:root{
  --bg:#0d1117; --panel:#141b24; --panel-2:#1b2530; --line:#233040;
  --ink:#e6edf3; --ink-2:#8b98a8; --ink-3:#5a6675;
  --sig:#3ddc97;        /* signal green */
  --sig-dim:#1d6e56;
  --amber:#f2b134; --coral:#ff6b5b; --violet:#8b7fe8; --sky:#4aa8ff;
  --radius:10px;
  --mono:'IBM Plex Mono',monospace;
  --sans:'Space Grotesk',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);overflow:hidden}
button{font-family:var(--sans);cursor:pointer;color:inherit}
.mono{font-family:var(--mono)}

/* ---- login ---- */
#login{
  position:fixed;inset:0;z-index:1000;
  background:var(--bg);
  /* dot-grid overlay */
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -5%, rgba(61,220,151,.1) 0%, transparent 62%),
    radial-gradient(circle, rgba(35,48,64,.9) 1px, transparent 1px);
  background-size:100% 100%, 28px 28px;
  display:flex;align-items:center;justify-content:center;padding:20px;
}
#login .card{
  width:100%;max-width:400px;
  background:var(--panel);
  border:1px solid var(--line);
  border-top:1px solid rgba(61,220,151,.18);
  border-radius:20px;
  padding:36px 32px 32px;
  box-shadow:0 32px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.03);
}
#login h1{font-size:26px;font-weight:700;letter-spacing:-.5px;display:flex;align-items:center;gap:10px;margin-bottom:6px}
#login h1 .dot{width:11px;height:11px;border-radius:50%;background:var(--sig);box-shadow:0 0 14px var(--sig);flex-shrink:0;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
#login p{color:var(--ink-2);font-size:13px;line-height:1.6;margin-bottom:28px}
.field{margin-bottom:18px}
.field label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:1.2px;color:var(--ink-3);font-weight:600;margin-bottom:8px}
.field input{
  width:100%;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:13px 14px;
  color:var(--ink);
  font-size:15px;
  font-family:var(--mono);
  transition:border-color .15s,box-shadow .15s;
}
.field input:focus{outline:none;border-color:var(--sig);box-shadow:0 0 0 3px rgba(61,220,151,.12)}
.field input::placeholder{color:var(--ink-3)}
.field-hint{font-size:11px;color:var(--ink-3);margin-top:8px;line-height:1.55}
.gps-status{
  display:flex;align-items:center;gap:8px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-radius:8px;
  padding:9px 12px;
  margin-bottom:16px;
  font-family:var(--mono);font-size:11px;color:var(--ink-2);
}
.gps-status svg{width:13px;height:13px;flex-shrink:0;opacity:.6}
.gps-status.has-fix{border-color:rgba(61,220,151,.25);color:var(--sig)}
.gps-status.has-fix svg{opacity:1;stroke:var(--sig)}
.btn-go{
  width:100%;
  background:var(--sig);
  color:#04140d;
  border:none;
  border-radius:var(--radius);
  padding:15px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  transition:filter .15s,transform .1s,box-shadow .15s;
  box-shadow:0 4px 20px rgba(61,220,151,.3);
}
.btn-go:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 28px rgba(61,220,151,.4)}
.btn-go:active{transform:translateY(0);filter:brightness(.97)}
.coord-preview{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-top:6px}

/* ---- app ---- */
#app{display:none;height:100%;flex-direction:column}
#map{position:absolute;inset:0;background:#0a0e14}
.topbar{height:52px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 14px;z-index:500}
.topbar .brand{font-weight:700;font-size:16px;letter-spacing:-.3px;display:flex;align-items:center;gap:8px}
.topbar .brand .dot{width:9px;height:9px;border-radius:50%;background:var(--sig);box-shadow:0 0 8px var(--sig);animation:pulse 2s infinite}
.me-chip{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);border-radius:20px;padding:5px 12px;font-size:12px}
.me-chip .av{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#04140d}
.me-chip .role-tag{font-size:9px;text-transform:uppercase;letter-spacing:.8px;padding:2px 6px;border-radius:4px;font-weight:600}
.role-leader{background:var(--amber);color:#2a1e00}
.role-member{background:var(--sky);color:#04223f}

