:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:#f5f5f5;color:#333}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.app-header h1{font-size:1.5rem;font-weight:600}.user-info{display:flex;align-items:center;gap:1rem}.btn-logout{background:#fff3;color:#fff;border:1px solid rgba(255,255,255,.3);padding:.5rem 1rem;border-radius:4px;cursor:pointer;transition:background .2s}.btn-logout:hover{background:#ffffff4d}.app-main{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.login-box{background:#fff;padding:2.5rem;border-radius:12px;box-shadow:0 10px 40px #0003;width:100%;max-width:400px}.login-box h1{text-align:center;color:#667eea;margin-bottom:.5rem}.login-box h2{text-align:center;color:#666;font-weight:400;font-size:1rem;margin-bottom:2rem}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:#555}.form-group input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:6px;font-size:1rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}button{font-size:1rem;cursor:pointer;transition:all .2s}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;font-weight:500}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{background:#f0f0f0;color:#333;border:1px solid #ddd;padding:.5rem 1rem;border-radius:4px}.btn-secondary:hover{background:#e5e5e5}.btn-success{background:#28a745;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px}.btn-success:hover{background:#218838}.btn-danger{background:#dc3545;color:#fff;border:none;padding:.5rem 1rem;border-radius:4px}.btn-danger:hover{background:#c82333}.btn-small{padding:.25rem .5rem;font-size:.85rem}.btn-link{background:none;border:none;color:#667eea;text-decoration:underline;padding:0}.btn-link:hover{color:#764ba2}.client-list{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;padding:1.5rem}.client-list .header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.client-list .header h2{font-size:1.25rem;color:#333}.client-list .actions{display:flex;gap:1rem}.search-input{padding:.5rem 1rem;border:1px solid #ddd;border-radius:6px;font-size:.9rem;width:250px}.search-input:focus{outline:none;border-color:#667eea}table{width:100%;border-collapse:collapse}th,td{padding:.75rem;text-align:left;border-bottom:1px solid #eee}th{background:#f8f9fa;font-weight:600;color:#555;font-size:.85rem;text-transform:uppercase}tr:hover{background:#f8f9fa}.action-buttons{display:flex;gap:.5rem}.status{display:inline-block;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:500}.status-active{background:#d4edda;color:#155724}.status-expiring{background:#fff3cd;color:#856404}.status-expired{background:#f8d7da;color:#721c24}.status-none{background:#e9ecef;color:#6c757d}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:#fff;border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #0000004d}.modal-wide{max-width:700px}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid #eee}.modal-header h3{font-size:1.1rem;color:#333}.close-btn{background:none;border:none;font-size:1.5rem;color:#999;cursor:pointer;line-height:1}.close-btn:hover{color:#333}.modal form,.modal .device-list,.modal .subscription-extend,.modal>h4,.modal>table,.modal>.empty,.modal>.loading{padding:0 1.5rem}.modal form{padding-top:1.5rem}.modal-actions{display:flex;justify-content:flex-end;gap:.75rem;padding:1.25rem 1.5rem;border-top:1px solid #eee;margin-top:1rem}.device-list{margin:1rem 0}.serial-number{font-family:monospace;font-size:.9rem}.add-device-form{display:flex;gap:.75rem;padding:1rem 1.5rem;background:#f8f9fa;border-radius:6px;margin:1rem 1.5rem}.add-device-form input{flex:1;padding:.5rem;border:1px solid #ddd;border-radius:4px}.subscription-extend{margin:1.5rem 0;padding:1.5rem;background:#f8f9fa;border-radius:8px}.subscription-extend h4{margin-bottom:1rem;color:#333}.duration-options{display:flex;gap:1rem;margin-bottom:1rem}.duration-options label{flex:1;cursor:pointer}.duration-options input{display:none}.duration-options .option-content{display:flex;flex-direction:column;align-items:center;padding:1rem;border:2px solid #ddd;border-radius:8px;transition:all .2s}.duration-options label.selected .option-content{border-color:#667eea;background:#fff;box-shadow:0 2px 8px #667eea33}.duration-options .duration{font-weight:600;color:#333}.duration-options .price{font-size:1.25rem;color:#28a745;font-weight:700;margin-top:.25rem}.modal>h4{margin:1.5rem 0 1rem;color:#555;font-size:.9rem;text-transform:uppercase}.error{background:#f8d7da;color:#721c24;padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.warning{background:#fff3cd;color:#856404;padding:.75rem 1rem;border-radius:6px;margin:1rem 1.5rem;text-align:center}.loading,.empty{text-align:center;padding:2rem;color:#666}.login-box button[type=submit]{width:100%;margin-top:.5rem}.has-debt-row{background:#fff5f5!important}.debt-badge{display:inline-block;background:#dc3545;color:#fff;border-radius:50%;width:18px;height:18px;font-size:12px;font-weight:700;text-align:center;line-height:18px;margin-left:6px}.debt-amount{color:#dc3545;font-weight:600}.no-debt{color:#6c757d}.unpaid-row{background:#fff5f5!important}.unpaid-row td{border-bottom-color:#f8d7da}.btn-paid{background:#28a745;color:#fff;border:none}.btn-unpaid{background:#dc3545;color:#fff;border:none;font-weight:700}.confirm-box{background:#fff3cd;padding:1rem;border-radius:6px;margin-top:1rem}.confirm-box p{margin-bottom:.75rem;font-weight:500}.confirm-buttons{display:flex;gap:.5rem}.delete-confirm{display:flex;gap:.25rem}.payment-option{margin:1rem 0}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px;cursor:pointer}.form-row{display:flex;gap:1rem}.form-group.half{flex:1}.clickable{cursor:pointer;transition:color .2s}.clickable:hover{color:#667eea;text-decoration:underline}th[style*="cursor: pointer"]:hover{background:#e9ecef}.modal-extra-wide{max-width:900px}.tabs{display:flex;gap:0;border-bottom:1px solid #ddd;margin:0 1.5rem}.tabs button{padding:.75rem 1.5rem;background:none;border:none;border-bottom:2px solid transparent;color:#666;font-weight:500;cursor:pointer;transition:all .2s}.tabs button:hover{color:#667eea}.tabs button.active{color:#667eea;border-bottom-color:#667eea}.client-summary{display:flex;gap:2rem;padding:1rem 1.5rem;background:#f8f9fa;margin:0;flex-wrap:wrap}.summary-item{display:flex;flex-direction:column;gap:.25rem}.summary-item .label{font-size:.75rem;color:#666;text-transform:uppercase}.summary-item .value{font-weight:600;font-size:1rem}.payment-amount-input{display:flex;align-items:center;gap:.5rem;margin-top:.5rem;margin-left:1.5rem}.payment-amount-input input{width:100px;padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.notes-input{display:flex;align-items:center;gap:.5rem;margin:.5rem 0}.notes-input input{flex:1;padding:.5rem;border:1px solid #ddd;border-radius:4px}.inline-payment-form{display:flex;gap:.25rem;align-items:center;flex-wrap:wrap}.payment-input-small{width:70px;padding:.25rem;border:1px solid #ddd;border-radius:4px;font-size:.85rem}.add-device-form .warning{margin:0;padding:.5rem;font-size:.85rem}
