:root{
  --bg:#0f1419; --bg2:#171e26; --card:#1c252f; --line:#2a3542;
  --txt:#e8eef4; --muted:#93a0ae; --acc:#c9a46a; --acc2:#7eb8c9;
  --ok:#5ec48a; --bad:#e06b6b; --radius:16px;
  font-family:"Segoe UI", "Source Sans 3", "IBM Plex Sans", system-ui, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--txt);min-height:100%}
body{display:flex}
a{color:var(--acc2);text-decoration:none}
.side{width:240px;background:var(--bg2);border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;gap:28px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center}
.brand.center{justify-content:center;margin-bottom:8px}
.brand strong{display:block;font-size:1.05rem}
.brand small{color:var(--muted)}
.mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--acc),#8c6a3a);display:grid;place-items:center;font-weight:700;color:#1a140c}
.mark.lg{width:52px;height:52px}
.side nav{display:flex;flex-direction:column;gap:6px}
.side nav a{padding:10px 12px;border-radius:10px;color:var(--txt)}
.side nav a.on,.side nav a:hover{background:#24303b}
.logout{margin-top:auto}
.logout button,.login-card button,button{background:transparent;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 14px;cursor:pointer}
button.primary,.login-card button,.composer button{background:var(--acc);color:#1a140c;border-color:transparent;font-weight:600}
.main{flex:1;padding:28px 36px 48px;max-width:1200px}
.top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:22px}
h1{font-size:1.5rem;font-weight:600;margin:0}
h2{font-size:1.05rem;margin:0 0 12px}
.clock{color:var(--muted);font-size:.9rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.muted{color:var(--muted);font-size:.9rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;white-space:pre-wrap;word-break:break-word}
.pill{display:inline-block;padding:2px 8px;border-radius:999px;background:#2a3542;font-size:.8rem}
.pill.ok{background:#163525;color:var(--ok)}
.pill.bad{background:#3a1c1c;color:var(--bad)}
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr{cursor:pointer}
.model{padding:8px 0;border-bottom:1px solid var(--line)}
.login-body{display:grid;place-items:center;min-height:100vh}
.login-card{width:min(420px,92vw);display:flex;flex-direction:column;gap:14px}
.login-card label,label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}
input,select,textarea{background:#12181f;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 12px;font:inherit}
.err{background:#3a1c1c;color:#ffd4d4;padding:8px 10px;border-radius:8px}
.thread{min-height:360px;max-height:60vh;overflow:auto;display:flex;flex-direction:column;gap:12px;padding:8px 0 16px}
.bubble{max-width:80%;padding:12px 14px;border-radius:14px;background:#12181f;border:1px solid var(--line)}
.bubble.user{align-self:flex-end;background:#24303b}
.bubble .who{font-size:.75rem;color:var(--muted);margin-bottom:4px}
.composer{display:flex;gap:10px;align-items:end}
.composer textarea{flex:1}
.filters,.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;align-items:end}
.form-grid .wide{grid-column:1/-1}
.actions{display:flex;gap:10px;flex-wrap:wrap;grid-column:1/-1}
.hidden{display:none}
.detail{margin-top:16px}
@media (max-width:860px){
  body{flex-direction:column}
  .side{width:auto;height:auto;position:static;flex-direction:row;flex-wrap:wrap;align-items:center}
  .logout{margin:0 0 0 auto}
  .grid{grid-template-columns:1fr}
  .main{padding:16px}
}