:root{--bg:#0e1216;--panel:#12171c;--card:#171d23;--line:#252d36;--line2:#2f3944;--tx:#e8edf2;--mu:#8995a2;--ac:#2dd4bf;--ac2:#14b8a6;--glass:rgba(16,21,26,.68)}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--tx);font:14px/1.45 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
header{display:flex;align-items:center;gap:10px;padding:0 18px;height:52px;background:linear-gradient(180deg,#171d23,#12171c);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:9px;color:var(--ac)}.logo b{color:var(--tx);font-size:16px;font-weight:650;letter-spacing:.01em}
.tag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mu);border:1px solid var(--line2);border-radius:20px;padding:1px 9px}.sp{flex:1}
.pill{background:transparent;color:var(--tx);border:1px solid var(--line2);border-radius:20px;padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:.15s}.pill:hover{border-color:var(--ac);color:var(--ac)}
main{display:flex;height:calc(100vh - 52px)}
#panel{width:352px;flex:none;overflow:auto;padding:14px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px}
#panel::-webkit-scrollbar,.dl::-webkit-scrollbar{width:8px;height:8px}#panel::-webkit-scrollbar-thumb{background:#2a343e;border-radius:8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px 14px}
h2{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--mu);margin:0 0 10px}
h2::before{content:"";width:3px;height:12px;border-radius:2px;background:var(--ac)}
select,input[type=number],input[type=text]{width:100%;height:34px;background:#0c1014;color:var(--tx);border:1px solid var(--line2);border-radius:9px;padding:0 10px;font:inherit;font-size:13px;transition:border-color .15s,box-shadow .15s;outline:none}
select{appearance:none;-webkit-appearance:none;padding-right:30px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%238995a2' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}
select:hover,input:hover{border-color:#41505e}select:focus,input:focus{border-color:var(--ac);box-shadow:0 0 0 3px rgba(45,212,191,.16)}
option{background:#12171c}
.grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px 10px}.grid label{min-width:0;display:block}.grid label span{display:block;font-size:11px;color:var(--mu);margin:0 0 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.note{margin:10px 0 4px;padding:8px 11px;border-radius:9px;font-size:12px;line-height:1.4}.warn{background:rgba(242,199,107,.09);color:#f2c76b;border:1px solid rgba(242,199,107,.22)}.good{background:rgba(110,231,200,.08);color:#6ee7c8;border:1px solid rgba(110,231,200,.2)}
.muted{color:var(--mu);font-size:12px;margin-top:8px}
.prow{display:grid;grid-template-columns:52px 46px 1fr 1fr 1fr 1fr 24px;gap:5px;margin:5px 0;align-items:center}
.prow input,.prow select{height:30px;padding:0 6px;font-size:12px}.prow select{padding-right:16px;background-position:right 4px center}.pn{font-size:11px;color:var(--mu);overflow:hidden;text-overflow:ellipsis}
.x{background:none;border:0;color:#f87171;font-size:18px;cursor:pointer;opacity:.8}.x:hover{opacity:1}
button{cursor:pointer;border-radius:9px;padding:0 14px;height:36px;border:1px solid var(--line2);font:inherit;font-size:13px;transition:.15s}
.ghost{background:#1c242c;color:var(--tx)}.ghost:hover{border-color:var(--ac);color:var(--ac)}
.pri{background:linear-gradient(180deg,var(--ac),var(--ac2));color:#052723;border-color:transparent;font-weight:650;box-shadow:0 4px 14px rgba(45,212,191,.18)}.pri:hover{filter:brightness(1.07);transform:translateY(-1px)}
#addPort{margin-top:8px;width:100%}
#stage{flex:1;display:flex;flex-direction:column;min-width:0}
.vp{position:relative;flex:1;min-height:0;background:radial-gradient(circle at 50% 38%,#2a333c,#12161a)}
#cv{position:absolute;inset:0;width:100%;height:100%;cursor:grab;display:block}#cv:active{cursor:grabbing}
.float{position:absolute;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08);border-radius:14px;box-shadow:0 8px 28px rgba(0,0,0,.28)}
