/* ============================================================
   LVRN AI Chat Widget — bottom-right beam + bounce
   Drop-in for every artist EPK
   Brand colors are overridable via CSS vars on :root or .lvrn-chat-*
   --lvrn-accent       (primary accent — used for gradients, hover)
   --lvrn-accent-2     (secondary — used for second beam halo)
   --lvrn-bg           (panel background base)
   ============================================================ */
:root{
  --lvrn-accent: #ff9e5a;
  --lvrn-accent-deep: #c9743e;
  --lvrn-accent-2: #78b4ff;
  --lvrn-bg: #0a0a0a;
  --lvrn-fg: #f4f1ea;
}

.lvrn-chat-launcher{
  position:fixed;
  bottom:24px;
  right:24px;
  z-index:9999;
  width:68px;
  height:68px;
  border-radius:50%;
  border:none;
  cursor:pointer;
  background:linear-gradient(135deg,#1a1a1a 0%,#0a0a0a 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 12px 36px rgba(0,0,0,0.5),0 0 0 2px rgba(255,255,255,0.06);
  animation:lvrn-bounce 3.6s ease-in-out infinite;
  transition:transform 0.25s ease, box-shadow 0.25s ease;
  -webkit-tap-highlight-color:transparent;
}
.lvrn-chat-launcher::before{
  /* beam pulse */
  content:'';
  position:absolute;
  inset:-6px;
  border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb, var(--lvrn-accent) 55%, transparent) 0%,color-mix(in srgb, var(--lvrn-accent) 0%, transparent) 70%);
  animation:lvrn-beam 2.4s ease-out infinite;
  z-index:-1;
}
.lvrn-chat-launcher::after{
  /* secondary beam offset */
  content:'';
  position:absolute;
  inset:-10px;
  border-radius:50%;
  background:radial-gradient(circle,color-mix(in srgb, var(--lvrn-accent-2) 35%, transparent) 0%,color-mix(in srgb, var(--lvrn-accent-2) 0%, transparent) 70%);
  animation:lvrn-beam 2.4s ease-out infinite 1.2s;
  z-index:-1;
}
.lvrn-chat-launcher:hover{
  transform:scale(1.08);
  box-shadow:0 18px 48px rgba(0,0,0,0.6),0 0 0 2px color-mix(in srgb, var(--lvrn-accent) 50%, transparent);
}
.lvrn-chat-launcher img{
  width:38px;
  height:38px;
  filter:brightness(0) invert(1);
  pointer-events:none;
}
.lvrn-chat-launcher.lvrn-open{
  animation:none;
  transform:scale(0.9);
  opacity:0.85;
}
.lvrn-chat-launcher .lvrn-tip{
  position:absolute;
  right:78px;
  top:50%;
  transform:translateY(-50%);
  background:#0a0a0a;
  color:#fff;
  font-family:'Inter',system-ui,sans-serif;
  font-size:12px;
  letter-spacing:0.04em;
  padding:8px 14px;
  border-radius:999px;
  white-space:nowrap;
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:0 8px 24px rgba(0,0,0,0.4);
  pointer-events:none;
  opacity:0;
  animation:lvrn-tip 7s ease-in-out infinite;
}
.lvrn-chat-launcher.lvrn-open .lvrn-tip{display:none}

@keyframes lvrn-bounce{
  0%,100%{transform:translateY(0)}
  10%{transform:translateY(-8px)}
  20%{transform:translateY(0)}
  30%{transform:translateY(-4px)}
  40%{transform:translateY(0)}
}
@keyframes lvrn-beam{
  0%{transform:scale(0.85);opacity:0.9}
  100%{transform:scale(1.6);opacity:0}
}
@keyframes lvrn-tip{
  0%,70%,100%{opacity:0;transform:translateY(-50%) translateX(6px)}
  15%,55%{opacity:1;transform:translateY(-50%) translateX(0)}
}

