:root {
    color-scheme: light;

    --color-background: #f3f4f6;
    --color-surface: #ffffff;
    --color-surface-muted: #f9fafb;

    --color-text: #111827;
    --color-text-muted: #6b7280;

    --color-border: #d1d5db;
    --color-border-light: #e5e7eb;

    --color-navigation: #1f2937;
    --color-navigation-hover: #111827;

    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;

    --color-success-background: #dcfce7;
    --color-success-text: #166534;

    --color-error-background: #fee2e2;
    --color-error-text: #991b1b;

    --shadow-card:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 8px 24px rgba(0, 0, 0, 0.06);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    min-height: 100vh;
    margin: 0;

    display: flex;
    flex-direction: column;

    background-color: var(--color-background);
    color: var(--color-text);

    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.5;
}

a {
    color: inherit;
}

.application-header {
    background-color: var(--color-navigation);
    color: #ffffff;
}

.application-header-content {
    width: min(1200px, calc(100% - 2rem));
    min-height: 72px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.application-title {
    flex-shrink: 0;

    color: #ffffff;

    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.application-title:hover {
    color: #ffffff;
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navigation-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 40px;
    padding: 0.5rem 0.85rem;

    border-radius: 6px;

    color: #d1d5db;

    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;

    transition:
        background-color 0.2s ease,
        color 0.2s ease;
}

a.navigation-link:hover {
    background-color: var(--color-navigation-hover);
    color: #ffffff;
}

.navigation-link-active {
    background-color: #ffffff;
    color: var(--color-navigation);
}

a.navigation-link-active:hover {
    background-color: #f3f4f6;
    color: var(--color-navigation-hover);
}

.navigation-link-disabled {
    cursor: default;
    opacity: 0.45;
}

.page-content {
    width: min(1200px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2.5rem 0;

    flex: 1;
}

.page-heading {
    margin-bottom: 2rem;
}

.page-heading h1 {
    margin: 0 0 0.5rem;

    font-size: 2rem;
    line-height: 1.2;
}

.page-heading p {
    margin: 0;

    color: var(--color-text-muted);
}

.card {
    overflow: hidden;

    border: 1px solid var(--color-border-light);
    border-radius: 10px;

    background-color: var(--color-surface);
    box-shadow: var(--shadow-card);
}

.card-header {
    padding: 1.25rem 1.5rem;

    border-bottom: 1px solid var(--color-border-light);

    background-color: var(--color-surface-muted);
}

.card-header h2 {
    margin: 0;

    font-size: 1.1rem;
}

.card-body {
    padding: 1.5rem;
}

.status-list {
    margin: 0;
}

.status-row {
    display: grid;
    grid-template-columns: minmax(180px, 240px) 1fr;
    gap: 1rem;

    padding: 1rem 0;

    border-bottom: 1px solid var(--color-border-light);
}

.status-row:first-child {
    padding-top: 0;
}

.status-row:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.status-row dt {
    color: var(--color-text-muted);
    font-weight: 600;
}

.status-row dd {
    margin: 0;
}

.status-badge {
    display: inline-flex;
    align-items: center;

    padding: 0.25rem 0.65rem;

    border-radius: 999px;

    font-size: 0.875rem;
    font-weight: 700;
}

.status-badge-success {
    background-color: var(--color-success-background);
    color: var(--color-success-text);
}

.status-badge-error {
    background-color: var(--color-error-background);
    color: var(--color-error-text);
}

.error-message {
    margin-top: 1rem;
    padding: 1rem;

    border-radius: 6px;

    background-color: var(--color-error-background);
    color: var(--color-error-text);
}

.application-footer {
    border-top: 1px solid var(--color-border-light);
    background-color: var(--color-surface);
}

.application-footer-content {
    width: min(1200px, calc(100% - 2rem));
    min-height: 64px;
    margin: 0 auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;

    color: var(--color-text-muted);
    font-size: 0.875rem;
}

@media (max-width: 760px) {
    .application-header-content {
        padding: 1rem 0;

