:root{
  --bg:#0f1216; --panel:#161b21; --panel2:#1c232b; --line:#2a333d; --fg:#e8ebee; --mut:#8d99a6;
  --acc:#f2b705; --acc2:#ffcf3a; --red:#e5484d; --orange:#f07d2c; --amber:#d9b53f; --green:#4cae6a; --blue:#5aa9e6;
  --mono:'JetBrains Mono',ui-monospace,monospace; --cond:'Barlow Condensed','Inter',sans-serif;
}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){--bg:#0f1216}}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);font:14px/1.45 Inter,system-ui,sans-serif;overflow:hidden}
a{color:inherit}
button{font:inherit;color:inherit}
#loader{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:var(--bg);transition:opacity .6s}
#loader.done{opacity:0;pointer-events:none}
.ld-box{width:min(360px,80vw);text-align:center}
.ld-logo,.logo{font-family:var(--cond);font-weight:700;letter-spacing:.06em;font-size:30px}
.ld-logo span,.logo span{color:var(--acc);margin-left:4px}
.ld-bar{height:6px;margin:18px 0 10px;background:repeating-linear-gradient(-45deg,#222 0 8px,#2c2c2c 8px 16px);border-radius:3px;overflow:hidden}
.ld-bar i{display:block;height:100%;width:30%;background:repeating-linear-gradient(-45deg,var(--acc) 0 8px,#111 8px 16px);animation:ld 1.2s linear infinite}
@keyframes ld{from{transform:translateX(-100%)}to{transform:translateX(340%)}}
.ld-txt{font-family:var(--mono);font-size:11px;color:var(--mut)}

#top{position:fixed;top:0;left:0;right:0;height:62px;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  background:linear-gradient(#11161bf2,#11161be0);border-bottom:1px solid var(--line)}
#top::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;background:repeating-linear-gradient(-45deg,var(--acc) 0 10px,#111 10px 20px);opacity:.9}
.brand{display:flex;align-items:center;gap:16px;min-width:0}
.logo{font-size:26px;white-space:nowrap}
.proj{display:flex;flex-direction:column;min-width:0;border-left:1px solid var(--line);padding-left:16px}
.proj b{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj small{color:var(--mut);font-family:var(--mono);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
nav{display:flex;gap:8px;align-items:center;flex-shrink:0}
.btn{background:var(--panel2);border:1px solid var(--line);padding:8px 12px;border-radius:6px;cursor:pointer;text-decoration:none;white-space:nowrap;font-weight:500}
.btn:hover{border-color:#44515f}
.btn.accent{background:var(--acc);color:#111;border-color:var(--acc);font-weight:600}
.seg{display:flex;background:var(--panel2);border:1px solid var(--line);border-radius:7px;padding:3px}
.seg button{background:none;border:0;padding:6px 11px;border-radius:5px;cursor:pointer;color:var(--mut);font-weight:500;white-space:nowrap}
.seg button.on{background:var(--acc);color:#111}

#side{position:fixed;top:66px;left:0;bottom:0;width:360px;z-index:15;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-bottom:1px solid var(--line)}
.kpi{background:var(--panel);padding:12px 14px}
.kpi b{display:block;font-family:var(--cond);font-size:24px;font-weight:600;letter-spacing:.01em}
.kpi span{color:var(--mut);font-size:12px}
.kpi.red b{color:#ff7a7e}.kpi.green b{color:#6fd18d}
.chips{display:flex;flex-wrap:wrap;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line)}
.chip{border:1px solid var(--line);background:var(--panel2);border-radius:20px;padding:4px 10px;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:6px}
.chip.on{border-color:var(--acc);color:var(--acc)}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex-shrink:0}
.list{flex:1;overflow:auto;padding:6px 0}
.item{display:grid;grid-template-columns:38px 1fr auto;gap:8px;padding:9px 14px;cursor:pointer;border-left:3px solid transparent}
.item:hover{background:var(--panel2)}
.item.sel{background:var(--panel2);border-left-color:var(--acc)}
.item .no{font-family:var(--mono);font-size:12px;color:var(--mut);padding-top:1px}
.item .t{font-weight:500;font-size:13px}
.item .m{font-size:11px;color:var(--mut)}
.item .e{font-family:var(--mono);font-size:11.5px;white-space:nowrap;padding-top:1px}
.e.neg{color:#ff8a8d}.e.pos{color:#7fdc9b}
.dl{display:flex;gap:6px;padding:10px 14px;border-top:1px solid var(--line)}
.dl a{flex:1;text-align:center;text-decoration:none;font-size:12px;padding:7px 4px;border:1px solid var(--line);border-radius:6px;background:var(--panel2)}
.dl a:hover{border-color:var(--acc)}

