/* Pixel3DLab v17 — browser-only 3D model viewer */
.pxh-model-viewer-page{width:100%;min-width:0;color:var(--text-main)}
.pxh-model-viewer-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 22px}
.pxh-model-viewer-heading h1{margin:6px 0 8px;letter-spacing:-.035em}
.pxh-model-viewer-heading p{max-width:760px;margin:0;line-height:1.65}
.pxh-model-viewer-workspace{display:grid;grid-template-columns:minmax(250px,320px) minmax(0,1fr);gap:18px;align-items:stretch}
.pxh-model-viewer-upload,.pxh-model-viewer-preview{min-width:0;border:1px solid var(--border-color,rgba(125,139,158,.3));border-radius:18px;background:var(--card-bg,rgba(255,255,255,.72));box-shadow:0 8px 26px rgba(20,35,55,.06);overflow:hidden}
.pxh-model-viewer-upload{padding:22px;align-self:start}
.pxh-model-viewer-upload-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:15px;border:1px solid rgba(71,140,210,.25);border-radius:14px;background:rgba(71,140,210,.09);color:var(--pl-accent,#438ecb)}
.pxh-model-viewer-upload-icon svg{width:25px;height:25px}
.pxh-model-viewer-upload h2{margin:0 0 8px;font-size:19px;letter-spacing:-.02em}
.pxh-model-viewer-upload p{margin:0 0 16px;color:var(--text-muted);font-size:13px;line-height:1.65}
.pxh-model-viewer-upload>small{display:block;margin:12px 0;color:var(--text-muted);font-size:11px;line-height:1.6}
.pxh-model-viewer-dropzone{display:flex;min-height:100px;flex-direction:column;align-items:center;justify-content:center;gap:8px;margin-top:17px;padding:14px;border:1px dashed rgba(92,127,166,.55);border-radius:13px;background:rgba(111,145,181,.055);color:var(--text-muted);font-size:12px;text-align:center;cursor:pointer;transition:background .15s ease,border-color .15s ease}
.pxh-model-viewer-dropzone svg{width:22px;height:22px;color:var(--pl-accent,#438ecb)}
.pxh-model-viewer-dropzone:hover,.pxh-model-viewer-dropzone:focus-visible,.pxh-model-viewer-dropzone.is-dragover{border-color:var(--pl-accent,#438ecb);background:rgba(71,140,210,.12);outline:none}
.pxh-model-viewer-file-info{margin-top:14px;padding:10px 12px;border:1px solid var(--border-color);border-radius:10px;background:var(--hover-bg,rgba(120,140,160,.08));font-size:12px;line-height:1.5;overflow-wrap:anywhere}
.pxh-model-viewer-file-info strong{display:block;margin-bottom:4px;color:var(--text-main)}
.pxh-model-viewer-note{display:flex;align-items:flex-start;gap:8px;margin-top:16px;padding:11px;border-radius:10px;background:rgba(123,137,155,.08);color:var(--text-muted);font-size:11px;line-height:1.55}
.pxh-model-viewer-note svg{width:15px;height:15px;flex:0 0 15px;margin-top:1px}
.pxh-model-viewer-preview{display:flex;flex-direction:column;min-height:560px;background:#171c24;color:#e7edf5;border-color:#343b47}
.pxh-model-viewer-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:68px;padding:13px 16px;border-bottom:1px solid #343b47;background:rgba(28,34,44,.94)}
.pxh-model-viewer-toolbar>div:first-child{min-width:0}
.pxh-model-viewer-toolbar strong,.pxh-model-viewer-toolbar small{display:block;overflow-wrap:anywhere}
.pxh-model-viewer-toolbar strong{font-size:13px;font-weight:750;color:#f1f5f9}
.pxh-model-viewer-toolbar small{margin-top:4px;font-size:11px;color:#aab6c5}
.pxh-model-viewer-tools{display:flex;align-items:center;justify-content:flex-end;gap:6px;flex-wrap:wrap}
