/* ==========================================================================
   ZENERATE NEON — Music Power Station
   Palette: near-black stage, neon lime signal, magenta peak
   Type:    Anton (EN display) / Pretendard Variable (KR body & titles)
   ========================================================================== */

:root {
    --bg: #0a0a0a;
    --bg-raise: #141414;
    --ink: #f2f2f0;
    --muted: #8f8f88;
    --line: #242424;
    --accent: #c8ff00;      /* neon lime — signal on */
    --accent-2: #ff2e88;    /* magenta — peak level (rating >= 4.5) */
    --font-display: var(--gh-font-heading, "Anton"), "Pretendard Variable", sans-serif;
    --font-body: var(--gh-font-body, "Pretendard Variable"), Pretendard, -apple-system, sans-serif;
    --max: 1200px;
    --pad: clamp(16px, 4vw, 40px);
    --radius: 2px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.zn-viewport { display: flex; flex-direction: column; min-height: 100vh; }
.zn-main { flex: 1; width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.zn-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(8px);
}
.zn-header__inner {
    max-width: var(--max); margin: 0 auto;
    display: flex; align-items: center; gap: 16px;
    padding: 14px var(--pad);
}
.zn-header__pulse {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
    animation: zn-pulse 4s linear infinite;
    background-size: 200% 100%;
}
@keyframes zn-pulse {
    from { background-position: 200% 0; }
    to { background-position: -200% 0; }
}

.zn-logo { display: flex; align-items: center; }
.zn-logo img { height: 30px; width: auto; }
.zn-logo__text {
    font-family: var(--font-display);
    font-size: 24px; letter-spacing: 0.06em; color: var(--ink);
}
.zn-logo__text::after { content: "."; color: var(--accent); }

.zn-nav { margin-left: auto; display: flex; align-items: center; gap: 24px; }
.zn-nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
.zn-nav ul li { position: relative; display: flex; align-items: center; }
.zn-nav .nav li a,
.zn-nav ul li a {
    display: block; padding: 8px 12px;
    font-size: 14px; font-weight: 600; letter-spacing: 0.04em;
    white-space: nowrap;
    color: var(--muted); transition: color 0.15s;
}
.zn-nav ul li a:hover, .zn-nav ul li.nav-current a { color: var(--accent); }
.zn-nav ul li.nav-current .zn-subnav a { color: var(--muted); }
.zn-nav ul li.nav-current .zn-subnav a:hover { color: var(--accent); }
.zn-nav__actions { display: flex; gap: 8px; }

/* Dropdown (built by JS from "-" prefixed nav items) */
.zn-subnav__toggle {
    background: none; border: 0; cursor: pointer;
    color: var(--muted); padding: 4px; margin-left: -6px;
    display: flex; align-items: center;
    transition: transform 0.15s, color 0.15s;
}
.zn-subnav__toggle:hover { color: var(--accent); }
.zn-nav li.sub-open > .zn-subnav__toggle { transform: rotate(180deg); }
.zn-nav .zn-subnav {
    list-style: none; margin: 0; padding: 6px 0;
    display: none;
    position: absolute; top: 100%; left: 0; z-index: 70;
    min-width: 150px;
    background: #101010;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7);
}
.zn-nav .zn-subnav li { display: block; }
.zn-nav .zn-subnav li a { padding: 9px 16px; font-size: 13px; }
@media (hover: hover) and (min-width: 641px) {
    .zn-nav li.has-sub:hover > .zn-subnav { display: block; }
}
.zn-nav li.sub-open > .zn-subnav { display: block; }

.zn-btn {
    display: inline-block; padding: 8px 16px;
    font-size: 13px; font-weight: 700; letter-spacing: 0.02em;
    white-space: nowrap;
    border: 1px solid var(--line); border-radius: var(--radius);
    transition: all 0.15s; cursor: pointer;
}
.zn-btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.zn-btn--solid { background: var(--accent); border-color: var(--accent); color: #0a0a0a; }
.zn-btn--solid:hover { background: var(--ink); border-color: var(--ink); }
.zn-btn--lg { padding: 14px 32px; font-size: 15px; }

.zn-search-toggle {
    background: none; border: 0; color: var(--muted); cursor: pointer; padding: 8px;
}
.zn-search-toggle svg { width: 20px; height: 20px; }
.zn-search-toggle:hover { color: var(--accent); }

