:root {
  --bg:#0f1117; --bg2:#181c27; --bg3:#1e2333;
  --border:#2d3348; --primary:#6366f1; --primary-h:#818cf8;
  --danger:#ef4444; --success:#22c55e;
  --text:#e2e8f0; --text-dim:#94a3b8;
  --radius:8px; --shadow:0 4px 24px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}
a{color:var(--primary-h);text-decoration:none}
input,textarea,select{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);padding:.42rem .7rem;width:100%;font-size:13px;transition:border-color .2s}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary)}
input[type=color]{padding:.2rem;height:34px;cursor:pointer}
input[type=range]{padding:0;height:20px;background:transparent;cursor:pointer}
input[type=checkbox]{width:auto}
textarea{resize:vertical}
label{display:block;margin-bottom:.28rem;color:var(--text-dim);font-size:12px;font-weight:500}
.form-group{margin-bottom:.8rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.form-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.6rem}
.hint{color:var(--text-dim);font-size:12px;margin-bottom:.55rem}
.hidden{display:none!important}
.error-msg{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5;border-radius:var(--radius);padding:.42rem .7rem;font-size:13px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.32rem;padding:.42rem .85rem;border-radius:var(--radius);border:none;cursor:pointer;font-size:13px;font-weight:500;transition:all .15s;white-space:nowrap}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover:not(:disabled){background:var(--primary-h)}
.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg3);color:var(--text)}
.btn-danger{background:rgba(239,68,68,.12);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}
.btn-danger:hover{background:rgba(239,68,68,.25)}
.btn-success{background:rgba(34,197,94,.12);color:#86efac;border:1px solid rgba(34,197,94,.3)}
.btn-success:hover{background:rgba(34,197,94,.22)}
.btn-full{width:100%;justify-content:center}
.btn-sm{padding:.28rem .6rem;font-size:12px}
.btn-icon{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:15px;padding:.18rem .28rem;border-radius:4px;transition:color .15s;line-height:1}
.btn-icon:hover{color:var(--text)}

/* Auth page */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 60% 30%,rgba(99,102,241,.15) 0%,transparent 70%),var(--bg)}
.auth-container{width:100%;max-width:400px;padding:1rem}
.auth-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:2.5rem;box-shadow:var(--shadow)}
.auth-logo{display:flex;align-items:center;gap:.65rem;margin-bottom:.4rem}
.auth-logo svg{width:32px;height:32px;color:var(--primary)}
.auth-logo h1{font-size:1.45rem;font-weight:700}
.auth-subtitle{color:var(--text-dim);margin-bottom:1.8rem;font-size:13px}

/* Navbar */
.app-page{min-height:100vh}
.navbar{display:flex;align-items:center;justify-content:space-between;background:var(--bg2);border-bottom:1px solid var(--border);padding:.6rem 1.35rem;position:sticky;top:0;z-index:100}
.navbar-brand{display:flex;align-items:center;gap:.5rem;font-size:1.05rem;font-weight:700}
.navbar-brand svg{width:25px;height:25px;color:var(--primary)}
.version-badge{background:var(--bg3);border:1px solid var(--border);border-radius:4px;padding:.08rem .45rem;font-size:11px;color:var(--text-dim);font-family:monospace}
.navbar-actions{display:flex;align-items:center;gap:.55rem}
.user-badge{background:var(--bg3);border:1px solid var(--border);border-radius:6px;padding:.18rem .6rem;font-size:13px;color:var(--text-dim)}

/* Dashboard */
.dashboard-container{max-width:1200px;margin:0 auto;padding:2rem 1.35rem}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.3rem}
.section-header h2{font-size:1.15rem;font-weight:600}
.maps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:1rem}
.map-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .2s,transform .15s}
.map-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.map-card-img{height:125px;background:var(--bg3);display:flex;align-items:center;justify-content:center;overflow:hidden}
.map-card-img img{width:100%;height:100%;object-fit:cover}
.map-card-img .no-img{color:var(--text-dim);font-size:2.4rem}
.map-card-body{padding:.85rem}
.map-card-title{font-weight:600;font-size:.92rem;margin-bottom:.18rem}
.map-card-desc{color:var(--text-dim);font-size:12px;margin-bottom:.75rem;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.map-card-actions{display:flex;gap:.38rem;flex-wrap:wrap}
.loading-state,.empty-state{color:var(--text-dim);text-align:center;padding:3rem;grid-column:1/-1}
.empty-state .empty-icon{font-size:3.2rem;margin-bottom:.75rem}

