/* ── Verid Interaktiver Rechner ───────────────────────────────
   Generische Komponente; spezifische Rechner über Modifier-Klasse.
─────────────────────────────────────────────────────────────── */

/* sub/sup explizit setzen — verhindert, dass normalize.css-Override
   oder andere Resets die Tief-/Hochstellung im Rechner unterbinden */
.verid-rechner sub,
.verid-rechner sup {
  font-size: 0.75em;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}
.verid-rechner sub { bottom: -0.35em; }
.verid-rechner sup { top: -0.5em; }

.verid-rechner {
  border: 1px solid #93C5FD;
  border-radius: 10px;
  padding: 1.25rem;
  margin: 1.5rem 0;
  background: #EFF6FF;
}

/* Titel via h2/h3/h4 im Drupal-Body — Klasse wird von Drupal gefiltert */
.verid-rechner h2,
.verid-rechner h3,
.verid-rechner h4,
.verid-rechner__title {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  font-size: 1.765rem !important;
  font-weight: 600 !important;
  color: var(--verid-color-text, #635F5A) !important;
  margin: 0 0 1rem !important;
  margin-block-start: 0 !important;
  padding-top: 0 !important;
  padding-bottom: 0.75rem !important;
  padding-block-start: 0 !important;
  border: none !important;
  border-bottom: 1.5px solid #93C5FD !important;
}

.verid-rechner h2::after,
.verid-rechner h3::after,
.verid-rechner h4::after,
.verid-rechner__title::after {
  content: 'Rechner';
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px 4px 26px;
  border-radius: 4px;
  background-color: #BFDBFE;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E3A8A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4' y='2' width='16' height='20' rx='2'/%3E%3Cline x1='8' y1='6' x2='16' y2='6'/%3E%3Cline x1='8' y1='10' x2='8.01' y2='10'/%3E%3Cline x1='12' y1='10' x2='12.01' y2='10'/%3E%3Cline x1='16' y1='10' x2='16.01' y2='10'/%3E%3Cline x1='8' y1='14' x2='8.01' y2='14'/%3E%3Cline x1='12' y1='14' x2='12.01' y2='14'/%3E%3Cline x1='16' y1='14' x2='16.01' y2='14'/%3E%3Cline x1='8' y1='18' x2='12' y2='18'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 8px center;
  background-size: 13px 13px;
  color: #1E3A8A;
  flex-shrink: 0;
}

.verid-rechner__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

@media (max-width: 480px) {
  .verid-rechner__grid { grid-template-columns: 1fr; }
}

.verid-rechner__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--verid-color-text, #635F5A);
  margin-bottom: 0.3rem;
}

.verid-rechner__input {
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 1.5px solid var(--verid-color-border, #DDE1EA);
  border-radius: 6px;
  font-size: 0.9375rem;
  color: var(--verid-color-text, #635F5A);
  background: #fff;
  appearance: textfield;
  -moz-appearance: textfield;
  transition: border-color 0.15s;
  box-sizing: border-box;
}

.verid-rechner__input::-webkit-inner-spin-button,
.verid-rechner__input::-webkit-outer-spin-button { -webkit-appearance: none; }

.verid-rechner__input:focus {
  outline: none;
  border-color: var(--verid-color-primary, #1F3CA6);
}

.verid-rechner__input--error {
  border-color: var(--verid-color-secondary, #D94F3D);
}

.verid-rechner__hint {
  font-size: 0.75rem;
  color: var(--verid-color-muted, #9E9A96);
  margin-top: 0.2rem;
}

.verid-rechner__btn {
  display: block;
  width: 100%;
  padding: 0.625rem 1rem;
  background: var(--verid-color-primary, #1F3CA6);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  margin-bottom: 0.875rem;
}

.verid-rechner__btn:hover  { background: #162d80; }
.verid-rechner__btn:active { background: #0f1f5a; }

.verid-rechner__error {
  background: #FFF0EE;
  border: 1.5px solid var(--verid-color-secondary, #D94F3D);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--verid-color-secondary, #D94F3D);
  margin-bottom: 0.75rem;
  display: none;
}

.verid-rechner__error--visible { display: block; }

.verid-rechner__result {
  background: #EEF2FF;
  border: 1.5px solid var(--verid-color-border, #DDE1EA);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.875rem;
  display: none;
}

.verid-rechner__result--visible { display: block; }

.verid-rechner__result-label {
  font-size: 0.8125rem;
  color: var(--verid-color-muted, #9E9A96);
  margin-bottom: 0.25rem;
}

.verid-rechner__main-value {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--verid-color-primary, #1F3CA6);
}

