/* Bunko file browser — landing-specific components.
   Audio player, lyrics and studio controls remain in app.css. */

:root {
    --landing-max-width: 1080px;
    --landing-control-size: 44px;
    --landing-row-min-height: 68px;
    --landing-gap: 0.625rem;
    --file-action-menu-bg: #181720;
}

html[data-theme="light"] {
    --file-action-menu-bg: #ffffff;
}

html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
    overscroll-behavior-x: none;
}

.app,
.browser-shell {
    max-width: 100%;
    overflow-x: clip;
}

.browser-shell {
    width: 100%;
    min-width: 0;
}

.app {
    max-width: var(--landing-max-width);
}

.header {
    min-height: 96px;
    margin-bottom: 1.5rem;
    padding: 0 230px 0 56px;
    text-align: left;
}

.header-identity {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    min-width: 0;
}

.header-photo-wrap {
    width: 88px;
    height: 88px;
    margin: 0;
    flex: 0 0 auto;
}

.header-photo {
    width: 88px;
    height: 88px;
}

.header-copy {
    min-width: 0;
}

.header h1,
.header p {
    margin: 0;
}

.header h1 {
    line-height: 1.15;
}

.header p {
    margin-top: 0.25rem;
}

.count-badge {
    margin-top: 0.45rem;
}

.bio-link {
    appearance: none;
    width: fit-content;
    display: flex;
    align-items: center;
    gap: 0.18rem;
    margin-top: 0.45rem;
    color: var(--text-muted);
    font-size: 0.76rem;
    text-decoration: none;
    border: 0;
    padding: 0;
    background: transparent;
    font-family: inherit;
    cursor: pointer;
    transition: color 160ms ease;
}

body.bio-modal-open {
    overflow: hidden;
}

.bio-modal[hidden] {
    display: none;
}

.bio-modal {
    position: fixed;
    inset: 0;
    z-index: 1500;
    display: grid;
    place-items: center;
    padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
}

.bio-modal-backdrop {
    position: absolute;
    inset: 0;
    border: 0;
    background: rgba(7, 6, 12, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.bio-modal-panel {
    position: relative;
    width: min(100%, 680px);
    max-height: min(760px, calc(100dvh - 2rem));
    overflow: auto;
    overscroll-behavior: contain;
    border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
    border-radius: 24px;
    color: var(--text);
    background: color-mix(in srgb, var(--surface) 96%, var(--accent) 4%);
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.46);
    outline: none;
}

.bio-modal-header {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.15rem 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 94%, var(--accent) 6%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.bio-modal-header span {
    color: var(--accent);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.bio-modal-header h2 {
    margin: 0.18rem 0 0;
    font-size: 1.35rem;
}

.bio-modal-close {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    background: var(--surface-hover);
    font: 300 1.5rem/1 inherit;
    cursor: pointer;
}

.bio-modal-close:hover,
.bio-modal-close:focus-visible {
    color: var(--text);
    border-color: var(--accent);
    outline: none;
}

.bio-modal-content {
    padding: clamp(1.25rem, 4vw, 2.5rem);
}

.bio-modal-portrait-wrap {
    position: relative;
    width: 132px;
    height: 132px;
    margin: 0 auto 1.6rem;
}

.bio-modal-portrait-wrap::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.52), rgba(244, 114, 182, 0.14) 58%, transparent 72%);
    filter: blur(8px);
}

.bio-modal-portrait {
    position: relative;
    width: 100%;
    height: 100%;
    display: block;
    border: 2px solid rgba(167, 139, 250, 0.48);
    border-radius: 50%;
    object-fit: cover;
}

.bio-modal-intro {
    max-width: 34rem;
    margin: 0 auto 1.65rem;
    color: var(--text);
    font-size: clamp(1.08rem, 3vw, 1.3rem);
    line-height: 1.55;
    text-align: center;
}

.bio-modal-story {
    max-width: 570px;
    margin: 0 auto;
}

.bio-modal-story p {
    margin: 0 0 1rem;
    color: var(--text-muted);
    font-size: 0.96rem;
    line-height: 1.75;
}

.bio-modal blockquote {
    max-width: 570px;
    margin: 1.8rem auto 0;
    padding: 0.1rem 0 0.1rem 1.1rem;
    border-left: 2px solid var(--accent);
    color: var(--text);
    font-family: Georgia, 'Times New Roman', serif;
    font-size: clamp(1.1rem, 3vw, 1.35rem);
    font-style: italic;
    line-height: 1.55;
}

html[data-theme="light"] .bio-modal-backdrop {
    background: rgba(53, 47, 70, 0.36);
}

