#smti-agent-wrapper{background:#fff;border:1px solid #d7dce1;border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.08);font-family:Arial,sans-serif;margin:20px auto;max-width:600px;overflow:hidden;width:100%}#smti-agent-header{background:#23272b;color:#fff;font-size:24px;font-weight:600;padding:20px}#smti-chat-window{background:#f5f7fa;display:flex;flex-direction:column;gap:12px;height:auto!important;max-height:420px!important;min-height:0!important;overflow-y:auto;padding:20px}#smti-chat-window:empty{display:none}.smti-agent-message{border-radius:14px;font-size:15px;line-height:1.45;margin-bottom:12px;max-width:75%;padding:12px 16px}.smti-agent-message.bot{background:#fff;border:1px solid #d8dde3;color:#23272b}.smti-agent-message.user{background:#0073aa;color:#fff;margin-left:auto}#smti-agent-send{padding:0 28px}#smti-agent-reset,#smti-agent-send{border:none;border-radius:10px;cursor:pointer;font-size:16px;font-weight:600}#smti-agent-reset,#smti-agent-send{height:56px;width:100%}#smti-agent-send{background:#0073aa;color:#fff}#smti-agent-send:hover{background:#005f8d}#smti-agent-reset{background:#d7dce1;color:#23272b}#smti-agent-reset:hover{background:#c3c9cf}#smti-agent-upload-row{display:flex;flex-direction:column;gap:8px}#smti-agent-upload-label{color:#23272b;font-size:14px;font-weight:600}#smti-agent-files{background:#fff;border:1px solid #cfd6dd;border-radius:10px;font-size:14px;padding:10px}#smti-agent-file-list{display:flex;flex-direction:column;gap:6px}.smti-agent-file-item{background:#eef3f7;border:1px solid #d7dce1;border-radius:8px;color:#23272b;font-size:13px;padding:8px 10px}#smti-agent-upload-section{background:#fff;padding:0 20px 20px}#smti-agent-upload-divider{background:#d7dce1;height:1px;margin-bottom:18px}#smti-agent-input-area{align-items:stretch;background:#fff;border-top:1px solid #d7dce1;display:flex;gap:15px;padding:20px}#smti-agent-input{border:1px solid #cfd6dd;border-radius:10px;box-sizing:border-box;font-size:15px;min-height:60px;padding:12px;resize:vertical;width:calc(66.67% - 10.0005px)}#smti-agent-buttons{display:flex;flex-direction:column;gap:10px;min-width:0;width:calc(33.33% - 4.9995px)}