        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }

    .main-navigation {
        width: 100%;

        align-items: stretch;
        flex-direction: column;
    }

    .navigation-link {
        justify-content: flex-start;
    }

    .page-content {
        padding: 1.5rem 0;
    }

    .page-heading h1 {
        font-size: 1.6rem;
    }

    .status-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .application-footer-content {
        padding: 1rem 0;

        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 0.25rem;
    }
}

/* Vendor-Liste */
.page-heading-with-action,
.card-header-with-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.record-count {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
}

.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
}

.empty-state h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}

.empty-state p {
    max-width: 560px;
    margin: 0 auto;
    color: var(--color-text-muted);
}

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid var(--color-border-light);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    background-color: var(--color-surface-muted);
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

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

.data-table tbody tr:hover {
    background-color: var(--color-surface-muted);
}

.data-table a {
    color: var(--color-primary);
    text-decoration: none;
}

.data-table a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.data-table-primary {
    font-weight: 700;
}

@media (max-width: 760px) {
    .page-heading-with-action,
    .card-header-with-meta {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* Vendor anlegen */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0.6rem 1rem;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    text-decoration: none;
}

.button-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

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

.button-secondary {
    border-color: var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
}

.button-secondary:hover {
    background-color: var(--color-surface-muted);
}

.success-message {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-radius: 6px;
    background-color: var(--color-success-background);
    color: var(--color-success-text);
    font-weight: 600;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem 1.5rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

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

.form-field label {
    font-size: 0.9rem;
    font-weight: 700;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-surface);
    color: var(--color-text);
    font: inherit;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-field textarea {
    min-height: 120px;
    resize: vertical;
}

.form-field .input-error {
    border-color: var(--color-error-text);
}

.field-error {
    color: var(--color-error-text);
    font-size: 0.85rem;
    font-weight: 600;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border-light);
}

@media (max-width: 760px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

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

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

/* Vendor bearbeiten */
.data-table-actions {
    width: 1%;
    white-space: nowrap;
    text-align: right;
}

.button-small {
    min-height: 34px;
    padding: 0.4rem 0.7rem;
    font-size: 0.875rem;
}

/* Vendor archivieren */
.action-group {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
}

.action-group form {
    margin: 0;
}

.button-warning {
    border-color: #d97706;
    background-color: #ffffff;
    color: #b45309;
}

.button-warning:hover {
    background-color: #fffbeb;
    color: #92400e;
}

/* Archivierte Vendoren anzeigen */
.vendor-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.vendor-list-title {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.archive-filter label {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
}

.archive-filter input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

.archived-row {
    background-color: #f9fafb;
    color: var(--color-text-muted);
}

.archived-row:hover {
    background-color: #f3f4f6 !important;
}

.archived-row a {
    color: var(--color-text-muted);
}

.status-badge-archived {
    background-color: #e5e7eb;
    color: #4b5563;
}

.archived-date {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    white-space: nowrap;
}

@media (max-width: 760px) {
    .vendor-list-header,
    .vendor-list-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .vendor-list-title {
        gap: 0.35rem;
    }
}

/* Vendor wiederherstellen */
.archived-actions {
    align-items: flex-end;
    flex-direction: column;
}

/* Vertrag anlegen */
.form-field select {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-surface);
    color: var(--color-text);
    font: inherit;
}
.form-field select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.form-field-checkbox {
    justify-content: flex-end;
    padding-bottom: 0.7rem;
}
.form-field-checkbox label {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
}
.form-field-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

.button-danger { border-color: #b91c1c; background-color: #dc2626; color: #fff; }
.button-danger:hover { border-color: #991b1b; background-color: #b91c1c; color: #fff; }


/* Globale Suche */
.search-form {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
}
.search-form .form-field {
    flex: 1;
}
.search-summary {
    margin: 0 0 1rem;
    color: var(--color-text-muted);
}
@media (max-width: 760px) {
    .search-form {
        align-items: stretch;
        flex-direction: column;
    }
}


.search-limit-hint {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.search-result-mark,
mark {
    padding: 0.05em 0.15em;
    border-radius: 3px;
    background-color: #fef08a;
    color: inherit;
}