@media (max-width: 520px) {
    .bio-modal {
        align-items: end;
        padding-inline: 0.65rem;
    }

    .bio-modal-panel {
        max-height: calc(100dvh - max(1.25rem, env(safe-area-inset-top)) - max(0.75rem, env(safe-area-inset-bottom)));
        border-radius: 22px;
    }

    .bio-modal-content {
        padding: 1.2rem 1.15rem 1.6rem;
    }

    .bio-modal-portrait-wrap {
        width: 104px;
        height: 104px;
        margin-bottom: 1.25rem;
    }
}

.bio-link svg {
    width: 13px;
    height: 13px;
    fill: currentColor;
    transition: transform 160ms ease;
}

.bio-link:hover,
.bio-link:focus-visible {
    color: var(--accent);
    outline: none;
}

.bio-link:hover svg,
.bio-link:focus-visible svg {
    transform: translateX(2px);
}

.theme-toggle {
    width: var(--landing-control-size);
    height: var(--landing-control-size);
}

.lang-switcher {
    min-height: var(--landing-control-size);
    align-items: center;
}

.breadcrumbs {
    flex-wrap: nowrap;
    min-height: 44px;
    margin-bottom: 0.875rem;
    padding: 0.35rem 0.5rem;
    overflow-x: auto;
    scrollbar-width: thin;
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    border: 1px solid var(--border);
    border-radius: 12px;
    white-space: nowrap;
    overscroll-behavior-inline: contain;
    touch-action: pan-x;
}

.breadcrumbs a,
.breadcrumbs .current {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 0.55rem;
    border-radius: 8px;
}

.browser-tools-toggle {
    position: sticky;
    right: 0;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    flex: 0 0 36px;
    margin-left: auto;
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--text-muted);
    background: var(--surface);
    box-shadow: -10px 0 14px var(--bg);
    cursor: pointer;
    touch-action: manipulation;
}

.browser-tools-toggle svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.browser-tools-toggle:hover,
.browser-tools-toggle:focus-visible,
.browser-tools-toggle[aria-expanded="true"] {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: color-mix(in srgb, var(--accent) 38%, var(--border));
    outline: none;
}

.browser-tools-toggle[aria-expanded="true"] svg {
    transform: rotate(90deg);
}

.browser-toolbar[hidden] {
    display: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
    background: var(--surface-hover);
    outline: none;
}

.breadcrumbs .current {
    background: var(--accent-soft);
    color: var(--accent);
}

.file-item.parent-folder {
    min-height: 54px;
    border-style: dashed;
    background: color-mix(in srgb, var(--surface) 72%, transparent);
}

.file-item.parent-folder .file-title {
    color: var(--text-muted);
}

.file-item[data-kind="folder"] {
    --entry-accent: var(--cat-folder);
}

.file-item[data-category="audio"] { --entry-accent: var(--cat-audio); }
.file-item[data-category="document"] { --entry-accent: var(--cat-document); }
.file-item[data-category="image"] { --entry-accent: var(--cat-image); }
.file-item[data-category="video"] { --entry-accent: var(--cat-video); }
.file-item[data-category="archive"] { --entry-accent: var(--cat-archive); }
.file-item[data-category="other"] { --entry-accent: var(--cat-other); }

.browser-toolbar {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.browser-search,
.browser-sort {
    min-height: var(--landing-control-size);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0 0.75rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 11px;
}

.browser-sort {
    position: relative;
    padding-right: 0.35rem;
}

.browser-search:focus-within,
.browser-sort:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.browser-search svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.browser-search svg,
.browser-sort span {
    color: var(--text-muted);
    flex: 0 0 auto;
}

.browser-search input,
.browser-sort-button {
    min-width: 0;
    width: 100%;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
    font: inherit;
}

.browser-sort-button {
    width: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.35rem 0.2rem;
    cursor: pointer;
    white-space: nowrap;
}

.browser-sort-button svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    fill: currentColor;
    transition: transform .18s ease;
}

.browser-sort-button[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.browser-sort-menu {
    position: absolute;
    z-index: 30;
    top: calc(100% + 0.45rem);
    right: 0;
    width: 220px;
    padding: 0.45rem;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--file-action-menu-bg);
    box-shadow: 0 16px 38px rgba(0, 0, 0, 0.34);
}

