:root{color-scheme:dark;--bg-main: #0b0d12;--bg-sidebar: #111827;--bg-panel: #0f172a;--bg-input: #111827;--bg-button: #2563eb;--bg-button-hover: #1d4ed8;--border: #1f2937;--border-soft: #1c2433;--text-primary: #e5edf7;--text-muted: #9ca3af;--accent: #38bdf8;font-family:Inter,Segoe UI,sans-serif;line-height:1.4}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bg-main);color:var(--text-primary)}body{font-size:15px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a{color:var(--accent)}button,input,select{font-family:inherit}button{border:none;cursor:pointer}input,select{width:100%;padding:.5rem .6rem;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--text-primary)}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px}.app-shell{display:grid;grid-template-columns:minmax(320px,360px) 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h2{margin:0}.header-with-meta{gap:.5rem}.header-title-group{display:inline-flex;align-items:center;gap:.35rem}.header-meta{margin-left:auto;font-size:.8rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.section-help{margin-bottom:.35rem;font-size:.8rem;color:var(--text-muted)}.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.85rem}.field label{font-size:.85rem;color:var(--text-muted)}.label-with-tooltip{display:inline-flex;align-items:center;gap:.35rem}.tooltip{position:relative;display:inline-flex;align-items:center}.tooltip-trigger{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:999px;font-size:.75rem;color:var(--text-muted);border:1px solid var(--border);cursor:default}.tooltip:hover .tooltip-trigger,.tooltip:focus-within .tooltip-trigger{color:#fff;border-color:var(--accent)}.tooltip-content{position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 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.75rem;border-radius:8px;background:var(--bg-panel);border:1px solid var(--border);color:var(--text-primary);display:flex;flex-direction:column;gap:.35rem}.payload strong{font-size:.95rem}.payload span{font-size:.8rem;color:var(--text-muted)}.payload:hover{border-color:var(--accent)}.payloads-empty{margin:0;padding:.5rem .75rem;font-size:.85rem;color:var(--text-muted);text-align:center}.sidebar-footer{margin-top:2rem;display:flex;flex-direction:column;gap:.75rem;font-size:.8rem;color:var(--text-muted)}.sidebar-footer-actions{display:flex;flex-wrap:wrap;gap:.5rem}.editor-panel{display:flex;flex-direction:column;background:var(--bg-main);min-height:100vh;max-width:100vw}.editor-toolbar{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;border-bottom:1px solid var(--border);background:#0f172ad9;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:5;flex-wrap:nowrap;overflow-x:auto;width:100%;box-sizing:border-box}.editor-tab{flex:0 0 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button:active:not([disabled]){transform:translateY(1px)}.share-button button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.share-button-label{font-size:.75rem;color:var(--text-muted);text-transform:none}.editor-wrapper{flex:1 1 auto;min-height:clamp(320px,65vh,800px);display:flex;background:var(--bg-panel)}.editor-wrapper>*{flex:1 1 auto}@media (max-width: 960px){.sidebar{border-right:none}.sidebar.compact{padding:1.5rem}.editor-toolbar{padding:.75rem 1rem}.editor-toolbar-tabs{justify-content:flex-start}.editor-toolbar-actions{justify-content:flex-start;margin-left:0}.body-editor,.headers-editor{padding:1rem}.body-editor{padding:0}}@media (max-width: 600px){.editor-toolbar{padding:.65rem .85rem}.editor-tab{padding:.4rem .7rem;font-size:.8rem}.editor-tab .tab-hotkey{display:none}.transform-toggle-button{padding:.25rem 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