/* 3D Optimiser — app shell. Uses the colour/type tokens from style.css. */

.opt-hero{padding:clamp(28px,5vw,44px) 0 18px}
.opt-beta{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:.62rem;font-weight:700;
 letter-spacing:.14em;text-transform:uppercase;color:#08060C;background:var(--gold);padding:4px 10px;border-radius:100px;margin-left:10px;vertical-align:middle}

.opt-steps{display:flex;gap:6px;flex-wrap:wrap;margin:20px 0 0;padding:0;list-style:none}
.opt-step{font-family:var(--sans);font-size:.72rem;letter-spacing:.03em;color:var(--dim2);background:var(--panel);
 border:1px solid var(--line);border-radius:100px;padding:8px 15px 8px 12px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:7px}
.opt-step b{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;
 background:var(--line2);color:var(--dim);font-size:.66rem;flex:none}
.opt-step.done{color:var(--ink);border-color:var(--line2)}
.opt-step.done b{background:var(--gold);color:#08060C}
.opt-step.active{color:var(--ink);border-color:var(--gold-d);box-shadow:0 0 0 1px rgba(240,198,116,.25)}
.opt-step.active b{background:var(--grad);color:#fff}
.opt-step:disabled{opacity:.4;cursor:not-allowed}

.opt-app{display:grid;grid-template-columns:minmax(300px,380px) 1fr;gap:22px;align-items:start;padding:26px 0 70px}
@media(max-width:900px){.opt-app{grid-template-columns:1fr;padding-bottom:90px}}

.opt-panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:20px}
.opt-panel h2{font-size:1.25rem;margin-bottom:6px}
.opt-panel .opt-sub{color:var(--dim);font-size:.85rem;margin-bottom:16px;line-height:1.6}

.opt-drop{border:1.5px dashed var(--line2);border-radius:8px;padding:30px 18px;text-align:center;cursor:pointer;transition:.2s}
.opt-drop:hover,.opt-drop.drag{border-color:var(--gold-d);background:rgba(240,198,116,.05)}
.opt-drop svg{opacity:.6;margin-bottom:10px}
.opt-drop p{font-size:.88rem;color:var(--dim)}
.opt-drop b{color:var(--ink)}
.opt-drop small{display:block;margin-top:6px;color:var(--dim2);font-size:.72rem}

.opt-src-wrap{margin-top:16px;display:none}
.opt-src-wrap.show{display:block}
.opt-src-wrap canvas{width:100%;max-height:220px;object-fit:contain;border-radius:6px;background:
 repeating-conic-gradient(#1c1626 0% 25%,#161020 0% 50%) 50%/16px 16px}

.opt-row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:.84rem}
.opt-row label{color:var(--ink)}
.opt-toggle{position:relative;width:38px;height:22px;flex:none}
.opt-toggle input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0;z-index:1}
.opt-toggle i{position:absolute;inset:0;background:var(--line2);border-radius:100px;transition:.2s}
.opt-toggle i::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--dim);transition:.2s}
.opt-toggle input:checked+i{background:var(--gold-d)}
.opt-toggle input:checked+i::after{transform:translateX(16px);background:var(--gold)}

.opt-range{width:100%;margin-top:8px;accent-color:var(--gold)}
input[type=color].opt-color{width:40px;height:32px;border:1px solid var(--line2);border-radius:6px;background:none;padding:2px;cursor:pointer}
.opt-status{font-size:.8rem;margin-top:12px;padding:10px 12px;border-radius:6px;display:none}
.opt-status.show{display:block}
.opt-status.err{background:rgba(255,61,61,.1);color:#ff8080;border:1px solid rgba(255,61,61,.25)}
.opt-status.ok{background:rgba(61,255,138,.08);color:#8ef0b3;border:1px solid rgba(61,255,138,.2)}
.opt-status.busy{background:rgba(240,198,116,.08);color:var(--gold);border:1px solid rgba(240,198,116,.2)}