.zn-burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.zn-burger span {
    display: block; width: 22px; height: 2px; background: var(--ink);
    margin: 5px 0; transition: transform 0.2s, opacity 0.2s;
}

/* --------------------------------------------------------------------------
   Hero carousel
   -------------------------------------------------------------------------- */
.zn-hero { position: relative; margin: 20px 0 48px; overflow: hidden; border-radius: var(--radius); }
.zn-hero__track {
    display: flex;
    transition: transform 0.45s cubic-bezier(0.25, 0.8, 0.3, 1);
}
.zn-hero__slide { flex: 0 0 100%; position: relative; }
.zn-hero__img { width: 100%; aspect-ratio: 16 / 9; max-height: 560px; object-fit: cover; }
.zn-hero__overlay {
    position: absolute; inset: auto 0 0 0;
    padding: clamp(20px, 5vw, 48px);
    background: linear-gradient(0deg, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0.55) 55%, transparent 100%);
}
.zn-hero__title {
    font-size: clamp(22px, 4.4vw, 44px);
    font-weight: 800; line-height: 1.2; letter-spacing: -0.02em;
    margin: 8px 0;
}
.zn-hero__excerpt { color: var(--muted); margin: 0 0 8px; max-width: 60ch; font-size: 15px; }
.zn-hero__meta { font-size: 13px; color: var(--muted); }
.zn-hero__slide:hover .zn-hero__title { color: var(--accent); }

.zn-hero__controls {
    position: absolute; right: 16px; top: 16px;
    display: flex; align-items: center; gap: 12px;
}
.zn-hero__arrow {
    background: rgba(10,10,10,0.6); color: var(--ink);
    border: 1px solid var(--line); border-radius: var(--radius);
    width: 36px; height: 36px; cursor: pointer; font-size: 15px;
}
.zn-hero__arrow:hover { border-color: var(--accent); color: var(--accent); }
.zn-hero__dots { display: flex; gap: 6px; }
.zn-hero__dots button {
    width: 8px; height: 8px; border-radius: 50%;
    border: 0; background: rgba(242,242,240,0.35); cursor: pointer; padding: 0;
}
.zn-hero__dots button[aria-current="true"] { background: var(--accent); }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.zn-section { margin: 0 0 64px; }
.zn-section__head {
    display: flex; align-items: baseline; justify-content: space-between;
    border-bottom: 1px solid var(--line);
    padding-bottom: 10px; margin-bottom: 24px;
}
.zn-section__title {
    font-family: var(--font-display);
    font-size: clamp(22px, 3vw, 30px);
    letter-spacing: 0.04em; margin: 0; font-weight: 400;
}
.zn-section__tick { color: var(--accent); padding: 0 2px; }
.zn-section__more { font-size: 13px; font-weight: 700; color: var(--muted); }
.zn-section__more:hover { color: var(--accent); }

.zn-eyebrow {
    display: inline-block;
    font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--accent);
}
.zn-eyebrow--link:hover { text-decoration: underline; }

/* Card grid */
.zn-card-grid {
    display: grid; gap: 28px 20px;
    grid-template-columns: repeat(3, 1fr);
}
.zn-card-grid--wide { grid-template-columns: repeat(4, 1fr); }

.zn-card__media { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--bg-raise); }
.zn-card__media img { aspect-ratio: 3 / 2; object-fit: cover; width: 100%; transition: transform 0.3s; }
.zn-card:hover .zn-card__media img { transform: scale(1.03); }
.zn-card__placeholder {
    aspect-ratio: 3 / 2; display: grid; place-items: center;
    font-family: var(--font-display); font-size: 48px; color: var(--line);
}
.zn-card__rating {
    position: absolute; top: 10px; left: 10px;
    background: var(--accent); color: #0a0a0a;
    font-weight: 800; font-size: 14px;
    padding: 3px 9px; border-radius: var(--radius);
}
.zn-card__rating.is-peak { background: var(--accent-2); color: #fff; }
.zn-card__body { padding: 12px 2px 0; }
.zn-card__title { font-size: 17px; font-weight: 700; line-height: 1.35; margin: 6px 0; letter-spacing: -0.01em; }
.zn-card:hover .zn-card__title { color: var(--accent); }
.zn-card__excerpt {
    font-size: 14px; color: var(--muted); margin: 0 0 8px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.zn-card__meta { font-size: 12px; color: var(--muted); }

