/* Kompaktere Klassenverwaltung
 * ----------------------------
 * Verdichtet den bestehenden Dialog. Auf Desktop nutzt die Klassenliste den
 * gesamten freien Raum der linken Spalte; nur diese Liste scrollt, wenn die
 * vorhandene Höhe für die Klassen tatsächlich nicht ausreicht. Löschaktionen
 * und Schüler:innen-Editor nutzen die vorhandene Breite horizontal.
 */

#class-manager-dialog .desktop-dialog__header {
  padding: 12px 18px;
}

#class-manager-dialog .desktop-dialog__header h2 {
  font-size: 21px;
}

#class-manager-dialog .class-manager__classes {
  padding: 14px 16px 16px;
}

#class-manager-dialog .class-manager__students {
  display: grid;
  grid-template-columns: max-content max-content minmax(0, 1fr);
  grid-auto-rows: auto;
  align-content: start;
  column-gap: 8px;
  padding: 12px 16px 14px;
}

#class-manager-dialog .class-manager__section-title {
  grid-column: 1 / -1;
  grid-row: 1;
  margin: 0 0 7px;
  font-size: 14px;
}

#class-manager-dialog .class-manager__class-list {
  gap: 3px;
  margin: 0 0 8px;
}

#class-manager-dialog .class-manager__class {
  min-height: 30px;
  padding: 6px 8px;
}

#class-manager-dialog .class-manager__actions {
  gap: 5px;
}

/* Auch "Neue Klasse" nutzt auf Desktop nur noch eine Zeile. */
#class-manager-dialog .class-manager__classes > .class-manager__actions:first-of-type {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

#class-manager-dialog .class-manager__classes > .class-manager__actions:first-of-type .button {
  width: auto;
  white-space: nowrap;
}

#class-manager-dialog .class-manager__actions + .class-manager__actions {
  margin-top: 5px;
}

#class-manager-dialog .class-manager__actions--excel {
  padding-top: 10px;
}

#class-manager-dialog .class-manager__actions input,
#class-manager-dialog .student-editor input {
  min-height: 32px;
  padding-block: 5px;
}

#class-manager-dialog .class-manager__actions .button,
#class-manager-dialog .class-manager__actions--excel .button {
  min-height: 31px;
  padding-block: 5px;
}

#class-manager-dialog .class-manager__actions--excel input[type="file"] {
  padding: 4px 6px;
}

#class-manager-dialog .class-manager__actions--excel input[type="file"]::file-selector-button {
  padding: 5px 8px;
}

/* Das Formular bleibt semantisch erhalten, seine beiden sichtbaren Bereiche
 * dürfen aber direkt am Grid der rechten Spalte teilnehmen. */
#class-manager-dialog #delete-selected-form {
  display: contents;
}

#class-manager-dialog .student-manage-list {
  grid-column: 1 / -1;
  grid-row: 2;
  gap: 3px 5px;
}

#class-manager-dialog .student-manage-row,
#class-manager-dialog .student-manage-selector {
  min-height: 28px;
}

#class-manager-dialog .student-manage-selector {
  padding: 4px 7px;
  font-size: 12.5px;
}

/* Beide Löschaktionen teilen sich exakt eine Zeile. */
#class-manager-dialog #delete-selected-form > .student-delete-actions {
  grid-column: 1;
  grid-row: 3;
  margin: 5px 0 0;
}

#class-manager-dialog .class-manager__students > form.student-delete-actions {
  grid-column: 2;
  grid-row: 3;
  margin: 5px 0 0;
}

#class-manager-dialog .student-delete-actions {
  width: max-content;
}

#class-manager-dialog .student-delete-actions .button {
  width: auto;
  min-height: 29px;
  padding: 4px 9px;
}

