@font-face { font-family: "Bricolage"; src: url(/fonts/bricolage-grotesque-latin-500-normal.woff2) format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Bricolage"; src: url(/fonts/bricolage-grotesque-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Bricolage"; src: url(/fonts/bricolage-grotesque-latin-800-normal.woff2) format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url(/fonts/atkinson-hyperlegible-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Atkinson"; src: url(/fonts/atkinson-hyperlegible-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --paper: #eef2f0;
  --surface: #ffffff;
  --ink: #152238;
  --muted: #56627a;
  --line: #c7d0d8;
  --blue: #2448a8;
  --blue-soft: #dfe6f7;
  --done: #2e8b62;
  --done-soft: #dcefe5;
  --amber: #c98a12;
  --amber-soft: #f7ecd2;
  --red: #b8452f;
  --display: "Bricolage", "Arial Narrow", system-ui, sans-serif;
  --body: "Atkinson", system-ui, -apple-system, "Segoe UI", sans-serif;
  --r-s: 6px; --r-m: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1726; --surface: #18233a; --ink: #e8edf5; --muted: #9aa6bc; --line: #33415c;
    --blue: #7f9dff; --blue-soft: #22325a; --done: #5cc497; --done-soft: #183a2e;
    --amber: #e8b04a; --amber-soft: #3a2f16; --red: #ef8a73; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink);
  font: 17px/1.55 var(--body);
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; margin: 0; }
h1 { font-size: clamp(2rem, 7vw, 3.1rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: 1.45rem; font-weight: 700; margin: 2.4rem 0 .8rem; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 .9rem; }

.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem max(1rem, calc((100vw - 760px) / 2));
  background: var(--ink); color: var(--paper);
}
@media (prefers-color-scheme: dark) { .topbar { background: #0a111d; color: var(--ink); } }
.brand { font: 800 1.15rem var(--display); color: inherit; text-decoration: none; }
#nav { display: flex; gap: .4rem; align-items: center; }
#nav a, #nav button {
  color: inherit; background: none; border: 1px solid transparent; padding: .3rem .6rem; border-radius: var(--r-s);
  text-decoration: none; font-size: .95rem;
}
#nav a[aria-current="page"] { border-color: currentColor; }
main { max-width: 760px; margin: 0 auto; padding: 1.6rem 1rem 5rem; outline: none; }
.loading, .muted { color: var(--muted); }
.lede { font-size: 1.15rem; color: var(--muted); margin-top: .6rem; max-width: 60ch; }

/* ---------- Login ---------- */
.login { max-width: 360px; margin: 12vh auto 0; }
.login h1 { margin-bottom: .5rem; }
.login form { display: grid; gap: .8rem; margin-top: 1.4rem; }
input[type=password], input[type=number], textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface);
  border: 2px solid var(--line); border-radius: var(--r-s); padding: .65rem .75rem;
}
input:focus, textarea:focus { border-color: var(--blue); outline: none; }
.btn {
  border: 0; border-radius: var(--r-s); padding: .7rem 1.1rem; font-weight: 700;
  background: var(--blue); color: #fff;
}
@media (prefers-color-scheme: dark) { .btn { color: #0a111d; } }
.btn.secondary { background: transparent; color: var(--blue); border: 2px solid var(--blue); }
.btn:disabled { opacity: .5; cursor: default; }
.error { color: var(--red); font-weight: 700; }