.tl{top:14px;left:14px;display:flex;flex-wrap:wrap;gap:6px;padding:7px;max-width:calc(100% - 290px)}
.tr{top:14px;right:14px;padding:10px 12px;width:248px}
.fl-title{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mu);margin-bottom:7px;font-weight:650}
.bl{left:14px;bottom:14px;padding:7px 12px;font-size:12.5px;display:flex;gap:12px;align-items:center;max-width:calc(100% - 28px)}
.bl:empty{display:none}
.chip{display:inline-flex;cursor:pointer;user-select:none}.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:flex;align-items:center;gap:7px;height:30px;padding:0 12px 0 10px;border-radius:9px;font-size:12.5px;color:#aeb8c3;border:1px solid transparent;transition:.15s}
.chip span::before{content:"";width:9px;height:9px;border-radius:50%;border:1.5px solid #5d6a77;transition:.15s}
.chip:hover span{background:rgba(255,255,255,.05)}
.chip input:checked+span{color:var(--tx);background:rgba(45,212,191,.13);border-color:rgba(45,212,191,.35)}
.chip input:checked+span::before{background:var(--ac);border-color:var(--ac);box-shadow:0 0 8px rgba(45,212,191,.6)}
.chip input:focus-visible+span{outline:2px solid var(--ac);outline-offset:1px}
.seg{display:flex;background:#0c1014;border:1px solid var(--line2);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;height:28px;padding:0 8px;border:0;border-radius:7px;background:transparent;color:#9aa6b2;font-size:12px;font-weight:550}
.seg button:hover{color:var(--tx)}.seg button.on{background:rgba(45,212,191,.16);color:var(--ac);box-shadow:inset 0 0 0 1px rgba(45,212,191,.35)}
.sl{display:block;margin-top:11px}.sl span{display:flex;justify-content:space-between;font-size:11px;color:var(--mu);margin-bottom:6px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;padding:0;border:0;cursor:pointer;--p:30%}
input[type=range]:focus{box-shadow:none}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ac) var(--p),#2b3540 var(--p))}
input[type=range]::-moz-range-track{height:4px;border-radius:4px;background:#2b3540}
input[type=range]::-moz-range-progress{height:4px;border-radius:4px;background:var(--ac)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;margin-top:-6px;background:#e9fffb;border:3px solid var(--ac);box-shadow:0 2px 8px rgba(0,0,0,.45);transition:transform .12s}
input[type=range]::-moz-range-thumb{width:10px;height:10px;border-radius:50%;background:#e9fffb;border:3px solid var(--ac)}
input[type=range]:hover::-webkit-slider-thumb{transform:scale(1.15)}
.dl{display:flex;gap:10px;padding:12px 16px;background:var(--panel);border-top:1px solid var(--line);flex-wrap:wrap;align-items:center}
.dl .seg{width:132px;margin-right:6px}
.err{color:#f87171;font-weight:600}
.conbtn{display:flex;align-items:center;gap:12px;width:100%;height:auto;padding:8px 12px 8px 8px;background:#0c1014;color:var(--tx);border:1px solid var(--line2);border-radius:12px;text-align:left}
.conbtn:hover{border-color:var(--ac)}.conbtn svg{flex:none;color:var(--mu)}
.conbtn .cn{flex:1;min-width:0;display:flex;flex-direction:column}.conbtn b{font-size:14px;font-weight:600;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.conbtn small{font-size:11px;color:var(--mu);letter-spacing:.06em;text-transform:uppercase}
.th{flex:none;width:64px;height:48px;border-radius:8px;background:radial-gradient(circle at 50% 40%,#2a333c,#151a1f);overflow:hidden;display:flex;align-items:center;justify-content:center}
.th img{width:100%;height:100%;object-fit:contain;display:block}.th i{width:18px;height:18px;border:2px solid var(--line2);border-top-color:var(--ac);border-radius:50%;animation:p3spin 1s linear infinite}
@keyframes p3spin{to{transform:rotate(360deg)}}
#cat{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:18px}#cat[hidden]{display:none}
#cat .cbk{position:absolute;inset:0;background:rgba(5,8,11,.72);backdrop-filter:blur(3px)}
