@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg-primary:#0a0a12;--color-bg-secondary:#12121e;--color-bg-tertiary:#1a1a2e;--color-surface:#ffffff0a;--color-surface-hover:#ffffff14;--color-surface-active:#ffffff1f;--glass-bg:#ffffff0f;--glass-border:#ffffff1a;--glass-shadow:0 8px 32px #0006;--glass-blur:blur(20px);--gradient-primary:linear-gradient(135deg, #7c3aed, #06b6d4);--gradient-accent:linear-gradient(135deg, #8b5cf6, #22d3ee);--gradient-subtle:linear-gradient(135deg, #7c3aed26, #06b6d426);--gradient-glow:linear-gradient(135deg, #7c3aed4d, #06b6d44d);--color-text-primary:#f0f0f5;--color-text-secondary:#a0a0b8;--color-text-tertiary:#6b6b85;--color-text-accent:#a78bfa;--color-accent:#8b5cf6;--color-accent-light:#a78bfa;--color-accent-dark:#6d28d9;--color-cyan:#22d3ee;--color-cyan-dark:#06b6d4;--color-success:#34d399;--color-warning:#fbbf24;--color-error:#f87171;--border-color:#ffffff14;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--border-radius-xl:24px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--shadow-glow:0 0 20px #8b5cf64d;--shadow-glow-cyan:0 0 20px #22d3ee4d;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:2rem;--font-size-4xl:2.5rem;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--sidebar-width:160px;--header-height:64px;--max-content-width:900px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 20% 20%,#7c3aed14 0%,#0000 50%),radial-gradient(at 80% 80%,#06b6d40f 0%,#0000 50%),radial-gradient(#8b5cf60a 0%,#0000 70%);width:100%;height:100%;animation:12s ease-in-out infinite alternate bgPulse;position:fixed;top:0;left:0}@keyframes bgPulse{0%{opacity:.6}to{opacity:1}}#root{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.app-layout{grid-template-columns:var(--sidebar-width) 1fr var(--sidebar-width);grid-template-rows:auto 1fr auto;gap:0;min-height:100vh;display:grid}.app-header{height:var(--header-height);padding:0 var(--space-xl);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);z-index:100;grid-column:1/-1;justify-content:center;align-items:center;display:flex;position:sticky;top:0}.header-content{align-items:center;gap:var(--space-md);display:flex}.header-logo{background:var(--gradient-primary);border-radius:var(--border-radius-sm);width:36px;height:36px;box-shadow:var(--shadow-glow);justify-content:center;align-items:center;font-size:1.2rem;display:flex}.header-title{font-size:var(--font-size-xl);background:var(--gradient-accent);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-weight:700}.header-subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary);font-weight:400}.sidebar{padding:var(--space-lg);justify-content:center;align-items:flex-start;display:flex}.sidebar-ad-placeholder{border-radius:var(--border-radius-md);width:100%;min-height:300px;color:var(--color-text-tertiary);font-size:var(--font-size-xs);opacity:.3;margin-top:var(--space-xl);border:1px dashed #ffffff0f;justify-content:center;align-items:center;display:flex}.main-content{padding:var(--space-2xl) var(--space-xl);max-width:var(--max-content-width);gap:var(--space-xl);flex-direction:column;width:100%;margin:0 auto;display:flex}.app-footer{padding:var(--space-lg) var(--space-xl);text-align:center;color:var(--color-text-tertiary);font-size:var(--font-size-xs);border-top:1px solid var(--border-color);background:var(--glass-bg);grid-column:1/-1}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);box-shadow:var(--glass-shadow);padding:var(--space-xl);transition:border-color var(--transition-base), box-shadow var(--transition-base)}.glass-card:hover{border-color:#8b5cf633}.card-title{font-size:var(--font-size-lg);color:var(--color-text-primary);margin-bottom:var(--space-md);align-items:center;gap:var(--space-sm);font-weight:600;display:flex}.card-title .icon{font-size:var(--font-size-xl)}.upload-zone{border-radius:var(--border-radius-lg);padding:var(--space-2xl) var(--space-xl);text-align:center;cursor:pointer;transition:all var(--transition-base);background:var(--gradient-subtle);border:2px dashed #8b5cf64d;position:relative;overflow:hidden}.upload-zone:before{content:"";background:var(--gradient-glow);opacity:0;transition:opacity var(--transition-base);position:absolute;inset:0}.upload-zone:hover,.upload-zone.dragging{border-color:var(--color-accent);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.upload-zone:hover:before,.upload-zone.dragging:before{opacity:1}.upload-zone-content{z-index:1;position:relative}.upload-icon{margin-bottom:var(--space-md);font-size:3rem;animation:3s ease-in-out infinite floatIcon}@keyframes floatIcon{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.upload-title{font-size:var(--font-size-lg);color:var(--color-text-primary);margin-bottom:var(--space-xs);font-weight:600}.upload-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.upload-hint{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin-top:var(--space-sm)}.file-info{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-surface);border-radius:var(--border-radius-md);border:1px solid