:root{--bg: #f6f6f7;--bg-elev: #ffffff;--panel: #ffffff;--ink: #111418;--ink-2: #3a3f47;--ink-muted: #6a7078;--ink-subtle: #9aa0a8;--line: #dcdfe4;--line-soft: #e9ebef;--line-hairline: #f2f3f5;--accent: #2b5cff;--accent-hover: #244cd6;--accent-ink: #ffffff;--accent-soft: #eaf0ff;--accent-soft-hover: #dbe4ff;--ok: #178a3f;--err: #b42318;--warn: #a15c00;--shadow-xs: 0 1px 1.5px rgba(17, 20, 24, .04), 0 0 0 1px rgba(17, 20, 24, .04);--shadow-sm: 0 1px 2px rgba(17, 20, 24, .05), 0 0 0 1px rgba(17, 20, 24, .05);--shadow-md: 0 6px 20px rgba(17, 20, 24, .06), 0 1px 2px rgba(17, 20, 24, .04);--shadow-lg: 0 12px 40px rgba(17, 20, 24, .14), 0 2px 6px rgba(17, 20, 24, .06);--radius: 10px;--radius-sm: 6px;--radius-xs: 4px;--ui-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--ui-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace}@supports (font-variation-settings: normal){:root{--ui-font: "Inter var", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui-font);font-size:13.5px;font-feature-settings:"cv02","cv03","cv04","cv11","ss01";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}button{font-feature-settings:inherit}.app{display:flex;flex-direction:column;min-height:100vh}.app__header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line-soft);background:#fff}.app__brand{display:flex;align-items:center;gap:12px}.app__logo{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#111418,#2a2e35);color:#fff;box-shadow:var(--shadow-xs)}.app__title-row{display:flex;align-items:center;gap:6px}.app__title{margin:0;font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}.app__beta{display:inline-flex;align-items:center;padding:1px 6px;height:16px;background:var(--accent-soft);color:var(--accent);font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;border-radius:4px;line-height:1}.app__subtitle{margin:1px 0 0;font-size:12px;color:var(--ink-muted);letter-spacing:0}.app__actions{display:flex;align-items:center;gap:8px}.user-menu{display:inline-flex;align-items:center;gap:4px;padding:0 4px 0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-elev);height:32px;box-shadow:var(--shadow-xs)}.user-menu__email{font-size:12.5px;color:var(--ink-2);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sync-status{font-size:11px;color:var(--ink-muted);padding:2px 6px;border-radius:4px;background:var(--line-hairline);font-variant-numeric:tabular-nums}.sync-status--error{color:var(--warn);background:#fff7ea}.auth-dialog{width:min(400px,calc(100% - 40px))}.auth-dialog__title{font-size:16px;font-weight:600;letter-spacing:-.005em;margin-bottom:6px}.auth-dialog__lede{font-size:13px;color:var(--ink-muted);margin-bottom:16px;line-height:1.5}.auth-dialog__invitation{display:flex;align-items:center;gap:8px;padding:10px 12px;margin:0 0 14px;background:var(--accent-soft);color:var(--accent);border-radius:6px;font-size:12.5px;line-height:1.4}.auth-dialog__code-input{font-family:var(--ui-mono);font-size:18px!important;letter-spacing:.32em;text-align:center;padding:12px!important}.auth-dialog__error{display:flex;align-items:center;gap:6px;padding:8px 10px;margin-top:6px;border-radius:6px;background:#fdecec;color:var(--err);font-size:12.5px}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--line);background:var(--bg-elev);color:var(--ink);font:inherit;font-weight:500;padding:7px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .14s ease,border-color .14s ease,color .14s ease,box-shadow .14s ease,transform .05s ease;box-shadow:var(--shadow-xs);height:32px;display:inline-flex;align-items:center;gap:6px;line-height:1}.btn:hover:not(:disabled){border-color:var(--ink-subtle);background:#fbfbfc}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 2px #2b5cff40}.btn--primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn--primary.is-ok{background:var(--ok);border-color:var(--ok);box-shadow:0 1px 2px #178a3f47}.btn--ghost{background:transparent;box-shadow:none;border-color:transparent;color:var(--ink-2)}.btn--ghost:hover:not(:disabled){background:var(--line-hairline);border-color:transparent}.btn--icon svg{flex-shrink:0}.app__main{flex:1;display:grid;grid-template-columns:240px minmax(320px,38%) 1fr;gap:14px;padding:14px 18px;min-height:0}@media (max-width: 1100px){.app__main{grid-template-columns:200px 1fr 1fr;gap:10px;padding:10px 12px}}@media (max-width: 800px){.app__main{grid-template-columns:1fr}.sidebar{display:none}}.sidebar{position:relative;display:flex;flex-direction:column;min-height:0;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow-md);overflow:hidden}.sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:10px 10px 10px 14px;border-bottom:1px solid