:root{--primary: #059669;--primary-light: #34d399;--primary-bg: #ecfdf5;--success: #16a34a;--warning: #d97706;--danger: #dc2626;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-500: #6b7280;--gray-700: #374151;--gray-900: #111827;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.6}.app{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--primary);color:#fff;padding:1rem 0;flex-shrink:0}.sidebar h1{font-size:1.1rem;padding:.5rem 1.2rem 1rem;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:.5rem}.sidebar nav a{display:block;color:#fffc;text-decoration:none;padding:.6rem 1.2rem;font-size:.9rem;transition:background .15s}.sidebar nav a:hover,.sidebar nav a.active{background:#ffffff1f;color:#fff}.sidebar-footer{margin-top:auto;padding:1rem 1.2rem;border-top:1px solid rgba(255,255,255,.15);font-size:.8rem;color:#fff9}.main{flex:1;padding:1.5rem 2rem;overflow-x:auto}.page-title{font-size:1.4rem;margin-bottom:1.2rem}.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem;margin-bottom:1rem}.card-title{font-size:1rem;font-weight:600;margin-bottom:.8rem}.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem}.kpi{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem;text-align:center}.kpi-value{font-size:2rem;font-weight:700;color:var(--primary)}.kpi-label{font-size:.8rem;color:var(--gray-500);margin-top:.2rem}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{padding:.6rem .8rem;text-align:left;border-bottom:1px solid var(--gray-200)}th{background:var(--gray-50);font-weight:600;color:var(--gray-700);white-space:nowrap}tr:hover{background:var(--primary-bg)}.badge{display:inline-block;padding:.15rem .6rem;border-radius:12px;font-size:.75rem;font-weight:600}.badge-open{background:#dbeafe;color:#1e40af}.badge-closed{background:#fef3c7;color:#92400e}.badge-paid{background:#d1fae5;color:#065f46}.badge-draft{background:var(--gray-200);color:var(--gray-700)}.badge-issued{background:#dbeafe;color:#1e40af}.badge-confirmed{background:#fef3c7;color:#92400e}.btn{display:inline-block;padding:.5rem 1rem;border-radius:var(--radius);border:none;font-size:.85rem;font-weight:500;cursor:pointer;text-decoration:none;transition:opacity .15s}.btn:hover{opacity:.85}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:.3rem .6rem;font-size:.78rem}.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.85rem;font-weight:500;color:var(--gray-700);margin-bottom:.3rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.5rem .7rem;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:.9rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 2px #05966926}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#064e3b,#059669)}.login-card{background:#fff;border-radius:12px;padding:2.5rem;width:380px;box-shadow:0 8px 32px #00000026}.login-card h1{text-align:center;margin-bottom:.3rem;color:var(--primary)}.login-card p{text-align:center;color:var(--gray-500);font-size:.85rem;margin-bottom:1.5rem}.login-error{background:#fee2e2;color:#991b1b;padding:.5rem;border-radius:var(--radius);font-size:.85rem;margin-bottom:1rem;text-align:center}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:12px;padding:1.5rem;width:480px;max-width:90vw;max-height:80vh;overflow-y:auto;box-shadow:0 8px 32px #0003}.modal-title{font-size:1.1rem;font-weight:600;margin-bottom:1rem}.modal-actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1rem}.amount{font-weight:600;font-variant-numeric:tabular-nums}.amount-large{font-size:1.5rem}@media(max-width:768px){.app{flex-direction:column}.sidebar{width:100%;display:flex;flex-wrap:wrap;padding:.5rem}.sidebar h1{padding:.3rem .8rem;border:none;margin:0}.sidebar nav{display:flex;flex-wrap:wrap}.sidebar nav a{padding:.4rem .8rem;font-size:.82rem}.sidebar-footer{display:none}.main{padding:1rem}.form-row{grid-template-columns:1fr}.kpi-grid{grid-template-columns:repeat(2,1fr)}}