/* 「会話でマスター更新」の共通部品（画面）KM_VERSION 0.1.0。色はアプリの --blue・--before-bg・--after-bg を使う（無ければ既定） */
.km{--km-blue:var(--blue,#0060C0);--km-before:var(--before-bg,#f3f4f6);--km-after:var(--after-bg,#e8f1fb);--km-line:var(--line,#e5e7eb);--km-gray:var(--gray,#4b5563);--km-red:var(--red,#b91c1c)}
.km-box{background:#fff;border:1px solid var(--km-line);border-radius:12px;padding:16px}
.km-head{font-weight:900;font-size:16px;margin-bottom:8px}
.km-talk{max-height:320px;overflow:auto;display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.km-talk:empty{display:none}
.km-msg .b{display:inline-block;padding:8px 12px;border-radius:12px;max-width:100%;white-space:pre-wrap;word-break:break-word}
.km-msg.user{text-align:right}
.km-msg.user .b{background:var(--km-blue);color:#fff}
.km-msg.ai .b{background:var(--km-after)}
.km-msg.sys .b{background:#ecfdf3;color:#065f2c}
.km-msg.err .b{background:#fdecec;color:var(--km-red)}
.km-choices{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.km-choices button{border:1px solid var(--km-blue);background:#fff;color:var(--km-blue);border-radius:999px;padding:6px 14px;font:inherit;font-size:14px;cursor:pointer}
.km-in{display:flex;gap:8px;align-items:stretch}
.km-in textarea{flex:1;min-width:0;font:inherit;border:1px solid var(--km-line);border-radius:10px;padding:8px 10px;resize:vertical}
.km-send{border:0;background:var(--km-blue);color:#fff;border-radius:10px;padding:0 20px;font:inherit;font-weight:700;cursor:pointer}
.km-send:disabled{opacity:.5}
.km.busy .km-send::after{content:'…'}
.km-hint{font-size:12px;color:var(--km-gray);margin-top:6px}
.km-pl{font-weight:700;margin:4px 0 8px}
.km-card{border:1px solid var(--km-line);border-radius:10px;padding:10px 12px;margin-bottom:8px;overflow-x:auto}
.km-card .t{font-weight:700;margin-bottom:6px}
.km-card .op{display:inline-block;font-size:12px;border-radius:6px;padding:1px 8px;margin-right:8px;background:var(--km-blue);color:#fff}
.km-card.op-delete .op{background:var(--km-red)}
.km-card table{border-collapse:collapse;width:100%;font-size:14px}
.km-card th{text-align:left;font-weight:700;color:var(--km-gray);padding:4px 8px 4px 0;white-space:nowrap;width:1%}
.km-card td{padding:4px 8px;border-radius:6px;word-break:break-word}
.km-card td.h{font-size:12px;color:var(--km-gray);padding-top:0}
.km-card td.bf{background:var(--km-before);color:var(--km-gray)}
.km-card td.af{background:var(--km-after);color:var(--km-blue);font-weight:700}
.km-card.op-delete td.bf{text-decoration:line-through}
.km-note{font-size:14px;background:#fff8e6;border-radius:8px;padding:6px 10px;margin-bottom:8px}
.km-act{display:flex;gap:8px;flex-wrap:wrap}
.km-act button{font:inherit;font-weight:700;border-radius:10px;padding:10px 20px;cursor:pointer}
.km-ok{border:0;background:var(--km-blue);color:#fff}
.km-ok.del{background:var(--km-red)}
.km-no{border:1px solid var(--km-line);background:#fff;color:var(--km-gray)}
.km-dlg{margin-top:10px;border:2px solid var(--km-red);border-radius:10px;padding:12px;background:#fff}
.km-dlg .q{font-weight:700;color:var(--km-red);margin-bottom:8px}
.km-hist{margin-top:14px;background:#fff;border:1px solid var(--km-line);border-radius:12px;padding:10px 16px}
.km-hist summary{cursor:pointer;font-weight:700}
.km-h{border-top:1px solid var(--km-line);padding:10px 0;font-size:14px}
.km-h:first-child{border-top:0}
.km-h .m{display:flex;gap:12px;color:var(--km-gray);font-size:12px}
.km-h .ch{display:flex;flex-wrap:wrap;gap:4px 12px;margin:4px 0}
.km-h.undone{opacity:.6}
.km-h .u{font-size:12px;color:var(--km-gray)}
.km-undo{font:inherit;font-size:13px;border:1px solid var(--km-line);background:#fff;border-radius:8px;padding:4px 12px;cursor:pointer}
.km-empty{color:var(--km-gray);font-size:14px;padding:8px 0}
@media (max-width:640px){ .km-in{flex-direction:column} .km-send{padding:10px} }