.bm-agent{--bm-height:500px;--bm-radius:12px;--bm-radius-bubble:16px;--bm-font-size:1rem;--bm-line-height:1.6;--bm-color-user-bg:var(--wp--preset--color--primary,#0073aa);--bm-color-user-text:var(--wp--preset--color--base,#fff);--bm-color-bot-bg:var(--wp--preset--color--base-2,#f0f0f0);--bm-color-bot-text:var(--wp--preset--color--contrast,#1e1e1e);--bm-color-error-bg:#fff0f0;--bm-color-error-text:#c0392b;--bm-color-input-bg:var(--wp--preset--color--base,#fff);--bm-color-input-border:var(--wp--preset--color--base-3,#ddd);--bm-color-send-bg:var(--wp--preset--color--primary,#0073aa);--bm-color-send-text:#fff;--bm-color-dot:#999;display:flex;flex-direction:column;height:var(--bm-height);font-size:var(--bm-font-size);line-height:var(--bm-line-height);border-radius:var(--bm-radius);overflow:hidden}
.bm-agent__messages{flex:1;overflow-y:auto;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem;scroll-behavior:smooth}
.bm-agent__message{display:flex;max-width:80%}
.bm-agent__message--user{align-self:flex-end;flex-direction:row-reverse}
.bm-agent__message--assistant,.bm-agent__message--error{align-self:flex-start}
.bm-agent__bubble{padding:.65rem 1rem;border-radius:var(--bm-radius-bubble);word-break:break-word}
.bm-agent__message--user .bm-agent__bubble{background:var(--bm-color-user-bg);color:var(--bm-color-user-text);border-bottom-right-radius:4px}
.bm-agent__message--assistant .bm-agent__bubble{background:var(--bm-color-bot-bg);color:var(--bm-color-bot-text);border-bottom-left-radius:4px}
.bm-agent__message--error .bm-agent__bubble{background:var(--bm-color-error-bg);color:var(--bm-color-error-text);font-size:.9em}
.bm-agent__message--typing .bm-agent__bubble{display:flex;align-items:center;gap:5px;padding:.75rem 1rem}
.bm-agent__dot{width:8px;height:8px;border-radius:50%;background:var(--bm-color-dot);animation:bm-bounce .9s infinite ease-in-out}
.bm-agent__dot:nth-child(2){animation-delay:.15s}.bm-agent__dot:nth-child(3){animation-delay:.3s}
@keyframes bm-bounce{0%,80%,100%{transform:translateY(0);opacity:.5}40%{transform:translateY(-6px);opacity:1}}
.bm-agent__input-area{display:flex;align-items:flex-end;gap:.5rem;padding:.75rem 1rem;border-top:1px solid var(--bm-color-input-border)}
.bm-agent__input{flex:1;resize:none;border:1px solid var(--bm-color-input-border);border-radius:8px;padding:.6rem .85rem;font-family:inherit;font-size:inherit;line-height:var(--bm-line-height);background:var(--bm-color-input-bg);min-height:42px;max-height:140px;overflow-y:auto;transition:border-color .2s}
.bm-agent__input:focus{outline:none;border-color:var(--bm-color-send-bg)}
.bm-agent__send{flex-shrink:0;width:42px;height:42px;border:none;border-radius:8px;background:var(--bm-color-send-bg);color:var(--bm-color-send-text);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .2s,transform .15s}
.bm-agent__send:hover{opacity:.88}.bm-agent__send:active{transform:scale(.95)}.bm-agent__send:disabled{opacity:.4;cursor:not-allowed}
.bm-agent--loading .bm-agent__input{opacity:.6}
.bm-agent--dark{--bm-color-bot-bg:#2a2a2a;--bm-color-bot-text:#e8e8e8;--bm-color-input-bg:#1e1e1e;--bm-color-input-border:#3a3a3a;--bm-color-dot:#888}
@media (prefers-color-scheme:dark){.bm-agent--auto{--bm-color-bot-bg:#2a2a2a;--bm-color-bot-text:#e8e8e8;--bm-color-input-bg:#1e1e1e;--bm-color-input-border:#3a3a3a;--bm-color-dot:#888}}
@media (max-width:600px){.bm-agent__message{max-width:92%}}