var(--glass-border);margin-top:var(--space-md);display:flex}.file-info-icon{background:var(--gradient-primary);border-radius:var(--border-radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.2rem;display:flex}.file-info-details{text-align:left;flex:1;min-width:0}.file-info-name{font-size:var(--font-size-sm);color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.file-info-meta{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.file-info-remove{color:var(--color-text-tertiary);cursor:pointer;padding:var(--space-xs);border-radius:var(--border-radius-sm);transition:all var(--transition-fast);font-size:var(--font-size-lg);background:0 0;border:none;line-height:1}.file-info-remove:hover{color:var(--color-error);background:#f871711a}.thumbnail-grid{gap:var(--space-md);margin-top:var(--space-md);grid-template-columns:repeat(auto-fill,minmax(120px,1fr));display:grid}.thumbnail-item{border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-base);background:var(--color-surface);aspect-ratio:.707;border:2px solid #0000;position:relative;overflow:hidden}.thumbnail-item:hover{box-shadow:var(--shadow-md);border-color:#8b5cf64d;transform:translateY(-2px)}.thumbnail-item.selected{border-color:var(--color-accent);box-shadow:var(--shadow-glow)}.thumbnail-item.in-range{box-shadow:var(--shadow-glow-cyan);border-color:#22d3ee80}.thumbnail-canvas{object-fit:contain;width:100%;height:100%;display:block}.thumbnail-label{padding:var(--space-xs) var(--space-sm);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);font-size:var(--font-size-xs);text-align:center;color:var(--color-text-secondary);background:#000000b3;font-weight:500;position:absolute;bottom:0;left:0;right:0}.thumbnail-item.in-range .thumbnail-label{color:var(--color-cyan)}.thumbnail-loading{width:100%;height:100%;color:var(--color-text-tertiary);font-size:var(--font-size-xs);justify-content:center;align-items:center;display:flex}.range-controls{gap:var(--space-lg);flex-direction:column;display:flex}.range-row{align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.range-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);min-width:80px;font-weight:500}.range-input-group{align-items:center;gap:var(--space-sm);display:flex}.range-input{width:80px;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-sm);text-align:center;transition:all var(--transition-fast);outline:none}.range-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #8b5cf633}.range-separator{color:var(--color-text-tertiary);font-size:var(--font-size-sm)}.range-slider{appearance:none;background:var(--color-surface-active);min-width:200px;height:6px;transition:all var(--transition-fast);border-radius:3px;outline:none;flex:1}.range-slider::-webkit-slider-thumb{appearance:none;background:var(--gradient-primary);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-glow);transition:transform var(--transition-fast);border-radius:50%}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.range-slider::-moz-range-thumb{background:var(--gradient-primary);cursor:pointer;width:20px;height:20px;box-shadow:var(--shadow-glow);border:none;border-radius:50%}.range-info{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--gradient-subtle);border-radius:var(--border-radius-sm);font-size:var(--font-size-sm);color:var(--color-text-accent);display:flex}.range-info .count{color:var(--color-cyan);font-weight:700}.quick-select{gap:var(--space-sm);flex-wrap:wrap;display:flex}.quick-select-btn{padding:var(--space-xs) var(--space-md);background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--color-text-secondary);font-family:var(--font-family);font-size:var(--font-size-xs);cursor:pointer;transition:all var(--transition-fast)}.quick-select-btn:hover{background:var(--color-surface-hover);border-color:var(--color-accent);color:var(--color-text-primary)}.btn{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--border-radius-md);font-family:var(--font-family);font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-base);border:none;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn:after{content:"";opacity:0;transition:opacity var(--transition-fast);background:linear-gradient(#ffffff1a,#0000);position:absolute;inset:0}.btn:hover:after{opacity:1}.btn:active{transform:scale(.98)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow)}.btn-primary:hover{box-shadow:var(--shadow-glow), 0 4px 20px #8b5cf666;transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover{background:var(--color-surface-hover);border-color:var(--color-accent)}.btn-icon{border-radius:var(--border-radius-sm);width:40px;height:40px;padding:0}.btn-full{width:100%}.progress-container{margin-top:var(--space-md)}.progress-bar-bg{background:var(--color-surface-active);border-radius:4px;width:100%;height:8px;overflow:hidden}.progress-bar-fill{background:var(--gradient-primary);height:100%;transition:width var(--transition-base);border-radius:4px;position:relative}.progress-bar-fill:after{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);animation:2s infinite shimmer;position:absolute;inset:0}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-text{margin-top:var(--space-sm);font-size:var(--font-size-xs);color:var(--color-text-secondary);justify-content:space-between;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;animation:fadeIn