/* 3D Merch Builder — styles (extracted verbatim from the monolith's <style> block). */
:root{ --cyan:#4DC9E6; --slate:#0D1B2A; --navy:#0A1420; --panel:#13212e; --line:rgba(255,255,255,.1);
  --txt:#e8eef3; --muted:#8ba0b2; --warn:#ff8a4d; --bad:#ff5d5d; }
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow:hidden;background:#0a1118;color:var(--txt);
  font-family:'Space Grotesk',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
#stage{position:absolute;inset:0}
canvas{display:block;touch-action:none}
.topbar{position:absolute;top:0;left:0;right:0;height:52px;display:flex;align-items:center;gap:10px;
  padding:0 16px;padding-top:env(safe-area-inset-top);background:linear-gradient(180deg,rgba(10,17,24,.92),rgba(10,17,24,0));z-index:11;pointer-events:none}
.topbar .brand-name{font-size:14px;font-weight:800;letter-spacing:.04em;margin:0;text-transform:uppercase;font-family:'Syne',sans-serif;color:var(--txt)}
.topbar .brand-name b{color:var(--cyan)}
.topbar .brand{pointer-events:auto;text-decoration:none;color:inherit;display:inline-flex;align-items:center}
.topnav{margin-left:auto;display:flex;gap:2px;pointer-events:auto}
.topnav a{color:var(--muted);text-decoration:none;font:700 11px/1 'Syne',sans-serif;letter-spacing:.04em;text-transform:uppercase;padding:7px 11px;border-radius:8px;transition:background .15s,color .15s}
.topnav a:hover{color:var(--txt);background:rgba(255,255,255,.07)}
@media(max-width:560px){ .topnav a{padding:7px 8px;font-size:10px} }
.badge{font-size:10px;font-weight:700;color:var(--navy);background:var(--cyan);padding:2px 8px;border-radius:99px}
.badge--p{background:#2b3a48;color:var(--cyan)}

.launch{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;z-index:9;text-align:center;padding:20px}
.launch h2{font-family:'Syne',sans-serif;font-size:22px;margin:0;font-weight:800;color:var(--txt)}.launch h2 b{color:var(--cyan)}
.launch p{color:var(--muted);font-size:13px;margin:0;max-width:340px;line-height:1.5}
.launch-btn{margin-top:6px;padding:14px 26px;background:var(--cyan);color:var(--navy);border:none;border-radius:11px;font-family:'Syne',sans-serif;font-weight:800;font-size:14px;cursor:pointer;box-shadow:0 10px 30px rgba(77,201,230,.3)}

.panel{position:absolute;left:16px;top:64px;bottom:16px;width:284px;max-width:calc(100vw - 32px);
  background:rgba(19,33,46,.93);border:1px solid var(--line);border-radius:14px;backdrop-filter:blur(10px);
  z-index:6;box-shadow:0 12px 40px rgba(0,0,0,.45);display:flex;flex-direction:column}
.panel__head{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;cursor:pointer;flex:0 0 auto}
.panel__head .panel__title{margin:0;font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-family:'Syne',sans-serif}
.panel__chev{color:var(--muted);font-size:14px;transition:transform .2s}.panel.collapsed .panel__chev{transform:rotate(180deg)}
.panel__body{padding:0 14px 14px;overflow-y:auto;flex:1 1 auto}.panel.collapsed .panel__body{display:none}
.panel.collapsed{bottom:auto}
.group+.group{margin-top:13px;padding-top:13px;border-top:1px solid var(--line)}
.lbl{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 8px;font-weight:700;font-family:'Syne',sans-serif}

.garments{display:flex;gap:6px;flex-wrap:wrap}
.garment-chip{display:inline-flex;flex-direction:column;align-items:flex-start;gap:1px;padding:6px 10px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--txt);border-radius:8px;font-size:11px;font-weight:700;cursor:pointer;font-family:'Syne',sans-serif}
.garment-chip.on{background:rgba(77,201,230,.14);border-color:var(--cyan);color:var(--cyan)}
.garment-chip.disabled{opacity:.5;cursor:default}
.garment-chip em{font-size:8px;font-weight:600;font-style:normal;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.swatches{display:flex;gap:7px;flex-wrap:wrap}
.sw{width:28px;height:28px;border-radius:7px;border:2px solid transparent;cursor:pointer;transition:transform .12s}
.sw:hover{transform:scale(1.08)}.sw.active{border-color:var(--cyan)}
select,input[type=number],textarea{width:100%;padding:7px 9px;border:1.5px solid var(--line);border-radius:8px;background:rgba(255,255,255,.04);color:var(--txt);font-size:12px;font-family:'Space Grotesk',sans-serif}
textarea{resize:vertical;min-height:42px}
.twocol{display:flex;gap:8px}.twocol>*{flex:1;min-width:0}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:10px;background:var(--cyan);color:var(--navy);border:none;border-radius:9px;font-weight:800;font-size:12px;cursor:pointer;font-family:'Syne',sans-serif}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn--ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
.row{display:flex;align-items:center;gap:10px;margin-top:9px}
.row label{font-size:11px;color:var(--muted);width:46px;flex:0 0 auto}
input[type=range]{flex:1;accent-color:var(--cyan);height:4px}
.hint{font-size:11px;color:var(--muted);line-height:1.5;margin-top:8px}.hint b{color:var(--cyan)}
.thumb{width:28px;height:28px;border-radius:6px;border:1px solid var(--line);object-fit:contain;background:repeating-conic-gradient(#2a3a48 0 25%,#1c2a36 0 50%) 0 0/10px 10px;flex:0 0 auto}

