:root{--primary: #1a73e8;--primary-hover: #1967d2;--on-primary: #ffffff;--primary-container: #e8f0fe;--on-primary-container: #1967d2;--green: #34a853;--red: #ea4335;--surface: #ffffff;--surface-variant: #f1f3f4;--outline: #dadce0;--text: #202124;--text-secondary: #5f6368;--hover-overlay: rgba(60, 64, 67, .08);--elev-1: 0 1px 2px rgba(60, 64, 67, .3), 0 1px 3px 1px rgba(60, 64, 67, .15);--elev-2: 0 1px 3px rgba(60, 64, 67, .3), 0 4px 8px 3px rgba(60, 64, 67, .15);color-scheme:light}:root[data-theme=dark]{--primary: #8ab4f8;--primary-hover: #aecbfa;--on-primary: #202124;--primary-container: #28384a;--on-primary-container: #8ab4f8;--green: #81c995;--red: #f28b82;--surface: #202124;--surface-variant: #303134;--outline: #3c4043;--text: #e8eaed;--text-secondary: #9aa0a6;--hover-overlay: rgba(232, 234, 237, .08);--elev-1: 0 1px 2px rgba(0, 0, 0, .6), 0 1px 3px 1px rgba(0, 0, 0, .4);--elev-2: 0 1px 3px rgba(0, 0, 0, .6), 0 4px 8px 3px rgba(0, 0, 0, .4);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased}#map{position:absolute;top:0;right:0;bottom:0;left:0}#map.drag{outline:3px dashed var(--primary);outline-offset:-8px}.map-error{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;text-align:center;background:var(--surface-variant);color:var(--red);font-weight:500}.hide{display:none!important}.side-panel{position:absolute;top:16px;bottom:16px;width:328px;background:var(--surface);border-radius:16px;box-shadow:var(--elev-2);overflow-y:auto;z-index:5}.side-panel--left{left:16px}.side-panel--right{right:16px}.side-panel--right>.subtitle{padding:16px 16px 0}.panel-section{padding:16px}.panel-section+.panel-section{border-top:1px solid var(--surface-variant)}.brand{display:flex;align-items:center;gap:12px}.logo{width:28px;height:36px;object-fit:contain}.title{margin:0;font-size:18px;font-weight:500;letter-spacing:.1px}.description{margin:8px 0 0;font-size:13px;color:var(--text-secondary);line-height:1.4}.subtitle{margin:0 0 12px;font-size:13px;font-weight:500;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary)}.btn{border:none;background:transparent;color:var(--primary);border-radius:8px;padding:8px 14px;font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;transition:background-color .15s ease,box-shadow .15s ease}.btn:hover{background:var(--hover-overlay)}.btn--block{width:100%}.btn--filled{background:var(--primary);color:var(--on-primary);box-shadow:var(--elev-1)}.btn--filled:hover{background:var(--primary-hover);box-shadow:var(--elev-2)}.btn--accent{background:var(--green);color:#fff}.btn--accent:hover{background:#2c8f46}.btn--danger{color:var(--red)}.btn--danger:hover{background:var(--hover-overlay)}.icon-btn{margin-left:auto;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;width:36px;height:36px;padding:0;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}.icon-btn:hover{background:var(--hover-overlay);color:var(--text)}.seg{display:flex;border:1px solid var(--outline);border-radius:20px;overflow:hidden}.seg .btn{flex:1;border-radius:0;color:var(--text-secondary);padding:8px 6px}.seg .btn+.btn{border-left:1px solid var(--outline)}.seg .btn:hover{background:var(--surface-variant)}.seg .btn.active{background:var(--primary-container);color:var(--on-primary-container)}.draw-toolbar{margin-top:12px}.draw-toolbar .btn--accent.active,.draw-toolbar .btn--accent{color:#fff}#search_container gmp-place-autocomplete,#search_container>*{width:100%}:root[data-theme=dark] #search_container,:root[data-theme=dark] #search_container gmp-place-autocomplete{color-scheme:dark}.input,.textarea{width:100%;padding:10px 12px;border:1px solid var(--outline);border-radius:8px;font-size:14px;font-family:inherit;margin-bottom:12px;color:var(--text)}.input:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.textarea{min-height:64px;resize:vertical}.fields{padding:0 16px}.fields label{display:block;font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.measure{font-size:12px;color:var(--primary);font-weight:500;margin-bottom:8px}.dnd-hint{border:1px dashed var(--outline);border-radius:12px;padding:16px;font-size:13px;text-align:center;color:var(--text-secondary);line-height:1.4}.layer-list{list-style:none;margin:12px 0 0;padding:0}.layer-list li{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;margin-bottom:6px;font-size:14px;background:var(--surface-variant);border-radius:8px}.remove-btn{border:none;background:none;color:var(--text-secondary);cursor:pointer;font-weight:500;border-radius:50%;width:24px;height:24px}.remove-btn:hover{background:var(--outline);color:var(--red)}.banner{position:absolute;top:16px;left:50%;transform:translate(-50%);background:var(--primary-container);color:var(--on-primary-container);padding:8px 20px;border-radius:20px;font-size:14px;font-weight:500;box-shadow:var(--elev-1);z-index:6}.save-area{display:flex;gap:8px;align-items:center;padding:16px}.spinner{width:18px;height:18px;border:2px solid var(--surface-variant);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}ul.info{margin:0;padding-left:18px;font-size:14px;line-height:1.5}.demo-note{margin:8px 0 0;padding:8px 10px;border-radius:8px;background:var(--primary-container);color:var(--on-primary-container);font-size:13px}.toasts{position:absolute;bottom:24px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:20;pointer-events:none}.toast{padding:10px 16px;border-radius:8px;background:var(--text);color:var(--surface);box-shadow:var(--elev-2);font-size:14px;max-width:min(480px,calc(100vw - 32px))}.toast--error{background:var(--red);color:#fff}.auth-status{margin:0 0 8px;color:var(--text-secondary);font-size:13px;overflow-wrap:anywhere}.btn:disabled{opacity:.5;cursor:not-allowed}