:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--bg-app:#08090e;--bg-header:#0e111a;--bg-sidebar:#101320;--bg-surface:#141827;--bg-surface-elevated:#1a2034;--bg-card:#161b2d;--bg-card-hover:#1e243c;--bg-input:#0c0f18;--bg-input-hover:#131726;--bg-input-focus:#161b2d;--border-subtle:#1c2237;--border-medium:#27304e;--border-active:#3a4773;--border-focus:#6366f1;--indigo-500:#6366f1;--indigo-600:#4f46e5;--indigo-400:#818cf8;--indigo-glow:#6366f140;--emerald-500:#10b981;--emerald-600:#059669;--emerald-400:#34d399;--emerald-glow:#10b98147;--amber-400:#fbbf24;--amber-500:#f59e0b;--rose-500:#ef4444;--rose-600:#dc2626;--text-primary:#fff;--text-body:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-dark:#0f172a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-pill:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 8px 24px #00000073;--shadow-lg:0 16px 40px #0009;--shadow-glow:0 0 25px #6366f159;--shadow-cta:0 6px 20px #10b98166;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.25s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.35s cubic-bezier(.34, 1.56, .64, 1)}:root[data-theme=light],[data-theme=light]{--bg-app:#f8fafc;--bg-header:#fff;--bg-sidebar:#fff;--bg-surface:#fff;--bg-surface-elevated:#f1f5f9;--bg-card:#fff;--bg-card-hover:#f8fafc;--bg-input:#f1f5f9;--bg-input-hover:#e2e8f0;--bg-input-focus:#fff;--border-subtle:#e2e8f0;--border-medium:#cbd5e1;--border-active:#94a3b8;--border-focus:#6366f1;--indigo-500:#6366f1;--indigo-600:#4f46e5;--indigo-400:#4338ca;--indigo-glow:#6366f126;--emerald-500:#10b981;--emerald-600:#059669;--emerald-400:#047857;--emerald-glow:#10b9812e;--text-primary:#0f172a;--text-body:#334155;--text-secondary:#64748b;--text-muted:#94a3b8;--text-dark:#0f172a;--shadow-sm:0 1px 3px #00000014, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000012, 0 2px 4px #0000000a;--shadow-lg:0 12px 28px #0000001a, 0 4px 8px #0000000a;--shadow-glow:0 0 20px #6366f12e;--shadow-cta:0 4px 14px #10b98147}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-app);height:100%;color:var(--text-body);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}#root{flex-direction:column;min-height:100vh;display:flex}button{cursor:pointer;color:inherit;transition:all var(--transition-fast);background:0 0;border:none;font-family:inherit}button:focus-visible,select:focus-visible{outline:2px solid var(--indigo-400);outline-offset:2px}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{appearance:textfield}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-active)}.text-indigo{color:var(--indigo-400)}.text-emerald{color:var(--emerald-400)}.text-amber{color:var(--amber-400)}.text-secondary{color:var(--text-secondary)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-right{text-align:right}.app-header{background-color:var(--bg-header);border-bottom:1px solid var(--border-subtle);height:56px;min-height:56px;padding:0 var(--space-6);z-index:30;flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.header-brand{align-items:center;gap:var(--space-3);text-decoration:none;display:flex}.brand-icon-wrapper{color:#fff;width:36px;height:36px;box-shadow:none;background:linear-gradient(145deg,#161c2e,#0c101d);border:1px solid #38bdf859;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.brand-text{flex-direction:column;display:flex}.brand-title-row{align-items:center;gap:var(--space-2);display:flex}.brand-title{letter-spacing:-.02em;color:var(--text-primary);font-size:1.15rem;font-weight:700;line-height:1.2}.brand-badge{border-radius:var(--radius-sm);color:#fff;letter-spacing:.05em;background:linear-gradient(90deg,#4f46e5,#7c3aed);padding:2px 6px;font-size:.65rem;font-weight:800}.brand-tagline{color:var(--text-muted);font-size:.72rem}.header-center-info{align-items:center;gap:var(--space-3);display:flex}.privacy-pill{align-items:center;gap:var(--space-2);color:var(--emerald-400);border-radius:var(--radius-pill);background-color:#10b98114;border:1px solid #10b98138;padding:4px 10px;font-size:.75rem;font-weight:500;display:flex}.stats-pill{align-items:center;gap:var(--space-2);background-color:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-pill);padding:4px 