:root {
    --color-bg: #f4f6f8;
    --color-surface: #ffffff;
    --color-text: #1d2733;
    --color-muted: #5b6774;
    --color-border: #d5dbe1;
    --color-primary: #0b5cad;
    --color-primary-text: #ffffff;
    --color-error: #b3261e;
    --color-error-bg: #fdecea;
    --color-success: #1e6b34;
    --color-success-bg: #e7f4ea;
    --color-info-bg: #e8f1fb;
    --radius: 6px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #12171d;
        --color-surface: #1b222b;
        --color-text: #e6eaee;
        --color-muted: #a3adb8;
        --color-border: #35404c;
        --color-primary: #6aa9ec;
        --color-primary-text: #0b1520;
        --color-error: #f2948d;
        --color-error-bg: #3a1d1b;
        --color-success: #8fd3a0;
        --color-success-bg: #18301f;
        --color-info-bg: #1a2a3b;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
}

.site-header,
.site-footer {
    padding: var(--space-3);
}

.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.brand {
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text);
}

.brand span {
    font-weight: 400;
    color: var(--color-muted);
}

main {
    flex: 1;
    width: 100%;
    max-width: 60rem;
    margin: 0 auto;
    padding: var(--space-4) var(--space-3);
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

.site-footer a {
    display: inline-block;
    min-height: 44px;
    line-height: 44px;
    color: var(--color-muted);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.narrow {
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: 1.5rem;
    margin-top: 0;
}

h2 {
    font-size: 1.25rem;
    margin-top: 0;
}

h3 {
    font-size: 1.05rem;
}

fieldset {
    border: 0;
    padding: 0;
    margin: 0 0 var(--space-3);
}

legend {
    font-weight: 600;
    margin-bottom: var(--space-2);
}

label {
    display: block;
    margin-bottom: var(--space-3);
}

input,
select {
    display: block;
    width: 100%;
    min-height: 44px;
    margin-top: var(--space-1);
    padding: var(--space-2);
    font: inherit;
    color: inherit;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

input[aria-invalid="true"] {
    border-color: var(--color-error);
}

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

.check input {
    width: 1.5rem;
    min-height: 1.5rem;
    height: 1.5rem;
    margin: 0;
    flex: none;
}

.row {
    display: flex;
    gap: var(--space-3);
}

.row > label {
    flex: 1;
}

.row > .zip {
    flex: 0 0 8rem;
}

.field-error {
    display: block;
    color: var(--color-error);
    font-size: 0.9rem;
    margin-top: var(--space-1);
}

button,
.button {
    display: inline-block;
    min-height: 44px;
    padding: var(--space-2) var(--space-4);
    font: inherit;
    font-weight: 600;
    color: var(--color-primary-text);
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
}

button.secondary {
    color: var(--color-primary);
    background: transparent;
}

button:disabled {
    opacity: 0.6;
    cursor: wait;
}

.notice {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    background: var(--color-info-bg);
}

.notice.error {
    color: var(--color-error);
    background: var(--color-error-bg);
}

.notice.success {
    color: var(--color-success);
    background: var(--color-success-bg);
}

.hint {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.mono {
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.facts {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: var(--space-1) var(--space-3);
}

.facts dt {
    color: var(--color-muted);
}

.facts dd {
    margin: 0;
}

.mandate-text {
    font-size: 0.9rem;
    padding: var(--space-3);
    margin-bottom: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.toolbar h1 {
    margin: 0;
}

.toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.tabs a {
    display: inline-block;
    min-height: 44px;
    padding: var(--space-2) var(--space-3);
    text-decoration: none;
    color: var(--color-muted);
    border-bottom: 3px solid transparent;
}

.tabs a[aria-current="page"] {
    color: var(--color-text);
    border-bottom-color: var(--color-primary);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-3);
}

th,
td {
    text-align: left;
    padding: var(--space-2);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.steps li {
    margin-bottom: var(--space-2);
}

.steps li[data-state]::after {
    margin-left: var(--space-2);
    color: var(--color-muted);
}

.steps li[data-state="running"]::after {
    content: "läuft …";
}

.steps li[data-state="done"]::after {
    content: "✓";
    color: var(--color-success);
}

.steps li[data-state="failed"]::after {
    content: "fehlgeschlagen";
    color: var(--color-error);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
}

@media (max-width: 40rem) {
    .row {
        flex-direction: column;
        gap: 0;
    }

    .row > .zip {
        flex-basis: auto;
    }

    .card {
        padding: var(--space-3);
    }

    table {
        display: block;
        overflow-x: auto;
    }
}