.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;gap:1rem}.loading-spinner{width:40px;height:40px;border:4px solid #e1e8ed;border-top-color:#667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:#666;font-size:.9rem}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-box{background:#fff;padding:2.5rem;border-radius:16px;box-shadow:0 10px 40px #00000026;width:100%;max-width:420px;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:2rem}.auth-header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(45deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.auth-header p{color:#666;font-size:1rem}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{display:flex;align-items:center;gap:.5rem;font-weight:500;color:#444;font-size:.9rem}.form-group label svg{color:#667eea}.form-group input{padding:.75rem 1rem;border:2px solid #e1e8ed;border-radius:8px;font-size:1rem;transition:all .3s ease}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input::placeholder{color:#aaa}.form-hint{font-size:.8rem;color:#888;margin-top:.25rem}.role-select{display:flex;gap:1rem}.role-option{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem;border:2px solid #e1e8ed;border-radius:8px;cursor:pointer;transition:all .3s ease;font-weight:500}.role-option input{display:none}.role-option:hover{border-color:#667eea}.role-option.active{border-color:#667eea;background:linear-gradient(45deg,#667eea1a,#764ba21a);color:#667eea}.auth-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem;background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:.5rem}.auth-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.auth-btn:disabled{opacity:.7;cursor:not-allowed}.auth-footer{text-align:center;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #eee}.auth-footer p{color:#666}.auth-footer a{color:#667eea;font-weight:600;text-decoration:none;transition:color .3s ease}.auth-footer a:hover{color:#764ba2;text-decoration:underline}@media(max-width:480px){.auth-box{padding:1.5rem}.auth-header h1{font-size:2rem}.role-select{flex-direction:column}}.password-input-wrapper{position:relative;display:flex;align-items:center;width:100%}.password-input-wrapper input{width:100%;padding-right:45px!important}.password-toggle-icon{position:absolute;right:15px;top:50%;transform:translateY(-50%);cursor:pointer;color:#999;font-size:20px;display:flex;align-items:center;justify-content:center;z-index:10;background:transparent;border:none;padding:0;transition:color .2s}.password-toggle-icon:hover{color:#667eea}.complaint-icon-btn{position:absolute;top:20px;right:20px;background:#fff;border:2px solid #e1e8ed;border-radius:50%;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#3498db;transition:all .2s ease;box-shadow:0 2px 8px #0000001a;z-index:10}.complaint-icon-btn:hover{background:#e3f2fd;border-color:#3498db;transform:scale(1.05)}.complaint-icon-btn:active{transform:scale(.98)}.complaint-icon-btn svg{transition:transform .2s ease}.complaint-icon-btn:hover svg{transform:scale(1.1)}.auth-box{position:relative}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s ease-out}.modal-content{background:#fff;border-radius:16px;width:100%;max-width:500px;max-height:90vh;display:flex;flex-direction:column;animation:slideIn .3s ease-out}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e1e8ed}.modal-header h3{margin:0;color:#2c3e50;font-size:1.25rem}.modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;background:#f8f9fa;border:none;border-radius:50%;cursor:pointer;transition:all .2s ease;font-size:18px}.modal-close:hover{background:#e9ecef;transform:rotate(90deg)}.modal-body.no-scroll-body{padding:24px;flex:1;overflow:visible}.modal-body{padding:24px;overflow-y:auto;flex:1}.password-eye-icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);cursor:pointer;color:#888;display:flex}.password-history-section{margin-top:5px;border:1px solid #e1e8ed;border-radius:8px;padding:12px;background:#f8f9fa}.history-title{font-size:13px;color:#555;margin:0 0 8px;display:flex;align-items:center;gap:6px;font-weight:600}.history-list{max-height:100px;overflow-y:auto;padding-right:5px;border-top:1px solid #eee}.history-list::-webkit-scrollbar{width:4px}.history-list::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.history-item{display:flex;justify-content:space-between;align-items:center;font-size:12px;padding:6px 