12px;font-size:.78rem;animation:.3s fadeIn;display:flex}.savings-badge{color:var(--emerald-400);border-radius:var(--radius-sm);background-color:#10b98133;margin-left:4px;padding:1px 6px;font-weight:700}.header-actions{align-items:center;gap:var(--space-2);display:flex}.header-btn{cursor:pointer;height:32px;transition:all var(--transition-fast);border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:0 14px;font-size:.82rem;font-weight:600;display:inline-flex}.header-btn.secondary{background-color:var(--bg-surface);border:1px solid var(--border-medium);color:var(--text-body)}.header-btn.secondary:hover{background-color:var(--bg-surface-elevated);border-color:var(--border-active);color:var(--text-primary)}.header-btn.danger-subtle{color:#f87171;background-color:#ef444414;border:1px solid #ef444433}.header-btn.danger-subtle:hover{background-color:#ef444429;border-color:#ef444466}.theme-segmented-toggle{background-color:var(--bg-surface);border:1px solid var(--border-medium);border-radius:10px;align-items:center;gap:2px;height:32px;padding:2px;display:inline-flex}.theme-segment-btn{width:26px;height:26px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:7px;justify-content:center;align-items:center;display:inline-flex}.theme-segment-btn:hover{color:var(--text-primary);background-color:var(--bg-surface-elevated)}.theme-segment-btn.active{background-color:var(--indigo-500);color:#fff;box-shadow:0 2px 6px var(--indigo-glow)}[data-theme=light] .brand-icon-wrapper{box-shadow:none;background:linear-gradient(145deg,#e0e7ff,#e0f2fe);border:1px solid #4f46e54d}[data-theme=light] .theme-segment-btn.active{background-color:var(--indigo-600);color:#fff}[data-theme=light] .privacy-pill{color:#047857;background-color:#10b9811f;border-color:#10b9814d}[data-theme=light] .stats-pill{border-color:var(--border-medium);background-color:#f1f5f9}[data-theme=light] .dropzone-card{background-color:#fff;border-color:#cbd5e1}[data-theme=light] .dropzone-card.drag-active{border-color:var(--emerald-500);background-color:#f0fdf4}[data-theme=light] .image-card{border-color:var(--border-subtle);box-shadow:var(--shadow-sm);background-color:#fff}[data-theme=light] .image-card:hover{border-color:var(--border-active);box-shadow:var(--shadow-md);background-color:#fff}[data-theme=light] .sidebar-header,[data-theme=light] .sidebar-section{border-bottom-color:var(--border-subtle)}[data-theme=light] .setting-input{border-color:var(--border-medium);color:var(--text-primary);background-color:#f8fafc}[data-theme=light] .setting-input:focus{border-color:var(--border-focus);background-color:#fff}[data-theme=light] .comparison-modal-backdrop{background-color:#0f172ab3}[data-theme=light] .comparison-stage{background:radial-gradient(circle,#f1f5f9 0%,#e2e8f0 100%)}[data-theme=light] .split-overlay-badge{color:#0f172a;background-color:#ffffffd9;border-color:#0000001a;box-shadow:0 4px 12px #0000001f}[data-theme=light] .split-center-handle{color:var(--indigo-600);background-color:#fff;box-shadow:0 2px 10px #0003}.optipress-app-root{flex-direction:column;height:100vh;display:flex;overflow:hidden}.optipress-main-layout{flex:1;min-height:0;display:flex;position:relative;overflow:hidden}.sidebar-container{background-color:var(--bg-sidebar);border-right:1px solid var(--border-subtle);z-index:10;flex-direction:column;width:340px;min-width:340px;max-width:340px;height:100%;min-height:0;display:flex}.sidebar-top-bar{padding:var(--space-4);border-bottom:1px solid var(--border-subtle);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.sidebar-title-block{align-items:center;gap:var(--space-2);display:flex}.sidebar-heading{color:var(--text-primary);letter-spacing:-.01em;font-size:.92rem;font-weight:700}.sidebar-header-btn-row{align-items:center;gap:var(--space-2);display:flex}.sidebar-icon-btn{background-color:var(--bg-surface);border:1px solid