:root{
  --navy:#1B3A5C; --navy2:#13283f; --lime:#7AB648; --bg:#0d141c; --panel:#11202f;
  --line:#21384f; --txt:#cfe0ee; --mut:#9bb0c2;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}

/* ---------- gate ---------- */
#gate{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 30%,#16293f,#0a1118);z-index:50;padding:20px}
.gatecard{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:30px 28px;max-width:380px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.gatecard img{height:46px;margin-bottom:14px;object-fit:contain}
.gatecard h1{font-size:18px;margin:0 0 4px;color:#fff;font-weight:700}
.gatecard .sub{font-size:12px;color:var(--mut);margin-bottom:18px}
.gatecard input{width:100%;padding:11px 13px;border-radius:9px;border:1px solid var(--line);
  background:#0c1722;color:#fff;font-size:15px;margin-bottom:10px}
.gatecard input:focus{outline:none;border-color:var(--lime)}
.gatecard button{width:100%;padding:11px;border:none;border-radius:9px;cursor:pointer;
  background:var(--lime);color:#0c1c0c;font-weight:700;font-size:15px}
.gatecard button:disabled{opacity:.6;cursor:default}
.gateerr{color:#ff7a7a;font-size:13px;min-height:18px;margin-top:8px}
.gatenote{font-size:10.5px;color:#6f859a;margin-top:14px;line-height:1.4}

/* ---------- header ---------- */
#hdr{position:fixed;top:0;left:0;right:0;height:54px;display:flex;align-items:center;
  gap:12px;padding:0 14px;background:linear-gradient(180deg,var(--navy),var(--navy2));
  border-bottom:2px solid var(--lime);z-index:20}
#hdr img{height:34px;object-fit:contain}
#hdr .htxt .h1{font-size:14px;font-weight:700;color:#fff;line-height:1.15}
#hdr .htxt .h2{font-size:11px;color:#a9c3da}
#hdr .spacer{flex:1}
#hdr .eng{font-size:10.5px;color:#a9c3da;text-align:right;line-height:1.3}
#hdr .eng b{color:#fff}

/* ---------- toolbar ---------- */
#toolbar{position:fixed;top:54px;left:0;right:0;display:flex;flex-wrap:wrap;align-items:center;
  gap:8px 14px;padding:8px 14px;background:#0f1c2a;border-bottom:1px solid var(--line);z-index:18}
.tbgroup{display:flex;align-items:center;gap:6px}
.lab{font-size:10px;color:var(--mut);text-transform:uppercase;letter-spacing:.5px;margin-right:2px}
.tbtn{background:#16293c;border:1px solid var(--line);color:var(--txt);border-radius:7px;
  padding:6px 12px;font-size:12.5px;font-weight:600;cursor:pointer}
.tbtn.active{background:var(--lime);color:#0c1c0c;border-color:var(--lime)}
.tierwrap{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center}
.tiercol{display:flex;align-items:center;gap:4px;background:#0c1722;border:1px solid var(--line);
  border-radius:8px;padding:4px 8px}
.tiercol .tl{font-size:9.5px;color:#8aa3bb;text-transform:uppercase;letter-spacing:.4px;margin-right:2px}
.tierbtn{background:#16293c;border:1px solid var(--line);color:var(--txt);border-radius:6px;
  padding:4px 9px;font-size:11.5px;font-weight:700;cursor:pointer}
.tierbtn.active{background:#2E7DE8;color:#fff;border-color:#2E7DE8}
.tiercol.plumb .tierbtn.active{background:#18C0B0;border-color:#18C0B0;color:#06231f}
.tiercol.elec .tierbtn.active{background:#FFAE5C;border-color:#FFAE5C;color:#3a2400}

/* ---------- layer panel ---------- */
#layers{position:fixed;top:104px;left:10px;width:194px;max-height:calc(100vh - 130px);
  overflow:auto;background:rgba(17,32,47,.95);border:1px solid var(--line);border-radius:11px;
  z-index:15;backdrop-filter:blur(6px)}
.lhdr{display:flex;justify-content:space-between;align-items:center;padding:9px 11px;
  border-bottom:1px solid var(--line);font-size:12px;font-weight:700;color:#fff}
.lhdr .mini{font-size:10px;color:var(--lime);cursor:pointer;font-weight:600}
.lrow{display:flex;align-items:center;gap:8px;padding:7px 11px;cursor:pointer;border-bottom:1px solid #18293a}
.lrow:hover{background:#16293c}
.lrow.off{opacity:.42}
.lrow input{accent-color:var(--lime);width:14px;height:14px}
.swatch{width:13px;height:13px;border-radius:3px;flex:0 0 auto;border:1px solid rgba(255,255,255,.15)}
.lname{font-size:12px;color:var(--txt)}

