/* Kurskalender — Gestaltung über Variablen; jede Seite setzt --kal-akzent usw. passend
   zu ihrem Corporate Design. Akzentfarbe nur für Linien, Text und Knöpfe, nie flächig. */
.kal {
  --kal-akzent: var(--brand, #0B9797);
  --kal-akzent-dunkel: var(--brand-lo, #0D7878);
  --kal-tint: var(--bg-tint, #F0FDFD);
  --kal-ink: var(--ink, #14201F);
  --kal-muted: var(--muted, #61706D);
  --kal-line: var(--line, #E0E7E6);
  --kal-card: var(--card, #fff);
  --kal-soft: var(--bg-soft, #F7FBFA);
  --kal-voll: #9a3412;
  --kal-voll-bg: #fff4ed;
  --kal-radius: 14px;
  color: var(--kal-ink);
  max-width: 1120px;
  margin: 0 auto;
}
.kal *, .kal *::before, .kal *::after { box-sizing: border-box; }
.kal-kopf { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.kal-titel { flex: 1; margin: 0; text-align: center; font-size: clamp(1.25rem, 2.4vw, 1.6rem); line-height: 1.2; }
.kal-btn {
  min-width: 44px; min-height: 44px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--kal-line); background: var(--kal-card); color: var(--kal-ink);
  font: inherit; font-size: 1rem; font-weight: 600; cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.kal-vor, .kal-nach { font-size: 1.5rem; line-height: 1; padding: 0; }
.kal-btn:hover { border-color: var(--kal-akzent); background: var(--kal-tint); }
.kal button:focus-visible, .kal a:focus-visible, .kal h3[tabindex]:focus-visible {
  outline: 3px solid var(--kal-akzent); outline-offset: 2px;
}
.kal-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 4px 0 10px; }
.kal-fbtn { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--kal-line); background: var(--kal-card); color: var(--kal-ink); font: inherit; font-size: .92rem; font-weight: 600; cursor: pointer; }
.kal-fbtn:hover { border-color: var(--kal-akzent); }
.kal-fbtn[aria-pressed="true"] { border-color: var(--kal-akzent-dunkel); color: var(--kal-akzent-dunkel); box-shadow: inset 0 0 0 1px var(--kal-akzent-dunkel); }
@media (max-width: 699px) { .kal-filter { flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; padding-bottom: 4px; } .kal-fbtn { flex: none; } }
.kal-legende { display: flex; justify-content: center; gap: 6px 14px; align-items: center; flex-wrap: wrap; font-size: .85rem; color: var(--kal-muted); margin-bottom: 12px; }
.kal-punkt { display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--kal-akzent); vertical-align: middle; }
.kal-punkt.is-voll { background: transparent; border: 2px solid var(--kal-voll); }
.kal-status, .kal-leer, .kal-fehler { text-align: center; color: var(--kal-muted); padding: 24px 12px; }
.kal-fehler { border: 1px solid var(--kal-line); border-radius: var(--kal-radius); background: var(--kal-soft); color: var(--kal-ink); }
.kal-leer { padding-top: 16px; }

/* Raster (ab 700 px) */
.kal-raster { display: grid; gap: 6px; }
.kal-zeile { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.kal-wtag { text-align: center; font-size: .8rem; font-weight: 700; color: var(--kal-muted); text-transform: uppercase; letter-spacing: .04em; padding: 4px 0; }
.kal-wtag abbr { text-decoration: none; border: 0; }
.kal-zelle { min-width: 0; }
.kal-zelle.is-aussen { border-radius: 10px; background: transparent; }
.kal-tag {
  width: 100%; min-height: 96px; height: 100%; display: flex; flex-direction: column; align-items: stretch; gap: 4px;
  padding: 6px; border-radius: 10px; border: 1px solid var(--kal-line); background: var(--kal-card);
  color: inherit; font: inherit; text-align: left; cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.kal-tag:hover { border-color: var(--kal-akzent); }
.kal-tag.is-vorbei { opacity: .55; }
.kal-tag.hat-kurs { background: var(--kal-soft); }
.kal-tag.is-gewaehlt { border-color: var(--kal-akzent); box-shadow: inset 0 0 0 1px var(--kal-akzent); }
.kal-nr { font-weight: 700; font-size: .95rem; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; }
.kal-tag.is-heute .kal-nr { background: var(--kal-akzent-dunkel); color: #fff; }
.kal-chips { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.kal-chip {
  display: block; font-size: .74rem; line-height: 1.25; padding: 3px 6px; border-radius: 6px;
  border-left: 3px solid var(--kal-akzent); background: var(--kal-card); color: var(--kal-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.kal-chip i { font-style: normal; font-weight: 700; color: var(--kal-akzent-dunkel); }
.kal-chip.is-mehr { border-left-style: double; border-left-width: 4px; }
.kal-chip.is-folge { opacity: .85; }
.kal-chip.is-voll { border-left-color: var(--kal-voll); background: var(--kal-voll-bg); text-decoration: line-through; text-decoration-color: rgba(154,52,18,.5); }
.kal-mehr { font-size: .72rem; font-weight: 700; color: var(--kal-akzent-dunkel); padding-left: 6px; }

