:root{--bg: #f6f7f9;--card: #fff;--border: #e3e6eb;--text: #1c2330;--muted: #6b7280;--primary: #2c6e91;--primary-dark: #1f5273;--accent: #e0b86f;--danger: #c0392b;--booked: #2c6e91;--booked-mine: #c97b3a;--kind-internal: #2c6e91;--kind-external: #6a4c93;--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}header.topbar{background:var(--primary);color:#fff;padding:12px 24px;display:flex;align-items:center;gap:20px}header.topbar h1{font-size:1.2rem;margin:0;flex-shrink:0}header.topbar nav{display:flex;gap:16px;flex:1}header.topbar nav a{color:#fff;opacity:.85}header.topbar nav a.active{opacity:1;font-weight:600}header.topbar .user{font-size:.9rem;opacity:.9}header.topbar button.link{background:none;border:none;color:#fff;cursor:pointer;opacity:.85}main{max-width:1100px;margin:0 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var(--accent)}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;vertical-align:middle;margin-right:4px}.dot.kind-internal{background:var(--kind-internal)}.dot.kind-external{background:var(--kind-external)}.legend{display:flex;gap:16px;align-items:center;margin-top:12px;font-size:.85rem;flex-wrap:wrap}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#fff;border-radius:var(--radius);padding:20px;width:100%;max-width:480px;box-shadow:0 10px 40px #0003}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.modal-head h3{margin:0}.modal-actions{display:flex;gap:8px;margin-top:20px;align-items:center}.link-btn{background:none;border:none;cursor:pointer;font-size:1.2rem;color:var(--muted)}.kind-toggle{display:flex;gap:8px;margin:6px 0}.kind-toggle .pill{flex:1;border:1px solid var(--border);border-radius:6px;padding:8px 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button.small{padding:2px 6px}.todo-edit{flex:1;display:flex;flex-direction:column;gap:6px}.todo-edit-actions{display:flex;gap:6px}.thread-row{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}.thread-row:last-child{border-bottom:none}.thread-row .title{font-weight:600}.thread-row .meta{color:var(--muted);font-size:.85rem}.post{border:1px solid var(--border);border-radius:6px;padding:12px;margin-bottom:12px;background:#fafbfc}.post .post-head{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted);margin-bottom:6px}.post .body{white-space:pre-wrap}.poll{border:1px dashed var(--accent);border-radius:6px;padding:12px;margin:12px 0;background:#fff8ec}.poll-option{display:flex;align-items:center;gap:8px;margin:6px 0}.poll-bar{flex:1;background:#eee;border-radius:4px;height:22px;position:relative;overflow:hidden}.poll-bar .fill{background:var(--primary);height:100%}.poll-bar 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