/* BrainBuz 안내 도우미 */
.bbc-toggle{position:fixed;right:18px;bottom:18px;z-index:70;display:inline-flex;align-items:center;gap:9px;height:52px;padding:0 20px 0 16px;border-radius:999px;background:#111;color:#fff;font-size:15px;font-weight:700;letter-spacing:-.02em;box-shadow:0 8px 28px #00000040}
.bbc-toggle:hover{background:#2a2f2c}.bbc-toggle.is-open{background:#d44b23}
.bbc-toggle-dot{width:10px;height:10px;border-radius:50%;background:#f5a524;box-shadow:0 0 0 4px #f5a52440}
.bbc-panel{position:fixed;right:18px;bottom:82px;z-index:70;width:min(400px,calc(100vw - 28px));height:min(560px,calc(100svh - 110px));display:flex;flex-direction:column;background:#fafbf8;color:#202322;border:1px solid #c9ceca;border-radius:18px;box-shadow:0 18px 60px #00000040;overflow:hidden}
.bbc-panel[hidden]{display:none}
.bbc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 14px 12px 18px;background:#202322;color:#fff}
.bbc-title{display:flex;flex-direction:column;line-height:1.35}.bbc-title strong{font-size:15px}.bbc-title span{font-size:12px;color:#b7c0ba}
.bbc-close{width:36px;height:36px;border-radius:50%;font-size:22px;line-height:1;color:#fff}.bbc-close:hover{background:#ffffff22}
.bbc-log{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:10px;background:#f1f2f0}.bbc-log:focus-visible{outline:2px solid #d44b23;outline-offset:-2px}
.bbc-msg{max-width:88%;padding:11px 14px;border-radius:16px;font-size:14.5px;line-height:1.65;word-break:keep-all}
.bbc-msg p{margin:0}.bbc-msg p+p{margin-top:6px}
.bbc-me{align-self:flex-end;background:#f5a524;color:#111;border-bottom-right-radius:4px}
.bbc-bot{align-self:flex-start;background:#fff;border:1px solid #d8dcd8;border-bottom-left-radius:4px}
.bbc-list{margin:0;padding-left:18px;display:grid;gap:5px}
.bbc-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.bbc-link{font-size:13px;padding:6px 11px;border:1px solid #bfc5c0;border-radius:999px;background:#fafbf8;text-decoration:none;color:#202322}.bbc-link:hover{background:#e8ebe6}
.bbc-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px;background:#f1f2f0}.bbc-chips[hidden]{display:none}
.bbc-chip{font-size:13px;padding:7px 12px;border-radius:999px;border:1px solid #bfc5c0;background:#fafbf8}.bbc-chip:hover{background:#fff;border-color:#202322}
.bbc-form{display:flex;gap:8px;padding:10px 12px;border-top:1px solid #d8dcd8;background:#fafbf8}
.bbc-input{flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid #bfc5c0;border-radius:12px;font:inherit;font-size:15px;background:#fff;color:#202322}.bbc-input:focus{outline:2px solid #d44b23;outline-offset:1px}
.bbc-send{height:44px;padding:0 16px;border-radius:12px;background:#d44b23;color:#fff;font-weight:700;font-size:14px}.bbc-send:hover{background:#b93d1a}
.bbc-note{margin:0;padding:0 14px 12px;font-size:11.5px;line-height:1.55;color:#687269;background:#fafbf8}
@media(max-width:560px){.bbc-toggle{right:12px;bottom:12px;height:48px;padding:0 16px 0 14px}.bbc-panel{right:0;bottom:0;left:0;width:100%;height:min(78svh,640px);border-radius:18px 18px 0 0}.bbc-toggle.is-open{display:none}}