/* ClassFlow Klassenverwaltung
 * --------------------------
 * Breiter, ruhiger Arbeitsdialog ohne verschachtelte Scrollbereiche.
 * Auf Desktop wächst der Dialog mit seinem Inhalt bis zur verfügbaren
 * Fensterhöhe. Erst wenn selbst diese nicht reicht, scrollt genau der Dialog
 * als Ganzes – nie einzelne Spalten oder Listen.
 */

#class-manager-dialog {
  width: min(1180px, calc(100% - 28px));
  max-height: calc(100dvh - 14px);
  overflow-x: hidden;
  overflow-y: auto;
  font-size: 13.5px;
}

#class-manager-dialog .desktop-dialog__header {
  position: sticky;
  top: 0;
  z-index: 4;
  padding: 17px 22px;
  background: linear-gradient(180deg, #ffffff 0%, #faf9fd 100%);
}

#class-manager-dialog .desktop-dialog__header h2 {
  font-size: 23px;
  letter-spacing: -.025em;
}

#class-manager-dialog .class-manager {
  grid-template-columns: minmax(300px, 330px) minmax(0, 1fr);
  align-items: stretch;
  min-height: 0;
  height: auto;
  max-height: none;
  overflow: visible;
}

#class-manager-dialog .class-manager__classes,
#class-manager-dialog .class-manager__students {
  min-height: 0;
}

#class-manager-dialog .class-manager__classes {
  display: flex;
  flex-direction: column;
  padding: 20px 20px 28px;
  background: linear-gradient(180deg, #fbfcff 0%, #f7f9fd 100%);
}

#class-manager-dialog .class-manager__students {
  display: flex;
  flex-direction: column;
  padding: 18px 22px 20px;
  overflow: visible;
}

#class-manager-dialog .class-manager__section-title {
  margin: 0 0 10px;
  color: #251d36;
  font-size: 15px;
  line-height: 1.2;
}

#class-manager-dialog .class-manager__class-list {
  display: grid;
  gap: 6px;
  margin: 2px 0 14px;
}

#class-manager-dialog .class-manager__class {
  min-height: 36px;
  align-items: center;
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 13px;
}

#class-manager-dialog .class-manager__class.is-active {
  box-shadow: inset 0 0 0 1px rgba(109, 76, 255, .08);
}

#class-manager-dialog .class-manager__actions {
  display: grid;
  gap: 8px;
  margin-top: 0;
}

#class-manager-dialog .class-manager__actions + .class-manager__actions {
  margin-top: 9px;
}

/* Der Excel-Import steht auch im HTML als letzter Block. Auf normal hohen
 * Desktopfenstern nutzt er den verbleibenden Platz; bei niedrigen Fenstern
 * folgt er einfach direkt nach den Klassenaktionen. */
#class-manager-dialog .class-manager__actions--excel {
  margin-top: auto;
  margin-bottom: 4px;
  padding-top: 17px;
  border-top: 1px solid var(--border);
}

#class-manager-dialog .class-manager__actions--excel::before {
  content: "Excel-Import";
  color: #3b2a66;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .02em;
}

#class-manager-dialog .class-manager__actions input,
#class-manager-dialog .student-editor input {
  min-height: 39px;
  border-radius: 10px;
  font-size: 13.5px;
}

#class-manager-dialog .class-manager__actions--excel input[type="file"] {
  width: 100%;
  min-width: 0;
  padding: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: #fff;
  font-size: 12.5px;
}

#class-manager-dialog .class-manager__actions--excel input[type="file"]::file-selector-button {
  margin-right: 9px;
  padding: 7px 10px;
  border: 0;
  border-radius: 7px;
  background: #eeebff;
  color: #4e33ad;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

#class-manager-dialog .class-manager__actions .button,
#class-manager-dialog .class-manager__actions--excel .button {
  width: 100%;
  min-height: 36px;
  font-size: 12.5px;
}

#class-manager-dialog #delete-selected-form {
  min-height: 0;
}

/* Desktop: keine Liste-in-Liste mit eigenem Scrollbalken. Die Namen nutzen
 * den vorhandenen Platz in drei Spalten. */
#class-manager-dialog .student-manage-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px 7px;
  height: auto;
  max-height: none;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#class-manager-dialog .student-manage-row {
  grid-template-columns: 30px minmax(0, 1fr);
  min-height: 32px;
  overflow: hidden;
  border: 1px solid #e3e6ef;
  border-radius: 9px;
  background: #fff;
}

#class-manager-dialog .student-manage-row:last-child {
  border-bottom: 1px solid #e3e6ef;
}

#class-manager-dialog .student-manage-row input {
  width: 15px;
  height: 15px;
  margin: auto;
  accent-color: var(--violet);
}

#class-manager-dialog .student-manage-selector {
  min-height: 32px;
  padding: 6px 8px;
  overflow: hidden;
  font-size: 13px;
  font-weight: 680;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#class-manager-dialog #delete-selected-form .student-delete-actions {
  margin-top: 8px;
}

#class-manager-dialog .class-manager__students > form.student-delete-actions {
  margin: 6px 0 0;
}

#class-manager-dialog .student-delete-actions .button {
  min-height: 33px;
  font-size: 12px;
}

/* Es gibt fachlich weiterhin zwei Aktionen (hinzufügen / umbenennen), aber
 * visuell erscheint immer nur EIN Vor-/Nachnamen-Editor. */
#class-manager-dialog .student-editor {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 10px;
  margin-top: 12px;
  padding: 11px 13px 12px;
  border: 1px solid #ddd7e9;
  border-radius: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfaff 100%);
}

