:root{
  --bg:#050505;
  --bg2:#0b0b0b;
  --fg:#f5f1e6;
  --muted:#cdbf8a;

  --gold1:#f7e7a7;
  --gold2:#d7b85a;
  --gold3:#b4872b;

  --card: rgba(255,255,255,.045);
  --stroke: rgba(215,184,90,.22);
  --stroke2: rgba(255,231,167,.18);

  --shadow: 0 22px 70px rgba(0,0,0,.65);
  --r: 22px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--fg);
  background:
    radial-gradient(900px 520px at 20% 10%, rgba(215,184,90,.10), transparent 60%),
    radial-gradient(900px 520px at 85% 15%, rgba(247,231,167,.06), transparent 60%),
    radial-gradient(900px 700px at 45% 110%, rgba(180,135,43,.09), transparent 55%),
    linear-gradient(180deg, var(--bg2), var(--bg));
  overflow-x:hidden;
}

/* background layer */
.bg{
  position:fixed; inset:0;
  pointer-events:none;
  background:
    radial-gradient(700px 350px at 50% 0%, rgba(255,255,255,.05), transparent 70%),
    linear-gradient(to bottom, rgba(255,255,255,.04), transparent 26%),
    repeating-linear-gradient(
      90deg,
      rgba(215,184,90,.06) 0px,
      rgba(215,184,90,.06) 1px,
      transparent 1px,
      transparent 18px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,.02) 0px,
      rgba(255,255,255,.02) 1px,
      transparent 1px,
      transparent 18px
    );
  mix-blend-mode: screen;
  opacity:.28;
  filter: blur(.2px);
}

/* layout */
.wrap{
  max-width: 980px;
  margin: 0 auto;
  padding: 30px 16px 46px;
}

.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}

/* brand */
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  user-select:none;
}

.dot{
  width:14px;height:14px;border-radius:999px;
  background: conic-gradient(from 180deg, var(--gold1), var(--gold2), var(--gold3), var(--gold1));
  box-shadow:
    0 0 0 7px rgba(215,184,90,.10),
    0 0 22px rgba(215,184,90,.18);
}

.t h1{
  font-size: 18px;
  line-height:1.2;
  margin:0;
  letter-spacing:.25px;
  background: linear-gradient(90deg, #fff4c8, var(--gold2), #fff1b7);
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
  text-shadow: 0 12px 40px rgba(215,184,90,.12);
}
.t p{
  margin:3px 0 0;
  color:var(--muted);
  font-size: 13px;
}

/* status pill */
.pill{
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.18));
  font-size: 12px;
  color: var(--muted);
  box-shadow: 0 14px 40px rgba(0,0,0,.45);
}

/* card */
.card{
  position: relative;
  border-radius: var(--r);
  overflow:hidden;
  background: var(--card);
  border: 1px solid rgba(215,184,90,.22);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.card::before{
  content:"";
  position:absolute; inset:-2px;
  pointer-events:none;
  background:
    radial-gradient(900px 300px at 20% 0%, rgba(247,231,167,.10), transparent 60%),
    radial-gradient(900px 380px at 85% 0%, rgba(215,184,90,.09), transparent 60%),
    linear-gradient(90deg, rgba(247,231,167,.05), transparent 35%, rgba(180,135,43,.04));
  opacity:.85;
  filter: blur(0px);
  mask: linear-gradient(#000, #000);
}

.card::after{
  content:"";
  position:absolute; inset:0;
  pointer-events:none;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), transparent 30%),
    radial-gradient(1200px 500px at 50% 120%, rgba(215,184,90,.06), transparent 55%);
  opacity:.7;
}

/* chat */
.chat{
  position: relative;
  height: min(62vh, 670px);
  overflow:auto;
  padding: 18px;
  display:flex;
  flex-direction:column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: rgba(215,184,90,.35) rgba(0,0,0,.25);
}

.chat::-webkit-scrollbar{width:10px}
.chat::-webkit-scrollbar-track{background: rgba(0,0,0,.22)}
.chat::-webkit-scrollbar-thumb{
  background: rgba(215,184,90,.28);
  border: 2px solid rgba(0,0,0,.35);
  border-radius: 999px;
}
.chat::-webkit-scrollbar-thumb:hover{background: rgba(215,184,90,.40)}

/* message bubbles */
.msg{
  max-width: 84%;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(215,184,90,.18);
  background: rgba(0,0,0,.32);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.45;
  font-size: 14px;
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}

.msg.user{
  margin-left:auto;
  background:
    linear-gradient(135deg, rgba(215,184,90,.22), rgba(0,0,0,.26));
  border-color: rgba(247,231,167,.22);
}

.msg.assistant{
  background:
    linear-gradient(135deg, rgba(255,255,255,.06), rgba(0,0,0,.30));
  border-color: rgba(215,184,90,.16);
}

/* small meta */
.meta{
  opacity:.78;
  font-size: 12px;
  margin-top: 6px;
  color: var(--muted);
}

/* input bar */
.bar{
  position: relative;
  display:flex;
  gap:10px;
  padding: 12px;
  border-top: 1px solid rgba(215,184,90,.18);
  background: rgba(0,0,0,.20);
}

.bar input{
  flex:1;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(215,184,90,.20);
  background: rgba(0,0,0,.30);
  color: var(--fg);
  outline:none;
  font-size: 14px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
}

.bar input::placeholder{color: rgba(205,191,138,.62)}

.bar input:focus{
  border-color: rgba(247,231,167,.35);
  box-shadow:
    0 0 0 4px rgba(215,184,90,.12),
    inset 0 0 0 1px rgba(255,255,255,.04);
}

/* send button */
.bar button{
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(247,231,167,.30);
  background:
    linear-gradient(135deg, var(--gold1), var(--gold2), var(--gold3));
  color: #14110a;
  font-weight: 800;
  letter-spacing:.2px;
  cursor:pointer;
  box-shadow:
    0 18px 40px rgba(215,184,90,.18),
    0 10px 20px rgba(0,0,0,.35);
  transition: transform .12s ease, filter .12s ease;
}

.bar button:hover{transform: translateY(-1px); filter: brightness(1.03)}
.bar button:active{transform: translateY(0px); filter: brightness(.98)}

.bar button:disabled{
  opacity:.6;
  cursor:not-allowed;
  transform:none;
  filter:none;
}

/* footer */
.footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 12px 12px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid rgba(255,255,255,.03);
}

.ghost{
  border: 1px solid rgba(215,184,90,.22);
  background: rgba(0,0,0,.22);
  color: var(--fg);
  padding: 8px 10px;
  border-radius: 12px;
  cursor:pointer;
  box-shadow: 0 12px 26px rgba(0,0,0,.35);
  transition: transform .12s ease, border-color .12s ease, filter .12s ease;
}

.ghost:hover{
  transform: translateY(-1px);
  border-color: rgba(247,231,167,.34);
  filter: brightness(1.03);
}

.ghost:active{transform: translateY(0px); filter: brightness(.98)}

.hint{opacity:.78}

/* responsive */
@media (max-width:520px){
  .t h1{font-size:16px}
  .chat{height: min(64vh, 720px)}
  .msg{max-width: 92%}
}