.pxh-model-viewer-tools button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:7px 9px;border:1px solid #46505f;border-radius:9px;background:#242b36;color:#cbd5e1;font:inherit;font-size:11px;cursor:pointer;transition:background .15s ease,border-color .15s ease}
.pxh-model-viewer-tools button svg{width:15px;height:15px}
.pxh-model-viewer-tools button:hover,.pxh-model-viewer-tools button[aria-pressed="true"]{background:#303a48;border-color:#718197;color:#fff}
.pxh-model-viewer-stage{position:relative;flex:1;min-height:430px;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#28313e 0%,#1c222b 62%,#171c24 100%);touch-action:pan-y}
.pxh-model-viewer-stage canvas{display:block;width:100%;height:100%;outline:none;touch-action:none}
.pxh-model-viewer-placeholder,.pxh-model-viewer-loading,.pxh-model-viewer-error{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;text-align:center;pointer-events:none}
.pxh-model-viewer-placeholder[hidden],.pxh-model-viewer-loading[hidden],.pxh-model-viewer-error[hidden],.pxh-model-viewer-file-info[hidden]{display:none}
.pxh-model-viewer-placeholder>span{display:grid;place-items:center;width:68px;height:68px;margin-bottom:18px;border:1px solid #4a586b;border-radius:20px;background:rgba(125,146,170,.08);color:#99b2cd}
.pxh-model-viewer-placeholder>span svg{width:32px;height:32px}
.pxh-model-viewer-placeholder strong,.pxh-model-viewer-loading strong{font-size:15px;color:#e8eef6}
.pxh-model-viewer-placeholder p{max-width:360px;margin:8px 0 0;color:#a4b1c1;font-size:12px;line-height:1.6}
.pxh-model-viewer-loading{z-index:3;gap:12px;background:rgba(18,23,31,.68);backdrop-filter:blur(5px)}
.pxh-model-spinner{width:30px;height:30px;border:3px solid #536275;border-top-color:#a5c6e8;border-radius:50%;animation:pxh-model-spin .8s linear infinite}
@keyframes pxh-model-spin{to{transform:rotate(360deg)}}
.pxh-model-viewer-error{z-index:4;color:#fecaca;background:rgba(45,20,24,.9);font-size:13px;line-height:1.6}
.pxh-model-viewer-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:11px 15px;border-top:1px solid #343b47;background:#1d232d;color:#aab6c5;font-size:10px}
.pxh-model-viewer-footer span{display:inline-flex;align-items:center;gap:5px}
.pxh-model-viewer-footer svg{width:13px;height:13px}
.pxh-model-viewer-preview:fullscreen{width:100vw;height:100vh;min-height:100vh;border:0;border-radius:0;box-sizing:border-box}
.pxh-model-viewer-preview:fullscreen .pxh-model-viewer-stage{min-height:0}
.pxh-model-viewer-preview:fullscreen .pxh-model-viewer-toolbar{padding:16px 22px}
.pxh-model-viewer-preview:fullscreen .pxh-model-viewer-footer{padding:13px 22px}
.pxh-model-viewer-page .pxh-button{gap:8px}
.pxh-model-viewer-page .pxh-button svg{width:16px;height:16px}
@media(max-width:980px){.pxh-model-viewer-workspace{grid-template-columns:minmax(0,1fr)}.pxh-model-viewer-upload{order:1}.pxh-model-viewer-preview{order:0;min-height:490px}.pxh-model-viewer-stage{min-height:380px}}
@media(max-width:640px){.pxh-model-viewer-heading{align-items:flex-start;flex-direction:column;gap:12px}.pxh-model-viewer-heading>.pxh-button{align-self:flex-start}.pxh-model-viewer-upload{padding:17px}.pxh-model-viewer-preview{min-height:440px;border-radius:14px}.pxh-model-viewer-toolbar{align-items:flex-start;flex-direction:column;padding:12px}.pxh-model-viewer-tools{width:100%;justify-content:flex-start}.pxh-model-viewer-tools button{flex:1;min-width:72px;padding:8px 6px}.pxh-model-viewer-tools button span{font-size:10px}.pxh-model-viewer-stage{min-height:340px}.pxh-model-viewer-footer{justify-content:flex-start;gap:8px 14px}.pxh-model-viewer-footer span{font-size:10px}}
