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var(--color-border-secondary,#e5e7eb);padding-right:0;padding-bottom:var(--space-300,12px)}.agent-rail__list{max-height:180px}.agent-chat__openers{grid-template-columns:minmax(0,1fr)}}.agent-chat__usage{align-items:center;gap:var(--space-200,8px);margin-top:var(--space-300,12px);padding-top:var(--space-200,8px);border-top:1px solid var(--color-border-secondary,#e5e7eb);font:var(--type-mono-xs,400 11px/1.4 ui-monospace, monospace);color:var(--color-text-tertiary,#6b7280);flex-wrap:wrap;display:flex}.agent-chat__usage-cost{color:var(--color-text-secondary,#4b5563);font-weight:600}.agent-chat__attach{border-radius:var(--radius-200,10px);border:1px solid var(--border-subtle,#0f172a1a);width:30px;height:30px;color:var(--text-muted,#64748b);cursor:pointer;background:0 0;justify-content:center;align-items:center;transition:color .12s,border-color .12s,background .12s;display:inline-flex}.agent-chat__attach:hover{color:var(--text-primary,#0f172a);border-color:var(--border-strong,#0f172a3d);background:#fff9}.agent-chat__files{flex-wrap:wrap;gap:6px;margin:0;padding:10px 12px 0;list-style:none;display:flex}.agent-chat__file{border:1px solid var(--border-subtle,#0f172a1a);border-radius:var(--radius-200,10px);max-width:220px;font-family:var(--font-mono,ui-monospace, monospace);letter-spacing:.02em;color:var(--text-muted,#64748b);background:#ffffffb3;align-items:center;gap:6px;padding:4px 6px 4px 4px;font-size:11px;display:inline-flex}.agent-chat__file-thumb{object-fit:cover;border-radius:6px;width:22px;height:22px}.agent-chat__file-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.agent-chat__file>button{color:inherit;cursor:pointer;background:0 0;border:0;padding:0;display:inline-flex}.agent-chat__file>button:hover{color:var(--text-primary,#0f172a)}.agent-chat__msg-image{border-radius:var(--radius-300,14px);max-width:min(340px,100%);margin-bottom:6px;display:block}.agent-chat__msg-file{font-family:var(--font-mono,ui-monospace, monospace);text-transform:uppercase;letter-spacing:.06em;opacity:.7;margin:0 0 6px;font-size:11px}.agent-rail__notice{margin:0 0 var(--space-200,8px);border:1px solid var(--color-border-secondary,#e5e7eb);background:var(--color-bg-surface,#fff);color:var(--color-fg-secondary,#52525b);font-family:var(--font-mono,ui-monospace), monospace;border-radius:10px;padding:8px 10px;font-size:11px;line-height:1.45}