.ostech-msg-row.user-row{flex-direction:row-reverse}.ostech-msg-row.user-row .ostech-msg-bubble{background:rgba(32,178,75,.12);border-color:rgba(32,178,75,.25);border-radius:14px 4px 14px 14px;color:rgba(255,255,255,.9)}.ostech-msg-bubble h3{font-size:1rem!important;font-weight:600!important;color:#fff!important;margin:16px 0 8px!important}.ostech-msg-bubble h3:first-child{margin-top:0}.ostech-msg-bubble h4{font-size:.9rem;font-weight:600;color:rgba(255,255,255,.9);margin:12px 0 6px}.ostech-msg-bubble p{margin:8px 0}.ostech-msg-bubble p:first-child{margin-top:0}.ostech-msg-bubble p:last-child{margin-bottom:0}.ostech-msg-bubble ul,.ostech-msg-bubble ol{margin:8px 0;padding-left:18px}.ostech-msg-bubble li{margin:6px 0;line-height:1.6}.ostech-msg-bubble li::marker{color:var(--ostech-primary)}.ostech-msg-bubble strong{color:#fff;font-weight:600}.ostech-cursor{display:inline-block;width:2px;height:1em;background:var(--ostech-primary);vertical-align:text-bottom;margin-left:2px;animation:ostechBlink .9s ease-in-out infinite}.ostech-typing-dots{display:flex;align-items:center;gap:5px;padding:4px 2px}.ostech-typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--ostech-primary);opacity:.4;animation:ostechDot 1.2s ease-in-out infinite}.ostech-typing-dots span:nth-child(2){animation-delay:.2s}.ostech-typing-dots span:nth-child(3){animation-delay:.4s}.ostech-popup-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:99998;display:none;align-items:center;justify-content:center;padding:20px;animation:ostechFadeIn .25s ease}.ostech-popup-overlay.active{display:flex}.ostech-popup-chat{width:520px;max-height:85vh;animation:ostechSlideUp .35s cubic-bezier(.34,1.56,.64,1)}.ostech-popup-chat .ostech-chat-widget{max-width:100%;max-height:85vh}.ostech-popup-chat .ostech-chat-body{min-height:280px;max-height:55vh}.ostech-popup-close{display:none}.ostech-float-btn-canvas-wrap{width:62px;height:62px;position:relative;transition:transform .3s ease}.ostech-float-btn-canvas-wrap canvas{width:100%!important;height:100%!important;border-radius:50%}.ostech-float-btn:hover .ostech-float-btn-canvas-wrap{transform:scale(1.08)}.ostech-float-btn-label{font-size:.68rem;font-weight:600;color:rgba(255,255,255,.45);letter-spacing:.08em;text-transform:uppercase;font-family:var(--ostech-font);transition:color .2s ease;user-select:none}.ostech-float-btn:hover .ostech-float-btn-label{color:rgba(255,255,255,.75)}.ostech-sources-section{margin-top:16px;padding-top:12px;border-top:1px solid var(--ostech-border)}.ostech-sources-title{font-size:.72rem;font-weight:700;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px;display:flex;align-items:center;gap:6px}.ostech-source-item{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;margin:4px 4px 0 0;font-size:.77rem;color:var(--ostech-primary);background:rgba(32,178,75,.08);border:1px solid rgba(32,178,75,.2);border-radius:8px;text-decoration:none;transition:all .2s}.ostech-source-item:hover{background:rgba(32,178,75,.18);border-color:rgba(32,178,75,.4)}.ostech-chat-error{padding:10px 14px;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.25);border-radius:10px;color:rgba(255,150,150,.9);font-size:.83rem;line-height:1.5}@media (max-width:600px){.ostech-popup-overlay{padding:0 0 90px;align-items:flex-end;justify-content:center}.ostech-popup-chat{width:100%;border-bottom-left-radius:0;border-bottom-right-radius:0}}