var(--line-soft);background:#fff}.sidebar__title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted)}.sidebar__header-actions{display:flex;gap:2px}.icon-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink-muted);width:26px;height:26px;border-radius:5px;cursor:pointer;font:inherit;display:inline-flex;align-items:center;justify-content:center;transition:background .12s ease,color .12s ease}.icon-btn:hover{background:var(--line-hairline);color:var(--ink)}.icon-btn:active{background:var(--accent-soft);color:var(--accent)}.sidebar__tree{flex:1;overflow:auto;padding:4px 4px 10px;transition:background .12s ease}.sidebar__tree.is-drop-root{background:var(--accent-soft)}.sidebar__empty{padding:26px 16px;color:var(--ink-muted);font-size:12.5px;text-align:center}.sidebar__empty-icon{color:var(--ink-subtle);margin-bottom:8px;display:inline-flex;padding:8px;border-radius:999px;background:var(--line-hairline)}.sidebar__empty p{margin:0 0 12px}.tree-node.is-active>.tree-row{background:var(--accent-soft);color:var(--accent)}.tree-node.is-active>.tree-row .tree-row__glyph{color:var(--accent)}.tree-node.is-drop>.tree-row{background:#2b5cff1a;box-shadow:inset 0 0 0 1.5px var(--accent)}.tree-row{position:relative;display:flex;align-items:center;gap:4px;padding:3px 6px 3px 4px;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:13px;color:var(--ink-2);border-radius:5px;transition:background .08s ease,color .08s ease;height:26px}.tree-row:hover{background:var(--line-hairline);color:var(--ink)}.tree-node.is-active>.tree-row:hover{background:var(--accent-soft-hover)}.tree-row__chevron{display:inline-flex;align-items:center;justify-content:center;color:var(--ink-subtle);width:14px;flex-shrink:0}.tree-row__glyph{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--ink-subtle)}.tree-row__glyph.is-folder{color:#b48a3e}.tree-row__glyph.is-file{color:var(--ink-subtle)}.tree-row__name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-weight:450}.tree-node.is-active>.tree-row .tree-row__name{font-weight:550}.tree-row__more{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink-muted);width:22px;height:22px;border-radius:4px;padding:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;opacity:0;transition:background .1s ease,opacity .1s ease}.tree-row:hover .tree-row__more{opacity:1}.tree-row__more:hover{background:#0000000f;color:var(--ink)}.tree-row__input{flex:1;border:1px solid var(--accent);background:#fff;outline:none;padding:1px 6px;font:inherit;font-size:13px;border-radius:4px;min-width:0;box-shadow:0 0 0 3px var(--accent-soft)}.ctx-menu__backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.ctx-menu{position:fixed;z-index:41;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px;box-shadow:0 8px 32px #14141429,0 2px 6px #14141414;animation:popIn .1s ease}.ctx-menu__item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink);width:100%;text-align:left;padding:6px 10px;font:inherit;font-size:13px;border-radius:4px;cursor:pointer;display:flex;align-items:center;gap:8px}.ctx-menu__icon{display:inline-flex;color:var(--ink-muted);width:16px;justify-content:center}.ctx-menu__item:hover{background:var(--accent-soft);color:var(--accent)}.ctx-menu__item:hover .ctx-menu__icon{color:var(--accent)}.ctx-menu__item.is-danger,.ctx-menu__item.is-danger .ctx-menu__icon{color:var(--err)}.ctx-menu__item.is-danger:hover{background:#fdecec}.ctx-menu__sep{height:1px;background:var(--line-soft);margin:4px 6px}.pane{position:relative;display:flex;flex-direction:column;min-height:0;background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);box-shadow:var(--shadow-md);overflow:hidden}.pane__header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--line-soft);background:#fff;min-height:46px}.pane__title{margin:0;font-size:13px;font-weight:600;letter-spacing:-.005em;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pane--preview .pane__title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted)}.pane__meta{font-size:12px;color:var(--ink-muted);font-variant-numeric:tabular-nums;margin-left:12px;flex-shrink:0}.pane__toolbar{display:flex;gap:6px}.pane--input.is-dragover{outline:2px dashed var(--accent);outline-offset:-6px}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 8px;border-bottom:1px solid var(--line-soft);background:#fbfbfc}.toolbar__group{display:inline-flex;gap:1px;padding:0 6px;position:relative}.toolbar__group+.toolbar__group:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line-soft)}.toolbar__btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink-2);width:28px;height:28px;padding:0;border-radius:5px;cursor:pointer;font:inherit;display:inline-flex;align-items:center;justify-content:center;transition:background .1s ease,color .1s