0;border-bottom:1px solid #eee}.history-item:last-child{border-bottom:none}.history-left{display:flex;align-items:center}.history-user{font-weight:600;color:#2c3e50}.history-date{color:#666;font-size:11px}.no-history{font-size:12px;color:#999;text-align:center;padding:10px 0}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-weight:500;color:#444;font-size:14px}.form-group input{width:100%;padding:10px;border:2px solid #e1e8ed;border-radius:8px;font-size:14px}.form-group input:focus{outline:none;border-color:#667eea}.edit-profile-modal{max-width:450px}.edit-profile-modal .modal-header h3{display:flex;align-items:center;gap:10px;margin:0;font-size:20px;color:#2c3e50}.edit-profile-modal .form-group{margin-bottom:20px}.edit-profile-modal .form-group label{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-weight:600;color:#2c3e50;font-size:14px}.edit-profile-modal .form-group input{width:100%;padding:12px;border:2px solid #e1e8ed;border-radius:8px;font-size:14px;transition:border-color .2s ease}.edit-profile-modal .form-group input:focus{outline:none;border-color:#3498db}.edit-profile-modal .modal-footer{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.edit-profile-modal .modal-footer button{padding:10px 20px;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s ease;border:none;font-size:14px}.edit-profile-modal .modal-footer button:disabled{opacity:.6;cursor:not-allowed}.header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:#fffffffa;box-shadow:0 2px 10px #0000001a;position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:16px}.header-title{font-size:1.75rem;font-weight:700;background:linear-gradient(45deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-role{background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase}.header-right{display:flex;align-items:center;gap:16px}.header-user{display:flex;align-items:center;gap:8px;color:#555;font-weight:500}.header-icon{font-size:20px}.header-menu-action{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:8px;cursor:pointer;border:none;font-weight:600;font-size:14px;transition:all .3s ease}.header-menu-icon{font-size:20px}.header-menu-label{display:none;font-size:14px}.header-menu-action--light{background:#f8f9fa;color:#555;border:1px solid #e1e8ed}.header-menu-action--danger{background:linear-gradient(45deg,#ff6b6b,#ee5a52);color:#fff}.header-menu-action--danger:hover{transform:translateY(-2px);box-shadow:0 4px 15px #ee5a5266}.header-menu-toggle{display:none;background:transparent;border:none;cursor:pointer;padding:6px;margin-left:auto}.header-menu-toggle span{display:block;width:22px;height:2px;background-color:#333;border-radius:4px;transition:all .25s ease}.header-menu-toggle span+span{margin-top:4px}.header-user-button{background:transparent;border:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;transition:all .2s ease;font-family:inherit;font-size:14px;color:#2c3e50}.header-user-button:hover{background:#3498db1a;color:#3498db}.header-edit-icon{font-size:14px;opacity:.6;transition:opacity .2s ease}.header-user-button:hover .header-edit-icon{opacity:1}@media(max-width:768px){.header{padding:12px 16px;position:sticky;top:0;z-index:200}.header-title{font-size:1.2rem}.header-user-button{padding:10px;width:100%;justify-content:flex-start;border-radius:6px}.header-user-button:hover{background:#3498db26}.header-left{gap:8px}.header-menu-toggle{display:block}.header-menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}.header-menu-toggle.open span:nth-child(2){opacity:0}.header-menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.header-right{position:absolute;top:100%;right:12px;margin-top:8px;background:#fff;border-radius:8px;padding:10px 12px;flex-direction:column;align-items:flex-start;gap:8px;box-shadow:0 4px 16px #00000026;display:none;min-width:190px}.header-right.open{display:flex}.header-user span{display:block;font-size:14px;font-weight:700;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-menu-action{width:100%;justify-content:flex-start;padding:6px 