/* ===== Panel ===== */
.lvrn-chat-panel{
  position:fixed;
  bottom:104px;
  right:24px;
  z-index:9998;
  width:380px;
  max-width:calc(100vw - 32px);
  height:560px;
  max-height:calc(100vh - 140px);
  background:linear-gradient(180deg,#0a0a0a 0%,#141414 100%);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:20px;
  box-shadow:0 32px 80px rgba(0,0,0,0.7);
  display:flex;
  flex-direction:column;
  overflow:hidden;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:#f4f1ea;
  transform:translateY(20px) scale(0.96);
  opacity:0;
  pointer-events:none;
  transition:transform 0.32s cubic-bezier(0.2,0.9,0.3,1.15), opacity 0.25s ease;
  backdrop-filter:blur(20px);
}
.lvrn-chat-panel.lvrn-open{
  transform:translateY(0) scale(1);
  opacity:1;
  pointer-events:auto;
}
.lvrn-chat-head{
  padding:18px 20px 14px;
  display:flex;
  align-items:center;
  gap:12px;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.lvrn-chat-head .avatar{
  width:36px;
  height:36px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--lvrn-accent) 0%,var(--lvrn-accent-deep) 100%);
  display:flex;
  align-items:center;
  justify-content:center;
}
.lvrn-chat-head .avatar img{width:20px;height:20px;filter:brightness(0) invert(1)}
.lvrn-chat-head .meta{flex:1;min-width:0}
.lvrn-chat-head .name{
  font-weight:600;
  font-size:14px;
  letter-spacing:0.02em;
  color:#fff;
}
.lvrn-chat-head .status{
  font-size:11px;
  color:#9ea0a4;
  margin-top:2px;
  display:flex;
  align-items:center;
  gap:6px;
}
.lvrn-chat-head .status::before{
  content:'';
  width:6px;
  height:6px;
  border-radius:50%;
  background:#4ade80;
  box-shadow:0 0 8px #4ade80;
}
.lvrn-chat-head .close{
  background:none;
  border:none;
  color:#9ea0a4;
  font-size:22px;
  cursor:pointer;
  padding:4px 8px;
  border-radius:6px;
  transition:background 0.2s;
}
.lvrn-chat-head .close:hover{background:rgba(255,255,255,0.08);color:#fff}

.lvrn-chat-body{
  flex:1;
  overflow-y:auto;
  padding:18px 18px 8px;
  display:flex;
  flex-direction:column;
  gap:10px;
  scrollbar-width:thin;
  scrollbar-color:rgba(255,255,255,0.15) transparent;
}
.lvrn-chat-body::-webkit-scrollbar{width:5px}
.lvrn-chat-body::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.15);border-radius:3px}

.lvrn-msg{
  max-width:82%;
  padding:10px 14px;
  border-radius:14px;
  font-size:13.5px;
  line-height:1.5;
  word-wrap:break-word;
  animation:lvrn-msg-in 0.3s ease-out;
}
@keyframes lvrn-msg-in{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:translateY(0)}
}
.lvrn-msg.ai{
  align-self:flex-start;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.06);
  border-bottom-left-radius:4px;
}
.lvrn-msg.user{
  align-self:flex-end;
  background:linear-gradient(135deg,var(--lvrn-accent) 0%,var(--lvrn-accent-deep) 100%);
  color:#0a0a0a;
  border-bottom-right-radius:4px;
  font-weight:500;
}
.lvrn-msg.ai a{color:var(--lvrn-accent);text-decoration:underline}
.lvrn-msg.typing{display:flex;gap:4px;padding:14px 16px}
.lvrn-msg.typing span{
  width:6px;height:6px;border-radius:50%;background:#9ea0a4;
  animation:lvrn-typing 1.2s ease-in-out infinite;
}
.lvrn-msg.typing span:nth-child(2){animation-delay:0.15s}
.lvrn-msg.typing span:nth-child(3){animation-delay:0.3s}

