/* ============================================================
   APP.CSS - Eigene Styles fuer KKA (Klassenkassalytics)
   Ergaenzt base.css/responsive.css, veraendert diese nicht.
   ============================================================ */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--very-light-gray);
  color: var(--very-dark-gray);
  margin: 0;
  line-height: var(--line-height-base);
}

a {
  color: var(--blue-dark);
}

/* ---------- NAVIGATION ---------- */
.kka-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--white);
  border-bottom: 1px solid var(--light-gray);
  box-shadow: var(--shadow-subtle);
}

.kka-nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 12px 0;
}

.kka-nav__brand {
  font-size: var(--font-size-123);
  font-weight: var(--font-weight-bold);
  color: var(--very-dark-gray);
  text-decoration: none;
}

.kka-nav__links {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.kka-nav__links a {
  padding: 6px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--dark-gray);
  font-size: var(--font-size-090);
  font-weight: var(--font-weight-medium);
}

.kka-nav__links a:hover,
.kka-nav__links a.is-active {
  background: var(--very-light-gray);
  color: var(--blue-dark);
}

.kka-nav__user {
  font-size: var(--font-size-082);
  color: var(--gray);
  justify-self: end;
  white-space: nowrap;
}

/* ---------- LAYOUT ---------- */
.kka-main {
  flex: 1 0 auto;
  padding-top: 24px;
  padding-bottom: 60px;
}

/* Klebt am unteren Rand, wenn der Seiteninhalt kuerzer als der Bildschirm ist (siehe body/.kka-main als Flex-Spalte) */
.kka-footer {
  flex-shrink: 0;
  padding: 16px 0;
  text-align: center;
  border-top: 1px solid var(--light-gray);
}

.kka-footer a {
  margin: 0 10px;
  font-size: var(--font-size-082);
  color: var(--gray);
}


.kka-card {
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow-subtle);
  margin-bottom: 20px;
}

.kka-card h2 {
  margin-top: 0;
  font-size: var(--font-size-123);
}

.kka-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

/* ---------- KENNZAHLEN ---------- */
.kka-stat {
  border-radius: 10px;
  padding: 16px;
  background: var(--very-light-gray);
  border: 1px solid var(--light-gray);
}

.kka-stat__label {
  font-size: var(--font-size-082);
  color: var(--gray);
  margin-bottom: 4px;
}

.kka-stat__value {
  font-size: var(--font-size-150);
  font-weight: var(--font-weight-bold);
}

.kka-stat__value.is-negative {
  color: var(--red-dark);
}

.kka-stat__value.is-positive {
  color: var(--green-dark);
}

/* ---------- FORMULARE ---------- */
.kka-form-row {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kka-form-row label {
  font-size: var(--font-size-082);
  font-weight: var(--font-weight-medium);
  color: var(--dark-gray);
}

.kka-form-row input,
.kka-form-row select,
.kka-form-row textarea {
  box-sizing: border-box;
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--light-gray);
  border-radius: 6px;
  background: var(--white);
  color: var(--very-dark-gray);
}

/* Select mit angehaengtem "+"-Button */
.kka-select-mit-button {
  display: flex;
  gap: 6px;
}

.kka-select-mit-button select {
  flex: 1;
  min-width: 0;
}

.kka-form-row textarea {
  min-height: 120px;
  resize: vertical;
  font-family: ui-monospace, monospace;
}

.kka-form-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.kka-pagination {
  margin-top: 16px;
  align-items: center;
  justify-content: space-between;
}

.kka-pagination .kka-form-row {
  margin-bottom: 0;
}

.kka-pagination-seite {
  min-width: 34px;
}

.kka-pagination-seite.ist-aktiv {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue-dark);
}

.kka-form-inline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
}

.kka-form-inline .kka-form-row {
  min-width: 160px;
  margin-bottom: 0;
}

.kka-form-row--full {
  flex: 1 1 100%;
}

.kka-form-row--full input {
  width: 100%;
}

/* Erzwingt einen Zeilenumbruch innerhalb einer .kka-form-inline-Zeile */
.kka-form-break {
  flex-basis: 100%;
  height: 0;
}

