.learn-catalog {
    width: min(100%, 1080px);
    margin: 0 auto;
    gap: 1.4rem;
}

.learn-catalog__hero {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: .45rem;
    padding: clamp(1.35rem, 3vw, 2.15rem);
    border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 95% 10%, rgb(15 118 110 / 15%), transparent 34%),
        linear-gradient(135deg, #fff 0%, #f7fffd 100%);
    box-shadow: var(--shadow-sm);
}

.learn-catalog__hero::after {
    content: "";
    position: absolute;
    right: -2.5rem;
    bottom: -4.5rem;
    width: 11rem;
    height: 11rem;
    border: 1.5rem solid rgb(15 118 110 / 6%);
    border-radius: 50%;
    pointer-events: none;
}

.learn-catalog__eyebrow {
    color: var(--primary);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.learn-catalog__title {
    position: relative;
    z-index: 1;
    max-width: 48rem;
    margin: 0;
    color: var(--text);
    font-size: clamp(1.9rem, 5vw, 3rem);
    line-height: 1.08;
    letter-spacing: -.025em;
    overflow-wrap: anywhere;
}

.learn-catalog__intro {
    position: relative;
    z-index: 1;
    margin: 0;
    color: var(--muted);
    font-size: clamp(.95rem, 2vw, 1.08rem);
}

.learn-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.learn-card-grid__item { min-width: 0; }

.learn-card {
    position: relative;
    display: grid;
    align-content: space-between;
    gap: 1.2rem;
    min-height: 9.25rem;
    height: 100%;
    padding: 1.2rem 1.25rem;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: linear-gradient(145deg, #fff 0%, #fbfefd 100%);
    color: var(--text);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.learn-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary), #38bdf8);
    opacity: .78;
}

.learn-card__topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.learn-card__code,
.learn-card__type {
    display: inline-flex;
    width: fit-content;
    max-width: calc(100% - 3rem);
    padding: .28rem .62rem;
    overflow: hidden;
    border: 1px solid rgb(15 118 110 / 16%);
    border-radius: var(--radius-pill);
    background: rgb(15 118 110 / 7%);
    color: var(--primary);
    font-size: .73rem;
    font-weight: 800;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.learn-card__arrow {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 50%;
    background: var(--surface-soft);
    color: var(--primary);
    font-size: 1.05rem;
    transition: transform .2s ease, background .2s ease, color .2s ease;
}

.learn-card__name {
    max-width: 34rem;
    font-size: clamp(1.03rem, 2.2vw, 1.22rem);
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.learn-card:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--primary) 38%, transparent);
    outline-offset: 3px;
}

.learn-card-grid__empty {
    grid-column: 1 / -1;
    display: grid;
    gap: .3rem;
    padding: 1.4rem;
    border: 1px dashed color-mix(in srgb, var(--primary) 35%, var(--border));
    border-radius: 18px;
    background: rgb(255 255 255 / 70%);
    color: var(--muted);
}

.learn-card-grid__empty strong { color: var(--text); }

.learn-breadcrumbs {
    margin: 0 0 var(--space-4) 0;
}

.learn-breadcrumbs__toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--primary);
    font-family: inherit;
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.learn-breadcrumbs__toggle:hover {
    border-color: var(--primary);
    background: var(--surface-soft);
}

.learn-breadcrumbs__toggle:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--primary) 30%, transparent);
    outline-offset: 2px;
}

.learn-breadcrumbs__chevron {
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.learn-breadcrumbs.is-open .learn-breadcrumbs__toggle {
    border-color: var(--primary);
}

.learn-breadcrumbs.is-open .learn-breadcrumbs__chevron {
    transform: rotate(180deg);
}

.learn-breadcrumbs__list {
    display: none;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    margin: var(--space-2) 0 0 0;
    padding: 0;
    list-style: none;
}

.learn-breadcrumbs.is-open .learn-breadcrumbs__list {
    display: flex;
}

.learn-breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.learn-breadcrumbs__item:not(:first-child)::before {
    content: "\203A";
    color: var(--muted);
    font-weight: 700;
    line-height: 1;
}

.learn-breadcrumbs__link,
.learn-breadcrumbs__current {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    text-decoration: none;
}

.learn-breadcrumbs__link {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--primary);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.learn-breadcrumbs__link:hover {
    border-color: var(--primary);
    background: var(--surface-soft);
    text-decoration: none;
}

.learn-breadcrumbs__link:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--primary) 30%, transparent);
    outline-offset: 2px;
}

.learn-breadcrumbs__current {
    background: rgba(15, 118, 110, 0.12);
    border: 1px solid rgba(15, 118, 110, 0.3);
    color: var(--primary);
}

@media (hover: hover) and (pointer: fine) {
    .learn-card:hover {
        transform: translateY(-4px);
        border-color: rgb(15 118 110 / 38%);
        background: linear-gradient(145deg, #fff 0%, #f3fffc 100%);
        box-shadow: 0 16px 35px rgb(15 23 42 / 12%);
        text-decoration: none;
    }

    .learn-card:hover .learn-card__arrow {
        transform: translateX(4px);
        background: var(--primary);
        color: #fff;
    }
}

@media (max-width: 700px) {
    .learn-catalog { gap: 1rem; }
    .learn-catalog__hero { padding: 1.2rem; border-radius: 18px; }
    .learn-card-grid { grid-template-columns: 1fr; gap: .75rem; }
    .learn-card { min-height: 7.8rem; padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    .learn-card,
    .learn-card__arrow {
        transition: none;
    }

    .learn-card:hover,
    .learn-card:hover .learn-card__arrow {
        transform: none;
    }
}

.assessment-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.assessment-panel__header {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.assessment-panel__stars {
    font-size: 1.15rem;
    color: var(--cta);
    letter-spacing: 0.1em;
}

.assessment-panel__label {
    font-size: var(--text-sm);
    color: var(--muted);
    font-weight: 700;
}

.assessment-panel__levels {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.assessment-level {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.assessment-level--passed {
    border-color: var(--success-border);
    background: var(--success-soft);
}

.assessment-level--blocked {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.06);
}

.assessment-level__info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.assessment-level__num {
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--text);
}

.assessment-level__name {
    font-size: 0.78rem;
    color: var(--muted);
    font-weight: 600;
}

.assessment-level__attempts {
    display: flex;
    gap: 0.3rem;
    flex-shrink: 0;
}

.assessment-level__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: transparent;
}

.assessment-level__dot--used {
    background: var(--muted);
    border-color: var(--muted);
}

.assessment-level__badge {
    font-size: 1.1rem;
    line-height: 1;
    color: var(--success-text);
    flex-shrink: 0;
}

.assessment-level__badge--blocked {
    color: #b91c1c;
}

.assessment-level__btn {
    border: none;
    background: var(--primary);
    color: #fff;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    flex-shrink: 0;
}

.assessment-level__btn:hover {
    background: var(--primary-hover);
}