:root{color-scheme:dark;--bg-0: #0a0a0c;--bg-1: #101014;--bg-2: #17171c;--bg-3: #1e1e24;--border-subtle: rgba(255, 255, 255, .06);--border-default: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .16);--text-primary: rgba(255, 255, 255, .92);--text-secondary: rgba(255, 255, 255, .6);--text-tertiary: rgba(255, 255, 255, .38);--text-disabled: rgba(255, 255, 255, .24);--accent: #5e6ad2;--accent-hover: #6e79dd;--accent-active: #4d58c2;--accent-soft: rgba(94, 106, 210, .14);--accent-text: #b4bbf5;--success: #4cb782;--success-soft: rgba(76, 183, 130, .14);--warning: #e0a63f;--warning-soft: rgba(224, 166, 63, .14);--danger: #e5534b;--danger-soft: rgba(229, 83, 75, .14);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .5);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--ease-out: cubic-bezier(.23, 1, .32, 1);--ease-in-out: cubic-bezier(.77, 0, .175, 1);--sidebar-width: 248px;--topbar-height: 52px}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg-0);color:var(--text-primary);font-family:var(--font-sans);font-size:13px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100vh}.simple-page{max-width:720px;margin:0 auto;padding:var(--space-7) var(--space-5);display:flex;flex-direction:column;gap:var(--space-5)}.simple-header{display:flex;align-items:center;gap:var(--space-2);font-weight:600;font-size:14px;color:var(--text-primary)}.simple-header-mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--accent),#8b93e8);flex-shrink:0}.simple-stage{display:flex;flex-direction:column;align-items:center;gap:var(--space-4)}.simple-zoom-toolbar{display:flex;align-items:center;gap:var(--space-2)}#simple-zoom-val{min-width:3.5em;text-align:center}.simple-select-viewport{max-width:min(680px,90vw);max-height:60vh;overflow:auto;border-radius:var(--radius-md);border:1px solid var(--border-default)}.simple-select-wrap{position:relative;display:inline-block;touch-action:none;background:repeating-conic-gradient(#1a1a1f,#1a1a1f 25%,#151519 0%,#151519 50%) 50% / 16px 16px}.simple-select-wrap canvas{display:block}.simple-select-box{position:absolute;border:2px solid var(--accent);background:#5e6ad22e;border-radius:2px;pointer-events:none}.simple-panel{width:100%;max-width:480px;background:var(--bg-1);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-3)}.simple-panel-row{display:flex;align-items:center;gap:var(--space-2)}.simple-panel-row input[type=text]{flex:1}.advanced-toggle{text-align:center}.advanced-toggle summary{cursor:pointer;color:var(--text-tertiary);font-size:12px;list-style:none;display:inline-block;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);transition:color .12s var(--ease-out),background .12s var(--ease-out)}.advanced-toggle summary::-webkit-details-marker{display:none}.advanced-toggle summary:hover{color:var(--text-secondary);background:var(--bg-1)}.advanced-shell-frame{height:78vh;min-height:480px;border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;margin-top:var(--space-4)}.advanced-shell-frame .app-shell{height:100%}::selection{background:var(--accent-soft)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:999px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-track{background:transparent}.app-shell{display:grid;grid-template-columns:var(--sidebar-width) 1fr;grid-template-rows:var(--topbar-height) 1fr;grid-template-areas:"topbar topbar" "sidebar main";height:100%}.topbar{grid-area:topbar;display:flex;align-items:center;gap:var(--space-3);padding:0 var(--space-4);border-bottom:1px solid var(--border-subtle);background:var(--bg-0);-webkit-app-region:drag}.topbar-brand{display:flex;align-items:center;gap:var(--space-2);font-weight:600;color:var(--text-primary);font-size:13px;letter-spacing:-.01em}.topbar-brand-mark{width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--accent),#8b93e8);flex-shrink:0}.topbar-filename{color:var(--text-tertiary);font-size:12px;padding-left:var(--space-3);border-left:1px solid var(--border-subtle);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-spacer{flex:1}.sidebar{grid-area:sidebar;border-right:1px solid var(--border-subtle);background:var(--bg-1);padding:var(--space-3);overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-1)}.sidebar-step{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:12.5px;font-weight:500;transition:background .12s var(--ease-out),color .12s var(--ease-out);border:none;background:transparent;text-align:left;width:100%}.sidebar-step:hover{background:var(--bg-2);color:var(--text-primary)}.sidebar-step[data-active=true]{background:var(--accent-soft);color:var(--accent-text)}.sidebar-step-dot{width:6px;height:6px;border-radius:999px;background:var(--border-strong);flex-shrink:0;transition:background .16s var(--ease-out)}.sidebar-step[data-status=done] .sidebar-step-dot{background:var(--success)}.sidebar-step[data-status=ready] .sidebar-step-dot{background:var(--accent)}.sidebar-step[data-status=warn] .sidebar-step-dot{background:var(--warning)}.sidebar-hint{margin-top:auto;padding:var(--space-3);color:var(--text-tertiary);font-size:11px;line-height:1.6}.main{grid-area:main;overflow-y:auto;overflow-x:hidden;padding:0 