/* =====================================================================
   lab - werkzeuge/punktenoten/app.css
   Punkte zu Note: Werkzeugleiste, Notenschlüssel, Schnellumrechnung,
   Klassenliste mit Verteilung und Auswertung.
   Konventionen (AGENTS.md §5):
     - Alle Klassen mit Prefix .lab_ (hier .lab_pn_ fuer Punkte-Noten)
     - Keine harten Farben, nur Variablen aus css/colors.css
   ===================================================================== */

/* ---------- Werkzeugleiste ---------- */
.lab_pn_leiste {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.7rem;
  margin-bottom: 1rem;
  padding: 0.7rem 0.8rem;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 12px;
  box-shadow: var(--lab-shadow-1);
}

.lab_pn_feld {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  min-width: 0;
}

.lab_pn_feld input {
  font-weight: 400;
}

.lab_pn_titelfeld {
  flex: 1 1 12rem;
}

.lab_pn_maxfeld input {
  width: 7rem;
}

.lab_pn_meldung {
  margin: 0;
  flex: 1 1 100%;
}

.lab_pn_meldung:empty {
  display: none;
}

/* Druckkopf: am Bildschirm aus, im Druck an */
.lab_pn_druckkopf {
  display: none;
}

/* ---------- Arbeitsfeld ---------- */
.lab_pn_layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

@media (min-width: 62rem) {
  .lab_pn_layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }
  .lab_pn_karte_schluessel { grid-column: 1; grid-row: 1; }
  .lab_pn_karte_einzel     { grid-column: 1; grid-row: 2; }
  .lab_pn_karte_klasse     { grid-column: 2; grid-row: 1 / span 2; }
}

.lab_pn_karte {
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.1rem;
  box-shadow: var(--lab-shadow-1);
  min-width: 0;
}

.lab_pn_kopfzeile {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.6rem;
}

.lab_pn_kopfzeile h2 {
  font-size: 1rem;
  margin: 0;
}

.lab_pn_zwischentitel {
  font-size: 0.95rem;
  margin: 1.1rem 0 0.5rem;
}

/* ---------- Art der Grenzen / Rundung ---------- */
.lab_pn_art {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1.2rem;
  margin: 0 0 0.7rem;
  padding: 0.4rem 0.6rem;
  border: var(--lab-border);
  border-radius: 9px;
  background: var(--alt-div-color);
}

.lab_pn_wahl {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.92rem;
  font-weight: 400;
}

.lab_pn_rundenwahl {
  margin: 0.6rem 0;
}

/* ---------- Grenz-Eingaben ---------- */
.lab_pn_grenzen {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
}

@media (max-width: 30rem) {
  .lab_pn_grenzen {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.lab_pn_grenze {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.lab_pn_grenze input {
  padding: 0.4rem 0.5rem;
  font-weight: 400;
}

/* ---------- Knopfzeilen ---------- */
.lab_pn_knopfzeile {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0.4rem 0;
}

.lab_pn_knopfzeile .lab_btn {
  padding: 0.4rem 0.7rem;
  font-size: 0.88rem;
}

/* ---------- Tabellen ---------- */
.lab_pn_tabelle {
  overflow-x: auto;
}

.lab_pn_schluessel,
.lab_pn_klasetabelle,
.lab_pn_statistik {
  width: 100%;
  border-collapse: collapse;
}

.lab_pn_schluessel th,
.lab_pn_schluessel td,
.lab_pn_klasetabelle th,
.lab_pn_klasetabelle td,
.lab_pn_statistik th,
.lab_pn_statistik td {
  padding: 0.35rem 0.55rem;
  border-bottom: var(--lab-border);
  font-size: 0.9rem;
  text-align: left;
}

.lab_pn_schluessel thead th,
.lab_pn_klasetabelle thead th {
  background: var(--alt-div-color);
  font-weight: 700;
  white-space: nowrap;
}

.lab_pn_schluessel td:nth-child(n+3),
.lab_pn_schluessel th:nth-child(n+3),
.lab_pn_klasetabelle td:nth-child(n+2),
.lab_pn_klasetabelle th:nth-child(n+2),
.lab_pn_statistik td {
  font-family: var(--lab-mono);
  text-align: right;
  white-space: nowrap;
}

