:root {
    --bd-bg: #fff7f8;
    --bd-surface: #ffffff;
    --bd-surface-soft: #fff8f8;
    --bd-surface-alt: #fff1f3;

    --bd-text: #111827;
    --bd-text-soft: #6b7280;
    --bd-text-muted: #8b5a63;

    --bd-primary: #c1121f;
    --bd-primary-dark: #8f1020;
    --bd-secondary: #991b1b;
    --bd-accent: #ef4444;

    --bd-border: #edd5d9;
    --bd-border-strong: #deb7c0;

    --bd-shadow-sm: 0 12px 30px rgba(17, 24, 39, 0.05);
    --bd-shadow-md: 0 20px 50px rgba(17, 24, 39, 0.08);
    --bd-shadow-lg: 0 28px 70px rgba(193, 18, 31, 0.12);

    --bd-radius-xl: 28px;
    --bd-radius-lg: 22px;
    --bd-radius-md: 16px;
    --bd-radius-sm: 12px;
}

.blog-detail-page {
    display: block;
}

.blog-detail.card {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #ffffff 0%, #fffcfc 100%);
    border: 1px solid var(--bd-border);
    border-radius: var(--bd-radius-xl);
    box-shadow: var(--bd-shadow-md);
}

.blog-detail.card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--bd-primary) 0%, var(--bd-secondary) 58%, var(--bd-accent) 100%);
    z-index: 2;
}

.blog-detail__header {
    padding: 30px 30px 24px;
    border-bottom: 1px solid var(--bd-border);
    background:
        radial-gradient(circle at top right, rgba(193, 18, 31, 0.08), transparent 34%),
        linear-gradient(180deg, #ffffff 0%, #fffcfc 100%);
}

.blog-detail__header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.blog-detail__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 0 16px;
    border: 1px solid rgba(193, 18, 31, 0.14);
    border-radius: 999px;
    background: linear-gradient(180deg, #fffdfd 0%, #fff1f3 100%);
    color: var(--bd-primary);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.92);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.blog-detail__eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--bd-accent) 0%, #d71920 100%);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}

.blog-detail__date {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 14px;
    border: 1px solid var(--bd-border);
    border-radius: 999px;
    background: linear-gradient(180deg, #ffffff 0%, #fff8f8 100%);
    color: var(--bd-text-soft);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
}

.blog-detail__title {
    margin: 0;
    max-width: 940px;
    color: var(--bd-text);
    font-size: clamp(32px, 4vw, 50px);
    line-height: 1.06;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.blog-detail__lead {
    margin: 18px 0 0;
    max-width: 920px;
    color: var(--bd-text-soft);
    font-size: 18px;
    line-height: 1.84;
    font-weight: 500;
}

.blog-detail__intro {
    display: grid;
    grid-template-columns: minmax(280px, 420px) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
    padding: 28px 30px;
}

.blog-detail__media {
    margin: 0;
    position: sticky;
    top: 22px;
    overflow: hidden;
    border: 1px solid var(--bd-border);
    border-radius: 24px;
    background:
        linear-gradient(180deg, rgba(17, 24, 39, 0.02) 0%, rgba(17, 24, 39, 0.02) 100%),
        linear-gradient(135deg, #fff8f8 0%, #fff1f3 100%);
    box-shadow: var(--bd-shadow-sm);
}

.blog-detail__media img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 280px;
    max-height: 520px;
    object-fit: cover;
    object-position: center;
}

.blog-detail__intro-text {
    display: grid;
    gap: 18px;
    min-width: 0;
}

.blog-detail__summary-box,
.blog-detail__reading-box {
    padding: 22px;
    border: 1px solid var(--bd-border);
    border-radius: 22px;
    background: linear-gradient(180deg, #ffffff 0%, #fff8f8 100%);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.04);
}

.blog-detail__summary-box h2,
.blog-detail__reading-box h2 {
    margin: 0 0 12px;
    color: var(--bd-text);
    font-size: 22px;
    line-height: 1.2;
    font-weight: 850;
    letter-spacing: -0.02em;
}

.blog-detail__summary-box p {
    margin: 0;
    color: var(--bd-text-soft);
    font-size: 16px;
    line-height: 1.82;
}

.blog-detail__intro-content.prose,
.blog-detail__content.prose {
    color: var(--bd-text-soft);
    font-size: 16px;
    line-height: 1.9;
}

.blog-detail__intro-content.prose > :first-child,
.blog-detail__content.prose > :first-child {
    margin-top: 0;
}

.blog-detail__intro-content.prose > :last-child,
.blog-detail__content.prose > :last-child {
    margin-bottom: 0;
}

.blog-detail__content {
    margin: 0 30px 30px;
    padding: 28px 30px;
    border-top: 1px solid var(--bd-border);
    border-radius: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #fffcfc 100%);
}

.blog-detail__intro-content.prose h1,
.blog-detail__intro-content.prose h2,
.blog-detail__intro-content.prose h3,
.blog-detail__intro-content.prose h4,
.blog-detail__content.prose h1,
.blog-detail__content.prose h2,
.blog-detail__content.prose h3,
.blog-detail__content.prose h4 {
    color: var(--bd-text);
    line-height: 1.2;
    font-weight: 850;
    letter-spacing: -0.02em;
}

.blog-detail__intro-content.prose h1,
.blog-detail__content.prose h1 {
    font-size: 38px;
    margin: 0 0 18px;
}

