:root {
    color-scheme: light;
    --color-background: #f3f5f7;
    --color-surface: #ffffff;
    --color-surface-subtle: #eef2f5;
    --color-border: #d4dce3;
    --color-text: #17232d;
    --color-text-muted: #586875;
    --color-primary: #24577a;
    --color-primary-dark: #173f5b;
    --color-primary-soft: #e6f0f6;
    --color-warning: #805700;
    --color-warning-background: #fff6dc;
    --color-warning-border: #e6c86d;
    --color-error: #8b2525;
    --color-error-background: #fbeaea;
    --color-focus: #0b6eaa;
    --shadow-subtle: 0 1px 3px rgb(23 35 45 / 10%);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--color-background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--color-text);
    background: var(--color-background);
}

a,
button,
input,
summary {
    font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.65rem 0.9rem;
    color: #ffffff;
    background: var(--color-primary-dark);
    border-radius: 0.25rem;
    transform: translateY(-200%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    min-height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: 0.75rem clamp(1rem, 3vw, 2rem);
    color: #ffffff;
    background: var(--color-primary-dark);
    border-bottom: 4px solid var(--color-primary);
}

.site-header__brand,
.site-header__user {
    display: flex;
    flex-direction: column;
}

.site-header__eyebrow,
.site-header__user-label {
    color: #c9dae5;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.site-header__title {
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 700;
}

.site-header__user {
    align-items: flex-end;
    text-align: right;
}

.application-shell {
    width: min(100%, 96rem);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: clamp(1.25rem, 3vw, 2.5rem);
    padding: clamp(1rem, 3vw, 2rem);
}

.sidebar {
    align-self: start;
    position: sticky;
    top: 1rem;
    padding: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.navigation-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.navigation-list li + li {
    margin-top: 0.25rem;
}

.navigation-link {
    min-height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    color: var(--color-text);
    border-left: 4px solid transparent;
    border-radius: 0.2rem;
    text-decoration: none;
}

.navigation-link.is-active {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-left-color: var(--color-primary);
    font-weight: 700;
}

.navigation-link.is-disabled {
    color: var(--color-text-muted);
    cursor: not-allowed;
}

.navigation-badge {
    padding: 0.1rem 0.4rem;
    color: var(--color-text-muted);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
}

.logout-form {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.button {
    min-height: 2.75rem;
    padding: 0.6rem 1rem;
    color: #ffffff;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 0.25rem;
    cursor: pointer;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

.button:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.button--secondary {
    color: var(--color-primary-dark);
    background: var(--color-surface);
    border-color: #9baab5;
}

.button--secondary:hover {
    color: #ffffff;
}

.button--full {
    width: 100%;
}

.button--small {
    min-height: auto;
    display: inline-block;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    white-space: nowrap;
}

.button--danger {
    color: #ffffff;
    background: var(--color-error);
    border-color: var(--color-error);
}

.button--danger:hover {
    background: #6f1d1d;
    border-color: #6f1d1d;
}

.table-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.mobile-navigation {
    display: none;
}

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

.page-heading {
    margin-bottom: 1.5rem;
}

.page-heading h1 {
    margin: 0;
    color: var(--color-primary-dark);
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    line-height: 1.2;
}

.page-heading p {
    margin: 0.4rem 0 0;
    color: var(--color-text-muted);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.card {
    min-width: 0;
    padding: clamp(1rem, 2vw, 1.4rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.card--wide {
    grid-column: 1 / -1;
}

.card--status {
    border-top: 4px solid var(--color-primary);
}

.card--warning {
    background: var(--color-warning-background);
    border-color: var(--color-warning-border);
}

.card__label {
    margin: 0 0 0.45rem;
    color: var(--color-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.035em;
    text-transform: uppercase;
}

.card h2 {
    margin: 0;
    color: var(--color-primary-dark);
    font-size: 1.2rem;
}

.card p:last-child {
    margin-bottom: 0;
}

.placeholder-text {
    color: var(--color-text-muted);
}

.role-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0 0;
    padding: 0;
    list-style: none;
}

.role-list li {
    padding: 0.25rem 0.6rem;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border: 1px solid #bfd3df;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
}

.auth-main {
    width: min(100% - 2rem, 30rem);
    margin: clamp(2rem, 8vh, 5rem) auto;
}

.auth-card {
    padding: clamp(1.25rem, 4vw, 2rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.auth-card h1 {
    margin: 0;
    color: var(--color-primary-dark);
    font-size: 1.65rem;
}

.auth-card__intro {
    margin: 0.4rem 0 1.5rem;
    color: var(--color-text-muted);
}

