.feed-list { display: grid; gap: 11px; }
.feed-card { display: grid; grid-template-columns: 6px minmax(0,1fr) auto; gap: 14px; align-items: center; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); padding: 14px 15px 14px 0; box-shadow: 0 6px 18px rgba(18,40,58,.04); }
.feed-accent { align-self: stretch; border-radius: 0 6px 6px 0; background: var(--accent); }
.feed-card h3 { margin-bottom: 4px; }
.feed-card p { margin-bottom: 8px; color: var(--muted); font-size: .82rem; }
.feed-meta, .reason-list { display: flex; flex-wrap: wrap; gap: 6px; }
.reason-chip { border-radius: 999px; background: var(--blue-soft); color: var(--navy-2); padding: 3px 7px; font-size: .65rem; font-weight: 800; }
.feed-score { min-width: 72px; text-align: center; }
.feed-score strong, .feed-score small { display: block; }
.feed-score strong { color: var(--navy); font-size: 1.1rem; }

.action-list { display: grid; gap: 9px; }
.action-item { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: flex-start; border-radius: 12px; background: var(--surface-soft); padding: 11px; }
.action-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: var(--surface); color: var(--navy); box-shadow: 0 3px 8px rgba(18,40,58,.06); }
.action-item strong, .action-item small { display: block; }
.action-item small { font-size: .68rem; }
.module-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.module-item { border: 1px solid var(--line); border-radius: 11px; background: #fbfcfd; padding: 10px; }
.module-item strong, .module-item small { display: block; }
.module-item strong { color: var(--navy); font-size: .78rem; }
.module-item small { margin-top: 3px; font-size: .64rem; }

.train-card, .news-card, .product-card, .idea-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.train-card:hover, .news-card:hover, .product-card:hover, .idea-card:hover { transform: translateY(-2px); border-color: #b8c7d1; box-shadow: var(--shadow-strong); }
.card-body { padding: 16px; }
.card-kicker { display: flex; justify-content: space-between; gap: 8px; align-items: center; margin-bottom: 10px; }
.card-title-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.card-title-row h2 { font-size: 1.1rem; }
.card-subtitle { color: var(--muted); font-size: .78rem; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.card-facts { display: grid; gap: 7px; margin: 0; }
.card-facts > div { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: 8px; }
.card-facts dt { color: var(--muted); font-size: .68rem; font-weight: 800; }
.card-facts dd { margin: 0; font-size: .78rem; overflow-wrap: anywhere; }
.card-actions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
.card-actions .button { min-height: 34px; padding: 7px 10px; font-size: .72rem; }
.card-link { color: var(--navy-2); font-size: .74rem; font-weight: 800; text-decoration: none; }
.card-link:hover { text-decoration: underline; }

.train-card-header { min-height: 88px; padding: 16px; background: linear-gradient(135deg,#f9fbfc,#eef4f7); }
.train-card.status-vorhanden .train-card-header { background: linear-gradient(135deg,#eef8f2,#e3f0e9); }
.train-card.status-wunschliste .train-card-header { background: linear-gradient(135deg,#fff9ea,#fbf0d2); }
.train-card .quick-status { margin-top: 12px; }
.relevance-meter { display: flex; align-items: center; gap: 7px; margin-top: 10px; }
.relevance-track { flex: 1; height: 7px; border-radius: 999px; background: #e6edf1; overflow: hidden; }
.relevance-fill { height: 100%; border-radius: inherit; background: var(--accent-strong); }
.relevance-meter small { min-width: 42px; text-align: right; font-size: .65rem; }
.relation-strip { display: flex; gap: 7px; align-items: center; border-top: 1px solid var(--line); background: #fbfcfd; padding: 10px 16px; color: var(--muted); font-size: .68rem; }
.train-details { border-top: 1px solid var(--line); }
.train-details summary { cursor: pointer; padding: 11px 16px; color: var(--navy-2); font-size: .75rem; font-weight: 850; }
.train-details-content { display: grid; gap: 10px; padding: 0 16px 16px; }
.model-candidate { border: 1px solid var(--line); border-radius: 11px; background: var(--surface-soft); padding: 10px; }
.model-candidate strong, .model-candidate small { display: block; }
.model-candidate strong { color: var(--navy); font-size: .78rem; }
.model-candidate small { font-size: .66rem; }

.news-card { display: flex; flex-direction: column; }
.news-hero { min-height: 105px; background: radial-gradient(circle at 80% 10%,rgba(233,180,76,.44),transparent 36%),linear-gradient(135deg,#183448,#2b5b7b); padding: 16px; color: #fff; }
.news-hero.real-rail { background: radial-gradient(circle at 80% 10%,rgba(122,174,127,.42),transparent 36%),linear-gradient(135deg,#1e3b33,#366557); }
.news-hero.knowledge { background: radial-gradient(circle at 80% 10%,rgba(168,143,211,.4),transparent 36%),linear-gradient(135deg,#332d4a,#625485); }
.news-hero h2 { color: #fff; font-size: 1.08rem; }
.news-hero p { color: rgba(255,255,255,.68); font-size: .7rem; }
.news-card .card-body { display: flex; flex-direction: column; flex: 1; }
.news-summary { color: #465765; font-size: .8rem; }
.news-relations { display: grid; gap: 6px; border-top: 1px solid var(--line); margin-top: auto; padding-top: 12px; }
.news-relations > div { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.news-relations strong { color: var(--muted); font-size: .66rem; }
.relevance-reason { border-radius: 10px; background: var(--surface-warm); color: #6d5423; padding: 8px 10px; font-size: .7rem; }
.feedback-buttons { display: flex; gap: 6px; }
.feedback-buttons button { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 5px 8px; color: var(--muted); font-size: .68rem; font-weight: 800; }
.feedback-buttons button.active { border-color: var(--navy-2); background: var(--blue-soft); color: var(--navy); }

