/* ==========================================================================
   Riva — VGraphics website assistant
   ========================================================================== */
.riva-launch{
  position:fixed;right:clamp(14px,3vw,26px);bottom:clamp(14px,3vw,26px);z-index:120;
  display:flex;align-items:center;gap:10px;
  padding:12px 18px 12px 12px;border:0;border-radius:999px;
  background:var(--gold);color:var(--ink);
  font-family:var(--sans);font-size:14.5px;font-weight:700;line-height:1;
  box-shadow:0 14px 34px rgba(0,0,0,.45),0 0 0 0 rgba(232,152,31,.5);
  cursor:pointer;transition:transform .3s var(--ease),background .3s var(--ease),opacity .3s var(--ease);
}
.riva-launch:hover{background:var(--gold-lt);transform:translateY(-2px)}
.riva-launch__ava{
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--wine),var(--ember));color:#fff;
  font-family:var(--serif);font-size:15px;font-weight:700;
}
.riva-launch__dot{
  position:absolute;top:9px;left:31px;width:9px;height:9px;border-radius:50%;
  background:#4ADE80;border:2px solid var(--gold);
}
.riva-launch.hide{opacity:0;pointer-events:none;transform:scale(.85)}

.riva{
  position:fixed;right:clamp(14px,3vw,26px);bottom:clamp(14px,3vw,26px);z-index:130;
  width:min(400px,calc(100vw - 28px));height:min(620px,calc(100dvh - 40px));
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--ink-2);border:1px solid var(--line-2);border-radius:18px;
  box-shadow:0 40px 90px rgba(0,0,0,.62);
  opacity:0;transform:translateY(18px) scale(.97);pointer-events:none;
  transition:opacity .35s var(--ease),transform .35s var(--ease);
}
.riva.open{opacity:1;transform:none;pointer-events:auto}

.riva__top{
  display:flex;align-items:center;gap:12px;padding:14px 14px 14px 16px;
  background:linear-gradient(135deg,var(--wine),#3A100F);border-bottom:1px solid var(--line);
}
.riva__ava{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;
  background:var(--gold);color:var(--ink);font-family:var(--serif);font-size:19px;font-weight:700;
}
.riva__who{flex:1;min-width:0}
.riva__name{margin:0;font-family:var(--serif);font-size:17px;font-weight:600;color:#fff;line-height:1.2}
.riva__role{margin:2px 0 0;font-size:11.5px;letter-spacing:.04em;color:#E9D9C6;display:flex;align-items:center;gap:6px}
.riva__role i{width:7px;height:7px;border-radius:50%;background:#4ADE80;display:inline-block}
.riva__x{
  width:34px;height:34px;flex:0 0 auto;border:0;border-radius:50%;background:rgba(0,0,0,.28);
  color:#F5EFE7;font-size:20px;line-height:1;cursor:pointer;transition:background .25s
}
.riva__x:hover{background:rgba(0,0,0,.5)}

.riva__log{
  flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;
  padding:16px;display:flex;flex-direction:column;gap:12px;
  scrollbar-width:thin;scrollbar-color:rgba(245,239,231,.2) transparent;
}
.riva__log::-webkit-scrollbar{width:8px}
.riva__log::-webkit-scrollbar-thumb{background:rgba(245,239,231,.18);border-radius:8px}

.riva-msg{max-width:86%;padding:11px 14px;border-radius:14px;font-size:14.5px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word;animation:rivaIn .3s var(--ease)}
.riva-msg--bot{align-self:flex-start;background:rgba(245,239,231,.07);border:1px solid var(--line);color:var(--cream);border-bottom-left-radius:5px}
.riva-msg--me{align-self:flex-end;background:var(--gold);color:var(--ink);font-weight:500;border-bottom-right-radius:5px}
@keyframes rivaIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.riva-card{
  align-self:flex-start;max-width:86%;display:flex;align-items:center;gap:11px;
  padding:12px 14px;border-radius:14px;text-decoration:none;
  border:1px solid rgba(232,152,31,.45);background:rgba(232,152,31,.1);
  color:var(--gold);font-size:14px;font-weight:600;transition:background .25s,border-color .25s;
  animation:rivaIn .3s var(--ease);
}
.riva-card:hover{background:rgba(232,152,31,.2);border-color:var(--gold);color:var(--gold-lt)}
.riva-card--wa{border-color:rgba(37,211,102,.5);background:rgba(37,211,102,.12);color:#5BE38C}
.riva-card--wa:hover{background:rgba(37,211,102,.22);border-color:#25D366;color:#8CF0AF}
.riva-card svg{flex:0 0 auto}

