.app-layout{display:flex;min-height:100vh;background:#f1f5f9}.sidebar{width:260px;background:#0f172a;color:#e2e8f0;display:flex;flex-direction:column;flex-shrink:0}.sidebar-brand{padding:1.5rem;display:flex;align-items:center;gap:.75rem;border-bottom:1px solid rgba(255,255,255,.06)}.sidebar-logo{width:40px;height:40px;background:linear-gradient(135deg,#2563eb,#1d4ed8);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:#fff}.sidebar-title{font-weight:600;font-size:1.1rem;color:#f8fafc}.sidebar-nav{flex:1;padding:1rem .75rem;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:block;padding:.65rem 1rem;color:#94a3b8;text-decoration:none;border-radius:8px;font-size:.95rem;transition:color .15s,background .15s}.sidebar-link:hover{color:#e2e8f0;background:#ffffff0f}.sidebar-link.active{color:#fff;background:#3b82f633}.sidebar-footer{padding:1rem 1rem 1.25rem;border-top:1px solid rgba(255,255,255,.06)}.sidebar-user{font-size:.85rem;color:#94a3b8;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.sidebar-user-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-user-badge{font-size:.7rem;padding:.15rem .4rem;background:#3b82f64d;color:#93c5fd;border-radius:4px;flex-shrink:0}.sidebar-logout{width:100%;padding:.5rem;font-size:.9rem;color:#94a3b8;background:none;border:none;cursor:pointer;border-radius:6px;text-align:left}.sidebar-logout:hover{color:#f87171;background:#f871711a}.main-content{flex:1;overflow:auto;padding:1.5rem 2rem}@media (max-width: 768px){.sidebar{width:72px}.sidebar-title,.sidebar-link span,.sidebar-user-email,.sidebar-logout{display:none}.sidebar-brand{justify-content:center}.sidebar-link{text-align:center;padding:.75rem}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#0f172a,#1e293b,#0f172a);padding:1.5rem}.login-card{width:100%;max-width:400px;background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:2.5rem;box-shadow:0 25px 50px -12px #00000080}.login-brand{text-align:center;margin-bottom:2rem}.login-brand h1{margin:0;font-size:1.75rem;font-weight:700;color:#f8fafc;letter-spacing:-.02em}.login-brand p{margin:.5rem 0 0;font-size:.9rem;color:#94a3b8}.login-form h2{margin:0 0 1.25rem;font-size:1.15rem;font-weight:600;color:#e2e8f0}.login-hint{font-size:.85rem;color:#94a3b8;margin:0 0 1rem}.login-input{width:100%;padding:.75rem 1rem;margin-bottom:1rem;font-size:1rem;border:1px solid rgba(255,255,255,.12);border-radius:8px;background:#0f172a99;color:#f8fafc;outline:none;box-sizing:border-box}.login-input::placeholder{color:#64748b}.login-input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f633}.login-error{margin:0 0 1rem;font-size:.9rem;color:#f87171}.login-btn{width:100%;padding:.75rem 1rem;font-size:1rem;font-weight:600;color:#fff;background:#2563eb;border:none;border-radius:8px;cursor:pointer;margin-top:.25rem}.login-btn:hover:not(:disabled){background:#1d4ed8}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-link{display:block;width:100%;margin-top:1rem;padding:.5rem;font-size:.9rem;color:#94a3b8;background:none;border:none;cursor:pointer}.login-link:hover{color:#e2e8f0}.admin-page{max-width:640px}.admin-header{margin-bottom:1.5rem}.admin-header h1{margin:0;font-size:1.5rem;font-weight:700;color:#0f172a}.admin-header p{margin:.35rem 0 0;font-size:.95rem;color:#64748b}.admin-alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.9rem}.admin-alert-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.admin-alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.admin-section{background:#fff;border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 1px 3px #00000014}.admin-section h2{margin:0 0 1rem;font-size:1.1rem;font-weight:600;color:#0f172a}.admin-form{display:flex;flex-direction:column;gap:1rem}.admin-field