/* toolbar - starts below Leaflet's native zoom control (~72px tall incl. its own margin) */
.toolbar{position:absolute;top:132px;left:12px;z-index:500;display:flex;flex-direction:column;gap:8px}
.tool{width:44px;height:44px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:19px;transition:.12s;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.tool:hover{border-color:var(--ink-3);transform:translateY(-1px)}
.tool.active{background:var(--sig);color:#04140d;border-color:var(--sig);box-shadow:0 4px 14px rgba(61,220,151,.35)}
.tool svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.tool .badge-count{position:absolute;top:-4px;right:-4px;background:var(--coral);color:#fff;font-size:9px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 3px}

/* basemap switcher - hugs the top-right corner */
.basemaps{position:absolute;top:12px;right:12px;z-index:500;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:6px;display:flex;gap:6px;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.basemaps button{width:46px;height:46px;border-radius:7px;border:1.5px solid transparent;background-size:cover;background-position:center;font-size:9px;font-weight:600;color:#fff;text-shadow:0 1px 2px #000;display:flex;align-items:flex-end;justify-content:center;padding-bottom:3px;overflow:hidden;transition:.12s}
.basemaps button:hover{transform:translateY(-1px)}
.basemaps button.active{border-color:var(--sig);box-shadow:0 0 0 2px rgba(61,220,151,.25)}
.bm-dark{background:linear-gradient(135deg,#1b2735,#0a0e14)}
.bm-street{background:linear-gradient(135deg,#c8e6c9,#a5d6a7)}
.bm-sat{background:linear-gradient(135deg,#2d4a1e,#1a2f12)}
.bm-topo{background:linear-gradient(135deg,#d7cca8,#b5a678)}

/* people panel - vertically centered on the right, clear of the top (basemaps) and bottom (objectives) clusters */
.panel-right{position:absolute;top:50%;transform:translateY(-50%);right:12px;z-index:500;width:240px;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;max-height:calc(100% - 260px);display:flex;flex-direction:column;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.panel-right .ph{padding:11px 14px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--ink-2);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.panel-right .ph .live{color:var(--sig);display:flex;align-items:center;gap:5px}
.panel-right .ph .live .d{width:6px;height:6px;border-radius:50%;background:var(--sig);animation:pulse 1.5s infinite}
.people-list{overflow-y:auto}
.person{padding:10px 14px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--panel-2);cursor:pointer;transition:.1s}
.person:hover{background:var(--panel-2)}
.person .av{width:30px;height:30px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#04140d;position:relative}
.person .av .on-dot{position:absolute;bottom:-1px;right:-1px;width:9px;height:9px;border-radius:50%;background:var(--sig);border:2px solid var(--panel)}
.person .info{min-width:0;flex:1}
.person .nm{font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px}
.person .nm .rt{font-size:8px;text-transform:uppercase;letter-spacing:.5px;padding:1px 4px;border-radius:3px;font-weight:700}
.person .co{font-family:var(--mono);font-size:10px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* HUD bottom */
.hud{position:absolute;bottom:16px;left:12px;z-index:500;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;font-family:var(--mono);font-size:11px;color:var(--ink-2);min-width:180px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.hud .row{display:flex;justify-content:space-between;gap:16px;padding:2px 0}
.hud .row b{color:var(--sig);font-weight:600}
.hud .acc{color:var(--amber)}

/* GPS failure banner */
.gps-banner{position:absolute;top:12px;left:50%;transform:translateX(-50%);z-index:600;background:var(--coral);color:#fff;border-radius:20px;padding:9px 14px;font-family:var(--mono);font-size:12px;font-weight:600;display:none;align-items:center;gap:10px;box-shadow:0 8px 28px rgba(0,0,0,.45);max-width:min(90vw,520px);white-space:nowrap}
.gps-banner .gps-banner-msg{overflow:hidden;text-overflow:ellipsis;flex:1}
.gps-banner button{flex-shrink:0;background:rgba(255,255,255,.2);border:none;border-radius:12px;padding:4px 10px;font-size:11px;font-weight:600;color:#fff;cursor:pointer;transition:.12s;font-family:var(--sans)}
.gps-banner button:hover{background:rgba(255,255,255,.35)}

/* manual location marker - dashed border to signal approximate position */
.user-marker.manual-pin .pin{border-style:dashed;opacity:.75}
.manual-ring{stroke:var(--amber);fill:var(--amber)}

