@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&display=swap");:root{--brand:#1a56db;--brand-dark:#1245b8;--brand-light:#e8f0fe;--surface:#fff;--surface-2:#f7f8fc;--border:rgba(30,40,80,.1);--border-strong:rgba(30,40,80,.18);--text-1:#111827;--text-2:#4b5563;--text-3:#9ca3af;--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:22px;--font:"DM Sans",sans-serif;--shadow:0 2px 24px rgba(26,86,219,.07),0 1px 4px rgba(0,0,0,.05)}*{box-sizing:border-box;margin:0;padding:0}#smti-agent-wrapper{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:var(--shadow);display:flex;flex-direction:column;font-family:var(--font);margin:20px auto;max-width:560px;width:100%}#smti-agent-header{background:#1e2530;border-radius:var(--radius-xl) var(--radius-xl) 0 0;gap:12px;padding:18px 22px 16px}#smti-agent-header,.smti-header-icon{align-items:center;display:flex;flex-shrink:0}.smti-header-icon{background:var(--brand);border-radius:10px;height:36px;justify-content:center;width:36px}.smti-header-icon svg{display:block}.smti-header-title{color:#fff;font-size:15px;font-weight:600;letter-spacing:-.01em;line-height:1.2}.smti-header-sub{align-items:center;color:hsla(0,0%,100%,.5);display:flex;font-size:12px;gap:5px;margin-top:2px}.smti-status-dot{background:#22c55e;border-radius:50%;display:inline-block;flex-shrink:0;height:6px;width:6px}#smti-chat-window{background:var(--surface-2);display:flex;flex-direction:column;gap:4px;height:140px;overflow-y:auto;padding:14px 16px 10px}@media (min-height:600px){#smti-chat-window{height:190px}}@media (min-height:750px){#smti-chat-window{height:260px}}@media (min-height:900px){#smti-chat-window{height:340px}}#smti-chat-window::-webkit-scrollbar{width:4px}#smti-chat-window::-webkit-scrollbar-track{background:transparent}#smti-chat-window::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}.smti-time-label{color:var(--text-3);font-size:11px;margin:6px 0 4px;text-align:center}.smti-agent-message{animation:msgIn .18s ease;border-radius:var(--radius-lg);font-size:14px;line-height:1.55;max-width:78%;padding:10px 14px}@keyframes msgIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.smti-agent-message.bot{align-self:flex-start;background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text-1);margin-bottom:2px}.smti-agent-message.user{align-self:flex-end;background:var(--brand);border-bottom-right-radius:4px;color:#fff;margin-bottom:2px;margin-left:auto}.smti-agent-message.typing{align-items:center;display:flex;gap:5px;padding:12px 16px}.smti-typing-dot{animation:tdot 1.2s infinite;background:var(--text-3);border-radius:50%;height:6px;width:6px}.smti-typing-dot:nth-child(2){animation-delay:.2s}.smti-typing-dot:nth-child(3){animation-delay:.4s}@keyframes tdot{0%,80%,to{opacity:.4;transform:scale(.7)}40%{opacity:1;transform:scale(1)}}#smti-agent-input-area{background:var(--surface);border-top:1px solid var(--border);display:flex;flex-direction:column}#smti-agent-input-row{align-items:flex-end;display:flex;gap:10px;padding:12px 14px 10px}#smti-agent-input{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--radius-lg);color:var(--text-1);flex:1;font-family:var(--font);font-size:14px;line-height:1.5;max-height:110px;min-height:42px;outline:none;padding:10px 13px;resize:none;transition:border-color .15s,background .15s}#smti-agent-input:focus{background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px rgba(26,86,219,.08)}#smti-agent-input::placeholder{color:var(--text-3)}#smti-agent-send{align-items:center;background:var(--brand);border:none;border-radius:12px;color:#fff;cursor:pointer;display:flex;flex-shrink:0;font-size:18px;height:42px;justify-content:center;line-height:1;transition:background .15s,transform .1s;width:42px}#smti-agent-send:hover{background:var(--brand-dark)}#smti-agent-send:active{transform:scale(.95)}#smti-agent-send:disabled{cursor:not-allowed;opacity:.45}#smti-agent-action-bar{align-items:center;display:flex;justify-content:space-between;padding:0 14px 12px}#smti-agent-reset{align-items:center;background:none;border:none;color:#4ade80;cursor:pointer;display:flex;font-family:var(--font);font-size:12px;gap:5px;padding:3px 0;transition:color .15s}#smti-agent-reset:hover{color:#22c55e}.smti-attach-btn{align-items:center;background:none;border:none;color:var(--brand);cursor:pointer;display:flex;font-family:var(--font);font-size:12px;font-weight:500;gap:5px;padding:3px 0;transition:opacity .15s}.smti-attach-btn:hover{opacity:.7}#smti-agent-upload-section{background:var(--surface-2);border-radius:0 0 var(--radius-xl) var(--radius-xl);border-top:1px solid var(--border);display:none;padding:12px 14px 14px}#smti-agent-upload-section.open{display:block}#smti-agent-upload-label{color:var(--text-2);display:block;font-size:12px;font-weight:500;margin-bottom:8px}#smti-agent-files{background:var(--surface);border:1.5px dashed var(--border-strong);border-radius:var(--radius-md);color:var(--text-2);cursor:pointer;font-family:var(--font);font-size:13px;padding:9px 12px;transition:border-color .15s;width:100%}#smti-agent-files:hover{border-color:var(--brand)}#smti-agent-file-list{display:flex;flex-direction:column;gap:5px;margin-top:8px}.smti-agent-file-item{align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-2);display:flex;font-size:12px;gap:8px;padding:6px 10px}.smti-file-icon{align-items:center;background:var(--brand-light);border-radius:4px;color:var(--brand);display:flex;flex-shrink:0;font-size:10px;font-weight:600;height:20px;justify-content:center;width:20px}.smti-contact-card{background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--radius-md);margin-top:4px;overflow:hidden}.smti-contact-row{align-items:center;border-bottom:1px solid var(--border);display:flex;font-size:13px;justify-content:space-between;padding:8px 12px}.smti-contact-row:last-child{border-bottom:none}.smti-contact-label{color:var(--text-3);font-weight:500;min-width:48px}.smti-contact-value{color:var(--text-1);font-weight:500;text-align:right}