:root{--bg:#f4f5f7;--surface:#fff;--border:#dde1e6;--text:#1f2328;--muted:#667085;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#e8efff;--danger:#c62828;--warn-bg:#fff7e0;--warn-border:#f2c94c;--info-bg:#eef4ff;--radius:8px;--shadow:0 1px 3px #10182814, 0 1px 2px #1018280a;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}code{background:#eef0f3;border-radius:4px;padding:1px 5px;font-size:.92em}.muted{color:var(--muted)}.small{font-size:13px}.center{place-items:center;min-height:100vh;display:grid}.center-text{text-align:center}.error{color:var(--danger);margin:8px 0}.stack{flex-direction:column;gap:10px;display:flex}.grow{flex:1;min-width:0}input,select{font:inherit;border:1px solid var(--border);background:var(--surface);color:inherit;border-radius:6px;padding:8px 10px}input:focus,select:focus{outline:2px solid var(--primary-soft);border-color:var(--primary)}.btn{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;white-space:nowrap;border-radius:6px;align-items:center;gap:6px;padding:8px 14px;font-size:14px;display:inline-flex}.btn:hover:not(:disabled){background:#f0f2f5}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-ghost{background:0 0;border-color:#0000}.btn-sm{padding:4px 10px;font-size:13px}.header{z-index:10;background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:10px 20px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:8px;font-size:17px;font-weight:600;display:flex}.brand-lg{margin-bottom:4px;font-size:24px}.brand-mark{background:var(--primary);border-radius:4px;width:22px;height:28px;display:inline-block}.header-main{flex:1;min-width:0}.header-user{align-items:center;gap:8px;font-size:14px;display:flex}.avatar{background:var(--primary-soft);width:30px;height:30px;color:var(--primary);border-radius:50%;flex:none;place-items:center;font-size:14px;font-weight:600;display:inline-grid}.login{place-items:center;min-height:100vh;padding:16px;display:grid}.card{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:12px}.login-card{width:100%;max-width:420px;padding:28px}.demo-users{flex-direction:column;gap:8px;margin:16px 0;display:flex}.demo-user{text-align:left;justify-content:flex-start;gap:12px;padding:10px 12px}.divider{color:var(--muted);align-items:center;gap:10px;margin:16px 0;font-size:13px;display:flex}.divider:before,.divider:after{content:"";border-top:1px solid var(--border);flex:1}.container{max-width:900px;margin:0 auto;padding:24px 16px 64px}.actions{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;display:flex}.section-title{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:28px 0 10px;font-size:15px;font-weight:600}.doc-list{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin:0;padding:0;list-style:none}.doc-row{border-top:1px solid var(--border);align-items:center;gap:12px;padding:10px 14px;display:flex}.doc-row:first-child{border-top:none}.doc-row:hover{background:#fafbfc}.doc-link{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.doc-link:hover .doc-title{color:var(--primary);text-decoration:underline}.doc-title{text-overflow:ellipsis;white-space:nowrap;font-weight:500;overflow:hidden}.doc-icon{color:var(--primary);font-size:18px}.doc-icon.shared{color:#16a34a}.empty{border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted);background:var(--surface);padding:18px}.badge{color:var(--muted);white-space:nowrap;background:#eef0f3;border-radius:999px;padding:2px 8px;font-size:12px}.badge-editor{color:#15803d;background:#e7f6ec}.badge-viewer{color:#b45309;background:#fff4e0}.doc-header{align-items:center;gap:12px;min-width:0;display:flex}.title-input{border-color:#0000;flex:0 420px;min-width:80px;padding:4px 8px;font-size:17px;font-weight:500}.title-input:hover:not(:read-only){border-color:var(--border)}.title-input:read-only{background:0 0;outline:none}.save-status{color:var(--muted);white-space:nowrap;font-size:13px}.status-error,.status-conflict{color:var(--danger)}.share-btn{margin-left:auto}.toolbar{z-index:9;border-bottom:1px solid var(--border);background:#eef2f8;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 16px;display:flex;position:sticky;top:55px}.tb-btn{font:inherit;cursor:pointer;min-width:32px;height:32px;color:var(--text);background:0 0;border:none;border-radius:4px;padding:0 8px;font-size:14px}.tb-btn:hover:not(:disabled){background:#dfe5ee}.tb-btn.active{color:var(--primary-hover);background:#d3e1fd}.tb-btn:disabled{opacity:.35;cursor:default}.tb-btn[aria-label^=Bold]{font-weight:700}.tb-btn[aria-label^=Italic]{font-family:Georgia,serif;font-style:italic}.tb-btn[aria-label^=Underline]{text-decoration:underline}.tb-btn[aria-label^=Strike]{text-decoration:line-through}.tb-select{background:0 0;border-color:#0000;height:32px;padding:4px 6px}.tb-sep{background:#c9d1dc;width:1px;height:20px;margin:0 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var(--border);color:var(--muted);margin:0 0 10px;padding-left:14px}.prose a{color:var(--primary);text-decoration:underline}.prose pre{background:#f4f5f7;border-radius:6px;padding:12px;overflow-x:auto}.prose p.is-editor-empty:first-child:before{content:attr(data-placeholder);color:var(--muted);float:left;pointer-events:none;height:0}.modal-backdrop{z-index:50;background:#10182873;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:12px;width:100%;max-width:520px;padding:24px;box-shadow:0 20px 40px #10182833}.modal h2{overflow-wrap:anywhere;margin:0 0 16px;font-size:19px}.share-form{gap:8px;display:flex}.share-form input{flex:1;min-width:0}.small-title{margin:20px 0 8px;font-size:14px}.share-list{margin:0;padding:0;list-style:none}.share-list li{align-items:center;gap:10px;padding:8px 0;font-size:14px;display:flex}.modal-actions{justify-content:flex-end;margin-top:16px;display:flex}@media (width<=700px){.hide-sm{display:none}.header{flex-wrap:wrap;gap:8px;padding:8px 12px}.brand-text{display:none}.header:has(.doc-header) .header-main{flex-basis:100%;order:3}.toolbar{padding:4px 8px;top:98px}.page{min-height:60vh;padding:32px 20px}.page-wrap{padding:12px 8px 60px}.share-form{flex-wrap:wrap}}