.opt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:4px}
.opt-tile{border:1px solid var(--line2);background:var(--panel2);border-radius:6px;padding:13px 10px;text-align:left;
 cursor:pointer;transition:.2s;color:var(--dim)}
.opt-tile:hover{border-color:var(--gold-d)}
.opt-tile.on{border-color:var(--gold);background:rgba(240,198,116,.08);color:var(--ink)}
.opt-tile b{display:block;font-family:var(--serif);font-size:1rem;font-weight:400;color:var(--ink);margin-bottom:2px}
.opt-tile span{font-size:.72rem;line-height:1.5}

.opt-swatch-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.opt-swatch{border:1px solid var(--line2);background:var(--panel2);border-radius:100px;padding:7px 13px;
 font-size:.74rem;color:var(--dim);cursor:pointer;transition:.2s}
.opt-swatch:hover{border-color:var(--gold-d)}
.opt-swatch.on{border-color:var(--gold);background:rgba(240,198,116,.1);color:var(--ink)}

.opt-lightdots{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.opt-dot{width:26px;height:26px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:.2s;padding:0}
.opt-dot.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--bg),0 0 10px rgba(240,198,116,.5)}

.opt-field{margin-top:14px}
.opt-field label{display:block;font-size:.76rem;color:var(--dim);margin-bottom:5px}
.opt-field input,.opt-field textarea{width:100%;background:var(--panel2);border:1px solid var(--line2);border-radius:6px;
 color:var(--ink);font-family:var(--sans);font-size:.9rem;padding:10px 11px}
.opt-field textarea{resize:vertical;min-height:64px}
.opt-dims{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt-hint{font-size:.72rem;color:var(--dim2);margin-top:5px}

.opt-btns{display:flex;gap:10px;margin-top:20px}
.opt-btn{flex:1;text-align:center;font-family:var(--sans);font-size:.82rem;font-weight:600;letter-spacing:.02em;
 padding:12px 14px;border-radius:6px;border:1px solid var(--line2);background:var(--panel2);color:var(--ink);cursor:pointer;transition:.2s}
.opt-btn:hover{border-color:var(--gold-d)}
.opt-btn.pri{background:var(--grad);border:none;color:#fff}
.opt-btn.pri:hover{filter:brightness(1.08)}
.opt-btn:disabled{opacity:.4;cursor:not-allowed;filter:none}
.opt-btn.wide{flex:none;width:100%}

.opt-viewer{position:sticky;top:14px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
 overflow:hidden;aspect-ratio:4/3}
@media(max-width:900px){.opt-viewer{position:relative;top:auto;aspect-ratio:4/3;order:-1}}
.opt-viewer-inner{position:absolute;inset:0}
#optWallImg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
#optWallImg.show{display:block}
#optCanvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
.opt-viewer-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;
 gap:10px;color:var(--dim2);font-size:.85rem;text-align:center;padding:0 30px}
.opt-viewer-empty svg{opacity:.4}
.opt-loading{position:absolute;inset:0;background:rgba(8,6,12,.72);backdrop-filter:blur(3px);display:none;
 align-items:center;justify-content:center;flex-direction:column;gap:12px;z-index:5}
.opt-loading.show{display:flex}
.opt-spinner{width:34px;height:34px;border-radius:50%;border:2.5px solid var(--line2);border-top-color:var(--gold);
 animation:optspin .8s linear infinite}
@keyframes optspin{to{transform:rotate(360deg)}}
.opt-loading span{font-size:.8rem;color:var(--dim)}

.opt-viewbar{position:absolute;left:12px;bottom:12px;display:flex;gap:6px;z-index:4}
.opt-viewbar button{width:34px;height:34px;border-radius:6px;background:rgba(20,16,32,.85);border:1px solid var(--line2);
 color:var(--dim);font-size:.62rem;cursor:pointer;transition:.2s}
.opt-viewbar button:hover{color:var(--ink);border-color:var(--gold-d)}
.opt-stats{position:absolute;right:12px;top:12px;background:rgba(20,16,32,.85);border:1px solid var(--line2);
 border-radius:6px;padding:9px 12px;font-size:.68rem;color:var(--dim);line-height:1.7;z-index:4;display:none}
.opt-stats.show{display:block}
.opt-stats b{color:var(--ink)}

.opt-export-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.opt-export-row .opt-btn{font-size:.72rem;padding:10px 6px}