.lab_pn_schluessel tbody tr:last-child th,
.lab_pn_schluessel tbody tr:last-child td,
.lab_pn_klasetabelle tbody tr:last-child td,
.lab_pn_statistik tr:last-child th,
.lab_pn_statistik tr:last-child td {
  border-bottom: 0;
}

.lab_pn_note_is_5 {
  color: var(--lab-fehler-fg);
  font-weight: 700;
}

.lab_pn_leerzeile td {
  text-align: center;
  color: var(--grey600-color);
  font-family: var(--lab-font);
}

/* ---------- Schnell umrechnen ---------- */
.lab_pn_einzel {
  margin: 0.6rem 0 0;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.lab_pn_einzel strong {
  font-family: var(--lab-mono);
  font-size: 2.4rem;
  font-weight: 650;
  line-height: 1;
}

.lab_pn_einzel strong.is_negativ {
  color: var(--lab-fehler-fg);
}

.lab_pn_einzel_details {
  margin: 0.25rem 0 0;
  min-height: 1.2em;
}

/* ---------- Verteilung ---------- */
.lab_pn_verteilung {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.8rem;
}

.lab_pn_vzeile {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lab_pn_vnote {
  flex: none;
  width: 1.2rem;
  text-align: right;
  font-family: var(--lab-mono);
  font-weight: 650;
}

.lab_pn_vbalken {
  flex: 1 1 auto;
  height: 0.8rem;
  background: var(--div-color);
  border: var(--lab-border);
  border-radius: 5px;
  overflow: hidden;
}

.lab_pn_vfuellung {
  display: block;
  height: 100%;
  width: 0;
  background: var(--bt-color);
}

.lab_pn_vfuellung.is_negativ {
  background: var(--lab-fehler-fg);
}

.lab_pn_vzahl {
  flex: none;
  width: 2.2rem;
  font-family: var(--lab-mono);
  font-size: 0.88rem;
}

/* ---------- Statistik ---------- */
.lab_pn_statistik th {
  font-weight: 600;
  color: var(--grey600-color);
}

/* ---------- Klassenliste-Eingabe ---------- */
.lab_pn_listen_status {
  margin: 0.4rem 0 0;
  min-height: 1.1em;
}

.lab_pn_listen_status:empty {
  display: none;
}

#pn_liste {
  font-family: var(--lab-mono);
  font-size: 0.88rem;
  resize: vertical;
}

/* ---------- Hinweise ---------- */
.lab_pn_hilfe {
  margin-top: 1rem;
  background: var(--ct-color);
  border: var(--lab-border);
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  box-shadow: var(--lab-shadow-1);
}

.lab_pn_hilfe summary {
  cursor: pointer;
  font-weight: 600;
}

.lab_pn_hilfetext {
  margin: 0.7rem 0 0.2rem;
  padding-left: 1.2rem;
}

.lab_pn_hilfetext li {
  margin-bottom: 0.4rem;
}

/* ---------- Kleine Schirme ---------- */
@media (max-width: 30rem) {
  .lab_pn_karte {
    padding: 1rem 1rem 1.1rem;
  }
  .lab_pn_einzel strong {
    font-size: 2rem;
  }
}

/* ---------- Drucken: Protokoll mit Schlüssel und Liste ---------- */
@media print {
  .lab_pn_leiste,
  .lab_pn_knopfzeile,
  .lab_pn_hilfe,
  .lab_pn_art,
  .lab_pn_grenzen,
  .lab_pn_rundenwahl,
  .lab_pn_karte_einzel,
  .lab_pn_listen_status {
    display: none !important;
  }
  .lab_pn_druckkopf {
    display: block !important;
    margin-bottom: 0.8rem;
  }
  .lab_pn_druckkopf strong {
    font-size: 1.2rem;
    display: block;
  }
  .lab_pn_layout {
    display: block;
  }
  .lab_pn_karte {
    border: 0;
    box-shadow: none;
    padding: 0;
  }
  .lab_pn_karte_klasse {
    break-inside: auto;
  }
  .lab_pn_klasetabelle tr {
    break-inside: avoid;
  }
}