/* Kursbegleitung O2 Provider Update – Gestaltung wie die Nitrox-Kursbegleitung (eigenes Präfix op-), baut auf /style.css auf. */

.op-tool {
  --op-ink: var(--site-text, #1b2030);
  --op-muted: var(--site-muted, #5b6273);
  --op-line: var(--site-line, #e6e8ee);
  --op-soft: var(--site-soft, #f3f4f7);
  --op-blue: var(--site-blue, #3b22a3);
  --op-green: #2f8f3a;
  --op-green-soft: #e8f5e9;
  --op-yellow: var(--site-yellow, #f4c542);
  --op-yellow-soft: #fdf6dc;
  --op-warn: #b45309;
  --op-warn-soft: #fff4e5;
}

.pf-tool-frame.op-tool {
  max-width: 980px;
  padding: 24px 28px 32px;
  color: var(--op-ink);
  line-height: 1.55;
}

.op-head h1 { margin: 0 0 .4rem; }
.op-kicker { margin: 0 0 .2rem; font-size: .85rem; font-weight: 600; letter-spacing: .02em; color: var(--op-green); text-transform: uppercase; }
.op-intro { margin: 0 0 1rem; max-width: 70ch; }
.op-muted { color: var(--op-muted); }
.op-note { font-size: .9rem; color: var(--op-muted); margin: .4rem 0 0; }
.op-lead { margin: 0 0 1rem; max-width: 70ch; }
.op-ok { margin: .6rem 0 0; font-weight: 600; color: var(--op-green); }

/* Konto */
.op-account { border: 1px solid var(--op-line); background: var(--op-soft); border-radius: 12px; padding: 12px 16px; margin: 0 0 1.2rem; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.op-account p { margin: 0; flex: 1 1 260px; }
.op-account.is-warn { background: var(--op-warn-soft); border-color: #f3d19c; }
.op-meter { flex: 1 1 260px; display: grid; gap: 4px; font-size: .9rem; }
.op-meter__track { height: 8px; border-radius: 99px; background: #fff; border: 1px solid var(--op-line); overflow: hidden; }
.op-meter__track i { display: block; height: 100%; background: var(--op-green); border-radius: 99px; transition: width .3s; }

/* Weg in 5 Stationen */
.op-steps { list-style: none; margin: 0 0 1.6rem; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; counter-reset: op; }
.op-step { position: relative; padding: 10px 10px 10px 12px; border-radius: 10px; background: var(--op-soft); border: 1px solid var(--op-line); counter-increment: op; font-size: .85rem; line-height: 1.3; }
.op-step b { display: block; font-size: .95rem; margin-bottom: 2px; }
.op-step b::before { content: counter(op) " · "; color: var(--op-muted); font-weight: 600; }
.op-step span { color: var(--op-muted); }
.op-step.is-cert { background: var(--op-yellow-soft); border-color: #f0dc95; }
.op-step.is-done { background: var(--op-green-soft); border-color: #b7dfbb; }
.op-step.is-done b::before { content: "✓ "; color: var(--op-green); }

/* Abschnitte */
.op-section { margin: 0 0 2rem; }
.op-section > h2, .op-limit h2 { margin: 0 0 .4rem; font-size: 1.35rem; }
.op-section h3 { margin: 1.2rem 0 .4rem; font-size: 1.05rem; }

/* Kapitel-Karten */
.op-card { border: 1px solid var(--op-line); border-radius: 12px; margin: 0 0 8px; background: #fff; }
.op-card summary { list-style: none; cursor: pointer; display: flex; gap: 10px; align-items: center; padding: 12px 16px; font-weight: 600; }
.op-card summary::-webkit-details-marker { display: none; }
.op-card summary::after { content: ""; margin-left: auto; width: 9px; height: 9px; border-right: 2px solid var(--op-muted); border-bottom: 2px solid var(--op-muted); transform: rotate(45deg); transition: transform .2s; flex: none; }
.op-card[open] summary::after { transform: rotate(-135deg); }
.op-card__check { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--op-line); }
.op-card.is-done .op-card__check { background: var(--op-green); border-color: var(--op-green); position: relative; }
.op-card.is-done .op-card__check::after { content: ""; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.op-card__body { padding: 0 16px 14px 48px; }
.op-card__body > p { margin: 0 0 .4rem; }
.op-lessons { margin: 0 0 .8rem; padding-left: 1.1rem; color: var(--op-muted); font-size: .92rem; }

.op-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 20px; margin: .4rem 0 .8rem; }
.op-group h4 { margin: 0 0 .3rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--op-muted); }
.op-links { display: grid; gap: 4px; }

