/* Hada.TV shared presentation — media archive atmosphere with HADA translucency. */

* { box-sizing: border-box; }

html {
    min-height: 100%;
    overflow-y: scroll;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background-color: #ffffff;
    background-image:
        linear-gradient(
            135deg,
            var(--site-image-overlay-start) 0%,
            var(--site-image-overlay-mid) 48%,
            var(--site-image-overlay-end) 100%
        ),
        url("/assets/images/hada-tv-top.jpg");
    background-attachment: fixed;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--site-text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Hiragino Kaku Gothic ProN",
        "Yu Gothic",
        Meiryo,
        sans-serif;
    line-height: 1.7;
}

body[data-logical-page="gallery"] {
    background-image:
        linear-gradient(135deg, var(--site-image-overlay-start), var(--site-image-overlay-mid) 48%, var(--site-image-overlay-end)),
        url("/assets/images/hada-tv-gallery.jpg");
}

:root {
    --site-min-font-size: var(--font-min-size, 1rem);
    --site-bg: #ffffff;
    /* Preserve the original translucent panel treatment. */
    --site-surface: rgba(255, 255, 255, 0.66);
    --site-surface-strong: rgba(255, 255, 255, 0.80);
    --site-text: #111111;
    --site-text-muted: #202124;
    --site-text-soft: #30343b;
    --site-border: rgba(220, 220, 220, 0.84);
    --site-border-strong: rgba(17, 17, 17, 0.72);
    --site-link: #111111;
    --site-accent: #003f4c;
    --site-image-overlay-start: rgba(255, 255, 255, 0.38);
    --site-image-overlay-mid: rgba(255, 255, 255, 0.12);
    --site-image-overlay-end: rgba(255, 255, 255, 0.34);
    --site-shadow: rgba(0, 0, 0, 0.14);
    --header-inner-gutter: 28px;
    --card-radius: 5px;
}

.page {
    width: min(980px, 100%);
    margin: 0 auto;
    padding: 0 28px;
    padding-bottom: 60px;
}

header,
footer,
.hero,
.section,
.gallery-card {
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

header {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-top: 28px;
    padding: 16px 0 12px;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 64px;
    padding-inline: var(--header-inner-gutter);
}

.header-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.45rem;
}

.brand {
    margin: 0;
    color: var(--site-text);
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.brand-link { text-decoration: none; }
.brand .dot { color: var(--site-accent); }
.brand-link:hover .dot { color: var(--site-accent); }

.location {
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.88rem);
    letter-spacing: 0.10em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 6px;
    padding: 8px var(--header-inner-gutter) 0;
    border-top: 1px solid var(--site-border);
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.88rem);
}

.site-nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
}

.site-nav a,
.footer-attribution a {
    text-decoration: none;
}

.site-nav a:hover,
.footer-attribution a:hover,
.gallery-card a:hover {
    color: var(--site-accent);
}

.nav-sep { color: var(--site-text-soft); }

main { padding: 30px 0 20px; }

.hero {
    padding: 34px 30px 32px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--site-accent);
    font-size: max(var(--site-min-font-size), 0.82rem);
    font-weight: 600;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.08;
}

.hero h1 span {
    display: block;
    margin-top: 10px;
    color: var(--site-text-muted);
    font-size: max(1rem, 0.42em);
    font-weight: 400;
    letter-spacing: 0.02em;
    line-height: 1.45;
}

.hero-copy {
    max-width: 680px;
    margin: 20px 0 0;
    color: var(--site-text-muted);
    font-size: 0.98rem;
}

.channels {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin: 24px 0;
}

.channel {
    display: block;
    min-height: 150px;
    padding: 25px 26px 27px;
    background: var(--site-surface-strong);
    border: 1px solid var(--site-border);
    color: var(--site-text);
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.channel:hover {
    border-color: var(--site-accent);
    transform: translateY(-2px);
}

.channel-label {
    color: var(--site-accent);
    font-size: max(var(--site-min-font-size), 0.70rem);
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.channel-name {
    margin-top: 10px;
    font-size: 1.18rem;
    font-weight: 500;
}

.channel-handle {
    margin-top: 4px;
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.86rem);
}

.channel-detail {
    margin: 8px 0 0;
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.86rem);
}