8px;border-radius:6px;gap:8px;box-shadow:none}.header-menu-icon{font-size:18px}.header-menu-action--light{background:transparent;border:none;color:#555}.header-menu-action--danger{background:transparent;color:#e74c3c}.header-menu-action:hover{background:#f5f7fa;transform:none;box-shadow:none}.header-menu-label{display:inline-block;font-size:13px;margin:0}}.user-select{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.select-wrapper{position:relative;flex:1;min-width:200px}.select-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#667eea;font-size:1.1rem;pointer-events:none}.select-wrapper select{width:100%;padding:.75rem 1rem .75rem 2.5rem;border:2px solid #e1e8ed;border-radius:8px;font-size:1rem;cursor:pointer;appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667eea' d='M6 8L1 3h10z'/%3E%3C/svg%3E") no-repeat right 12px center;transition:all .3s ease}.select-wrapper select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}@media(max-width:768px){.user-select{flex-direction:column;align-items:stretch}.select-wrapper{min-width:100%}.user-select .btn-danger{width:100%;justify-content:center}}.rent-form{background:#fff;border-radius:12px}.rent-form h2{color:#2c3e50;font-size:1.5rem;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:3px solid #667eea}.form-row{margin-bottom:1.25rem}.form-row label{display:block;font-weight:600;color:#555;font-size:.875rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.5rem}.form-row input,.form-row select{width:100%;padding:.75rem 1rem;border:2px solid #e1e8ed;border-radius:8px;font-size:1rem;transition:all .3s ease}.form-row input:focus,.form-row select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-row input.readonly{background-color:#f8f9fa;cursor:not-allowed;opacity:.7}.radio-group{display:flex;gap:1.5rem}.radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:500;text-transform:none!important;letter-spacing:normal!important}.radio-label input[type=radio]{width:auto;transform:scale(1.2);accent-color:#667eea}.internet-months{margin-top:1rem;padding:1rem;background:#f8f9fa;border-radius:8px}.internet-months-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.internet-months-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.5rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;font-size:.9rem;cursor:pointer;padding:.5rem;border-radius:6px;transition:background .2s ease}.checkbox-label:hover{background:#e9ecef}.checkbox-label input[type=checkbox]{width:auto;transform:scale(1.2);accent-color:#667eea}.selected-count{display:block;margin-top:.5rem;color:#666;font-size:.85rem}.partial-payment{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.partial-payment>div{display:flex;flex-direction:column;gap:.5rem}.total-display{background:linear-gradient(45deg,#00b894,#00cec9);color:#fff;padding:1rem 1.5rem;border-radius:8px;text-align:center;margin:1.5rem 0}.total-display h3{font-size:1.5rem;margin:0}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #667eea66}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;background:#f8f9fa;color:#495057;border:2px solid #dee2e6;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-secondary:hover{background:#e9ecef;border-color:#adb5bd}.btn-danger{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;background:linear-gradient(45deg,#ff6b6b,#ee5a52);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-danger:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #ee5a5266}.btn-small{padding:.4rem .75rem;font-size:.8rem}@media(max-width:768px){.partial-payment{grid-template-columns:1fr}.form-actions{flex-direction:column}.form-actions button{width:100%}}.btn-view-icon{color:#9b59b6}.btn-view-icon:hover{background-color:#f3e8ff;color:#7d3c98}.view-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.view-modal{background:#fff;border-radius:16px;width:100%;max-width:520px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0003;animation:modalSlideIn .2s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.view-modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid #e1e8ed}.view-modal-title{display:flex;align-items:center;gap:10px}.view-modal-icon{font-size:22px}.view-modal-title h3{margin:0;font-size:20px;font-weight:700;color:#2c3e50}.view-modal-close{background:none;border:none;cursor:pointer;color:#7f8c8d;font-size:20px;padding:4px;border-radius:6px;display:flex;align-items:center;transition:background .15s}.view-modal-close:hover{background:#f0f0f0;color:#2c3e50}.view-modal-body{padding:20px 24px;overflow-y:auto;flex:1}.view-modal-row{display:flex;gap:20px;margin-bottom:14px}.view-detail-block{flex:1;display:flex;flex-direction:column;gap:4px}.view-label{font-size:12px;color:#7f8c8d;font-weight:500;text-transform:uppercase;letter-spacing:.4px}.view-value{font-size:15px;font-weight:600;color:#2c3e50}.view-modal-divider{height:1px;background:#e1e8ed;margin:16px 0}.view-section-title{font-size:13px;font-weight:700;color:#3498db;text-transform:uppercase;letter-spacing:.5px;margin:0 0 12px}.view-summary-box{background:#f8f9fa;border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:10px}.view-summary-row{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:#7f8c8d}.view-summary-value{font-size:16px;font-weight:700;color:#2c3e50}.view-modal-dates{display:flex;gap:20px;margin-top:16px;font-size:11px;color:#95a5a6}.view-modal-footer{padding:16px 24px;border-top:1px solid #e1e8ed;display:flex;gap:10px;justify-content:flex-end}.view-modal-footer .btn-primary{display:flex;align-items:center;gap:6px}.view-modal-footer .btn-secondary{background:#f8f9fa;color:#7f8c8d;border:1px solid #e1e8ed;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.view-modal-footer .btn-secondary:hover{background:#e9ecef}.rent-history{background:#fff;border-radius:12px}.rent-history.empty{text-align:center;padding:3rem;color:#666}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.history-header h2{margin:0;border:none;padding:0}.bulk-actions{display:flex;gap:.75rem;flex-wrap:wrap}.bulk-actions button{display:inline-flex;align-items:center;gap:.5rem}.history-table-wrapper{overflow-x:auto}.history-table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden}.history-table th{background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;padding:1rem;text-align:left;font-weight:600;text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;white-space:nowrap}.history-table td{padding:1rem;border-bottom:1px solid #e1e8ed;vertical-align:middle}.history-table tbody tr{transition:all .3s ease}.history-table tbody tr:hover{background:#f8f9fa}.history-table tbody tr:nth-child(2n){background:#f8f9fb}.history-table tbody tr:nth-child(2n):hover{background:#f1f3f4}.checkbox-cell{width:40px;text-align:center}.checkbox-cell input[type=checkbox]{transform:scale(1.2);accent-color:#667eea;cursor:pointer}.month-year{font-weight:600;color:#2c3e50;white-space:nowrap}.electricity{font-size:.9rem}.electricity small{display:block;color:#888;font-size:.8rem}.amount{font-weight:500;white-space:nowrap}.amount.paid{color:#00b894}.amount.remaining{color:#e74c3c}.status-badge{display:inline-block;padding:.35rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.status-paid{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.status-unpaid{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.status-partial,.status-partially_paid{background:#fff3cd;color:#856404;border:1px solid #ffeaa7}.actions{display:flex;gap:.5rem;white-space:nowrap}.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;background:#f8f9fa;color:#495057;border:1px solid #dee2e6;border-radius:6px;cursor:pointer;transition:all .2s ease}.btn-icon:hover{background:#e9ecef;transform:translateY(-1px)}.btn-danger-icon{color:#e74c3c}.btn-danger-icon:hover{background:#fee;border-color:#e74c3c}@media(max-width:768px){.history-table{font-size:.85rem}.history-table th,.history-table td{padding:.75rem .5rem}.bulk-actions{width:100%;justify-content:center}.actions{flex-direction:column}}.unpaid-summary{background:linear-gradient(45deg,#ffeaa7,#fdcb6e);border-radius:12px;padding:1.25rem;margin-bottom:1.5rem;border-left:5px solid #e17055}.summary-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.alert-icon{color:#e17055;font-size:1.25rem}.summary-items{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.summary-item{background:#fff9;padding:.25rem .75rem;border-radius:20px;font-size:.9rem;color:#2d3436}.summary-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:.75rem;border-top:1px solid rgba(0,0,0,.1)}.total-due{font-weight:700;font-size:1.1rem;color:#d63031}@media(max-width:768px){.summary-footer{flex-direction:column;align-items:stretch}.summary-footer