:root{--bg-dark: #f4efe6;--bg-card: #fbf8f2;--bg-card-border: #e2d9c8;--bg-card-hover-border: #c9bca4;--bg-input: #efe8db;--bg-segmented: #e7ddcc;--bg-segmented-active: #fbf8f2;--primary-gradient: linear-gradient(135deg, #d97706 0%, #92400e 100%);--primary-color: #d97706;--primary-light: #fbe6cf;--primary-hover: #b45309;--accent-color: #b45309;--danger-color: #dc2626;--success-color: #4d7c0f;--text-main: #292524;--text-muted: #57534e;--text-dark: #78716c;--text-white: #fbf8f2;--font-display: "Archivo", "Inter", -apple-system, sans-serif;--font-body: "Inter", -apple-system, sans-serif;--border-radius-lg: 10px;--border-radius-md: 8px;--transition-smooth: all .25s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px rgba(41, 37, 36, .08);--shadow-md: 0 2px 0 rgba(41, 37, 36, .05), 0 4px 12px rgba(41, 37, 36, .08);--shadow-lg: 0 3px 0 rgba(41, 37, 36, .06), 0 12px 24px rgba(41, 37, 36, .14);--checker-bg: #f4efe6;--checker-color: #e2d9c8}.app-container.dark-theme{--bg-dark: #1c1917;--bg-card: #292524;--bg-card-border: #44403c;--bg-card-hover-border: #57534e;--bg-input: #1c1917;--bg-segmented: #1c1917;--bg-segmented-active: #44403c;--primary-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);--primary-color: #f59e0b;--primary-light: #451a03;--primary-hover: #fbbf24;--accent-color: #fbbf24;--success-color: #84cc16;--text-main: #f5f0e8;--text-muted: #d6cfc4;--text-dark: #a8a29e;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .35);--shadow-md: 0 2px 0 rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 3px 0 rgba(0, 0, 0, .3), 0 15px 30px rgba(0, 0, 0, .5);--checker-bg: #292524;--checker-color: #1c1917}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;min-height:100vh;position:relative;overflow:hidden;transition:background-color .3s ease}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-card-border);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}.loading-screen{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--bg-dark);z-index:9999;display:flex;justify-content:center;align-items:center;transition:opacity .5s ease,visibility .5s ease}.loading-screen.fade-out{opacity:0;visibility:hidden}.loader-container{text-align:center;position:relative}.glow-ring{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:160px;height:160px;border-radius:50%;background:var(--primary-gradient);opacity:.1;filter:blur(20px);animation:pulse-ring 2s infinite ease-in-out}.loader-spinner{width:80px;height:80px;border:4px solid var(--bg-card-border);border-top-color:var(--primary-color);border-bottom-color:var(--accent-color);border-radius:50%;margin:0 auto 24px;animation:spin 1.2s cubic-bezier(.5,.1,.4,.9) infinite}.loader-container h2{font-family:var(--font-display);font-size:2.5rem;font-weight:800;letter-spacing:1px;margin-bottom:8px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.loader-container p{color:var(--text-muted);font-size:1.1rem;margin-bottom:20px}.progress-bar-container{width:240px;height:4px;background:var(--bg-card-border);border-radius:2px;margin:0 auto;overflow:hidden}.progress-bar-fill{height:100%;width:30%;background:var(--primary-gradient);border-radius:2px;animation:simulate-progress 2s infinite linear}.app-container{max-width:100vw;height:100vh;margin:0 auto;padding:0;display:flex;flex-direction:column;overflow:hidden;position:relative}.app-header{height:70px;border-bottom:1px solid var(--bg-card-border);background:var(--bg-card);padding:0 24px;display:flex;align-items:center;justify-content:center;position:relative;z-index:100;flex-shrink:0;box-shadow:var(--shadow-sm);transition:var(--transition-smooth)}.header-left{display:flex;flex-direction:column;align-items:center;text-align:center}.logo-area{display:flex;align-items:center;gap:10px}.logo-svg{width:30px;height:30px}.logo-area h1{font-family:var(--font-display);font-size:1.8rem;font-weight:800;letter-spacing:-.5px;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.badge{background:var(--primary-light);border:1px solid var(--primary-color);color:var(--primary-color);font-size:.75rem;font-weight:700;padding:1px 8px;border-radius:9999px;letter-spacing:.5px;transition:var(--transition-smooth)}.subtitle{color:var(--text-muted);font-size:.85rem;margin-top:2px}.header-right{display:flex;align-items:center;gap:16px;position:absolute;right:24px;top:50%;transform:translateY(-50%)}.btn-theme-toggle{background:var(--bg-input);border:1px solid