.zone-list{display:flex;flex-direction:column;gap:5px}
.zone-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border:1px solid var(--line);border-radius:8px;cursor:pointer;transition:border-color .12s,background .12s}
.zone-item:hover{border-color:rgba(77,201,230,.5)}.zone-item.active{border-color:var(--cyan);background:rgba(77,201,230,.1)}
.zone-item .zn{flex:1;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.zone-item .side{font-size:9px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:rgba(255,255,255,.05);padding:1px 6px;border-radius:99px}
.zone-item .dot{width:8px;height:8px;border-radius:50%;background:#FF4D00;flex:0 0 auto;opacity:0;transition:opacity .15s}
.zone-item.has-art .dot{opacity:1}

.presets{display:flex;gap:5px;margin-top:9px}
.presets button{flex:1;padding:6px 2px;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted);border-radius:7px;font-size:10px;font-weight:700;cursor:pointer;font-family:'Syne',sans-serif}
.presets button.on{background:rgba(77,201,230,.14);border-color:var(--cyan);color:var(--cyan)}
.readout{margin-top:10px;font-size:12px;display:flex;justify-content:space-between}.readout .val{font-weight:700;font-family:'Syne',sans-serif}
.readout.warn .val{color:var(--warn)}.readout.bad .val{color:var(--bad)}
.zonemsg{font-size:10px;margin-top:3px;color:var(--muted)}.zonemsg.warn{color:var(--warn)}.zonemsg.bad{color:var(--bad)}
.price{font-size:12px;color:var(--muted);margin-top:6px}.price b{color:var(--txt);font-family:'Syne',sans-serif;font-size:14px}
.lib-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:8px}
.lib-item{padding:0;border:1px solid var(--line);border-radius:7px;background:repeating-conic-gradient(#2a3a48 0 25%,#1c2a36 0 50%) 0 0/8px 8px;cursor:pointer;aspect-ratio:1;overflow:hidden}
.lib-item:hover{border-color:var(--cyan)}
.lib-item img{width:100%;height:100%;object-fit:contain;display:block}
/* AI artwork panel (Phase 7). Reuses .lib-grid/.lib-item for the results, so a
   generation and a saved design look and behave identically once placed — which
   they are: both are a same-origin image dropped onto the active zone. */
.mai-presets{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.mai-preset{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:6px;padding:4px 8px;font-size:10px;cursor:pointer}
.mai-preset:hover{border-color:var(--cyan);color:var(--txt)}
.mai-preset.on{background:var(--cyan);border-color:var(--cyan);color:#08202b;font-weight:700}
#mai-prompt{width:100%;resize:vertical;font:inherit;font-size:11px;padding:7px 8px;border:1px solid var(--line);border-radius:7px;background:#0f1a22;color:var(--txt)}
#mai-prompt:focus{outline:none;border-color:var(--cyan)}
#mai-go[disabled]{opacity:.45;cursor:not-allowed}
.mai-err{color:var(--bad)}
.artrow{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.artrow .nm{flex:1;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.artrow .del{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px;padding:2px 5px}.artrow .del:hover{color:var(--bad)}

.status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:4}
.spinner{width:40px;height:40px;border:3px solid rgba(77,201,230,.2);border-top-color:var(--cyan);border-radius:50%;margin:0 auto 12px;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.status p{font-size:13px;color:var(--muted)}
.toast{position:absolute;top:60px;left:50%;transform:translateX(-50%);background:rgba(19,33,46,.96);border:1px solid var(--line);border-radius:10px;padding:8px 14px;font-size:12px;z-index:8;opacity:0;transition:opacity .2s;pointer-events:none;max-width:90vw;text-align:center}
.toast.show{opacity:1}
.viewseg{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:4px;background:rgba(19,33,46,.92);border:1px solid var(--line);border-radius:99px;padding:4px;z-index:6}
.viewseg button{padding:6px 16px;background:none;border:none;color:var(--muted);font-size:11px;font-weight:700;border-radius:99px;cursor:pointer;font-family:'Syne',sans-serif}
.viewseg button.on{background:rgba(77,201,230,.16);color:var(--cyan)}
.pill{position:absolute;bottom:16px;right:16px;background:rgba(19,33,46,.92);border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:11px;color:var(--muted);z-index:6}.pill b{color:var(--cyan)}
.payload{position:absolute;right:16px;top:64px;width:380px;max-width:calc(100vw - 32px);max-height:60vh;overflow:auto;background:rgba(8,14,20,.97);border:1px solid var(--cyan);border-radius:12px;z-index:10;display:none}
.payload.show{display:block}
.payload__head{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(8,14,20,.97)}
.payload__head b{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);font-family:'Syne',sans-serif}
.payload pre{margin:0;padding:12px;font-size:10.5px;line-height:1.5;color:#bcd3e6;white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,Menlo,Consolas,monospace}
.payload .close{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px}
@media (max-width:680px){
  .panel{left:8px;right:8px;width:auto;top:auto;bottom:58px;max-height:56vh}
  .panel.collapsed{bottom:58px;top:auto}
  .pill,.payload{display:none} .viewseg{bottom:10px}
}