/* ---------- Linienplan (Signatur) ---------- */
.overall { display: flex; align-items: baseline; gap: .8rem; margin: 1.4rem 0 2rem; }
.overall strong { font: 800 3.2rem/1 var(--display); color: var(--blue); white-space: nowrap; }
.route { list-style: none; margin: 0; padding: 0; position: relative; }
.route::before {
  content: ""; position: absolute; left: 21px; top: 22px; bottom: 22px; width: 8px;
  background: var(--line); border-radius: 4px;
}
.route .fill {
  position: absolute; left: 21px; top: 22px; width: 8px; border-radius: 4px; background: var(--done);
  transition: height .8s cubic-bezier(.2,.7,.2,1);
}
.stop { position: relative; display: grid; grid-template-columns: 50px 1fr; gap: .9rem; padding: 0 0 1.6rem; }
.stop:last-child { padding-bottom: 0; }
.dot {
  position: relative; z-index: 1; width: 50px; height: 50px; border-radius: 50%;
  display: grid; place-items: center; font: 800 1.2rem var(--display);
  background: var(--surface); border: 5px solid var(--line); color: var(--muted);
}
.stop.active .dot { border-color: var(--blue); color: var(--blue); }
.stop.done .dot { background: var(--done); border-color: var(--done); color: #fff; }
.stop a.card {
  display: block; text-decoration: none; color: inherit; background: var(--surface);
  border-radius: var(--r-m); padding: .9rem 1rem 1rem; border: 2px solid transparent;
}
.stop a.card:hover { border-color: var(--line); }
.stop.active a.card { border-color: var(--blue); }
.stop .q { color: var(--muted); margin: .25rem 0 .6rem; font-size: .98rem; }
.next-tag { font-size: .85rem; font-weight: 700; color: var(--blue); }

/* Vier-Segment-Anzeige je Modul */
.pips { display: flex; flex-wrap: wrap; gap: .35rem; }
.pip {
  font-size: .8rem; padding: .15rem .5rem; border-radius: 99px; background: var(--paper); color: var(--muted);
  border: 1px solid var(--line);
}
.pip.ok { background: var(--done-soft); color: var(--done); border-color: transparent; font-weight: 700; }
.pip.part { background: var(--amber-soft); color: var(--amber); border-color: transparent; }

/* ---------- Modulseite ---------- */
.crumb { font-size: .95rem; margin-bottom: 1rem; display: inline-block; }
.station { font: 700 1rem var(--display); color: var(--blue); margin-bottom: .3rem; }
.checklist { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
.checklist li {
  background: var(--surface); border-radius: var(--r-s); padding: .55rem .7rem; font-size: .95rem;
  border-left: 5px solid var(--line);
}
.checklist li.ok { border-left-color: var(--done); }
.checklist li.part { border-left-color: var(--amber); }
.facts { padding-left: 1.2rem; margin: 0; }
.facts li { margin-bottom: .55rem; max-width: 65ch; }
.panel { background: var(--surface); border-radius: var(--r-m); padding: 1.1rem 1.1rem 1.2rem; }
.panel + .panel { margin-top: .8rem; }
.rules { padding-left: 1.2rem; margin: 0; }
.rules li { margin-bottom: .45rem; }

/* Videos */
.video { background: var(--surface); border-radius: var(--r-m); overflow: hidden; }
.video + .video { margin-top: .9rem; }
.frame { position: relative; aspect-ratio: 16/9; background: var(--ink); }
.frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.frame .play {
  position: absolute; inset: 0; width: 100%; border: 0; background: var(--ink); color: #fff;
  display: grid; place-items: center; align-content: center; gap: .4rem; padding: 1rem; text-align: center;
}
.frame .play .tri {
  width: 64px; height: 64px; border-radius: 50%; background: var(--blue); display: grid; place-items: center;
}
.frame .play .tri::after { content: ""; border-left: 20px solid #fff; border-top: 12px solid transparent; border-bottom: 12px solid transparent; margin-left: 5px; }
.frame .play small { opacity: .75; font-size: .82rem; max-width: 36ch; }
.vmeta { padding: .8rem 1rem 1rem; display: grid; gap: .5rem; }
.vmeta .src { font-size: .9rem; color: var(--muted); }
.vmeta .watch { font-size: .95rem; background: var(--blue-soft); border-radius: var(--r-s); padding: .45rem .6rem; }
.seen-toggle { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; }
.seen-toggle input { width: 22px; height: 22px; accent-color: var(--done); }

