:root{--color-bg:#f8f9fb;--color-surface:#fff;--color-border:#e2e5ea;--color-primary:#3b83f6;--color-primary-hv:#326fd0;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--color-text:#1e293b;--color-text-muted:#64748b;--color-text-light:#94a3b8;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001a;--max-width:1200px;--sidebar-width:340px;--font:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.6}.app-header{text-align:center;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:48px 24px 32px}.app-title{color:var(--color-primary);justify-content:center;align-items:center;gap:10px;font-size:2rem;font-weight:700;display:flex}.app-subtitle{color:var(--color-text-muted);margin-top:6px;font-size:.95rem}.app-main{max-width:var(--max-width);margin:0 auto;padding:24px}.app-layout{grid-template-columns:var(--sidebar-width) 1fr;align-items:start;gap:24px;display:grid}@media (max-width:900px){.app-layout{grid-template-columns:1fr}}.section-heading{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);align-items:center;gap:8px;margin-bottom:12px;font-size:.85rem;font-weight:600;display:flex}.upload-zone-wrapper{margin-bottom:24px}.upload-zone{border:2px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);cursor:pointer;outline:none;flex-direction:column;justify-content:center;align-items:center;padding:48px 24px;transition:border-color .2s,background .2s,box-shadow .2s;display:flex}.upload-zone:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.upload-zone:focus-visible{border-color:var(--color-primary);box-shadow:var(--shadow-md)}.upload-zone--drag-over{border-color:var(--color-primary);box-shadow:var(--shadow-lg);background:#eef2ff}.upload-zone__icon{color:var(--color-text-light);margin-bottom:12px}.upload-zone--drag-over .upload-zone__icon{color:var(--color-primary)}.upload-zone__title{font-size:1.1rem;font-weight:600}.upload-zone__subtitle{color:var(--color-text-muted);margin:4px 0 12px}.upload-zone__hint{color:var(--color-text-light);margin-top:12px;font-size:.78rem}.btn{border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;border:none;align-items:center;gap:6px;padding:10px 20px;font-size:.9rem;font-weight:500;transition:background .2s,transform .1s,box-shadow .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-hv);box-shadow:var(--shadow-sm)}.btn--process{background:var(--color-success);color:#fff;padding:12px 28px;font-size:1rem}.btn--process:hover:not(:disabled){box-shadow:var(--shadow-md);background:#059669}.btn--ghost{color:var(--color-text-muted);border:1px solid var(--color-border);background:0 0}.btn--ghost:hover:not(:disabled){background:var(--color-bg);color:var(--color-text)}.btn--small{background:var(--color-bg);border:1px solid var(--color-border);color:var(--color-text);border-radius:var(--radius-sm);padding:6px 12px;font-size:.8rem}.btn--small:hover{border-color:var(--color-primary);color:var(--color-primary);background:#eef2ff}.settings-panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:20px;padding:20px}.setting-group{margin-bottom:20px}.setting-group:last-child{margin-bottom:0}.setting-label{color:var(--color-text);margin-bottom:8px;font-size:.88rem;font-weight:500;display:block}.slider{-webkit-appearance:none;appearance:none;background:var(--color-border);border-radius:3px;outline:none;width:100%;height:6px}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;background:var(--color-primary);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-sm);border-radius:50%;transition:transform .15s}.slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.slider::-moz-range-thumb{background:var(--color-primary);cursor:pointer;border:none;border-radius:50%;width:20px;height:20px}.slider-labels{color:var(--color-text-light);justify-content:space-between;margin-top:4px;font-size:.72rem;display:flex}.format-tabs{border:1px solid var(--color-border);border-radius:var(--radius-sm);gap:0;display:flex;overflow:hidden}.format-tab{background:var(--color-surface);font-family:var(--font);color:var(--color-text-muted);cursor:pointer;border:none;flex:1;padding:8px 0;font-size:.82rem;font-weight:600;transition:background .15s,color .15s}.format-tab:hover{background:var(--color-bg)}.format-tab--active{background:var(--color-primary);color:#fff}.resize-targets{flex-direction:column;gap:8px;display:flex}.checkbox-label{cursor:pointer;color:var(--color-text);align-items:center;gap:8px;font-size:.85rem;display:flex}.checkbox-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--color-primary);cursor:pointer}.image-queue{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:20px}.queue-count{background:var(--color-primary);color:#fff;vertical-align:middle;border-radius:999px;padding:2px 8px;font-size:.7rem}.queue-grid{flex-direction:column;gap:10px;max-height:420px;display:flex;overflow-y:auto}.queue-card{border:1px solid var(--color-border);border-radius:var(--radius-sm);align-items:center;gap:10px;padding:8px;transition:box-shadow .15s;display:flex;position:relative}.queue-card:hover{box-shadow:var(--shadow-sm)}.queue-card__remove{width:24px;height:24px;color:var(--color-text-light);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.2rem;transition:color .15s,background .15s;display:flex;position:absolute;top:4px;right:4px}.queue-card__remove:hover{color:var(--color-error);background:#fef2f2}.queue-card__thumb{object-fit:cover;border-radius:4px;flex-shrink:0;width:48px;height:48px}.queue-card__info{flex-direction:column;min-width:0;display:flex}.queue-card__name{white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;font-weight:500;overflow:hidden}.queue-card__meta{color:var(--color-text-muted);font-size:.72rem}.queue-empty{color:var(--color-text-light);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:32px 16px;font-size:.85rem;display:flex}.queue-empty svg{opacity:.4}.process-bar{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.process-status{color:var(--color-text-muted);padding:4px 0;font-size:.85rem}.process-status--active{color:var(--color-primary);animation:1.5s infinite pulse}.process-status--done{color:var(--color-success)}.process-status--warning{color:var(--color-warning)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.output-gallery{margin-top:24px}.output-actions{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:16px;display:flex}.zip-estimate{color:var(--color-text-muted);font-size:.82rem}.output-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.output-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);flex-direction:column;gap:8px;padding:14px 16px;transition:box-shadow .2s;display:flex}.output-card:hover{box-shadow:var(--shadow-sm)}.output-card__header{justify-content:space-between;align-items:baseline;display:flex}.output-card__variant{font-size:.88rem;font-weight:600}.output-card__dims{color:var(--color-text-muted);font-size:.75rem;font-family:var(--font-mono)}.output-card__details{color:var(--color-text-muted);gap:12px;font-size:.78rem;display:flex}.output-card__format{background:var(--color-bg);border-radius:4px;padding:1px 6px;font-size:.7rem;font-weight:600}.output-empty{color:var(--color-text-light);text-align:center;padding:32px;font-size:.85rem}.stats-dashboard{margin-top:24px;padding:24px 0}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;display:grid}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);text-align:center;padding:16px}.stat-card--highlight{border-color:var(--color-success);background:#f0fdf4}.stat-card__label{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);margin-bottom:4px;font-size:.75rem;display:block}.stat-card__value{color:var(--color-text);font-size:1.3rem;font-weight:700;font-family:var(--font-mono);display:block}.stat-card--highlight .stat-card__value{color:var(--color-success)}.app-footer{max-width:var(--max-width);margin:0 auto;padding:0 24px 48px}.toast{border-radius:var(--radius-md);color:#fff;white-space:pre-line;z-index:9999;width:calc(100% - 32px);max-width:500px;box-shadow:var(--shadow-lg);padding:14px 20px;font-size:.88rem;font-weight:500;transition:transform .35s cubic-bezier(.22,.61,.36,1);position:fixed;top:16px;left:50%;transform:translate(-50%)translateY(-120%)}.toast--visible{transform:translate(-50%)translateY(0)}.toast--warning{background:var(--color-warning);color:#1e293b}.toast--error{background:var(--color-error)}.queue-grid::-webkit-scrollbar{width:6px}.queue-grid::-webkit-scrollbar-track{background:0 0}.queue-grid::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button:focus:not(:focus-visible){outline:none}