/* Modals */
.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.65)}
.modal-dialog{position:relative;background:var(--bg2);border:1px solid var(--border);border-radius:16px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}
.modal-lg{max-width:660px}
.modal-xl{max-width:780px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.05rem 1.35rem;border-bottom:1px solid var(--border)}
.modal-header h3,.modal-header h4{font-size:.98rem;font-weight:600}
.modal-close{background:none;border:none;color:var(--text-dim);cursor:pointer;font-size:18px;padding:.18rem;border-radius:4px}
.modal-close:hover{color:var(--text)}
.modal-body{padding:1.25rem}
.modal-footer{display:flex;justify-content:flex-end;gap:.6rem;padding-top:.8rem}
.settings-tabs{display:flex;border-bottom:1px solid var(--border);padding:0 1.35rem}
.tab-btn{background:none;border:none;color:var(--text-dim);cursor:pointer;padding:.6rem .85rem;font-size:13px;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-content{display:none;padding:1.25rem}
.tab-content.active{display:block}
.image-preview{margin-bottom:.85rem;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
.image-preview img{width:100%;max-height:180px;object-fit:cover}
.file-upload-btn{display:inline-flex;align-items:center;gap:.42rem;background:var(--bg3);border:2px dashed var(--border);color:var(--text-dim);padding:.6rem 1rem;border-radius:var(--radius);cursor:pointer;transition:all .2s}
.file-upload-btn:hover{border-color:var(--primary);color:var(--text)}
.file-upload-btn input{display:none}
.admins-list,.users-list{display:flex;flex-direction:column;gap:.38rem;margin-bottom:.75rem;max-height:200px;overflow-y:auto}
.admin-row,.user-row{display:flex;align-items:center;justify-content:space-between;background:var(--bg3);border-radius:var(--radius);padding:.42rem .7rem}
.add-admin-form{display:flex;gap:.6rem}
.add-admin-form select{flex:1}
.share-url-box{display:flex;gap:.6rem;margin-bottom:.5rem}
.share-url-box input{flex:1;font-family:monospace;font-size:12px}
.share-section{margin-bottom:1.1rem;border:1px solid var(--border);border-radius:var(--radius);padding:.75rem}
.share-section h5{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.55rem}
.upload-progress{margin-top:.85rem}
.progress-bar{background:var(--bg3);border-radius:99px;height:5px;overflow:hidden}
.progress-fill{height:100%;background:var(--primary);transition:width .3s}

/* ── Map page ── */
.map-page{display:flex;flex-direction:column;height:100vh;overflow:hidden}
.map-topbar{display:flex;align-items:center;justify-content:space-between;background:var(--bg2);border-bottom:1px solid var(--border);padding:.48rem .85rem;flex-shrink:0;z-index:500}
.topbar-left{display:flex;align-items:center;gap:.6rem}
.topbar-left h2{font-size:.92rem;font-weight:600}
.topbar-right{display:flex;gap:.42rem;align-items:center}
#map{flex:1;z-index:1}

/* Leaflet */
.leaflet-container{background:#0d1117!important}
.leaflet-popup-content-wrapper{background:var(--bg2);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);box-shadow:var(--shadow)}
.leaflet-popup-tip{background:var(--bg2)}
.popup-content h4{font-size:.88rem;font-weight:600;margin-bottom:.32rem}
.popup-content p{color:var(--text-dim);font-size:12px;margin-bottom:.45rem;white-space:pre-wrap}
.popup-links{display:flex;flex-direction:column;gap:.22rem;margin-top:.38rem}
.popup-links a{display:inline-flex;align-items:center;gap:.28rem;color:var(--primary-h);font-size:12px}
.popup-links a::before{content:'🔗'}
.popup-admin-actions{display:flex;gap:.32rem;margin-top:.5rem;border-top:1px solid var(--border);padding-top:.45rem;flex-wrap:wrap}

/* Sidebar */
.map-sidebar{position:absolute;top:42px;left:0;bottom:0;width:265px;background:var(--bg2);border-right:1px solid var(--border);z-index:400;transform:translateX(-100%);transition:transform .25s;display:flex;flex-direction:column;overflow:hidden}
.map-sidebar.open{transform:translateX(0)}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem .95rem;border-bottom:1px solid var(--border)}
.sidebar-header h3{font-weight:600;font-size:.88rem}
.group-list{flex:1;overflow-y:auto;padding:.45rem}
.group-item{background:var(--bg3);border-radius:var(--radius);margin-bottom:.38rem;overflow:hidden}
.group-item-header{display:flex;align-items:center;gap:.48rem;padding:.5rem .65rem;cursor:pointer;user-select:none}
.group-item-header:hover{background:rgba(255,255,255,.04)}
.group-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.group-name{font-weight:500;flex:1;font-size:12px}
.group-arrow{font-size:10px;color:var(--text-dim)}
.group-layers{padding:.2rem .65rem .45rem 1.65rem;display:flex;flex-direction:column;gap:.18rem}
.layer-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-dim);padding:.1rem 0}
.group-link-item{font-size:11px;color:var(--primary-h);padding:.1rem 0;display:block}

