:root{--bg: #0f1117;--surface: #1a1d27;--surface-hover: #242836;--border: #2d3348;--border-accent: #4a7dff;--text: #e8eaf0;--text-muted: #8b92a8;--accent: #4a7dff;--accent-hover: #6194ff;--danger: #ff4a6a;--success: #4aff8b;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;font-size:14px;color:var(--text);background-color:var(--bg);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{max-width:960px;margin:0 auto;padding:24px 16px}h1{font-size:1.75rem;font-weight:700;margin:0}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;padding:0}button:focus-visible{outline:2px solid var(--border-accent);outline-offset:2px}input,select{font-family:inherit;font-size:inherit}.app-header{margin-bottom:24px}.subtitle{color:var(--text-muted);margin:4px 0 0}.drop-zone{border:2px dashed var(--border);border-radius:8px;height:160px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .15s ease,background-color .15s ease;margin-bottom:24px}.drop-zone:hover,.drop-zone--active{border-color:var(--border-accent);background-color:#4a7dff0d}.drop-zone--processing{opacity:.7;pointer-events:none}.drop-zone__content{text-align:center}.drop-zone__icon{color:var(--text-muted);margin-bottom:8px}.drop-zone__text{margin:0;color:var(--text);font-weight:500}.drop-zone__hint{margin:4px 0 0;color:var(--text-muted);font-size:.8rem}.gallery{margin-bottom:24px}.gallery__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.gallery__count{color:var(--text-muted);font-size:.85rem}.gallery__toggle-all{color:var(--accent);font-size:.85rem;font-weight:500}.gallery__toggle-all:hover{color:var(--accent-hover)}.gallery__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.gallery-empty{text-align:center;color:var(--text-muted);padding:48px 0;margin-bottom:24px}.gallery-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:background-color .15s ease,border-color .15s ease}.gallery-card:hover{background:var(--surface-hover)}.gallery-card--selected{border-color:var(--border-accent)}.gallery-card__image{width:100%;aspect-ratio:1;overflow:hidden;cursor:pointer;display:flex;align-items:center;justify-content:center;background:var(--bg)}.gallery-card__image img{max-width:100%;max-height:100%;object-fit:contain}.gallery-card__info{padding:8px 10px 4px;display:flex;flex-direction:column;gap:2px}.gallery-card__name{font-family:JetBrains Mono,Fira Code,monospace;font-size:.75rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gallery-card__dims{font-size:.7rem;color:var(--text-muted)}.gallery-card__actions{padding:4px 10px 8px;display:flex;justify-content:space-between;align-items:center}.gallery-card__checkbox input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.gallery-card__delete{color:var(--text-muted);padding:4px;border-radius:4px;transition:color .15s ease}.gallery-card__delete:hover{color:var(--danger)}.export-toolbar{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px 20px;margin-bottom:24px}.export-toolbar__controls{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:16px}.export-toolbar__field{display:flex;flex-direction:column;gap:4px}.export-toolbar__label{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.export-toolbar__input{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--text);font-family:JetBrains Mono,Fira Code,monospace;font-size:.85rem;width:160px}.export-toolbar__input:focus{outline:none;border-color:var(--border-accent)}.export-toolbar__select{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 10px;color:var(--text);font-size:.85rem;cursor:pointer}.export-toolbar__select:focus{outline:none;border-color:var(--border-accent)}.export-toolbar__color-space-wrap{display:flex;align-items:center;gap:8px}.export-toolbar__wide-gamut{font-size:.7rem;font-weight:600;color:var(--accent);padding:2px 6px;border:1px solid var(--accent);border-radius:4px;white-space:nowrap}.export-toolbar__toggle{display:flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.export-toolbar__toggle-btn{padding:6px 14px;font-size:.85rem;background:var(--bg);color:var(--text-muted);transition:background-color .15s ease,color .15s ease}.export-toolbar__toggle-btn:first-child{border-right:1px solid var(--border)}.export-toolbar__toggle-btn--active{background:var(--accent);color:#fff}.export-toolbar__actions{display:flex;gap:10px}.export-toolbar__btn{padding:8px 18px;border-radius:6px;font-weight:500;font-size:.85rem;background:var(--surface-hover);color:var(--text);border:1px solid var(--border);transition:background-color .15s ease,border-color .15s ease}.export-toolbar__btn:hover:not(:disabled){border-color:var(--text-muted)}.export-toolbar__btn:disabled{opacity:.4;cursor:not-allowed}.export-toolbar__btn--primary{background:var(--accent);color:#fff;border-color:var(--accent)}.export-toolbar__btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.modal-backdrop{position:fixed;inset:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fade-in .2s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border:1px solid var(--border);border-radius:8px;max-width:90vw;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.modal__header{display:flex;justify-content:space-between;align-items:flex-start;padding:16px 20px;border-bottom:1px solid var(--border)}.modal__title{display:flex;flex-direction:column;gap:2px}.modal__name{font-weight:600;font-family:JetBrains Mono,Fira Code,monospace;font-size:.9rem}.modal__meta{color:var(--text-muted);font-size:.8rem}.modal__close{color:var(--text-muted);padding:4px;border-radius:4px;flex-shrink:0}.modal__close:hover{color:var(--text)}.modal__body{flex:1;overflow:auto;padding:16px;display:flex;align-items:center;justify-content:center}.modal__canvas{max-width:100%;max-height:70vh;object-fit:contain;border-radius:4px}.modal__footer{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end}.toast-container{position:fixed;bottom:20px;right:20px;z-index:2000;display:flex;flex-direction:column;gap:8px;max-width:360px}.toast{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 14px;display:flex;align-items:center;gap:10px;border-left:3px solid var(--accent);animation:toast-in .3s ease;box-shadow:0 4px 12px #0000004d}@keyframes toast-in{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.toast--error{border-left-color:var(--danger)}.toast--success{border-left-color:var(--success)}.toast--info{border-left-color:var(--accent)}.toast__text{flex:1;font-size:.85rem}.toast__dismiss{color:var(--text-muted);padding:2px;flex-shrink:0}.toast__dismiss:hover{color:var(--text)}