/* =========================================================
   O2 ja oder nein? – Fall-Trainer
   Baut auf /style.css (pf-tool-main, pf-tool-frame) auf, Farben wie dive-environments.
   ========================================================= */

.oc-tool {
  --oc-purple: #3b22a3;
  --oc-purple-ink: #2a1878;
  --oc-purple-soft: rgba(59, 34, 163, 0.08);
  --oc-yellow: #f4c542;
  --oc-text: #333;
  --oc-muted: #5e5a70;
  --oc-best: #1e7d6a;
  --oc-best-soft: #e3f4ef;
  --oc-ok: #9a6b00;
  --oc-ok-soft: #fdf4d3;
  --oc-no: #c62828;
  --oc-no-soft: #fdf1f0;
  --oc-bg: #f6f5fb;
}

.pf-tool-frame.oc-tool {
  max-width: 920px;
  padding: 24px 28px 28px;
  color: var(--oc-text);
  line-height: 1.55;
}

.oc-tool button:focus-visible,
.oc-tool a:focus-visible { outline: 3px solid var(--oc-yellow); outline-offset: 2px; }

.oc-eyebrow { margin: 0 0 4px; font-size: .85rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--oc-muted); }
.oc-head h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 12px; color: var(--oc-purple); }
.oc-intro { margin: 0 0 18px; max-width: 75ch; font-size: 1.05rem; }
.oc-sub { font-size: 1.2rem; margin: 0 0 12px; color: var(--oc-purple-ink); }

/* ---------- Fallübersicht ---------- */
.oc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.oc-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 16px; border-radius: 12px; background: #fff;
  border: 1px solid rgba(59, 34, 163, .18); box-shadow: 0 1px 3px rgba(0, 0, 0, .05);
}
.oc-card.is-seen { background: var(--oc-bg); }
.oc-card h3 { margin: 0; font-size: 1.08rem; color: var(--oc-purple-ink); }
.oc-teaser { margin: 0; color: var(--oc-muted); font-size: .95rem; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.oc-meta { margin: auto 0 0; font-size: .85rem; color: var(--oc-muted); display: flex; gap: 10px; flex-wrap: wrap; }
.oc-seen { color: var(--oc-best); font-weight: 600; }
.oc-foot { margin: 22px 0 0; display: flex; gap: 18px; flex-wrap: wrap; }
.oc-link { color: var(--oc-purple); font-weight: 600; }

/* ---------- Knöpfe ---------- */
.oc-btn {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: 8px 16px; border-radius: 999px;
  border: 2px solid var(--oc-purple); background: #fff; color: var(--oc-purple);
}
.oc-btn:hover { background: var(--oc-purple-soft); }
.oc-primary { background: var(--oc-purple); color: #fff; }
.oc-primary:hover { background: var(--oc-purple-ink); }
.oc-card .oc-btn { align-self: flex-start; }

/* ---------- Fall ---------- */
.oc-scene, .oc-panel { padding: 18px 20px; border-radius: 12px; margin: 0 0 14px; }
.oc-scene { background: var(--oc-purple-soft); }
.oc-scene h2 { margin: 0 0 8px; font-size: 1.3rem; color: var(--oc-purple-ink); }
.oc-scene p { margin: 0 0 8px; max-width: 75ch; }
.oc-trail { font-size: .92rem; color: var(--oc-muted); border-left: 3px solid var(--oc-purple); padding-left: 10px; }
.oc-panel { background: #fff; border: 1px solid rgba(59, 34, 163, .18); }
.oc-question { margin: 2px 0 12px; font-size: 1.15rem; }
.oc-options { display: flex; flex-direction: column; gap: 8px; }
.oc-option {
  display: flex; gap: 12px; align-items: flex-start; text-align: left;
  font: inherit; color: inherit; cursor: pointer;
  padding: 10px 12px; border-radius: 10px; border: 2px solid rgba(59, 34, 163, .2); background: #fff;
}
.oc-option:hover:not(:disabled) { border-color: var(--oc-purple); background: var(--oc-purple-soft); }
.oc-option:disabled { cursor: default; opacity: .75; }
.oc-option.is-chosen { opacity: 1; border-width: 3px; }
.oc-option.is-locked.is-best { border-color: var(--oc-best); }
.oc-option.is-locked.is-ok { border-color: var(--oc-ok); }
.oc-option.is-locked.is-no { border-color: var(--oc-no); }
.oc-letter {
  flex: none; width: 28px; height: 28px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--oc-purple); color: #fff; font-weight: 700; font-size: .9rem;
}
.oc-verdict { margin: -2px 0 6px 40px; padding: 10px 14px; border-radius: 10px; border-left: 4px solid; }
.oc-verdict p { margin: 0 0 4px; }
.oc-verdict.is-best { background: var(--oc-best-soft); border-color: var(--oc-best); }
.oc-verdict.is-ok { background: var(--oc-ok-soft); border-color: var(--oc-ok); }
.oc-verdict.is-no { background: var(--oc-no-soft); border-color: var(--oc-no); }
.oc-verdict.is-best strong { color: var(--oc-best); }
.oc-verdict.is-ok strong { color: var(--oc-ok); }
.oc-verdict.is-no strong { color: var(--oc-no); }
.oc-your { color: var(--oc-muted); }
.oc-controls { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.oc-bottom { margin-top: 0; }

/* ---------- Zusammenfassung ---------- */
.oc-summary { padding-left: 1.2em; margin: 0 0 14px; }
.oc-summary li { margin: 0 0 10px; }
.oc-summary span { display: block; }
.oc-q { font-size: .9rem; color: var(--oc-muted); }
.oc-tag { font-size: .85rem; font-weight: 700; }
.oc-summary .is-best .oc-tag { color: var(--oc-best); }
.oc-summary .is-ok .oc-tag { color: var(--oc-ok); }
.oc-summary .is-no .oc-tag { color: var(--oc-no); }
.oc-takeaway { background: var(--oc-purple-soft); border-radius: 10px; padding: 12px 16px; }
.oc-takeaway h3 { margin: 0 0 4px; font-size: 1rem; color: var(--oc-purple-ink); }
.oc-takeaway p { margin: 0; }

@media (max-width: 600px) {
  .pf-tool-frame.oc-tool { padding: 16px; }
  .oc-head h1 { font-size: 1.5rem; }
  .oc-verdict { margin-left: 0; }
}