#stage{position:fixed;top:66px;left:360px;right:0;bottom:0}
#c{width:100%;height:100%;display:block;cursor:grab}
#labels{position:absolute;inset:0;pointer-events:none}
.hud{position:absolute;z-index:5}
.tl{top:12px;left:12px}.bl{bottom:12px;left:12px}.br{bottom:12px;right:12px;display:flex;align-items:center;gap:10px}
.layers{display:flex;flex-direction:column;gap:2px;background:#11161bd9;border:1px solid var(--line);border-radius:8px;padding:8px;backdrop-filter:blur(6px)}
.layers .h{font-family:var(--cond);text-transform:uppercase;letter-spacing:.08em;color:var(--mut);font-size:12px;padding:0 4px 4px}
.layers label{display:flex;align-items:center;gap:8px;font-size:12.5px;padding:3px 4px;cursor:pointer;border-radius:4px}
.layers label:hover{background:#ffffff0d}
.layers input{accent-color:var(--acc)}
#legend{background:#11161bd9;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:12px;display:flex;flex-direction:column;gap:4px;backdrop-filter:blur(6px)}
#legend div{display:flex;align-items:center;gap:7px}
#compass{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#11161bd9;display:grid;place-items:center;position:relative}
#compass i{font-style:normal;font-family:var(--cond);font-weight:700;color:var(--acc);position:absolute;top:2px;left:50%;transform:translateX(-50%)}
#compass::after{content:"";width:2px;height:18px;background:linear-gradient(var(--acc),#555);border-radius:2px}
.coord{font-family:var(--mono);font-size:11px;color:var(--mut);background:#11161bd9;border:1px solid var(--line);padding:6px 8px;border-radius:6px}
#tip{position:absolute;pointer-events:none;background:#0b0e11ee;border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-family:var(--mono);font-size:11.5px;display:none;z-index:8;white-space:nowrap}
#modeNote{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);background:#11161be6;border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-size:12.5px;max-width:min(640px,80%);text-align:center;z-index:6;transition:opacity .3s}
#modeNote b{color:var(--acc)}

/* 3D labels */
.pin{position:absolute;transform:translate(-50%,-100%);pointer-events:auto;cursor:pointer;display:flex;flex-direction:column;align-items:center}
.pin .b{min-width:28px;height:24px;border-radius:5px;display:grid;place-items:center;font-family:var(--mono);font-weight:600;font-size:11.5px;color:#111;box-shadow:0 2px 8px #0008;border:1px solid #0005;padding:0 5px}
.pin .s{width:2px;height:16px;background:#ffffffaa}
.pin:hover .b,.pin.sel .b{transform:scale(1.18);outline:2px solid #fff}
.pin.dim{opacity:.18}
.lbl{position:absolute;transform:translate(-50%,-50%);font-family:var(--mono);font-size:10.5px;color:#e9edf1;background:#0d1114c4;border:1px solid #ffffff22;padding:2px 6px;border-radius:3px;white-space:nowrap;pointer-events:none}
.lbl.km{color:var(--acc);border-color:#f2b70555}
.lbl.big{font-family:var(--cond);font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.lbl.red{color:#ff8a8d;border-color:#e5484d88}
.lbl.green{color:#7fdc9b;border-color:#4cae6a88}

