/* YSB App — Design-System (Dark Navy + Gold, konsistent mit your-second-brain.net) */
:root {
  --bg: #080d1a;
  --navy: #0f172a;
  --card: #1a2540;
  --card-hover: #223055;
  --gold: #d4a853;
  --gold-dim: #b8923f;
  --text: #f8fafc;
  --text-2: #94a3b8;
  --green: #4ade80;
  --yellow: #facc15;
  --red: #f87171;
  --border: #2b3a5e;
  --radius: 12px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg); color: var(--text);
  font-size: 16px; line-height: 1.6;
}
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  background: var(--navy); position: sticky; top: 0; z-index: 50;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand .logo {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  display: grid; place-items: center; color: var(--navy); font-weight: 800;
}
.badge-beta {
  font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  color: var(--navy); background: var(--gold);
  padding: 2px 8px; border-radius: 999px; text-transform: uppercase;
}
.header-right { display: flex; align-items: center; gap: 14px; }

/* ---------- Landing ---------- */
.hero { text-align: center; padding: 72px 24px 48px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; font-weight: 800; }
.hero h1 .accent { color: var(--gold); }
.hero .sub { color: var(--text-2); max-width: 640px; margin: 20px auto 0; font-size: 1.12rem; }
.hero .cta { margin-top: 36px; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.login-note { color: var(--text-2); font-size: .85rem; }
.btn-apple-soon {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card); color: var(--text-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 22px; font-size: .95rem; cursor: not-allowed;
}
.section { padding: 48px 0; }
.section h2 { font-size: 1.7rem; margin-bottom: 24px; text-align: center; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px;
}
.card .num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--gold);
  color: var(--navy); font-weight: 800; display: grid; place-items: center; margin-bottom: 14px;
}
.card h3 { margin-bottom: 8px; font-size: 1.08rem; }
.card p { color: var(--text-2); font-size: .95rem; }

.is-isnt { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .is-isnt { grid-template-columns: 1fr; } }
.box-is, .box-isnt { border-radius: var(--radius); padding: 28px; }
.box-is { background: var(--card); border: 1px solid var(--border); }
.box-isnt { background: rgba(248,113,113,.06); border: 1px solid rgba(248,113,113,.4); }
.box-is h3 { color: var(--green); margin-bottom: 12px; }
.box-isnt h3 { color: var(--red); margin-bottom: 12px; }
.box-is ul, .box-isnt ul { list-style: none; }
.box-is li, .box-isnt li { padding: 6px 0 6px 28px; position: relative; color: var(--text-2); }
.box-is li::before { content: "✓"; color: var(--green); position: absolute; left: 0; font-weight: 700; }
.box-isnt li::before { content: "✕"; color: var(--red); position: absolute; left: 0; font-weight: 700; }

.brain-card { display: flex; flex-direction: column; gap: 8px; }
.brain-card .tag-reg {
  align-self: flex-start; font-size: .72rem; font-weight: 600;
  color: var(--yellow); border: 1px solid var(--yellow);
  padding: 1px 8px; border-radius: 999px;
}
.legend { display: flex; gap: 22px; justify-content: center; color: var(--text-2); font-size: .95rem; flex-wrap: wrap; }

.site-footer {
  border-top: 1px solid var(--border); margin-top: 48px;
  padding: 28px 24px; color: var(--text-2); font-size: .85rem; text-align: center;
}
.site-footer .links { margin-bottom: 10px; display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }

/* ---------- App-Layout ---------- */
.app-shell { display: grid; grid-template-columns: 1fr 320px; height: calc(100vh - 71px); }
@media (max-width: 900px) { .app-shell { grid-template-columns: 1fr; } .sources-panel { display: none; } }
.chat-col { display: flex; flex-direction: column; min-width: 0; }
.chat-scroll { flex: 1; overflow-y: auto; padding: 24px; }
.chat-scroll .inner { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }

.msg-user {
  align-self: flex-end; background: var(--gold); color: var(--navy);
  border-radius: 14px 14px 4px 14px; padding: 12px 16px; max-width: 85%; font-weight: 500;
}
.msg-bot {
  align-self: flex-start; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px 14px 14px 4px; padding: 16px 18px; max-width: 95%; width: 100%;
}
.msg-bot .answer h4 { margin: 10px 0 4px; color: var(--gold); font-size: .95rem; }
.msg-bot .answer ul { margin: 4px 0 8px 20px; }
.msg-bot .answer p { margin: 6px 0; }
.msg-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.badge-cov { font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; }
.badge-cov.voll { background: rgba(74,222,128,.15); color: var(--green); border: 1px solid var(--green); }
.badge-cov.teilweise { background: rgba(250,204,21,.12); color: var(--yellow); border: 1px solid var(--yellow); }
.badge-cov.luecke { background: rgba(248,113,113,.12); color: var(--red); border: 1px solid var(--red); }
.msg-actions { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.btn-icon {
  background: transparent; border: 1px solid var(--border); color: var(--text-2);
  border-radius: 8px; padding: 5px 11px; cursor: pointer; font-size: .9rem;
}
.btn-icon:hover { border-color: var(--gold); color: var(--gold); }
.btn-icon.active { border-color: var(--gold); color: var(--gold); background: rgba(212,168,83,.1); }
.fb-cats { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.fb-cats button {
  background: var(--navy); border: 1px solid var(--border); color: var(--text-2);
  border-radius: 999px; padding: 4px 12px; cursor: pointer; font-size: .8rem;
}
.fb-cats button:hover { border-color: var(--red); color: var(--red); }
.fb-thanks { color: var(--green); font-size: .85rem; margin-top: 8px; }

.composer { border-top: 1px solid var(--border); background: var(--navy); padding: 14px 24px 10px; }
.composer .inner { max-width: 780px; margin: 0 auto; }
.composer form { display: flex; gap: 10px; }
.composer textarea {
  flex: 1; resize: none; background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  font-family: inherit; font-size: 1rem; min-height: 52px; max-height: 160px;
}
.composer textarea:focus { outline: none; border-color: var(--gold); }
.btn-gold {
  background: var(--gold); color: var(--navy); border: none; border-radius: 10px;
  padding: 0 26px; font-weight: 700; font-size: 1rem; cursor: pointer;
}
.btn-gold:hover { background: var(--gold-dim); }
.btn-gold:disabled { opacity: .5; cursor: wait; }
.composer .hints { display: flex; justify-content: space-between; gap: 10px; color: var(--text-2); font-size: .75rem; margin-top: 8px; flex-wrap: wrap; }

.sources-panel { border-left: 1px solid var(--border); background: var(--navy); overflow-y: auto; padding: 20px; }
.sources-panel h3 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-2); margin-bottom: 14px; }
.src-item { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; }
.src-item .t { font-weight: 600; font-size: .9rem; margin-bottom: 4px; }
.src-item .x { color: var(--text-2); font-size: .8rem; }
.src-legend { color: var(--text-2); font-size: .78rem; margin-top: 16px; line-height: 1.9; }

select.brain-select {
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font-size: .9rem; font-family: inherit;
}
.quota { color: var(--text-2); font-size: .8rem; }

/* ---------- Overlays (Gate / user_type / Follow-up) ---------- */
.overlay {
  position: fixed; inset: 0; background: rgba(8,13,26,.92); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 680px; width: 100%; max-height: 90vh; display: flex; flex-direction: column;
}
.modal header { padding: 20px 26px; border-bottom: 1px solid var(--border); }
.modal header h2 { font-size: 1.25rem; }
.modal .modal-body { padding: 20px 26px; overflow-y: auto; }
.modal .modal-body h1 { font-size: 1.2rem; margin-bottom: 12px; }
.modal .modal-body h2 { font-size: 1.02rem; margin: 16px 0 6px; color: var(--gold); }
.modal .modal-body p, .modal .modal-body li { color: var(--text-2); font-size: .92rem; }
.modal .modal-body ul { margin: 6px 0 6px 20px; }
.modal footer { padding: 18px 26px; border-top: 1px solid var(--border); }
.check-row { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: .9rem; }
.check-row input { margin-top: 4px; accent-color: var(--gold); width: 16px; height: 16px; flex-shrink: 0; }
.check-row.optional { color: var(--text-2); }
.scroll-hint { color: var(--yellow); font-size: .82rem; margin-bottom: 10px; }
.usertype-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 560px) { .usertype-grid { grid-template-columns: 1fr; } }
.usertype-grid button {
  background: var(--navy); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 18px 14px; cursor: pointer; text-align: left; font-family: inherit;
}
.usertype-grid button:hover { border-color: var(--gold); }
.usertype-grid .big { font-size: 1.05rem; font-weight: 700; display: block; margin-bottom: 4px; }
.usertype-grid .small { color: var(--text-2); font-size: .82rem; }

.followup-banner {
  background: rgba(212,168,83,.08); border: 1px solid var(--gold);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 6px;
}
.followup-banner h4 { color: var(--gold); font-size: .95rem; margin-bottom: 8px; }
.followup-item { display: flex; align-items: center; gap: 10px; padding: 6px 0; font-size: .88rem; color: var(--text-2); flex-wrap: wrap; }
.followup-item .q { flex: 1; min-width: 200px; }

.notice { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px 18px; color: var(--text-2); font-size: .9rem; }
.notice.error { border-color: var(--red); color: var(--red); }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid var(--border); border-top-color: var(--gold); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }