:root{color-scheme:dark;--blue:#4dc6ff;--navy:#0f3973;--white:#feffff;--gray:#a4a9b2;--border:rgba(77,198,255,.18);font-family:'Barlow','Myriad Pro','Trebuchet MS',sans-serif;color:var(--white);background:#000}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse 90% 55% at 50% -5%,rgba(15,57,115,.32),transparent 65%)}
.wrapper{max-width:1200px;margin:auto;padding:48px 40px 32px}header{margin-bottom:36px}.eyebrow{font-size:.7rem;font-weight:700;letter-spacing:.22em;color:var(--blue);margin-bottom:18px}h1{font-size:clamp(2rem,4.5vw,3rem);line-height:1.08;letter-spacing:-.04em;margin:0 0 12px}h1 span{color:var(--blue)}.intro{font-size:1.15rem;margin:0 0 9px}.description{max-width:720px;color:var(--gray);font-size:.9rem;line-height:1.7;margin:0}
.workspace{display:grid;grid-template-columns:minmax(290px,.85fr) minmax(0,1.15fr);gap:32px}.settings,.preview-panel{min-width:0}.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--blue);font-size:.69rem;font-weight:700;letter-spacing:.15em;min-height:26px;margin-bottom:12px}.section-head:after{content:'';height:1px;background:var(--border);flex:1}.section-head .badge{order:1;letter-spacing:0;font-weight:400;border:1px solid var(--border);border-radius:5px;padding:3px 8px}
.dropzone{border:1px dashed rgba(77,198,255,.4);border-radius:12px;background:rgba(15,57,115,.13);padding:26px 15px;display:flex;align-items:center;text-align:center;flex-direction:column;gap:10px;margin-bottom:16px;transition:background .15s,border-color .15s}.dropzone.dragover{background:rgba(77,198,255,.14);border-color:var(--blue)}.dropzone svg{color:var(--blue);margin-bottom:2px}.dropzone strong{font-size:1rem}.dropzone>span{font-size:.75rem;color:var(--gray)}
.button{font:inherit;display:inline-flex;align-items:center;justify-content:center;gap:18px;text-decoration:none;border-radius:7px;border:1px solid var(--border);padding:12px 18px;font-size:.83rem;font-weight:600;cursor:pointer;min-height:44px;transition:background .15s}.secondary{color:var(--blue);background:rgba(15,57,115,.35)}.secondary:hover:enabled,.file-picker:hover{background:rgba(77,198,255,.15)}.primary{background:var(--blue);color:#00101a;border-color:var(--blue);width:100%}.primary:hover:enabled{background:#82d7ff}button:disabled{opacity:.4;cursor:default}.file-picker{position:relative;overflow:hidden;margin-top:4px}.file-picker input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.file-picker:focus-within,button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.dropzone.busy{opacity:.5}.dropzone.busy .file-picker{pointer-events:none}.file-info{padding:14px 16px;background:rgba(15,57,115,.13);border:1px solid var(--border);border-radius:8px;margin-bottom:24px;overflow-wrap:anywhere}.file-info strong{display:block;font-size:.87rem}.file-info span{display:block;color:var(--gray);font-size:.75rem;margin-top:5px}
fieldset{padding:0;border:0;margin:0 0 18px;min-width:0}label:not(.file-picker){display:block;color:var(--white);font-size:.8rem;margin-bottom:8px}select{font:inherit;width:100%;min-height:44px;border:1px solid var(--border);border-radius:7px;background:#081224;color:var(--white);padding:10px;font-size:.8rem}select:disabled{opacity:.5}.hint{font-size:.73rem;color:var(--gray);line-height:1.6;margin:8px 0 18px}.hint:last-child{margin-bottom:0}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:12px}.privacy{font-size:.72rem;color:var(--gray);line-height:1.7;margin:18px 0 0}.privacy span{color:var(--blue);font-size:.55rem;margin-right:4px}.notice{border-left:2px solid var(--blue);background:rgba(77,198,255,.06);padding:10px 12px;color:#c7d7e7;font-size:.76rem;line-height:1.6}
#status{font-size:.8rem;line-height:1.6;color:var(--gray);margin:12px 0;overflow-wrap:anywhere}#status.error{color:#ffaca6}#cancel{width:100%;margin-top:8px}.progress-block{margin-top:16px}progress{width:100%;height:6px;display:block;accent-color:var(--blue)}progress::-webkit-progress-bar{background:#10213a;border-radius:5px}progress::-webkit-progress-value{background:var(--blue);border-radius:5px}
.preview-panel{background:rgba(15,57,115,.09);border:1px solid var(--border);border-radius:12px;padding:20px;align-self:start;position:sticky;top:24px}.preview-panel .section-head{margin-bottom:22px}.preview-area{min-height:310px;display:flex;align-items:center;justify-content:center;padding:20px 0}.slide{aspect-ratio:16/9;background:#101c2b;position:relative;width:100%;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid rgba(255,255,255,.12);box-shadow:0 18px 50px #0008}.slide p{text-align:center;font-size:.8rem;color:var(--gray);padding:16px}.slide canvas{position:absolute;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.page-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}.page-nav span{font-size:.76rem;color:var(--gray)}.square{padding:8px;width:44px}.preview-note{text-align:center;color:var(--gray);font-size:.72rem;line-height:1.6;margin-top:20px}
footer{border-top:1px solid var(--border);margin-top:40px;padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:16px}.brand span{font-size:.7rem;letter-spacing:.04em;color:var(--gray)}footer a{font-size:.75rem;color:var(--blue);text-decoration:none}[hidden]{display:none!important}
@media(max-width:800px){.wrapper{padding:32px 22px}.workspace{grid-template-columns:1fr;gap:28px}.preview-panel{position:static}.preview-area{min-height:220px}header{margin-bottom:26px}.preview-panel{padding:16px}}
@media(max-width:400px){.wrapper{padding:26px 16px}.two-cols{grid-template-columns:1fr}.brand{gap:10px}footer{flex-wrap:wrap}.brand span{font-size:.65rem}}
input[type="number"]{font:inherit;width:100%;min-width:0;min-height:44px;border:1px solid var(--border);border-radius:7px;background:#081224;color:var(--white);padding:10px;font-size:.85rem}input[type="number"]:focus-visible{outline:2px solid var(--blue);outline-offset:3px}input[aria-invalid="true"]{border-color:#ffaca6}.validation-error{font-size:.76rem;line-height:1.6;color:#ffaca6;margin:0 0 16px}#custom-fields .two-cols{grid-template-columns:1fr 1fr}.preview-panel .badge{white-space:nowrap;letter-spacing:0}
#custom-fields{margin-bottom:18px}#source-quality[hidden]+div{grid-column:1/-1}