/* Cipher Deck — page layout shells */

/* —— Header N8: underlined ribbon —— */
.pc-header {
    position: relative;
    z-index: 10;
    background: var(--pc-paper);
    border-bottom: 1px solid var(--pc-line);
    transition: box-shadow var(--pc-dur) var(--pc-ease-out);
}

.pc-header.is-scrolled {
    box-shadow: var(--pc-shadow-sm);
}

.pc-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pc-space-sm);
    min-height: var(--pc-header-h);
    padding-block: 0.5rem;
}

.pc-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    min-width: 0;
}

.pc-brand__mark {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: var(--pc-radius-md);
    background: var(--pc-accent-soft);
    color: var(--pc-accent-deep);
    font-family: var(--pc-font-display);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-transform: uppercase;
    border: 2px dashed var(--pc-accent);
}

.pc-brand__title {
    display: block;
    font-family: var(--pc-font-display);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.1;
}

.pc-brand__tag {
    display: block;
    font-family: var(--pc-font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--pc-berry);
}

.pc-header__links {
    display: none;
    align-items: center;
    gap: 0.15rem;
}

.pc-header__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.35rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--pc-ink-soft);
    white-space: nowrap;
}

.pc-header__link::after {
    content: "";
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.35rem;
    height: 2px;
    background: var(--pc-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--pc-dur) var(--pc-ease-out);
}

.pc-header__link:hover,
.pc-header__link[aria-current="page"] {
    color: var(--pc-ink);
}

.pc-header__link:hover::after,
.pc-header__link[aria-current="page"]::after {
    transform: scaleX(1);
}

.pc-header__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border: 2px solid var(--pc-line-strong);
    border-radius: var(--pc-radius-sm);
    background: var(--pc-surface);
    color: var(--pc-ink);
    cursor: pointer;
}

.pc-header__toggle:focus-visible {
    outline: 2px solid var(--pc-focus);
    outline-offset: 2px;
}

.pc-header__backdrop {
    position: fixed;
    inset: 0;
    z-index: 280;
    background: var(--pc-overlay);
}

.pc-header__drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 300;
    width: min(88vw, 320px);
    height: 100dvh;
    padding: var(--pc-space-md);
    background: var(--pc-surface);
    border-left: 3px solid var(--pc-accent);
    box-shadow: var(--pc-shadow-md);
    overflow-y: auto;
}

.pc-drawer__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--pc-space-sm);
}

.pc-drawer__head button {
    min-width: 44px;
    min-height: 44px;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    cursor: pointer;
}

.pc-drawer__menu {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.pc-drawer__menu a {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 0.35rem 0.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--pc-ink);
    border-radius: var(--pc-radius-sm);
}

.pc-drawer__menu a:hover,
.pc-drawer__menu a[aria-current="page"] {
    background: var(--pc-accent-soft);
    color: var(--pc-accent-deep);
}

.pc-drawer__section-label {
    margin: var(--pc-space-sm) 0 var(--pc-space-xs);
}

body.pc-menu-open {
    overflow: hidden;
}

@media (min-width: 901px) {
    .pc-header__links {
        display: flex;
    }

    .pc-header__toggle {
        display: none;
    }
}

/* —— Home: gallery feed (mineral field — white lives on cards only) —— */
body[data-page="home"] {
    background-color: var(--pc-gallery-bg);
}

.pc-home-stage {
    display: grid;
    gap: var(--pc-space-md);
    padding-block: var(--pc-space-sm) var(--pc-space-xl);
    background: transparent;
}

.pc-home-section {
    display: grid;
    gap: var(--pc-space-sm);
}

.pc-home-section + .pc-home-section,
.pc-catalog-mount {
    margin-top: var(--pc-space-xs);
}

.pc-home-section__title {
    margin: 0 0 0.25rem;
    font-family: var(--pc-font-body);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pc-ink);
}

/* 4-column play tile grid (图1) */
.pc-tile-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem 0.75rem;
}

@media (max-width: 900px) {
    .pc-tile-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .pc-tile-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.75rem 0.65rem;
    }

}

/* Editor's picks — tighter band */
.pc-home-section--compact {
    gap: 0.4rem;
}

.pc-home-section--compact .pc-home-section__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    gap: 0.35rem 0.65rem;
    text-align: center;
}

.pc-home-section--compact .pc-home-section__title {
    margin: 0;
    font-size: 1rem;
}

.pc-home-section--compact .pc-home-section__sub {
    margin: 0;
    font-size: 0.68rem;
    line-height: 1.3;
}

.pc-tile-grid--recommended {
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    justify-content: center;
    gap: 0.4rem;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    padding-bottom: 0.15rem;
}

.pc-tile-grid--recommended::before,
.pc-tile-grid--recommended::after {
    content: "";
    flex: 1 1 auto;
    min-width: 0;
}

