.ai-chat-widget{--card-bg:#fff;--bg-primary:#fff;--bg-tertiary:#f5f7f8;--text-secondary:#24313a;--text-muted:#6b7780;--border-color:#dbe2e6;--input-border:#c8d1d6;--input-bg:#fff;position:fixed;bottom:20px;right:20px;z-index:9999;font-family:inherit}
.ai-chat-widget[data-ai-site=medic]{--bs-primary:#0b6b63;--bs-primary-rgb:11,107,99}
html[data-theme=dark] .ai-chat-widget{--card-bg:#20282c;--bg-primary:#20282c;--bg-tertiary:#172024;--text-secondary:#edf3f4;--text-muted:#a9b6ba;--border-color:#3b484d;--input-border:#536168;--input-bg:#172024}
.ai-chat-toggle{background:var(--bs-primary);color:#fff;border:none;border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(17,24,39,.2)}
.ai-chat-panel{width:380px;max-height:70vh;background:var(--card-bg);border-radius:16px;box-shadow:0 18px 36px rgba(15,23,42,.2);overflow:hidden;border:1px solid var(--border-color);display:flex;flex-direction:column}
.ai-chat-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--bs-primary);color:#fff}
.ai-chat-title{font-weight:600;display:flex;align-items:center;font-size:.95rem}
.ai-chat-actions{display:flex;gap:6px}
.ai-chat-icon-btn{width:28px;height:28px;border-radius:8px;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1rem}
.ai-chat-messages{padding:12px;flex:1;overflow-y:auto;background:var(--bg-tertiary);display:flex;flex-direction:column;gap:10px}
.ai-chat-empty{display:flex;flex-direction:column;align-items:center;text-align:center;color:var(--text-muted);gap:6px;margin:auto;max-width:240px}
.ai-chat-empty-icon{width:44px;height:44px;border-radius:12px;background:rgba(255,140,66,.15);color:var(--bs-primary);display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.ai-chat-empty-title{font-weight:600;color:var(--text-secondary)}
.ai-chat-empty-text{font-size:.85rem}
.ai-chat-message{display:flex;flex-direction:column;gap:6px}
.ai-chat-message--user{align-items:flex-end}
.ai-chat-message--assistant{align-items:flex-start}
.ai-chat-bubble{max-width:85%;padding:10px 12px;border-radius:14px;font-size:.9rem;line-height:1.4;word-break:break-word}
.ai-chat-message--user .ai-chat-bubble{background:var(--bs-primary);color:#fff;border-bottom-right-radius:4px}
.ai-chat-message--assistant .ai-chat-bubble{background:var(--bg-primary);border:1px solid var(--border-color);color:var(--text-secondary);border-bottom-left-radius:4px}
.ai-chat-message--error .ai-chat-bubble{background:var(--bg-primary);border:1px solid rgba(220,53,69,.45);color:var(--text-secondary)}
.ai-chat-actions-row{display:flex;gap:8px;flex-wrap:wrap}
.ai-chat-msg-actions{display:flex;gap:6px;margin-top:4px;font-size:.75rem}
.ai-chat-msg-actions--user{justify-content:flex-end}
.ai-chat-msg-actions--assistant{justify-content:flex-start}
.ai-chat-msg-btn{border:none;background:transparent;color:var(--text-muted);padding:2px 4px;border-radius:6px;display:flex;align-items:center;gap:4px}
.ai-chat-msg-btn:hover{background:rgba(0,0,0,.05);color:var(--text-secondary)}
.ai-chat-msg-btn:focus-visible{outline:2px solid rgba(255,140,66,.35);outline-offset:2px}
.ai-chat-action-btn{border-radius:999px;border:1px solid rgba(255,140,66,.3);background:rgba(255,140,66,.12);color:#9a4f12;padding:6px 12px;font-size:.82rem;font-weight:600}
.ai-chat-file-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.ai-chat-file-item{display:flex;flex-direction:column;gap:6px;border:1px solid var(--border-color);border-radius:10px;padding:8px;background:var(--bg-primary)}
.ai-chat-file-meta{display:flex;justify-content:space-between;gap:8px;align-items:center}
.ai-chat-file-name{font-size:.8rem;color:var(--text-secondary);font-weight:600;word-break:break-word}