.form-field {
    margin-bottom: 1.1rem;
}

.form-field label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 700;
}

.form-field input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.55rem 0.7rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid #8e9da8;
    border-radius: 0.25rem;
}

.message--error {
    margin: 1rem 0;
    padding: 0.75rem;
    color: var(--color-error);
    background: var(--color-error-background);
    border-left: 4px solid var(--color-error);
}

.message--success {
    margin: 1rem 0;
    padding: 0.75rem;
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-left: 4px solid var(--color-primary);
}

.page-heading--actions {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
}

.form-card {
    padding: clamp(1rem, 3vw, 1.5rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1rem;
}

.form-field--wide {
    grid-column: 1 / -1;
}

.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.55rem 0.7rem;
    color: var(--color-text);
    background: var(--color-surface);
    border: 1px solid #8e9da8;
    border-radius: 0.25rem;
}

.form-field textarea {
    min-height: 7rem;
    resize: vertical;
}

.form-field select:focus-visible,
.form-field textarea:focus-visible {
    outline: 3px solid var(--color-focus);
    outline-offset: 3px;
}

.form-help {
    margin: 0.35rem 0 0;
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.form-actions__danger {
    margin-right: auto;
}

.confirmation-card {
    padding: clamp(1rem, 3vw, 1.5rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-error);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.confirmation-card h2 {
    margin-top: 0;
    color: var(--color-primary-dark);
}

.confirmation-details {
    margin: 1.25rem 0;
}

.confirmation-details div {
    display: grid;
    grid-template-columns: minmax(8rem, 25%) minmax(0, 1fr);
    gap: 1rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--color-border);
}

.confirmation-details dt {
    color: var(--color-text-muted);
    font-weight: 700;
}

.confirmation-details dd {
    margin: 0;
}

.confirmation-warning {
    padding: 0.8rem;
    color: var(--color-error);
    background: var(--color-error-background);
    border-left: 4px solid var(--color-error);
}

.site-footer {
    padding: 1.25rem 1rem 2rem;
    color: var(--color-text-muted);
    text-align: center;
    font-size: 0.8rem;
}

.schedule-table-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.schedule-table caption {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.schedule-table th,
.schedule-table td {
    padding: 0.8rem 0.7rem;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
    overflow-wrap: anywhere;
}

.schedule-table th {
    color: var(--color-primary-dark);
    background: var(--color-surface-subtle);
    font-size: 0.78rem;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.schedule-table tbody tr:last-child td {
    border-bottom: 0;
}

.schedule-table tbody tr.is-current td {
    background: var(--color-primary-soft);
}

.schedule-table tbody tr.is-unoccupied td {
    background: var(--color-warning-background);
}

.schedule-table tbody tr.is-current td:first-child {
    box-shadow: inset 4px 0 0 var(--color-primary);
}

.schedule-table tbody tr.is-unoccupied td:first-child {
    box-shadow: inset 4px 0 0 var(--color-warning);
}

.status-badge {
    display: inline-block;
    margin: 0 0.25rem 0.25rem 0;
    padding: 0.15rem 0.45rem;
    color: var(--color-text);
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.status-badge--aktuell {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-color: #a9c7d9;
}

.status-badge--vergangen {
    color: var(--color-text-muted);
}

.status-badge--unoccupied {
    color: var(--color-warning);
    background: var(--color-warning-background);
    border-color: var(--color-warning-border);
}

.status-badge--warning {
    color: var(--color-warning);
    background: var(--color-warning-background);
    border-color: var(--color-warning-border);
}

.planning-warning-panel {
    margin-bottom: 1rem;
    padding: 1rem 1.15rem;
    color: var(--color-text);
    background: var(--color-warning-background);
    border: 1px solid var(--color-warning-border);
    border-left: 4px solid var(--color-warning);
    border-radius: 0.4rem;
}

.planning-warning-panel h2 {
    margin-top: 0;
}

.planning-warning-panel p:last-child,
.planning-warning-list {
    margin-bottom: 0;
}

.planning-warning-list {
    padding-left: 1.25rem;
}

.schedule-table tbody tr.has-planning-warning td:first-child {
    box-shadow: inset 4px 0 0 var(--color-warning);
}

.optional-value {
    color: var(--color-text-muted);
}

.schedule-table tbody tr.is-inactive td {
    color: var(--color-text-muted);
    background: var(--color-surface-subtle);
}

.status-badge--active {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-color: #a9c7d9;
}

.status-badge--inactive {
    color: var(--color-text-muted);
    background: var(--color-surface-subtle);
}

.role-selection {
    margin: 0 0 1.1rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0.25rem;
}