.pc-tile-grid--recommended .pc-tile {
    flex: 0 0 4.5rem;
    width: 4.5rem;
    gap: 0.12rem;
    scroll-snap-align: center;
}

.pc-tile-grid--recommended .pc-tile__thumb-link {
    width: 100%;
    border-radius: 9px;
}

.pc-tile-grid--recommended .pc-tile__title {
    font-size: 0.7rem;
}

.pc-tile-grid--recommended .pc-tile__cat {
    font-size: 0.62rem;
    line-height: 1.15;
}

.pc-tile-grid--recommended .pc-tile__play {
    min-height: 22px;
    min-width: 48px;
    margin-top: 0;
    padding: 0.1rem 0.55rem;
    font-size: 0.65rem;
    border-radius: 4px;
}

.pc-catalog-mount {
    display: grid;
    gap: var(--pc-space-lg);
    min-height: 80px;
}

/* Category band (图2) */
.pc-cat-band {
    display: grid;
    gap: 0.85rem;
}

.pc-cat-band + .pc-cat-band {
    margin-top: var(--pc-space-sm);
}

.pc-cat-band__head {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-height: 44px;
}

.pc-cat-band__icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--pc-accent);
    color: var(--pc-on-accent);
}

.pc-cat-band__icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.pc-cat-band__title {
    flex: 1;
    min-width: 0;
    margin: 0;
    font-family: var(--pc-font-body);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pc-ink);
    overflow-wrap: anywhere;
}

.pc-cat-band__more {
    flex-shrink: 0;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 0.25rem;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--pc-ink-muted);
    text-decoration: none;
}

.pc-cat-band__more:hover {
    color: var(--pc-berry);
}

/* 分类区：首卡原尺寸 + 其余缩小，总高度等同原 2×2 横幅区 */
.pc-banner-layout {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 0.45rem 0.75rem;
    aspect-ratio: 16 / 9;
    max-height: none;
}

.pc-banner-lead {
    grid-column: 1 / 3;
    grid-row: 1 / 2;
    min-width: 0;
    min-height: 0;
}

.pc-banner-lead .pc-banner-card {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
}

.pc-banner-compact {
    display: grid;
    gap: 0.28rem;
    min-width: 0;
    min-height: 0;
}

.pc-banner-compact--right {
    grid-column: 3 / 5;
    grid-row: 1 / 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(8, minmax(0, 1fr));
}

.pc-banner-compact--bottom {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(4, minmax(0, 1fr));
}

@media (max-width: 600px) {
    .pc-banner-layout {
        aspect-ratio: 16 / 14;
        gap: 0.32rem 0.5rem;
    }

    .pc-banner-compact {
        gap: 0.22rem;
    }

    .pc-banner-compact--right {
        grid-template-rows: repeat(4, minmax(0, 1fr));
    }

    .pc-banner-compact--bottom {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-template-rows: repeat(2, minmax(0, 1fr));
    }
}

.pc-ticket-hero {
    position: relative;
    display: grid;
    gap: var(--pc-space-md);
    padding: var(--pc-space-lg);
    border-radius: var(--pc-radius-xl);
    background: var(--pc-surface);
    border: 2px solid var(--pc-line);
    overflow: hidden;
    box-shadow: var(--pc-shadow-md);
}

.pc-ticket-hero__bg {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    opacity: 0.28;
    pointer-events: none;
}

.pc-ticket-hero__content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--pc-space-sm);
    max-width: 34rem;
}

.pc-ticket-hero__title {
    font-size: clamp(2rem, 6vw, 3.4rem);
    margin: 0;
}

.pc-ticket-hero__lead {
    margin: 0;
    font-size: 1.05rem;
    color: var(--pc-ink-soft);
}

.pc-ticket-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.pc-workbench {
    display: grid;
    gap: var(--pc-space-lg);
}

.pc-rail {
    display: flex;
    flex-direction: column;
    gap: var(--pc-space-sm);
}

.pc-rail__title {
    margin: 0;
    font-size: 1.1rem;
}

.pc-rail__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.pc-rail__chip {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0.35rem 0.85rem;
    border-radius: var(--pc-radius-pill);
    border: 2px solid var(--pc-line);
    background: var(--pc-surface);
    font-size: 0.82rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--pc-ink-soft);
    white-space: nowrap;
    transition: border-color var(--pc-dur) var(--pc-ease-out), background var(--pc-dur) var(--pc-ease-out);
}

.pc-rail__chip:hover,
.pc-rail__chip.is-active {
    border-color: var(--pc-accent);
    background: var(--pc-accent-soft);
    color: var(--pc-accent-deep);
}

