:root{--font-sans: "Segoe UI Variable", "Aptos", "Helvetica Neue", "Nimbus Sans", sans-serif;--font-mono: "IBM Plex Mono", "Consolas", "SFMono-Regular", monospace;--radius-sm: .875rem;--radius-md: 1.25rem;--radius-lg: 1.75rem;--shadow-soft: 0 22px 60px rgba(12, 18, 22, .12);--transition-base: .16s ease}:root,html[data-theme=light]{--bg: #eef3f0;--bg-accent: rgba(15, 118, 110, .1);--surface: rgba(255, 255, 255, .9);--surface-strong: rgba(255, 255, 255, .98);--surface-muted: rgba(244, 247, 245, .96);--border: rgba(15, 23, 42, .1);--border-strong: rgba(15, 118, 110, .34);--text: #10202b;--text-muted: #526673;--accent: #0f766e;--accent-strong: #115e59;--accent-soft: rgba(20, 184, 166, .12);--warning: #b45309;--error: #b42318;--code-bg: #10212b;--code-fg: #f3f7fb}html[data-theme=dark]{--bg: #0f1418;--bg-accent: rgba(94, 234, 212, .11);--surface: rgba(20, 28, 33, .84);--surface-strong: rgba(17, 23, 28, .94);--surface-muted: rgba(18, 25, 30, .92);--border: rgba(226, 232, 240, .1);--border-strong: rgba(94, 234, 212, .24);--text: #f2f8fb;--text-muted: #9ab0bc;--accent: #5eead4;--accent-strong: #99f6e4;--accent-soft: rgba(45, 212, 191, .18);--warning: #fdba74;--error: #fda4af;--code-bg: #08131b;--code-fg: #e7f4fb}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;text-size-adjust:100%}body{margin:0;min-width:320px;min-height:100vh;font-family:var(--font-sans);color:var(--text);background:radial-gradient(circle at top left,var(--bg-accent),transparent 24%),radial-gradient(circle at bottom right,rgba(245,158,11,.08),transparent 24%),linear-gradient(180deg,rgba(255,255,255,.24),transparent 18%),var(--bg)}button,input,textarea{font:inherit}button{cursor:pointer}textarea,input{color:inherit}img,svg{display:block;max-width:100%}a{color:var(--accent-strong)}code,pre,kbd{font-family:var(--font-mono)}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}#root{min-height:100vh}.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}.app-shell{width:min(100%,88rem);margin:0 auto;padding:.75rem .875rem 2rem}.app-header{position:sticky;top:.35rem;z-index:20;display:grid;gap:.7rem;padding:.9rem;margin-bottom:.8rem;background:color-mix(in srgb,var(--surface-strong) 88%,transparent);border:1px solid var(--border);border-radius:1.5rem;box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.brand-block{display:grid;gap:.45rem}.brand-block__title{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap}.brand-mark{font-size:1.2rem;font-weight:800;letter-spacing:-.035em}.badge,.eyebrow{display:inline-flex;align-items:center;gap:.35rem;font-size:.82rem;line-height:1;letter-spacing:.04em;text-transform:uppercase}.badge,.status-chip{padding:.45rem .7rem;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong)}.status-chip{display:inline-flex;align-items:center;font-size:.84rem;line-height:1.2;font-weight:600}.status-chip--supporting{background:color-mix(in srgb,var(--accent-soft) 64%,var(--surface-strong))}.eyebrow{margin:0 0 .35rem;color:var(--text-muted)}.brand-block p,.trust-strip p,.settings-block p,.toggle-row small,.drop-target p,.empty-state p,.message-card p{margin:0;color:var(--text-muted);line-height:1.55}.brand-block p{max-width:36rem}.toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}.toolbar>:first-child{grid-column:1 / -1}.toolbar .segmented-control,.toolbar .button{width:100%}.status-banner{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.72rem .85rem;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-muted);color:var(--text-muted);min-height:2.75rem}.status-banner--action{align-items:stretch}.status-banner__action{flex:0 0 auto;min-height:2.35rem;padding-inline:.9rem}.trust-strip{padding:.8rem .95rem;border-radius:var(--radius-md);background:color-mix(in srgb,var(--surface-strong) 88%,transparent);border:1px solid var(--border)}.app-main{display:grid;gap:.8rem;min-width:0;width:100%;max-width:100%}.app-footer{display:grid;gap:.7rem;margin-top:1rem;padding:.85rem .1rem 0;border-top:1px solid var(--border)}.app-footer__credits,.app-footer__links{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1rem}.app-footer__links{font-size:.92rem}.app-footer__links a{color:var(--text-muted);text-decoration:none}.app-footer__links a:hover{color:var(--accent-strong)}.app-footer__meta{margin:0;color:var(--text-muted);font-size:.86rem;font-weight:600}.app-footer__meta-link{color:inherit;text-decoration:none}.app-footer__meta-link:hover{color:var(--accent-strong)}.story-panel{gap:1.1rem}.story-panel__intro{display:grid;gap:.65rem}.story-panel__intro