:root{--shell-bg:#0f1115;--pane-bg:#161922;--pane-border:#232838;--text-dim:#8a93a6}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;background:var(--shell-bg);color:#e7ebf3;font-family:FiraGO,system-ui,-apple-system,sans-serif}.shell{display:grid;grid-template-columns:360px 1fr;height:100vh}.pane{background:var(--pane-bg);border-right:1px solid var(--pane-border);overflow-y:auto}.pane-right{display:flex;flex-direction:column;height:100vh;overflow:hidden}.conv-header,.list-header{padding:16px;border-bottom:1px solid var(--pane-border)}.transcript{flex:1 1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}.bubble{max-width:70%;padding:8px 12px;border-radius:12px;line-height:1.4;white-space:pre-wrap;word-break:break-word}.bubble.customer{align-self:flex-start;background:#232838}.bubble.operator{align-self:flex-end;background:#2f6df6;color:#fff}.bubble.ai{align-self:flex-start;background:#1d2435;border:1px solid #2a3350}.system-msg{align-self:center;color:var(--text-dim);font-size:12px;text-align:center;padding:4px 10px}.affordances{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row-clickable{cursor:pointer}.row-selected{background:#1d2230}.muted{color:var(--text-dim);font-size:13px}.composer{border-top:1px solid var(--pane-border);padding:12px}.center-screen{display:flex;align-items:center;justify-content:center;height:100vh;flex-direction:column;gap:16px}.banner{padding:6px 12px;font-size:12px;text-align:center}.banner.offline{background:#6b2020;color:#ffd7d7}.banner.recovered-floor{background:#5a4a1f;color:#ffeeb0}