/* Links */
.op-link { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--op-line); background: #fff; color: var(--op-ink); text-decoration: none; font-size: .93rem; line-height: 1.3; }
.op-link:hover, .op-link:focus-visible { border-color: var(--op-blue); color: var(--op-blue); }
.op-link__icon { flex: none; width: 18px; height: 18px; background: currentColor; opacity: .75;
  -webkit-mask: var(--op-icon) center / contain no-repeat; mask: var(--op-icon) center / contain no-repeat; }
.op-link__title { flex: 1; }
.op-link__meta { flex: none; font-size: .8rem; color: var(--op-muted); font-variant-numeric: tabular-nums; }
.op-link--video { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='3' y='5' width='18' height='14' rx='3'/%3E%3Cpath d='m10 9 5 3-5 3z' fill='black'/%3E%3C/svg%3E"); }
.op-link--page { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M14 3H7a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V8z'/%3E%3Cpath d='M14 3v5h5M9 13h6M9 17h6'/%3E%3C/svg%3E"); }
.op-link--tool { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='5' y='3' width='14' height='18' rx='2'/%3E%3Cpath d='M8 7h8M8 12h2M12 12h2M8 16h2M12 16h2'/%3E%3C/svg%3E"); }
.op-link--quiz { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='m8 12 3 3 5-6'/%3E%3C/svg%3E"); }
.op-link--ssi, .op-link--login { display: inline-flex; background: var(--op-blue); border-color: var(--op-blue); color: #fff; font-weight: 600; padding: 8px 14px; }
.op-link--ssi:hover, .op-link--login:hover, .op-link--ssi:focus-visible, .op-link--login:focus-visible { color: #fff; filter: brightness(1.15); }
.op-link--ssi { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M7 17 17 7M9 7h8v8'/%3E%3C/svg%3E"); }
.op-link--login { --op-icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='4' y='11' width='16' height='10' rx='2'/%3E%3Cpath d='M8 11V7a4 4 0 0 1 8 0v4'/%3E%3C/svg%3E"); }
.op-link--ssi .op-link__icon, .op-link--login .op-link__icon { opacity: 1; }

.op-badge { flex: none; font-size: .75rem; padding: 1px 8px; border-radius: 99px; background: var(--op-soft); color: var(--op-muted); }
.op-badge:empty { display: none; }
.op-badge.is-done { background: var(--op-green-soft); color: var(--op-green); }
.op-practice { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; margin: 0 0 1rem; }
.op-practice p { margin: 0; flex-basis: 100%; }

/* Abhaken */
.op-tick { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: var(--op-soft); border: 1px dashed #cfd3dc; cursor: pointer; font-weight: 600; }
.op-tick input { flex: none; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--op-green); cursor: inherit; }
.op-tick:has(input:disabled) { cursor: not-allowed; opacity: .75; font-weight: 500; }
.op-tick__text { flex: 1; }
.op-tick__date { flex: none; font-size: .8rem; font-weight: 500; color: var(--op-green); }
.op-tick.is-done { background: var(--op-green-soft); border: 1px solid #b7dfbb; }
.op-tick.is-busy { opacity: .6; pointer-events: none; }

/* Grenze 32 % */
.op-limit { display: flex; gap: 18px; align-items: flex-start; margin: 0 0 2rem; padding: 18px 20px; border-radius: 14px; background: var(--op-yellow-soft); border: 2px solid var(--op-yellow); }
.op-limit.is-done { background: var(--op-green-soft); border-color: var(--op-green); }
.op-limit__mark { flex: none; display: grid; place-items: center; width: 74px; height: 74px; border-radius: 50%; background: #fff; border: 4px solid var(--op-green); font-weight: 800; font-size: 1.15rem; color: var(--op-green); }
.op-limit__text p { margin: .2rem 0 0; }

/* Workshop */
.op-howto { margin: 0 0 1rem; padding-left: 1.3rem; display: grid; gap: 6px; }
.op-confirm { border: 2px solid var(--op-line); border-radius: 14px; padding: 14px 16px; }
.op-confirm.is-done { border-color: var(--op-green); }
.op-confirm__hint { margin: 0 0 .7rem; }

/* Meldung */
.op-toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); opacity: 0; pointer-events: none; transition: .25s; background: var(--op-ink); color: #fff; padding: 8px 16px; border-radius: 99px; font-size: .9rem; z-index: 50; }
.op-toast.is-show { opacity: 1; transform: translate(-50%, 0); }
.op-toast.is-bad { background: #b42318; }

@media (max-width: 760px) {
  .pf-tool-frame.op-tool { padding: 18px 16px 24px; }
  .op-steps { grid-template-columns: 1fr; }
  .op-card__body { padding: 0 14px 14px; }
  .op-limit { flex-direction: column; gap: 10px; }
  .op-limit__mark { width: 60px; height: 60px; font-size: 1rem; }
}

/* Admin-Liste */
.op-admin table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.op-admin th, .op-admin td { padding: 8px 6px; border-bottom: 1px solid var(--op-line); text-align: left; vertical-align: top; }
.op-admin th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--op-muted); }
.op-admin td small { color: var(--op-muted); display: block; }
.op-admin .is-due { background: var(--op-yellow-soft); }
.op-admin button { font: inherit; font-size: .85rem; padding: 4px 10px; border-radius: 8px; border: 1px solid var(--op-line); background: #fff; cursor: pointer; }
.op-admin button.is-done { background: var(--op-green-soft); border-color: #b7dfbb; color: var(--op-green); }
.op-admin button.is-due { background: var(--op-yellow); border-color: var(--op-yellow); font-weight: 600; }
.op-admin .op-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 1rem; }
.op-admin .op-scroll { overflow-x: auto; }

/* O2: Praxis-Formular, Diplom, Voraussetzungen */
.op-step.is-optional { opacity: .85; }
.op-steps { grid-template-columns: repeat(5, 1fr); }
.op-form { display: grid; gap: 10px; max-width: 560px; margin: .6rem 0 0; }
.op-form label { display: grid; gap: 4px; font-weight: 600; font-size: .92rem; }
.op-form input[type="date"], .op-form input[type="text"], .op-form select { font: inherit; font-weight: 400; padding: 8px 10px; border-radius: 8px; border: 1px solid #cfd3dc; background: #fff; }
.op-form .op-check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
.op-form .op-check input { width: 20px; height: 20px; flex: none; margin-top: 1px; accent-color: var(--op-green); }
.op-btn { font: inherit; font-weight: 600; justify-self: start; padding: 8px 16px; border-radius: 8px; border: 1px solid var(--op-blue); background: var(--op-blue); color: #fff; cursor: pointer; }
.op-btn:disabled { opacity: .5; cursor: not-allowed; }
.op-btn--ghost { background: #fff; color: var(--op-blue); }
.op-saved { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 10px 12px; border-radius: 10px; background: var(--op-green-soft); border: 1px solid #b7dfbb; }
.op-saved p { margin: 0; flex: 1 1 260px; }
.op-reqs { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: 6px; }
.op-reqs li { display: flex; gap: 8px; align-items: baseline; }
.op-reqs li::before { content: "○"; color: var(--op-muted); font-weight: 700; flex: none; width: 1.1em; }
.op-reqs li.is-done::before { content: "✓"; color: var(--op-green); }
.op-diploma { border: 2px solid var(--op-yellow); background: var(--op-yellow-soft); border-radius: 14px; padding: 16px 18px; }
.op-diploma.is-done { border-color: var(--op-green); background: var(--op-green-soft); }
.op-diploma h3 { margin: 0 0 .4rem; }
.op-code { font-family: ui-monospace, Consolas, monospace; font-weight: 700; letter-spacing: .06em; }
.op-ssi { margin: 1rem 0 0; padding: 12px 14px; border-radius: 10px; background: #fff; border: 1px solid var(--op-line); }
.op-ssi ol { margin: .4rem 0 0; padding-left: 1.2rem; display: grid; gap: 4px; }
.op-verify { max-width: 640px; }
.op-verify .op-result { padding: 16px 18px; border-radius: 14px; border: 2px solid var(--op-line); margin: 1rem 0; }
.op-verify .op-result.is-valid { border-color: var(--op-green); background: var(--op-green-soft); }
.op-verify .op-result.is-invalid { border-color: #e8908a; background: #fdf1f0; }
@media (max-width: 760px) { .op-steps { grid-template-columns: 1fr; } }
.op-links + .op-tick, .op-practice + .op-tick { margin-top: .8rem; }

/* Weiche Update/Theorie, Beatmungs-Hinweis */
.op-choice { display: flex; flex-wrap: wrap; gap: 8px; margin: .4rem 0 .6rem; }
.op-choice__btn { font: inherit; font-weight: 600; padding: 10px 16px; border-radius: 10px; border: 2px solid var(--op-line); background: #fff; color: var(--op-ink); cursor: pointer; }
.op-choice__btn:hover:not(:disabled) { border-color: var(--op-blue); }
.op-choice__btn.is-active { border-color: var(--op-blue); background: var(--op-blue); color: #fff; }
.op-choice__btn:disabled { opacity: .6; cursor: not-allowed; }
.op-scope { margin: 0 0 .8rem; padding: 10px 12px; border-radius: 10px; background: var(--op-warn-soft); border: 1px solid #f3d19c; font-size: .92rem; }
.op-diploma + .op-diploma, .op-diploma + .op-ssi, .op-diploma + .op-note { margin-top: .8rem; }