/* ---- v5: helper chat ---- */
.helper-fab { position: fixed; right: 1rem; bottom: 1rem; z-index: 90; border: 0; border-radius: 999px; background: #0f5c4c; color: #fff; font-weight: 700; padding: .7rem 1rem .7rem .85rem; box-shadow: 0 8px 24px rgba(15,92,76,.35); cursor: pointer; display: inline-flex; align-items: center; gap: .45rem; font-size: .9rem; }
.helper-fab svg { width: 1.1rem; height: 1.1rem; }
.helper-panel { position: fixed; right: 1rem; bottom: 4.2rem; z-index: 91; width: min(380px, calc(100vw - 2rem)); height: min(560px, calc(100vh - 6rem)); background: #fff; border: 1px solid #dfe6e3; border-radius: 16px; box-shadow: 0 16px 48px rgba(0,0,0,.22); display: flex; flex-direction: column; overflow: hidden; }
.helper-head { display: flex; align-items: center; justify-content: space-between; padding: .7rem .9rem; background: #0f5c4c; color: #fff; font-weight: 700; }
.helper-head button { background: transparent; border: 0; color: #fff; font-size: 1.2rem; cursor: pointer; }
.helper-log { flex: 1; overflow-y: auto; padding: .8rem; display: flex; flex-direction: column; gap: .55rem; background: #f6f8f7; }
.helper-msg { max-width: 88%; padding: .55rem .75rem; border-radius: 12px; font-size: .88rem; line-height: 1.45; white-space: pre-wrap; word-wrap: break-word; }
.helper-msg.me { align-self: flex-end; background: #0f5c4c; color: #fff; border-bottom-right-radius: 4px; }
.helper-msg.bot { align-self: flex-start; background: #fff; border: 1px solid #dfe6e3; border-bottom-left-radius: 4px; }
.helper-msg.bot a { color: #0f5c4c; font-weight: 600; }
.helper-msg.bot h4 { margin: .2rem 0; font-size: .9rem; }
.helper-suggest { display: flex; flex-wrap: wrap; gap: .35rem; padding: 0 .8rem .5rem; background: #f6f8f7; }
.helper-suggest button { border: 1px solid #dfe6e3; background: #fff; border-radius: 999px; padding: .3rem .6rem; font-size: .78rem; cursor: pointer; }
.helper-form { display: flex; gap: .4rem; padding: .6rem; border-top: 1px solid #dfe6e3; }
.helper-form input { flex: 1; border: 1px solid #dfe6e3; border-radius: 10px; padding: .55rem .7rem; font-size: .9rem; }
.helper-form button { border: 0; background: #0f5c4c; color: #fff; border-radius: 10px; padding: 0 .9rem; font-weight: 700; cursor: pointer; }
.helper-foot { font-size: .72rem; color: #5f6d69; padding: 0 .8rem .5rem; }
.helper-foot a { color: #0f5c4c; }
@media (max-width: 600px) { .helper-fab span { display: none; } .helper-fab { padding: .75rem; } }