.pc-spotlight {
    display: grid;
    gap: var(--pc-space-md);
    padding: var(--pc-space-md);
    border-radius: var(--pc-radius-lg);
    background: linear-gradient(135deg, var(--pc-berry-soft), var(--pc-accent-soft));
    border: 2px solid var(--pc-line-strong);
}

.pc-spotlight__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.5rem;
}

.pc-spotlight__title {
    margin: 0;
    font-size: 1.35rem;
}

.pc-ad-slot {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 5.5rem;
    margin-block: var(--pc-space-sm);
    padding: var(--pc-space-xs);
}

#pc-ad-templates .pc-ad-slot {
    display: none;
}

.pc-ad-slot__label {
    margin: 0;
    width: 100%;
    max-width: var(--pc-max);
    font-family: var(--pc-font-mono);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: var(--pc-ink-muted);
}

.pc-ad-slot__unit {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 5rem;
}

.pc-ad-slot--empty .pc-ad-slot__unit {
    max-width: 728px;
    border: 1px dashed var(--pc-line-strong);
    border-radius: var(--pc-radius-sm);
    background: color-mix(in srgb, var(--pc-surface) 88%, var(--pc-brand) 12%);
}

.pc-ad-slot__placeholder {
    font-family: var(--pc-font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pc-ink-muted);
}

/* 详情页 fold 广告：突破 pc-wrap 宽度，与视口同宽；置于正文区之后，远离 Play 控件 */
.pc-ad-slot--fullbleed {
    width: 100vw;
    max-width: 100vw;
    margin-block: var(--pc-space-sm);
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    padding-inline: max(0.75rem, env(safe-area-inset-left)) max(0.75rem, env(safe-area-inset-right));
    box-sizing: border-box;
    border-radius: 0;
}

@media (min-width: 640px) {
    .pc-masonry {
        columns: 3;
    }
}

@media (min-width: 900px) {
    .pc-workbench {
        grid-template-columns: 220px minmax(0, 1fr);
        align-items: start;
    }

    .pc-rail {
        position: sticky;
        top: 1rem;
    }

    .pc-masonry {
        columns: 3;
    }
}

@media (min-width: 1100px) {
    .pc-masonry {
        columns: 4;
    }
}

/* —— Detail: ledger + deck (main stage/dossier | sticky rail) —— */
.pc-detail {
    padding-block: var(--pc-space-md) var(--pc-space-2xl);
}

.pc-detail__crumb {
    font-size: 0.82rem;
    color: var(--pc-ink-muted);
    margin-bottom: var(--pc-space-sm);
}

.pc-detail__crumb a {
    color: var(--pc-ink-soft);
    text-decoration: none;
}

.pc-detail__crumb a:hover {
    text-decoration: underline;
}

.pc-detail-ledger {
    margin-bottom: var(--pc-space-md);
    padding: var(--pc-space-sm) 0 var(--pc-space-sm) var(--pc-space-sm);
    border-left: 4px solid var(--pc-accent);
}

.pc-detail-ledger__cat {
    display: block;
    margin-bottom: 0.25rem;
}

.pc-detail-ledger__title {
    margin: 0;
    font-size: clamp(1.45rem, 4.2vw, 2.35rem);
    line-height: 1.08;
}

.pc-detail-ledger__rating {
    margin-top: 0.45rem;
}

.pc-detail-deck {
    display: grid;
    gap: var(--pc-space-lg);
}

.pc-detail-deck__main {
    display: grid;
    gap: var(--pc-space-md);
    min-width: 0;
}

.pc-stage {
    border-radius: var(--pc-radius-md);
    overflow: hidden;
    border: 2px solid var(--pc-line-strong);
    background: var(--pc-void);
    aspect-ratio: 16 / 9;
}

.pc-stage__frame {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
}

.pc-dossier {
    display: grid;
    gap: 0;
    border: 1px solid var(--pc-line);
    border-radius: var(--pc-radius-md);
    background: var(--pc-surface);
    overflow: hidden;
}

.pc-dossier__block + .pc-dossier__block {
    border-top: 1px solid var(--pc-line);
}

.pc-dossier__heading {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    margin: 0;
    padding: var(--pc-space-sm) var(--pc-space-sm) 0.35rem;
    font-family: var(--pc-font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--pc-ink);
}

.pc-dossier__num {
    font-family: var(--pc-font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--pc-berry);
}

.pc-dossier__body {
    padding: 0 var(--pc-space-sm) var(--pc-space-sm);
    color: var(--pc-ink-soft);
    font-size: 0.94rem;
    line-height: 1.62;
}

.pc-dossier__body p {
    margin: 0 0 0.65rem;
}

.pc-dossier__body p:last-child {
    margin-bottom: 0;
}

.pc-detail-deck__rail {
    display: grid;
    gap: var(--pc-space-md);
    align-content: start;
    min-width: 0;
}