/* Toggle switch */
.toggle{width:32px;height:17px;background:var(--border);border-radius:99px;border:none;cursor:pointer;position:relative;transition:background .18s;flex-shrink:0}
.toggle.on{background:var(--primary)}
.toggle::after{content:'';position:absolute;top:2px;left:2px;width:13px;height:13px;background:#fff;border-radius:50%;transition:left .18s}
.toggle.on::after{left:17px}

/* Editor panel */
.editor-panel{position:absolute;top:42px;right:0;width:305px;bottom:0;background:var(--bg2);border-left:1px solid var(--border);z-index:400;display:flex;flex-direction:column;overflow:hidden}
.editor-header{display:flex;align-items:center;justify-content:space-between;padding:.6rem .85rem;border-bottom:1px solid var(--border);font-weight:600;font-size:.88rem}
.editor-tabs{display:flex;border-bottom:1px solid var(--border);overflow-x:auto}
.etab{background:none;border:none;color:var(--text-dim);cursor:pointer;padding:.48rem .6rem;font-size:11px;border-bottom:2px solid transparent;white-space:nowrap;transition:all .15s}
.etab.active{color:var(--primary);border-bottom-color:var(--primary)}
.editor-content{flex:1;overflow-y:auto;padding:.55rem}
.editor-section h4{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.38rem}
.editor-item{background:var(--bg3);border-radius:6px;padding:.38rem .6rem;margin-bottom:.28rem;display:flex;align-items:center;gap:.42rem;cursor:pointer;transition:background .15s}
.editor-item:hover{background:var(--border)}
.editor-item-name{flex:1;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.editor-item-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}
.editor-add-btn{width:100%;margin-top:.25rem;justify-content:center;border-style:dashed;font-size:11px;padding:.28rem}

/* Waypoints */
.waypoint-list{display:flex;flex-direction:column;gap:.28rem;margin-bottom:.45rem;max-height:220px;overflow-y:auto}
.waypoint-item{background:var(--bg3);border-radius:6px;padding:.32rem .55rem;font-size:12px;display:flex;align-items:center;gap:.38rem}
.waypoint-idx{background:var(--border);border-radius:50%;width:17px;height:17px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600;flex-shrink:0}
.waypoint-info{flex:1;overflow:hidden}
.waypoint-title{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.waypoint-coords{color:var(--text-dim);font-size:10px}

/* Mode indicator */
.mode-indicator{position:absolute;bottom:65px;left:50%;transform:translateX(-50%);background:var(--bg2);border:1px solid var(--primary);border-radius:99px;padding:.32rem .85rem;font-size:12px;z-index:450;white-space:nowrap;box-shadow:var(--shadow)}

/* Fog brush controls */
.fog-controls{position:absolute;bottom:65px;right:10px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:.65rem;z-index:450;width:195px;box-shadow:var(--shadow)}
.fog-controls h5{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-dim);margin-bottom:.45rem}
.fog-brush-size-display{text-align:center;font-size:12px;color:var(--primary-h);margin-bottom:.3rem;font-weight:500}
.fog-item{background:var(--bg3);border-radius:6px;padding:.35rem .6rem;margin-bottom:.28rem;display:flex;align-items:center;justify-content:space-between;font-size:12px}

/* POI icon grid */
.icon-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.3rem;margin-bottom:.45rem}
.icon-option{background:var(--bg3);border:2px solid transparent;border-radius:6px;padding:.28rem;text-align:center;cursor:pointer;font-size:15px;transition:all .15s;line-height:1}
.icon-option:hover{border-color:var(--border)}
.icon-option.selected{border-color:var(--primary)}

/* Visibility badges */
.vis-badge{font-size:10px;padding:.08rem .32rem;border-radius:4px;font-weight:500}
.vis-public{background:rgba(34,197,94,.15);color:#86efac}
.vis-hidden{background:rgba(239,68,68,.15);color:#fca5a5}
.vis-group{background:rgba(99,102,241,.15);color:#a5b4fc}