/* measure banner */
.measure-banner{position:absolute;top:128px;left:50%;transform:translateX(-50%);z-index:600;background:var(--sig);color:#04140d;border-radius:20px;padding:9px 18px;font-family:var(--mono);font-size:13px;font-weight:600;display:none;align-items:center;gap:12px;box-shadow:0 8px 28px rgba(0,0,0,.45);max-width:min(64vw,520px)}
.measure-banner button{flex-shrink:0;background:rgba(4,20,13,.2);border:none;border-radius:12px;padding:4px 10px;font-size:11px;font-weight:600;transition:.12s}
.measure-banner button:hover{background:rgba(4,20,13,.35)}
.measure-banner span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#route-banner{background:var(--amber);color:#2a1e00}
#route-banner button{background:rgba(42,30,6,.2)}
#route-banner button:hover{background:rgba(42,30,6,.35)}

/* objective modal */
.modal-bg{position:fixed;inset:0;z-index:900;background:rgba(6,10,15,.7);display:none;align-items:center;justify-content:center;padding:20px}
.modal{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;max-height:calc(100vh - 40px);overflow-y:auto}
.modal h3{font-size:17px;font-weight:600;margin-bottom:4px}
.modal .sub{font-size:12px;color:var(--ink-2);margin-bottom:18px;font-family:var(--mono)}
.modal .field{margin-bottom:14px}
.modal select,.modal textarea,.modal input{width:100%;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:10px;color:var(--ink);font-size:14px;font-family:var(--sans)}
.modal select:focus,.modal textarea:focus,.modal input:focus{outline:none;border-color:var(--sig)}
.modal textarea{resize:vertical;min-height:60px}
.modal .row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.modal .actions{display:flex;gap:10px;margin-top:6px}
.modal .actions button{flex:1;border-radius:8px;padding:11px;font-weight:600;font-size:14px;border:1px solid var(--line);background:var(--panel-2);transition:.12s}
.modal .actions button:hover{filter:brightness(1.15)}
.modal .actions .primary{background:var(--sig);color:#04140d;border:none}

/* category picker */
.cat-picker{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.cat-btn{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--panel-2);border:1.5px solid var(--line);border-radius:8px;padding:8px 2px;font-size:9px;color:var(--ink-2);transition:.12s}
.cat-btn span{font-size:15px;font-weight:700;line-height:1}
.cat-btn:hover{border-color:var(--ink-3)}
.cat-btn.active{border-color:var(--cat-color,var(--sig));background:color-mix(in srgb,var(--cat-color,var(--sig)) 16%,var(--panel-2));color:var(--ink)}
.cat-btn.active span{color:var(--cat-color,var(--sig))}
.cat-btn[data-cat="objective"]{--cat-color:#f2b134}
.cat-btn[data-cat="hazard"]{--cat-color:#ff6b5b}
.cat-btn[data-cat="waypoint"]{--cat-color:#4aa8ff}
.cat-btn[data-cat="resource"]{--cat-color:#8b7fe8}
.cat-btn[data-cat="rally"]{--cat-color:#3ddc97}

/* objectives list drawer */
.obj-drawer{position:absolute;bottom:16px;right:12px;z-index:500;width:270px;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;max-height:44%;display:flex;flex-direction:column;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.obj-drawer .ph{padding:11px 14px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--ink-2);border-bottom:1px solid var(--line);display:flex;justify-content:space-between}
.obj-drawer .ph .add{color:var(--sig);cursor:pointer;font-size:18px;line-height:1;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:.12s}
.obj-drawer .ph .add:hover{background:var(--panel-2)}
.obj-list{overflow-y:auto}
.obj{padding:10px 14px;border-bottom:1px solid var(--panel-2);display:flex;gap:9px;align-items:flex-start;border-left:3px solid transparent;transition:.12s}
.obj:hover{background:var(--panel-2)}
.obj.pri-critical{border-left-color:var(--coral)}
.obj.pri-high{border-left-color:var(--amber)}
.obj .cat-icon{flex-shrink:0;width:20px;height:20px;border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:1px;color:#0d1117}
.obj .chk{width:18px;height:18px;border-radius:5px;border:1.5px solid var(--ink-3);flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.12s}
.obj .chk.done{background:var(--sig);border-color:var(--sig)}
.obj .chk svg{width:11px;height:11px;stroke:#04140d;stroke-width:3;fill:none;display:none}
.obj .chk.done svg{display:block}
.obj .ob-body{flex:1;min-width:0}
.obj .ob-t{font-size:13px;font-weight:500}
.obj.done .ob-t{text-decoration:line-through;color:var(--ink-3)}
.obj .ob-m{font-size:10px;color:var(--ink-3);font-family:var(--mono);margin-top:2px}
.obj .ob-meta-row{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}
.obj .ob-pri{font-size:8px;text-transform:uppercase;letter-spacing:.5px;padding:2px 6px;border-radius:4px;font-weight:700}
.obj .ob-deadline{font-size:9px;font-family:var(--mono);padding:2px 6px;border-radius:4px;background:var(--panel-2);color:var(--ink-2)}
.obj .ob-deadline.overdue{background:rgba(255,107,91,.15);color:var(--coral);font-weight:600}
.obj .ob-assign{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--amber);margin-top:2px}
.obj .del{flex-shrink:0;background:none;border:none;color:var(--ink-3);font-size:12px;line-height:1;padding:4px;border-radius:4px;margin-top:1px;transition:.12s}
.obj .del:hover{color:var(--coral);background:var(--panel)}
.empty{padding:20px 14px;text-align:center;color:var(--ink-3);font-size:12px}