h2{margin:0;font-size:clamp(1.4rem,4.8vw,2.35rem);line-height:1.02;letter-spacing:-.045em;max-width:20ch}.story-panel__chips{display:flex;flex-wrap:wrap;gap:.5rem}.story-grid{display:grid;gap:.8rem}.story-card{display:grid;gap:.55rem;padding:.95rem;border-radius:1.2rem;border:1px solid var(--border);background:color-mix(in srgb,var(--surface-muted) 86%,transparent);color:inherit;text-decoration:none;transition:transform var(--transition-base),border-color var(--transition-base),background var(--transition-base)}.story-card h3,.story-card p{margin:0}.story-card h3{font-size:1.06rem;letter-spacing:-.03em}.story-card p:last-of-type{color:var(--text-muted);line-height:1.55}.story-card__cta{color:var(--accent-strong);font-weight:700}.story-card:hover{transform:translateY(-2px);border-color:var(--border-strong);background:color-mix(in srgb,var(--surface-strong) 90%,transparent)}.install-prompt{position:fixed;inset-inline:.75rem;bottom:.75rem;z-index:35;display:grid;gap:.8rem;width:min(26rem,calc(100vw - 1.5rem));margin-inline:auto;padding:.95rem;border:1px solid var(--border-strong);border-radius:1.3rem;background:color-mix(in srgb,var(--surface-strong) 94%,transparent);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.install-prompt__copy{display:grid;gap:.45rem}.install-prompt__copy h2,.install-prompt__copy p{margin:0}.install-prompt__copy h2{font-size:1.08rem;line-height:1.08;letter-spacing:-.03em}.install-prompt__copy p:last-child{color:var(--text-muted);line-height:1.5}.install-prompt__actions{display:flex;flex-wrap:wrap;gap:.65rem}.workspace{display:grid;gap:.75rem;min-width:0;width:100%;max-width:100%;overflow-x:clip}.mobile-panes{position:sticky;top:var(--mobile-sticky-offset, 8.25rem);z-index:10;min-width:0;width:100%;max-width:100%}.workspace__grid{display:grid;gap:.8rem;min-width:0;width:100%;max-width:100%}.workspace__column{display:none;min-width:0;width:100%;max-width:100%}.workspace__column.is-active{display:block}.panel{display:grid;gap:1rem;min-height:0;min-width:0;width:100%;max-width:100%;padding:.95rem;border-radius:1.45rem;background:color-mix(in srgb,var(--surface-strong) 92%,transparent);border:1px solid var(--border);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overflow-x:clip}.panel__header{display:flex;justify-content:space-between;align-items:start;gap:.75rem;flex-wrap:wrap;min-width:0;width:100%;max-width:100%}.panel__header h2,.settings-sheet h2{margin:0;font-size:1.15rem;letter-spacing:-.02em}.panel__header--viewer{align-items:center}.panel__header>*{min-width:0;max-width:100%}.panel__actions{display:flex;flex-wrap:wrap;gap:.6rem}.button{display:inline-flex;align-items:center;justify-content:center;min-height:2.85rem;padding:.72rem 1rem;border-radius:999px;border:1px solid transparent;-webkit-user-select:none;user-select:none;transition:background var(--transition-base),border-color var(--transition-base),transform var(--transition-base)}.button:hover{transform:translateY(-1px)}.button:disabled{opacity:.48;cursor:not-allowed;transform:none}.button--primary{background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#f7fffd}.button--ghost{background:var(--surface-muted);border-color:var(--border);color:var(--text)}.segmented-control{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:.3rem;padding:.28rem;background:var(--surface-muted);border:1px solid var(--border);border-radius:999px;min-width:0;max-width:100%}.segmented-control.is-stretch{width:100%}.segmented-control__button{min-height:2.75rem;min-width:4.75rem;max-width:100%;padding:.55rem .8rem;border:0;border-radius:999px;background:transparent;color:var(--text-muted)}.segmented-control__button.is-active{background:var(--surface-strong);color:var(--text);box-shadow:0 8px 24px #0f172a14}.drop-target,.empty-state,.message-card,.selection-strip{padding:.85rem;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface-muted)}.drop-target,.empty-state,.message-card{display:grid;gap:.75rem}.drop-target__open-file{justify-self:start}.source-pane.is-drag-active .drop-target{border-style:dashed;border-color:var(--border-strong);background:color-mix(in srgb,var(--accent-soft) 72%,var(--surface-muted))}.inline-actions{display:flex;flex-wrap:wrap;gap:.6rem}.source-pane__textarea{width:100%;min-height:clamp(13rem,34vh,28rem);padding:.9rem;border-radius:var(--radius-md);border:1px