.abz-wrapper {
    --abz-primary: #155eef;
    --abz-primary-dark: #0b4acb;
    --abz-text: #17202a;
    --abz-muted: #5d6875;
    --abz-border: #d9e0e8;
    --abz-surface: #ffffff;
    --abz-soft: #f5f8fc;
    --abz-success: #0d7a55;
    max-width: 920px;
    margin: 24px auto;
    color: var(--abz-text);
    background: var(--abz-surface);
    border: 1px solid var(--abz-border);
    border-radius: 16px;
    box-shadow: 0 12px 34px rgba(23, 32, 42, 0.08);
    overflow: hidden;
}

.abz-intro {
    padding: 28px 30px 22px;
    background: linear-gradient(135deg, #eef5ff 0%, #ffffff 72%);
    border-bottom: 1px solid var(--abz-border);
}

.abz-intro h2 {
    margin: 2px 0 10px;
    color: var(--abz-text);
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.2;
}

.abz-intro p {
    max-width: 760px;
    margin: 0;
    color: var(--abz-muted);
    line-height: 1.6;
}

.abz-intro .abz-kicker {
    margin-bottom: 5px;
    color: var(--abz-primary-dark);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.abzinsungsrechner {
    padding: 28px 30px 30px;
}

.abz-mode {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin: 0 0 24px;
    padding: 0;
    border: 0;
}

.abz-mode legend {
    grid-column: 1 / -1;
    margin-bottom: 8px;
    font-weight: 700;
}

.abz-mode label {
    position: relative;
    display: flex;
    min-height: 54px;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--abz-soft);
    border: 1px solid var(--abz-border);
    border-radius: 10px;
    cursor: pointer;
}

.abz-mode label:has(input:checked) {
    background: #edf4ff;
    border-color: var(--abz-primary);
    box-shadow: 0 0 0 2px rgba(21, 94, 239, 0.09);
}

.abz-mode input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--abz-primary);
}

.abz-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.abz-field {
    min-width: 0;
}

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

.abz-field label {
    display: block;
    margin-bottom: 7px;
    font-weight: 700;
}

.abz-field small {
    display: block;
    margin-top: 6px;
    color: var(--abz-muted);
    line-height: 1.4;
}

.abz-field input:not([type="range"]),
.abz-field select {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    color: var(--abz-text);
    background: var(--abz-surface);
    border: 1px solid #aeb8c5;
    border-radius: 8px;
    font: inherit;
    box-sizing: border-box;
}

.abz-field input:focus,
.abz-field select:focus {
    outline: 3px solid rgba(21, 94, 239, 0.18);
    border-color: var(--abz-primary);
}

.abz-input-unit {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
}

.abz-input-unit input {
    grid-area: 1 / 1 / 2 / 3;
    padding-right: 52px !important;
}

.abz-input-unit span {
    z-index: 1;
    grid-area: 1 / 2;
    padding-right: 14px;
    color: var(--abz-muted);
    font-weight: 700;
    pointer-events: none;
}

.abz-range {
    width: 100%;
    margin: 12px 0 0;
    accent-color: var(--abz-primary);
}

.abz-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.abz-button {
    min-height: 46px;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 8px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.abz-button:hover {
    transform: translateY(-1px);
}

.abz-button:focus-visible {
    outline: 3px solid rgba(21, 94, 239, 0.25);
    outline-offset: 2px;
}

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

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

.abz-button-primary:disabled {
    cursor: wait;
    opacity: 0.75;
    transform: none;
}

.abz-button-secondary {
    color: var(--abz-text);
    background: #ffffff;
    border-color: var(--abz-border);
}

.abz-spinner {
    display: none;
    width: 15px;
    height: 15px;
    margin-left: 8px;
    vertical-align: -2px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: abz-spin 0.75s linear infinite;
}

.abz-button.is-loading .abz-spinner {
    display: inline-block;
}

.abz-status {
    min-height: 1.25em;
    margin: 12px 0 0;
    color: var(--abz-muted);
    font-size: 0.92rem;
}

.abz-output:empty {
    display: none;
}

.abz-result {
    margin-top: 18px;
    padding-top: 24px;
    border-top: 1px solid var(--abz-border);
}

.abz-result h3 {
    margin: 0 0 16px;
    font-size: 1.3rem;
}

.abz-result-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.abz-result-cards > div {
    padding: 16px;
    background: var(--abz-soft);
    border: 1px solid var(--abz-border);
    border-radius: 10px;
}

.abz-result-cards span {
    display: block;
    margin-bottom: 7px;
    color: var(--abz-muted);
    font-size: 0.88rem;
}

.abz-result-cards strong {
    display: block;
    color: var(--abz-success);
    font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.abz-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--abz-border);
    border-radius: 10px;
}

.abz-result table {
    width: 100%;
    margin: 0;
    border-collapse: collapse;
    background: #ffffff;
}

.abz-result th,
.abz-result td {
    padding: 11px 13px;
    text-align: right;
    border-bottom: 1px solid var(--abz-border);
    white-space: nowrap;
}

.abz-result th:first-child,
.abz-result td:first-child {
    text-align: left;
}

.abz-result tr:last-child th,
.abz-result tr:last-child td {
    border-bottom: 0;
}

.abz-result thead th {
    background: var(--abz-soft);
}

.abz-alert {
    margin-top: 18px;
    padding: 13px 15px;
    border-radius: 9px;
    line-height: 1.5;
}

.abz-alert-info {
    color: #203b5d;
    background: #eef6ff;
    border: 1px solid #c9def8;
}

.abz-alert-error {
    color: #7b1e20;
    background: #fff2f2;
    border: 1px solid #f1c1c2;
}

.abz-alert-error ul {
    margin: 7px 0 0;
    padding-left: 20px;
}

.abz-formula,
.abz-meta,
.abz-source {
    margin: 13px 0 0;
    color: var(--abz-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.abz-legal {
    padding: 16px 30px;
    color: var(--abz-muted);
    background: var(--abz-soft);
    border-top: 1px solid var(--abz-border);
    font-size: 0.88rem;
}

.abz-legal p {
    margin: 0;
}

.abz-wrapper [hidden] {
    display: none !important;
}

.tr {
    padding-right: 5px;
    text-align: right;
}

.tc {
    text-align: center;
}

.bb,
.fb {
    font-weight: 700;
}

.red {
    color: #b42318;
}

@keyframes abz-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 680px) {
    .abz-wrapper {
        margin: 16px 0;
        border-radius: 12px;
    }

    .abz-intro,
    .abzinsungsrechner {
        padding-right: 18px;
        padding-left: 18px;
    }

    .abz-mode,
    .abz-grid,
    .abz-result-cards {
        grid-template-columns: 1fr;
    }

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

    .abz-actions {
        flex-direction: column;
    }

    .abz-button {
        width: 100%;
    }

    .abz-result th,
    .abz-result td {
        padding: 10px;
        font-size: 0.9rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .abz-button {
        transition: none;
    }

    .abz-button:hover {
        transform: none;
    }
}