#cat .cpn{position:relative;width:min(1000px,100%);max-height:100%;display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line2);border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.55);overflow:hidden}
.chd{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}.chd input{flex:1;height:38px}.chd .x{font-size:26px;padding:0 6px;height:38px}
#catBody{overflow:auto;padding:6px 16px 18px}
.cg{margin:16px 0 0}.cg h3{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:11px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--mu)}.cg h3::before{content:"";width:3px;height:12px;border-radius:2px;background:var(--ac)}
.cgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.ccard{display:flex;flex-direction:column;height:auto;padding:0;text-align:left;background:var(--card);color:var(--tx);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.15s}
.ccard:hover{border-color:var(--ac);transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,0,0,.35)}.ccard.on{border-color:var(--ac);box-shadow:0 0 0 2px rgba(45,212,191,.28)}
.ccard .th{width:100%;height:auto;aspect-ratio:4/3;border-radius:0}
.ccard .tx{padding:10px 12px 12px}.ccard b{display:block;font-size:13.5px;font-weight:600;margin-bottom:3px}.ccard p{margin:0;font-size:12px;line-height:1.4;color:var(--mu);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.cnone{padding:30px 0;text-align:center;color:var(--mu)}
@media(max-width:600px){#cat{padding:0}#cat .cpn{border-radius:0;height:100%}.cgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.ccard p{-webkit-line-clamp:2}}
@media(max-width:900px){main{flex-direction:column;height:auto}#panel{width:100%;border-right:0}.vp{height:62vh;flex:none}.tl{max-width:calc(100% - 28px);top:auto;bottom:58px}.tr{top:12px;width:210px}}
optgroup{background:#12171c;color:var(--ac);font-style:normal;font-weight:650;font-size:12px}

.est{background:var(--panel);border-top:1px solid var(--line);padding:0 16px}
.est summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:14px;height:38px;font-size:11px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--mu)}
.est summary::-webkit-details-marker{display:none}.est summary::before{content:"";width:3px;height:12px;border-radius:2px;background:var(--ac)}
.est summary::after{content:"";margin-left:auto;width:8px;height:8px;border-right:1.5px solid var(--mu);border-bottom:1.5px solid var(--mu);transform:rotate(45deg);transition:.15s}
.est[open] summary::after{transform:rotate(-135deg)}
.estsum{margin-left:6px;letter-spacing:0;text-transform:none;font-size:13px;font-weight:550;color:var(--tx)}.est[open] .estsum{display:none}
.est-set{display:grid;grid-template-columns:repeat(6,minmax(0,1fr)) auto;gap:10px;align-items:end;margin-bottom:10px}
.est-set label span{display:block;font-size:11px;color:var(--mu);margin:0 0 3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.est-set .chip span{display:flex;margin:0;height:34px;font-size:12.5px;color:#aeb8c3}
#estTbl{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:4px}
#estTbl th{font-size:11px;font-weight:600;text-align:right;color:var(--mu);padding:4px 8px;border-bottom:1px solid var(--line)}
#estTbl td{text-align:right;padding:6px 8px;border-bottom:1px solid #1d252d;font-variant-numeric:tabular-nums}
#estTbl th:first-child,#estTbl td:first-child{text-align:left}
#estTbl tr.tot td{font-weight:650;color:var(--ac);border-bottom:0}
.est-note{font-size:11px;color:#6f7b87;padding:2px 0 10px}
@media(max-width:1100px){.est-set{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:700px){.est-set{grid-template-columns:repeat(2,minmax(0,1fr))}}

.slot{grid-column:1/-1;border:1px solid var(--line);border-radius:12px;padding:10px 10px 8px;background:rgba(255,255,255,.02)}
.slot>label{display:block}.slot>label span{display:block;font-size:11px;color:var(--mu);margin:0 0 3px}
.slotp{margin-top:8px}.slotp>summary{cursor:pointer;list-style:none;font-size:11px;color:var(--mu);display:flex;align-items:center;gap:6px;padding:2px 0 6px;user-select:none}