.opt-fallback{max-width:520px;margin:60px auto;text-align:center;padding:0 20px}
.opt-fallback svg{opacity:.5;margin-bottom:18px}
.opt-fallback p{color:var(--dim);margin:12px 0 20px}

/* --- v29: Photo → 3D figure mode --- */
.opt-modes{display:inline-flex;gap:4px;margin-top:30px;padding:4px;border:1px solid var(--line2);border-radius:100px;background:var(--panel)}
.opt-mode{padding:11px 20px;border-radius:100px;font-size:.84rem;font-weight:600;color:var(--dim);transition:background-color .3s,color .3s}
.opt-mode:hover{color:var(--ink)}
.opt-mode.on{background:var(--ink);color:var(--bg)}
@media(max-width:480px){.opt-modes{display:flex}.opt-mode{flex:1;padding:11px 10px;font-size:.78rem}}
.fig-preview{display:block;width:100%;max-height:260px;object-fit:contain;margin-top:14px;border-radius:6px;background:var(--panel2)}
.fig-tips{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.fig-tips li{font-size:.72rem;color:var(--dim);border:1px solid var(--line2);border-radius:100px;padding:5px 11px}
.fig-go{width:100%;margin-top:18px}
.fig-progress{margin-top:18px}
.fig-bar{height:6px;border-radius:6px;background:var(--panel2);overflow:hidden}
.fig-bar i{display:block;height:100%;width:4%;background:var(--grad);border-radius:6px;transition:width .8s ease}
.fig-progress p{margin-top:10px;font-size:.84rem;color:var(--dim)}
.fig-quote{margin-top:22px;border-top:1px solid var(--line);padding-top:18px}
.fig-quote h3{font-family:var(--serif);font-size:1.4rem;font-weight:400}
.fig-quote .opt-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:start;margin-top:0}
.fig-quote .opt-field{display:block}
.fig-quote .opt-field span{display:block;font-size:.76rem;color:var(--dim);margin-bottom:5px}
.fig-quote select,.fig-quote input,.fig-quote textarea{width:100%;background:var(--panel2);border:1px solid var(--line2);border-radius:6px;color:var(--ink);font:inherit;font-size:.9rem;padding:10px 12px}
.fig-quote textarea{resize:vertical;min-height:64px}
.opt-viewer .fig-thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;z-index:1;background:var(--panel)}
.opt-hero{padding-top:clamp(120px,14vw,170px)!important}
/* phones: don't spend half the screen on an empty viewer — show it once there's a model */
@media(max-width:900px){.opt-app:has(#optViewerEmpty:not([style*="none"])) .opt-viewer{display:none}}

