:root{--primary-color: #4CAF50;--primary-dark: #388E3C;--primary-light: #C8E6C9;--secondary-color: #2196F3;--error-color: #f44336;--warning-color: #ff9800;--success-color: #4CAF50;--text-primary: #212121;--text-secondary: #757575;--text-tertiary: #9E9E9E;--divider-color: #BDBDBD;--background: #FAFAFA;--surface: #FFFFFF;--surface-hover: #F5F5F5;--border-color: #E0E0E0;--border-radius: 8px;--shadow: 0 2px 4px rgba(0,0,0,.1);--shadow-lg: 0 4px 12px rgba(0,0,0,.15);--transition: all .3s ease}body.dark-mode{--primary-color: #66BB6A;--primary-dark: #4CAF50;--primary-light: #1B5E20;--secondary-color: #42A5F5;--error-color: #EF5350;--warning-color: #FFA726;--success-color: #66BB6A;--text-primary: #E0E0E0;--text-secondary: #B0B0B0;--text-tertiary: #808080;--divider-color: #424242;--background: #121212;--surface: #1E1E1E;--surface-hover: #2A2A2A;--border-color: #333333;--shadow: 0 2px 4px rgba(0,0,0,.3);--shadow-lg: 0 4px 12px rgba(0,0,0,.5)}*{transition:background-color .3s ease,color .3s ease,border-color .3s ease}body{background-color:var(--background);color:var(--text-primary)}.container{max-width:1200px;margin:0 auto;padding:16px 16px 100px}.card{background:var(--surface);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px}.btn{padding:10px 20px;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover{background-color:#1976d2}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background-color:var(--primary-light);color:var(--text-primary)}.btn:disabled{opacity:.5;cursor:not-allowed}.input,.select,.textarea{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:14px;font-family:inherit;background-color:var(--surface);color:var(--text-primary)}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary-color)}.input::placeholder,.textarea::placeholder{color:var(--text-tertiary)}.label{display:block;margin-bottom:6px;font-size:14px;font-weight:500;color:var(--text-primary)}.form-group{margin-bottom:16px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.loading{display:flex;justify-content:center;align-items:center;padding:40px}.spinner{border:3px solid var(--primary-light);border-top:3px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-message{color:var(--error-color);font-size:14px;margin-top:8px}.success-message{color:var(--primary-color);font-size:14px;margin-top:8px}.nav{background:var(--surface);box-shadow:var(--shadow);position:sticky;top:0;z-index:100}.nav-content{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;max-width:1200px;margin:0 auto}.nav-title{font-size:20px;font-weight:600;color:var(--primary-color)}.nav-left{display:flex;align-items:center;gap:16px}.property-selector{padding:6px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius);background-color:var(--surface);color:var(--text-primary);font-size:14px;cursor:pointer;min-width:150px}.property-selector:focus{outline:none;border-color:var(--primary-color)}.property-selector option{background-color:var(--surface);color:var(--text-primary)}.nav-links{display:flex;gap:8px}.nav-link{padding:8px 12px;text-decoration:none;color:var(--text-secondary);border-radius:var(--border-radius);transition:all .2s}.nav-link:hover{background-color:var(--primary-light);color:var(--primary-color)}.nav-link.active{background-color:var(--primary-color);color:#fff}.theme-toggle{background:transparent;border:none;font-size:24px;cursor:pointer;padding:8px;border-radius:var(--border-radius);transition:var(--transition);display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background-color:var(--surface-hover);transform:scale(1.1)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);box-shadow:0 -2px 8px #0000001a;display:flex;justify-content:space-around;padding:8px 0;z-index:100}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;padding:8px;text-decoration:none;color:var(--text-secondary);font-size:12px;transition:color .2s}.bottom-nav-item.active{color:var(--primary-color)}.bottom-nav-icon{font-size:24px;margin-bottom:4px}.fab{position:fixed;bottom:80px;right:16px;width:56px;height:56px;border-radius:50%;background-color:var(--primary-color);color:#fff;border:none;box-shadow:var(--shadow-lg);font-size:24px;cursor:pointer;transition:all .3s;z-index:99}.fab:hover{background-color:var(--primary-dark);transform:scale(1.1)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}body.dark-mode .modal-overlay{background:#000c}.modal{background:var(--surface);border-radius:var(--border-radius);padding:24px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);border:1px solid var(--border-color)}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}code{background-color:var(--surface-hover);color:var(--primary-color);padding:2px 6px;border-radius:4px;font-size:.9em;font-family:Courier New,monospace}@media (max-width: 768px){.grid-2,.grid-3{grid-template-columns:1fr}}.property-card{border:1px solid var(--border-color);border-radius:var(--border-radius);margin-bottom:12px;overflow:hidden}.property-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;cursor:pointer;background:var(--surface);transition:background-color .2s}.property-header:hover{background:var(--surface-hover)}.property-details{padding:16px;border-top:1px solid var(--border-color);background:var(--background)}.policy-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid var(--border-color);border-radius:var(--border-radius);margin-bottom:8px;background:var(--surface)}.btn-sm{padding:6px 12px;font-size:12px}.btn-danger{color:var(--error-color);border-color:var(--error-color)}.btn-danger:hover{background-color:var(--error-color);color:#fff}.nav-right{display:flex;align-items:center;gap:12px}.user-info{font-size:14px;color:var(--text-secondary)}.logout-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);padding:6px 12px;border-radius:var(--border-radius);font-size:14px;cursor:pointer;transition:var(--transition)}.logout-btn:hover{background-color:var(--error-color);border-color:var(--error-color);color:#fff}:root{--primary: var(--primary-color);--bg-primary: var(--surface);--bg-secondary: var(--background);--danger: var(--error-color);--danger-bg: #fef2f2}body.dark-mode{--danger-bg: #2d1f1f}