ease}.toolbar__btn:hover:not(:disabled){background:var(--line-hairline);color:var(--ink)}.toolbar__dropdown{position:relative;display:inline-flex}.toolbar__dropdown .toolbar__btn{width:auto;padding:0 6px 0 8px;gap:2px}.toolbar__btn.is-open{background:var(--accent-soft);color:var(--accent)}.toolbar__caret{display:inline-flex;align-items:center;color:currentColor;opacity:.6}.toolbar__menu{position:absolute;top:calc(100% + 4px);left:0;z-index:50;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:4px;box-shadow:var(--shadow-lg);animation:popIn .1s ease}.toolbar__menu-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink);width:100%;text-align:left;padding:8px 10px;font:inherit;border-radius:5px;cursor:pointer;display:flex;align-items:flex-start;gap:10px;transition:background .1s ease}.toolbar__menu-item:hover{background:var(--accent-soft)}.toolbar__menu-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;color:var(--ink-muted);flex-shrink:0;margin-top:1px}.toolbar__menu-item:hover .toolbar__menu-icon{color:var(--accent)}.toolbar__menu-body{display:flex;flex-direction:column;gap:2px;min-width:0}.toolbar__menu-label{font-size:13px;font-weight:500;color:var(--ink)}.toolbar__menu-desc{font-family:var(--ui-mono);font-size:11px;color:var(--ink-muted)}.toolbar__menu-item:hover .toolbar__menu-label{color:var(--accent)}.toolbar__btn:active:not(:disabled){background:var(--accent-soft);color:var(--accent)}.toolbar__btn:disabled{opacity:.35;cursor:not-allowed}.ctx-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:4px;padding:6px 8px;border-bottom:1px solid var(--line-soft);background:var(--accent-soft);color:var(--accent)}.ctx-toolbar__group{display:inline-flex;align-items:center;gap:2px;padding:0 6px;position:relative}.ctx-toolbar__group+.ctx-toolbar__group:before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:1px;background:#2b5cff26}.ctx-toolbar__btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--accent);padding:3px 8px;height:24px;border-radius:4px;cursor:pointer;font:inherit;font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:4px;transition:background .1s ease}.ctx-toolbar__btn.is-iconOnly{padding:3px;width:24px;justify-content:center}.ctx-toolbar__btn:hover{background:#ffffffb3}.ctx-toolbar__btn:active{background:#2b5cff2e}.ctx-toolbar__label{line-height:1}.popover__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#11141852;display:flex;align-items:flex-start;justify-content:center;padding-top:18vh;z-index:20;animation:fadeIn .12s ease;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.popover{width:min(440px,calc(100% - 40px));background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px 16px;box-shadow:var(--shadow-lg);animation:popIn .14s ease}@keyframes popIn{0%{transform:translateY(-6px);opacity:0}to{transform:translateY(0);opacity:1}}.popover__title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted);margin-bottom:12px}.popover__field{display:block;margin-bottom:10px}.popover__label{display:block;font-size:12px;color:var(--ink-muted);margin-bottom:4px;font-weight:500}.popover__field input{width:100%;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 10px;font:inherit;font-size:13.5px;color:var(--ink);outline:none;transition:border-color .12s ease,box-shadow .12s ease}.popover__field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.popover__actions{display:flex;align-items:center;justify-content:space-between;margin-top:14px;gap:8px}.popover__actions-right{display:flex;gap:6px;margin-left:auto}.btn--danger{color:var(--err)}.btn--danger:hover:not(:disabled){background:#fdecec;border-color:#b423184d}.sidebar__section{border-top:1px solid var(--line-soft);padding:10px 6px 12px;margin-top:4px}.sidebar__section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);padding:0 8px 6px}.sidebar__books{display:flex;flex-direction:column;gap:2px}.shared-book{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink-2);padding:4px 8px;border-radius:5px;cursor:pointer;display:flex;align-items:center;gap:6px;font:inherit;font-size:13px;text-align:left;transition:background .1s ease,color .1s ease}.shared-book:hover{background:var(--line-hairline);color:var(--ink)}.shared-book.is-active{background:var(--accent-soft);color:var(--accent);font-weight:550}.shared-book__icon{color:var(--ink-subtle);display:inline-flex;align-items:center}.shared-book.is-active .shared-book__icon{color:var(--accent)}.shared-book__name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-row__badge{display:inline-flex;align-items:center;color:var(--accent);padding:0 4px;opacity:.7}.shared-book-nav__section-title{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);padding:6px 8px 4px;margin-top:8px}.shared-book-nav__fillings{padding-bottom:8px;border-bottom:1px solid var(--line-soft);margin-bottom:6px}.shared-book-nav__hint{font-size:11.5px;color:var(--ink-muted);padding:4px 8px 8px;font-style:italic}.shared-book-nav__filling{display:flex;align-items:center;gap:6px;padding:5px 8px;margin:1px 0;border-radius:4px;background:transparent;border:0;cursor:pointer;width:100%;font:inherit;text-align:left;transition:background .1s ease}.shared-book-nav__filling:hover{background:var(--line-hairline)}.shared-book-nav__filling.is-active{background:var(--accent-soft)}.shared-book-nav__filling-name{flex:1;font-size:12.