/* === v31 luxe 3D studio (matches the Design Studio) ======================== */
.opt-app{--glow:#B05CFF;grid-template-columns:minmax(320px,410px) 1fr;gap:clamp(20px,2.6vw,34px)}
.opt-beta{background:linear-gradient(100deg,#FF3FD2,#B05CFF,#3DB4FF);color:#fff}
/* mode switch + steps */
.opt-modes{background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);padding:5px}
.opt-mode{color:#BDB6CC}
.opt-mode.on{color:#fff;background:linear-gradient(100deg,rgba(255,63,210,.34),rgba(176,92,255,.34),rgba(61,180,255,.34));box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 6px 24px -10px #B05CFF}
.opt-step{background:rgba(255,255,255,.035);border-color:rgba(255,255,255,.09);color:#A9A2B8}
.opt-step b{background:rgba(255,255,255,.08);color:#CFC8DD;font-family:var(--mono);font-weight:500}
.opt-step.done b{background:linear-gradient(100deg,#FF3FD2,#B05CFF);color:#fff}
.opt-step.active{border-color:var(--glow);color:#fff;box-shadow:0 0 0 1px var(--glow),0 0 24px -8px var(--glow)}
.opt-step.active b{background:linear-gradient(100deg,#FF3FD2,#B05CFF,#3DB4FF)}
/* glass panels */
.opt-panel{border-radius:20px;border:1px solid rgba(255,255,255,.08);padding:clamp(20px,2.4vw,26px);
 background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012) 40%),#0D0A14;
 box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 30px 80px -50px rgba(0,0,0,.9)}
.opt-panel h2{font-size:clamp(1.4rem,2vw,1.7rem)}
.opt-panel .opt-sub{color:var(--dim2);font-size:.84rem}
/* upload zone */
.opt-drop{position:relative;border:1.5px dashed rgba(255,255,255,.16);border-radius:18px;padding:30px 18px;background:radial-gradient(120% 90% at 50% 0%,rgba(176,92,255,.10),transparent 60%)}
.opt-drop:hover,.opt-drop.drag{border-color:var(--glow);background:radial-gradient(120% 90% at 50% 0%,rgba(176,92,255,.2),transparent 60%);box-shadow:0 0 30px -12px var(--glow)}
.opt-drop svg{opacity:1;color:#fff;width:54px;height:54px;padding:13px;border-radius:50%;margin-bottom:14px;
 background:linear-gradient(135deg,rgba(255,63,210,.35),rgba(61,180,255,.35));box-shadow:0 0 26px -6px var(--glow)}
.opt-drop b{font-family:var(--serif);font-weight:400;font-size:1.25rem;color:#F4EEE4}
.fig-preview,.opt-src-wrap canvas{border-radius:14px}
.fig-tips li{border-color:rgba(255,255,255,.1);background:rgba(255,255,255,.03);color:#BDB6CC}
.fig-tips li::before{content:"\2713";margin-right:6px;color:#B05CFF}
/* buttons */
.opt-btn{border-radius:100px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#E9E3F2;padding:13px 16px}
.opt-btn:hover{border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.07)}
.opt-btn.pri{position:relative;isolation:isolate;overflow:hidden;min-height:54px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.8rem;
 background:linear-gradient(100deg,#FF3FD2,#B05CFF 52%,#3DB4FF);box-shadow:0 16px 44px -14px var(--glow),inset 0 1px 0 rgba(255,255,255,.35)}
.opt-btn.pri::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);animation:optshine 3.6s ease-in-out infinite}
@keyframes optshine{0%,60%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.opt-btn.pri:hover{filter:none;transform:translateY(-1px)}
.opt-btn.pri:disabled{opacity:.38;box-shadow:none;transform:none}
.opt-btn.pri:disabled::after{animation:none}
/* progress */
.fig-bar{height:8px;background:rgba(255,255,255,.06)}
.fig-bar i{background:linear-gradient(90deg,#FF3FD2,#B05CFF,#3DB4FF,#FF3FD2);background-size:200% 100%;animation:barflow 2.4s linear infinite;box-shadow:0 0 14px var(--glow)}
@keyframes barflow{to{background-position:-200% 0}}
/* fields, toggles, tiles */
.opt-field input,.opt-field textarea,.fig-quote select,.fig-quote input,.fig-quote textarea{border-radius:14px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.035);padding:12px 14px;transition:border-color .25s,box-shadow .25s}
.opt-field input:focus,.opt-field textarea:focus,.fig-quote select:focus,.fig-quote input:focus,.fig-quote textarea:focus{outline:none;border-color:var(--glow);box-shadow:0 0 0 4px rgba(176,92,255,.22)}
.fig-quote{border-top-color:rgba(255,255,255,.08)}
.fig-quote h3{font-size:1.6rem}