@media(prefers-reduced-motion:reduce){.pxh-model-spinner{animation:none}.pxh-model-viewer-dropzone,.pxh-model-viewer-tools button{transition:none}}

/* CSS fullscreen fallback for mobile browsers without Fullscreen API support. */
.pxh-model-viewer-preview.is-css-fullscreen{position:fixed!important;inset:0!important;z-index:99999!important;width:100vw!important;height:100vh!important;height:100dvh!important;max-height:none!important;min-height:100vh!important;min-height:100dvh!important;margin:0!important;border:0!important;border-radius:0!important;box-sizing:border-box!important}
.pxh-model-viewer-preview.is-css-fullscreen .pxh-model-viewer-stage{flex:1 1 auto;min-height:0!important;height:auto}
.pxh-model-viewer-preview.is-css-fullscreen .pxh-model-viewer-toolbar{padding-top:max(14px,env(safe-area-inset-top));padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
.pxh-model-viewer-preview.is-css-fullscreen .pxh-model-viewer-footer{padding-bottom:max(12px,env(safe-area-inset-bottom))}


/* v18: robust layout if legacy global styles exist. */
.pxh-model-viewer-page,.pxh-model-viewer-page *{box-sizing:border-box}
.pxh-model-viewer-page{display:block;isolation:isolate}
.pxh-model-viewer-workspace{display:grid!important;grid-template-columns:minmax(250px,320px) minmax(0,1fr)!important;gap:18px!important;width:100%}
.pxh-model-viewer-upload,.pxh-model-viewer-preview{min-width:0!important}
.pxh-model-viewer-upload button[data-pxh-model-browse]{position:relative;z-index:2;pointer-events:auto}
.pxh-model-viewer-dropzone{position:relative;z-index:2;pointer-events:auto}
.pxh-model-viewer-stage{width:100%;min-width:0}
@media(max-width:980px){.pxh-model-viewer-workspace{grid-template-columns:minmax(0,1fr)!important}.pxh-model-viewer-preview{order:0}.pxh-model-viewer-upload{order:1}}


/* Pixel3DLab v19 — local, non-binding 3D print cost estimator */
.pxh-model-estimator[hidden] { display: none !important; }
.pxh-model-estimator { margin-top: 18px; padding: 22px; border: 1px solid var(--border-color,rgba(125,139,158,.3)); border-radius: 18px; background: var(--card-bg,rgba(255,255,255,.72)); color: var(--text-main); box-shadow: 0 8px 26px rgba(20,35,55,.05); }
.pxh-model-estimator-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:16px; margin-bottom:18px; }
.pxh-model-estimator-heading h2 { margin:5px 0 6px; font-size:21px; letter-spacing:-.025em; }
.pxh-model-estimator-heading p { margin:0; color:var(--text-muted); font-size:13px; line-height:1.55; }
.pxh-model-estimator-status { display:inline-flex; gap:7px; align-items:center; flex:0 0 auto; padding:7px 10px; border:1px solid rgba(91,129,158,.24); border-radius:999px; color:var(--text-muted); background:rgba(112,142,167,.08); font-size:11px; }
.pxh-model-estimator-status svg { width:14px;height:14px; }
.pxh-model-estimator-layout { display:grid; grid-template-columns:minmax(230px,.82fr) minmax(0,1.18fr); gap:18px; align-items:start; }
.pxh-model-estimator-controls { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
.pxh-estimate-field { display:grid; gap:7px; min-width:0; }
.pxh-estimate-field label { font-size:12px; font-weight:750; }