.verid-rechner__hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--verid-color-text-muted, #6B7280);
}

.verid-rechner__main-unit {
  font-size: 0.875rem;
  color: var(--verid-color-muted, #9E9A96);
  margin-left: 0.25rem;
}

.verid-rechner__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.875rem;
}

@media (max-width: 480px) {
  .verid-rechner__details { grid-template-columns: 1fr; }
}

.verid-rechner__detail {
  background: #fff;
  border: 1px solid var(--verid-color-border, #DDE1EA);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
}

.verid-rechner__detail-label {
  font-size: 0.75rem;
  color: var(--verid-color-muted, #9E9A96);
  margin-bottom: 0.15rem;
}

.verid-rechner__detail-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--verid-color-primary, #1F3CA6);
}

.verid-rechner__formula {
  font-size: 0.8125rem;
  color: var(--verid-color-muted, #9E9A96);
  text-align: center;
  font-style: italic;
}

.verid-rechner__section-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--verid-color-text, #635F5A);
  margin: 0.25rem 0 0.5rem;
}

.verid-rechner__verdict {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
  margin-top: 0.5rem;
}

.verid-rechner__verdict--pos {
  background: #E6F4EA;
  color: #1E7E34;
}

.verid-rechner__verdict--neg {
  background: #FFF0EE;
  color: var(--verid-color-secondary, #D94F3D);
}

/* ── Vektor-Layout ─────────────────────────────────────────── */
.verid-rechner__vectors {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 0.875rem;
  flex-wrap: wrap;
  align-items: center;
}

.verid-rechner__vector {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.verid-rechner__vector-name {
  font-size: 1.125rem;
  font-weight: 700;
  font-style: italic;
  color: var(--verid-color-primary, #1F3CA6);
  min-width: 1.5rem;
  text-align: right;
}

.verid-rechner__vector-bracket {
  border-left: 2.5px solid var(--verid-color-border, #DDE1EA);
  border-right: 2.5px solid var(--verid-color-border, #DDE1EA);
  padding: 0.5rem 0.625rem;
  border-radius: 3px;
}

.verid-rechner__vector-components {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.verid-rechner__vector-component {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.verid-rechner__vector-clabel {
  font-size: 0.8125rem;
  font-weight: 600;
  font-style: italic;
  color: var(--verid-color-muted, #9E9A96);
  width: 0.75rem;
  text-align: right;
  flex-shrink: 0;
}

.verid-rechner__vector-component .verid-rechner__input {
  width: 5.5rem;
}

.verid-rechner__result-vec-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--verid-color-primary, #1F3CA6);
  min-width: 3.5rem;
  display: inline-block;
}

/* ── Select (Modus-Auswahl) ─────────────────────────────────── */
.verid-rechner__select {
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 1.5px solid var(--verid-color-border, #DDE1EA);
  border-radius: 6px;
  font-size: 0.9375rem;
  color: var(--verid-color-text, #635F5A);
  background: #fff;
  box-sizing: border-box;
  cursor: pointer;
}
.verid-rechner__select:focus {
  outline: none;
  border-color: var(--verid-color-primary, #1F3CA6);
}

/* ── Toggle (Ohne / Mit Wiederholung) ──────────────────────── */
.verid-rechner__toggle {
  display: flex;
  margin-bottom: 0.875rem;
  border: 1.5px solid var(--verid-color-primary, #1F3CA6);
  border-radius: 6px;
  overflow: hidden;
}

.verid-rechner__toggle-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
  color: var(--verid-color-primary, #1F3CA6);
  background: #fff;
  border: none;
  border-right: 1.5px solid var(--verid-color-primary, #1F3CA6);
  border-radius: 0;
  margin: 0;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.verid-rechner__toggle-btn:last-child {
  border-right: none;
}

.verid-rechner__toggle-btn--active {
  background: var(--verid-color-primary, #1F3CA6);
  color: #fff;
}

.verid-rechner__toggle-btn:hover:not(.verid-rechner__toggle-btn--active) {
  background: #EEF2FF;
}

.verid-rechner__toggle-btn:focus-visible {
  outline: 2px solid var(--verid-color-primary, #1F3CA6);
  outline-offset: -3px;
}

/* ── Inverse Matrix ─────────────────────────────────────────── */

.verid-rechner__matrix-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
  flex-wrap: wrap;
}

.verid-rechner__matrix-label {
  font-size: 0.9375rem;
  font-weight: 600;
  font-style: italic;
  color: var(--verid-color-text, #635F5A);
  margin-right: 0.25rem;
  flex-shrink: 0;
}