.pc-rail-card {
    padding: var(--pc-space-sm);
    border: 1px solid var(--pc-line);
    border-radius: var(--pc-radius-md);
    background: var(--pc-surface);
}

.pc-rail-card__icon {
    display: block;
    width: 96px;
    height: 96px;
    margin: 0 auto var(--pc-space-sm);
    border-radius: var(--pc-radius-sm);
    border: 2px solid var(--pc-line-strong);
    object-fit: cover;
}

.pc-rail-card__actions {
    display: grid;
    gap: 0.5rem;
    margin-bottom: var(--pc-space-sm);
}

.pc-rail-card__note {
    margin: 0;
}

@media (min-width: 900px) {
    .pc-detail-deck {
        grid-template-columns: minmax(0, 1fr) minmax(240px, 300px);
        align-items: start;
    }

    .pc-detail-deck__main--lead {
        grid-column: 1;
        grid-row: 1;
    }

    .pc-detail-deck__main--tail {
        grid-column: 1;
        grid-row: 2;
    }

    .pc-detail-deck__rail {
        grid-column: 2;
        grid-row: 1 / 3;
        position: sticky;
        top: 1rem;
    }
}

/* —— Category page —— */
.pc-category-page {
    padding-block: var(--pc-space-md) var(--pc-space-2xl);
}

.pc-category-page__head {
    margin-bottom: var(--pc-space-md);
}

.pc-category-page__title {
    margin: 0.25rem 0 0;
    font-size: clamp(1.75rem, 5vw, 2.5rem);
}

.pc-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr));
    gap: var(--pc-space-sm);
}

/* —— Static prose —— */
.pc-prose {
    padding-block: var(--pc-space-lg) var(--pc-space-2xl);
}

.pc-prose h1 {
    font-family: var(--pc-font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin: 0 0 var(--pc-space-sm);
}

.pc-prose h2 {
    font-family: var(--pc-font-display);
    font-size: 1.35rem;
    margin: var(--pc-space-lg) 0 var(--pc-space-xs);
}

.pc-prose p,
.pc-prose li {
    color: var(--pc-ink-soft);
}

.pc-prose ul {
    padding-left: 1.25rem;
}

.pc-principles {
    display: grid;
    gap: var(--pc-space-sm);
    margin: var(--pc-space-md) 0;
}

.pc-principles__grid {
    display: grid;
    gap: var(--pc-space-sm);
}

@media (min-width: 700px) {
    .pc-principles__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.pc-principle {
    padding: var(--pc-space-sm);
    border-radius: var(--pc-radius-md);
    background: var(--pc-surface);
    border: 2px solid var(--pc-line);
}

.pc-principle strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--pc-ink);
}

.pc-cta-band {
    margin: var(--pc-space-lg) 0;
    padding: var(--pc-space-md);
    border-radius: var(--pc-radius-lg);
    background: var(--pc-accent-soft);
    border: 2px dashed var(--pc-accent);
}

.pc-cta-band__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: var(--pc-space-sm);
}

/* —— Footer Ft6 —— */
.pc-foot {
    margin-top: var(--pc-space-xl);
    background: var(--pc-void);
    color: var(--pc-footer-fg);
}

.pc-foot__wave {
    display: block;
    width: 100%;
    height: 28px;
    color: var(--pc-accent);
}

.pc-foot__grid {
    display: grid;
    gap: var(--pc-space-xs);
    padding: var(--pc-space-sm) 0 var(--pc-space-xs);
    align-items: center;
}

.pc-foot__intro {
    min-width: 0;
}

.pc-foot__brand {
    margin: 0;
    font-family: var(--pc-font-display);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--pc-on-dark);
}

.pc-foot__tagline {
    margin: 0.15rem 0 0;
    font-size: 0.78rem;
    line-height: 1.35;
    color: var(--pc-footer-fg-soft);
}

.pc-foot__nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.15rem 0.85rem;
}

.pc-foot__nav a {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0.1rem 0;
    color: var(--pc-footer-link);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1.2;
}

.pc-foot__nav a:hover {
    color: var(--pc-honey);
    text-decoration: underline;
}

.pc-foot__bottom {
    margin: 0;
    padding: var(--pc-space-2xs) 0 var(--pc-space-sm);
    border-top: 1px solid var(--pc-footer-border);
    font-size: 0.75rem;
    line-height: 1.35;
    color: var(--pc-footer-fg-muted);
    text-align: center;
}

.pc-foot__bottom a {
    color: var(--pc-footer-link);
}

@media (min-width: 768px) {
    .pc-foot__grid {
        grid-template-columns: 1fr auto;
        align-items: center;
    }

    .pc-foot__nav {
        justify-content: flex-end;
    }
}