solid var(--border);background:color-mix(in srgb,var(--surface-strong) 90%,transparent);resize:vertical;line-height:1.5;overflow-wrap:anywhere}.panel__meta{display:flex;flex-wrap:wrap;gap:.75rem;color:var(--text-muted);font-size:.92rem}.viewer-pane{align-content:start}.loading-panel{min-height:16rem;align-content:center}.viewer-mode-switch{display:none}.viewer-toolbar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;min-width:0;width:100%;max-width:100%}.viewer-toolbar--markdown{gap:.5rem}.search-field{flex:1 1 16rem}.search-field input{width:100%;min-height:2.65rem;padding:.68rem .9rem;border-radius:999px;border:1px solid var(--border);background:var(--surface-muted)}.message-card{display:grid;gap:.65rem}.message-card strong,.selection-strip code{font-weight:700}.message-card--error{border-color:color-mix(in srgb,var(--error) 38%,var(--border))}.selection-strip{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.8rem;align-items:center}.selection-strip code{display:inline-block;padding:.45rem .6rem;border-radius:.75rem;background:var(--surface-strong);overflow-wrap:anywhere}.raw-output{margin:0;padding:1rem;border-radius:var(--radius-md);background:var(--code-bg);color:var(--code-fg);line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere}.tree-shell{display:grid;gap:.8rem}.tree-shell__controls{display:flex;gap:.6rem;flex-wrap:wrap}.tree-list,.tree-node__children{list-style:none;padding:0;margin:0}.tree-node__children{display:grid}.tree-node__row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.45rem;align-items:stretch;margin:.15rem 0}.tree-node__row.is-selected .tree-node__summary{border-color:var(--border-strong);background:color-mix(in srgb,var(--accent-soft) 60%,var(--surface-muted))}.tree-node__toggle,.tree-node__summary{border-radius:.95rem;border:1px solid var(--border);background:var(--surface-muted)}.tree-node__toggle{width:2.4rem;min-height:2.4rem;padding:0}.tree-node__summary{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.35rem .65rem;padding:.65rem .8rem;text-align:left}.tree-node__key{font-weight:700;overflow-wrap:anywhere}.tree-node__type{justify-self:end;color:var(--accent-strong);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem}.tree-node__preview{grid-column:1 / -1;color:var(--text-muted);overflow-wrap:anywhere}.markdown-preview{padding:1rem;border-radius:var(--radius-md);background:color-mix(in srgb,var(--surface-strong) 94%,transparent);line-height:1.65;overflow-wrap:anywhere;min-width:0;width:100%;max-width:100%;overflow-x:clip}.markdown-preview>:first-child{margin-top:0}.markdown-preview>:last-child{margin-bottom:0}.markdown-preview h1,.markdown-preview h2,.markdown-preview h3,.markdown-preview h4{line-height:1.15;letter-spacing:-.03em}.markdown-preview h1{font-size:1.9rem}.markdown-preview h2{font-size:1.45rem;margin-top:2rem}.markdown-preview blockquote{margin:1.25rem 0;padding:.9rem 1rem;border-left:4px solid var(--accent);background:var(--surface-muted);border-radius:0 1rem 1rem 0}.markdown-preview table{display:block;width:max-content;min-width:100%;max-width:100%;border-collapse:collapse;overflow-x:auto;-webkit-overflow-scrolling:touch}.markdown-preview th,.markdown-preview td{padding:.7rem .8rem;border:1px solid var(--border);text-align:left}.markdown-preview th{background:var(--surface-muted)}.markdown-preview th:first-child,.markdown-preview td:first-child{white-space:nowrap}.markdown-preview pre{margin:1rem 0;overflow:auto;max-width:100%}.markdown-preview code:not(.hljs){padding:.12rem .38rem;border-radius:.45rem;background:var(--surface-muted)}.code-block{padding:1rem;border-radius:1rem;background:var(--code-bg);color:var(--code-fg);width:100%;max-width:100%}.hljs{display:block;overflow-x:auto;background:transparent;color:var(--code-fg)}.