.button,
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
    align-items: center;
    appearance: none;
    background: var(--color-brand-800);
    border: 0.1rem solid var(--color-brand-800);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    cursor: pointer;
    display: inline-flex;
    font-size: 1.35rem;
    font-weight: 700;
    justify-content: center;
    letter-spacing: 0.045em;
    line-height: 1.2;
    min-height: 4.4rem;
    padding: 1.1rem 1.8rem;
    text-decoration: none;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="reset"]:hover,
input[type="submit"]:hover {
    background: var(--color-brand-950);
    border-color: var(--color-brand-950);
    color: var(--color-white);
}

.button:active,
button:active {
    transform: translateY(0.1rem);
}

.button--secondary {
    background: transparent;
    border-color: var(--color-brand-700);
    color: var(--color-brand-700);
}

.button--secondary:hover {
    background: var(--color-accent-100);
    border-color: var(--color-brand-900);
    color: var(--color-brand-900);
}

.button--danger {
    background: transparent;
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.button--danger:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-white);
}

.action-group,
.photo-card-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.action-group .button,
.action-group button {
    margin: 0;
}

@media (max-width: 48rem) {
    .action-group--stack-mobile {
        align-items: stretch;
        flex-direction: column;
        width: 100%;
    }

    .action-group--stack-mobile .button {
        width: 100%;
    }
}