var(--transition-base);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:var(--color-bg-secondary);border:1px solid var(--glass-border);border-radius:var(--border-radius-xl);padding:var(--space-xl);width:90%;max-width:440px;box-shadow:var(--shadow-lg), var(--shadow-glow);animation:slideUp var(--transition-slow)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.modal-header{margin-bottom:var(--space-lg);justify-content:space-between;align-items:center;display:flex}.modal-title{font-size:var(--font-size-xl);color:var(--color-text-primary);font-weight:700}.modal-close{color:var(--color-text-tertiary);font-size:var(--font-size-xl);cursor:pointer;padding:var(--space-xs);border-radius:var(--border-radius-sm);transition:all var(--transition-fast);background:0 0;border:none;line-height:1}.modal-close:hover{color:var(--color-text-primary);background:var(--color-surface-hover)}.resolution-options{gap:var(--space-sm);margin-bottom:var(--space-lg);flex-direction:column;display:flex}.resolution-option{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-surface);border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-fast);border:2px solid #0000;display:flex}.resolution-option:hover{background:var(--color-surface-hover);border-color:#8b5cf633}.resolution-option.selected{border-color:var(--color-accent);background:var(--gradient-subtle)}.resolution-radio{border:2px solid var(--border-color);width:20px;height:20px;transition:all var(--transition-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.resolution-option.selected .resolution-radio{border-color:var(--color-accent)}.resolution-radio-inner{background:var(--gradient-primary);width:10px;height:10px;transition:transform var(--transition-fast);border-radius:50%;transform:scale(0)}.resolution-option.selected .resolution-radio-inner{transform:scale(1)}.resolution-info{flex:1}.resolution-name{font-size:var(--font-size-sm);color:var(--color-text-primary);font-weight:600}.resolution-desc{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.resolution-badge{background:var(--gradient-primary);border-radius:var(--border-radius-sm);font-size:var(--font-size-xs);color:#fff;padding:2px 8px;font-weight:600}.modal-actions{gap:var(--space-sm);justify-content:flex-end;display:flex}.step-indicator{justify-content:center;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-xl);display:flex}.step{align-items:center;gap:var(--space-sm);display:flex}.step-number{width:32px;height:32px;font-size:var(--font-size-sm);transition:all var(--transition-base);border:2px solid var(--border-color);color:var(--color-text-tertiary);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}.step.active .step-number{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow);border-color:#0000}.step.completed .step-number{background:var(--color-success);color:#fff;border-color:#0000}.step-label{font-size:var(--font-size-xs);color:var(--color-text-tertiary);transition:color var(--transition-base);font-weight:500}.step.active .step-label{color:var(--color-text-primary)}.step.completed .step-label{color:var(--color-success)}.step-connector{background:var(--border-color);width:40px;height:2px;transition:background var(--transition-base)}.step-connector.completed{background:var(--color-success)}.spinner{border:2px solid #fff3;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.status-badge{align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-md);border-radius:var(--border-radius-xl);font-size:var(--font-size-xs);font-weight:500;display:inline-flex}.status-badge.success{color:var(--color-success);background:#34d3991a;border:1px solid #34d39933}.status-badge.processing{color:var(--color-accent-light);background:#8b5cf61a;border:1px solid #8b5cf633}@media (width<=1024px){.app-layout{grid-template-columns:1fr}.sidebar{display:none}.main-content{padding:var(--space-lg) var(--space-md)}.app-footer,.app-header{grid-column:1}}@media (width<=640px){:root{--header-height:56px}.header-subtitle{display:none}.thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(90px,1fr))}.range-row{flex-direction:column;align-items:flex-start}.range-slider{min-width:100%}.step-label{display:none}.step-connector{width:24px}.modal-content{margin:var(--space-md)}}.format-selector{background:var(--color-surface-active);border-radius:var(--border-radius-md);margin-bottom:var(--space-md);border:1px solid var(--glass-border);gap:4px;padding:4px;display:flex}.format-tab{padding:var(--space-sm) var(--space-md);border-radius:var(--border-radius-sm);color:var(--color-text-secondary);font-family:var(--font-family);font-size:var(--font-size-sm);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;gap:var(--space-xs);background:0 0;border:none;flex:1;font-weight:600;display:flex}.format-tab:hover{color:var(--color-text-primary);background:var(--color-surface-hover)}.format-tab.active{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm)}.format-info-box{background:var(--gradient-subtle);border-radius:var(--border-radius-md);padding:var(--space-md);text-align:left;border:1px dashed #8b5cf64d}