.hc{display:flex;flex-direction:column;min-height:420px;border:1px solid var(--line,rgba(11,13,18,.12));border-radius:22px;background:var(--ink-2,#fff);overflow:hidden}.hc-list{flex:1;display:flex;flex-direction:column;gap:12px;padding:18px;max-height:62vh;overflow-y:auto}.hc-empty{margin:auto 0;text-align:center;padding:20px 8px;color:var(--mist,rgba(11,13,18,.68));font-size:15px;line-height:1.5}.hc-topics{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px}.hc-topic{border:1px solid var(--line-2,rgba(11,13,18,.16));border-radius:999px;padding:8px 14px;font-size:14px;background:transparent;color:inherit;cursor:pointer}.hc-topic:hover{background:var(--hover,rgba(11,13,18,.04))}.hc-msg{max-width:min(560px,86%);padding:10px 14px;border-radius:16px}.hc-theirs{align-self:flex-start;background:var(--ink-3,#f1efe9)}.hc-mine{align-self:flex-end;background:var(--pearl,#0b0d12);color:var(--ink,#fff)}.hc-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;opacity:.72;margin-bottom:4px}.hc-body{margin:0;white-space:pre-wrap;font-size:15px;line-height:1.5;overflow-wrap:anywhere}.hc-form{border-top:1px solid var(--line,rgba(11,13,18,.12));padding:12px;display:grid;gap:8px}.hc-form textarea{width:100%;resize:vertical;min-height:64px;border:1px solid var(--line-2,rgba(11,13,18,.16));border-radius:14px;padding:10px 12px;font:inherit;font-size:15px;background:transparent;color:inherit}.hc-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--dim,rgba(11,13,18,.6))}.hc-actions button{border:0;border-radius:999px;padding:10px 20px;font:inherit;font-size:14px;font-weight:500;background:var(--pearl,#0b0d12);color:var(--ink,#fff);cursor:pointer}.hc-actions button:disabled{opacity:.45;cursor:default}.hc-error{margin:0;color:#b42318;font-size:13px}@media (max-width:560px){.hc-actions span{display:none}.hc-actions{justify-content:flex-end}}