/* --------------------------------------------------------------------------
   Album grid + VU meter (signature)
   -------------------------------------------------------------------------- */
.zn-album-grid {
    display: grid; gap: 24px 20px;
    grid-template-columns: repeat(4, 1fr);
}
.zn-album__cover { overflow: hidden; border-radius: var(--radius); background: var(--bg-raise); }
.zn-album__cover img { aspect-ratio: 1 / 1; object-fit: cover; width: 100%; transition: transform 0.3s; }
.zn-album:hover .zn-album__cover img { transform: scale(1.04); }
.zn-album__body { padding-top: 10px; position: relative; }
.zn-album__title { font-size: 15px; font-weight: 700; line-height: 1.35; margin: 0 0 4px; }
.zn-album:hover .zn-album__title { color: var(--accent); }
.zn-album__excerpt {
    font-size: 13px; color: var(--muted); margin: 0 0 10px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* VU meter: 10 segments = score * 2 lit */
.zn-vu { display: flex; gap: 3px; align-items: flex-end; height: 14px; }
.zn-vu i { flex: 1; max-width: 10px; height: 100%; background: var(--line); border-radius: 1px; }
.zn-vu i.on { background: var(--accent); box-shadow: 0 0 6px rgba(200,255,0,0.5); }
.zn-vu i.half { background: linear-gradient(90deg, var(--accent) 50%, var(--line) 50%); }
.zn-vu.is-peak i.on { background: var(--accent-2); box-shadow: 0 0 6px rgba(255,46,136,0.5); }
.zn-vu--lg { height: 20px; max-width: 180px; }
.zn-vu--lg i { max-width: 16px; }

.zn-album__score {
    position: absolute; top: 10px; right: 0;
    font-family: var(--font-display); font-size: 20px; color: var(--accent);
}
.zn-album__score.is-peak { color: var(--accent-2); }

/* --------------------------------------------------------------------------
   HOMEWORK — daily listening log
   -------------------------------------------------------------------------- */
.zn-homework__lede { color: var(--muted); font-size: 14px; margin: -8px 0 20px; }
.zn-homework { list-style: none; margin: 0; padding: 0; }
.zn-hw {
    display: grid;
    grid-template-columns: 1fr 140px 48px;
    align-items: center; gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}
.zn-hw__main { display: flex; align-items: center; gap: 12px; min-width: 0; }
.zn-hw__thumb {
    width: 48px; height: 48px; flex: 0 0 48px;
    object-fit: cover; border-radius: var(--radius);
    background: var(--bg-raise);
}
.zn-hw__text { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; min-width: 0; }
.zn-hw__artist { font-weight: 800; font-size: 15px; }
.zn-hw__work { color: var(--muted); font-size: 15px; }
.zn-hw__date { font-size: 12px; color: var(--muted); opacity: 0.7; }
.zn-hw__meter { display: flex; gap: 3px; height: 12px; align-items: flex-end; }
.zn-hw__meter i { flex: 1; height: 100%; background: var(--line); border-radius: 1px; }
.zn-hw__meter i.on { background: var(--accent); box-shadow: 0 0 5px rgba(200, 255, 0, 0.45); }
.zn-hw__meter i.half { background: linear-gradient(90deg, var(--accent) 50%, var(--line) 50%); }
.zn-hw__score {
    font-family: var(--font-display);
    font-size: 20px; text-align: right; color: var(--accent);
}
.zn-hw.is-peak .zn-hw__score { color: var(--accent-2); }
.zn-hw.is-peak .zn-hw__meter i.on { background: var(--accent-2); box-shadow: 0 0 5px rgba(255, 46, 136, 0.45); }

/* --------------------------------------------------------------------------
   Post
   -------------------------------------------------------------------------- */
.zn-post { max-width: 760px; margin: 48px auto 0; }
.zn-post__head { margin-bottom: 28px; }
.zn-post__title {
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 800; line-height: 1.22; letter-spacing: -0.02em;
    margin: 10px 0 12px;
}
.zn-post__excerpt { font-size: 18px; color: var(--muted); margin: 0 0 16px; }
.zn-post__byline { font-size: 14px; color: var(--muted); }
.zn-post__dot { padding: 0 6px; }
.zn-post__ratingwrap { display: flex; align-items: center; gap: 14px; margin-top: 20px; }
.zn-post__score { font-family: var(--font-display); font-size: 26px; color: var(--accent); }
.zn-post__score.is-peak { color: var(--accent-2); }

.zn-post__feature { margin: 0 0 36px; }
.zn-post__feature img { border-radius: var(--radius); width: 100%; }
.zn-post__feature figcaption { font-size: 13px; color: var(--muted); text-align: center; padding-top: 8px; }

.gh-content { font-size: 17px; line-height: 1.8; }
.gh-content > * + * { margin-top: 1.2em; }
.gh-content h2, .gh-content h3 { letter-spacing: -0.01em; line-height: 1.3; margin-top: 1.8em; }
.gh-content h2 { font-size: 26px; }
.gh-content h3 { font-size: 21px; }
.gh-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.gh-content blockquote {
    margin: 1.6em 0; padding: 4px 0 4px 20px;
    border-left: 3px solid var(--accent);
    color: var(--ink); font-style: normal;
}
.gh-content figcaption { font-size: 13px; color: var(--muted); text-align: center; }
.gh-content hr { border: 0; border-top: 1px solid var(--line); margin: 2.4em 0; }
.gh-content pre { background: var(--bg-raise); padding: 16px; overflow-x: auto; border-radius: var(--radius); }
.gh-content .kg-card { margin-top: 1.6em; }

/* Wide / full-width editor cards */
.gh-content .kg-width-wide {
    position: relative;
    width: min(1080px, calc(100vw - 2 * var(--pad)));
    left: 50%; transform: translateX(-50%);
}
.gh-content .kg-width-full {
    position: relative;
    width: 100vw;
    left: 50%; transform: translateX(-50%);
}
.gh-content .kg-width-full img { width: 100%; }

.zn-post__foot { margin: 40px 0 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.zn-tagchip {
    display: inline-block; margin: 0 8px 8px 0; padding: 5px 12px;
    font-size: 12px; font-weight: 700;
    border: 1px solid var(--line); border-radius: 20px; color: var(--muted);
}
.zn-tagchip:hover { border-color: var(--accent); color: var(--accent); }

/* Archive header */
.zn-archive { padding: 48px 0 8px; }
.zn-archive__title {
    font-family: var(--font-display);
    font-size: clamp(32px, 6vw, 56px); margin: 6px 0; font-weight: 400; letter-spacing: 0.02em;
}
.zn-archive__desc { color: var(--muted); max-width: 60ch; }

/* Pagination */
.pagination {
    display: flex; justify-content: center; align-items: center; gap: 12px;
    margin-top: 40px; font-size: 14px; font-weight: 700;
}
.zn-page-btn {
    display: inline-block; padding: 10px 18px;
    border: 1px solid var(--line); border-radius: var(--radius);
    color: var(--accent); white-space: nowrap;
    transition: border-color 0.15s;
}
.zn-page-btn:hover { border-color: var(--accent); }
/* Defensive: survive legacy Code Injection rules that hide pagination links */
.zn-pagination .zn-page-btn {
    display: inline-block !important;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 14px !important;
}
.zn-page-num, .pagination .page-number { color: var(--muted); padding: 0 6px; }

/* Full homework page */
.zn-post--homework .zn-homework--full { margin-top: 8px; }
.zn-homework--full .zn-hw__thumb { width: 56px; height: 56px; flex-basis: 56px; }

/* CTA */
.zn-cta {
    text-align: center; padding: 72px 20px;
    border-top: 1px solid var(--line);
    margin-bottom: 48px;
}
.zn-cta__title {
    font-family: var(--font-display);
    font-size: clamp(44px, 10vw, 96px);
    line-height: 0.95; margin: 0 0 20px; font-weight: 400;
    color: transparent; -webkit-text-stroke: 1.5px var(--accent);
}
.zn-cta__desc { color: var(--muted); margin: 0 0 28px; }

/* Footer */
.zn-footer { border-top: 1px solid var(--line); }
.zn-footer__inner { max-width: var(--max); margin: 0 auto; padding: 40px var(--pad); }
.zn-footer__logo { font-family: var(--font-display); font-size: 20px; letter-spacing: 0.06em; }
.zn-footer__logo::after { content: "."; color: var(--accent); }
.zn-footer__tagline { color: var(--muted); font-size: 13px; margin: 4px 0 16px; }
.zn-footer__nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 16px; margin: 0 0 16px; padding: 0; }
.zn-footer__nav a { font-size: 13px; color: var(--muted); }
.zn-footer__nav a:hover { color: var(--accent); }
.zn-footer__copy { font-size: 12px; color: var(--muted); margin: 0; }
.zn-footer__copy a { color: var(--muted); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .zn-card-grid, .zn-card-grid--wide { grid-template-columns: repeat(2, 1fr); }
    .zn-album-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .zn-burger { display: block; }
    .zn-header { background: var(--bg); backdrop-filter: none; }
    .zn-nav {
        position: absolute; top: 100%; left: 0; right: 0;
        z-index: 60;
        height: calc(100dvh - 60px);
        overflow-y: auto;
        background: #0a0a0a; /* fully opaque: menu must read as its own layer */
        border-top: 1px solid var(--line);
        box-shadow: 0 24px 48px rgba(0, 0, 0, 0.8);
        flex-direction: column; align-items: flex-start;
        padding: 24px var(--pad) 48px;
        transform: translateX(-100%);
        visibility: hidden;
        transition: transform 0.25s, visibility 0.25s;
    }
    .zn-nav.is-open { transform: translateX(0); visibility: visible; }
    .zn-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .zn-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .zn-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .zn-nav ul { flex-direction: column; width: 100%; }
    .zn-nav ul li { border-bottom: 1px solid var(--line); flex-wrap: wrap; }
    .zn-nav ul li a { font-size: 20px; padding: 14px 0; color: var(--ink); flex: 1; }
    .zn-subnav__toggle { padding: 14px 8px; margin: 0; }
    .zn-subnav__toggle svg { width: 16px; height: 16px; }
    .zn-nav .zn-subnav {
        position: static; width: 100%;
        background: none; border: 0; box-shadow: none;
        padding: 0 0 8px 16px;
    }
    .zn-nav .zn-subnav li { border-bottom: 0; }
    .zn-nav .zn-subnav li a { font-size: 16px; padding: 8px 0; color: var(--muted); }

    /* Compact horizontal cards (MUVE-style list) */
    .zn-card__link {
        display: grid;
        grid-template-columns: 128px 1fr;
        gap: 14px;
        align-items: start;
    }
    .zn-card__media img, .zn-card__placeholder { aspect-ratio: 1 / 1; }
    .zn-card__placeholder { font-size: 28px; }
    .zn-card__body { padding: 0; }
    .zn-card__title { font-size: 15px; margin: 4px 0; }
    .zn-card__excerpt { -webkit-line-clamp: 2; font-size: 13px; margin-bottom: 4px; }
    .zn-card__meta { font-size: 11px; }
    .zn-card__rating { top: 6px; left: 6px; font-size: 12px; padding: 2px 7px; }
    .zn-card-grid, .zn-card-grid--wide { gap: 0; }
    .zn-card { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .zn-card:first-child { padding-top: 0; }
    .zn-nav__actions { margin-top: 24px; width: 100%; }
    .zn-nav__actions .zn-btn { flex: 1; text-align: center; padding: 12px; }
    .zn-logo { margin-right: auto; }

    .zn-hero__overlay { padding: 16px; }
    .zn-hero__excerpt { display: none; }
    .zn-hero__img { aspect-ratio: 4 / 3; }
    .zn-hero__controls { top: auto; bottom: calc(100% - 52px); }

    .zn-card-grid { grid-template-columns: 1fr; }
    .zn-card-grid--wide { grid-template-columns: 1fr; }
    .zn-album-grid { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
    .zn-album__score { font-size: 17px; }

    .zn-section { margin-bottom: 48px; }
    .zn-hw { grid-template-columns: 1fr 84px 40px; gap: 10px; padding: 12px 0; }
    .zn-hw__thumb { width: 40px; height: 40px; flex-basis: 40px; }
    .zn-hw__text { flex-direction: column; gap: 2px; }
    .zn-hw__artist, .zn-hw__work { font-size: 14px; }
    .zn-hw__score { font-size: 17px; }
    .gh-content { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .zn-header__pulse { animation: none; background: var(--accent); }
}