.onboarding-modal {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.onboarding-modal[hidden] {
    display: none;
}

.onboarding-modal.is-open {
    display: flex;
}

.onboarding-modal__backdrop {
    position: absolute;
    inset: 0;
    background: color-mix(in oklab, #0f172a 62%, transparent);
    backdrop-filter: blur(6px);
    animation: onboarding-fade-in 0.25s ease;
}

.onboarding-modal__dialog {
    position: relative;
    z-index: 1;
    display: flex;
    width: min(28rem, 100%);
    max-height: min(92vh, 42rem);
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: 1.35rem;
    background: var(--color-panel);
    box-shadow:
        0 28px 70px -32px color-mix(in oklab, #000 60%, transparent),
        0 0 0 1px color-mix(in oklab, var(--color-brand) 8%, transparent);
    animation: onboarding-pop-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.onboarding-modal__skip {
    position: absolute;
    top: 0.85rem;
    inset-inline-start: 0.85rem;
    z-index: 2;
    border: none;
    background: transparent;
    padding: 0.35rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-muted);
    cursor: pointer;
    transition: color 0.2s ease;
}

.onboarding-modal__skip:hover {
    color: var(--color-ink);
}

.onboarding-modal__slides {
    position: relative;
    min-height: 22rem;
    padding: 3rem 1.25rem 1.25rem;
    overflow-y: auto;
}

.onboarding-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: onboarding-slide-in 0.32s ease;
}

.onboarding-slide[hidden] {
    display: none;
}

.onboarding-slide.is-active {
    display: flex;
}

.onboarding-slide__figure {
    width: 100%;
    max-width: 18.5rem;
    margin: 0 0 1rem;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid color-mix(in oklab, var(--color-brand) 18%, var(--color-line));
    box-shadow: 0 10px 28px -18px color-mix(in oklab, var(--color-ink) 35%, transparent);
}

.onboarding-slide__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.onboarding-slide__step {
    display: inline-flex;
    border-radius: 999px;
    background: var(--color-brand-soft);
    padding: 0.2rem 0.7rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-brand-dark);
}

.onboarding-slide__title {
    margin: 0.85rem 0 0;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.55;
    color: var(--color-ink);
}

.onboarding-slide__text {
    margin: 0.75rem 0 0;
    max-width: 22rem;
    font-size: 0.875rem;
    line-height: 1.9;
    color: var(--color-muted);
}

.onboarding-slide__actions {
    display: flex;
    width: 100%;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.onboarding-slide__cta {
    width: 100%;
    justify-content: center;
    padding-block: 0.75rem;
    font-size: 0.85rem;
}

.onboarding-modal__footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-top: 1px solid var(--color-line);
    padding: 1rem 1.25rem 1.25rem;
}

.onboarding-modal__dots {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
}

.onboarding-dot {
    width: 0.45rem;
    height: 0.45rem;
    border: none;
    border-radius: 999px;
    background: var(--color-line-strong);
    padding: 0;
    cursor: pointer;
    transition:
        width 0.25s ease,
        background-color 0.25s ease;
}

.onboarding-dot.is-active {
    width: 1.35rem;
    background: var(--color-brand);
}

.onboarding-modal__nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.onboarding-modal__prev,
.onboarding-modal__next,
.onboarding-modal__finish {
    min-width: 6.5rem;
}

.onboarding-modal__next,
.onboarding-modal__finish {
    margin-inline-start: auto;
}

@keyframes onboarding-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes onboarding-pop-in {
    from {
        opacity: 0;
        transform: translateY(1rem) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes onboarding-slide-in {
    from {
        opacity: 0;
        transform: translateX(0.75rem);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 420px) {
    .onboarding-modal__slides {
        min-height: 20rem;
        padding-inline: 1rem;
    }

    .onboarding-slide__figure {
        max-width: 100%;
        margin-bottom: 0.85rem;
        border-radius: 0.85rem;
    }

    .onboarding-slide__title {
        font-size: 1.05rem;
    }

    .onboarding-slide__text {
        font-size: 0.8125rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .onboarding-modal__backdrop,
    .onboarding-modal__dialog,
    .onboarding-slide {
        animation: none;
    }

    .onboarding-dot {
        transition: none;
    }
}