.ai-chat-file-download{font-size:.75rem;border:1px solid rgba(255,140,66,.3);border-radius:999px;padding:3px 8px;background:rgba(255,140,66,.1);color:#9a4f12;text-decoration:none}
.ai-chat-file-image{max-width:100%;border-radius:8px;border:1px solid var(--border-color)}
.ai-chat-input{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--border-color);background:var(--bg-primary);align-items:flex-end}
.ai-chat-textarea{flex:1;border-radius:12px;border:1px solid var(--input-border);padding:8px 10px;font-size:.9rem;resize:none;max-height:120px;background:var(--input-bg);color:var(--text-secondary)}
.ai-chat-send{width:40px;height:40px;border-radius:50%;border:none;background:var(--bs-primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 16px rgba(255,140,66,.25)}
.ai-chat-send:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}
.ai-chat-mode-wrap{display:flex;align-items:center}
.ai-chat-mode-select{border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-secondary);font-size:.78rem;padding:2px 8px;max-width:120px}
.ai-chat-model-wrap{display:flex;align-items:center}
.ai-chat-model-select{border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text-secondary);font-size:.78rem;padding:2px 8px;max-width:130px}
.ai-chat-mode-select option,.ai-chat-model-select option{background:var(--bg-primary);color:var(--text-secondary)}
.ai-chat-hint-wrap{display:flex;align-items:center}
.ai-chat-hint-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1px solid var(--border-color);color:var(--text-muted);cursor:help;font-size:.8rem}
.ai-chat-dropdown .dropdown-menu{min-width:220px;max-width:260px;padding:6px;border-radius:12px}
.ai-chat-recent-list{display:flex;flex-direction:column;gap:4px;max-height:220px;overflow-y:auto;padding:0 4px}
.ai-chat-recent-item{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:10px;border:1px solid transparent;cursor:pointer}
.ai-chat-recent-item:hover{background:rgba(255,140,66,.08);border-color:rgba(255,140,66,.2)}
.ai-chat-recent-main{display:flex;flex-direction:column;gap:2px;min-width:0;text-align:left;flex:1}
.ai-chat-recent-main.dropdown-item{white-space:normal;padding:.25rem .5rem;border-radius:8px}
.ai-chat-recent-title{font-size:.85rem;color:var(--text-secondary);font-weight:600;display:block;line-height:1.2;white-space:normal;overflow-wrap:anywhere;word-break:break-word}
.ai-chat-recent-time{font-size:.72rem;color:var(--text-muted)}
.ai-chat-recent-delete{border:none;background:transparent;color:var(--text-muted);border-radius:6px;width:24px;height:24px;display:flex;align-items:center;justify-content:center}
.ai-chat-recent-delete:hover{background:rgba(220,53,69,.15);color:#dc3545}

.ai-chat-panel--minimized{max-height:none}
.ai-chat-panel--minimized .ai-chat-messages,.ai-chat-panel--minimized .ai-chat-input,.ai-chat-panel--minimized .ai-chat-footer{display:none}
.ai-chat-panel--minimized .ai-chat-header{cursor:pointer}
.ai-chat-files-modal{position:absolute;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:flex-end;justify-content:center;padding:10px;z-index:3}
.ai-chat-files-modal-content{width:100%;max-height:85%;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.ai-chat-files-modal-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--border-color);background:var(--bg-primary)}
.ai-chat-files-modal-body{padding:10px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;background:var(--bg-tertiary)}
.ai-chat-files-empty{font-size:.85rem;color:var(--text-muted)}

@media (max-width:768px){
.ai-chat-widget{right:14px;bottom:calc(92px + env(safe-area-inset-bottom))}
.ai-chat-toggle{width:48px;height:48px;font-size:.95rem}
.ai-chat-panel{width:min(90vw,360px);max-height:62vh}
}