.rune-id-button {
    align-items: center;
    appearance: none;
    background: #ffffff;
    border: 1px solid #d0d7de;
    border-radius: 999px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(15, 23, 42, 0.08);
    color: #1f2937;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-weight: 600;
    gap: 12px;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    width: 100%;
}

.rune-id-button:hover {
    border-color: #9cbcff;
    box-shadow: 0 4px 12px rgba(31, 111, 235, 0.18), 0 18px 32px rgba(15, 23, 42, 0.12);
    transform: translateY(-1px);
}

.rune-id-button:focus-visible {
    outline: 3px solid rgba(31, 111, 235, 0.22);
    outline-offset: 2px;
}

.rune-id-button[disabled] {
    cursor: wait;
    opacity: 0.75;
    transform: none;
}

.rune-id-button__icon {
    display: inline-flex;
    flex: 0 0 20px;
    height: 20px;
    width: 20px;
}

.rune-id-button__icon img {
    display: block;
    height: 100%;
    width: 100%;
}

.rune-id-button__label {
    letter-spacing: -0.01em;
}

.auth-provider-note {
    color: #5b6470;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0.6rem 0 0;
    text-align: center;
}

.auth-mfa-grid {
    display: grid;
    gap: 12px;
}