/*
 * Modul Tenant – Einstellungen (Optionen-Katalog): Bereichsnavigation, Einstellungszeilen,
 * Speichern-Leiste, Übersichtskacheln, Vergleich und Verlauf.
 * Nur Tokens des Designsystems, keine eigenen Farben oder Schriften.
 */

/* ---- Gerüst: Navigation links, Inhalt rechts ---------------------------------- */

.settings-layout {
    display: grid;
    grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr);
    align-items: start;
    gap: var(--space-5);
}

.settings-main {
    min-width: 0;
}

.settings-nav {
    position: sticky;
    top: var(--space-4);
    padding: var(--space-3);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-white);
    box-shadow: var(--shadow-card);
}

.settings-nav__search {
    margin-bottom: var(--space-3);
}

.settings-nav__search-label {
    display: block;
    margin-bottom: var(--space-1);
    color: var(--c-text-strong);
    font-size: var(--fs-small);
    font-weight: 500;
}

.settings-search {
    display: flex;
    gap: var(--space-1);
}

.settings-search input {
    flex: 1 1 auto;
    min-width: 0;
    min-height: var(--target-min);
    padding: 6px 10px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-white);
    color: var(--c-text-strong);
    font: inherit;
    font-size: var(--fs-small);
}

.settings-search input:focus {
    outline: 2px solid var(--c-focus);
    outline-offset: 1px;
    border-color: var(--c-focus);
}

.settings-search .btn {
    min-width: var(--target-min);
}

.settings-nav__heading {
    margin: var(--space-4) 0 var(--space-1);
    padding: 0 var(--space-2);
    color: var(--c-muted);
    font-size: var(--fs-tiny);
    font-weight: 500;
    /* Designsystem 2.0: Überschriften in normaler Schreibweise (wie die Gruppen der Seitenleiste) */
}

.settings-nav__list {
    display: grid;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.settings-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: var(--target-min);
    padding: 6px var(--space-2);
    border-left: 3px solid transparent;
    border-radius: var(--radius);
    color: var(--c-text-strong);
    font-size: var(--fs-small);
    line-height: 1.3;
    text-decoration: none;
}

.settings-nav__link svg {
    flex: none;
    width: 18px;
    height: 18px;
    color: var(--c-muted);
}

.settings-nav__link:hover {
    background: var(--c-row-hover);
    color: var(--c-blue);
    text-decoration: none;
}

.settings-nav__link[aria-current="page"] {
    border-left-color: var(--c-blue);
    background: var(--c-blue-light);
    color: var(--c-blue-dark);
    font-weight: 500;
}

.settings-nav__link[aria-current="page"] svg {
    color: var(--c-blue);
}

.settings-nav__label {
    flex: 1 1 auto;
}

.settings-nav__count {
    flex: none;
    min-width: 1.5rem;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--c-blue);
    color: var(--c-white);
    font-size: var(--fs-tiny);
    font-weight: 500;
    line-height: 1.5rem;
    text-align: center;
}

/* ---- Übersicht ---------------------------------------------------------------- */

.settings-summary {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: 0 0 var(--space-4);
    color: var(--c-text-strong);
}

.settings-summary svg {
    color: var(--c-blue);
}

.settings-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
    gap: var(--space-3);
    margin: 0;
    padding: 0;
    list-style: none;
}

.settings-tile {
    display: flex;
    gap: var(--space-3);
    height: 100%;
    padding: var(--space-4);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-white);
    box-shadow: var(--shadow-card);
    color: var(--c-text);
    text-decoration: none;
}

.settings-tile:hover,
.settings-tile:focus-visible {
    border-color: var(--c-blue);
    text-decoration: none;
}

.settings-tile__icon {
    flex: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--c-blue-light);
    color: var(--c-blue);
}

.settings-tile__body {
    display: grid;
    gap: var(--space-1);
    min-width: 0;
}

.settings-tile__title {
    color: var(--c-text-strong);
    font-weight: 500;
}

.settings-tile:hover .settings-tile__title {
    color: var(--c-blue);
}

.settings-tile__text {
    font-size: var(--fs-small);
}

.settings-tile__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    color: var(--c-muted);
    font-size: var(--fs-tiny);
}

/* ---- Gruppen und Einstellungszeilen ------------------------------------------ */

.settings-group {
    margin-bottom: var(--space-5);
}

/* Designsystem 2.0: Kartenkopf ohne graue Fläche, feine Linie darunter (wie .panel__header) */
.settings-group__header {
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid var(--c-line);
}

.settings-group__header h2 {
    margin: 0;
    color: var(--c-heading);
    font-size: 17px;
    font-weight: 500;
    line-height: var(--lh-tight);
}

.settings-group__area {
    color: var(--c-muted);
    font-weight: 400;
}

.setting {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-3) var(--space-5);
    padding: var(--space-4);
    border-left: 4px solid transparent;
    scroll-margin-top: var(--space-6);
}

.setting + .setting {
    border-top: 1px solid var(--c-line);
}

.setting--changed {
    border-left-color: var(--c-blue);
}

.setting--dirty {
    border-left-color: var(--c-warning);
    background: var(--c-warning-bg);
}

.setting--invalid {
    border-left-color: var(--c-danger);
    background: var(--c-danger-bg);
}

