:root{--bg: #0a0c10;--surface: #141820;--surface-2: #1c2230;--border: #2a3344;--text: #f0f3f8;--muted: #8b95a8;--accent: #7b3fe4;--accent-hover: #9b63f0;--success: #42b72a;--radius: 16px;--shadow: 0 24px 48px rgba(0, 0, 0, .45)}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased}body{margin:0;min-height:100dvh;font-family:DM Sans,system-ui,sans-serif;background:var(--bg);background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(123,63,228,.2),transparent),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(123,63,228,.1),transparent);color:var(--text);line-height:1.5}#app{max-width:960px;margin:0 auto;padding:2rem 1.25rem 3rem}header{text-align:center;margin-bottom:2.5rem}header h1{margin:0 0 .5rem;font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;letter-spacing:-.02em}header h1 span{color:var(--accent)}header p{margin:0 auto;max-width:32rem;color:var(--muted);font-size:1.05rem}.header-tagline{margin-bottom:.35rem!important;font-size:1.1rem!important;font-weight:500;color:var(--text)!important}.layout{display:grid;gap:1.5rem}@media(min-width:768px){.layout{grid-template-columns:1fr 1fr;align-items:start}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow)}.panel h2:not(:first-child){margin-top:1.5rem}.panel h2{margin:0 0 1rem;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.frame-picker{display:flex;flex-direction:column;gap:.75rem}.frame-option{cursor:pointer}.frame-option input{position:absolute;opacity:0;pointer-events:none}.frame-option-card{display:flex;align-items:center;gap:1rem;padding:.75rem 1rem;border:2px solid var(--border);border-radius:12px;background:var(--surface-2);transition:border-color .2s,background .2s,box-shadow .2s}.frame-option-card img{flex-shrink:0;width:72px;height:72px;border-radius:8px;object-fit:cover;background:#000}.frame-option-text{display:flex;flex-direction:column;gap:.15rem;min-width:0}.frame-option-text strong{font-size:1rem;color:var(--text)}.frame-option-text span{font-size:.8rem;color:var(--muted)}.frame-option input:checked+.frame-option-card{border-color:var(--accent);background:#7b3fe41a;box-shadow:0 0 0 1px var(--accent)}.frame-option input:focus-visible+.frame-option-card{outline:2px solid var(--accent-hover);outline-offset:2px}.dropzone{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;min-height:220px;padding:2rem 1.5rem;border:2px dashed var(--border);border-radius:12px;background:var(--surface-2);cursor:pointer;transition:border-color .2s,background .2s}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#7b3fe414}.dropzone.has-file{border-style:solid;border-color:var(--success);cursor:default}.dropzone input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.dropzone.has-file input{pointer-events:none}.dropzone-icon{width:48px;height:48px;color:var(--muted)}.dropzone.dragover .dropzone-icon,.dropzone:hover .dropzone-icon{color:var(--accent)}.dropzone-text{text-align:center}.dropzone-text strong{display:block;font-size:1rem;color:var(--text)}.dropzone-text span{font-size:.875rem;color:var(--muted)}.file-name{margin-top:.5rem;font-size:.8rem;color:var(--success);word-break:break-all}.preview-wrap{display:flex;flex-direction:column;align-items:center;gap:1rem}.preview-frame{position:relative;width:min(100%,320px);aspect-ratio:1;border-radius:50%;overflow:hidden;background:var(--surface-2);box-shadow:0 0 0 4px var(--surface),0 0 0 6px var(--border);touch-action:none;-webkit-user-select:none;user-select:none}.preview-frame--active{cursor:grab}.preview-frame--active.is-dragging{cursor:grabbing}.preview-frame canvas{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none}.position-controls{display:flex;flex-direction:column;gap:.65rem;width:min(100%,320px)}.zoom-label{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;font-weight:500;color:var(--muted)}.zoom-label span{color:var(--text);font-variant-numeric:tabular-nums}#zoom-range{width:100%;accent-color:var(--accent)}.btn-small{padding:.55rem 1rem;font-size:.875rem}.preview-hint{font-size:.8rem;color:var(--muted);text-align:center}.preview-placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--muted);font-size:.9rem}.actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.25rem}button{font-family:inherit;font-size:1rem;font-weight:600;border:none;border-radius:10px;padding:.85rem 1.25rem;cursor:pointer;transition:background .2s,transform .1s,opacity .2s}button:active:not(:disabled){transform:scale(.98)}button:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.steps{display:flex;flex-wrap:wrap;gap:.5rem 1rem;justify-content:center;margin-top:2rem;padding:0;list-style:none}.steps li{display:flex;align-items:center;gap:.4rem;font-size:.85rem;color:var(--muted)}.steps li:before{content:attr(data-step);display:inline-flex;align-items:center;justify-content:center;width:1.35rem;height:1.35rem;border-radius:50%;background:var(--surface-2);border:1px solid var(--border);font-size:.7rem;font-weight:700;color:var(--accent)}footer{margin-top:2.5rem;text-align:center;font-size:.75rem;color:var(--muted)}