var(--bg-card-border);color:var(--text-muted);width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-smooth)}.btn-theme-toggle:hover{background:var(--primary-light);color:var(--primary-color);border-color:var(--primary-color);transform:rotate(15deg)}.btn-theme-toggle svg{width:20px;height:20px}.app-main{flex:1;display:flex;min-height:0;position:relative;background-color:var(--bg-dark);background-image:linear-gradient(var(--bg-card-border) 1px,transparent 1px),linear-gradient(90deg,var(--bg-card-border) 1px,transparent 1px);background-size:26px 26px;transition:background-color .3s ease}.app-main:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--bg-dark);opacity:.55;pointer-events:none}.app-main>*{position:relative;z-index:1}.app-sidebar{width:380px;min-width:380px;max-width:380px;border-right:1px solid var(--bg-card-border);background:var(--bg-card);display:flex;flex-direction:column;height:100%;z-index:90;position:relative;box-shadow:2px 0 10px #00000003;transition:var(--transition-smooth)}.settings-scroller{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:16px;scroll-behavior:smooth}.card{background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--border-radius-md);padding:16px;box-shadow:var(--shadow-sm);transition:var(--transition-smooth)}.card:hover{border-color:var(--bg-card-hover-border)}.group-label{font-family:var(--font-display);font-size:1rem;font-weight:800;letter-spacing:-.2px;color:var(--text-main);margin-bottom:12px;border-left:4px solid var(--primary-color);padding-left:10px}.settings-card-tabs{padding:0!important;display:flex;flex-direction:column;overflow:visible}.settings-tabs-bar{display:flex;background:var(--bg-segmented);padding:4px;border-bottom:1px solid var(--bg-card-border);gap:4px;overflow:hidden;flex-wrap:nowrap;flex-shrink:0;border-top-left-radius:9px;border-top-right-radius:9px}.tab-trigger{flex:1;font-family:var(--font-display);font-size:.72rem;font-weight:700;height:30px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-muted);cursor:pointer;border-radius:6px;transition:var(--transition-smooth);text-align:center;white-space:nowrap;line-height:1}.tab-trigger:hover{color:var(--text-main);background:#fff6}.app-container.dark-theme .tab-trigger:hover{background:#ffffff0d}.tab-trigger.active{background:var(--bg-segmented-active);box-shadow:var(--shadow-sm)}.tab-trigger[data-tab=tab-filters].active{color:#c2410c}.tab-trigger[data-tab=tab-binarize].active{color:#a16207}.tab-trigger[data-tab=tab-vector].active{color:#4d7c0f}.tab-trigger[data-tab=tab-export].active{color:#9a3412}.tab-contents-container{padding:16px;border-bottom-left-radius:9px;border-bottom-right-radius:9px;transition:background-color .3s cubic-bezier(.4,0,.2,1)}.settings-tab-content{display:none;flex-direction:column;gap:14px}.settings-tab-content.active{display:flex}.control-subgroup{display:flex;flex-direction:column;gap:6px}.subgroup-label{font-size:.8rem;font-weight:600;color:var(--text-muted)}.card-header-static{font-family:var(--font-display);font-size:.95rem;font-weight:600;color:var(--text-main);margin-bottom:10px}.drop-zone{border:2px dashed var(--bg-card-border);border-radius:var(--border-radius-md);padding:24px 16px;text-align:center;position:relative;cursor:pointer;background:var(--bg-dark);transition:var(--transition-smooth);overflow:hidden;min-height:110px;display:flex;flex-direction:column;justify-content:center}.drop-zone:hover{border-color:var(--primary-color);background:var(--primary-light);box-shadow:0 4px 12px #92400e0d}.drop-zone.drag-over{border-color:var(--accent-color);background:var(--primary-light)}.file-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:5}.upload-icon{width:28px;height:28px;color:var(--text-dark);margin:0 auto 8px;transition:var(--transition-smooth)}.drop-zone:hover .upload-icon{color:var(--primary-color);transform:translateY(-2px)}.drop-zone .primary-text{font-size:.85rem;font-weight:600;margin-bottom:2px}.drop-zone .primary-text span{color:var(--primary-color);text-decoration:underline}.drop-zone .secondary-text{font-size:.75rem;color:var(--text-dark)}.upload-preview-container{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--bg-card);display:flex;align-items:center;justify-content:center;z-index:10}.upload-preview-container img{max-width:100%;max-height:100%;object-fit:contain;padding:8px}.btn-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#ef4444e6;border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-smooth);z-index:20;box-shadow:0 2px 6px #00000026}.btn-remove:hover{background:var(--danger-color);transform:scale(1.1)}.btn-remove svg{width:14px;height:14px}.disabled-controls{opacity:.35;pointer-events:none;transition:var(--transition-smooth)}.enabled-controls{opacity:1;pointer-events:auto}.slider-wrapper{margin-bottom:4px}.slider-header{display:flex;justify-content:space-between;font-size:.85rem;margin-bottom:6px;color:var(--text-muted);font-weight:500}.slider-val{color:var(--primary-color);font-family:var(--font-display);font-weight:700;background:var(--primary-light);padding:1px 6px;border-radius:4px;font-size:.75rem}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:5px;background:var(--bg-input);border-radius:99px;outline:none;margin:10px 0;transition:var(--transition-smooth)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 2px 6px #92400e59;transition:transform .1s ease,background-color .1s ease;border:2px solid var(--bg-card)}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.25);background:var(--primary-hover)}input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--primary-color);cursor:pointer;box-shadow:0 2px 6px #92400e59;transition:transform .1s ease,background-color .1s ease;border:2px solid var(--bg-card)}input[type=range]::-moz-range-thumb:hover{transform:scale(1.25);background:var(--primary-hover)}.control-desc{font-size:.75rem;color:var(--text-dark);line-height:1.4;margin-top:2px}.segmented-control{display:flex;background:var(--bg-segmented);padding:3px;border-radius:8px;gap:3px;width:100%}.mode-3-cols .segment-tab{flex:0 0 calc(33.333% - 2px);width:calc(33.333% - 2px)}.mode-2-cols .segment-tab{flex:0 0 calc(50% - 2.5px);width:calc(50% - 2.5px)}.segment-tab{cursor:pointer;display:block}.segment-tab input[type=radio]{display:none}.segment-label{display:block;width:100%;text-align:center;font-size:.8rem;padding:8px 6px;border-radius:6px;font-weight:600;color:var(--text-muted);background:transparent;transition:var(--transition-smooth);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;border:1px solid transparent}.segment-tab:hover .segment-label{color:var(--text-main);background:#fff6}.app-container.dark-theme .segment-tab:hover .segment-label{background:#ffffff0d}.segment-tab input[type=radio]:checked+.segment-label{background:var(--bg-segmented-active);color:var(--primary-color);box-shadow:var(--shadow-sm);border-color:var(--bg-card-border)}.segment-tab input[type=radio]:checked+.color-label-red{background:#fee2e2;color:#ef4444;border-color:#fca5a5}.app-container.dark-theme .segment-tab input[type=radio]:checked+.color-label-red{background:#7f1d1d;color:#fca5a5;border-color:#991b1b}.segment-tab input[type=radio]:checked+.color-label-black{background:var(--text-main);color:var(--bg-card);border-color:var(--text-muted)}.checkbox-wrapper{margin-top:8px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;cursor:pointer;color:var(--text-main);-webkit-user-select:none;user-select:none}.checkbox-label input[type=checkbox]{width:15px;height:15px;accent-color:var(--primary-color);cursor:pointer}.preset-buttons-group{display:flex;gap:8px;align-items:center}.btn-preset{flex:1;font-family:var(--font-display);font-size:.8rem;padding:8px 10px;background:var(--primary-light);border:1px solid var(--bg-card-border);color:var(--primary-color);border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-smooth);font-weight:600;text-align:center;white-space:nowrap}.btn-preset:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-hover);box-shadow:0 2px 8px #92400e2e}.btn-reset{width:32px;height:32px;min-width:32px;background:var(--bg-input);border:1px solid var(--bg-card-border);color:var(--text-muted);border-radius:var(--border-radius-md);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-smooth)}.btn-reset:hover{background:var(--primary-light);border-color:var(--primary-color);color:var(--primary-color)}.btn-reset svg{transition:transform .4s ease}.btn-reset:hover svg{transform:rotate(-180deg)}.sidebar-action-buttons{border-top:1px solid var(--bg-card-border);padding:16px 20px;background:var(--bg-card);display:flex;flex-direction:column;gap:10px;box-shadow:0 -4px 15px #00000005;z-index:5;flex-shrink:0;transition:var(--transition-smooth)}.btn{font-family:var(--font-display);font-size:.95rem;font-weight:600;padding:12px 20px;border-radius:var(--border-radius-md);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition-smooth);width:100%}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:0 3px #92400e59,0 4px 12px #92400e2e}.btn-primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.btn-primary:active{transform:translateY(1px)}.btn-secondary{background:var(--bg-input);border:1px solid var(--bg-card-border);color:var(--text-main)}.btn-secondary:hover{background:var(--primary-light);border-color:var(--primary-color);color:var(--primary-color)}.btn-icon{width:16px;height:16px}.app-workspace{flex:1;display:flex;flex-direction:column;padding:16px 20px;min-width:0;height:100%;overflow:hidden;transition:var(--transition-smooth)}.workspace-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-shrink:0}.workspace-title{display:flex;align-items:center;gap:8px}.workspace-icon{width:20px;height:20px;color:var(--primary-color)}.workspace-title h2{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--text-main)}.stats-panel-compact{display:flex;align-items:center;background:var(--bg-card);border:1px solid var(--bg-card-border);padding:6px 16px;border-radius:99px;box-shadow:var(--shadow-sm);transition:var(--transition-smooth)}.stats-panel-compact .stat-item{display:flex;align-items:center;gap:8px}.stats-panel-compact .stat-label{font-size:.75rem;color:var(--text-dark);font-weight:500}.stats-panel-compact .stat-value{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--primary-color)}.stats-panel-compact .stat-divider{width:1px;height:14px;background:var(--bg-card-border);margin:0 12px}.preview-panel{flex:1;display:flex;flex-direction:column;min-height:0;padding:0;overflow:visible;background:transparent!important;border:none!important;box-shadow:none!important}.preview-grid{flex:1;display:grid;grid-template-columns:1fr 1fr;gap:16px;min-height:0;height:100%}@media(max-width:900px){.preview-grid{grid-template-columns:1fr}}.preview-pane{display:flex;flex-direction:column;height:100%;min-height:0;background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm);overflow:visible;transition:var(--transition-smooth)}.pane-header{font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--text-main);padding:8px 14px;background:var(--bg-card);border-bottom:1px solid var(--bg-card-border);letter-spacing:.5px;display:flex;align-items:center;gap:6px}.btn-pane-tool{margin-left:auto;display:inline-flex;align-items:center;gap:5px;font-family:var(--font-body);font-size:.72rem;font-weight:700;letter-spacing:0;padding:4px 9px;border-radius:999px;border:1px solid var(--bg-card-border);background:var(--bg-input);color:var(--text-muted);cursor:pointer;transition:var(--transition-smooth)}.btn-pane-tool svg{width:13px;height:13px}.btn-pane-tool:hover:not(:disabled){border-color:var(--primary-color);color:var(--primary-color);background:var(--primary-light)}.btn-pane-tool.active{border-color:var(--primary-color);background:var(--primary-color);color:#fff}.btn-pane-tool:disabled{opacity:.4;cursor:not-allowed}.compare-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:15;display:flex;align-items:center;justify-content:center;padding:16px;background-color:var(--checker-bg);background-image:linear-gradient(45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(-45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker-color) 75%),linear-gradient(-45deg,transparent 75%,var(--checker-color) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.compare-frame{position:relative;display:inline-block;line-height:0;box-shadow:var(--shadow-lg);border-radius:4px;overflow:hidden;-webkit-user-select:none;user-select:none}.compare-frame img{display:block;max-width:100%;max-height:calc(100vh - 320px);width:auto;height:auto;background:#fff}.compare-before{position:absolute;top:0;left:0;width:100%;height:100%;clip-path:inset(0 50% 0 0)}.compare-divider{position:absolute;top:0;left:50%;transform:translate(-50%);width:2px;height:100%;background:var(--primary-color);cursor:ew-resize;z-index:5}.compare-handle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;background:var(--primary-color);color:#fff;border:2px solid #fff;box-shadow:0 2px 8px #29252459;display:flex;align-items:center;justify-content:center}.compare-handle svg{width:13px;height:13px}.compare-tag{position:absolute;top:8px;font-family:var(--font-display);font-size:.68rem;font-weight:700;letter-spacing:.5px;padding:2px 8px;border-radius:999px;color:#fff;line-height:1.4}.compare-tag-before{left:8px;background:#292524bf}.compare-tag-after{right:8px;background:var(--primary-color)}.download-row-split{display:flex;gap:10px}.download-row-split .btn{flex:1;padding:10px 12px;font-size:.9rem}.btn-help{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-body);font-size:.8rem;font-weight:700;padding:7px 12px;border-radius:999px;border:1px solid var(--bg-card-border);background:var(--bg-input);color:var(--text-muted);cursor:pointer;transition:var(--transition-smooth)}.btn-help svg{width:16px;height:16px}.btn-help:hover{border-color:var(--primary-color);color:var(--primary-color);background:var(--primary-light)}.help-modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9998}.help-modal.hidden{display:none}.help-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#1c19178c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.help-dialog{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(720px,92vw);max-height:86vh;display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;animation:help-pop .2s ease-out}@keyframes help-pop{0%{opacity:0;transform:translate(-50%,-46%)}to{opacity:1;transform:translate(-50%,-50%)}}.help-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--bg-card-border);background:var(--bg-card);flex-shrink:0}.help-header h2{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--text-main)}.help-close{width:34px;height:34px;border-radius:50%;border:1px solid var(--bg-card-border);background:var(--bg-input);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-smooth)}.help-close svg{width:16px;height:16px}.help-close:hover{color:var(--danger-color);border-color:var(--danger-color)}.help-body{padding:18px 20px 22px;overflow-y:auto}.help-intro{font-size:.9rem;color:var(--text-muted);line-height:1.6;margin-bottom:16px}.help-card{border:1px solid var(--bg-card-border);border-left:4px solid var(--primary-color);border-radius:var(--border-radius-md);padding:12px 14px;margin-bottom:12px;background:var(--bg-input)}.help-card-title{font-family:var(--font-display);font-weight:700;font-size:.95rem;color:var(--text-main);margin-bottom:6px}.help-card p{font-size:.85rem;color:var(--text-muted);line-height:1.6;margin:4px 0}.help-card ul{margin:4px 0 2px;padding-left:18px}.help-card li{font-size:.85rem;color:var(--text-muted);line-height:1.7}.help-card b{color:var(--text-main);font-weight:700}.help-card code{font-family:ui-monospace,monospace;font-size:.78rem;background:var(--bg-segmented);padding:1px 5px;border-radius:4px;color:var(--primary-hover)}.help-warn{color:var(--accent-color)!important;font-size:.8rem!important}.magic-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:16;display:flex;flex-direction:column;background-color:var(--checker-bg);background-image:linear-gradient(45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(-45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker-color) 75%),linear-gradient(-45deg,transparent 75%,var(--checker-color) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.magic-layer.hidden{display:none}.magic-canvas-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;overflow:hidden;min-height:0}#magic-canvas{max-width:100%;max-height:100%;width:auto;height:auto;cursor:crosshair;background:#fff;border-radius:4px;box-shadow:var(--shadow-md)}.magic-toolbar{flex-shrink:0;display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:8px 14px;background:var(--bg-card);border-top:1px solid var(--bg-card-border)}.magic-hint{font-size:.78rem;font-weight:600;color:var(--text-muted)}.magic-tol{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--text-muted)}.magic-tol input[type=range]{width:110px;margin:0}.magic-tol span:last-child{min-width:24px;font-weight:700;color:var(--primary-color)}.magic-btn{margin-left:auto;font-family:var(--font-body);font-size:.8rem;font-weight:700;padding:6px 14px;border-radius:var(--border-radius-md);border:1px solid var(--bg-card-border);background:var(--bg-input);color:var(--text-main);cursor:pointer;transition:var(--transition-smooth)}.magic-btn+.magic-btn{margin-left:0}.magic-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.magic-btn-primary{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.magic-btn-primary:hover{background:var(--primary-hover);color:#fff}.canvas-container,.svg-container{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;overflow:auto;position:relative;min-height:0}#output-canvas,#svg-preview{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;border-radius:4px;box-shadow:0 4px 20px #00000014;background:#fff;padding:8px;border:1px solid