/* UX3900 · one conversational workspace; saved history and in-message calculations. */
.aiw-body{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:28px clamp(16px,3vw,38px);color:var(--text-primary);background:var(--surface-page);text-align:left}
.aiw-intro{margin-bottom:24px}.aiw-eyebrow{color:var(--brand-primary);font-size:12px;font-weight:750;letter-spacing:.07em}.aiw-intro h2{font-size:clamp(21px,2vw,28px);line-height:1.45;letter-spacing:-.045em;margin:10px 0}.aiw-intro p{font-size:13px;color:var(--text-secondary);line-height:1.75}
.aiw-notice{padding:16px 18px;border:1px solid var(--border-default);border-radius:14px;background:var(--surface-selected);font-size:14px;line-height:1.8}.aiw-primary{min-height:44px;border:0;border-radius:12px;padding:12px 18px;background:var(--brand-primary);color:#fff;font:inherit;font-weight:650;cursor:pointer}.aiw-error,.aiw-chat-error{padding:14px 18px;margin:12px 0;border-radius:12px;background:var(--semantic-warning-soft);color:var(--semantic-warning-text);font-size:14px;line-height:1.7}.aiw-chat-error button,.aiw-error button{min-height:44px;border:1px solid currentColor;border-radius:10px;padding:10px 12px;margin:8px 8px 0 0;background:transparent;color:inherit;cursor:pointer}.aiw-error[hidden]{display:none}
.aiw-body button:focus-visible,.aiw-chat-error button:focus-visible,.aiw-chat-calculation summary:focus-visible{outline:3px solid var(--brand-primary);outline-offset:3px}.aiw-chat-calculation{margin:16px 0;padding:16px 0;border-top:1px solid var(--border-default);min-width:0}.aiw-chat-calculation summary{font-size:14px;line-height:1.6;cursor:pointer;font-weight:650;min-height:32px}.aiw-chat-calculation p{font-size:13px;line-height:1.8;color:var(--text-secondary)}.aiw-chat-table{overflow:auto;max-width:100%;border:1px solid var(--border-default);border-radius:12px}.aiw-chat-table table{width:100%;border-collapse:collapse;min-width:420px;font-size:13px}.aiw-chat-table caption{text-align:left;padding:12px;line-height:1.7;font-size:12px;color:var(--text-secondary)}.aiw-chat-table th,.aiw-chat-table td{padding:12px;text-align:right;border-top:1px solid var(--border-default)}.aiw-chat-table th:first-child{text-align:left}.aiw-chat-table thead{background:var(--surface-secondary)}