.product-card .product-top { min-height: 88px; padding: 15px; background: linear-gradient(135deg,#f5f8fa,#e9f0f4); }
.product-card h2 { font-size: 1rem; }
.product-number { display: block; margin-top: 2px; color: var(--navy-2); font-weight: 900; }
.quality-bar { height: 8px; border-radius: 999px; background: #e7edf1; overflow: hidden; margin-top: 9px; }
.quality-bar > span { display: block; height: 100%; background: var(--success); }
.product-relations { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }

.claim-card { display: grid; grid-template-columns: minmax(180px,.8fr) minmax(0,1.6fr) minmax(220px,.75fr); gap: 14px; align-items: start; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); box-shadow: 0 7px 18px rgba(18,40,58,.05); padding: 14px; }
.claim-card.status-umstritten { border-left: 5px solid var(--warning); }
.claim-card.status-widerlegt { border-left: 5px solid var(--danger); }
.claim-card.status-community-bestaetigt, .claim-card.status-redaktionell-bestaetigt { border-left: 5px solid var(--success); }
.claim-origin strong, .claim-origin small { display: block; }
.claim-origin small { font-size: .66rem; }
.claim-value h2 { margin-bottom: 5px; font-size: 1rem; }
.claim-value blockquote { margin: 0 0 8px; border-left: 3px solid var(--line-strong); padding-left: 10px; color: #334654; font-size: .82rem; }
.claim-sources { display: grid; gap: 5px; }
.claim-source { display: flex; gap: 6px; align-items: center; color: var(--navy-2); font-size: .68rem; font-weight: 750; text-decoration: none; }
.claim-source:hover { text-decoration: underline; }
.claim-actions { display: grid; gap: 8px; }
.claim-score-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.confidence-track { height: 7px; border-radius: 999px; background: #e7edf1; overflow: hidden; }
.confidence-track span { display: block; height: 100%; background: var(--navy-2); }
.vote-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.vote-button { border: 1px solid var(--line); border-radius: 9px; background: var(--surface-soft); padding: 7px; color: var(--muted); font-size: .7rem; font-weight: 850; }
.vote-button.active { border-color: var(--navy-2); background: var(--blue-soft); color: var(--navy); }
.moderation-row { display: flex; gap: 6px; flex-wrap: wrap; }
.moderation-row button { border: 0; border-radius: 8px; background: var(--surface-soft); color: var(--navy-2); padding: 6px 8px; font-size: .65rem; font-weight: 800; }
.challenge-note { border-radius: 9px; background: var(--warning-soft); color: var(--warning); padding: 7px; font-size: .66rem; }

.idea-card .idea-top { padding: 15px; background: linear-gradient(135deg,#fafbfc,#edf3f6); }
.idea-card h2 { font-size: 1.03rem; }
.idea-description { color: #4b5d6b; font-size: .8rem; }
.metric-row { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin: 12px 0; }
.metric { border-radius: 10px; background: var(--surface-soft); padding: 9px; }
.metric span, .metric strong { display: block; }
.metric span { color: var(--muted); font-size: .64rem; }
.metric strong { color: var(--navy); }
.idea-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.idea-vote { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); margin-top: 13px; padding-top: 11px; }
.idea-vote button { border: 1px solid var(--line); border-radius: 9px; background: var(--surface); padding: 6px 9px; color: var(--navy-2); font-weight: 850; }
.matrix-dot { position: absolute; transform: translate(-50%,50%); width: 34px; height: 34px; border: 2px solid #fff; border-radius: 50%; background: var(--navy-2); color: #fff; box-shadow: 0 4px 12px rgba(18,40,58,.22); font-size: .62rem; font-weight: 900; }
.matrix-dot:hover { z-index: 3; transform: translate(-50%,50%) scale(1.18); }

.choice-chip { position: relative; }
.choice-chip input { position: absolute; opacity: 0; pointer-events: none; }
.choice-chip span { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px; background: var(--surface); color: var(--muted); padding: 7px 10px; font-size: .72rem; font-weight: 800; cursor: pointer; }
.choice-chip input:checked + span { border-color: var(--navy-2); background: var(--blue-soft); color: var(--navy); }
.preview-list { display: grid; gap: 9px; }
.preview-item { border-left: 4px solid var(--accent); border-radius: 0 10px 10px 0; background: var(--surface-soft); padding: 10px; }
.preview-item strong, .preview-item small { display: block; }
.preview-item strong { color: var(--navy); font-size: .78rem; }
.preview-item small { font-size: .66rem; }