#class-manager-dialog #rename-student-form {
  display: none;
}

#class-manager-dialog .class-manager__students.is-editing-student #rename-student-form {
  display: grid;
}

#class-manager-dialog .class-manager__students.is-editing-student .student-editor:not(#rename-student-form) {
  display: none;
}

#class-manager-dialog .student-editor__heading {
  grid-column: 1 / -1;
  display: grid;
  gap: 2px;
  padding-bottom: 6px;
  border-bottom: 1px solid #eee9f4;
}

#class-manager-dialog .student-editor__heading strong {
  color: #281e3b;
  font-size: 14px;
  font-weight: 900;
}

#class-manager-dialog .student-editor__heading small {
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.3;
}

#class-manager-dialog .student-editor label {
  display: grid;
  gap: 4px;
  color: #48566d;
  font-size: 12.5px;
  font-weight: 800;
}

#class-manager-dialog .student-editor__actions {
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding-top: 0;
}

#class-manager-dialog .student-editor__actions .button {
  min-height: 34px;
  font-size: 12.5px;
}

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

/* Niedrige Desktop-Fenster werden zusätzlich verdichtet. Entscheidend ist,
 * dass keine feste Innenhöhe mehr gesetzt wird: der Inhalt bestimmt die Höhe
 * und der äussere Dialog übernimmt nur im echten Platzmangel das Scrollen. */
@media (min-width: 901px) and (max-height: 720px) {
  #class-manager-dialog {
    max-height: calc(100dvh - 10px);
  }

  #class-manager-dialog .desktop-dialog__header {
    padding: 10px 18px;
  }

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

  #class-manager-dialog .desktop-dialog__close {
    width: 31px;
    height: 31px;
    font-size: 18px;
  }

  #class-manager-dialog .class-manager {
    height: auto;
    max-height: none;
    overflow: visible;
  }

  #class-manager-dialog .class-manager__classes {
    padding: 11px 16px 12px;
  }

  #class-manager-dialog .class-manager__students {
    padding: 10px 18px 11px;
  }

  #class-manager-dialog .class-manager__section-title {
    margin-bottom: 6px;
    font-size: 14px;
  }

  #class-manager-dialog .class-manager__class-list {
    gap: 3px;
    margin: 1px 0 7px;
  }

  #class-manager-dialog .class-manager__class {
    min-height: 29px;
    padding: 5px 9px;
  }

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

  #class-manager-dialog .class-manager__actions--excel {
    margin-top: 9px;
    margin-bottom: 0;
    padding-top: 8px;
  }

  #class-manager-dialog .class-manager__actions {
    gap: 4px;
  }

  #class-manager-dialog .class-manager__actions input,
  #class-manager-dialog .student-editor input {
    min-height: 30px;
    padding-block: 4px;
  }

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

  #class-manager-dialog .class-manager__actions--excel input[type="file"]::file-selector-button {
    padding: 4px 7px;
  }

  #class-manager-dialog .class-manager__actions .button,
  #class-manager-dialog .class-manager__actions--excel .button {
    min-height: 29px;
    padding-block: 4px;
  }

  #class-manager-dialog .student-manage-list {
    gap: 3px 6px;
  }

  #class-manager-dialog .student-manage-row,
  #class-manager-dialog .student-manage-selector {
    min-height: 27px;
  }

  #class-manager-dialog .student-manage-selector {
    padding: 3px 7px;
    font-size: 12.25px;
  }

  #class-manager-dialog #delete-selected-form .student-delete-actions {
    margin-top: 4px;
  }

  #class-manager-dialog .class-manager__students > form.student-delete-actions {
    margin-top: 3px;
  }

  #class-manager-dialog .student-delete-actions .button {
    min-height: 28px;
    padding-block: 3px;
  }

  #class-manager-dialog .student-editor {
    gap: 3px 8px;
    margin-top: 5px;
    padding: 6px 10px 7px;
  }

  #class-manager-dialog .student-editor__heading {
    gap: 0;
    padding-bottom: 2px;
  }

  #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: 1px;
    font-size: 11.5px;
  }

  #class-manager-dialog .student-editor__actions .button {
    min-height: 28px;
    padding-block: 3px;
  }
}

/* Mobile/Tablet nutzt ebenfalls nur den äusseren Dialog als Scrollcontainer.
 * Dadurch entstehen keine zwei Scrollbalken nebeneinander. */
@media (max-width: 900px) {
  #class-manager-dialog {
    width: min(760px, calc(100% - 22px));
    max-height: calc(100dvh - 12px);
    overflow-y: auto;
  }

  #class-manager-dialog .class-manager {
    display: block;
    height: auto;
    max-height: none;
    overflow: visible;
  }

  #class-manager-dialog .class-manager__classes {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  #class-manager-dialog .class-manager__actions--excel {
    margin-top: 18px;
    margin-bottom: 0;
  }

  #class-manager-dialog .class-manager__students {
    overflow: visible;
  }

  #class-manager-dialog .student-manage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  #class-manager-dialog {
    width: calc(100% - 14px);
    font-size: 13px;
  }

  #class-manager-dialog .desktop-dialog__header {
    padding: 14px 15px;
  }

  #class-manager-dialog .desktop-dialog__header h2 {
    font-size: 20px;
  }

  #class-manager-dialog .class-manager__classes,
  #class-manager-dialog .class-manager__students {
    padding: 15px;
  }

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

  #class-manager-dialog .student-manage-selector {
    white-space: normal;
  }

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