button{width:100%;justify-content:center}}.bulk-payment{background:#f8f9fa;border-radius:12px;padding:1.5rem}.bulk-payment h3{color:#2c3e50;margin-bottom:1.5rem}.distribution-preview{margin-top:1.5rem}.distribution-preview h4{color:#555;margin-bottom:1rem}.distribution-table-wrapper{width:100%;overflow-x:auto}.distribution-table{width:100%;border-collapse:collapse;margin-bottom:1.5rem;background:#fff;border-radius:8px;overflow:hidden;min-width:480px}.distribution-table th,.distribution-table td{padding:.75rem;text-align:left;border-bottom:1px solid #e1e8ed;white-space:nowrap}.distribution-table th{background:#667eea;color:#fff;font-weight:600;font-size:.8rem;text-transform:uppercase}.distribution-table td.applied{color:#00b894;font-weight:600}.surplus-section{background:#e7f4e4;border-left:4px solid #00b894;padding:1rem;border-radius:0 8px 8px 0;margin-bottom:1.5rem}.surplus-amount{font-size:1.1rem;color:#00b894;margin-bottom:1rem}.surplus-action label{display:block;margin-bottom:.75rem;font-weight:600;color:#555}.bulk-payment-actions{display:flex;gap:1rem;justify-content:flex-end}@media(max-width:768px){.distribution-table{font-size:.85rem}.distribution-table th,.distribution-table td{padding:.5rem}.bulk-payment-actions{flex-direction:column}.bulk-payment-actions button{width:100%}}.qr-upload{text-align:center}.qr-upload h3{color:#2c3e50;margin-bottom:.5rem}.qr-description{color:#666;font-size:.9rem;margin-bottom:1.5rem}.qr-preview{width:200px;height:200px;margin:0 auto 1.5rem;border:2px dashed #e1e8ed;border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#f8f9fa}.qr-preview img{max-width:100%;max-height:100%;object-fit:contain}.qr-placeholder{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:#aaa}.qr-placeholder svg{font-size:3rem}.qr-placeholder span{font-size:.85rem}.chat-widget-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;align-items:flex-end}.chat-fab{width:60px;height:60px;border-radius:50%;background:linear-gradient(45deg,#667eea,#764ba2);color:#fff;border:none;box-shadow:0 4px 15px #0003;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:24px;transition:transform .3s ease;position:relative}.chat-fab:hover{transform:scale(1.1)}.chat-fab.open{transform:rotate(45deg);background:#e74c3c}.chat-badge{position:absolute;top:-5px;right:-5px;background:#ff4757;color:#fff;font-size:12px;font-weight:700;height:24px;width:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid white}.chat-box{width:350px;height:480px;background:#fff;border-radius:12px;box-shadow:0 5px 25px #00000026;display:flex;flex-direction:column;overflow:hidden;margin-bottom:16px;animation:slideIn .3s ease-out;border:1px solid #e1e8ed}.chat-header{background:#667eea;color:#fff!important;padding:12px 16px;font-weight:600;display:flex;justify-content:space-between;align-items:center;height:60px;flex-shrink:0}.header-title{color:#fff!important;font-size:16px;font-weight:700;letter-spacing:.5px;text-shadow:0 1px 2px rgba(0,0,0,.2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.back-btn,.close-btn{background:transparent;border:none;color:#fff!important;font-size:20px;cursor:pointer;display:flex;align-items:center;padding:4px;opacity:.9}.back-btn:hover,.close-btn:hover{opacity:1}.chat-user-list{flex:1;overflow-y:auto;background:#f8f9fa;display:flex;flex-direction:column}.user-list-item{display:flex;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #eee;cursor:pointer;transition:background .2s;width:100%}.user-list-item:hover{background:#f1f3f5}.user-avatar{width:40px;height:40px;border-radius:50%;background:#e1e8ed;color:#667eea;display:flex;align-items:center;justify-content:center;margin-right:12px;font-weight:700;flex-shrink:0}.user-info{flex:1;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.user-name{display:block;font-weight:600;color:#333;font-size:14px}.user-email{display:block;font-size:12px;color:#888;overflow:hidden;text-overflow:ellipsis}.list-badge{background:#ff4757;color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;margin-left:8px;flex-shrink:0}.chat-messages{flex:1;padding:16px;overflow-y:auto;background:#f8f9fa;display:flex;flex-direction:column;gap:8px}.message{max-width:80%;padding:8px 