/* Vorname, Nachname und Aktion stehen auf Desktop in einer Zeile. Die
 * Eingabefelder bleiben bewusst deutlich schmaler als bisher. */
#class-manager-dialog .student-editor {
  grid-column: 1 / -1;
  grid-row: 4;
  grid-template-columns: minmax(120px, 180px) minmax(150px, 240px) auto;
  justify-content: start;
  align-items: end;
  gap: 5px 8px;
  margin-top: 7px;
  padding: 7px 9px 8px;
}

#class-manager-dialog .student-editor__heading {
  grid-column: 1 / -1;
  gap: 0;
  padding-bottom: 3px;
}

#class-manager-dialog .student-editor__heading strong {
  font-size: 13px;
}

#class-manager-dialog .student-editor__heading small {
  display: none;
}

#class-manager-dialog .student-editor label {
  gap: 2px;
  font-size: 11.5px;
}

#class-manager-dialog .student-editor__actions {
  grid-column: auto;
  align-self: end;
  padding: 0;
}

#class-manager-dialog .student-editor__actions .button {
  min-height: 32px;
  padding: 5px 10px;
  white-space: nowrap;
}

#class-manager-dialog .student-editor__new-button {
  margin-left: 0;
}

/* Desktop: Der Dialog hat durch viewport.css eine feste, viewportgerechte
 * Höhe. Als Flex-Container gibt er den kompletten Rest unter dem Header an
 * die Klassenverwaltung weiter. Links füllt die Klassenliste den variablen
 * Mittelbereich. Erstellen/Löschen bleiben darunter und der Excel-Import ist
 * als klar getrennte letzte Sektion am unteren Rand verankert. */
@media (min-width: 901px) and (min-height: 600px) {
  #class-manager-dialog {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  #class-manager-dialog .desktop-dialog__header {
    flex: 0 0 auto;
  }

  #class-manager-dialog .class-manager {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
    max-height: none;
    overflow: hidden;
  }

  #class-manager-dialog .class-manager__classes {
    min-height: 0;
    overflow: hidden;
  }

  #class-manager-dialog .class-manager__class-list {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 2px;
  }

  #class-manager-dialog .class-manager__classes > .class-manager__actions:first-of-type {
    flex: 0 0 auto;
    margin-top: 0;
    padding-top: 9px;
    border-top: 1px solid var(--border);
  }

  #class-manager-dialog .class-manager__classes > .class-manager__actions:nth-of-type(2) {
    flex: 0 0 auto;
  }

  #class-manager-dialog .class-manager__actions--excel {
    flex: 0 0 auto;
    margin-top: 10px;
    margin-bottom: 0;
  }
}

@media (min-width: 901px) and (max-height: 720px) {
  #class-manager-dialog .desktop-dialog__header {
    padding: 8px 16px;
  }

  #class-manager-dialog .class-manager__classes {
    padding: 9px 13px 10px;
  }

  #class-manager-dialog .class-manager__students {
    padding: 8px 14px 9px;
  }

  #class-manager-dialog .student-manage-row,
  #class-manager-dialog .student-manage-selector {
    min-height: 25px;
  }

  #class-manager-dialog .student-manage-selector {
    padding-block: 2px;
  }

  #class-manager-dialog .student-editor {
    margin-top: 4px;
    padding: 5px 8px 6px;
  }
}

@media (max-width: 620px) {
  #class-manager-dialog .class-manager__students {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  #class-manager-dialog .class-manager__section-title,
  #class-manager-dialog .student-manage-list,
  #class-manager-dialog .student-editor {
    grid-column: 1 / -1;
  }

  #class-manager-dialog .student-editor {
    grid-template-columns: 1fr;
  }

  #class-manager-dialog .student-editor__actions {
    grid-column: 1;
  }

  #class-manager-dialog .class-manager__classes > .class-manager__actions:first-of-type {
    grid-template-columns: 1fr;
  }

  #class-manager-dialog .class-manager__classes > .class-manager__actions:first-of-type .button,
  #class-manager-dialog .student-delete-actions,
  #class-manager-dialog .student-delete-actions .button {
    width: 100%;
  }
}