.medicopter-donation-form {
    --medicopter-donation-border: #d8dee8;
    --medicopter-donation-surface: #ffffff;
    --medicopter-donation-muted: #5a6778;
    --medicopter-donation-text: #15263a;
    --medicopter-donation-accent: #d92f2f;
    --medicopter-donation-accent-dark: #b12323;
    --medicopter-donation-info: #edf5ff;
    --medicopter-donation-warning: #fff7e8;
    --medicopter-donation-shadow: 0 18px 42px rgba(21, 38, 58, 0.08);
    color: var(--medicopter-donation-text);
}

.medicopter-donation-form * {
    box-sizing: border-box;
}

.medicopter-donation-form__panel {
    width: 100%;
    max-width: 48rem;
    margin: 0 auto;
    padding: 1.25rem;
    border: 1px solid var(--medicopter-donation-border);
    border-radius: 1.25rem;
    background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
    box-shadow: var(--medicopter-donation-shadow);
}

.medicopter-donation-form__header {
    margin-bottom: 1.25rem;
}

.medicopter-donation-form__eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--medicopter-donation-accent);
}

.medicopter-donation-form__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    line-height: 1.2;
}

.medicopter-donation-form__intro,
.medicopter-donation-form__hint,
.medicopter-donation-form__privacy-link {
    color: var(--medicopter-donation-muted);
}

.medicopter-donation-form__body {
    display: grid;
    gap: 1rem;
}

.medicopter-donation-form__messages:empty {
    display: none;
}

.medicopter-donation-form__message {
    padding: 0.9rem 1rem;
    border-radius: 0.9rem;
    font-size: 0.95rem;
}

.medicopter-donation-form__message--error {
    background: #fff1f1;
    color: #8f1e1e;
}

.medicopter-donation-form__message--info {
    background: var(--medicopter-donation-info);
    color: #16446c;
}

.medicopter-donation-form__field {
    display: grid;
    gap: 0.45rem;
}

.medicopter-donation-form__field label,
.medicopter-donation-form__details summary {
    font-weight: 600;
}

.medicopter-donation-form__field input,
.medicopter-donation-form__field select {
    width: 100%;
    min-width: 0;
    min-height: 3rem;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--medicopter-donation-border);
    border-radius: 0.9rem;
    background: #fff;
    color: var(--medicopter-donation-text);
    font: inherit;
    line-height: 1.2;
}

.medicopter-donation-form__field select {
    appearance: auto;
    background-clip: padding-box;
    padding-right: 2.25rem;
}

.medicopter-donation-form__required {
    color: var(--medicopter-donation-accent);
    font-weight: 700;
}

.medicopter-donation-form__required.is-hidden {
    display: none;
}

.medicopter-donation-form__field input:focus,
.medicopter-donation-form__field select:focus,
.medicopter-donation-form__submit:focus,
.medicopter-donation-form__details summary:focus {
    outline: 2px solid transparent;
    border-color: #4f7fb7;
    box-shadow: 0 0 0 3px rgba(79, 127, 183, 0.2);
}

.medicopter-donation-form__amount-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.medicopter-donation-form__currency {
    padding: 0.85rem 1rem;
    border-radius: 0.9rem;
    background: #f4f6fb;
    border: 1px solid var(--medicopter-donation-border);
    font-weight: 700;
}

.medicopter-donation-form__details {
    border: 1px solid var(--medicopter-donation-border);
    border-radius: 1rem;
    padding: 0.9rem 1rem;
    background: #fafbfd;
}

.medicopter-donation-form__details summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    min-height: 2rem;
}

.medicopter-donation-form__details summary::-webkit-details-marker {
    display: none;
}

.medicopter-donation-form__details summary::before {
    content: '▸';
    display: inline-block;
    margin-right: 0.5rem;
    color: #3b5675;
    transform: translateY(-1px);
}

.medicopter-donation-form__details[open] {
    background: #f7f9fd;
}

.medicopter-donation-form__details[open] summary::before {
    content: '▾';
}

.medicopter-donation-form__details-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.medicopter-donation-form__field--full {
    grid-column: 1 / -1;
}

.medicopter-donation-form__footer {
    display: grid;
    gap: 1rem;
}

.medicopter-donation-form__privacy-link {
    text-decoration: underline;
    text-underline-offset: 0.16em;
}

.medicopter-donation-form__submit {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.95rem 1.2rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--medicopter-donation-accent), #f06a3d);
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.medicopter-donation-form__submit:hover,
.medicopter-donation-form__submit:focus {
    background: linear-gradient(135deg, var(--medicopter-donation-accent-dark), #d85029);
}

.medicopter-donation-form__submit[disabled] {
    opacity: 0.7;
    cursor: progress;
}

.medicopter-donation-form__submit-spinner {
    display: none;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: medicopter-donation-spin 0.7s linear infinite;
}

.medicopter-donation-form__submit.is-busy .medicopter-donation-form__submit-spinner {
    display: inline-block;
}

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

@media (min-width: 700px) {
    .medicopter-donation-form__panel {
        padding: 1.75rem;
    }

    .medicopter-donation-form__details-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .medicopter-donation-form__footer {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .medicopter-donation-form__submit {
        width: auto;
        min-width: 18rem;
    }
}