12px;border-radius:12px;font-size:14px;word-wrap:break-word;line-height:1.4;position:relative}.message.sent{align-self:flex-end;background:#667eea;color:#fff!important;border-bottom-right-radius:2px}.message.received{align-self:flex-start;background:#fff;color:#333!important;border:1px solid #e1e8ed;border-bottom-left-radius:2px}.message-status{display:flex;justify-content:flex-end;margin-top:2px;font-size:10px;color:#ffffffb3}.message.received .message-status{display:none}.message-status.read{color:#69f0ae}.double-check{display:flex}.chat-input-area{padding:12px;background:#fff;border-top:1px solid #eee;display:flex;gap:8px;align-items:center;flex-shrink:0}.chat-input-area input{flex:1;padding:10px 14px;border:1px solid #e1e8ed;border-radius:20px;outline:none;font-size:14px;color:#333;background:#fff;min-width:0}.chat-input-area input:focus{border-color:#667eea}.send-btn{background:#667eea;color:#fff;border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.message.image-message{padding:6px;max-width:250px}.message-image-container{position:relative;border-radius:8px;overflow:hidden}.message-image{width:100%;max-width:220px;border-radius:8px;cursor:pointer;display:block;transition:transform .2s}.message-image:hover{transform:scale(1.02)}.image-upload-overlay{position:absolute;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;border-radius:8px}.message-text{word-break:break-word}.message-meta{display:flex;align-items:center;justify-content:flex-end;gap:4px;margin-top:4px;font-size:10px;opacity:.7}.message-time{font-size:10px}.image-preview-container{padding:10px;background:#f8f9fa;border-top:1px solid #e1e8ed}.image-preview{width:100%;max-height:200px;object-fit:contain;border-radius:8px;margin-bottom:10px}.image-preview-actions{display:flex;gap:10px;justify-content:flex-end}.preview-cancel-btn,.preview-send-btn{display:flex;align-items:center;gap:5px;padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:13px;font-weight:500;transition:all .2s}.preview-cancel-btn{background:#e1e8ed;color:#657786}.preview-cancel-btn:hover{background:#ccd6dd}.preview-send-btn{background:#3498db;color:#fff}.preview-send-btn:hover{background:#2980b9}.preview-send-btn:disabled,.preview-cancel-btn:disabled{opacity:.6;cursor:not-allowed}.image-btn{background:none;border:none;color:#3498db;padding:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s}.image-btn:hover{background:#3498db1a}.image-btn:disabled{color:#bdc3c7;cursor:not-allowed}.image-btn svg{font-size:20px}.context-menu{position:fixed;background:#fff;border-radius:8px;box-shadow:0 4px 20px #00000026;padding:6px;z-index:9999;min-width:150px;max-width:calc(100vw - 16px);border:1px solid #f0f0f0;animation:scaleIn .15s ease-out;transform-origin:top left}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.context-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:none;background:transparent;cursor:pointer;font-size:13px;font-weight:500;color:#2d3748;text-align:left;border-radius:6px;transition:all .2s}.context-menu button:hover{background:#f7fafc;color:#3498db}.context-menu button.delete-option{color:#e53e3e}.context-menu button.delete-option:hover{background:#fff5f5;color:#c53030}.context-menu button svg{font-size:15px;opacity:.8}.fullscreen-image-overlay{position:fixed;inset:0;background:#000000e6;z-index:10001;display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .2s ease}.fullscreen-image{max-width:90%;max-height:85vh;object-fit:contain;border-radius:8px}.fullscreen-close-btn{position:absolute;top:20px;right:20px;background:#ffffff1a;border:none;color:#fff;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.fullscreen-close-btn:hover{background:#fff3}.fullscreen-close-btn svg{font-size:24px}.fullscreen-download-btn{position:absolute;bottom:30px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:12px 24px;background:#3498db;color:#fff;border-radius:8px;text-decoration:none;font-size:14px;font-weight:500;transition:background .2s}.fullscreen-download-btn:hover{background:#2980b9}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:480px){.message.image-message{max-width:200px}.message-image{max-width:180px}.fullscreen-image{max-width:100%}.context-menu{min-width:140px}}.empty-list{text-align:center;padding:40px 