:root{
  --navy:#0F1B2D; --navy2:#1a2942; --gold:#E8A319; --gold-soft:#F5C75C; --gold-dark:#B87E0A;
  --bg:#F7F8FA; --surface:#fff; --text:#0F1B2D; --text2:#475569; --muted:#64748B; --border:#E2E8F0;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--text);background:var(--bg);display:flex;flex-direction:column;line-height:1.55}

.topbar{background:var(--navy);color:#E5E7EB;display:flex;align-items:center;justify-content:space-between;
  padding:0 1.1rem;height:56px;flex:0 0 auto}
.brand{font-weight:700;letter-spacing:.02em}
.brand-sub{color:var(--gold);font-weight:600}
.topbar nav{display:flex;gap:.9rem;align-items:center}
.topbar a{color:#94A3B8;text-decoration:none;font-size:.9rem}
.topbar a:hover{color:#fff}
.topbar .lang{border:1px solid #334155;border-radius:6px;padding:2px 8px;font-size:.8rem}

/* Antwortlängen-Schalter (segmented control) */
.lenpicker{display:inline-flex;border:1px solid #334155;border-radius:999px;padding:2px;background:rgba(255,255,255,.04)}
.len{border:none;background:transparent;color:#94A3B8;font:inherit;font-size:.78rem;font-weight:600;
  padding:3px 12px;border-radius:999px;cursor:pointer;line-height:1.4}
.len:hover{color:#E5E7EB}
.len[aria-pressed="true"]{background:var(--gold);color:var(--navy)}
@media (max-width:560px){
  .len{padding:3px 9px;font-size:.72rem}
  .topbar .acct{display:none}
}

/* Chat */
.chat{flex:1 1 auto;display:flex;flex-direction:column;max-width:820px;width:100%;margin:0 auto;
  padding:0 1rem;min-height:0}
.log{flex:1 1 auto;overflow-y:auto;padding:1.25rem 0 .5rem;display:flex;flex-direction:column;gap:1rem}
.msg{display:flex}
.msg.user{justify-content:flex-end}
.bubble{max-width:80%;padding:.8rem 1rem;border-radius:14px;white-space:normal}
.msg.user .bubble{background:var(--navy);color:#fff;border-bottom-right-radius:4px}
.msg.coach .bubble{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--gold);
  border-bottom-left-radius:4px}
.bubble p{margin:.5rem 0}
.bubble p:first-child{margin-top:0}.bubble p:last-child{margin-bottom:0}
.bubble ul{margin:.5rem 0;padding-left:1.2rem}
.bubble code{background:#eef2f7;padding:1px 5px;border-radius:4px;font-size:.9em}
.bubble strong{color:var(--navy)}
.coach-fig{display:block;max-width:100%;height:auto;margin:.7rem 0;padding:.6rem;
  background:#fff;border:1px solid var(--border);border-radius:10px}
.msg.coach .bubble.streaming::after{content:"▍";color:var(--gold-dark);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}

/* Zwei Einstiegs-Karten (Einführung / Coaching) */
.starters{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin:.9rem 0 .2rem}
@media (max-width:560px){.starters{grid-template-columns:1fr}}
.starter{display:flex;flex-direction:column;gap:.25rem;text-align:left;cursor:pointer;
  padding:.75rem .85rem;border-radius:12px;font:inherit;
  background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--gold)}
.starter:hover{border-color:var(--gold);background:rgba(232,163,25,.06)}
.starter-t{font-weight:700;color:var(--navy)}
.starter-d{font-size:.82rem;color:var(--text2);line-height:1.45}

.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.75rem}
.chip{background:rgba(232,163,25,.10);border:1px solid rgba(232,163,25,.35);color:var(--gold-dark);
  border-radius:999px;padding:.4rem .8rem;font:inherit;font-size:.85rem;cursor:pointer;text-align:left}
.chip:hover{background:rgba(232,163,25,.18)}

.composer{flex:0 0 auto;display:flex;gap:.5rem;align-items:flex-end;padding:.6rem 0 .3rem}
#input{flex:1 1 auto;resize:none;max-height:180px;padding:.7rem .9rem;border:1px solid var(--border);
  border-radius:12px;font:inherit;background:var(--surface)}
#input:focus{outline:2px solid var(--gold);border-color:var(--gold)}
#send{flex:0 0 auto;width:44px;height:44px;border:none;border-radius:12px;background:var(--gold);
  color:var(--navy);font-size:1.2rem;font-weight:700;cursor:pointer}
#send:disabled{opacity:.5;cursor:default}
.disclaimer{color:var(--muted);font-size:.75rem;text-align:center;margin:.1rem 0 .7rem}

/* Gate */
.gate-wrap{flex:1 1 auto;display:grid;place-items:center;padding:2rem 1rem}
.gate-card{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--gold);
  border-radius:16px;padding:2rem;max-width:34rem}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:700;color:var(--gold-dark);display:block;margin-bottom:.5rem}
.gate-card h1{margin:.2rem 0 .8rem;font-size:1.7rem;color:var(--navy)}
.gate-card p{color:var(--text2)}
.btn{display:inline-block;background:var(--gold);color:var(--navy);font-weight:600;border:none;cursor:pointer;
  padding:.65rem 1.1rem;border-radius:10px;font:inherit;text-decoration:none}
.btn:hover{background:var(--gold-soft)}
.login-inline{margin-top:1rem}
.login-inline .row{display:flex;gap:.5rem;flex-wrap:wrap}
.login-inline input[type=email]{flex:1 1 15rem;padding:.65rem .9rem;border:1px solid var(--border);border-radius:10px;font:inherit}
.login-inline .fine{color:var(--muted);font-size:.82rem;margin:.55rem 0 0}