*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Myanmar Text","Noto Sans Myanmar",sans-serif;background:#FFF8F0;color:#222;line-height:1.7}
.topbar{background:#8B0000;color:#fff;padding:14px 16px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:5}
.brand{display:flex;gap:10px;align-items:center}.logo{font-size:34px}
.brand h1{font-size:19px;margin:0;line-height:1.3}.brand p{font-size:12px;margin:2px 0 0;opacity:.9}
.icon-btn{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:10px;font-size:20px;padding:6px 10px;cursor:pointer}
.wrap{max-width:720px;margin:0 auto;padding:14px 14px 30px}
.notice{background:#FFF3CD;border:1px solid #E6C87A;border-radius:12px;padding:10px 12px;font-size:14px;margin-bottom:12px}
.notice.ok{background:#E6F4EA;border-color:#7BC47F}
.cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.cat{border:1px solid #D9A441;background:#fff;border-radius:999px;padding:7px 12px;font-size:13px;cursor:pointer}
.cat.active{background:#8B0000;color:#fff;border-color:#8B0000}
.sec-title{font-weight:700;font-size:14px;margin:6px 0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#fff;border:1px solid #ddd;border-radius:999px;padding:8px 12px;font-size:13px;cursor:pointer;text-align:left}
.chip:hover{border-color:#8B0000}
.chat{display:flex;flex-direction:column;gap:12px;margin:16px 0}
.msg{background:#fff;border:1px solid #eee;border-radius:14px;padding:12px 14px;white-space:pre-wrap;word-wrap:break-word}
.msg.user{background:#8B0000;color:#fff;align-self:flex-end;max-width:90%}
.msg.ai{box-shadow:0 1px 4px rgba(0,0,0,.06)}
.msg .tag{display:inline-block;font-size:12px;border-radius:999px;padding:2px 8px;margin:2px 4px 2px 0}
.tag.ok{background:#E6F4EA}.tag.warn{background:#FFF3CD}.tag.no{background:#FCE8E6}
.msg a{color:#8B0000;word-break:break-all}
.msg .src{font-size:13px;color:#555;border-top:1px solid #eee;margin-top:8px;padding-top:8px}
.ask{display:flex;gap:8px;position:sticky;bottom:10px;background:#FFF8F0;padding:6px 0}
.ask textarea{flex:1;border:2px solid #8B0000;border-radius:12px;padding:12px;font-size:16px;font-family:inherit;resize:vertical}
.ask button{background:#8B0000;color:#fff;border:0;border-radius:12px;padding:0 18px;font-size:16px;font-weight:700;cursor:pointer}
.ask button:disabled{opacity:.5}
.hint{font-size:13px;color:#666;margin:6px 0}.hint.small{font-size:12px}
footer{text-align:center;font-size:12px;color:#888;padding:16px}
dialog{border:0;border-radius:16px;padding:0;max-width:92vw;width:480px}
.dlg{padding:18px}.dlg h2{margin:0 0 12px;font-size:18px}
.dlg label{display:block;font-size:14px;margin:10px 0}.dlg input{width:100%;padding:10px;margin-top:6px;border:1px solid #ccc;border-radius:10px;font-size:15px}
.dlg-note{font-size:13px;color:#555}.dlg-note.warn{color:#8B0000}
.dlg-btns{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.btn{background:#8B0000;color:#fff;border:0;border-radius:10px;padding:10px 16px;cursor:pointer}.btn.ghost{background:#eee;color:#222}
@media(max-width:480px){.brand h1{font-size:17px}.ask button{padding:0 12px}}