20px;color:#888;display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%}@media(max-width:480px){.chat-box{width:calc(100vw - 32px);height:60vh}}.dashboard-content{max-width:1200px;margin:0 auto;padding:20px}.dashboard-section{background:#fffffff2;border-radius:12px;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 8px 25px #0000001a;animation:fadeInUp .5s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.dashboard-section h2{color:#2c3e50;font-size:1.5rem;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:3px solid #667eea}.owner-code-banner{background:linear-gradient(45deg,#e3f2fd,#e8eaf6);border:2px solid #667eea;border-radius:12px;padding:1.25rem;margin-bottom:1.5rem;text-align:center}.owner-code-banner code{display:inline-block;font-size:1.5rem;font-weight:700;color:#667eea;background:#fff;padding:.5rem 1rem;border-radius:8px;margin:.5rem;letter-spacing:2px}.owner-code-banner small{display:block;color:#666;margin-top:.5rem}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.summary-card{background:#fff;border-radius:12px;padding:1.5rem;text-align:center;box-shadow:0 4px 15px #0000001a}.summary-card h3{color:#666;font-size:.9rem;font-weight:500;margin-bottom:.5rem}.unpaid-entries{margin-top:1.5rem;padding-top:1.5rem;border-top:2px dashed #e1e8ed}.unpaid-entries h3{color:#e74c3c;margin-bottom:1rem}.pending-list{display:flex;flex-direction:column;gap:.75rem}.pending-item{display:flex;justify-content:space-between;align-items:center;padding:1rem;background:#ffeaa7;border-radius:8px;border-left:4px solid #fdcb6e}.pending-item span{font-weight:500;color:#2d3436}.payment-modal{max-width:400px;text-align:center}.payment-modal h3{margin-bottom:1rem;color:#2c3e50}.payment-amount{font-size:1.5rem;font-weight:700;color:#667eea;margin-bottom:.5rem}.payment-period{color:#666;margin-bottom:1.5rem}.qr-display{margin:1.5rem 0}.qr-display p{color:#666;margin-bottom:1rem}.qr-display img{max-width:250px;border:2px solid #e1e8ed;border-radius:12px;padding:10px;background:#fff}.no-qr{color:#e74c3c;font-style:italic;padding:2rem;background:#fee;border-radius:8px}.payment-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}@media(max-width:768px){.dashboard-content{padding:10px}.dashboard-section{padding:1rem}.pending-item{flex-direction:column;gap:.75rem;text-align:center}}.dashboard{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.dashboard-content{max-width:1200px;margin:0 auto;padding:24px}.dashboard-section{background:#fffffffa;border-radius:16px;padding:24px;margin-bottom:24px;box-shadow:0 8px 25px #0000001a;animation:fadeInUp .5s ease-out}.dashboard-section h2{color:#2c3e50;font-size:1.5rem;margin-bottom:16px;padding-bottom:12px;border-bottom:3px solid #667eea}.tenant-management-controls{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end}.btn-reset-password{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;background:#fff;color:#e74c3c;border:2px solid #e74c3c;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;height:48px}.btn-reset-password:hover{background:#e74c3c;color:#fff}.owner-code-banner{background:linear-gradient(45deg,#e3f2fd,#e8eaf6);border:2px solid #667eea;border-radius:12px;padding:20px;margin-bottom:24px;text-align:center}.owner-code-banner code{display:inline-block;font-size:1.5rem;font-weight:700;color:#667eea;background:#fff;padding:8px 16px;border-radius:8px;margin:8px;letter-spacing:3px}.summary-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.summary-card{background:#fff;border-radius:12px;padding:24px;text-align:center;box-shadow:0 4px 15px #0000001a}.summary-card h3{color:#666;font-size:14px;font-weight:500;margin-bottom:8px}.summary-card .amount{font-size:1.75rem;font-weight:700}.summary-card .amount.paid{color:#00b894}.summary-card .amount.due{color:#e74c3c}@media(max-width:768px){.tenant-management-controls{flex-direction:column;align-items:stretch}.btn-reset-password{width:100%;justify-content:center}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;color:#333;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:10px}::-webkit-scrollbar-thumb{background:linear-gradient(45deg,#667eea,#764ba2);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(45deg,#5a6fd8,#6a4190)}