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:450}.shared-book-nav__filling.is-active .shared-book-nav__filling-name{color:var(--accent);font-weight:550}.shared-book-nav__filling-badge{font-size:9.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;padding:1px 5px;border-radius:3px;flex-shrink:0}.shared-book-nav__filling-badge.is-draft{background:#fff7ea;color:var(--warn)}.shared-book-nav__filling-badge.is-submitted{background:#ecfdf3;color:var(--ok)}.shared-book-nav__filling-delete{width:20px;height:20px;padding:0;opacity:0;transition:opacity .1s ease}.shared-book-nav__filling:hover .shared-book-nav__filling-delete{opacity:1}.shared-book-nav__new{display:flex;gap:4px;padding:6px 8px 2px}.shared-book-nav__new input{flex:1;border:1px solid var(--line);background:#fff;border-radius:4px;padding:4px 8px;font:inherit;font-size:12px;color:var(--ink);outline:none;min-width:0}.shared-book-nav__new input:focus{border-color:var(--accent)}.readonly-notice.is-draft{background:#fff7ea;color:var(--warn)}.readonly-notice.is-submitted{background:#ecfdf3;color:var(--ok)}.shared-book-nav{padding:8px 6px 12px;display:flex;flex-direction:column;gap:2px}.shared-book-nav__head{padding:6px 6px 10px;border-bottom:1px solid var(--line-soft);margin-bottom:6px}.shared-book-nav__title{font-size:13px;font-weight:600;color:var(--ink);margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.shared-book-nav__item{border:0;background:transparent;cursor:pointer;text-align:left;font:inherit}.readonly-notice{display:flex;align-items:center;gap:8px;padding:8px 14px;background:var(--accent-soft);color:var(--accent);font-size:12.5px;border-bottom:1px solid var(--line-soft)}.share-dialog{width:min(520px,calc(100% - 40px))}.share-dialog__head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.share-dialog__lede{font-size:12.5px;color:var(--ink-muted);margin-top:4px;line-height:1.4}.share-dialog__cover{width:100%;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 10px;font:inherit;font-size:13px;color:var(--ink);outline:none;resize:vertical;transition:border-color .12s ease,box-shadow .12s ease}.share-dialog__cover:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.share-dialog__section{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft)}.share-dialog__section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-muted);margin-bottom:8px}.share-dialog__invite-row{display:flex;gap:8px;margin-bottom:12px}.share-dialog__invite-row input{flex:1;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 10px;font:inherit;font-size:13px;color:var(--ink);outline:none}.share-dialog__invite-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.share-dialog__empty{padding:12px;text-align:center;color:var(--ink-muted);font-size:12.5px;background:var(--line-hairline);border-radius:6px}.share-dialog__grants{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.share-dialog__grant{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line-soft);border-radius:6px;background:#fff}.share-dialog__grant-main{flex:1;min-width:0}.share-dialog__grant-email{font-size:13px;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-dialog__grant-status{font-size:11.5px;color:var(--ink-muted);margin-top:2px}.share-dialog__msg{display:flex;align-items:center;gap:6px;padding:8px 10px;margin-top:10px;border-radius:6px;font-size:12.5px}.share-dialog__msg--ok{background:#ecfdf3;color:var(--ok)}.share-dialog__msg--err{background:#fdecec;color:var(--err)}.app-loading{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff}.landing{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(1400px 700px at 50% -300px,rgba(43,92,255,.08),transparent 60%),linear-gradient(180deg,#fff,#fafbfd);color:var(--ink);font-family:var(--ui-font)}.landing__nav{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;max-width:1120px;width:100%;margin:0 auto}.landing__brand{display:flex;align-items:center;gap:12px}.landing__brand-name{font-size:15px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}.landing__brand-tag{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);padding:1px 6px;background:var(--accent-soft);border-radius:3px;display:inline-block;margin-top:2px}.landing__main{flex:1;max-width:1120px;width:100%;margin:0 