:root{
  --ia-bg0:#07070a;
  --ia-bg1:#0b0b10;
  --ia-bg2:#0f1016;
  --ia-panel:#0c0d12;
  --ia-panel2:#10121a;

  --ia-line:rgba(255,255,255,0.07);
  --ia-line2:rgba(255,255,255,0.10);

  --ia-text:#e9e9f2;
  --ia-muted:#a7a7bc;

  --ia-purple:#7c3aed;   /* purple buttons */
  --ia-purple2:#a78bfa;  /* hover glow */
  --ia-green:#22c55e;

  --ia-radius:16px;
  --ia-radius2:12px;
  --ia-shadow: 0 18px 60px rgba(0,0,0,0.55);
}

.ia-msg-shell{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ia-text);

  /* Reddit-dark base + soft Discord-ish gradients */
  background:
    radial-gradient(900px 480px at 20% 0%, rgba(124,58,237,0.10), transparent 60%),
    radial-gradient(900px 480px at 90% 10%, rgba(167,139,250,0.08), transparent 60%),
    linear-gradient(180deg, var(--ia-bg1), var(--ia-bg0));

  border: 1px solid var(--ia-line);
  border-radius: var(--ia-radius);
  overflow: hidden;
  box-shadow: var(--ia-shadow);
}

.ia-msg-shell *{ box-sizing:border-box; }

.ia-msg-title{
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.3px;
  text-transform: none;
  color: var(--ia-text);
}

/* Buttons: Discord-like pill + purple gradient */
.ia-msg-btn{
  background: linear-gradient(180deg, rgba(124,58,237,0.95), rgba(99,102,241,0.85));
  color: #fff;
  border: 1px solid rgba(167,139,250,0.35);
  border-radius: 12px;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(0,0,0,0.35);
  transition: transform .08s ease, filter .12s ease, border-color .12s ease;
}
.ia-msg-btn:hover{
  filter: brightness(1.06);
  border-color: rgba(167,139,250,0.60);
}
.ia-msg-btn:active{
  transform: translateY(1px);
}
.ia-msg-btn[disabled]{
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
}

.ia-msg-empty{
  padding: 14px;
  color: var(--ia-muted);
  font-size: 13px;
}