var(--space-6) var(--space-7);display:flex;flex-direction:column;gap:var(--space-6)}.section{display:flex;flex-direction:column;gap:var(--space-4);scroll-margin-top:var(--space-5)}.section-header{display:flex;align-items:baseline;gap:var(--space-3)}.section-title{font-size:15px;font-weight:600;color:var(--text-primary);letter-spacing:-.01em}.section-subtitle{font-size:12px;color:var(--text-tertiary)}.card{background:var(--bg-1);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-4)}.card-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-3)}.field{display:flex;flex-direction:column;gap:var(--space-1)}.field-label{font-size:11.5px;color:var(--text-tertiary);font-weight:500}input[type=text],input[type=number],select{background:var(--bg-2);border:1px solid var(--border-default);color:var(--text-primary);border-radius:var(--radius-sm);padding:6px 10px;font-size:12.5px;font-family:inherit;outline:none;transition:border-color .12s var(--ease-out),background .12s var(--ease-out)}input[type=text]:focus,input[type=number]:focus,select:focus{border-color:var(--accent);background:var(--bg-3)}input[type=number]{width:80px}input[type=checkbox]{accent-color:var(--accent);width:14px;height:14px}input[type=range]{accent-color:var(--accent)}label{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-secondary)}button{font-family:inherit;font-size:12.5px;font-weight:500;border-radius:var(--radius-sm);padding:7px 14px;border:1px solid var(--border-default);background:var(--bg-2);color:var(--text-primary);cursor:pointer;transition:transform .12s var(--ease-out),background .12s var(--ease-out),border-color .12s var(--ease-out)}button:hover{background:var(--bg-3);border-color:var(--border-strong)}button:active{transform:scale(.97)}button:disabled{opacity:.4;cursor:not-allowed;transform:none}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent-hover)}button.primary:active{background:var(--accent-active)}button.ghost{background:transparent;border-color:transparent;color:var(--text-secondary)}button.ghost:hover{background:var(--bg-2);color:var(--text-primary)}button.small{padding:4px 10px;font-size:11.5px}.status-line{font-size:12px;color:var(--text-secondary);display:flex;align-items:center;gap:var(--space-2);min-height:18px}.status-line[data-tone=success]{color:var(--success)}.status-line[data-tone=warn]{color:var(--warning)}.status-line[data-tone=error]{color:var(--danger)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:500}.badge.accent{background:var(--accent-soft);color:var(--accent-text)}.badge.success{background:var(--success-soft);color:var(--success)}.badge.warn{background:var(--warning-soft);color:var(--warning)}.badge.neutral{background:var(--bg-2);color:var(--text-tertiary)}.spinner{width:13px;height:13px;border-radius:999px;border:2px solid var(--border-default);border-top-color:var(--accent);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}table.data-table{border-collapse:collapse;width:100%;font-size:12px}table.data-table th,table.data-table td{padding:6px 10px;text-align:left;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary)}table.data-table th{color:var(--text-tertiary);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.02em}table.data-table td{color:var(--text-primary)}table.data-table tr:last-child td{border-bottom:none}.viewer{position:sticky;top:0;z-index:5;background:var(--bg-0);margin:0 calc(var(--space-6) * -1);padding:var(--space-6) var(--space-6) var(--space-4);border-bottom:1px solid var(--border-subtle)}.viewer-toolbar{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3)}.viewer-tabs{display:flex;background:var(--bg-2);border-radius:var(--radius-sm);padding:2px;gap:2px}.viewer-tab{border:none;background:transparent;padding:5px 12px;border-radius:5px;font-size:12px;font-weight:500;color:var(--text-tertiary);transition:background .14s var(--ease-out),color .14s var(--ease-out)}.viewer-tab[data-active=true]{background:var(--bg-3);color:var(--text-primary);box-shadow:var(--shadow-sm)}.viewer-canvas-wrap{position:relative;display:inline-block;align-self:flex-start;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-default);background:repeating-conic-gradient(#1a1a1f,#1a1a1f 25%,#151519 0%,#151519 50%) 50% / 16px 16px;max-height:46vh}.viewer-canvas-wrap canvas{display:block;max-width:100%;max-height:46vh;width:auto;height:auto}.viewer-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-7) var(--space-5);border:1.5px dashed var(--border-default);border-radius:var(--radius-lg);color:var(--text-tertiary);text-align:center;transition:border-color .16s var(--ease-out),background .16s var(--ease-out)}.viewer-empty[data-dragover=true]{border-color:var(--accent);background:var(--accent-soft)}.viewer-empty-title{color:var(--text-primary);font-size:14px;font-weight:600}.overlay-canvas{position:absolute;left:0;top:0;pointer-events:none}.drag-handle{position:absolute;width:14px;height:14px;margin-left:-7px;margin-top:-7px;border-radius:999px;background:var(--accent);border:2px solid white;box-shadow:var(--shadow-sm);cursor:grab;touch-action:none;transition:transform .12s var(--ease-out)}.drag-handle:active{cursor:grabbing;transform:scale(1.15)}.text-mono{font-family:var(--font-mono);font-size:11.5px}.divider{height:1px;background:var(--border-subtle);border:none;margin:0}.hidden{display:none!important}.fade-in{animation:fadeIn .2s var(--ease-out)}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.color-swatch{display:inline-block;width:16px;height:16px;border-radius:4px;border:1px solid var(--border-default);vertical-align:middle}