auto;padding:20px 32px 80px}.landing__invite{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--accent-soft);border:1px solid rgba(43,92,255,.2);border-radius:10px;margin-bottom:40px;color:var(--ink)}.landing__invite>svg:first-child{color:var(--accent);flex-shrink:0}.landing__invite-title{font-size:14px;font-weight:600;color:var(--ink)}.landing__invite-body{font-size:13px;color:var(--ink-2);margin-top:2px;line-height:1.4}.landing__invite>div{flex:1}.landing__hero{text-align:center;padding:60px 20px 80px;max-width:780px;margin:0 auto}.landing__title{margin:0;font-size:clamp(32px,5vw,56px);font-weight:700;letter-spacing:-.025em;line-height:1.05;color:var(--ink)}.landing__title-emph{background:linear-gradient(135deg,#2b5cff,#6a3bff);-webkit-background-clip:text;background-clip:text;color:transparent}.landing__lede{font-size:clamp(16px,1.5vw,19px);line-height:1.55;color:var(--ink-2);margin:22px auto 32px;max-width:620px}.landing__cta{display:flex;flex-direction:column;align-items:center;gap:10px}.landing__cta-note{font-size:12.5px;color:var(--ink-muted)}.landing__section-eyebrow{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted);text-align:center;margin-bottom:24px}.landing__features{padding:40px 0 60px}.landing__feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.landing__feature{padding:24px;background:#fff;border:1px solid var(--line-soft);border-radius:12px;box-shadow:var(--shadow-xs);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.landing__feature:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--line)}.landing__feature-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);margin-bottom:14px}.landing__feature-title{margin:0 0 8px;font-size:15px;font-weight:600;color:var(--ink);letter-spacing:-.005em}.landing__feature-body{margin:0;font-size:13.5px;color:var(--ink-2);line-height:1.55}.landing__usecases{padding:40px 0 60px}.landing__usecase-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.landing__usecase{padding:20px 22px;background:#fff;border-left:3px solid var(--accent);border-radius:4px;box-shadow:var(--shadow-xs)}.landing__usecase-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.landing__usecase-icon{color:var(--accent);display:inline-flex}.landing__usecase-role{font-size:13px;font-weight:600;color:var(--ink)}.landing__usecase-scenario{margin:0;font-size:13px;color:var(--ink-2);line-height:1.5}.landing__usecases-note{text-align:center;margin:28px auto 0;max-width:560px;font-size:13px;color:var(--ink-muted);line-height:1.5}.landing__how{padding:40px 0 60px}.landing__steps{list-style:none;padding:0;max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.landing__steps li{display:flex;gap:20px;align-items:flex-start;padding:20px 24px;background:#fff;border:1px solid var(--line-soft);border-radius:10px}.landing__step-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#2b5cff,#6a3bff);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:-.01em}.landing__step-title{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:4px}.landing__step-body{font-size:13.5px;color:var(--ink-2);line-height:1.55}.landing__step-body code{font-family:var(--ui-mono);font-size:12.5px;background:var(--line-hairline);padding:2px 6px;border-radius:4px;color:var(--ink)}.landing__final{text-align:center;padding:60px 20px;background:linear-gradient(180deg,transparent 0%,rgba(43,92,255,.04) 100%);border-radius:16px;margin-top:20px}.landing__final-title{margin:0 0 10px;font-size:28px;font-weight:700;letter-spacing:-.015em;color:var(--ink)}.landing__final-body{margin:0 auto 24px;max-width:440px;font-size:14.5px;color:var(--ink-2);line-height:1.55}.btn--large{height:42px;padding:0 20px;font-size:14.5px;font-weight:500}.landing__footer{padding:24px 32px;border-top:1px solid var(--line-soft);max-width:1120px;width:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-muted)}.landing__footer-link{color:var(--ink-2);text-decoration:none}.landing__footer-link:hover{color:var(--accent);text-decoration:underline}.landing__footer-meta{color:var(--ink-subtle);font-size:11.5px}.folder-admin-scroll{flex:1;overflow:auto;background:#fff}.folder-admin{max-width:720px;margin:0 auto;padding:24px 28px 40px}.folder-admin__header{margin-bottom:20px}.folder-admin__breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:2px;font-size:12px;color:var(--ink-muted);margin-bottom:8px}.folder-admin__crumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--ink-muted);padding:2px 4px;cursor:pointer;font:inherit;font-size:12px;border-radius:3px;max-width:20ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-admin__crumb:hover{background:var(--line-hairline);color:var(--ink)}.folder-admin__crumb:last-of-type{color:var(--ink);font-weight:500}.folder-admin__crumb-sep{color:var(--ink-subtle);padding:0 