/* Eingabe-Gitter (Größe per JS via grid-template-columns gesetzt) */
.rim-input-grid {
  display: inline-grid;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-left:  2.5px solid var(--verid-color-text, #635F5A);
  border-right: 2.5px solid var(--verid-color-text, #635F5A);
}

.rim-input-grid .verid-rechner__input {
  width: 4.5rem;
  text-align: center;
  padding: 0.4rem 0.375rem;
}

/* Ergebnis-Gitter (Größe per JS via grid-template-columns gesetzt) */
.rim-result-grid {
  display: inline-grid;
  gap: 0.25rem 0.875rem;
  padding: 0.375rem 1rem;
  border-left:  2.5px solid var(--verid-color-primary, #1F3CA6);
  border-right: 2.5px solid var(--verid-color-primary, #1F3CA6);
  margin: 0.375rem 0 0.875rem;
}

.rim-result-grid .verid-rechner__detail-value {
  font-size: 1rem;
  font-weight: 700;
  text-align: right;
  min-width: 3.5rem;
  white-space: nowrap;
}

/* Ergebnis-Label mit A⁻¹ */
.verid-rechner__result-matrix-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--verid-color-muted, #9E9A96);
  margin-bottom: 0.25rem;
}

.verid-rechner__result-matrix-label strong {
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--verid-color-primary, #1F3CA6);
}

/* Auf sehr kleinen Bildschirmen Eingabe-Inputs kompakter */
@media (max-width: 420px) {
  .rim-input-grid .verid-rechner__input { width: 3.5rem; font-size: 0.875rem; }
  .rim-result-grid .verid-rechner__detail-value { font-size: 0.875rem; min-width: 2.75rem; }
}

/* ── Matrizenmultiplikation ──────────────────────────────────── */

.rmm-matrices {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

.rmm-matrix-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}

.rmm-operator {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
  line-height: 1;
  padding-top: 1.4rem; /* align with matrix grid, below label */
}

@media (max-width: 480px) {
  .rmm-matrices { gap: 0.5rem; }
  .rmm-operator { font-size: 1.25rem; padding-top: 1.2rem; }
}

/* ── Gini-Koeffizient ────────────────────────────────────────── */

.verid-rechner__intro {
  font-size: 0.9rem;
  color: var(--verid-color-text, #635F5A);
  margin: 0 0 1rem;
}

.verid-rechner__result-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
  margin: 0 0 0.75rem;
}

.verid-rechner__main {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.verid-rechner__main-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--verid-color-text, #635F5A);
  min-width: 2.5rem;
}

.verid-rechner-gini__inputs {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.verid-rechner-gini__row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.verid-rechner-gini__row .verid-rechner__label {
  min-width: 4.5rem;
  margin-bottom: 0;
}

.verid-rechner-gini__row .verid-rechner__input {
  width: 11rem;
  margin-bottom: 0;
}

.verid-rechner-gini__controls {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
}

.verid-rechner-gini__add-btn,
.verid-rechner-gini__remove-btn {
  padding: 0.3rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  border: 1.5px solid var(--verid-color-primary, #1F3CA6);
  background: #fff;
  color: var(--verid-color-primary, #1F3CA6);
  transition: background 0.15s;
}

.verid-rechner-gini__add-btn:hover,
.verid-rechner-gini__remove-btn:hover {
  background: #EEF2FF;
}

.verid-rechner-gini__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin-bottom: 0.875rem;
}

.verid-rechner-gini__table th,
.verid-rechner-gini__table td {
  padding: 0.35rem 0.6rem;
  border-bottom: 1px solid var(--verid-color-border, #DDE1EA);
  text-align: left;
  color: var(--verid-color-text, #635F5A);
}

.verid-rechner-gini__table th {
  font-weight: 700;
  background: #F8FAFC;
}

.verid-rechner-gini__table td:nth-child(2),
.verid-rechner-gini__table td:nth-child(3) {
  text-align: right;
}

.verid-rechner-gini__table th:nth-child(2),
.verid-rechner-gini__table th:nth-child(3) {
  text-align: right;
}

.verid-rechner-gini__steps {
  font-size: 0.85rem;
  color: var(--verid-color-text-muted, #9B9490);
  background: #F8FAFC;
  border: 1px solid var(--verid-color-border, #DDE1EA);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.verid-rechner-gini__interp {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--verid-color-text, #635F5A);
  font-style: italic;
}