.leaflet-container{background:#0a0e14}
.leaflet-control-attribution{font-size:9px;background:rgba(20,27,36,.7)!important;color:var(--ink-3)!important}
.leaflet-control-zoom a{background:var(--panel)!important;color:var(--ink)!important;border-color:var(--line)!important}

/* custom marker */
.user-marker{display:flex;flex-direction:column;align-items:center}
.user-marker .pin{width:30px;height:30px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);border:2px solid #fff;display:flex;align-items:center;justify-content:center}
.user-marker .pin span{transform:rotate(45deg);font-size:11px;font-weight:700;color:#04140d}
.user-marker .lbl{margin-top:3px;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:10px;font-weight:600;white-space:nowrap;font-family:var(--mono)}
.accuracy-ring{stroke:var(--sig);fill:var(--sig);fill-opacity:.06;stroke-opacity:.4}

.mobile-tabs{display:none}
@media (max-width:640px){
  /* full-height panels */
  .panel-right{top:0;bottom:58px;left:0;right:0;width:auto;max-height:none;transform:none;border-radius:0;border-left:none;border-right:none;border-top:none;border-bottom:none}
  .obj-drawer{top:0;bottom:58px;left:0;right:0;width:auto;max-height:none;border-radius:0;border-left:none;border-right:none;border-top:none;border-bottom:none}
  .hud{display:none}
  .basemaps{top:8px;right:8px;padding:4px;gap:4px}
  .basemaps button{width:40px;height:40px}
  .toolbar{top:72px;left:8px}
  .measure-banner{top:auto;bottom:66px;left:8px;right:8px;transform:none;max-width:none;width:auto}
  .gps-banner{top:8px;left:8px;right:8px;transform:none;max-width:none;width:auto;white-space:normal;flex-wrap:wrap}

  /* bottom nav */
  .mobile-tabs{display:flex;position:absolute;bottom:0;left:0;right:0;z-index:700;background:var(--panel);border-top:1px solid var(--line);border-radius:0;overflow:hidden;padding-bottom:env(safe-area-inset-bottom,0px)}
  .mobile-tabs button{flex:1;padding:10px 4px 12px;background:none;border:none;font-size:11px;font-weight:500;color:var(--ink-2);display:flex;flex-direction:column;align-items:center;gap:4px}
  .mobile-tabs button.active{color:var(--sig);background:rgba(61,220,151,.05)}
  .mobile-tabs button svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2}
  .panel-right,.obj-drawer{display:none}
  body.mob-people .panel-right{display:flex}
  body.mob-obj .obj-drawer{display:flex}
  body.mob-people .leaflet-control-zoom,body.mob-obj .leaflet-control-zoom,
  body.mob-people .toolbar,body.mob-obj .toolbar,
  body.mob-people .basemaps,body.mob-obj .basemaps{display:none}

  /* bottom-sheet modal */
  .modal-bg{align-items:flex-end;padding:0}
  .modal{max-width:100%;width:100%;border-radius:20px 20px 0 0;padding:6px 16px calc(20px + env(safe-area-inset-bottom,0px));max-height:92vh}
  .modal::before{content:'';display:block;width:36px;height:4px;background:var(--line);border-radius:2px;margin:0 auto 16px}

  /* touch targets */
  .obj{padding:12px 14px}
  .obj .chk{width:24px;height:24px;border-radius:6px}
  .obj .del{font-size:14px;padding:8px;min-width:32px;display:flex;align-items:center;justify-content:center}
  .cat-btn{min-height:54px}
  .person{padding:12px 14px}
  .people-list,.obj-list{overscroll-behavior:contain}

  /* login */
  #login .card{padding:24px 18px 20px}
  .btn-go{padding:16px}
}