/* Action card (CTA buttons rendered after a message) */
.lvrn-action{
  align-self:flex-start;
  display:flex;
  flex-direction:column;
  gap:6px;
  margin-top:-2px;
  margin-bottom:4px;
  max-width:82%;
  animation:lvrn-msg-in 0.32s ease-out;
}
.lvrn-action a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:11px 14px;
  background:linear-gradient(135deg,color-mix(in srgb, var(--lvrn-accent) 18%, transparent) 0%,color-mix(in srgb, var(--lvrn-accent-deep) 18%, transparent) 100%);
  border:1px solid color-mix(in srgb, var(--lvrn-accent) 45%, transparent);
  border-radius:12px;
  color:#fff;
  text-decoration:none;
  font-size:13px;
  font-weight:500;
  letter-spacing:0.02em;
  transition:all 0.2s;
}
.lvrn-action a:hover{
  background:linear-gradient(135deg,color-mix(in srgb, var(--lvrn-accent) 32%, transparent) 0%,color-mix(in srgb, var(--lvrn-accent-deep) 32%, transparent) 100%);
  border-color:color-mix(in srgb, var(--lvrn-accent) 80%, transparent);
  transform:translateX(2px);
}
.lvrn-action a .arr{font-size:16px;opacity:0.7}
.lvrn-action a:hover .arr{opacity:1;transform:translateX(2px)}
@keyframes lvrn-typing{
  0%,60%,100%{transform:translateY(0);opacity:0.4}
  30%{transform:translateY(-4px);opacity:1}
}

.lvrn-quick{
  padding:8px 18px 12px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,0.04);
}
.lvrn-quick button{
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
  color:#f4f1ea;
  font-family:inherit;
  font-size:11.5px;
  padding:7px 12px;
  border-radius:999px;
  cursor:pointer;
  transition:all 0.2s;
  letter-spacing:0.01em;
}
.lvrn-quick button:hover{
  background:color-mix(in srgb, var(--lvrn-accent) 15%, transparent);
  border-color:color-mix(in srgb, var(--lvrn-accent) 50%, transparent);
  color:#fff;
}

.lvrn-chat-input{
  padding:12px 14px 14px;
  border-top:1px solid rgba(255,255,255,0.06);
  display:flex;
  gap:8px;
  align-items:flex-end;
}
.lvrn-chat-input textarea{
  flex:1;
  background:rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.1);
  color:#f4f1ea;
  font-family:inherit;
  font-size:13.5px;
  padding:10px 14px;
  border-radius:14px;
  resize:none;
  outline:none;
  min-height:42px;
  max-height:110px;
  line-height:1.4;
  transition:border-color 0.2s;
}
.lvrn-chat-input textarea:focus{border-color:color-mix(in srgb, var(--lvrn-accent) 50%, transparent)}
.lvrn-chat-input textarea::placeholder{color:#666}
.lvrn-chat-input button{
  background:linear-gradient(135deg,var(--lvrn-accent) 0%,var(--lvrn-accent-deep) 100%);
  border:none;
  color:#0a0a0a;
  width:42px;
  height:42px;
  border-radius:12px;
  cursor:pointer;
  font-size:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform 0.2s, opacity 0.2s;
}
.lvrn-chat-input button:hover{transform:scale(1.06)}
.lvrn-chat-input button:disabled{opacity:0.4;cursor:not-allowed;transform:none}

.lvrn-chat-foot{
  padding:6px 18px 10px;
  font-size:10px;
  color:#666;
  text-align:center;
  letter-spacing:0.08em;
  text-transform:uppercase;
}
.lvrn-chat-foot strong{color:#9ea0a4}

@media (max-width:520px){
  .lvrn-chat-panel{
    bottom:90px;
    right:12px;
    left:12px;
    width:auto;
    height:calc(100vh - 120px);
  }
  .lvrn-chat-launcher{bottom:16px;right:16px;width:60px;height:60px}
  .lvrn-chat-launcher img{width:32px;height:32px}
  .lvrn-chat-launcher .lvrn-tip{display:none}
}

@media print{
  .lvrn-chat-launcher,.lvrn-chat-panel{display:none !important}
}