var(--border-medium);width:32px;height:32px;color:var(--text-secondary);border-radius:10px;justify-content:center;align-items:center;display:flex}.sidebar-icon-btn:hover:not(:disabled){background-color:var(--bg-surface-elevated);border-color:var(--border-active);color:var(--text-primary)}.sidebar-icon-btn.danger-hover:hover:not(:disabled){border-color:var(--rose-500);color:var(--rose-500);background-color:#ef444426}.sidebar-icon-btn:disabled{opacity:.35;cursor:not-allowed}.sidebar-scrollable-content{min-height:0;padding:var(--space-4);padding-bottom:var(--space-8);gap:var(--space-4);flex-direction:column;flex:1;display:flex;overflow:hidden auto}.setting-card{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-4);gap:var(--space-3);flex-direction:column;flex-shrink:0;display:flex}.card-header-flex{justify-content:space-between;align-items:center;display:flex}.card-section-label{text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);font-size:.78rem;font-weight:600}.preset-active-badge{border-radius:var(--radius-pill);color:var(--indigo-400);background-color:#6366f126;border:1px solid #6366f14d;padding:2px 7px;font-size:.68rem;font-weight:700}.preset-grid{gap:var(--space-2);grid-template-columns:repeat(3,1fr);display:grid}.preset-btn{padding:var(--space-2) var(--space-1);background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex}.preset-btn:hover{background-color:var(--bg-surface-elevated);border-color:var(--border-medium)}.preset-btn.active{border-color:var(--indigo-500);background-color:#6366f126;box-shadow:0 0 12px #6366f140}.preset-name{color:var(--text-primary);font-size:.76rem;font-weight:600}.preset-sub{color:var(--text-muted);font-size:.65rem}.slider-header-row{justify-content:space-between;align-items:center;display:flex}.slider-value-pill{color:var(--indigo-400);border-radius:var(--radius-pill);background-color:#6366f126;border:1px solid #6366f14d;padding:2px 8px;font-size:.8rem;font-weight:700}.slider-control-wrapper{gap:var(--space-2);flex-direction:column;display:flex}.custom-range-slider{-webkit-appearance:none;background:linear-gradient(90deg, var(--amber-500) 0%, var(--indigo-500) 50%, var(--emerald-500) 100%);cursor:pointer;border-radius:3px;outline:none;width:100%;height:6px}.custom-range-slider::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;width:18px;height:18px;transition:transform var(--transition-fast);background:#fff;border-radius:50%;box-shadow:0 2px 8px #00000080}.custom-range-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider-ticks-row{justify-content:space-between;gap:4px;display:flex}.tick-btn{color:var(--text-muted);border-radius:var(--radius-sm);background-color:var(--bg-input);border:1px solid var(--border-subtle);padding:2px 6px;font-size:.68rem}.tick-btn:hover{color:var(--text-primary);border-color:var(--border-medium)}.slider-helper-hint{color:var(--text-secondary);font-size:.72rem;line-height:1.35}.advanced-accordion-card{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:border-color var(--transition-fast);flex-shrink:0;overflow:hidden}.advanced-accordion-card:hover{border-color:var(--border-medium)}.accordion-toggle-btn{width:100%;padding:var(--space-3) var(--space-4);-webkit-user-select:none;user-select:none;background-color:#0000;justify-content:space-between;align-items:center;display:flex}.accordion-toggle-left{align-items:center;gap:var(--space-2);display:flex}.accordion-title{color:var(--text-primary);font-size:.82rem;font-weight:600}.accordion-toggle-right{align-items:center;gap:var(--space-2);color:var(--text-muted);display:flex}.accordion-state-tag{color:var(--text-secondary);font-size:.7rem}.accordion-body-content{padding:var(--space-4);border-top:1px solid var(--border-subtle);background-color:var(--bg-sidebar);gap:var(--space-5);flex-direction:column;animation:.2s slideDown;display:flex}.control-group{gap:var(--space-2);flex-direction:column;display:flex}.sub-label-row{justify-content:space-between;align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.label-with-icon{align-items:center;gap:var(--space-2);display:flex}.sub-label{color:var(--text-body);font-size:.76rem;font-weight:700}.helper-badge{border-radius:var(--radius-sm);background-color:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-muted);padding:1px 6px;font-size:.65rem;font-weight:600}.helper-badge.emerald{color:var(--emerald-400);background-color:#10b9811a;border-color:#10b98140}.dim-action-btn{border-radius:var(--radius-pill);background-color:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-secondary);align-items:center;gap:4px;padding:2px 