@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--bg-primary:#121212;--bg-secondary:#1e1e1e;--bg-tertiary:#2d2d2d;--bg-hover:#3d3d3d;--text-primary:#fff;--text-secondary:#aaa;--text-muted:#666;--accent-color:#3b82f6;--accent-hover:#2563eb;--accent-active:#1d4ed8;--accent-light:#3b82f626;--border-color:#333;--danger:#ef4444;--danger-hover:#dc2626;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px #0003;--shadow-md:0 4px 6px #0000004d;--shadow-lg:0 10px 15px #0006;--transition:.2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}a{color:var(--accent-color);text-decoration:none}button{cursor:pointer;color:inherit;background:0 0;border:none;font-family:inherit}input,select,textarea{color:inherit;font-family:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition) forwards}.app-layout{background-color:var(--bg-primary);width:100vw;height:100vh;color:var(--text-primary);flex-direction:column;display:flex;overflow:hidden}.header{border-bottom:1px solid var(--border-color);z-index:10;background-color:#1a1a1a;flex-shrink:0;align-items:center;height:56px;padding:0 20px;display:flex}.header-title{align-items:center;gap:10px;font-size:1.1rem;font-weight:700;display:flex}.header-logo{background:var(--accent-color);color:#fff;border-radius:4px;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;font-weight:800;display:flex}.main-content{flex:1;display:flex;overflow:hidden}.center-stage{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.dropzone-overlay{border:2px dashed var(--accent-color);z-index:100;pointer-events:none;background:#3b82f61a;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.dropzone-text{color:var(--accent-color);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000c;padding:16px 32px;font-size:1.5rem;font-weight:600}.viewer-container{background-color:#111;flex:1;justify-content:center;align-items:center;padding:40px;display:flex;position:relative;overflow:hidden}.viewer-toolbar{z-index:10;gap:8px;display:flex;position:absolute;top:20px;right:20px}.btn-icon{color:#fff;cursor:pointer;background-color:#000000b3;border:1px solid #444;border-radius:4px;justify-content:center;align-items:center;width:32px;height:32px;font-size:16px;transition:all .2s;display:flex}.btn-icon:hover{background-color:#000000e6;border-color:#666}.btn-icon.active{background-color:var(--accent-color);border-color:var(--accent-color)}.viewer-frame{background-color:#000;justify-content:center;align-items:center;max-width:100%;max-height:100%;display:flex;position:relative;box-shadow:0 20px 40px #00000080}.viewer-image{object-fit:contain;width:100%;height:100%}.thumbnail-strip-container{border-top:1px solid var(--border-color);background-color:#1e1e1e;flex-direction:column;flex-shrink:0;height:140px;display:flex}.thumbnail-toolbar{border-bottom:1px solid var(--border-color);height:32px;color:var(--text-secondary);background-color:#252525;align-items:center;gap:16px;padding:0 16px;font-size:.75rem;display:flex}.thumbnail-scroll-area{flex:1;align-items:center;gap:12px;padding:0 16px;display:flex;overflow:auto hidden}.thumbnail-scroll-area::-webkit-scrollbar{height:8px}.thumbnail-scroll-area::-webkit-scrollbar-thumb{background:#444;border-radius:4px}.thumbnail-scroll-area::-webkit-scrollbar-track{background:0 0}.thumb-item{cursor:grab;-webkit-user-select:none;user-select:none;background-color:#000;border:2px solid #0000;border-radius:4px;flex-shrink:0;height:80px;transition:transform .1s;position:relative}.thumb-item.is-active{border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f64d}.thumb-item:active{cursor:grabbing}.thumb-image{object-fit:cover;border-radius:2px;width:auto;min-width:80px;height:100%;display:block}.thumb-number{color:#fff;background:#000000b3;border-radius:2px;padding:2px 4px;font-size:.65rem;font-weight:600;position:absolute;top:4px;left:4px}.thumb-delete{color:#fff;cursor:pointer;opacity:0;background:#000000b3;border:none;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;transition:opacity .2s;display:flex;position:absolute;top:4px;right:4px}.thumb-item:hover .thumb-delete{opacity:1}.thumb-delete:hover{background-color:var(--danger)}.empty-state{width:100%;height:100%;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;display:flex}.sidebar{background-color:var(--bg-secondary);border-left:1px solid var(--border-color);flex-direction:column;flex-shrink:0;width:340px;display:flex;overflow-y:auto}.sidebar-section{border-bottom:1px solid var(--border-color);flex-direction:column;gap:16px;padding:20px;display:flex}.sidebar-section-title{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;align-items:center;gap:6px;font-size:.75rem;font-weight:700;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--text-primary);font-size:.85rem;font-weight:500}.text-input,.textarea-input,.select-input{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);transition:border-color var(--transition);outline:none;width:100%;padding:8px 12px;font-family:inherit;font-size:.9rem}.textarea-input{resize:vertical;min-height:80px}.text-input:focus,.textarea-input:focus,.select-input:focus{border-color:var(--accent-color)}.sidebar-footer{margin-top:auto;padding:20px}.btn-primary{background-color:var(--accent-color);color:#fff;border-radius:var(--radius-md);width:100%;transition:background-color var(--transition);justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-weight:600;display:flex}.btn-primary:hover:not(:disabled){background-color:var(--accent-hover)}.btn-primary:disabled{background-color:var(--bg-tertiary);color:var(--text-muted);cursor:not-allowed}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border-radius:var(--radius-md);border:1px solid var(--border-color);transition:background-color var(--transition);align-items:center;gap:6px;padding:6px 12px;font-size:.8rem;font-weight:500;display:inline-flex}.btn-secondary:hover{background-color:var(--bg-hover)}.radio-group{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:3px;display:flex}.radio-label{text-align:center;cursor:pointer;border-radius:var(--radius-sm);flex:1;padding:6px 0;font-size:.8rem;font-weight:500}.radio-input{display:none}.radio-input:checked+.radio-label{background-color:var(--bg-secondary);color:var(--text-primary);box-shadow:var(--shadow-sm)}.grid-dim-group{align-items:center;gap:12px;display:flex}.grid-dim-input{flex-direction:column;flex:1;gap:4px;display:flex}.grid-dim-input label{color:var(--text-muted);text-transform:uppercase;text-align:center;font-size:.65rem}.number-input{background-color:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:var(--radius-md);text-align:center;width:100%;padding:6px 10px}