2px}.folder-admin__title-row{display:flex;align-items:center;gap:10px}.folder-admin__title-icon{color:#b48a3e;display:inline-flex}.folder-admin__title{margin:0;font-size:24px;font-weight:600;letter-spacing:-.015em;color:var(--ink);cursor:text}.folder-admin__title-input{flex:1;border:1px solid var(--accent);background:#fff;padding:4px 10px;font:inherit;font-size:24px;font-weight:600;letter-spacing:-.015em;color:var(--ink);border-radius:6px;box-shadow:0 0 0 3px var(--accent-soft);outline:none}.folder-admin__badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;border-radius:4px}.folder-admin__meta{margin-top:6px;font-size:12.5px;color:var(--ink-muted)}.folder-admin__actions{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:24px}.folder-admin__section{margin-top:28px;padding-top:20px;border-top:1px solid var(--line-soft)}.folder-admin__section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:12px}.folder-admin__section-title{margin:0;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-muted)}.folder-admin__section-meta{font-size:12px;color:var(--ink-muted)}.folder-admin__empty{padding:32px 20px;background:var(--line-hairline);border-radius:8px;text-align:center;color:var(--ink-muted);font-size:13px}.folder-admin__empty-actions{display:flex;gap:8px;justify-content:center;margin-top:12px}.folder-admin__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.folder-admin__item{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:6px;transition:background .1s ease}.folder-admin__item:hover{background:var(--line-hairline)}.folder-admin__item-main{flex:1;display:flex;align-items:center;gap:10px;padding:6px 4px;border:0;background:transparent;cursor:pointer;text-align:left;min-width:0;font:inherit}.folder-admin__item-icon{display:inline-flex;flex-shrink:0}.folder-admin__item-icon.is-folder{color:#b48a3e}.folder-admin__item-icon.is-file{color:var(--ink-subtle)}.folder-admin__item-name{flex:1;font-size:13.5px;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:450}.folder-admin__item-meta{font-size:12px;color:var(--ink-muted);font-variant-numeric:tabular-nums;flex-shrink:0}.folder-admin__item-actions{display:flex;gap:2px;opacity:0;transition:opacity .1s ease}.folder-admin__item:hover .folder-admin__item-actions{opacity:1}.folder-admin__section--sharing{background:linear-gradient(180deg,#fafbfd,#fff);border:1px solid var(--line-soft);border-radius:10px;padding:20px 22px;margin-top:32px}.folder-admin__share-empty{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}.folder-admin__share-empty-text{font-size:13px;color:var(--ink-2);line-height:1.5}.folder-admin__share{display:flex;flex-direction:column;gap:16px}.folder-admin__share-grid{display:grid;grid-template-columns:1fr;gap:10px}.folder-admin__field{display:flex;flex-direction:column;gap:4px}.folder-admin__field-label{font-size:11.5px;font-weight:600;color:var(--ink-muted);text-transform:uppercase;letter-spacing:.04em}.folder-admin__field input,.folder-admin__field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 10px;font:inherit;font-size:13px;color:var(--ink);outline:none;resize:vertical;transition:border-color .12s ease,box-shadow .12s ease}.folder-admin__field input:focus,.folder-admin__field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.folder-admin__invite{display:flex;flex-direction:column;gap:6px}.folder-admin__invite-row{display:flex;gap:8px}.folder-admin__invite-row input{flex:1;border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px 10px;font:inherit;font-size:13px;color:var(--ink);outline:none}.folder-admin__invite-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.folder-admin__grants-empty{padding:14px;text-align:center;color:var(--ink-muted);font-size:12.5px;background:var(--line-hairline);border-radius:6px}.folder-admin__grants{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.folder-admin__grant{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line-soft);border-radius:6px;background:#fff}.folder-admin__grant-main{flex:1;min-width:0}.folder-admin__grant-email{font-size:13px;color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-admin__grant-status{margin-top:4px;display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-muted)}.folder-admin__grant-badge{display:inline-flex;align-items:center;padding:1px 6px;border-radius:3px;font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.folder-admin__grant-badge.is-pending{background:#fff7ea;color:var(--warn)}.folder-admin__grant-badge.is-accepted{background:#ecfdf3;color:var(--ok)}.folder-admin__msg{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:6px;font-size:12.5px}.folder-admin__msg--ok{background:#ecfdf3;color:var(--ok)}.folder-admin__msg--err{background:#fdecec;color:var(--err)}.folder-admin__toggle-row{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:#fff;border:1px