/* ---------- legend ---------- */
#legend{position:fixed;bottom:10px;left:10px;background:rgba(17,32,47,.95);border:1px solid var(--line);
  border-radius:10px;padding:9px 11px;z-index:14;max-width:228px;max-height:calc(100vh - 170px);
  overflow:auto;backdrop-filter:blur(6px)}
#legend .lgttl{font-size:10px;color:var(--mut);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.lg{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--txt);margin:3px 0}
.lgdot{width:14px;height:5px;border-radius:2px;flex:0 0 auto}
.sym{display:flex;align-items:center;gap:7px;font-size:10.5px;color:var(--txt);margin:3px 0}
.symicon{width:20px;height:18px;flex:0 0 auto;background:#0b1219;border-radius:3px}

/* ---------- view options (toolbar right) ---------- */
.vwopts{display:flex;gap:6px;align-items:center}

/* ---------- schedules panel ---------- */
#schedules{position:fixed;top:104px;right:10px;width:340px;max-width:calc(100vw - 24px);
  background:rgba(13,22,33,.98);border:1px solid var(--line);border-radius:11px;z-index:17;
  transform:translateX(130%);transition:transform .22s;backdrop-filter:blur(7px);
  max-height:calc(100vh - 130px);overflow:auto;box-shadow:0 16px 50px rgba(0,0,0,.55)}
#schedules.open{transform:translateX(0)}
.schhdr{display:flex;justify-content:space-between;align-items:center;padding:10px 13px;
  border-bottom:1px solid var(--line);font-size:13px;font-weight:700;color:#fff;
  position:sticky;top:0;background:rgba(13,22,33,.99)}
.schhdr .x{cursor:pointer;color:var(--mut);font-size:19px;line-height:1}
#schBody{padding:8px 11px 14px}
.schsec{margin-bottom:14px}
.schttl{font-size:10px;color:var(--lime);text-transform:uppercase;letter-spacing:.6px;
  font-weight:800;margin:8px 0 5px;border-bottom:1px solid #24405a;padding-bottom:3px}
.schtbl{width:100%;border-collapse:collapse;font-size:10.5px}
.schtbl th{text-align:left;color:var(--mut);font-weight:700;padding:3px 5px;
  border-bottom:1px solid #2a4760;text-transform:uppercase;font-size:9px;letter-spacing:.3px}
.schtbl td{padding:3px 5px;color:#dbe8f4;border-bottom:1px solid #19293a;vertical-align:top;line-height:1.3}
.schtbl tr:hover td{background:#16293c}
.schtbl td:first-child,.schtbl th:first-child{color:var(--lime);font-weight:700;white-space:nowrap}

/* ---------- properties ---------- */
#props{position:fixed;top:104px;right:10px;width:248px;background:rgba(17,32,47,.97);
  border:1px solid var(--line);border-radius:11px;z-index:16;transform:translateX(120%);
  transition:transform .22s;backdrop-filter:blur(6px);max-height:calc(100vh - 130px);overflow:auto}
#props.open{transform:translateX(0)}
.phdr{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;
  border-bottom:1px solid var(--line);font-size:12px;font-weight:700;color:#fff}
.phdr .x{cursor:pointer;color:var(--mut);font-size:18px;line-height:1}
#propsBody{padding:10px 12px}
.prow{margin-bottom:8px}
.pk{font-size:9.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.4px}
.pv{font-size:13px;color:#fff;line-height:1.35}

/* ---------- plan stage ---------- */
#stage{position:fixed;top:104px;left:0;right:0;bottom:0;background:var(--bg)}
#planSvg{width:100%;height:100%;display:block;background:radial-gradient(circle at 50% 40%,#101d2b,#0a1018)}
#planSvg .sel{stroke:#ffffff !important;stroke-width:0.55 !important}
#planSvg polyline.sel,#planSvg line.sel{stroke:#fff !important}

/* floor pill (bottom-center) */
#floorpill{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);display:flex;
  background:rgba(17,32,47,.95);border:1px solid var(--line);border-radius:24px;padding:4px;z-index:15;gap:4px}
#floorpill button{background:transparent;border:none;color:var(--txt);padding:8px 18px;
  border-radius:20px;font-size:13px;font-weight:700;cursor:pointer}
#floorpill button.active{background:var(--lime);color:#0c1c0c}

#loading{position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  color:var(--mut);font-size:14px;z-index:30;background:var(--bg)}

@media(max-width:640px){
  #layers{width:160px;top:auto;bottom:74px;left:8px;max-height:38vh}
  #props{width:200px}
  #legend{display:none}
  #hdr .eng{display:none}
  .tierwrap{gap:5px 8px}
}