.role-selection legend {
    padding: 0 0.35rem;
    font-weight: 700;
}

.role-selection label {
    display: block;
    padding: 0.3rem 0;
}

.assignment-list {
    padding-left: 1.25rem;
}

.assignment-list li + li {
    margin-top: 0.5rem;
}

.audit-list {
    display: grid;
    gap: 1rem;
}

.audit-entry {
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.4rem;
    box-shadow: var(--shadow-subtle);
}

.audit-entry__summary {
    display: grid;
    grid-template-columns: 1.25fr 1.25fr 1.2fr 1fr 0.65fr;
    gap: 1rem;
    padding: 1rem 1.15rem;
}

.audit-entry__summary > div {
    min-width: 0;
}

.audit-entry__label,
.audit-change__state {
    display: block;
    margin-bottom: 0.2rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.audit-entry__details {
    padding: 0.8rem 1.15rem 1rem;
    border-top: 1px solid var(--color-border);
}

.audit-entry__details summary {
    width: fit-content;
    color: var(--color-primary-dark);
    font-weight: 700;
    cursor: pointer;
}

.audit-changes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin: 1rem 0 0;
}

.audit-change {
    padding: 0.8rem;
    background: var(--color-surface-subtle);
    border: 1px solid var(--color-border);
    border-radius: 0.3rem;
}

.audit-change dt {
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.audit-change dd {
    margin: 0.45rem 0 0;
    overflow-wrap: anywhere;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (max-width: 48rem) {
    .audit-entry__summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .audit-changes {
        grid-template-columns: 1fr;
    }
    .site-header {
        align-items: flex-start;
        gap: 1rem;
    }

    .site-header__user {
        max-width: 45%;
    }

    .application-shell {
        display: block;
    }

    .sidebar {
        display: none;
    }

    .mobile-navigation {
        display: block;
        margin-bottom: 1.25rem;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 0.4rem;
        box-shadow: var(--shadow-subtle);
    }

    .mobile-navigation summary {
        padding: 0.8rem 1rem;
        color: var(--color-primary-dark);
        cursor: pointer;
        font-weight: 700;
    }

    .mobile-navigation__content {
        padding: 0 1rem 1rem;
        border-top: 1px solid var(--color-border);
    }

    .mobile-navigation__content nav {
        padding-top: 0.75rem;
    }
}

@media (max-width: 36rem) {
    .audit-entry__summary {
        grid-template-columns: 1fr;
    }

    .pagination {
        flex-wrap: wrap;
    }

    .site-header {
        display: block;
    }

    .site-header__user {
        max-width: none;
        align-items: flex-start;
        margin-top: 0.65rem;
        text-align: left;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .card--wide {
        grid-column: auto;
    }

    .page-heading--actions {
        align-items: stretch;
        flex-direction: column;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-field--wide {
        grid-column: auto;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions__danger {
        margin-right: 0;
    }

    .confirmation-details div {
        display: block;
    }

    .confirmation-details dd {
        margin-top: 0.2rem;
    }

    .schedule-table-container {
        background: transparent;
        border: 0;
        box-shadow: none;
    }

    .schedule-table,
    .schedule-table tbody,
    .schedule-table tr,
    .schedule-table td {
        display: block;
        width: 100%;
    }

    .schedule-table thead {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
    }

    .schedule-table tbody tr {
        margin-bottom: 1rem;
        padding: 0.4rem 0;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 0.4rem;
        box-shadow: var(--shadow-subtle);
    }

    .schedule-table th,
    .schedule-table td,
    .schedule-table tbody tr:last-child td {
        border-bottom: 1px solid var(--color-border);
    }

    .schedule-table td {
        display: grid;
        grid-template-columns: minmax(6.5rem, 38%) minmax(0, 1fr);
        gap: 0.75rem;
        padding: 0.65rem 0.8rem;
    }

    .schedule-table td::before {
        content: attr(data-label);
        color: var(--color-text-muted);
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.025em;
        text-transform: uppercase;
    }

    .schedule-table td:last-child {
        border-bottom: 0;
    }

    .schedule-table tbody tr.is-current td:first-child,
    .schedule-table tbody tr.is-unoccupied td:first-child,
    .schedule-table tbody tr.has-planning-warning td:first-child {
        box-shadow: none;
    }

    .schedule-table tbody tr.is-current {
        border-left: 4px solid var(--color-primary);
    }

    .schedule-table tbody tr.is-unoccupied {
        border-left: 4px solid var(--color-warning);
    }

    .schedule-table tbody tr.has-planning-warning {
        border-left: 4px solid var(--color-warning);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
    }
}