:root{--color-primary: #3b82f6;--color-success: #059669;--color-error: #ef4444;--color-text-dark: #333;--color-text-light: #fff;--color-bg-light: #f8f8f8;--color-border: #e2e8f0}html,body{margin:0;padding:0;height:100%;font-family:Inter,sans-serif;background-color:var(--color-bg-light)}.app-container{display:flex;flex-direction:column;height:100vh;overflow:hidden}.main-content{flex-grow:1;position:relative}.navbar{flex-shrink:0;background-color:#fff;padding:1rem 1.5rem;box-shadow:0 2px 4px #0000000d;z-index:50}.navbar-container{max-width:1600px;width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.navbar-logo{display:flex;align-items:center;text-decoration:none;color:inherit;gap:.75rem;font-weight:600;font-size:1.25rem}.navbar-logo img{height:40px}.navbar-link{text-decoration:none;color:var(--color-primary);font-weight:500}.footer{text-align:center;padding:.75rem;background-color:#f8f8f8;border-top:1px solid var(--color-border);flex-shrink:0}.footer p{margin:0;font-size:.85rem;color:#777}.map-container{height:100%;width:100%;position:absolute}#map{width:100%;height:100%}.layer-controls{position:absolute;background:#ffffffe6;padding:10px 15px;border-radius:8px;box-shadow:0 2px 8px #00000026;z-index:10;font-size:.9rem;display:flex;flex-direction:column;transition:all .3s ease-in-out;backdrop-filter:blur(4px)}#layer-buttons-container{overflow-y:auto;margin-right:-10px;padding-right:10px}.layer-group details{border-bottom:1px solid var(--color-border)}.layer-group details:last-child{border-bottom:none}.layer-group summary{font-weight:600;padding:10px 0;cursor:pointer;list-style:none;user-select:none}.layer-group summary::-webkit-details-marker{display:none}.layer-group summary:before{content:"► ";font-size:.7em;margin-right:5px;display:inline-block;transition:transform .2s}.layer-group details[open]>summary:before{transform:rotate(90deg)}.layer-group .button-list{padding:5px 0 10px 10px}.layer-button{position:relative;display:block;width:100%;padding:8px 12px;margin-bottom:5px;border:1px solid var(--color-border);border-radius:6px;cursor:pointer;text-align:left;background-color:#f8f9fa;color:var(--color-text-dark);font-family:Inter,sans-serif;font-size:.9rem;transition:background-color .15s ease,border-color .15s ease}.layer-button:hover{background-color:#e9ecef}.layer-button.active{background-color:var(--color-primary);color:var(--color-text-light);border-color:var(--color-primary);font-weight:600}.legend{margin-top:15px;padding-top:10px;border-top:1px solid var(--color-border);flex-shrink:0}.legend-title{font-weight:700;margin-bottom:5px;font-size:1rem}.legend-item{display:flex;align-items:center;margin-bottom:4px}.legend-color{width:20px;height:20px;border:1px solid #999;margin-right:8px;flex-shrink:0}.legend-label{font-size:.85rem}.layer-controls{top:20px;left:20px;max-width:320px;max-height:calc(100vh - 140px)}@media (max-width: 768px){.layer-controls{inset:auto 0 0;border-radius:16px 16px 0 0;max-height:30vh;padding:15px}.layer-controls .legend{display:none}}.fab{position:fixed;top:90px;right:20px;width:50px;height:50px;background-color:var(--color-primary);color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0000004d;cursor:pointer;z-index:1000;transition:transform .2s ease}.fab:hover{transform:scale(1.05)}.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;z-index:2000;align-items:center;justify-content:center;padding:1rem;box-sizing:border-box}.modal-content{background:#fff;padding:1.5rem 2rem;border-radius:8px;width:100%;max-width:550px;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 5px 15px #0000004d}.file-drop-zone{border:2px dashed var(--color-border);border-radius:8px;padding:1.5rem;text-align:center;cursor:pointer}.upload-button{width:100%;padding:.8rem 1.2rem;border-radius:8px;font-weight:600;background-color:var(--color-primary);color:var(--color-text-light);border:none;cursor:pointer}.form-group>label{display:block;margin-bottom:.5rem;font-weight:600}.form-group>input,.form-group>textarea,.form-group>select{width:100%;padding:.75rem;border:1px solid var(--color-border);border-radius:4px;box-sizing:border-box}.form-group{margin-bottom:1rem}.file-name{font-size:.8rem;color:#666;margin-top:8px;text-align:center}