/* Anmeldung und Benutzerstatus */
.user-navigation {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: #ffffff;
    font-size: 0.875rem;
}
.user-navigation form { margin: 0; }
.user-navigation-name { font-weight: 700; }
.user-navigation-role {
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: rgba(255,255,255,0.14);
    color: #e5e7eb;
    font-size: 0.75rem;
    text-transform: uppercase;
}
.navigation-logout {
    padding: 0.4rem 0.65rem;
    border: 1px solid #6b7280;
    border-radius: 6px;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
}
.navigation-logout:hover { background: #111827; }
.login-shell {
    min-height: calc(100vh - 240px);
    display: grid;
    place-items: center;
}
.login-card { width: min(440px, 100%); }
.login-card h1 { margin: 0; font-size: 1.35rem; }
.login-form-grid { grid-template-columns: 1fr; }
.login-actions { justify-content: stretch; }
.login-actions .button { width: 100%; }
.login-error { margin-top: 0; margin-bottom: 1.25rem; }
@media (max-width: 760px) {
    .user-navigation { align-items: flex-start; flex-wrap: wrap; }
}


/* Benutzerverwaltung */
.user-status-inactive {
    background-color: #e5e7eb;
    color: #4b5563;
}
.user-role-badge {
    display: inline-flex;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    background-color: #e0e7ff;
    color: #3730a3;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}
.user-row-inactive {
    background-color: #f9fafb;
    color: var(--color-text-muted);
}


/* Fristenübersicht */
.deadline-sections {
    display: grid;
    gap: 1.5rem;
}
.deadline-section {
    border-left: 5px solid var(--color-border);
}
.deadline-section-overdue {
    border-left-color: #dc2626;
}
.deadline-section-urgent {
    border-left-color: #d97706;
}
.deadline-section-warning {
    border-left-color: #f59e0b;
}
.deadline-section-notice {
    border-left-color: #2563eb;
}
.deadline-section-later {
    border-left-color: #6b7280;
}
.deadline-days {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
}
.deadline-days-overdue {
    background-color: #fee2e2;
    color: #991b1b;
}
.deadline-days-urgent {
    background-color: #ffedd5;
    color: #9a3412;
}
.deadline-days-warning {
    background-color: #fef3c7;
    color: #92400e;
}
.deadline-days-notice {
    background-color: #dbeafe;
    color: #1e40af;
}
.deadline-days-later {
    background-color: #e5e7eb;
    color: #374151;
}
.deadline-empty {
    padding: 1.5rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Dashboard */
.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.dashboard-metric {
    display: flex;
    min-height: 130px;
    padding: 1.25rem;
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    flex-direction: column;
    justify-content: center;
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
    text-decoration: none;
}
a.dashboard-metric:hover { border-color: var(--color-primary); }
.dashboard-metric-value { font-size: 2rem; font-weight: 800; line-height: 1; }
.dashboard-metric-label { margin-top: 0.55rem; color: var(--color-text-muted); font-weight: 600; }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.dashboard-section { margin-top: 1.5rem; }
.dashboard-status-list { display: grid; gap: 0.75rem; }
.dashboard-status {
    display: flex;
    padding: 0.8rem 1rem;
    border-radius: 7px;
    align-items: center;
    justify-content: space-between;
    background: var(--color-surface-muted);
    text-decoration: none;
}
.dashboard-status strong { font-size: 1.25rem; }
.dashboard-status-danger { background: #fee2e2; color: #991b1b; }
.dashboard-status-warning { background: #fef3c7; color: #92400e; }
.dashboard-status-notice { background: #dbeafe; color: #1e40af; }
.dashboard-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
@media (max-width: 900px) {
    .dashboard-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    .dashboard-metrics { grid-template-columns: 1fr; }
}


/* Audit-Log */
.audit-action { display: inline-flex; padding: 0.2rem 0.55rem; border-radius: 999px; background: #e0e7ff; color: #3730a3; font-size: 0.78rem; font-weight: 700; white-space: nowrap; }