.search-result { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); padding: 10px; }
.search-result-icon { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--blue-soft); color: var(--navy); }
.search-result strong, .search-result small { display: block; }
.search-result small { font-size: .65rem; }

@media (max-width: 900px) {
  .claim-card { grid-template-columns: 1fr; }
  .module-list { grid-template-columns: 1fr; }
}
.app-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 100;
  max-width: min(420px, calc(100% - 28px));
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 12px;
  background: var(--navy);
  color: #fff;
  padding: 11px 14px;
  box-shadow: var(--shadow-strong);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  font-size: .78rem;
  font-weight: 750;
}
.app-toast.visible { opacity: 1; transform: translateY(0); }
.action-item { border: 0; text-align: left; width: 100%; }
.train-visual { position: relative; min-height: 118px; background: linear-gradient(135deg,#dfe9ef,#cbd9e2); overflow: hidden; }
.train-visual img { width: 100%; height: 150px; object-fit: cover; }
.train-photo-placeholder { display: grid; place-items: center; align-content: center; min-height: 118px; color: #5f7484; text-align: center; padding: 16px; }
.train-photo-placeholder span { font-size: 1.5rem; }
.train-photo-placeholder strong, .train-photo-placeholder small { display: block; }
.train-photo-placeholder strong { color: var(--navy-2); font-size: .8rem; }
.train-photo-placeholder small { font-size: .64rem; }
.photo-credit { position: absolute; right: 7px; bottom: 7px; border-radius: 7px; background: rgba(18,40,58,.75); color: #fff; padding: 3px 6px; font-size: .58rem; }


/* v4.1: längere Erklärungen und progressive Offenlegung */
.guided-feed-card { display: block; padding: 18px; }
.guided-feed-card:hover { transform: none; }
.guided-feed-card h3 { font-size: 1.05rem; }
.guided-feed-card p { font-size: .86rem; line-height: 1.6; }
.plain-relevance { border-left: 3px solid var(--accent); padding-left: 10px; color: #5a6370 !important; }
.plain-language-summary { color: #3f5160; font-size: .86rem; line-height: 1.65; }
.compact-facts { border-top: 1px solid var(--line); padding-top: 12px; }
.technical-details { margin-top: 12px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-soft); padding: 10px 12px; }
.technical-details summary { cursor: pointer; color: var(--navy-2); font-size: .74rem; font-weight: 850; }
.technical-details .card-facts { margin-top: 10px; }
.technical-details p { margin: 10px 0 0; color: var(--muted); font-size: .74rem; }
.detailed-model { padding: 14px; }
.model-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.model-heading strong, .model-heading span { display: block; }
.model-heading > div > span { margin-top: 2px; color: var(--muted); font-size: .72rem; }
.detailed-model p { margin: 10px 0; color: #465866; font-size: .78rem; line-height: 1.55; }
.beginner-question { border-radius: 9px; background: var(--surface-warm); padding: 8px 10px; color: #6d5423 !important; }
.expanded-idea-card { overflow: visible; padding: 20px; }
.expanded-idea-card:hover { transform: none; }
.idea-summary-row { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 16px; align-items: start; }
.idea-index { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--blue-soft); color: var(--navy); font-weight: 900; }
.idea-title-block h2 { font-size: 1.35rem; }
.idea-lead { margin-bottom: 0; color: #465866; font-size: .9rem; line-height: 1.6; }
.idea-score-block { min-width: 72px; text-align: right; }
.idea-score-block strong, .idea-score-block span { display: block; }
.idea-score-block strong { color: var(--navy); font-size: 1.3rem; }
.idea-score-block span { color: var(--muted); font-size: .68rem; }
.idea-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.idea-explanation { border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); padding: 14px; }
.idea-explanation h3 { margin-bottom: 6px; font-size: .82rem; }
.idea-explanation p { margin-bottom: 0; color: #4b5d6b; font-size: .8rem; line-height: 1.58; }
.open-questions { margin-top: 12px; border-left: 4px solid var(--accent); background: var(--surface-warm); padding: 10px 13px; }
.open-questions summary { cursor: pointer; color: #6d5423; font-size: .76rem; font-weight: 850; }
.open-questions ul { margin-bottom: 0; color: #665a43; font-size: .76rem; }
.idea-footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px; }
.idea-metrics-inline { display: flex; flex-wrap: wrap; gap: 12px; color: var(--muted); font-size: .72rem; }
.idea-metrics-inline strong { color: var(--navy); }
.idea-footer .idea-vote { min-width: 210px; margin: 0; padding: 0; border: 0; gap: 12px; }

@media (max-width: 760px) {
  .idea-summary-row { grid-template-columns: auto 1fr; }
  .idea-score-block { grid-column: 2; text-align: left; }
  .idea-story-grid { grid-template-columns: 1fr; }
  .idea-footer { display: grid; }
  .idea-footer .idea-vote { min-width: 0; }
}