*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #eff6ff;--success: #16a34a;--success-light: #f0fdf4;--warning: #d97706;--warning-light: #fffbeb;--danger: #dc2626;--danger-light: #fef2f2;--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;--sidebar-width: 240px;--header-height: 60px;--radius: 8px;--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)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe 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.sidebar-logo{justify-content:center;padding:16px 8px}.sidebar.collapsed .sidebar-collapse-btn{margin-left:0}.sidebar.collapsed .nav-item{justify-content:center;padding:9px 0;gap:0}.sidebar.collapsed .nav-icon{width:auto}.sidebar.collapsed .sidebar-footer{justify-content:center}.app-layout.sidebar-collapsed .main-content{margin-left:64px}.sidebar-nav{flex:1;padding:8px;overflow-y:auto}.nav-section{margin-top:16px}.nav-section-title{font-size:10px;font-weight:600;letter-spacing:.1em;color:var(--gray-400);text-transform:uppercase;padding:0 8px;margin-bottom:4px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:6px;color:var(--gray-300);text-decoration:none;transition:background .15s,color 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h3{font-size:15px;font-weight:600}.card-body{padding:20px}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.kpi-card{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border:1px solid var(--gray-200);border-left:4px solid var(--primary)}.kpi-card.success{border-left-color:var(--success)}.kpi-card.warning{border-left-color:var(--warning)}.kpi-card.danger{border-left-color:var(--danger)}.kpi-label{font-size:12px;color:var(--gray-500);font-weight:500;text-transform:uppercase;letter-spacing:.05em}.kpi-value{font-size:26px;font-weight:700;margin-top:6px;color:var(--gray-900)}.kpi-sub{font-size:12px;color:var(--gray-500);margin-top:4px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;border:none;transition:all 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td{border-bottom:none}tbody tr:hover{background:var(--gray-50)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:600}.badge-pending{background:#fef9c3;color:#854d0e}.badge-paid{background:var(--success-light);color:var(--success)}.badge-overdue{background:var(--danger-light);color:var(--danger)}.badge-cancelled{background:var(--gray-100);color:var(--gray-500)}.form-grid{display:grid;gap:16px}.form-grid-2{grid-template-columns:1fr 1fr}.form-grid-3{grid-template-columns:1fr 1fr 1fr}.form-group{display:flex;flex-direction:column;gap:4px}.form-label{font-size:12px;font-weight:500;color:var(--gray-600)}.form-control{padding:8px 12px;border-radius:6px;border:1px solid var(--gray-300);font-size:13px;background:#fff;transition:border-color .15s;width:100%}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}textarea.form-control{resize:vertical;min-height:80px}select.form-control{cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:#fff;border-radius:10px;box-shadow:var(--shadow-md);width:100%;max-width:560px;max-height:90vh;overflow-y:auto}.modal-header{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:16px;font-weight:600}.modal-body{padding:20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--gray-200);display:flex;gap:8px;justify-content:flex-end}.alert{padding:12px 16px;border-radius:6px;font-size:13px;margin-bottom:16px}.alert-error{background:var(--danger-light);color:var(--danger);border:1px solid #fca5a5}.alert-success{background:var(--success-light);color:var(--success);border:1px solid #86efac}.filters{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}.filters .form-group{min-width:160px}.empty-state{text-align:center;padding:48px;color:var(--gray-400)}.empty-state span{font-size:48px;display:block;margin-bottom:12px}.empty-state p{font-size:14px}.loading{text-align:center;padding:40px;color:var(--gray-400);font-size:14px}.login-page{min-height:100vh;background:var(--gray-900);display:flex;align-items:center;justify-content:center;padding:16px}.login-box{background:#fff;border-radius:12px;padding:40px;width:100%;max-width:380px;box-shadow:0 20px 60px #0000004d}.login-logo{text-align:center;margin-bottom:28px}.login-logo span{font-size:48px;display:block;margin-bottom:8px}.login-logo h1{font-size:22px;font-weight:700;color:var(--gray-900)}.login-logo p{font-size:13px;color:var(--gray-400);margin-top:2px}.sidebar-footer{padding:12px 16px;border-top:1px solid 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768px){.kpi-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:20px}.page-body{padding:16px}.page-header{padding:12px 16px;flex-wrap:wrap;gap:8px}.form-grid-2{grid-template-columns:1fr!important}.modal{margin:8px!important;max-width:calc(100vw - 16px)!important;width:auto!important}.btn{font-size:12px;padding:6px 12px}.btn-sm{padding:4px 8px;font-size:11px}}@media (max-width: 480px){:root{--sidebar-width: 60px}.sidebar{width:var(--sidebar-width);transition:width .3s ease}.sidebar:hover,.sidebar.open{width:240px}.sidebar-logo{padding:12px 8px}.sidebar-logo h1,.sidebar-logo p{display:none}.sidebar:hover .sidebar-logo h1,.sidebar:hover .sidebar-logo p,.sidebar.open .sidebar-logo h1,.sidebar.open .sidebar-logo p{display:block}.nav-item{justify-content:center;padding:12px 8px}.nav-item span:not(.nav-icon){display:none}.sidebar:hover .nav-item span:not(.nav-icon),.sidebar.open .nav-item span:not(.nav-icon){display:inline}.sidebar:hover .nav-item,.sidebar.open .nav-item{justify-content:flex-start;padding:9px 12px}.main-content{margin-left:var(--sidebar-width)}.page-header{padding:8px 12px;flex-direction:column;align-items:flex-start;gap:8px}.page-header h2{font-size:16px}.page-body{padding:12px}.kpi-grid{grid-template-columns:1fr;gap:8px;margin-bottom:16px}.kpi-card{padding:16px}.kpi-value{font-size:22px}.table-wrap{border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}table{font-size:12px}th,td{padding:8px 6px!important}th{font-size:11px;background:var(--gray-100);font-weight:600}.hide-mobile{display:none}.modal{position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;margin:0!important;border-radius:0!important;max-width:none!important;width:100%!important;height:100vh!important;overflow-y:auto}.modal-header{padding:12px 16px;position:sticky;top:0;background:#fff;z-index:10;border-bottom:2px solid var(--gray-100)}.modal-header h3{font-size:16px}.modal-body{padding:16px}.modal-footer{padding:12px 16px;position:sticky;bottom:0;background:#fff;border-top:2px solid var(--gray-100)}.form-group{margin-bottom:16px}.form-control{padding:10px 12px;font-size:14px}.btn{padding:10px 16px;font-size:14px;width:100%;justify-content:center}.btn-sm{padding:6px 10px;font-size:12px;width:auto}.filters{flex-direction:column;gap:12px}.filters .form-group{margin-bottom:0}.mobile-actions{display:flex;gap:4px;flex-wrap:wrap}.mobile-actions .btn{flex:1;min-width:0;padding:6px 4px;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-toggle{position:fixed;top:10px;left:10px;z-index:1000;background:var(--primary);color:#fff;border:none;border-radius:6px;padding:8px;font-size:16px;cursor:pointer;display:none}.sidebar-toggle.show{display:block}}@media (max-width: 320px){.page-header h2{font-size:14px}.kpi-value{font-size:18px}table{font-size:11px}th,td{padding:6px 4px!important}}