8px;font-size:.7rem;font-weight:600;display:flex}.dim-action-btn:hover{background-color:var(--bg-surface-elevated);border-color:var(--indigo-500);color:var(--text-primary)}.dimension-box-card{background-color:var(--bg-input);border:1px solid var(--border-medium);border-radius:var(--radius-md);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);align-items:center;gap:4px;padding:4px;display:flex}.dimension-box-card:focus-within{border-color:var(--indigo-500);box-shadow:0 0 0 3px #6366f133}.dim-field-group{background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);min-width:0;transition:all var(--transition-fast);flex-direction:column;flex:1;padding:4px 8px;display:flex;position:relative}.dim-field-group:focus-within{border-color:var(--indigo-500);background-color:var(--bg-surface-elevated);box-shadow:0 0 0 1px var(--indigo-500), 0 0 10px #6366f133}.dim-floating-header{align-items:center;gap:4px;margin-bottom:2px;display:flex}.dim-axis-pill{color:var(--indigo-400);background-color:#6366f133;border-radius:3px;padding:0 4px;font-size:.6rem;font-weight:800}.dim-axis-title{color:var(--text-muted);font-size:.65rem}.dim-input-inner{align-items:center;display:flex;position:relative}.dim-enhanced-input{width:100%;min-width:0;height:28px;color:var(--text-primary);background:0 0;border:none;font-family:inherit;font-size:.95rem;font-weight:600;box-shadow:none!important;outline:none!important}.dim-enhanced-input:focus,.dim-enhanced-input:focus-visible{box-shadow:none!important;outline:none!important}.dim-enhanced-input::placeholder{color:var(--text-muted);font-size:.8rem;font-weight:400}.dim-unit-tag{color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-shrink:0;font-size:.7rem;font-weight:600}.dim-clear-btn{width:18px;height:18px;color:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:4px;display:flex}.dim-clear-btn:hover{background-color:var(--bg-surface-elevated);color:var(--text-primary)}.dim-center-link-wrapper{flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:2px;padding:0 4px;display:flex}.dim-lock-icon-btn{border-radius:var(--radius-sm);background-color:var(--bg-surface);border:1px solid var(--border-medium);width:32px;height:32px;color:var(--text-muted);transition:all var(--transition-fast);justify-content:center;align-items:center;display:flex}.dim-lock-icon-btn.locked{border-color:var(--indigo-500);color:var(--indigo-400);background-color:#6366f126;box-shadow:0 0 8px #6366f14d}.dim-lock-icon-btn:hover{transform:scale(1.08)}.dim-lock-label{color:var(--text-muted);font-size:.6rem;font-weight:600}.resolution-preset-row{gap:var(--space-1);flex-wrap:wrap;display:flex}.res-preset-pill{border-radius:var(--radius-sm);background-color:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-secondary);align-items:center;gap:4px;padding:4px 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10px;display:flex}.filesize-input-card:focus-within{border-color:var(--emerald-500);background-color:var(--bg-surface-elevated);box-shadow:0 0 0 1px var(--emerald-500), 0 0 14px #10b98147}.filesize-input-inner{align-items:center;display:flex;position:relative}.filesize-input-field{width:100%;min-width:0;height:32px;color:var(--text-primary);background:0 0;border:none;font-family:inherit;font-size:.95rem;font-weight:600;box-shadow:none!important;outline:none!important}.filesize-input-field:focus,.filesize-input-field:focus-visible{box-shadow:none!important;outline:none!important}.filesize-input-field::placeholder{color:var(--text-muted);font-size:.78rem;font-weight:400}.filesize-unit-badge{color:var(--emerald-400);-webkit-user-select:none;user-select:none;white-space:nowrap;flex-shrink:0;font-size:.72rem;font-weight:700}.filesize-clear-btn{width:20px;height:20px;color:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-left:6px;display:flex}.filesize-clear-btn:hover{background-color:var(--bg-surface-elevated);color:var(--text-primary)}.filesize-active-callout{color:var(--emerald-400);border-top:1px dashed #10b98133;align-items:center;gap:6px;padding-top:4px;font-size:.72rem;display:flex}.filesize-quick-presets{gap:var(--space-1);flex-wrap:wrap;display:flex}.filesize-pill{border-radius:var(--radius-sm);background-color:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-secondary);padding:4px 8px;font-size:.7rem;font-weight:600}.filesize-pill:hover{background-color:var(--bg-surface-elevated);border-color:var(--border-medium);color:var(--text-primary)}.filesize-pill.active{border-color:var(--emerald-500);color:var(--emerald-400);background-color:#10b98126}.filesize-pill.reset{color:var(--text-muted)}.format-selector-grid{gap:var(--space-2);grid-template-columns:repeat(2,1fr);display:grid}.format-btn{background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);text-align:left;flex-direction:column;align-items:flex-start;padding:8px 10px;display:flex}.format-btn:hover{background-color:var(--bg-surface-elevated);border-color:var(--border-medium)}.format-btn.active{border-color:var(--indigo-500);background-color:#6366f126}.format-btn-name{color:var(--text-primary);font-size:.78rem;font-weight:700}.format-btn-desc{color:var(--text-muted);font-size:.65rem}.segmented-control{background-color:var(--bg-input);border:1px solid var(--border-subtle);border-radius:10px;gap:2px;padding:2px;display:flex}.segmented-btn{justify-content:center;align-items:center;gap:var(--space-1);padding:6px var(--space-2);color:var(--text-secondary);transition:all var(--transition-fast);border-radius:7px;flex:1;font-size:.74rem;font-weight:500;display:flex}.segmented-btn.active{background-color:var(--bg-surface-elevated);color:var(--text-primary);font-weight:600;box-shadow:0 2px 4px #0000004d}.sidebar-sticky-footer{padding:var(--space-4);border-top:1px solid var(--border-subtle);background-color:var(--bg-sidebar);gap:var(--space-3);z-index:20;flex-direction:column;flex-shrink:0;display:flex;box-shadow:0 -4px 16px #00000040}.savings-highlight-card{border-radius:var(--radius-md);background-color:#10b98114;border:1px solid #10b98140;flex-direction:column;gap:4px;padding:8px 12px;display:flex}.savings-meta-row{justify-content:space-between;align-items:center;display:flex}.savings-label{color:var(--text-secondary);font-size:.72rem}.savings-percent-badge{background-color:var(--emerald-500);color:#fff;border-radius:var(--radius-pill);padding:1px 6px;font-size:.7rem;font-weight:700}.savings-size-row{align-items:center;gap:var(--space-2);font-size:.85rem;display:flex}.size-before{color:var(--text-muted);text-decoration:line-through}.size-arrow-icon{color:var(--emerald-400)}.primary-cta-btn{border-radius:var(--radius-md);color:#fff;width:100%;height:48px;box-shadow:var(--shadow-cta);background:linear-gradient(135deg,#10b981 0%,#059669 100%);flex-shrink:0;justify-content:center;align-items:center;font-size:.94rem;font-weight:700;display:flex;position:relative;overflow:hidden}.primary-cta-btn:hover:not(:disabled){background:linear-gradient(135deg,#34d399 0%,#059669 100%);transform:translateY(-1px);box-shadow:0 8px 25px #10b98180}.primary-cta-btn:active:not(:disabled){transform:translateY(0)scale(.99)}.primary-cta-btn.glow-active{animation:2.5s infinite pulseEmeraldGlow}.primary-cta-btn:disabled{opacity:.45;background:var(--bg-surface);border:1px solid var(--border-medium);color:var(--text-muted);box-shadow:none;cursor:not-allowed}.cta-content-row{align-items:center;gap:var(--space-2);display:flex}.cta-download-icon{animation:1.8s ease-in-out infinite floatDown}.optipress-workspace-stage{background-color:var(--bg-app);min-height:0;padding:var(--space-6);flex-direction:column;flex:1;display:flex;overflow:hidden auto}.empty-workspace-container{justify-content:center;align-items:center;height:100%;display:flex}.hero-drop-zone{background:radial-gradient(circle at 50% 30%, #6366f114, transparent 70%), var(--bg-surface);border:2px dashed var(--border-medium);border-radius:var(--radius-xl);width:100%;max-width:760px;min-height:420px;padding:var(--space-8);cursor:pointer;transition:all var(--transition-smooth);justify-content:center;align-items:center;display:flex;position:relative}.hero-drop-zone:hover{border-color:var(--indigo-500);background-color:#6366f10a;transform:translateY(-2px)}.hero-drop-zone.drag-active-glow{border-color:var(--emerald-400);background-color:#10b98114;border-style:solid;transform:scale(1.01);box-shadow:0 