#panel{position:fixed;right:14px;top:80px;width:min(460px,calc(100vw - 390px));max-height:calc(100vh - 100px);overflow:auto;z-index:25;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 50px #000a;padding:18px}
#panel.hidden,#gallery.hidden,#viewer.hidden{display:none}
.x{position:absolute;top:8px;right:10px;background:none;border:0;font-size:24px;color:var(--mut);cursor:pointer;line-height:1}
.p-head{display:flex;gap:10px;align-items:center;margin-bottom:6px;padding-right:24px}
.p-no{font-family:var(--mono);color:var(--mut)}
.sev{border-radius:4px;padding:2px 8px;font-size:11.5px;font-weight:600;color:#111}
.p-title{font-family:var(--cond);font-size:22px;font-weight:600;line-height:1.15;margin:4px 0 6px}
.p-meta{font-size:12px;color:var(--mut);margin-bottom:10px}
.p-text{margin:0 0 12px}
.cmp{display:grid;gap:8px;margin-bottom:12px}
.cmp div{background:var(--panel2);border:1px solid var(--line);border-left:3px solid #555;border-radius:6px;padding:8px 10px;font-size:13px}
.cmp div.b1{border-left-color:var(--red)}.cmp div.b2{border-left-color:var(--blue)}.cmp div.b3{border-left-color:var(--green)}
.cmp span{display:block;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin-bottom:2px}
.p-imp{display:flex;justify-content:space-between;align-items:center;background:#0b0e11;border:1px dashed var(--line);border-radius:6px;padding:10px 12px;margin-bottom:12px}
.p-imp b{font-family:var(--mono);font-size:16px}
.p-rec{font-size:13px;margin-bottom:12px}
.p-rec b{color:var(--acc)}
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}
.thumb{background:#fff;border-radius:6px;overflow:hidden;cursor:zoom-in;border:1px solid var(--line);position:relative;aspect-ratio:4/3}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb span{position:absolute;left:0;right:0;bottom:0;background:#000b;color:#fff;font-size:10.5px;padding:3px 6px}
.p-nav{display:flex;justify-content:space-between;margin-top:14px;gap:8px}

#gallery{position:fixed;inset:66px 0 0 0;z-index:30;background:#0d1014f5;overflow:auto;padding:16px 20px}
.g-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;position:relative}
.g-head b{font-family:var(--cond);font-size:22px}
.g-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.g-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;cursor:zoom-in}
.g-card .im{background:#fff;aspect-ratio:4/3}
.g-card img{width:100%;height:100%;object-fit:cover;display:block}
.g-card div.tx{padding:8px 10px}
.g-card b{display:block;font-size:13px}.g-card small{color:var(--mut);font-size:11.5px}
#viewer{position:fixed;inset:0;z-index:40;background:#07090bf7;display:flex;flex-direction:column}
.v-head{display:flex;gap:12px;align-items:baseline;padding:12px 50px 12px 16px;border-bottom:1px solid var(--line);position:relative}
.v-head small{color:var(--mut)}
.v-wrap{flex:1;overflow:hidden;position:relative;cursor:grab;background:#e9e9e6}
.v-wrap img{position:absolute;top:0;left:0;transform-origin:0 0;user-select:none;-webkit-user-drag:none}
.v-note{padding:10px 16px;border-top:1px solid var(--line);font-size:13px;color:#c9d1d9}

@media (max-width: 900px){
  #side{top:auto;width:auto;right:0;height:42vh;border-right:0;border-top:1px solid var(--line)}
  #stage{left:0;bottom:42vh}
  .proj{display:none}
  #top{height:auto;min-height:62px;flex-wrap:wrap;padding:8px 12px}
  nav{flex-wrap:wrap}
  .btn{padding:6px 9px}
  #panel{left:8px;right:8px;width:auto;top:auto;bottom:8px;max-height:60vh}
  .hud.tl{display:none}
  #legend{display:none}
  .kpis{grid-template-columns:repeat(4,1fr)}.kpi b{font-size:16px}.kpi{padding:8px}
}

.layers.collapsed label{display:none}
.layers .h{padding-bottom:0}
.layers:not(.collapsed) .h{padding-bottom:4px}
.pin .b{min-width:24px;height:20px;font-size:10.5px}
.pin .s{height:12px}