/* --- inline lead card: the one moment Riva asks for something ------------- */
.riva-lead{
  align-self:flex-start;width:100%;max-width:100%;
  display:flex;flex-direction:column;gap:8px;
  padding:15px;border-radius:14px;
  border:1px solid rgba(232,152,31,.42);background:rgba(232,152,31,.08);
  animation:rivaIn .3s var(--ease);
}
.riva-lead__t{
  margin:0 0 2px;font-family:var(--serif);font-size:16px;font-weight:600;
  color:var(--gold-lt);line-height:1.3;
}
.riva-lead__f{
  width:100%;padding:10px 12px;border-radius:10px;
  background:rgba(18,16,15,.55);border:1px solid var(--line-2);color:var(--cream);
  font-family:var(--sans);font-size:14.5px;line-height:1.4;
}
.riva-lead__f::placeholder{color:var(--muted-3)}
.riva-lead__f:focus{outline:0;border-color:var(--gold);background:rgba(18,16,15,.75)}
.riva-lead__n{margin:2px 0 0;font-size:11.5px;line-height:1.5;color:var(--muted-2)}
.riva-lead__err{
  margin:0;padding:8px 10px;border-radius:8px;
  background:rgba(192,69,28,.16);border:1px solid rgba(192,69,28,.5);
  color:#F5B79C;font-size:12.5px;line-height:1.45;
}
.riva-lead__go{
  margin-top:4px;padding:12px 16px;border:0;border-radius:10px;
  background:var(--gold);color:var(--ink);
  font-family:var(--sans);font-size:14.5px;font-weight:700;line-height:1;
  cursor:pointer;transition:background .25s var(--ease),opacity .25s;
}
.riva-lead__go:hover{background:var(--gold-lt)}
.riva-lead__go:disabled{opacity:.55;cursor:default}

.riva__typing{align-self:flex-start;display:flex;gap:5px;padding:13px 15px;background:rgba(245,239,231,.07);border:1px solid var(--line);border-radius:14px;border-bottom-left-radius:5px}
.riva__typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:rivaBlink 1.3s ease-in-out infinite}
.riva__typing i:nth-child(2){animation-delay:.18s}
.riva__typing i:nth-child(3){animation-delay:.36s}
@keyframes rivaBlink{0%,60%,100%{opacity:.28;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

.riva__chips{display:flex;flex-wrap:wrap;gap:7px;padding:0 16px 12px}
.riva__chip{
  padding:8px 13px;border-radius:999px;border:1px solid var(--line-2);background:none;
  color:var(--muted);font-family:var(--sans);font-size:12.5px;font-weight:500;cursor:pointer;
  transition:all .25s var(--ease);
}
.riva__chip:hover{border-color:var(--gold);color:var(--gold)}

.riva__bar{display:flex;gap:9px;padding:12px;border-top:1px solid var(--line);background:var(--ink-3)}
.riva__in{
  flex:1;min-width:0;padding:12px 14px;border-radius:12px;resize:none;max-height:110px;
  background:rgba(245,239,231,.05);border:1px solid var(--line-2);color:var(--cream);
  font-family:var(--sans);font-size:15px;line-height:1.45;
}
.riva__in::placeholder{color:var(--muted-3)}
.riva__in:focus{outline:0;border-color:var(--gold);background:rgba(245,239,231,.08)}
.riva__send{
  width:46px;height:46px;flex:0 0 auto;border:0;border-radius:12px;background:var(--gold);color:var(--ink);
  display:grid;place-items:center;cursor:pointer;transition:background .25s,opacity .25s;
}
.riva__send:hover{background:var(--gold-lt)}
.riva__send:disabled{opacity:.45;cursor:default}
.riva__foot{padding:0 12px 10px;text-align:center;font-size:10.5px;letter-spacing:.04em;color:var(--muted-3);background:var(--ink-3)}

@media (max-width:520px){
  /* Pin the panel to every edge instead of giving it a height, and lift the
     bottom edge by however much the on-screen keyboard covers. Anchored to the
     bottom at a full 100dvh, the panel kept that height when the keyboard
     opened, so its top — the header and the messages already sent — was pushed
     off the screen. riva.js measures --riva-kb from visualViewport. */
  .riva{
    top:0;right:0;bottom:var(--riva-kb,0px);left:0;
    width:auto;height:auto;border-radius:0;border:0;
  }
  .riva-launch{padding:11px 16px 11px 11px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  .riva,.riva-msg,.riva-card,.riva-lead{transition:none;animation:none}
  .riva__typing i{animation:none}
}