var(--bg-card-border)}.checkerboard{background-color:var(--checker-bg);background-image:linear-gradient(45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(-45deg,var(--checker-color) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--checker-color) 75%),linear-gradient(-45deg,transparent 75%,var(--checker-color) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px;transition:var(--transition-smooth)}.empty-state{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--text-dark);padding:20px;background:var(--bg-card);z-index:10;transition:var(--transition-smooth)}.empty-state-icon{width:42px;height:42px;color:var(--text-dark);opacity:.4;margin-bottom:12px}.empty-state p{font-size:.85rem;font-weight:500;color:var(--text-muted)}.zoom-indicator{position:absolute;bottom:14px;right:14px;background:#ffffffd9;border:1px solid rgba(0,0,0,.05);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:4px 10px;border-radius:9999px;box-shadow:0 4px 12px #0000000a;font-size:.7rem;font-weight:600;color:var(--text-muted);z-index:20;pointer-events:none;-webkit-user-select:none;user-select:none}.app-container.dark-theme .zoom-indicator{background:#1e293bd9;border-color:#ffffff0d}.preview-wrapper{cursor:grab;width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.preview-wrapper:active{cursor:grabbing}#svg-preview,#output-canvas{transform-origin:center center}.onboarding-samples{margin-top:18px;text-align:left;border-top:1px solid var(--bg-card-border);padding-top:16px;transition:var(--transition-smooth)}.samples-title{font-size:.8rem;color:var(--text-muted);font-weight:600;margin-bottom:10px}.samples-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.sample-card{background:var(--bg-input);border:1px solid var(--bg-card-border);border-radius:var(--border-radius-md);padding:10px;display:flex;align-items:center;gap:8px;cursor:pointer;transition:var(--transition-smooth);text-align:left;width:100%}.sample-card:hover{background:var(--primary-light);border-color:var(--primary-color);transform:translateY(-1px)}.sample-card:active{transform:translateY(1px)}.sample-icon{font-size:1.4rem;flex-shrink:0}.sample-info{display:flex;flex-direction:column;min-width:0}.sample-name{font-size:.8rem;font-weight:700;color:var(--text-main)}.sample-desc{font-size:.65rem;color:var(--text-dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.size-scaler-container{display:flex;flex-direction:column;gap:10px}.size-inputs-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:10px;transition:var(--transition-smooth)}.size-input-field{display:flex;flex-direction:column;gap:4px}.size-input-field .input-label{font-size:.75rem;color:var(--text-muted);font-weight:500}.input-with-unit{position:relative;display:flex;align-items:center}.input-with-unit input{width:100%;padding:8px 36px 8px 10px;font-family:var(--font-display);font-size:.85rem;font-weight:700;color:var(--text-main);background:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:6px;outline:none;transition:var(--transition-smooth)}.input-with-unit input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px var(--primary-light)}.input-with-unit .unit-label{position:absolute;right:10px;font-size:.75rem;color:var(--text-dark);font-weight:600;pointer-events:none}.readonly-field input{background:var(--bg-input);color:var(--text-dark);border-color:var(--bg-card-border);cursor:not-allowed}.size-help-desc{margin-top:2px}.app-footer{text-align:center;padding:8px 24px;border-top:1px solid var(--bg-card-border);background:var(--bg-card);color:var(--text-dark);font-size:.75rem;z-index:10;flex-shrink:0;transition:var(--transition-smooth)}.footer-link{color:var(--primary-color);text-decoration:none;font-weight:600;transition:var(--transition-smooth)}.footer-link:hover{text-decoration:underline;color:var(--primary-hover)}.app-container.dark-theme .footer-link{color:var(--primary-color)}.app-container.dark-theme .footer-link:hover{color:var(--primary-hover)}.app-container.is-empty .app-sidebar{border-right:none;background:transparent;width:100%;min-width:100%;max-width:100%;box-shadow:none}.app-container.is-empty .settings-scroller,.app-container.is-empty .sidebar-action-buttons{display:none}.app-container.is-empty .upload-section{position:fixed;top:52%;left:50%;transform:translate(-50%,-50%);width:580px;max-width:90vw;z-index:1000;box-shadow:var(--shadow-lg);padding:30px;background:var(--bg-card);border-color:var(--bg-card-border);border-radius:var(--border-radius-lg);transition:all .5s cubic-bezier(.2,.8,.2,1);animation:float-in .6s