/* ── Wertepaare-Eingabe (Pearson, Kovarianz, Spearman) ───────── */

.verid-rechner-pearson__inputs,
.verid-rechner-kovarianz__inputs,
.verid-rechner-spearman__inputs {
  margin-bottom: 0.5rem;
}

/* Spalten-Header: x | y */
.verid-rechner-pearson__col-header,
.verid-rechner-kovarianz__col-header,
.verid-rechner-spearman__col-header {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.verid-rechner-pearson__col-header span,
.verid-rechner-pearson__col-header .verid-rechner__label,
.verid-rechner-kovarianz__col-header span,
.verid-rechner-kovarianz__col-header .verid-rechner__label,
.verid-rechner-spearman__col-header span,
.verid-rechner-spearman__col-header .verid-rechner__label {
  flex: 1;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
  text-align: center;
  margin-bottom: 0;
  padding-bottom: 0.2rem;
  border-bottom: 1.5px solid var(--verid-color-border, #DDE1EA);
}

/* Eingabe-Zeilen: x und y nebeneinander */
.verid-rechner-pearson__row,
.verid-rechner-kovarianz__row,
.verid-rechner-spearman__row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.verid-rechner-pearson__row .verid-rechner__input,
.verid-rechner-kovarianz__row .verid-rechner__input,
.verid-rechner-spearman__row .verid-rechner__input {
  flex: 1;
  width: auto;
}

/* Steuer-Leiste: +/- Zeile + Berechnen (Pearson) */
.verid-rechner__controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.875rem;
}

.verid-rechner__ctrl-btn {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  border: 1.5px solid var(--verid-color-primary, #1F3CA6);
  background: #fff;
  color: var(--verid-color-primary, #1F3CA6);
  transition: background 0.15s;
  white-space: nowrap;
}

.verid-rechner__ctrl-btn:hover { background: #EEF2FF; }

.verid-rechner__controls .verid-rechner__btn {
  flex: 1;
  margin-bottom: 0;
}

/* Steuer-Gruppe: +/- Zeile (Kovarianz) */
.verid-rechner__btn-group {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.verid-rechner__btn--secondary {
  padding: 0.4rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  border: 1.5px solid var(--verid-color-primary, #1F3CA6);
  background: #fff;
  color: var(--verid-color-primary, #1F3CA6);
  transition: background 0.15s;
  white-space: nowrap;
}

.verid-rechner__btn--secondary:hover { background: #EEF2FF; }

/* ── Chi-Quadrat 2×2-Eingabe ─────────────────────────────────── */

/* ── Chi-Quadrat 2×2 ─────────────────────────────────────── */
.verid-rechner-chi2__input-grid { margin-bottom: 0.875rem; }

.verid-rechner-chi2__col-header {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.verid-rechner-chi2__col-header span {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
  text-align: center;
  margin-bottom: 0;
  padding-bottom: 0.2rem;
}

.verid-rechner-chi2__col-header span:first-child {
  flex: 0 0 7.5rem;
}

.verid-rechner-chi2__col-header span:not(:first-child) {
  flex: 1;
  border-bottom: 1.5px solid var(--verid-color-border, #DDE1EA);
}

.verid-rechner-chi2__input-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  align-items: center;
}

.verid-rechner-chi2__row-label {
  flex: 0 0 7.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
}

.verid-rechner-chi2__cell { flex: 1; min-width: 0; width: auto; }

/* ── Cramers V bis 3×3 ───────────────────────────────────── */
.verid-rechner-cramersv__input-grid { margin-bottom: 0.875rem; }

.verid-rechner-cramersv__col-header {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0.3rem;
}

.verid-rechner-cramersv__col-header span {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
  text-align: center;
  margin-bottom: 0;
  padding-bottom: 0.2rem;
}

.verid-rechner-cramersv__col-header span:first-child {
  flex: 0 0 4.25rem;
}

.verid-rechner-cramersv__col-header span:not(:first-child) {
  flex: 1;
  min-width: 0;
  border-bottom: 1.5px solid var(--verid-color-border, #DDE1EA);
}

.verid-rechner-cramersv__input-row {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0.35rem;
  align-items: center;
}

.verid-rechner-cramersv__row-label {
  flex: 0 0 4.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--verid-color-text, #635F5A);
}

.verid-rechner-cramersv__cell { flex: 1; min-width: 0; width: auto; }

.verid-rechner--cramersv .verid-rechner__input {
  padding: 0.4rem 0.375rem;
  font-size: 0.875rem;
}

/* Label über generierten Zwischenergebnis-Tabellen */
.verid-rechner__tbl-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--verid-color-text, #635F5A);
  margin: 0.875rem 0 0.25rem;
}