.section {
    margin: 24px 0;
    padding: 28px 30px 30px;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.section-heading h2,
.gallery-heading h1 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.section-heading p,
.gallery-heading p {
    margin: 0;
    color: var(--site-text-muted);
}

.archive-line {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--site-border);
    border-bottom: 1px solid var(--site-border);
}

.archive-item {
    min-height: 110px;
    padding: 20px 18px;
}

.archive-item + .archive-item { border-left: 1px solid var(--site-border); }
.archive-item strong { display: block; font-weight: 600; }
.archive-item small { display: block; margin-top: 5px; color: var(--site-text-muted); }

footer {
    margin: 28px 0 0;
    padding: 24px 30px 28px;
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.82rem);
}

.footer-row {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--site-border);
}

.footer-attribution {
    margin-top: 14px;
    color: var(--site-text-muted);
    line-height: 1.9;
}

.footer-attribution .nav-sep { margin: 0 0.45rem; }

.site-brand-overlay {
    position: fixed;
    left: 18px;
    bottom: 16px;
    z-index: 20;
    display: flex;
    gap: 0.65rem;
    padding: 0.35rem 0.55rem;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.72rem);
    letter-spacing: 0.08em;
}

.site-brand-overlay a { text-decoration: none; }
.site-brand-overlay .nav-sep { color: var(--site-text-soft); }

.gallery-heading {
    margin-bottom: 22px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.gallery-card {
    min-width: 0;
    padding: 14px;
    background: var(--site-surface-strong);
}

.gallery-card a { text-decoration: none; }

.gallery-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: 1px solid var(--site-border);
}

.gallery-card figcaption {
    padding: 14px 3px 3px;
    color: var(--site-text-muted);
    font-size: max(var(--site-min-font-size), 0.86rem);
}

.gallery-card figcaption strong {
    color: var(--site-text);
    font-size: 1rem;
    font-weight: 500;
}

.gallery-detail-copy {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
}

.gallery-detail-copy h1 {
    margin: 0;
    font-size: clamp(1.7rem, 4vw, 2.4rem);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.gallery-detail-copy p {
    margin: 0;
    color: var(--site-text-muted);
}

.gallery-detail-image {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--site-border);
}

.gallery-detail-description {
    margin: 20px 0 0;
    color: var(--site-text-muted);
}

.gallery-detail-back {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--site-link);
    text-decoration: none;
}

.gallery-detail-back:hover {
    color: var(--site-accent);
}

html[data-theme="dark"] {
    --site-bg: #15161a;
    --site-surface: rgba(21, 22, 26, 0.66);
    --site-surface-strong: rgba(30, 31, 36, 0.80);
    --site-text: #f2f3f5;
    --site-text-muted: #c4c7cc;
    --site-text-soft: #aeb3bb;
    --site-border: rgba(255, 255, 255, 0.24);
    --site-border-strong: rgba(255, 255, 255, 0.48);
    --site-link: #f2f3f5;
    --site-accent: #78cad5;
    --site-shadow: rgba(0, 0, 0, 0.5);
}

html[data-theme="dark"] body {
    background-color: var(--site-bg);
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-tv-top.jpg");
}

html[data-theme="dark"] body[data-logical-page="gallery"] {
    background-image:
        linear-gradient(135deg, rgba(12, 14, 18, 0.82), rgba(12, 14, 18, 0.62) 48%, rgba(12, 14, 18, 0.84)),
        url("/assets/images/hada-tv-gallery.jpg");
}

html[data-theme="dark"] .site-display-controls button {
    background: var(--site-surface-strong);
}

@media (max-width: 700px) {
    .page { padding-inline: 18px; }
    header { margin-top: 18px; }
    .header-top,
    .site-nav { padding-inline: 18px; }
    .header-top,
    .site-nav,
    .footer-row,
    .section-heading { align-items: flex-start; flex-direction: column; }
    .header-meta { align-items: flex-start; }
    .site-display-controls { justify-content: flex-start; }
    .channels,
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-detail-copy { align-items: flex-start; flex-direction: column; }
    .archive-line { grid-template-columns: 1fr; }
    .archive-item + .archive-item { border-top: 1px solid var(--site-border); border-left: 0; }
    .hero,
    .section,
    footer { padding-inline: 20px; }
    .site-brand-overlay { left: 10px; bottom: 10px; }
}