/* Problem Selector Tabs – 668926a6 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@300;400&display=swap');

.pst-668926a6-wrap {
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;
}

.pst-668926a6-wrap *,
.pst-668926a6-wrap *::before,
.pst-668926a6-wrap *::after {
    box-sizing: border-box;
}

.pst-668926a6-grid {
    display: flex;
    gap: 48px;
    align-items: stretch;
}

/* ── Left List ── */
.pst-668926a6-list {
    flex: 0 0 40%;
    display: flex;
    flex-direction: column;
    border-top: 1px solid #dcded8;
}

.pst-668926a6-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 20px;
    border-bottom: 1px solid #dcded8;
    cursor: pointer;
    transition: background-color 0.25s ease;
}

.pst-668926a6-item:hover {
    background-color: #f0f2ec;
}

.pst-668926a6-item.pst-active {
    background-color: #eaf4e7;
}

.pst-668926a6-item-title {
    font-size: 22px;
    font-weight: 700;
    color: #121619;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.pst-668926a6-item-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 300;
    color: #9a9c98;
    flex-shrink: 0;
    margin-left: 16px;
}

/* ── Right Card ── */
.pst-668926a6-card {
    flex: 1 1 0%;
    background-color: #111312;
    border-radius: 14px;
    position: relative;
    overflow: hidden;
}

.pst-668926a6-card-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 52px 50px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.pst-668926a6-card-content.pst-visible {
    opacity: 1;
    visibility: visible;
}

.pst-668926a6-card-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: #b7efbd;
    margin-bottom: 24px;
    display: block;
}

.pst-668926a6-card-heading {
    font-family: 'Inter', sans-serif;
    font-size: 42px;
    font-weight: 800;
    color: #f1f1ee;
    margin: 0 0 24px 0;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.pst-668926a6-card-desc {
    font-family: 'Inter', sans-serif;
    font-size: 17px;
    font-weight: 400;
    color: #b0b0ab;
    line-height: 1.7;
    margin: 0 0 40px 0;
    max-width: 460px;
}

/* ── CTA ── */
.pst-668926a6-card-cta-wrap {
    margin-top: auto;
    align-self: flex-start;
    display: inline-flex;
    flex-direction: column;
}

.pst-668926a6-card-cta {
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: #f1f1ee;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    transition: opacity 0.2s ease;
}

.pst-668926a6-card-cta:hover {
    opacity: 0.8;
    color: #f1f1ee;
}

.pst-668926a6-card-cta-line {
    display: block;
    width: 100%;
    height: 1px;
    background-color: rgba(241, 241, 238, 0.4);
}

.pst-668926a6-cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    line-height: 1;
}

.pst-668926a6-cta-icon svg {
    width: 14px;
    height: 14px;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .pst-668926a6-grid {
        flex-direction: column;
        gap: 28px;
    }
    .pst-668926a6-list {
        flex: 1 1 auto;
    }
    .pst-668926a6-card {
        flex: 1 1 auto;
        min-height: 360px;
    }
    .pst-668926a6-card-heading {
        font-size: 32px;
    }
    .pst-668926a6-card-content {
        padding: 40px 36px;
    }
}

@media (max-width: 767px) {
    .pst-668926a6-grid {
        gap: 20px;
    }
    .pst-668926a6-item {
        padding: 16px 14px;
    }
    .pst-668926a6-item-title {
        font-size: 17px;
    }
    .pst-668926a6-card {
        min-height: 300px;
    }
    .pst-668926a6-card-content {
        padding: 32px 24px;
    }
    .pst-668926a6-card-heading {
        font-size: 26px;
    }
    .pst-668926a6-card-desc {
        font-size: 15px;
        margin-bottom: 28px;
    }
}