.blog-detail__intro-content.prose h2,
.blog-detail__content.prose h2 {
    font-size: 30px;
    margin: 30px 0 16px;
}

.blog-detail__intro-content.prose h3,
.blog-detail__content.prose h3 {
    font-size: 24px;
    margin: 26px 0 14px;
}

.blog-detail__intro-content.prose h4,
.blog-detail__content.prose h4 {
    font-size: 20px;
    margin: 22px 0 12px;
}

.blog-detail__intro-content.prose p,
.blog-detail__content.prose p {
    margin: 0 0 16px;
    color: var(--bd-text-soft);
}

.blog-detail__intro-content.prose strong,
.blog-detail__content.prose strong {
    color: var(--bd-text);
    font-weight: 800;
}

.blog-detail__intro-content.prose a,
.blog-detail__content.prose a {
    color: var(--bd-primary);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px solid rgba(193, 18, 31, 0.20);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.blog-detail__intro-content.prose a:hover,
.blog-detail__content.prose a:hover {
    color: var(--bd-primary-dark);
    border-color: rgba(193, 18, 31, 0.45);
}

.blog-detail__intro-content.prose ul,
.blog-detail__intro-content.prose ol,
.blog-detail__content.prose ul,
.blog-detail__content.prose ol {
    margin: 0 0 18px;
    padding-left: 22px;
}

.blog-detail__intro-content.prose li,
.blog-detail__content.prose li {
    margin-bottom: 8px;
}

.blog-detail__intro-content.prose blockquote,
.blog-detail__content.prose blockquote {
    margin: 22px 0;
    padding: 18px 20px;
    border: 1px solid rgba(193, 18, 31, 0.10);
    border-left: 4px solid var(--bd-primary);
    border-radius: 18px;
    background: linear-gradient(180deg, #fff8f8 0%, #fff1f3 100%);
    color: var(--bd-text);
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.04);
}

.blog-detail__intro-content.prose hr,
.blog-detail__content.prose hr {
    border: 0;
    border-top: 1px solid var(--bd-border);
    margin: 28px 0;
}

.blog-detail__intro-content.prose img,
.blog-detail__content.prose img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 22px auto;
    border: 1px solid var(--bd-border);
    border-radius: 20px;
    box-shadow: var(--bd-shadow-sm);
}

.blog-detail__intro-content.prose table,
.blog-detail__content.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    overflow: hidden;
    border-radius: 18px;
    border-style: hidden;
    box-shadow: 0 0 0 1px var(--bd-border), var(--bd-shadow-sm);
    background: #ffffff;
}

.blog-detail__intro-content.prose th,
.blog-detail__intro-content.prose td,
.blog-detail__content.prose th,
.blog-detail__content.prose td {
    padding: 14px 16px;
    border: 1px solid var(--bd-border);
    text-align: left;
    vertical-align: top;
}

.blog-detail__intro-content.prose th,
.blog-detail__content.prose th {
    background: linear-gradient(180deg, #fff8f8 0%, #fff1f3 100%);
    color: var(--bd-text);
    font-weight: 800;
}

.blog-detail__intro-content.prose code,
.blog-detail__content.prose code {
    padding: 2px 8px;
    border-radius: 8px;
    background: #fff1f3;
    color: var(--bd-primary-dark);
    font-size: 0.95em;
    font-family: inherit;
    font-weight: 700;
}

.blog-detail__intro-content.prose pre,
.blog-detail__content.prose pre {
    overflow: auto;
    margin: 22px 0;
    padding: 18px;
    border: 1px solid var(--bd-border);
    border-radius: 18px;
    background: #0f172a;
    color: #e2e8f0;
    box-shadow: var(--bd-shadow-sm);
}

.blog-detail__intro-content.prose pre code,
.blog-detail__content.prose pre code {
    padding: 0;
    background: transparent;
    color: inherit;
    font-weight: 500;
}

@media (max-width: 1100px) {
    .blog-detail__intro {
        grid-template-columns: minmax(240px, 360px) minmax(0, 1fr);
    }
}

@media (max-width: 900px) {
    .blog-detail__intro {
        grid-template-columns: 1fr;
    }

    .blog-detail__media {
        position: relative;
        top: auto;
        max-width: 560px;
    }

    .blog-detail__media img {
        min-height: 240px;
        max-height: 360px;
    }
}

@media (max-width: 768px) {
    .blog-detail__header {
        padding: 18px 18px 16px;
    }

    .blog-detail__intro {
        gap: 18px;
        padding: 18px;
    }

    .blog-detail__summary-box,
    .blog-detail__reading-box {
        padding: 18px;
    }

    .blog-detail__content {
        margin: 0 18px 18px;
        padding: 18px;
    }

    .blog-detail__title {
        font-size: 28px;
    }

    .blog-detail__lead,
    .blog-detail__intro-content.prose,
    .blog-detail__content.prose {
        font-size: 16px;
        line-height: 1.75;
    }

    .blog-detail__summary-box h2,
    .blog-detail__reading-box h2 {
        font-size: 20px;
    }

    .blog-detail__intro-content.prose h1,
    .blog-detail__content.prose h1 {
        font-size: 30px;
    }

    .blog-detail__intro-content.prose h2,
    .blog-detail__content.prose h2 {
        font-size: 25px;
    }

    .blog-detail__intro-content.prose h3,
    .blog-detail__content.prose h3 {
        font-size: 21px;
    }

    .blog-detail__intro-content.prose table,
    .blog-detail__content.prose table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}