0 35px #10b98159}.drop-zone-content{text-align:center;align-items:center;gap:var(--space-5);z-index:2;flex-direction:column;display:flex}.drop-icon-circle{width:80px;height:80px;color:var(--indigo-400);background:linear-gradient(135deg,#6366f126,#4f46e50d);border:1px solid #6366f14d;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative}.main-upload-icon{transition:transform var(--transition-bounce)}.hero-drop-zone:hover .main-upload-icon{transform:translateY(-4px)}.drop-icon-ring{border:1px dashed #6366f14d;border-radius:50%;animation:12s linear infinite spinSlow;position:absolute;inset:-6px}.drop-text-stack{gap:var(--space-2);flex-direction:column;max-width:480px;display:flex}.drop-title{color:var(--text-primary);letter-spacing:-.02em;font-size:1.35rem;font-weight:700}.drop-description{color:var(--text-secondary);font-size:.88rem}.drop-actions-row{align-items:center;gap:var(--space-3);flex-wrap:wrap;justify-content:center;display:flex}.drop-browse-btn{align-items:center;gap:var(--space-2);border-radius:var(--radius-md);background:linear-gradient(135deg, var(--indigo-500), var(--indigo-600));color:#fff;box-shadow:0 4px 15px var(--indigo-glow);padding:10px 22px;font-size:.88rem;font-weight:600;display:inline-flex}.drop-browse-btn:hover{background:linear-gradient(135deg, var(--indigo-400), var(--indigo-500));transform:translateY(-1px)}.drop-sample-btn{align-items:center;gap:var(--space-2);border-radius:var(--radius-md);background-color:var(--bg-surface-elevated);border:1px solid var(--border-medium);color:var(--text-body);padding:10px 18px;font-size:.88rem;font-weight:600;display:inline-flex}.drop-sample-btn:hover{border-color:var(--amber-400);color:#fff;background-color:#fbbf2414}.drop-footer-info{align-items:center;gap:var(--space-2);margin-top:var(--space-2);flex-direction:column;display:flex}.format-pills-list{gap:var(--space-2);flex-wrap:wrap;justify-content:center;display:flex}.format-pill{border-radius:var(--radius-sm);background-color:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-muted);padding:3px 8px;font-size:.7rem;font-weight:600}.paste-hint-badge{color:var(--text-muted);background-color:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-pill);align-items:center;gap:6px;padding:4px 10px;font-size:.75rem;display:inline-flex}.paste-hint-dot{background-color:var(--emerald-400);width:6px;height:6px;box-shadow:0 0 8px var(--emerald-glow);border-radius:50%;display:inline-block}.kbd-shortcut,kbd{font-family:var(--font-mono,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace);background-color:var(--bg-surface-elevated);border:1px solid var(--border-medium);color:var(--indigo-400);border-radius:5px;padding:2px 6px;font-size:.7rem;font-weight:700;line-height:1;display:inline-block;box-shadow:0 1px 2px #0003}.kbd-shortcut.compact{margin:0 2px;padding:1px 5px;font-size:.68rem}[data-theme=light] .kbd-shortcut,[data-theme=light] kbd{color:var(--indigo-600);background-color:#fff;border:1px solid #6366f14d;box-shadow:0 1px 3px #00000014}.compact-drop-zone{border:1px dashed var(--border-medium);border-radius:var(--radius-lg);padding:var(--space-3);text-align:center;background-color:var(--bg-surface);cursor:pointer;transition:all var(--transition-fast)}.compact-drop-zone:hover{border-color:var(--indigo-500);background-color:#6366f10a}.compact-drop-zone.drag-active-glow{border-color:var(--emerald-400);background-color:#10b98114}.compact-drop-content{justify-content:center;align-items:center;gap:var(--space-2);color:var(--text-secondary);font-size:.8rem;display:flex}.active-workspace-pane{gap:var(--space-6);flex-direction:column;min-height:100%;display:flex}.workspace-top-bar{padding-bottom:var(--space-4);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.workspace-left-status{align-items:center;gap:var(--space-4);display:flex}.workspace-count-badge{align-items:center;gap:var(--space-2);display:flex}.count-number{color:var(--text-primary);font-size:1.25rem;font-weight:700}.count-label{color:var(--text-muted);font-size:.85rem}.workspace-savings-pill{align-items:center;gap:var(--space-2);background-color:var(--bg-surface);border:1px