solid var(--line-soft);border-radius:6px;cursor:pointer}.folder-admin__toggle-row input[type=checkbox]{margin-top:2px;accent-color:var(--accent);width:16px;height:16px;cursor:pointer}.folder-admin__toggle-copy{display:flex;flex-direction:column;gap:2px;min-width:0}.folder-admin__toggle-title{font-size:13px;font-weight:600;color:var(--ink)}.folder-admin__toggle-desc{font-size:12px;color:var(--ink-muted);line-height:1.4}.folder-admin__fillings{padding-top:12px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:8px}.folder-admin__fillings-head{display:flex;align-items:baseline;justify-content:space-between}.folder-admin__share-footer{display:flex;justify-content:flex-end;padding-top:4px}.empty-doc{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 24px;background:#fff}.empty-doc__inner{text-align:center;max-width:320px}.empty-doc__badge{display:inline-flex;padding:14px;border-radius:999px;background:var(--line-hairline);color:var(--ink-subtle);margin-bottom:16px}.empty-doc__title{font-size:15px;font-weight:600;letter-spacing:-.005em;color:var(--ink);margin-bottom:6px}.empty-doc__hint{font-size:13px;color:var(--ink-muted);margin-bottom:20px}.empty-doc__actions{display:flex;gap:8px;justify-content:center}.editor{flex:1;border:0;outline:none;resize:none;padding:20px 22px;font-family:var(--ui-mono);font-size:13.5px;line-height:1.7;color:var(--ink);background:#fff;min-height:300px;-moz-tab-size:2;tab-size:2}.editor::placeholder{color:var(--ink-subtle)}.dropzone{position:absolute;top:90px;right:0;bottom:0;left:0;background:#ffffffe6;display:flex;align-items:center;justify-content:center;pointer-events:none;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dropzone__inner{padding:16px 24px;border:2px dashed var(--accent);border-radius:var(--radius);color:var(--accent);font-weight:600;background:var(--accent-soft);font-size:13px;letter-spacing:-.005em}.notice{padding:9px 14px;font-size:12.5px;border-top:1px solid var(--line-soft);display:flex;align-items:center;gap:10px}.notice--error{background:#fdecec;color:var(--err)}.notice--info{background:#fff7ea;color:var(--warn)}.notice--info svg{color:currentColor;flex-shrink:0}.btn--tiny{padding:3px 10px;font-size:12px;height:24px;margin-left:auto}.preview-scroll{flex:1;overflow:auto;background:linear-gradient(180deg,#eff0f2,#e8e9ec);padding:28px 24px}.md-print .placeholder{color:#9a9384;font-style:italic}.app__footer{padding:10px 22px 14px;font-size:12px;color:var(--ink-muted);text-align:center}@media print{body{background:#fff}.no-print{display:none!important}.app,.app__main,.pane,.pane--preview,.preview-scroll{display:block;background:#fff;border:0;box-shadow:none;padding:0;margin:0;overflow:visible;min-height:0}.app__main{padding:0;gap:0}}.md-print{--mdp-ink: #1f2328;--mdp-muted: #57606a;--mdp-line: #d0d7de;--mdp-accent: #0969da;--mdp-code-bg: #f6f8fa;--mdp-quote-bar: #d0d7de;--mdp-quote-bg: #fafbfc;--mdp-serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;--mdp-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;max-width:78ch;margin:0 auto;padding:44px 56px 60px;background:#fff;color:var(--mdp-ink);font-family:var(--mdp-serif);font-size:16px;line-height:1.7;border-radius:6px;box-shadow:0 1px 2px #00000008,0 12px 32px #0000000f}@media (max-width: 700px){.md-print{padding:28px 22px}}.md-print h1,.md-print h2,.md-print h3,.md-print h4,.md-print h5,.md-print h6{font-family:var(--mdp-serif);color:var(--mdp-ink);line-height:1.25;font-weight:700;margin:1.6em 0 .5em}.md-print h1{font-size:2em;margin-top:0;padding-bottom:.3em;border-bottom:1px solid var(--mdp-line)}.md-print h2{font-size:1.5em;padding-bottom:.3em;border-bottom:1px solid var(--mdp-line)}.md-print h3{font-size:1.25em}.md-print h4{font-size:1.05em}.md-print h5{font-size:1em}.md-print h6{font-size:.95em;color:var(--mdp-muted)}.md-print p{margin:0 0 1em}.md-print a{color:var(--mdp-accent);text-decoration:underline;text-underline-offset:2px}.md-print strong{font-weight:700}.md-print em{font-style:italic}.md-print del{text-decoration:line-through;color:var(--mdp-muted)}.md-print blockquote{margin:0 0 1em;padding:.2em 1em;color:var(--mdp-muted);border-left:4px solid var(--mdp-quote-bar);background:var(--mdp-quote-bg);border-radius:0 4px 4px 0}.md-print ul,.md-print ol{margin:0 0 1em;padding-left:1.6em}.md-print li{margin:.25em 0;line-height:1.7}.md-print li>p{margin:.2em 0}.md-print li:has(>input[type=checkbox]){list-style:none;margin-left:-1.2em}.md-print