.kka-form-trenner {
  flex-basis: 100%;
  border: none;
  border-top: 1px solid var(--light-gray);
  margin: 4px 0 10px;
}

.kka-button-gruppe {
  display: flex;
  gap: 8px;
}

.kka-button-gruppe--vertikal {
  flex-direction: column;
  align-items: flex-start;
}

.kka-btn--toggle {
  background: var(--white);
  border: 1px solid var(--light-gray);
  color: var(--dark-gray);
}

.kka-btn--toggle.ist-aktiv {
  background: var(--blue);
  border-color: var(--blue-dark);
  color: var(--white);
}

/* ---------- BELEG-DROPZONE (Klick oder Drag&Drop) ---------- */
.kka-dropzone {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  padding: 14px;
  border: 2px dashed var(--light-gray);
  border-radius: 8px;
  background: var(--very-light-gray);
  color: var(--gray);
  font-size: var(--font-size-082);
  text-align: center;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.kka-dropzone:hover,
.kka-dropzone:focus-visible {
  border-color: var(--blue-light);
  color: var(--dark-gray);
  outline: none;
}

.kka-dropzone.ist-dragover {
  border-color: var(--blue);
  background: var(--bluish-gray-light);
  color: var(--blue-dark);
}

.kka-dropzone.hat-datei {
  border-style: solid;
  border-color: var(--green);
  color: var(--very-dark-gray);
  font-weight: var(--font-weight-medium);
}

.kka-dropzone-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

/* ---------- CHECKBOX-LISTE (z. B. Mehrfachauswahl Schueler) ---------- */
.kka-checkbox-liste {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 8px;
  max-height: 170px;
  overflow-y: auto;
  border: 1px solid var(--light-gray);
  border-radius: 10px;
  padding: 10px;
  background: var(--very-light-gray);
  min-width: 220px;
}

.kka-checkbox-liste label {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid var(--light-gray);
  font-size: var(--font-size-082);
  font-weight: var(--font-weight-medium);
  color: var(--dark-gray);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.kka-checkbox-liste label:hover {
  border-color: var(--blue-light);
}

.kka-checkbox-liste input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.kka-checkbox-liste label:has(input:checked) {
  background: var(--blue);
  border-color: var(--blue-dark);
  color: var(--white);
}

/* ---------- VERTEILUNGS-DIALOG (Ausgabe auf Personen aufteilen) ---------- */
.kka-dialog {
  border: none;
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-heavy);
  max-width: 520px;
  width: calc(100% - 40px);
}

.kka-dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}

.kka-dialog h3 {
  margin-top: 0;
}

.kka-dialog .kka-table {
  max-height: 320px;
  display: block;
  overflow-y: auto;
}

.kka-dialog .kka-table thead,
.kka-dialog .kka-table tbody tr {
  display: table;
  width: 100%;
  table-layout: fixed;
}

.kka-verteilung-betrag {
  width: 100px;
  text-align: right;
}

.kka-verteilung-betrag.ist-auto {
  color: var(--gray);
  font-style: italic;
}

.kka-verteilung-betrag.ist-manuell {
  color: var(--very-dark-gray);
  font-weight: var(--font-weight-semibold);
}

/* ---------- BUTTONS ---------- */
.kka-btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.kka-btn--primary {
  background: var(--blue);
  color: var(--white);
}

.kka-btn--primary:hover {
  background: var(--blue-dark);
}

.kka-btn--secondary {
  background: var(--very-light-gray);
  color: var(--very-dark-gray);
  border-color: var(--light-gray);
}

.kka-btn--secondary:hover {
  background: var(--light-gray);
}

.kka-btn--danger {
  background: var(--red);
  color: var(--white);
}

.kka-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Aufklapp-Pfeil fuer Ausgabengruppen/Umbuchungen: nur das Dreieck, kein Button-Rahmen */
.kka-btn--gruppe-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  border: none;
  background: none;
  color: var(--dark-gray);
  font-size: var(--font-size-082);
  cursor: pointer;
}

.kka-btn--gruppe-toggle:hover {
  color: var(--very-dark-gray);
}

.kka-gruppen-titel {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

/* ---------- ICON-BUTTONS (Bearbeiten/Loeschen als Stift/Muelltonne) ---------- */
.kka-btn--icon {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid var(--light-gray);
  background: var(--very-light-gray);
  color: var(--dark-gray);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.kka-btn--icon:hover {
  background: var(--light-gray);
}

.kka-btn--icon.kka-btn--icon-danger:hover {
  background: var(--red-light);
  border-color: var(--red);
  color: var(--red-dark);
}

.kka-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
}

.kka-icon svg {
  width: 100%;
  height: 100%;
}

/* Nur fuer Screenreader sichtbar (Icon-Buttons brauchen trotzdem einen Text-Namen) */
.kka-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- TABELLEN ---------- */
.kka-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-090);
}

.kka-table th,
.kka-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--light-gray);
  text-align: left;
}

.kka-table th:first-child,
.kka-table td:first-child {
  white-space: nowrap;
}

.kka-table th {
  color: var(--gray);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-082);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.kka-table tbody tr:hover {
  background: var(--very-light-gray);
}

.kka-gruppen-zeile {
  background: var(--bluish-gray-light);
  font-weight: var(--font-weight-medium);
}

.kka-gruppen-zeile:hover {
  background: var(--bluish-gray);
}

.kka-gruppen-mitglied td:first-child {
  padding-left: 24px;
}

.kka-gruppen-mitglied {
  font-size: var(--font-size-082);
}

.kka-table td.is-amount,
.kka-table th.is-amount {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.kka-table td.is-center,
.kka-table th.is-center {
  text-align: center;
}

.kka-table td.is-right,
.kka-table th.is-right {
  text-align: right;
}

/* Vorzeichen des Betrags kennzeichnet Ein-/Auszahlung automatisch farblich */
.kka-table span.is-negative {
  color: var(--red-dark);
  font-weight: var(--font-weight-semibold);
}

.kka-table td.is-amount.is-negative,
.kka-table th.is-amount.is-negative {
  color: var(--red-dark);
  font-weight: var(--font-weight-semibold);
}

.kka-table td.is-amount.is-positive,
.kka-table th.is-amount.is-positive {
  color: var(--very-dark-gray);
}

.kka-table tfoot th {
  border-top: 2px solid var(--light-gray);
  border-bottom: none;
  font-size: var(--font-size-090);
  text-transform: none;
  letter-spacing: normal;
}

/* Abgeschnittener Text (z. B. Beschreibung) mit vollem Inhalt als Hover-Popup.
   Trunkierung (overflow:hidden) und Tooltip (::after) muessen auf getrennten
   Elementen liegen, sonst schneidet overflow:hidden das Popup mit ab. */
.kka-truncate {
  display: inline-block;
  max-width: 220px;
  vertical-align: bottom;
  position: relative;
  cursor: default;
}

.kka-truncate-text {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kka-truncate:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 0;
  bottom: 100%;
  margin-bottom: 6px;
  background: var(--very-dark-gray);
  color: var(--white);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: var(--font-size-082);
  font-weight: var(--font-weight-normal);
  white-space: normal;
  width: max-content;
  max-width: 320px;
  box-shadow: var(--shadow-raised);
  z-index: var(--z-toast);
}

/* ---------- BADGES ---------- */
.kka-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: var(--font-size-075);
  font-weight: var(--font-weight-semibold);
  background: var(--light-gray);
  color: var(--dark-gray);
}

/* ---------- MELDUNGEN ---------- */
.kka-alert {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: var(--font-size-090);
}

.kka-alert--error {
  background: color-mix(in oklch, var(--red-light) 25%, white);
  color: var(--red-dark);
  border: 1px solid var(--red-light);
}

.kka-alert--success {
  margin-top: 16px;
  background: color-mix(in oklch, var(--green-light) 25%, white);
  color: var(--green-dark);
  border: 1px solid var(--green-light);
}

.kka-hint {
  font-size: var(--font-size-082);
  color: var(--gray);
}