.opt-toggle input:checked+i{background:linear-gradient(100deg,#FF3FD2,#B05CFF)}
.opt-toggle input:checked+i::after{background:#fff;box-shadow:0 0 10px rgba(255,255,255,.6)}
.opt-range{accent-color:#B05CFF}
.opt-tile,.opt-swatch{border-color:rgba(255,255,255,.1);background:rgba(255,255,255,.03);border-radius:14px}
.opt-swatch{border-radius:100px}
.opt-tile:hover,.opt-swatch:hover{border-color:rgba(255,255,255,.28)}
.opt-tile.on,.opt-swatch.on{border-color:var(--glow);background:rgba(176,92,255,.13);color:#fff;box-shadow:0 0 0 1px var(--glow),0 0 24px -8px var(--glow)}
.opt-dot.on{border-color:#fff;box-shadow:0 0 0 2px #0B0812,0 0 14px rgba(176,92,255,.7)}
.opt-status.busy{background:rgba(176,92,255,.1);color:#D6B8FF;border-color:rgba(176,92,255,.3)}
.opt-spinner{border-top-color:#B05CFF}
/* the viewer: gradient frame, studio backdrop */
.opt-viewer{top:calc(var(--hdr-h,80px) + 18px);border-radius:20px;border:1px solid transparent;
 background:radial-gradient(70% 60% at 50% 38%,#2A1A45 0%,#130D20 55%,#0A0710 100%) padding-box,
            linear-gradient(125deg,rgba(255,63,210,.75),rgba(176,92,255,.55) 40%,rgba(61,180,255,.7)) border-box;
 box-shadow:0 40px 100px -46px var(--glow),0 0 70px -34px var(--glow)}
.opt-viewer-inner::before{content:"";position:absolute;left:10%;right:10%;bottom:6%;height:22%;border-radius:50%;pointer-events:none;
 background:radial-gradient(closest-side,rgba(176,92,255,.38),transparent);filter:blur(8px)}
.opt-viewer .fig-thumb{background:transparent}
.opt-viewer-empty{gap:22px;color:#BDB6CC;flex-direction:column;padding:28px}
.ve-card{position:relative;margin:0;height:62%;aspect-ratio:760/1100;border-radius:16px;overflow:hidden;
 box-shadow:0 0 0 1px rgba(255,255,255,.12),0 24px 60px -20px rgba(176,92,255,.7)}
.ve-card video{width:100%;height:100%;object-fit:cover;display:block}
.ve-card figcaption{position:absolute;left:10px;bottom:10px;padding:5px 10px;border-radius:100px;background:rgba(8,6,12,.6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
 font-family:var(--mono);font-size:.54rem;letter-spacing:.14em;text-transform:uppercase;color:#F4EEE4}
.ve-txt{display:flex;flex-direction:column;gap:6px;align-items:center}
.ve-txt b{font-family:var(--serif);font-weight:400;font-size:clamp(1.3rem,2vw,1.7rem);color:#F4EEE4}
.ve-txt span{font-size:.8rem;color:var(--dim2)}
.opt-viewbar button,.opt-stats{background:rgba(8,6,12,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-color:rgba(255,255,255,.14);border-radius:100px}
.opt-stats{border-radius:14px}
.opt-viewbar button{width:36px;height:36px;color:#E9E3F2}
.opt-viewbar button:hover{border-color:var(--glow);box-shadow:0 0 14px -2px var(--glow)}
.rot-hint{position:absolute;right:12px;bottom:14px;z-index:4;display:none;align-items:center;gap:6px;padding:6px 11px;border-radius:100px;
 background:rgba(8,6,12,.55);border:1px solid rgba(255,255,255,.12);font-family:var(--mono);font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:#E9E3F2}
.rot-hint::before{content:"\21BB";font-size:.9rem;font-family:var(--sans)}
.opt-viewbar:not([hidden]) ~ .rot-hint{display:inline-flex}
@media(prefers-reduced-motion:reduce){.opt-btn.pri::after,.fig-bar i{animation:none}}
@media(max-width:900px){
 /* phones: while empty, the viewer is a short showcase banner instead of disappearing */
 .opt-app:has(#optViewerEmpty:not([style*="none"])) .opt-viewer{display:block;aspect-ratio:16/9}
 .opt-viewer-empty{flex-direction:row;justify-content:flex-start;gap:16px;padding:14px 16px;text-align:left}
 .ve-card{height:100%}
 .ve-txt{align-items:flex-start}
 .ve-txt b{font-size:1.2rem}
 .ve-txt span{font-size:.74rem}
}
@media(max-width:560px){.opt-panel{border-radius:18px;padding:20px 16px}.opt-viewer{border-radius:16px}}
.opt-drop svg{display:block;margin:0 auto 14px}
@media(max-width:900px){.opt-app{grid-template-columns:1fr}}
@media(max-width:900px){.opt-viewer{top:auto}}
@media(max-width:560px){.rot-hint{left:12px;right:auto;top:12px;bottom:auto}}
@media(max-width:900px){.opt-app>div:first-child{position:relative;z-index:1}}
@media(max-width:560px){.opt-viewbar:not([hidden]) ~ .rot-hint{display:none}}