.im-hero{padding:1.4rem 0 2rem}
.chat-shell{display:grid;grid-template-columns:240px 1fr;background:#fff;border-radius:14px;overflow:hidden;min-height:420px}
@media(max-width:860px){.chat-shell{grid-template-columns:1fr}}
.conv-list{background:#f2f6f4;border-right:1px solid #dce6e0;padding:.7rem}
.conv-item{padding:.55rem .6rem;border-radius:8px;margin-bottom:.35rem;font-size:.78rem}
.conv-item.active{background:#d8f0e6}
.conv-item b{display:block;color:#0f1c24}
.conv-item span{color:#5a6e7a;font-size:.7rem}
.thread{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;gap:.7rem}
.thread h1{font-size:clamp(1.15rem,2.8vw,1.5rem);color:#0f1c24;line-height:1.35}
.thread h1 em{color:#1a8a6a;font-style:normal}
.bubble{max-width:92%;padding:.7rem .85rem;border-radius:12px;font-size:.82rem}
.bubble.in{background:#eef2f5;align-self:flex-start;border-bottom-left-radius:4px}
.bubble.out{background:#c8f0dc;align-self:flex-end;border-bottom-right-radius:4px}
.bubble .src{color:#0f1c24;margin-bottom:.2rem}
.bubble .tr{color:#4a6a5a;font-size:.74rem;border-top:1px dashed #a8d0bc;padding-top:.3rem;margin-top:.3rem}
.thread-media{align-self:flex-end;max-width:280px;border-radius:10px;overflow:hidden}
.thread-media img{width:100%}
.trust-pills{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.2rem}
.trust-pills span{background:#eef2f5;border-radius:14px;padding:.35rem .7rem;font-size:.72rem;color:#3a5460}
.trust-pills strong{color:#1a8a6a}
.compose{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.4rem}

.pin-row{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}
@media(max-width:768px){.pin-row{grid-template-columns:1fr}}
.pin{background:#fff;border-radius:12px;padding:.9rem 1rem}
.pin .who{font-size:.68rem;color:#1a8a6a;font-weight:800;margin-bottom:.35rem}
.pin h3{font-size:.9rem;margin-bottom:.3rem}
.pin p{font-size:.78rem;color:#5a6e7a}

.receipt-path{display:flex;flex-direction:column;gap:0;max-width:720px}
.receipt{display:grid;grid-template-columns:72px 1fr;gap:.8rem;padding:.85rem 0;border-bottom:1px dashed #d0d8de;align-items:start}
.receipt .tick{font-size:.68rem;font-weight:800;color:#1a8a6a;background:#d8f0e6;border-radius:12px;text-align:center;padding:.35rem .3rem}
.receipt h3{font-size:.88rem;margin-bottom:.2rem}
.receipt p{font-size:.78rem;color:#5a6e7a}

.dual-threads{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
@media(max-width:768px){.dual-threads{grid-template-columns:1fr}}
.mini-thread{background:#fff;border-radius:12px;padding:.8rem}
.mini-thread .mh{font-size:.72rem;font-weight:800;color:#1a8a6a;margin-bottom:.55rem}
.mini-thread h3{font-size:.86rem;margin-bottom:.4rem}
.mini-thread li{font-size:.78rem;color:#5a6e7a;padding:.22rem 0}
.shot{margin-top:1.2rem;max-width:640px;border-radius:12px;overflow:hidden;background:#fff;padding:6px}

.im-cta{background:#0f1c24;padding:2.1rem 0;text-align:center}
.im-cta h2{color:#fff;font-size:clamp(1.05rem,3vw,1.35rem);margin-bottom:.35rem}
.im-cta p{color:#7a9aaa;font-size:.84rem;margin-bottom:1rem}