:root{--lina-ink:#141414;--lina-gold:#9a7a35;--lina-gold-l:#c9a961}
/* ---------------- Lina ---------------- */
.lina-fab{
  position:fixed;right:20px;bottom:20px;z-index:70;display:inline-flex;align-items:center;gap:9px;
  background:var(--lina-ink);color:var(--lina-gold-l);border:2px solid var(--lina-gold-l);border-radius:999px;padding:11px 18px;
  font:inherit;font-weight:600;font-size:15px;cursor:pointer;
  box-shadow:0 12px 30px rgba(0,0,0,.25);
  transition:transform .25s ease,background-color .2s ease,color .2s ease,border-color .2s ease,opacity .25s ease,visibility .25s}
.lina-fab:hover{transform:translateY(-2px);background:var(--lina-gold-l);color:var(--lina-ink);border-color:var(--lina-gold-l)}
.lina-fab[data-hidden="1"]{opacity:0;visibility:hidden;transform:translateY(12px);pointer-events:none}
.lina-svg{width:30px;height:19px;flex:0 0 auto}

.lina{
  position:fixed;right:20px;bottom:20px;z-index:80;width:min(392px,calc(100vw - 32px));
  max-height:min(640px,calc(100svh - 40px));display:flex;flex-direction:column;
  background:#fff;border-radius:18px;border:1px solid rgba(20,20,20,.12);box-shadow:0 24px 64px rgba(20,26,51,.20);
  opacity:0;visibility:hidden;transform:translateY(16px) scale(.98);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s}
.lina[data-open="1"]{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.lina-top{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--lina-ink);color:#fff;border-radius:17px 17px 0 0}
.lina-brand{display:flex;align-items:center;gap:11px;min-width:0}
.lina-av{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
  background:rgba(255,255,255,.14);color:var(--lina-gold-l);flex:0 0 auto}
.lina-top h2{font-family:'Poppins',Arial,sans-serif;font-style:normal;font-size:15px;margin:0;line-height:1.2;font-weight:600}
.lina-top .sub{font-size:12.5px;opacity:.75}
.lina-acts{margin-left:auto;display:flex;gap:4px}
.iconbtn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:0;color:#fff;opacity:.8;cursor:pointer;border-radius:9px}
.iconbtn:hover{opacity:1;background:rgba(255,255,255,.14)}
.iconbtn svg{width:18px;height:18px}
.lina-note{margin:0;padding:9px 16px;font-size:11.8px;line-height:1.45;color:#55584e;
  background:#f7f5f0;border-bottom:1px solid rgba(20,20,20,.12)}
.lina-log{flex:1 1 auto;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:190px}
.bub{max-width:86%;padding:11px 14px;border-radius:14px;font-size:15px;line-height:1.5;white-space:pre-wrap;word-wrap:break-word}
.bub.ai{background:#f7f5f0;color:var(--ink);border-bottom-left-radius:5px;align-self:flex-start}
.bub.me{background:var(--lina-ink);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.bub.typing{display:flex;gap:4px;align-items:center;padding:14px}
.bub.typing i{width:6px;height:6px;border-radius:50%;background:#55584e;opacity:.45;animation:tp 1.2s infinite}
.bub.typing i:nth-child(2){animation-delay:.15s}
.bub.typing i:nth-child(3){animation-delay:.3s}
@keyframes tp{0%,60%,100%{transform:translateY(0);opacity:.35}30%{transform:translateY(-4px);opacity:.9}}
.lina-form{display:flex;gap:8px;padding:12px 14px;border-top:1px solid rgba(20,20,20,.12)}
.lina-form input{flex:1 1 auto;min-width:0;font:inherit;font-size:15px;padding:11px 14px;
  border:1px solid rgba(20,20,20,.12);border-radius:999px;background:#f7f5f0;color:var(--ink)}
.lina-form input:focus{outline:none;border-color:var(--lina-ink);background:#fff}
.lina-send{width:42px;height:42px;flex:0 0 auto;border:0;border-radius:50%;background:var(--lina-gold-l);
  color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.lina-send:hover{background:var(--yellow-dark)}
.lina-send svg{width:19px;height:19px}
.lina-foot{margin:0;padding:0 16px 13px;font-size:11.5px;color:#55584e;text-align:center}
.lina-foot a{color:var(--lina-ink)}