solid var(--border-medium);border-radius:var(--radius-pill);padding:4px 12px;font-size:.8rem;display:flex}.workspace-right-controls{align-items:center;gap:var(--space-3);display:flex}.grid-list-toggle{background-color:var(--bg-surface);border:1px solid var(--border-medium);border-radius:10px;align-items:center;gap:2px;height:32px;padding:2px;display:inline-flex}.view-toggle-btn{width:26px;height:26px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 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var(--border-medium);color:var(--text-body)}.workspace-action-btn.secondary:hover{background-color:var(--bg-surface-elevated);border-color:var(--border-active);color:var(--text-primary)}.workspace-action-btn.danger-subtle{color:#f87171;background-color:#ef444414;border:1px solid #ef444438}.workspace-action-btn.danger-subtle:hover{color:#ef4444;background-color:#ef444429;border-color:#ef444466}.workspace-toolbar-divider{background-color:var(--border-medium);width:1px;height:18px;margin:0 3px}.image-cards-grid{gap:var(--space-6);grid-template-columns:repeat(auto-fill,minmax(280px,1fr));display:grid}.image-card-item{background-color:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);transition:all 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7px;font-size:.68rem;font-weight:800;box-shadow:0 2px 6px #10b98166}.card-remove-action{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;z-index:3;opacity:.8;background-color:#08090ebf;border:1px solid #ffffff26;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;display:flex;position:absolute;top:10px;right:10px}.card-remove-action:hover{opacity:1;background-color:#dc2626f2;transform:scale(1.1)}.card-hover-overlay{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);justify-content:center;align-items:center;gap:var(--space-2);opacity:0;transition:opacity var(--transition-fast);z-index:2;background:#08090ea6;display:flex;position:absolute;inset:0}.image-card-item:hover .card-hover-overlay{opacity:1}.hover-action-btn{border-radius:var(--radius-md);align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:600;display:inline-flex}.hover-action-btn.primary{background:linear-gradient(135deg, var(--indigo-500), 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#000000d9,0 0 0 1px #ffffff1a}.split-img-layer-base{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;width:auto;max-width:100%;height:auto;max-height:50vh;display:block}.split-img-layer-overlay{pointer-events:none;width:100%;height:100%;position:absolute;inset:0;overflow:hidden}.split-img-layer-top{object-fit:contain;pointer-events:none;-webkit-user-select:none;user-select:none;width:100%;height:100%;position:absolute;inset:0}.split-overlay-badges{pointer-events:none;z-index:10;transition:opacity .15s;position:absolute;inset:0}.split-layer-badge{border-radius:var(--radius-sm);letter-spacing:.03em;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);-webkit-user-select:none;user-select:none;padding:5px 12px;font-size:.72rem;font-weight:700;position:absolute;top:12px}.split-layer-badge.original{color:var(--text-secondary);background-color:#0e111ae6;border:1px solid #ffffff38;right:12px}.split-layer-badge.compressed{color:#fff;background-color:#10b981eb;left:12px;box-shadow:0 4px 15px #10b98166}.modal-error-fallback{justify-content:center;align-items:center;gap:var(--space-3);padding:var(--space-6);text-align:center;color:var(--text-muted);flex-direction:column;display:flex}.slider-divider-line{z-index:20;pointer-events:none;background-color:#fff;width:2px;position:absolute;top:0;bottom:0;transform:translate(-50%);box-shadow:0 0 12px #000000f2,0 0 6px #fff}.slider-handle-thumb{color:#1e1b4b;cursor:ew-resize;pointer-events:auto;background:#fff;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:transform .15s cubic-bezier(.16,1,.3,1),box-shadow .15s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 4px 20px #000000bf,0 0 0 3px #6366f199}.slider-handle-thumb:hover,.split-slider-container.is-dragging 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