/* Tagesdetail */
.kal-detail { margin-top: 16px; padding: 16px; border: 1px solid var(--kal-line); border-top: 3px solid var(--kal-akzent); border-radius: var(--kal-radius); background: var(--kal-card); }
.kal-detail-kopf { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.kal-detail-kopf h3 { margin: 0; font-size: 1.15rem; }
.kal-zu { font-size: 1.4rem; padding: 0; }
.kal-kurs { padding: 14px 0; border-top: 1px solid var(--kal-line); }
.kal-kurs:first-of-type { border-top: 0; }
.kal-kurs h4 { margin: 0 0 8px; font-size: 1.05rem; line-height: 1.3; }
.kal-kurs dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 6px 16px; }
.kal-kurs dl div { min-width: 0; }
.kal-kurs dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--kal-muted); font-weight: 700; }
.kal-kurs dd { margin: 0; overflow-wrap: anywhere; }
.kal-kurs dd small { display: block; color: var(--kal-muted); font-size: .85rem; }
.kal-aktion { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 12px; }
.kal-badge { font-size: .8rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; color: var(--kal-akzent-dunkel); border: 1px solid currentColor; }
.kal-badge.is-voll { color: var(--kal-voll); background: var(--kal-voll-bg); }
.kal-cta {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px;
  border-radius: 999px; border: 0; background: var(--kal-akzent-dunkel); color: #fff; font: inherit; font-weight: 700;
  text-decoration: none; cursor: pointer; transition: filter .15s, transform .15s;
}
.kal-cta:hover { filter: brightness(1.1); color: #fff; }
.kal-link { color: var(--kal-akzent-dunkel); font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; }
.kal-kurs.is-voll h4 { color: var(--kal-muted); }

/* Agenda (unter 700 px) */
.kal-agenda { display: grid; gap: 12px; }
.kal-agtag { border: 1px solid var(--kal-line); border-radius: var(--kal-radius); background: var(--kal-card); padding: 12px 14px; }
.kal-agtag.is-vorbei { opacity: .6; }
.kal-agtag h3 { display: flex; align-items: center; gap: 12px; margin: 0 0 4px; font-size: 1rem; }
.kal-agtag h3 small { display: block; font-weight: 400; color: var(--kal-muted); font-size: .85rem; }
.kal-agnr { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 50%; border: 2px solid var(--kal-akzent); font-weight: 800; }
.kal-agtag.is-heute .kal-agnr { background: var(--kal-akzent-dunkel); border-color: var(--kal-akzent-dunkel); color: #fff; }
.kal-agtag .kal-kurs dl { grid-template-columns: 1fr 1fr; }
.kal-agtag .kal-cta { flex: 1 1 100%; }

@media (max-width: 699px) {
  .kal-legende { display: none; }
  .kal-heute { padding: 0 12px; }
}

/* Bewegung — dezent, abschaltbar */
@keyframes kal-rein-r { from { opacity: 0; transform: translateX(18px); } to { opacity: 1; transform: none; } }
@keyframes kal-rein-l { from { opacity: 0; transform: translateX(-18px); } to { opacity: 1; transform: none; } }
@keyframes kal-auf { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.kal-rein-r { animation: kal-rein-r .26s ease-out; }
.kal-rein-l { animation: kal-rein-l .26s ease-out; }
.kal-auf { animation: kal-auf .22s ease-out; }
@media (prefers-reduced-motion: reduce) {
  .kal-rein-r, .kal-rein-l, .kal-auf { animation: none; }
  .kal-btn, .kal-tag, .kal-cta { transition: none; }
}