/* ═══════════════════════════════════════════════════════════════
   SINGLE POST CSS  (kpost-*)
   Loaded on: single post pages
═══════════════════════════════════════════════════════════════ */

/* ROOT ───────────────────────────────────────────────────────── */
.kpost-root {
    max-width: 100%;
    /* Keep overflow visible so sticky sidebar can track viewport correctly. */
    overflow: visible;
    --kpost-layout-max-width: 1220px;
    --kpost-layout-gap: clamp(32px, 4vw, 56px);
    --kpost-content-max-width: 800px;
    --kpost-sidebar-max-width: 320px;
}

.kpost-root * {
    box-sizing: border-box;
}

/* HERO ───────────────────────────────────────────────────────── */
.kpost-hero {
    position: relative;
    background: linear-gradient(135deg, #0d2f3f 0%, #174f5c 60%, #0d2f3f 100%);
    min-height: 440px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.kpost-hero__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.kpost-hero__pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(62, 194, 207, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(253, 184, 19, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.kpost-hero__hangeul {
    position: absolute;
    right: 2%;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Noto Serif KR', serif;
    font-size: 110px;
    color: rgba(255, 255, 255, 0.04);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    pointer-events: none;
    z-index: 1;
}

.kpost-hero__inner {
    position: relative;
    z-index: var(--z-text);
    width: 100%;
    max-width: var(--kpost-layout-max-width);
    margin: 0 auto;
    padding: 0 clamp(20px, 3vw, 36px) var(--spacing-3xl);
}

.kpost-hero__eyebrow {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.kpost-hero__cat-badge {
    display: inline-block;
    padding: 4px var(--spacing-lg);
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
}

.kpost-hero__divider-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.kpost-hero__series {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.kpost-hero__title {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(24px, 4.5vw, 40px);
    color: var(--color-white);
    line-height: 1.2;
    margin: 0 0 var(--spacing-xl);
}

.kpost-hero__title em {
    font-style: italic;
    color: var(--color-secondary);
}

.kpost-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.kpost-hero__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.kpost-hero__avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    font-size: var(--font-size-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.kpost-hero__author-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.9);
}

.kpost-hero__author-role {
    font-size: var(--font-size-md);
    color: var(--color-primary);
}

.kpost-hero__meta-sep {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
}

.kpost-hero__date,
.kpost-hero__read-time {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.7);
}

/* PROGRESS BAR ───────────────────────────────────────────────── */
.kpost-progress-bar {
    height: 3px;
    background: var(--color-border-lightest);
    position: sticky;
    top: var(--navbar-height);
    z-index: var(--z-nav);
    width: 100%;
}

.kpost-progress-bar__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width 0.1s linear;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* LAYOUT ─────────────────────────────────────────────────────── */
.kpost-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, var(--kpost-sidebar-max-width));
    gap: var(--kpost-layout-gap);
    max-width: var(--kpost-layout-max-width);
    margin: 0 auto;
    padding: clamp(36px, 5vw, 52px) clamp(20px, 3vw, 36px);
    align-items: start;
}

/* CONTENT ────────────────────────────────────────────────────── */
.kpost-content {
    min-width: 0;
    width: 100%;
    max-width: var(--kpost-content-max-width);
    justify-self: end;
}

/* Intro ── */
.kpost-intro {
    padding-left: var(--spacing-xl);
    border-left: 3px solid var(--color-primary);
    margin-bottom: var(--spacing-2xl);
}

.kpost-intro__lead {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.75;
    font-style: italic;
    margin: 0;
}

/* Tags ── */
.kpost-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.kpost-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px var(--spacing-md);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
    cursor: pointer;
}

.kpost-tag:hover,
.kpost-tag--active {
    background: var(--color-bg-search);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

/* Body ── */
.kpost-body {
    font-size: var(--font-size-3xl);
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

.kpost-body :is(h2, h3) {
    scroll-margin-top: calc(var(--navbar-height) + 32px);
}

.kpost-body p {
    margin: 0 0 var(--spacing-xl);
}

.kpost-body a.kdrama-auto-link {
    color: var(--color-primary-dark);
    font-weight: var(--font-weight-semibold);
    text-decoration-line: underline;
    text-decoration-color: rgba(62, 194, 207, 0.65);
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
    transition: color var(--transition-fast) ease, text-decoration-color var(--transition-fast) ease;
}

.kpost-body a.kdrama-auto-link:hover {
    color: var(--color-primary);
    text-decoration-color: var(--color-primary);
}

.kpost-body a.kdrama-auto-link:focus-visible {
    outline: 3px solid rgba(62, 194, 207, 0.35);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.kpost-body h2 {
    font-family: 'DM Serif Display', serif;
    font-size: 22px;
    color: var(--color-text);
    margin: var(--spacing-3xl) 0 var(--spacing-lg);
}

.kpost-body h3 {
    font-family: 'DM Serif Display', serif;
    font-size: 18px;
    color: var(--color-text);
    margin: var(--spacing-2xl) 0 var(--spacing-md);
}

.kpost-body ul,
.kpost-body ol {
    padding-left: var(--spacing-2xl);
    margin: 0 0 var(--spacing-xl);
}

.kpost-body li {
    margin-bottom: var(--spacing-sm);
}

.kpost-body strong {
    font-weight: var(--font-weight-semibold);
}

.kpost-body blockquote {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl) var(--spacing-2xl);
    border-left: 4px solid var(--color-primary);
    background: var(--color-bg-search);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}