:root{--bg: #f0f2f5;--panel: #ffffff;--accent: #25d366;--accent-dark: #128c7e;--text: #111b21;--muted: #667781;--border: #e9edef;--in: #ffffff;--out: #d9fdd3}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;overflow:hidden;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}button{font:inherit;cursor:pointer}input,select{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px}.centered{min-height:100vh;display:grid;place-items:center}.card{background:var(--panel);border-radius:12px;padding:24px;box-shadow:0 1px 6px #00000014;display:flex;flex-direction:column;gap:10px;min-width:320px}.login-brand{display:flex;flex-direction:column;align-items:center;gap:8px;margin-bottom:8px}.login-brand img{border-radius:14px}.login h1{margin:0;color:var(--accent-dark)}.login button{background:var(--accent-dark);color:#fff;border:none;border-radius:8px;padding:10px}.login button:disabled{opacity:.5}.layout{display:grid;grid-template-columns:240px minmax(0,1fr);grid-template-rows:minmax(0,1fr);height:100%;overflow:hidden;transition:grid-template-columns .18s ease}.layout.collapsed{grid-template-columns:64px minmax(0,1fr)}.sidebar{background:var(--panel);border-right:1px solid var(--border);padding:12px 12px 16px;display:flex;flex-direction:column;gap:4px;overflow:hidden;z-index:50}.rail-toggle{align-self:flex-end;width:32px;height:32px;display:grid;place-items:center;background:none;border:1px solid var(--border);border-radius:8px;color:var(--muted)}.layout.collapsed .rail-toggle{align-self:center}.chevron{transition:transform .18s ease}.layout.collapsed .chevron{transform:rotate(180deg)}.sidebar .brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--accent-dark);margin:4px 4px 12px;min-height:28px}.sidebar .brand-logo{border-radius:7px;flex:none}.sidebar a{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);padding:9px 10px;border-radius:8px;white-space:nowrap}.sidebar a.active{background:var(--bg);font-weight:600}.sidebar a:hover{background:var(--bg)}.sidebar .ic{flex:none}.sidebar .spacer{flex:1}.sidebar .me{font-size:13px;color:var(--muted);padding:8px 10px;white-space:nowrap;overflow:hidden}.sidebar .logout{display:flex;align-items:center;gap:12px;padding:9px 10px}.content{overflow-y:auto;min-width:0;min-height:0}.layout.collapsed .sidebar .label{display:none}.layout.collapsed .sidebar .brand{justify-content:center;margin-left:0;margin-right:0}.layout.collapsed .sidebar a,.layout.collapsed .sidebar .logout{justify-content:center;padding:9px 0;gap:0}.layout.collapsed .sidebar .me,.sidebar-backdrop{display:none}@media (max-width: 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var(--border);text-decoration:none;color:var(--text)}.row:hover{background:var(--panel)}.row-main{min-width:0;flex:1}.row-title{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-sub{color:var(--muted);font-size:13px;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden}.row-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:12px;flex:none}.badge{background:var(--accent);color:#fff;border-radius:10px;padding:0 7px;font-size:12px;margin-left:8px}.pill{font-size:11px;border-radius:10px;padding:1px 8px}.pill.open{background:#e7f8ec;color:var(--accent-dark)}.pill.closed{background:#fdecea;color:#b00020}.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.inline-form button{background:var(--accent-dark);color:#fff;border:none;border-radius:8px;padding:9px 14px}.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.page-head 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10px;border-radius:8px;box-shadow:0 1px 1px #0000000f}.bubble.in{align-self:flex-start;background:var(--in)}.bubble.out{align-self:flex-end;background:var(--out)}.bubble-text{white-space:pre-wrap;word-break:break-word}.bubble-media{display:flex;flex-direction:column;gap:4px}.media-img{max-width:100%;width:260px;max-height:320px;object-fit:cover;border-radius:6px;display:block;background:var(--border)}.media-doc{display:inline-flex;gap:6px;align-items:center;color:var(--accent-dark);text-decoration:none}.bubble-meta{font-size:11px;color:var(--muted);text-align:right;margin-top:2px}.status.failed{color:#b00020;font-weight:600}.bubble-error{font-size:11px;color:#b00020;margin-top:3px;max-width:320px;word-break:break-word}.composer{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--border);background:var(--panel);align-items:center}.composer input{flex:1}.composer button{background:var(--accent-dark);color:#fff;border:none;border-radius:8px;padding:9px 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