.setting:target {
    background: var(--c-blue-light);
}

.setting__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-1) var(--space-2);
}

.setting__label {
    color: var(--c-text-strong);
    font-weight: 500;
}

.setting__badge {
    font-size: var(--fs-tiny);
}

.setting__description {
    margin: var(--space-1) 0 0;
    font-size: var(--fs-small);
}

.setting__help {
    margin-top: var(--space-2);
    font-size: var(--fs-small);
}

.setting__help summary {
    color: var(--c-blue);
    cursor: pointer;
}

.setting__help p {
    margin: var(--space-1) 0 0;
    padding: var(--space-2) var(--space-3);
    border-left: 3px solid var(--c-line);
    background: var(--c-row-alt);
}

.setting__notice,
.setting__locked {
    display: flex;
    align-items: flex-start;
    gap: var(--space-1);
    margin: var(--space-2) 0 0;
    color: var(--c-muted);
    font-size: var(--fs-small);
}

.setting__notice svg,
.setting__locked svg {
    flex: none;
    margin-top: 3px;
    width: 16px;
    height: 16px;
}

.setting__control {
    display: grid;
    align-content: start;
    gap: var(--space-2);
    min-width: 0;
}

.setting__control input[type="text"],
.setting__control input[type="email"],
.setting__control input[type="number"],
.setting__control select,
.setting__control textarea {
    width: 100%;
    min-height: var(--target-min);
    padding: 6px 10px;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-white);
    color: var(--c-text-strong);
    font: inherit;
}

.setting__control textarea {
    min-height: 6rem;
    resize: vertical;
}

.setting__control input:focus,
.setting__control select:focus,
.setting__control textarea:focus {
    outline: 2px solid var(--c-focus);
    outline-offset: 1px;
    border-color: var(--c-focus);
}

.setting__control [aria-invalid="true"] {
    border-color: var(--c-danger);
}

.setting__control :disabled {
    background: var(--c-panel);
    color: var(--c-muted);
    cursor: not-allowed;
}

.setting__number {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.setting__number input[type="number"] {
    width: 9rem;
    font-variant-numeric: tabular-nums;
}

.setting__unit {
    color: var(--c-text-strong);
}

.setting__switch {
    justify-self: start;
}

.setting__state {
    color: var(--c-text-strong);
    font-weight: 500;
}

.setting__switch input:checked ~ .setting__state--off,
.setting__switch input:not(:checked) ~ .setting__state--on {
    display: none;
}

.setting__switch input:disabled + .switch__track {
    opacity: 0.6;
}

.setting__group {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.setting__group .field + .field {
    margin-top: var(--space-2);
}

.setting__choices {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
}

.setting__hint {
    margin: 0;
    color: var(--c-muted);
    font-size: var(--fs-tiny);
}

.setting__meta {
    margin: 0;
    color: var(--c-muted);
    font-size: var(--fs-tiny);
}

.setting__meta strong {
    color: var(--c-text-strong);
    font-weight: 500;
}

.setting__sep {
    margin: 0 2px;
}

.setting__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.setting__key {
    margin: 0;
    color: var(--c-muted);
    font-size: var(--fs-tiny);
}

.setting__key code {
    font-size: var(--fs-tiny);
}

/* ---- Speichern-Leiste -------------------------------------------------------- */

.settings-savebar {
    position: sticky;
    bottom: 0;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-white);
    box-shadow: var(--shadow-pop);
}

/* Fokus nicht verdecken (WCAG 2.4.11): Beim Weiterspringen mit der Tabulatortaste bleibt das
   fokussierte Feld oberhalb der Speichern-Leiste sichtbar. */
html:has(.settings-savebar) {
    scroll-padding-bottom: 6rem;
}

.settings-savebar__status {
    flex: 1 1 auto;
    margin: 0;
    color: var(--c-warning-text);
    font-size: var(--fs-small);
    font-weight: 500;
}

/* ---- Verweise auf andere Seiten ---------------------------------------------- */

.settings-links {
    margin-top: var(--space-5);
}

.settings-links__list {
    display: grid;
    gap: var(--space-3);
    margin: var(--space-3) 0 0;
    padding: 0;
    list-style: none;
}

.settings-link {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-white);
}

.settings-link__title {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
}

.settings-link__text,
.settings-link__area {
    margin: var(--space-1) 0 0;
    color: var(--c-muted);
    font-size: var(--fs-small);
}

/* ---- Vergleich und Verlauf --------------------------------------------------- */

.settings-compare th[scope="row"] a {
    font-weight: 500;
}

.settings-compare__area,
.settings-compare__source {
    display: block;
    color: var(--c-muted);
    font-size: var(--fs-tiny);
    font-weight: 400;
}

.settings-compare__key {
    display: block;
    color: var(--c-muted);
    font-size: var(--fs-tiny);
}

.settings-instance {
    margin-top: var(--space-5);
}

/* ---- Schmale Bildschirme ----------------------------------------------------- */

@media (max-width: 1100px) {
    .settings-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .settings-nav {
        position: static;
    }

    .settings-nav__list {
        grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
    }
}

@media (max-width: 720px) {
    .setting {
        grid-template-columns: minmax(0, 1fr);
    }

    .settings-nav__list {
        grid-template-columns: minmax(0, 1fr);
    }
}