light: #fef3c7;--danger-light: #fee2e2;--info-light: #dbeafe;--sidebar-width: 240px;--topbar-height: 60px;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);--radius-sm: 6px;--radius: 8px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--transition: .15s ease;--transition-md: .25s 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var(--radius-lg)}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition-md),transform 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16px;height:36px;font-size:13.5px;font-weight:500;border-radius:var(--radius);border:1px solid transparent;transition:all var(--transition);white-space:nowrap;cursor:pointer;outline:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:15px;height:15px}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);border-color:var(--primary-dark);box-shadow:0 2px 4px #16a34a4d}.btn-secondary{background:var(--surface);color:var(--gray-700);border-color:var(--border)}.btn-secondary:hover:not(:disabled){background:var(--gray-50);border-color:var(--gray-300)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover:not(:disabled){background:#b91c1c;border-color:#b91c1c}.btn-ghost{background:transparent;color:var(--gray-600);border-color:transparent}.btn-ghost:hover:not(:disabled){background:var(--gray-100);color:var(--gray-800)}.btn-sm{height:30px;padding:0 12px;font-size:12.5px}.btn-lg{height:42px;padding:0 22px;font-size:14.5px}.btn-icon{padding:0;width:36px}.btn-icon.btn-sm{width:30px}.form-group{margin-bottom:16px}.form-label{display:block;font-size:12.5px;font-weight:500;color:var(--gray-700);margin-bottom:6px}.form-label .required{color:var(--danger);margin-left:2px}.form-input,.form-select,.form-textarea{width:100%;height:36px;padding:0 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:13.5px;color:var(--gray-800);background:var(--surface);transition:border-color var(--transition),box-shadow var(--transition);outline:none}.form-textarea{height:auto;padding:10px 12px;resize:vertical}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px 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16px;font-size:13.5px;color:var(--gray-700);border-bottom:1px solid var(--gray-100)}tbody tr{transition:background var(--transition)}tbody tr:hover{background:var(--gray-50)}tbody tr:last-child td{border-bottom:none}.table-empty{text-align:center;padding:60px 20px;color:var(--gray-400)}.table-empty-icon{font-size:40px;margin-bottom:12px}.table-empty-text{font-size:14px;color:var(--gray-500)}.table-empty-sub{font-size:12.5px;color:var(--gray-400);margin-top:4px}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-full);font-size:11.5px;font-weight:600;text-transform:capitalize}.badge-green{background:var(--primary-50);color:var(--primary-700)}.badge-blue{background:var(--info-light);color:var(--info)}.badge-amber{background:var(--warning-light);color:var(--warning)}.badge-red{background:var(--danger-light);color:var(--danger)}.badge-gray{background:var(--gray-100);color:var(--gray-600)}.badge-paid{background:#dcfce7;color:#166534}.badge-unpaid{background:#fee2e2;color:#991b1b}.badge-partial{background:#fef3c7;color:#92400e}.badge-overdue{background:#ffe4e6;color:#9f1239}.badge-draft{background:#f1f5f9;color:#475569}.badge-cancelled{background:#f1f5f9;color:#94a3b8}.badge-sent{background:#dbeafe;color:#1d4ed8}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s ease}.modal{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;animation:slideUp .2s ease}.modal.modal-lg{max-width:780px}.modal.modal-xl{max-width:1000px}.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:16px;font-weight:700;color:var(--gray-900)}.modal-close{background:none;border:none;color:var(--gray-400);cursor:pointer;padding:4px;border-radius:var(--radius);transition:all var(--transition)}.modal-close:hover{color:var(--gray-600);background:var(--gray-100)}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.alert{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;border-radius:var(--radius);font-size:13.5px;border:1px solid transparent;margin-bottom:16px}.alert svg{flex-shrink:0;margin-top:1px}.alert-success{background:var(--primary-50);border-color:var(--primary-100);color:#166534}.alert-error{background:var(--danger-light);border-color:#fca5a5;color:#991b1b}.alert-warning{background:var(--warning-light);border-color:#fde68a;color:#92400e}.alert-info{background:var(--info-light);border-color:#bfdbfe;color:#1e40af}.pagination{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-top:1px solid var(--border)}.pagination-info{font-size:12.5px;color:var(--gray-500)}.pagination-controls{display:flex;align-items:center;gap:4px}.page-btn{width:30px;height:30px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--gray-700);font-size:12.5px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition)}.page-btn:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.page-btn:disabled{opacity:.4;cursor:not-allowed}.spinner{width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}.spinner-lg{width:40px;height:40px;border-width:3px}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{display:flex;align-items:center;justify-content:center;padding:60px}.filter-bar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.search-input-wrapper{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:0 12px;height:36px;flex:1;min-width:200px;max-width:340px;transition:border-color var(--transition),box-shadow var(--transition)}.search-input-wrapper:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #16a34a1a}.search-input-wrapper input{border:none;outline:none;background:none;font-size:13.5px;color:var(--gray-800);width:100%}.search-input-wrapper input::placeholder{color:var(--gray-400)}.search-input-wrapper svg{color:var(--gray-400);flex-shrink:0}.dropdown{position:relative;display:inline-block}.dropdown-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:180px;z-index:200;animation:slideUp .15s ease;overflow:hidden}.dropdown-item{display:flex;align-items:center;gap:8px;padding:9px 14px;font-size:13.5px;color:var(--gray-700);cursor:pointer;transition:background var(--transition)}.dropdown-item:hover{background:var(--gray-50)}.dropdown-item.danger{color:var(--danger)}.dropdown-item.danger:hover{background:var(--danger-light)}.dropdown-divider{height:1px;background:var(--border);margin:4px 0}.invoice-items-table th{background:var(--gray-50)}.invoice-items-table input{height:32px;font-size:13px}.chart-container{width:100%;height:280px}.divider{height:1px;background:var(--border);margin:20px 0}.text-primary{color:var(--primary)}.text-gray{color:var(--gray-500)}.text-sm{font-size:12.5px}.text-xs{font-size:11.5px}.font-semibold{font-weight:600}.font-bold{font-weight:700}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0fdf4,#dcfce7,#f0fdf4);padding:20px}.login-card{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:420px}.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px;justify-content:center}.login-logo-icon{width:44px;height:44px;background:var(--primary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff}.login-title{font-size:22px;font-weight:700;color:var(--gray-900);text-align:center}.login-subtitle{font-size:13.5px;color:var(--gray-500);text-align:center;margin-top:6px;margin-bottom:28px}@media (max-width: 768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:16px}.topbar{left:0}.grid-2,.grid-3,.grid-4,.form-row.cols-2,.form-row.cols-3,.form-row.cols-4{grid-template-columns:1fr}.topbar-search{width:160px}}@media (max-width: 480px){.main-content{padding:12px}.page-header{flex-direction:column;align-items:flex-start}.stat-value{font-size:22px}}