:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--radius: 8px}*{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;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.6}nav{background:var(--bg-primary);box-shadow:var(--shadow-md);position:sticky;top:0;z-index:1000;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;gap:1.5rem}nav a{color:var(--text-primary);text-decoration:none;font-weight:600;padding:.625rem 1.25rem;border-radius:var(--radius);transition:all .2s;font-size:.9375rem}nav a:hover{background:var(--bg-secondary);color:var(--primary-color);transform:translateY(-1px)}nav a:first-child{font-size:1.25rem;color:var(--primary-color);font-weight:700;margin-right:auto}nav a:first-child:hover{background:transparent;opacity:.8;transform:none}nav button{color:#fff;background:var(--danger-color);border:none;padding:.625rem 1.25rem;border-radius:var(--radius);font-weight:600;font-size:.9375rem;cursor:pointer;transition:all .2s}nav button:hover{background:#dc2626;transform:translateY(-1px);box-shadow:var(--shadow-md)}@media(max-width:768px){nav{padding:1rem;flex-wrap:wrap}nav a,nav button{font-size:.875rem;padding:.5rem 1rem}nav a:first-child{font-size:1.125rem}}@media(max-width:480px){nav{gap:.75rem}nav a,nav button{padding:.5rem .75rem;font-size:.8125rem}}.properties-container{max-width:1400px;margin:0 auto;padding:2rem}.filters-section{background:var(--bg-primary);padding:1.5rem;border-radius:var(--radius);box-shadow:var(--shadow-sm);margin-bottom:2rem;display:flex;gap:1rem;flex-wrap:wrap;align-items:flex-end}.filter-group{display:flex;flex-direction:column;gap:.5rem;flex:1;min-width:200px}.filter-group label{font-size:.875rem;font-weight:600;color:var(--text-primary)}.filter-group select,.filter-group input{padding:.625rem;border:1px solid var(--border-color);border-radius:var(--radius);font-size:.875rem;transition:all .2s;background:var(--bg-primary)}.filter-group select:focus,.filter-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.btn-filter{padding:.625rem 1.5rem;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius);font-weight:600;cursor:pointer;transition:all .2s;align-self:flex-end}.btn-filter:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.empty-state{text-align:center;padding:4rem 2rem;background:var(--bg-primary);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.empty-state-icon{font-size:4rem;margin-bottom:1rem}.empty-state h2{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-primary)}.empty-state p{color:var(--text-secondary)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-state{text-align:center;padding:4rem 2rem;background:var(--bg-primary);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.loading-state p{font-size:1.1rem;color:var(--text-primary);display:flex;justify-content:center;align-items:center;gap:.75rem}.loading-state p:before{content:"";display:inline-block;width:24px;height:24px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite}.error-state{text-align:center;padding:1.5rem;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);margin-bottom:1.5rem}.error-state p{color:var(--danger-color);font-weight:500}.properties-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.property-card{background:var(--bg-primary);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);transition:all .3s}.property-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.property-image{position:relative;width:100%;height:220px;overflow:hidden}.property-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.property-card:hover .property-image img{transform:scale(1.05)}.badge{position:absolute;top:1rem;right:1rem;padding:.375rem .75rem;border-radius:4px;font-size:.75rem;font-weight:700;color:#fff;text-transform:uppercase}.badge.rent{background:var(--success-color)}.badge.sale{background:var(--primary-color)}.property-content{padding:1.25rem}.property-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.property-location{font-size:.875rem;color:var(--text-secondary);margin-bottom:1rem;display:flex;align-items:center;gap:.25rem}.property-location:before{content:"📍"}.property-price{font-size:1.5rem;font-weight:700;color:var(--primary-color);margin-bottom:.75rem}.property-owner{font-size:.875rem;color:var(--text-secondary);margin-bottom:1rem}.property-contact{display:flex;gap:.75rem;margin-bottom:1rem}.property-contact .btn{flex:1;padding:.625rem;border-radius:var(--radius);text-decoration:none;text-align:center;font-size:.875rem;font-weight:600;transition:all .2s}.btn.call{background:var(--success-color);color:#fff}.btn.call:hover{background:#059669;transform:translateY(-1px)}.btn.whatsapp{background:#25d366;color:#fff}.btn.whatsapp:hover{background:#20ba5a;transform:translateY(-1px)}.property-actions{display:flex;gap:.75rem;padding-top:1rem;border-top:1px solid var(--border-color)}.property-actions .btnEdit,.property-actions .btn.delete{flex:1;padding:.625rem;border-radius:var(--radius);text-align:center;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;border:none}.property-actions .btnEdit{background:var(--primary-color);color:#fff;text-decoration:none;display:inline-block}.property-actions .btnEdit:hover{background:var(--primary-hover)}.property-actions .btn.delete{background:var(--danger-color);color:#fff}.property-actions .btn.delete:hover{background:#dc2626}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-form-wrapper{background:var(--bg-primary);padding:2.5rem;border-radius:12px;box-shadow:0 20px 25px -5px #0000001a;width:100%;max-width:420px}.auth-form-title{font-size:1.875rem;font-weight:700;text-align:center;margin-bottom:2rem;color:var(--text-primary)}.auth-form-wrapper form{display:flex;flex-direction:column;gap:1rem}.auth-form-wrapper input,.auth-form-wrapper select{padding:.875rem;border:1px solid var(--border-color);border-radius:var(--radius);font-size:1rem;transition:all .2s}.auth-form-wrapper input:focus,.auth-form-wrapper select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.auth-form-wrapper button[type=submit]{padding:.875rem;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;margin-top:.5rem}.auth-form-wrapper button[type=submit]:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.property-form-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:var(--bg-secondary)}.property-form-wrapper{background:var(--bg-primary);padding:2.5rem;border-radius:12px;box-shadow:var(--shadow-lg);width:100%;max-width:600px}.property-form-title{font-size:1.875rem;font-weight:700;text-align:center;margin-bottom:2rem;color:var(--text-primary)}.property-form{display:flex;flex-direction:column;gap:1.25rem}.property-form input,.property-form select,.property-form textarea{padding:.875rem;border:1px solid var(--border-color);border-radius:var(--radius);font-size:1rem;font-family:inherit;transition:all .2s}.property-form textarea{min-height:120px;resize:vertical}.property-form input:focus,.property-form select:focus,.property-form textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.property-form input[type=file]{padding:.5rem;cursor:pointer}.property-form button[type=submit]{padding:1rem;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;margin-top:.5rem}.property-form button[type=submit]:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}@media(max-width:768px){.properties-container{padding:1rem}.filters-section{flex-direction:column;align-items:stretch}.filter-group{min-width:100%}.btn-filter{align-self:stretch}.properties-grid{grid-template-columns:1fr}.property-contact{flex-direction:column}.auth-form-wrapper,.property-form-wrapper{padding:1.5rem}.auth-form-title,.property-form-title{font-size:1.5rem}}@media(max-width:480px){.property-actions{flex-direction:column}}.pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:30px}.pagination button{padding:8px 16px;border-radius:6px;border:none;background:var(--primary-color);color:#fff;cursor:pointer}.pagination button:disabled{background:#cbd5e1;cursor:not-allowed}