cubic-bezier(.16,1,.3,1) both}.app-container.is-empty .drop-zone{min-height:220px;border-width:2px;padding:40px 20px}.app-container.is-empty .upload-icon{width:46px;height:46px;margin-bottom:12px}.app-container.is-empty .drop-zone .primary-text{font-size:1.05rem;margin-bottom:4px}.app-container.is-empty .drop-zone .secondary-text{font-size:.85rem}.app-container.is-empty .app-workspace{opacity:.15;filter:blur(4px);pointer-events:none;transform:scale(.98)}.app-container.is-loaded .upload-section{position:relative;top:0;left:0;transform:none;width:100%;max-width:100%;box-shadow:none;padding:16px;border:none;border-bottom:1px solid var(--bg-card-border);border-radius:0;background:transparent;transition:all .5s cubic-bezier(.2,.8,.2,1)}.app-container.is-loaded .upload-section .group-label,.app-container.is-loaded .onboarding-samples{display:none}.app-container.is-loaded .app-workspace{opacity:1;filter:none;pointer-events:auto;transform:none}.hidden{display:none!important}.mt-8{margin-top:8px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse-ring{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.1}50%{transform:translate(-50%,-50%) scale(1.08);opacity:.2}}@keyframes simulate-progress{0%{width:0%}50%{width:70%}to{width:100%}}@keyframes float-in{0%{opacity:0;transform:translate(-50%,-46%) scale(.96)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.card{flex-shrink:0}.label-with-tooltip{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap}.info-icon{display:inline-flex;align-items:center;justify-content:center;cursor:help;position:relative;color:#ef4444;background:#fee2e2;border:1px solid rgba(239,68,68,.3);width:18px;height:18px;border-radius:50%;opacity:.95;transition:var(--transition-smooth);flex-shrink:0}.app-container.dark-theme .info-icon{color:#fca5a5;background:#991b1b99;border-color:#fca5a54d}.info-icon:hover{opacity:1;background:#ef4444;color:var(--text-white)!important;border-color:#ef4444;box-shadow:0 0 8px #ef444480}.app-container.dark-theme .info-icon:hover{background:#fca5a5;color:#7f1d1d!important;border-color:#fca5a5;box-shadow:0 0 8px #fca5a599}.info-icon svg{width:12px;height:12px;display:block}.info-icon:after{content:attr(data-tooltip);position:absolute;bottom:135%;right:-50px;left:auto;transform:scale(.9);background:#1e293b;color:#f8fafc;padding:8px 12px;border-radius:6px;font-size:.75rem;font-family:var(--font-body);font-weight:500;line-height:1.4;width:180px;white-space:normal;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;pointer-events:none;transition:all .2s cubic-bezier(.4,0,.2,1);z-index:1000;text-align:left}.info-icon.tooltip-right:after{bottom:auto;top:135%;left:-30px;right:auto;width:220px}.settings-card-tabs:has(#tab-filters.active) .tab-contents-container{background-color:#c2410c0d}.settings-card-tabs:has(#tab-binarize.active) .tab-contents-container{background-color:#a162070d}.settings-card-tabs:has(#tab-vector.active) .tab-contents-container{background-color:#4d7c0f0d}.settings-card-tabs:has(#tab-export.active) .tab-contents-container{background-color:#9a34120d}.app-container.dark-theme .settings-card-tabs:has(#tab-filters.active) .tab-contents-container{background-color:#c2410c24}.app-container.dark-theme .settings-card-tabs:has(#tab-binarize.active) .tab-contents-container{background-color:#ca8a0424}.app-container.dark-theme .settings-card-tabs:has(#tab-vector.active) .tab-contents-container{background-color:#65a30d24}.app-container.dark-theme .settings-card-tabs:has(#tab-export.active) .tab-contents-container{background-color:#9a341224}.app-container.dark-theme .info-icon:after{background:#cbd5e1;color:#0f172a}.info-icon:before{content:"";position:absolute;bottom:120%;left:50%;transform:translate(-50%);border-width:6px;border-style:solid;border-color:#1e293b transparent transparent transparent;opacity:0;visibility:hidden;pointer-events:none;transition:all .2s cubic-bezier(.4,0,.2,1);z-index:1000}.info-icon.tooltip-right:before{bottom:auto;top:120%;border-color:transparent transparent #1e293b transparent}.app-container.dark-theme .info-icon:before{border-color:#cbd5e1 transparent transparent transparent}.app-container.dark-theme .info-icon.tooltip-right:before{border-color:transparent transparent #cbd5e1 transparent}.info-icon:hover:after{opacity:1;visibility:visible;transform:scale(1)}.info-icon.tooltip-right:hover:after{transform:scale(1)}.info-icon:hover:before{opacity:1;visibility:visible;transform:translate(-50%)}