/* =========================================================
   Checkout-Rechner
========================================================= */

.page-checkout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
    background:
        radial-gradient(ellipse 70% 45% at 15% -5%, rgba(13, 188, 249, 0.12), transparent 55%),
        var(--primary-color);
}

.page-checkout h1 {
    font-size: clamp(2.2rem, 6vw, 3.5rem);
    line-height: 1.05;
    margin: 0;
    font-weight: 700;
    color: var(--main-brand-color);
}

.checkout-header {
    width: 100%;
    max-width: none;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 3vw, 1.5rem) 1.25rem;
}

.checkout-back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    justify-self: start;
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--secondary-text-color);
    transition: color 0.2s ease;
}

.checkout-back:hover {
    color: var(--main-brand-color);
}

.checkout-title-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.checkout-eyebrow {
    display: inline-block;
    margin: 0;
    padding: 0.35rem 0.85rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--main-brand-color);
    background: rgba(13, 188, 249, 0.12);
    border: 1px solid rgba(13, 188, 249, 0.35);
    border-radius: 999px;
    text-align: center;
}

.checkout-header h1 {
    text-align: center;
}

.checkout-lead {
    max-width: 36rem;
    margin: 0.75rem 0 0;
    text-align: center;
    color: var(--secondary-text-color);
    line-height: 1.65;
    font-size: 0.95rem;
}

@media (min-width: 768px) {
    .checkout-lead {
        max-width: none;
        white-space: nowrap;
    }
}

@media (min-width: 1024px) {
    .checkout-lead {
        font-size: 0.92rem;
    }
}

.checkout-main {
    flex: 1;
    width: min(48rem, calc(100% - 3rem));
    margin: 0 auto;
    padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-checkout .checkout-panel {
    padding: clamp(1.75rem, 3vw, 2.5rem);
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    background: rgba(35, 41, 51, 0.85);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.checkout-form {
    display: grid;
    gap: 0.65rem;
}

.checkout-form__label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-text-color);
}

.checkout-form__row {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.75rem;
    align-items: center;
}

.checkout-form__input {
    flex: 1 1 auto;
    min-width: 0;
    width: auto;
    height: 3rem;
    min-height: 3rem;
    padding: 0 1rem;
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: rgba(21, 23, 28, 0.75);
    color: var(--text-color);
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.2;
    box-sizing: border-box;
    -moz-appearance: textfield;
    appearance: textfield;
}

.checkout-form__input::-webkit-outer-spin-button,
.checkout-form__input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.checkout-form__input::placeholder {
    color: var(--secondary-text-color);
    opacity: 0.85;
}

.checkout-form__input:focus-visible {
    outline: 2px solid var(--main-brand-color);
    outline-offset: 2px;
    border-color: var(--main-brand-color);
}

.checkout-form__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    height: 3rem;
    min-height: 3rem;
    padding: 0 1.35rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 999px;
    border: 2px solid var(--main-brand-color);
    background: var(--main-brand-color);
    color: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(13, 188, 249, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
    white-space: nowrap;
}

.checkout-form__submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(13, 188, 249, 0.4);
}

.checkout-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1rem;
}

.checkout-quick__btn {
    min-width: 3.25rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid rgba(13, 188, 249, 0.35);
    border-radius: 999px;
    background: rgba(13, 188, 249, 0.08);
    color: var(--main-brand-color);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.checkout-quick__btn:hover {
    background: rgba(13, 188, 249, 0.16);
    border-color: rgba(13, 188, 249, 0.55);
    transform: translateY(-1px);
}

.checkout-result {
    margin-top: 1.25rem;
    padding: 1rem 1.15rem;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    background: rgba(21, 23, 28, 0.55);
    min-height: 4.5rem;
}

.checkout-result:empty {
    display: none;
}

.checkout-result__label {
    margin: 0 0 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary-text-color);
}

.checkout-result__route {
    margin: 0;
    font-size: clamp(1.35rem, 4vw, 1.85rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--main-brand-color);
    word-break: break-word;
}

.checkout-result__variant + .checkout-result__variant {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border-subtle);
}

.checkout-result__variant-label {
    margin: 0 0 0.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--secondary-text-color);
}

.checkout-result__variant-label--primary {
    color: var(--text-color);
}

.checkout-result__hint,
.checkout-result__text {
    margin: 0.55rem 0 0;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--secondary-text-color);
}

.checkout-result__text {
    margin-top: 0;
}

.checkout-result.is-success {
    border-color: rgba(13, 188, 249, 0.35);
    background: rgba(13, 188, 249, 0.08);
}

.checkout-result.is-error {
    border-color: rgba(255, 120, 120, 0.35);
    background: rgba(255, 120, 120, 0.08);
}

.checkout-footer-actions {
    width: min(48rem, calc(100% - 3rem));
    margin: 0 auto;
    padding: 0 0 clamp(1.5rem, 3vw, 2.5rem);
}

.checkout-footer-actions .checkout-back {
    margin-bottom: 0;
}

.page-checkout footer.footer {
    margin-top: 0;
}

@media (max-width: 767px), (max-width: 932px) and (max-height: 430px) {
    .checkout-header {
        width: calc(100% - 2rem);
        margin: 0 auto;
        padding: clamp(1.5rem, 4vw, 2rem) 0 1rem;
        box-sizing: border-box;
    }

    .checkout-header h1 {
        width: 100%;
        text-align: center;
    }

    .checkout-eyebrow {
        width: auto;
        max-width: 100%;
        text-align: center;
    }

    .checkout-main,
    .checkout-footer-actions {
        width: calc(100% - 2rem);
    }

    .page-checkout .checkout-panel {
        padding: 1.5rem 1.25rem;
        border-radius: 16px;
    }

    .checkout-form__input {
        font-size: max(16px, 1rem);
    }

    .checkout-form__submit {
        padding: 0 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 767px) and (orientation: portrait) {
    .checkout-quick {
        display: grid;
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 0.35rem;
    }

    .checkout-quick__btn {
        min-width: 0;
        width: 100%;
        padding: 0.4rem 0.15rem;
        font-size: clamp(0.62rem, 2.8vw, 0.78rem);
    }
}

@supports (-webkit-touch-callout: none) {
    @media (max-width: 932px) {
        .checkout-header {
            display: grid;
            justify-items: center;
            width: calc(100% - 2rem);
            margin-inline: auto;
        }

        .checkout-back {
            justify-self: start;
        }
    }
}