input[type=checkbox]{margin-right:6px;vertical-align:middle;accent-color:var(--mdp-accent);cursor:pointer;opacity:1;transform:scale(1.05);transition:transform .08s ease}.md-print input[type=checkbox]:hover{transform:scale(1.15)}@media print{.md-print input[type=checkbox]{cursor:default;transform:none}}.md-print hr{border:0;border-top:1px solid var(--mdp-line);margin:2em 0}.md-print img{max-width:100%;height:auto;border-radius:4px}.md-print table{border-collapse:collapse;margin:0 0 1em;width:100%;font-size:.95em;font-family:var(--mdp-serif)}.md-print thead{background:var(--mdp-code-bg)}.md-print th,.md-print td{border:1px solid var(--mdp-line);padding:8px 12px;vertical-align:top}.md-print th{text-align:left;font-weight:700}.md-print pre{background:var(--mdp-code-bg);border:1px solid var(--mdp-line);border-radius:6px;padding:12px 14px;overflow:auto;font-family:var(--mdp-mono);font-size:.9em;line-height:1.5;margin:0 0 1em}.md-print pre code{background:transparent;padding:0;border-radius:0;font-size:inherit}.md-print code{font-family:var(--mdp-mono);font-size:.9em;background:var(--mdp-code-bg);padding:2px 6px;border-radius:4px}.md-print kbd{font-family:var(--mdp-mono);font-size:.85em;background:var(--mdp-code-bg);border:1px solid var(--mdp-line);border-bottom-width:2px;border-radius:4px;padding:1px 5px}.md-print .footnotes{margin-top:2.4em;padding-top:1em;border-top:1px solid var(--mdp-line);font-size:.9em;color:var(--mdp-muted)}.md-print .sm-field{display:inline-block;position:relative;min-width:6ch;vertical-align:baseline;line-height:inherit}.md-print .sm-field__input{display:inline-block;width:auto;min-width:6ch;padding:0 4px;margin:0;border:0;border-bottom:1.5px dashed var(--mdp-line);background:#2b5cff0a;color:var(--mdp-ink);font:inherit;font-family:inherit;line-height:1.4;vertical-align:baseline;border-radius:2px;transition:border-color .12s ease,background .12s ease,box-shadow .12s ease}.md-print .sm-field__input::placeholder{color:var(--mdp-muted)}.md-print .sm-field__input:hover{border-bottom-color:var(--mdp-accent);background:#2b5cff14}.md-print .sm-field__input:focus{outline:none;border-bottom-color:var(--mdp-accent);background:#2b5cff1a;box-shadow:0 2px 0 -.5px var(--mdp-accent)}.md-print .sm-field__input--longtext{display:block;width:100%;min-height:3.4em;resize:vertical;border:1px dashed var(--mdp-line);border-radius:4px;padding:6px 8px;background:#2b5cff0a}.md-print .sm-field__input--longtext:focus{border-style:solid;box-shadow:0 0 0 3px #2b5cff26}.md-print .sm-field__input[readonly]{background:transparent;border-bottom-style:solid;border-bottom-color:var(--mdp-line);cursor:default}@media print{.md-print .sm-field{display:inline}.md-print .sm-field__input{border:0;background:transparent;padding:0;color:inherit;-webkit-appearance:none;-moz-appearance:none;appearance:none}.md-print .sm-field__input:placeholder-shown,.md-print .sm-field__input:not(:focus):empty{border-bottom:1px solid var(--mdp-ink);min-width:8ch}}.md-print .is-selection-focus{position:relative;background:linear-gradient(to right,#0f4c810f,#0f4c8100);box-shadow:-8px 0 #0f4c810f;border-radius:2px;transition:background .12s ease}.md-print .is-selection-highlight{background:#ffe08259;box-shadow:0 0 0 2px #ffe08259;border-radius:2px;transition:background .12s ease}@media print{.md-print .is-selection-focus,.md-print .is-selection-highlight{background:transparent!important;box-shadow:none!important}}@media print{@page{margin:20mm}.md-print{max-width:none;margin:0;padding:0;box-shadow:none;border-radius:0;font-size:11pt;line-height:1.55}.md-print h1,.md-print h2,.md-print h3,.md-print h4{page-break-after:avoid}.md-print pre,.md-print blockquote,.md-print table,.md-print img,.md-print figure{page-break-inside:avoid}.md-print a{color:var(--mdp-ink);text-decoration:underline}.md-print a[href^=http]:after{content:" (" attr(href) ")";font-size:.85em;color:var(--mdp-muted);word-break:break-all}}pre code.hljs{display:block;overflow-x:auto;padding:1em}code.hljs{padding:3px 5px}.hljs{color:#383a42;background:#fafafa}.hljs-comment,.hljs-quote{color:#a0a1a7;font-style:italic}.hljs-doctag,.hljs-keyword,.hljs-formula{color:#a626a4}.hljs-section,.hljs-name,.hljs-selector-tag,.hljs-deletion,.hljs-subst{color:#e45649}.hljs-literal{color:#0184bb}.hljs-string,.hljs-regexp,.hljs-addition,.hljs-attribute,.hljs-meta .hljs-string{color:#50a14f}.hljs-attr,.hljs-variable,.hljs-template-variable,.hljs-type,.hljs-selector-class,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-number{color:#986801}.hljs-symbol,.hljs-bullet,.hljs-link,.hljs-meta,.hljs-selector-id,.hljs-title{color:#4078f2}.hljs-built_in,.hljs-title.class_,.hljs-class .hljs-title{color:#c18401}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}.hljs-link{text-decoration:underline}