label{display:block;font-size:.85rem;font-weight:500;color:#374151;margin-bottom:.35rem}.admin-input{width:100%;padding:.6rem .75rem;font-size:.95rem;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#0f172a;box-sizing:border-box}.admin-input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb26}.admin-btn{padding:.6rem 1.25rem;font-size:.95rem;font-weight:600;color:#fff;background:#2563eb;border:none;border-radius:8px;cursor:pointer;align-self:flex-start}.admin-btn:hover{background:#1d4ed8}.admin-btn:disabled{opacity:.6;cursor:not-allowed}.admin-btn-secondary{background:#e2e8f0;color:#475569}.admin-btn-secondary:hover{background:#cbd5e1}.admin-hint{font-size:.9rem;color:#64748b;margin:0 0 .75rem}.admin-2fa{display:flex;flex-direction:column;gap:.75rem}.admin-qr{width:180px;height:180px;border-radius:8px}.admin-error{font-size:.9rem;color:#b91c1c;margin:0}.admin-2fa-actions{display:flex;gap:.5rem}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5;color:#0f172a;background:#f1f5f9;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:#f1f5f9;color:#64748b}.loading-spinner{width:40px;height:40px;border:3px solid #e2e8f0;border-top-color:#2563eb;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.global-alert{padding:.75rem 1.5rem;font-size:.9rem;text-align:center}.global-alert-error{background:#fef2f2;color:#b91c1c;border-bottom:1px solid #fecaca}.page-header{margin-bottom:1.5rem}.page-header h1{margin:0;font-size:1.5rem;font-weight:700;color:#0f172a}.page-header p{margin:.35rem 0 0;font-size:.95rem;color:#64748b}.card{background:#fff;border-radius:12px;padding:1.5rem;margin-bottom:1.25rem;box-shadow:0 1px 3px #00000014}.card h2,.card h3{margin:0 0 .75rem;font-size:1.1rem;font-weight:600;color:#0f172a}.card p{margin:0 0 1rem;font-size:.95rem;color:#475569}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.95rem;font-weight:500;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s}.btn-primary{background:#2563eb;color:#fff;border-color:#2563eb}.btn-primary:hover:not(:disabled){background:#1d4ed8}.btn-secondary{background:#fff;color:#475569;border-color:#e2e8f0}.btn-secondary:hover:not(:disabled){background:#f8fafc}.btn-success{background:#16a34a;color:#fff;border-color:#16a34a}.btn-success:hover:not(:disabled){background:#15803d}.btn-danger{background:#dc2626;color:#fff;border-color:#dc2626}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn:disabled{opacity:.6;cursor:not-allowed}.link-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.link-modal{max-width:640px;width:100%;max-height:90vh;overflow:auto}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-card{background:#fff;border-radius:8px;box-shadow:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;padding:1.25rem;width:100%}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{padding:.65rem .75rem;text-align:left;border-bottom:1px solid #e2e8f0}th{font-weight:600;color:#475569;background:#f8fafc}tr:hover td{background:#f8fafc}.badge{display:inline-block;padding:.2rem .5rem;border-radius:6px;font-size:.8rem;font-weight:500}.badge-success{background:#dcfce7;color:#166534}.badge-warning{background:#fef9c3;color:#854d0e}.error-msg{color:#b91c1c;font-size:.9rem;margin:.5rem 0 0}.success-msg{color:#166534;font-size:.9rem;margin:.5rem 0 0}input[type=text],input[type=email],input[type=password],input[type=date],select{padding:.5rem .75rem;font-size:.95rem;border:1px solid #e2e8f0;border-radius:8px;background:#fff;color:#0f172a}input:focus,select:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb26}.invoice-group{margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid #e2e8f0}.invoice-group:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.card-unlinked{border-left:4px solid #f59e0b;background:#fffbeb}