/* Minimal dark UI aligned with soile.tech tone */
:root{
  --bg:#070A0E;
  --panel:#0B1018;
  --text:#E7EEF9;
  --muted:#9FB0C7;
  --line:rgba(255,255,255,.08);
  --accent:#8FE1FF;
  --bad:#FF8FA3;
  --ok:#A6FFB7;
  --mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 800px at 20% 10%, rgba(143,225,255,.08), transparent 60%),
              radial-gradient(900px 700px at 80% 20%, rgba(166,255,183,.06), transparent 55%),
              var(--bg);
  color:var(--text);
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}

.top{
  padding:24px 18px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
}
.brand .kicker{color:var(--muted); font-size:12px; letter-spacing:.08em; text-transform:uppercase}
.brand .title{font-size:22px; font-weight:700; letter-spacing:.06em}
.brand .sub{color:var(--muted); font-size:13px; margin-top:6px; max-width:64ch}
.nav .link{font-size:13px}

.wrap{
  max-width:1100px;
  margin:0 auto;
  padding:18px;
  display:grid;
  grid-template-columns: 360px 1fr;
  gap:18px;
}
@media (max-width: 900px){
  .wrap{grid-template-columns: 1fr}
}
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 48%), var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.panel h2{margin:0 0 12px 0; font-size:14px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted)}

.modes{display:flex; flex-direction:column; gap:10px; margin-bottom:12px}
.mode{
  text-align:left;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
  color:var(--text);
  cursor:pointer;
}
.mode.is-active{
  border-color: rgba(143,225,255,.35);
  box-shadow: inset 0 0 0 1px rgba(143,225,255,.18);
}
.quick{display:flex; flex-wrap:wrap; gap:8px}
.chip{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
  color:var(--muted);
  cursor:pointer;
  font-size:12px;
}
.chip:hover{color:var(--text); border-color: rgba(255,255,255,.16)}

.chat{min-height:520px; display:flex; flex-direction:column}
.log{
  flex:1;
  min-height:360px;
  border:1px dashed rgba(255,255,255,.12);
  border-radius:12px;
  padding:12px;
  overflow:auto;
  background: rgba(0,0,0,.18);
}
.msg{padding:10px 12px; border-radius:12px; margin-bottom:10px; border:1px solid var(--line)}
.msg .who{font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); margin-bottom:6px}
.msg.user{background: rgba(143,225,255,.06); border-color: rgba(143,225,255,.18)}
.msg.ai{background: rgba(166,255,183,.05); border-color: rgba(166,255,183,.16)}
.msg.err{background: rgba(255,143,163,.06); border-color: rgba(255,143,163,.2)}
.mono{font-family:var(--mono)}

.form{display:flex; gap:10px; margin-top:12px}
.input{
  flex:1;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  color:var(--text);
}
.send{
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(143,225,255,.25);
  background: rgba(143,225,255,.10);
  color:var(--text);
  cursor:pointer;
}
.send:hover{background: rgba(143,225,255,.14)}
.note{margin-top:10px; color:var(--muted); font-size:12px}
.foot{padding:18px; text-align:center; color:var(--muted); border-top:1px solid var(--line)}