/* Quiz */
.quiz fieldset { border: 0; padding: 0; margin: 0 0 1.2rem; }
.quiz legend { font-weight: 700; margin-bottom: .45rem; }
.quiz label {
  display: flex; gap: .6rem; align-items: flex-start; padding: .5rem .6rem; border-radius: var(--r-s);
  border: 2px solid var(--line); margin-bottom: .35rem; background: var(--surface);
}
.quiz label:has(input:checked) { border-color: var(--blue); }
.quiz label.right { border-color: var(--done); background: var(--done-soft); }
.quiz label.wrong { border-color: var(--red); }
.quiz input { margin-top: .3rem; accent-color: var(--blue); }
.explain { font-size: .93rem; color: var(--muted); margin: .2rem 0 0; }
.result { font: 700 1.1rem var(--display); margin: .4rem 0 1rem; }

/* Rechner */
.calc .grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.calc label { font-size: .92rem; display: grid; gap: .25rem; }
.calc .out { margin-top: 1rem; display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.calc .out div { background: var(--paper); border-radius: var(--r-s); padding: .6rem .7rem; }
.calc .out b { display: block; font: 800 1.35rem var(--display); }
.calc .out .big b { color: var(--done); }
.bars { display: grid; gap: .35rem; margin-top: 1rem; }
.bar { display: grid; grid-template-columns: 5.5rem 1fr; align-items: center; gap: .5rem; font-size: .88rem; }
.bar span.track { height: 22px; background: var(--paper); border-radius: 4px; overflow: hidden; display: flex; }
.bar i { display: block; height: 100%; }
.bar i.in { background: var(--blue); } .bar i.gain { background: var(--done); }
.legend { font-size: .85rem; color: var(--muted); margin-top: .4rem; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin: 0 .25rem 0 .6rem; vertical-align: middle; }

/* Risikochart */
.riskchart svg { width: 100%; height: auto; display: block; }
.riskchart text { font-family: var(--body); fill: var(--ink); }

/* Aufgabe, Erklärung, Kommentare */
textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-top: .7rem; }
.status { font-size: .92rem; color: var(--muted); }
.answer { white-space: pre-wrap; background: var(--paper); border-radius: var(--r-s); padding: .7rem .8rem; }
.comments { list-style: none; padding: 0; margin: 0 0 .8rem; display: grid; gap: .5rem; }
.comments li { background: var(--paper); border-radius: var(--r-s); padding: .55rem .7rem; }
.comments .by { font-weight: 700; font-size: .9rem; }
.comments .when { color: var(--muted); font-size: .82rem; margin-left: .4rem; }

/* Eltern-Übersicht */
.matrix-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--r-m); }
table.matrix { border-collapse: collapse; width: 100%; font-size: .95rem; }
.matrix th, .matrix td { padding: .55rem .6rem; text-align: left; border-bottom: 1px solid var(--line); }
.matrix th { font-family: var(--display); font-weight: 700; }
.matrix td.c { text-align: center; }
.ok-t { color: var(--done); font-weight: 700; } .part-t { color: var(--amber); font-weight: 700; } .no-t { color: var(--muted); }
.log { list-style: none; padding: 0; margin: 0; font-size: .93rem; }
.log li { padding: .4rem 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 8.5rem 1fr; gap: .6rem; }
.log time { color: var(--muted); }

#toast {
  position: fixed; left: 50%; bottom: calc(1.2rem + env(safe-area-inset-bottom)); transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper); padding: .6rem 1rem; border-radius: var(--r-s);
  opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 560px) {
  .topbar { padding-left: .8rem; padding-right: .6rem; gap: .4rem; }
  .brand { font-size: 1rem; }
  #nav { gap: .15rem; }
  #nav a, #nav button { padding: .25rem .4rem; font-size: .88rem; }
  .matrix th, .matrix td { padding: .5rem .35rem; font-size: .86rem; }
  .checklist, .calc .grid, .calc .out { grid-template-columns: 1fr; }
  .log li { grid-template-columns: 1fr; gap: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }