/* Lernplan — eigenes Design: konzentriert, „Studien"-Look. Indigo/Violett + Mint-Akzent.
   Bewusst anders als Lesetempo (Koralle). */
:root {
  --bg: #f4f3fb; --bg2: #fbfbff; --card: #ffffff; --ink: #1b1832; --ink-dim: #5b5774;
  --line: #e6e3f5; --indigo: #4f46e5; --indigo-d: #3f37c9; --violet: #7c5cff; --mint: #16b8a6;
  --done: #16b8a6; --shadow: 0 14px 40px rgba(40,30,90,.10); --r: 18px;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="dark"] {
  --bg: #131221; --bg2: #1a1830; --card: #201d38; --ink: #f1eefb; --ink-dim: #a8a2c8;
  --line: #322d52; --shadow: 0 14px 40px rgba(0,0,0,.5);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(120% 80% at 90% -10%, color-mix(in srgb, var(--violet) 14%, transparent), transparent 55%), var(--bg);
  color: var(--ink); font-family: var(--sans); line-height: 1.55; min-height: 100vh;
}

.hd { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px;
  position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.hd__brand { display: flex; align-items: center; gap: 10px; }
.hd__logo { font-size: 23px; }
.hd__name { font-size: 21px; font-weight: 600; }
.hd__name b { color: var(--indigo); font-weight: 800; }
.hd__right { display: flex; align-items: center; gap: 8px; }
.hd__sel { appearance: none; background: var(--card); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 14px; max-width: 40vw; }
.iconbtn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font-size: 18px; cursor: pointer; line-height: 1; }
.iconbtn:active { transform: scale(.94); }

.wrap { max-width: 720px; margin: 0 auto; padding: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 18px;
  box-shadow: var(--shadow); margin-bottom: 16px; }
.card__h { margin: 0 0 10px; font-size: 14px; color: var(--ink-dim); font-weight: 700;
  text-transform: uppercase; letter-spacing: .6px; }
.view { display: none; } .view.is-on { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.hero { background: linear-gradient(135deg, color-mix(in srgb, var(--indigo) 16%, var(--card)), var(--card)); }
.hero__title { margin: 0 0 6px; font-size: 26px; line-height: 1.2; font-weight: 800; }
.hero__title span { color: var(--indigo); }
.hero__sub { margin: 0; color: var(--ink-dim); font-size: 15px; }

.input { width: 100%; background: var(--bg2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 12px; padding: 12px 14px; font: inherit; font-size: 15px; }
.input:focus { outline: none; border-color: var(--indigo); }
.ta { resize: vertical; line-height: 1.6; font-family: var(--sans); }
.tip { margin: 0 0 10px; font-size: 13px; color: var(--ink-dim); }
.tip code { background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 12px; }
.tip--center { text-align: center; margin-top: 12px; }
.meta { margin: 10px 2px 0; font-size: 13px; color: var(--ink-dim); }
.meta span { color: var(--ink); font-weight: 700; }
.fld { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.fld span { font-size: 14px; color: var(--ink-dim); font-weight: 600; }
.fld .input { width: auto; flex: 1; max-width: 60%; }
.fld__lbl { display: block; font-size: 14px; color: var(--ink-dim); font-weight: 600; margin-bottom: 8px; }
.days { display: flex; gap: 6px; flex-wrap: wrap; }
.day { width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg2);
  color: var(--ink-dim); font: inherit; font-weight: 700; cursor: pointer; }
.day.is-on { background: var(--indigo); color: #fff; border-color: var(--indigo); }

.bigbtn { width: 100%; border: none; cursor: pointer; border-radius: 14px; padding: 16px; font: inherit;
  font-weight: 800; font-size: 17px; color: #fff; background: linear-gradient(135deg, var(--indigo), var(--violet));
  box-shadow: 0 10px 24px -8px var(--indigo); transition: transform .12s, filter .12s; }
.bigbtn:hover { filter: brightness(1.05); } .bigbtn:active { transform: scale(.98); }
.ghostbtn { width: 100%; margin-top: 8px; background: transparent; border: 1px solid var(--line);
  color: var(--ink-dim); border-radius: 12px; padding: 12px; font: inherit; font-weight: 600; cursor: pointer; }
.ghostbtn--sm { width: auto; margin: 0; padding: 9px 16px; }

/* Plan */
.planhd { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.plan__title { margin: 0; font-size: 22px; font-weight: 800; }
.plan__meta { margin: 4px 0 0; font-size: 13px; color: var(--ink-dim); }
.prog { height: 12px; background: var(--bg2); border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.prog__bar { height: 100%; width: 0%; background: linear-gradient(90deg, var(--mint), var(--indigo)); transition: width .4s ease; }
.prog__txt { margin: 8px 2px 0; font-size: 13px; color: var(--ink-dim); }
.prog__txt span { color: var(--ink); font-weight: 700; }

.seg { display: flex; background: var(--bg2); border: 1px solid var(--line); border-radius: 999px; padding: 4px; margin-bottom: 16px; }
.seg__b { flex: 1; border: none; background: transparent; color: var(--ink-dim); font: inherit; font-weight: 600;
  padding: 9px 12px; border-radius: 999px; cursor: pointer; }
.seg__b.is-on { background: var(--indigo); color: #fff; }

.today { border: 1px solid color-mix(in srgb, var(--indigo) 35%, var(--line)); background: color-mix(in srgb, var(--indigo) 7%, var(--card)); }
.today__lbl { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
  color: var(--indigo); margin-bottom: 8px; }

.dayblock { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 12px; box-shadow: var(--shadow); }
.dayblock.is-today { border-color: var(--indigo); }
.dayblock.is-past { opacity: .7; }
.dayblock__date { font-size: 12px; font-weight: 700; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.lesson { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.lesson:last-child { border-bottom: none; }
.lesson input { width: 20px; height: 20px; accent-color: var(--mint); cursor: pointer; flex: 0 0 auto; }
.lesson__t { flex: 1; font-size: 15px; }
.lesson.done .lesson__t { text-decoration: line-through; color: var(--ink-dim); }
.lesson__pg { font-size: 12px; color: var(--ink-dim); }

.map-card { padding: 8px; }
.mindmap { width: 100%; height: auto; display: block; touch-action: manipulation; }
.node-label { font: 600 13px var(--sans); }

.ft { text-align: center; color: var(--ink-dim); font-size: 12px; padding: 24px 18px 40px; }
@media (max-width: 420px) {
  .hero__title { font-size: 22px; }
  .fld .input { max-width: 52%; }
  .hd { padding: 12px 12px; gap: 8px; }
  .hd__name { font-size: 18px; }
  .hd__right { gap: 6px; }
  .hd__sel { max-width: 30vw; padding: 8px 10px; min-width: 0; }
  .iconbtn { width: 38px; height: 38px; font-size: 17px; }
}