.pxh-estimate-field select,.pxh-estimate-field input[type=number] { width:100%; min-width:0; min-height:40px; padding:8px 10px; border:1px solid var(--border-color,#c8d0d9); border-radius:10px; background:var(--input-bg,rgba(255,255,255,.8)); color:var(--text-main); font:inherit; font-size:13px; }
.pxh-estimate-field small { color:var(--text-muted); font-size:10px; line-height:1.45; }
.pxh-estimate-infill { grid-column:1/-1; }
.pxh-estimate-infill label { display:flex; justify-content:space-between; align-items:center; }
.pxh-estimate-infill label strong { color:var(--text-main); font-variant-numeric:tabular-nums; }
.pxh-estimate-infill input[type=range] { width:100%; accent-color:#6485a3; }
.pxh-estimate-range-labels { display:flex; justify-content:space-between; color:var(--text-muted); font-size:10px; }
.pxh-model-estimator-results { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px; }
.pxh-estimate-metric { display:grid; gap:6px; min-width:0; padding:12px; border:1px solid var(--border-color,rgba(125,139,158,.28)); border-radius:12px; background:rgba(120,140,160,.055); }
.pxh-estimate-metric span { display:flex; align-items:center; gap:6px; color:var(--text-muted); font-size:11px; }
.pxh-estimate-metric span svg { width:14px;height:14px; flex:0 0 14px; }
.pxh-estimate-metric strong { overflow-wrap:anywhere; font-size:14px; font-weight:750; line-height:1.35; }
.pxh-estimate-price,.pxh-estimate-total { grid-column:1/-1; display:flex; align-items:center; justify-content:space-between; gap:12px; padding:13px 14px; border:1px solid rgba(91,129,158,.24); border-radius:12px; background:rgba(112,142,167,.08); }
.pxh-estimate-price > span,.pxh-estimate-total > span { font-size:12px; font-weight:700; }
.pxh-estimate-price strong,.pxh-estimate-total strong { font-size:20px; font-weight:800; font-variant-numeric:tabular-nums; text-align:right; }
.pxh-estimate-price { flex-wrap:wrap; }
.pxh-estimate-price small { flex:1 0 100%; margin-top:-5px; color:var(--text-muted); font-size:10px; }
.pxh-estimate-total { border-color:rgba(84,133,107,.27); background:rgba(105,166,129,.09); }
.pxh-estimate-transfer { grid-column:1/-1; justify-content:center; width:100%; margin-top:2px; }
.pxh-model-estimator-disclaimer { display:flex; align-items:flex-start; gap:9px; margin:16px 0 0; padding:12px 13px; border:1px solid rgba(159,137,89,.24); border-radius:11px; background:rgba(159,137,89,.07); color:var(--text-muted); font-size:11px; line-height:1.6; }
.pxh-model-estimator-disclaimer svg { width:16px;height:16px; flex:0 0 16px; margin-top:1px; }
[data-theme=dark] .pxh-model-estimator { background:rgba(29,31,34,.9); border-color:#41454b; box-shadow:0 3px 12px rgba(0,0,0,.12); }
[data-theme=dark] .pxh-estimate-field select,[data-theme=dark] .pxh-estimate-field input[type=number] { background:#25282c; border-color:#494d53; color:#eceef0; }
[data-theme=dark] .pxh-estimate-metric { background:rgba(255,255,255,.025); border-color:#41454b; }
@media(max-width:820px) { .pxh-model-estimator-layout { grid-template-columns:minmax(0,1fr); } }
@media(max-width:560px) { .pxh-model-estimator { padding:15px; border-radius:14px; } .pxh-model-estimator-heading { flex-direction:column; gap:10px; } .pxh-model-estimator-heading h2 { font-size:19px; } .pxh-model-estimator-controls { grid-template-columns:minmax(0,1fr); } .pxh-estimate-infill { grid-column:1; } .pxh-model-estimator-results { grid-template-columns:minmax(0,1fr); } .pxh-estimate-price,.pxh-estimate-total,.pxh-estimate-transfer { grid-column:1; } }