/* ---------- professional tools ---------- */
.pro-card{position:absolute;z-index:7;background:#10151ae8;border:1px solid var(--line);border-radius:10px;backdrop-filter:blur(8px);box-shadow:0 10px 30px #0007}
.hidden{display:none!important}
.hud.br{display:none}
#legend{top:56px;bottom:auto}
#modeNote.top{top:12px;bottom:auto}
body:has(#panel:not(.hidden)) #modeNote{display:none}
#nav{right:12px;bottom:12px;padding:10px;display:flex;flex-direction:column;align-items:center;gap:8px}
#nav #compass{width:38px;height:38px;margin-bottom:2px}
.nav-grid{display:grid;grid-template-columns:repeat(3,36px);gap:4px}
.nav-zoom{display:flex;gap:4px}
#nav button,.tool{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--panel2);border:1px solid var(--line);color:#c9d1d9;border-radius:6px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
#nav button{width:36px;height:34px}
#nav .nav-zoom button{width:56px}
#nav button:hover,.tool:hover{border-color:#4a5866;color:#fff}
#nav button:active{background:var(--acc);color:#111;border-color:var(--acc)}
#nav button.home{color:var(--acc)}
#dock{left:50%;bottom:12px;transform:translateX(-50%);width:min(760px,calc(100% - 200px));padding:10px 14px}
.dock-row{display:flex;gap:16px;align-items:center}
.dock-tools{display:flex;gap:6px;flex-shrink:0}
.tool{height:34px;padding:0 11px;font-size:12.5px;font-weight:500;white-space:nowrap}
.tool.sq{width:34px;padding:0}
.tool.on{background:var(--acc);color:#111;border-color:var(--acc)}
.station{flex:1;min-width:0}
.st-head{display:flex;gap:10px;align-items:baseline;font-size:12px;white-space:nowrap;overflow:hidden}
.st-lbl{color:var(--mut);text-transform:uppercase;letter-spacing:.08em;font-size:10.5px;font-family:var(--cond);font-weight:600}
.st-head b{font-family:var(--mono);color:var(--acc);font-weight:600}
.st-rez{color:var(--mut);font-family:var(--mono);font-size:11px;overflow:hidden;text-overflow:ellipsis}
.station input,#buildBar input{width:100%;accent-color:var(--acc);margin:6px 0 2px}
.st-ticks{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:#6c7682}
#buildBar{border-top:1px solid var(--line);margin-top:10px;padding-top:10px}
.bb-head{display:grid;grid-template-columns:34px 1fr 34px;gap:12px;align-items:center}
.bb-step{font-family:var(--cond);font-size:17px;font-weight:600;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bb-src{font-family:var(--mono);font-size:11px;color:var(--mut)}
.bb-dots{display:flex;gap:4px;margin-top:4px}
.bb-dots button{flex:1;height:20px;border:1px solid var(--line);background:var(--panel2);color:var(--mut);font:600 10.5px var(--mono);border-radius:4px;cursor:pointer}
.bb-dots button.done{background:#3a3220;color:#d8b64a;border-color:#5b4c1f}
.bb-dots button.cur{background:var(--acc);color:#111;border-color:var(--acc)}
#cutPanel{left:12px;top:56px;width:300px;padding:10px}
body.cutting #legend{display:none}
.cp-h{display:flex;justify-content:space-between;align-items:baseline;font-size:11px;color:var(--mut);text-transform:uppercase;letter-spacing:.06em;font-family:var(--cond);font-weight:600;margin-bottom:8px}
.cp-h b{font-family:var(--mono);color:var(--acc);text-transform:none;letter-spacing:0}
.cp-img{position:relative;background:#fff;border-radius:6px;overflow:hidden;aspect-ratio:16/9;cursor:zoom-in}
.cp-img img{width:100%;height:100%;object-fit:cover;object-position:center}
.cp-img span{position:absolute;left:0;right:0;bottom:0;background:#000b;color:#fff;font-size:10.5px;padding:3px 6px}
.cp-n{font-size:12px;margin-top:8px;line-height:1.5}
.cp-n span{color:var(--mut);font-family:var(--mono);font-size:11px}
body.building #labels .pin,body.building #panel,body.building #modeNote{visibility:hidden}
body.eur #labels .pin{opacity:.25}
.lbl.eur{font-weight:600;font-size:11px}
body.building #legend{display:none}
@media (max-width:900px){
  #nav{transform:scale(.85);transform-origin:bottom right}
  #dock{width:calc(100% - 24px);left:12px;transform:none;bottom:auto;top:12px}
  .dock-row{flex-direction:column;align-items:stretch;gap:8px}
  .tool span{display:none}
  #cutPanel{display:none}
}

body.cutting #labels .pin,body.cutting #labels .lbl:not(.km){visibility:hidden!important}

body.eur #labels .lbl:not(.eur){visibility:hidden!important}
.btn svg{vertical-align:-3px;margin-right:6px}