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-title,.hljs-section{color:#5eead4}.hljs-string,.hljs-attr,.hljs-template-variable{color:#fcd34d}.hljs-number,.hljs-symbol,.hljs-bullet{color:#fda4af}.hljs-comment,.hljs-quote{color:#94a3b8}.hljs-built_in,.hljs-type,.hljs-function{color:#93c5fd}.markdown-preview .task-list-item{list-style:none}.markdown-preview .task-list-item input{margin-inline-end:.55rem}.mermaid-placeholder,.mermaid-error{padding:1rem;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface-muted);width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.mermaid-placeholder__loading{color:var(--text-muted)}.mermaid-placeholder svg{max-width:100%;width:100%;height:auto}.mermaid-error{color:var(--error)}.sheet-backdrop{position:fixed;inset:0;border:0;background:#090e127a;opacity:0;pointer-events:none;transition:opacity var(--transition-base)}.sheet-backdrop.is-open{opacity:1;pointer-events:auto}.settings-sheet{position:fixed;inset-inline:0;bottom:0;z-index:30;display:grid;gap:1rem;padding:.95rem;background:var(--surface-strong);border-top-left-radius:1.5rem;border-top-right-radius:1.5rem;border:1px solid var(--border);opacity:0;pointer-events:none;transform:translateY(102%);transition:transform var(--transition-base),opacity var(--transition-base);max-height:min(88vh,42rem);overflow:auto}.settings-sheet.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}.settings-sheet__header{display:flex;justify-content:space-between;align-items:start;gap:.75rem}.settings-block{display:grid;gap:.8rem;padding:.9rem;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface-muted)}.settings-block__copy{display:grid;gap:.35rem}.settings-block h3{margin:0}.toggle-row{display:flex;justify-content:space-between;align-items:start;gap:1rem}.toggle-row span{display:grid;gap:.35rem}.toggle-row input{inline-size:1.4rem;block-size:1.4rem;accent-color:var(--accent)}@media(max-width:899px){.app-shell{padding:.55rem .6rem 1.25rem}.install-prompt{bottom:.6rem;width:min(100%,calc(100vw - 1.2rem));padding:.85rem}.install-prompt__actions .button{flex:1 1 10rem}.app-header{position:static;top:auto;gap:.55rem;padding:.7rem;margin-bottom:.5rem;border-radius:1.2rem}.brand-block p{display:none}.brand-mark{font-size:1.08rem}.badge,.eyebrow{font-size:.76rem}.toolbar{gap:.55rem}.status-banner,.trust-strip{font-size:.88rem}.status-banner{align-items:stretch;flex-direction:column;padding:.62rem .72rem;min-height:auto}.status-banner__action{width:100%}.trust-strip{display:none}.workspace{gap:.55rem}.mobile-panes .segmented-control{padding:.22rem}.panel__actions,.panel__actions .inline-actions,.inline-actions{width:100%}.panel__actions .button,.inline-actions .button{flex:1 1 8rem}.viewer-toolbar{align-items:stretch}.status-chip{width:100%;font-size:.8rem;padding:.42rem .62rem}.drop-target__open-file{display:none}.mobile-panes{position:static;top:auto}.app-footer{justify-items:center;padding-top:.65rem}.app-footer__credits,.app-footer__links{justify-content:center}.panel{gap:.8rem;padding:.8rem;border-radius:1.15rem}.panel__header{gap:.55rem}.panel__header h2{font-size:1.02rem}.viewer-pane .panel__header--viewer{align-items:stretch}.viewer-pane__toggle{width:100%;min-height:2.6rem;max-width:100%}.viewer-toolbar--markdown .status-chip{width:auto;max-width:100%}.source-pane__textarea{min-height:clamp(11.5rem,30vh,22rem)}.markdown-preview{padding:.85rem;font-size:.96rem;line-height:1.58}.markdown-preview h1{font-size:1.65rem}.markdown-preview h2{font-size:1.28rem;margin-top:1.45rem}.markdown-preview blockquote{margin:1rem 0;padding:.8rem .85rem}.markdown-preview th,.markdown-preview td{padding:.58rem .65rem;font-size:.92rem}.code-block{padding:.85rem;border-radius:.85rem}.story-panel__intro h2{max-width:100%}}@media(min-width:900px){.app-shell{padding:1rem 1.25rem 2.5rem}.app-header{grid-template-columns:minmax(16rem,1fr) auto;align-items:center}.status-banner{grid-column:1 / -1}.toolbar{display:flex;flex-wrap:wrap}.toolbar>:first-child{grid-column:auto}.toolbar .segmented-control,.toolbar .button{width:auto}.mobile-panes{display:none}.viewer-mode-switch{display:block}.workspace__grid--dual{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}.story-panel{grid-template-columns:minmax(0,1.05fr) minmax(0,1.2fr);align-items:start}.story-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.app-footer{grid-template-columns:minmax(0,1fr) auto;align-items:center}.app-footer__credits{justify-content:flex-end}.install-prompt{inset-inline:auto 1rem;bottom:1rem;width:min(24rem,calc(100vw - 2rem));margin-inline:0}.install-prompt__actions{justify-content:flex-end}.workspace__column,.workspace__column.is-active{display:block}.settings-sheet{inset-inline:auto 1rem;bottom:1rem;width:min(28rem,calc(100vw - 2rem));border-radius:1.5rem;transform:translateY(1rem) scale(.98);opacity:0}.settings-sheet.is-open{transform:translateY(0) scale(1);opacity:1}}