.techroll-chat{--tr-gold:#e8b63d;--tr-gold2:#ffcf58;--tr-bg:#080b12;--tr-panel:#10151f;--tr-line:rgba(232,182,61,.28);--tr-text:#f7f7f7;--tr-muted:#9ea6b5;background:linear-gradient(180deg,#111722,#080b12);border:1px solid var(--tr-line);border-radius:22px;overflow:hidden;color:var(--tr-text);box-shadow:0 24px 70px rgba(0,0,0,.35);width:100%;max-width:520px;min-height:560px;display:flex;flex-direction:column;font-family:Inter,system-ui,sans-serif}
.tr-chat-head{display:flex;align-items:center;gap:11px;padding:15px 17px;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.02)}
.tr-avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--tr-gold2),#8f6818);color:#111;font-weight:900}.tr-chat-head strong{display:block;font-size:14px}.tr-chat-head span{display:block;color:var(--tr-muted);font-size:11px;margin-top:2px}.tr-chat-head span i{width:7px;height:7px;background:#37d77a;border-radius:50%;display:inline-block;margin-right:4px}.tr-chat-more{margin-left:auto;color:#fff;border:0;background:transparent;font-size:17px}.tr-messages{flex:1;display:flex;flex-direction:column;gap:10px;padding:18px;overflow:auto;min-height:350px}.tr-msg{max-width:83%;padding:11px 13px;border-radius:16px;line-height:1.42;font-size:14px;white-space:pre-wrap}.tr-msg.bot{align-self:flex-start;background:#202733;border-bottom-left-radius:5px}.tr-msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--tr-gold2),var(--tr-gold));color:#141414;border-bottom-right-radius:5px;font-weight:600}.tr-msg.typing{color:#c9ced8;letter-spacing:3px}.tr-msg.success{border:1px solid rgba(55,215,122,.4);background:rgba(55,215,122,.1)}
.tr-start-wrap{padding:0 18px 14px}.tr-start{width:100%;border:0;border-radius:13px;padding:13px 16px;background:linear-gradient(135deg,var(--tr-gold2),var(--tr-gold));color:#151515;font-weight:800;font-size:15px;cursor:pointer}.tr-composer{display:flex;gap:8px;padding:12px;border-top:1px solid rgba(255,255,255,.08);background:#090d15}.tr-field-wrap{flex:1}.tr-field,.tr-field-wrap select,.tr-field-wrap textarea{width:100%;min-height:44px;background:#151b27;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:11px 15px;outline:none;font:inherit}.tr-field-wrap textarea{border-radius:14px;resize:vertical}.tr-field:focus,.tr-field-wrap select:focus,.tr-field-wrap textarea:focus{border-color:var(--tr-gold)}.tr-send{width:44px;height:44px;border-radius:50%;border:0;background:linear-gradient(135deg,var(--tr-gold2),var(--tr-gold));font-size:18px;font-weight:900;cursor:pointer}.tr-trust{padding:0 16px 13px;text-align:center;color:#7f8794;font-size:10.5px}.tr-honeypot{position:absolute!important;left:-99999px!important}.tr-check{display:flex;gap:9px;align-items:flex-start;color:#d8dce3;font-size:13px;padding:9px}.tr-check input{margin-top:3px}.tr-error{color:#ff8d8d;font-size:12px;padding:6px 3px 0}.techroll-chat-error{padding:15px;border:1px solid #e8b63d;border-radius:10px}
@media(max-width:640px){.techroll-chat{max-width:none;min-height:590px;border-radius:18px}.tr-messages{padding:14px;min-height:370px}.tr-msg{font-size:13.5px;max-width:88%}}

.tr-avatar.has-image{overflow:hidden;background:#111}.tr-avatar.has-image img{width:100%;height:100%;object-fit:cover;display:block}

/* V0.3.4 · Chat realmente conversacional + multimedia */
.tr-start-wrap[hidden],.tr-composer[hidden]{display:none!important}
.tr-media-msg{padding:7px;background:#161d28;overflow:hidden;max-width:84%}
.tr-media-msg img{display:block;max-width:100%;width:auto;height:auto;border-radius:12px}
.tr-image-msg img{width:100%;max-height:330px;object-fit:cover}
.tr-media-caption{display:block;padding:8px 5px 4px;color:#e8ebf0;font-size:12.5px;line-height:1.4}
.tr-sticker-msg{background:transparent!important;padding:2px;box-shadow:none;max-width:46%;border-radius:0}
.tr-sticker-msg img{max-height:180px;object-fit:contain;border-radius:0;filter:drop-shadow(0 10px 20px rgba(0,0,0,.28))}
@media(max-width:640px){.tr-image-msg{max-width:90%}.tr-sticker-msg{max-width:55%}.tr-image-msg img{max-height:280px}}