.slotp>summary::-webkit-details-marker{display:none}.slotp>summary::before{content:"";width:6px;height:6px;border-right:1.5px solid var(--mu);border-bottom:1.5px solid var(--mu);transform:rotate(-45deg);transition:.15s}
.slotp[open]>summary::before{transform:rotate(45deg)}

.ver{margin-left:8px;height:22px;padding:0 9px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--mu);font:inherit;font-size:11px;letter-spacing:.04em;display:inline-flex;align-items:center;cursor:default}

/* начален екран (intro): името се изписва буква по буква върху черен фон */
#intro{position:fixed;inset:0;z-index:1000;background:#000;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:opacity .5s ease,visibility .5s}
#intro.out{opacity:0;visibility:hidden}.nointro #intro{display:none}
#intro .in{display:flex;flex-direction:column;align-items:center;gap:16px}
#intro .nm{margin:0;display:flex;align-items:center;color:#fff;font-size:58px;font-weight:650;letter-spacing:.04em;line-height:1.1}
#intro .nm span{opacity:0;animation:p3ch .55s ease-out forwards;animation-delay:calc(.3s + var(--i)*.13s)}
#intro .nm span.d{color:var(--ac);animation-name:p3chd}
#intro .cur{width:3px;height:.9em;margin-left:6px;background:var(--ac);box-shadow:0 0 12px var(--ac);opacity:0;animation:p3cur 1.9s steps(1,end) .25s forwards}
#intro .slg{margin:0;color:var(--mu);font-size:13px;letter-spacing:.22em;text-transform:uppercase;opacity:0;animation:p3fade .8s ease 1.5s forwards}
@keyframes p3ch{0%{opacity:0;color:var(--ac);text-shadow:0 0 22px var(--ac),0 0 6px var(--ac)}45%{opacity:1;color:var(--ac);text-shadow:0 0 18px var(--ac),0 0 4px var(--ac)}100%{opacity:1;color:#fff;text-shadow:0 0 0 transparent}}
@keyframes p3chd{0%{opacity:0;text-shadow:0 0 22px var(--ac),0 0 6px var(--ac)}45%{opacity:1;text-shadow:0 0 18px var(--ac),0 0 4px var(--ac)}100%{opacity:1;color:var(--ac);text-shadow:0 0 10px rgba(45,212,191,.35)}}
@keyframes p3cur{0%,40%,80%{opacity:1}20%,60%{opacity:0}100%{opacity:0}}
@keyframes p3fade{to{opacity:1}}
@media (max-width:600px){#intro .nm{font-size:42px}#intro .slg{font-size:11px;letter-spacing:.14em;padding:0 20px;text-align:center}}
@media (prefers-reduced-motion:reduce){#intro .nm span{animation:none;opacity:1}#intro .nm span.d{color:var(--ac)}#intro .cur{display:none}#intro .slg{animation:none;opacity:1}}

/* допълнителни параметри (разгъва се надолу под основните) и файл с чертеж */
.advbox{margin-top:12px;border:1px solid var(--line);border-radius:12px;background:var(--card)}
.advbox>summary{cursor:pointer;list-style:none;padding:10px 12px;font-size:12.5px;font-weight:600;color:var(--tx);display:flex;align-items:center;gap:8px}
.advbox>summary::-webkit-details-marker{display:none}
.advbox>summary::before{content:'';width:7px;height:7px;border-right:2px solid var(--mu);border-bottom:2px solid var(--mu);transform:rotate(-45deg);transition:.15s;margin:0 4px 0 2px}
.advbox[open]>summary::before{transform:rotate(45deg)}
.advbox>.grid{padding:2px 12px 12px}
#slotFields{margin-top:12px;display:grid;gap:10px}#slotFields:empty{display:none}
.drawfile input[type=file]{width:100%;height:auto;padding:8px;font-size:12px}
.drawfile .dstat{display:block;margin-top:5px;font-size:11.5px;color:var(--mu)}

.swatches{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.swb{display:inline-flex;align-items:center;gap:6px;padding:4px 8px 4px 5px;border-radius:9px;border:1px solid var(--line2);background:rgba(255,255,255,.03);color:var(--tx);cursor:pointer;font-size:11.5px}
.swb i{width:16px;height:16px;border-radius:5px;border:1px solid rgba(255,255,255,.35);display:block}
.swb b{font-weight:500;color:var(--mu)}
.swb.on{border-color:var(--ac);background:rgba(45,212,191,.14)}.swb.on b{color:var(--tx)}
.swb.on i::after{content:'✓';display:block;font-size:11px;line-height:14px;text-align:center;color:#fff;mix-blend-mode:difference}
.colorsel input[type=hidden]{display:none}