.optimization-page {
    --opt-radius: 1rem;
    --opt-media-w: 9.5rem;
}

.optimization-grid {
    display: grid;
    gap: 0.875rem;
}

@media (min-width: 768px) {
    .optimization-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
    }
}

.optimization-card {
    display: flex;
    width: 100%;
    min-height: 8.75rem;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: var(--opt-radius);
    background: var(--color-panel);
    text-align: start;
    cursor: pointer;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.optimization-card:hover {
    border-color: color-mix(in oklab, var(--color-brand) 45%, var(--color-line));
    box-shadow: 0 10px 28px -18px color-mix(in oklab, var(--color-ink) 45%, transparent);
    transform: translateY(-1px);
}

.optimization-card:focus-visible {
    outline: 2px solid var(--color-brand);
    outline-offset: 2px;
}

.optimization-card__media {
    position: relative;
    width: var(--opt-media-w);
    min-width: var(--opt-media-w);
    flex-shrink: 0;
    overflow: hidden;
    background: var(--color-soft);
}

.optimization-card__media.is-optimization {
    background: linear-gradient(160deg, color-mix(in oklab, var(--color-brand) 18%, var(--color-soft)), var(--color-soft));
}

.optimization-card__media.is-educational {
    background: linear-gradient(160deg, color-mix(in oklab, #0ea5e9 16%, var(--color-soft)), var(--color-soft));
}

.optimization-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.optimization-card__placeholder {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
}

.optimization-card__body {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.95rem 1rem;
}

.optimization-card__badge {
    display: inline-flex;
    width: fit-content;
    border-radius: 999px;
    padding: 0.15rem 0.55rem;
    font-size: 0.65rem;
    font-weight: 700;
}

.optimization-card__badge.is-optimization {
    background: var(--color-brand-soft);
    color: var(--color-brand-dark);
}

.optimization-card__badge.is-educational {
    background: color-mix(in oklab, #0ea5e9 16%, var(--color-soft));
    color: #0369a1;
}

.dark .optimization-card__badge.is-educational {
    color: #7dd3fc;
}

.optimization-card__title {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1.45;
    color: var(--color-ink);
}

.optimization-card__summary {
    margin: 0;
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--color-muted);
}

.optimization-card__cta {
    margin-top: auto;
    padding-top: 0.35rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-brand-dark);
}

@media (max-width: 420px) {
    .optimization-page {
        --opt-media-w: 7.25rem;
    }

    .optimization-card {
        min-height: 7.5rem;
    }

    .optimization-card__body {
        padding: 0.8rem;
    }
}

/* Modal */
.optimization-modal {
    position: fixed;
    inset: 0;
    z-index: 80;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

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

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

.optimization-modal__backdrop {
    position: absolute;
    inset: 0;
    background: color-mix(in oklab, #0f172a 55%, transparent);
    backdrop-filter: blur(2px);
    animation: opt-fade-in 0.2s ease;
}

.optimization-modal__dialog {
    position: relative;
    z-index: 1;
    display: flex;
    width: min(34rem, 100%);
    max-height: min(88vh, 40rem);
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--color-line);
    border-radius: 1.15rem;
    background: var(--color-panel);
    box-shadow: 0 24px 60px -28px color-mix(in oklab, #000 55%, transparent);
    animation: opt-pop-in 0.22s ease;
}

.optimization-modal__close {
    position: absolute;
    top: 0.75rem;
    inset-inline-start: 0.75rem;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.75rem;
    border: 1px solid var(--color-line);
    background: color-mix(in oklab, var(--color-panel) 88%, transparent);
    color: var(--color-muted);
    cursor: pointer;
}

.optimization-modal__close:hover {
    color: var(--color-ink);
    background: var(--color-soft);
}

.optimization-modal__media {
    height: 11rem;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--color-soft);
}

.optimization-modal__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.optimization-modal__content {
    overflow-y: auto;
    padding: 1.25rem 1.25rem 1.5rem;
}

.optimization-modal__badge {
    display: inline-flex;
    border-radius: 999px;
    background: var(--color-brand-soft);
    padding: 0.2rem 0.65rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-brand-dark);
}

.optimization-modal__title {
    margin: 0.75rem 0 0;
    font-size: 1.15rem;
    font-weight: 800;
    line-height: 1.5;
    color: var(--color-ink);
}

.optimization-modal__body {
    margin-top: 0.85rem;
    font-size: 0.875rem;
    line-height: 1.9;
    white-space: pre-line;
    color: var(--color-muted);
}

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

@keyframes opt-pop-in {
    from {
        opacity: 0;
        transform: translateY(0.75rem) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .optimization-card,
    .optimization-modal__backdrop,
    .optimization-modal__dialog {
        animation: none;
        transition: none;
    }
}