.browser-sort-menu[hidden] {
    display: none;
}

.browser-sort-group {
    display: grid;
    gap: 0.2rem;
}

.browser-sort-group button {
    min-height: 40px;
    padding: 0.5rem 0.65rem;
    border: 0;
    border-radius: 9px;
    color: var(--text);
    background: transparent;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.browser-sort-group button[aria-pressed="true"] {
    color: var(--accent);
    background: var(--accent-soft);
    font-weight: 700;
}

.browser-sort-group button[aria-pressed="true"]::after {
    content: '✓';
    float: right;
}

.browser-sort-menu hr {
    height: 1px;
    margin: 0.4rem 0;
    border: 0;
    background: var(--border);
}

.browser-no-results {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--text-muted);
}

.file-item[hidden] {
    display: none !important;
}

.file-list {
    gap: var(--landing-gap);
}

.file-item {
    position: relative;
    min-height: var(--landing-row-min-height);
    overflow: hidden;
    touch-action: manipulation;
    content-visibility: auto;
    contain-intrinsic-size: auto var(--landing-row-min-height);
}

.file-badge {
    width: 42px;
    height: 42px;
    border-radius: 12px;
}

.file-title {
    font-size: 1rem;
}

.file-meta {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.meta-separator {
    opacity: 0.55;
}

.offline-status {
    display: inline-flex;
    align-items: center;
    gap: 0.16rem;
    min-width: 0;
    padding: 0.04rem 0.3rem;
    border: 1px solid color-mix(in srgb, var(--playing) 22%, transparent);
    border-radius: 999px;
    color: color-mix(in srgb, var(--playing) 62%, var(--text-muted));
    background: color-mix(in srgb, var(--playing) 5%, transparent);
    font-size: 0.59rem;
    font-weight: 650;
    line-height: 1.35;
    white-space: nowrap;
}

.offline-status[hidden] {
    display: none;
}

.offline-status svg {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    fill: currentColor;
}

.file-actions {
    position: relative;
    gap: 0.3rem;
}

.file-actions-menu {
    display: flex;
    gap: 0.3rem;
}

.file-actions .btn-more {
    display: none;
    color: color-mix(in srgb, var(--accent) 68%, var(--text-muted));
    border-color: color-mix(in srgb, var(--accent) 20%, var(--border));
    background: color-mix(in srgb, var(--accent) 9%, var(--player-control-bg));
}

.file-actions .btn-menu-close {
    display: none;
}

.file-actions .btn-icon {
    width: var(--landing-control-size);
    height: var(--landing-control-size);
    border: 1px solid transparent;
    touch-action: manipulation;
}

.file-actions .btn-more {
    border-color: color-mix(in srgb, var(--accent) 20%, var(--border));
}

.file-actions .btn-icon:hover,
.file-actions .btn-icon:focus-visible {
    border-color: color-mix(in srgb, currentColor 30%, transparent);
    outline: none;
}

.file-actions.is-open .file-actions-menu {
    border-color: color-mix(in srgb, var(--accent) 26%, var(--border));
    background: color-mix(in srgb, var(--file-action-menu-bg) 91%, var(--accent) 9%);
}

.file-actions.is-open .file-actions-menu .btn-icon {
    background: color-mix(in srgb, var(--accent) 5%, var(--player-control-bg));
}

.btn-offline {
    position: relative;
}

.btn-offline[data-offline-state="loading"] svg {
    animation: offline-download-pulse 1s ease-in-out infinite;
}

.btn-offline[data-offline-state="downloaded"] {
    border-color: color-mix(in srgb, var(--playing) 52%, transparent);
    background: color-mix(in srgb, var(--playing) 15%, var(--player-control-bg));
    color: var(--playing);
}

.btn-offline[data-offline-state="downloaded"]::after {
    content: '';
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 6px;
    height: 6px;
    border: 1px solid var(--player-control-bg);
    border-radius: 50%;
    background: var(--playing);
    box-shadow: 0 0 7px color-mix(in srgb, var(--playing) 70%, transparent);
}

.btn-offline[data-offline-state="error"] {
    color: #f87171;
}

@keyframes offline-download-pulse {
    0%, 100% { opacity: .45; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(2px); }
}

@media (prefers-reduced-motion: reduce) {
    .btn-offline[data-offline-state="loading"] svg { animation: none; }
}

.file-item[data-kind="file"]:not(.playable):not(.image-item) .file-info {
    cursor: default;
}

.file-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.file-item:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent);
    outline-offset: 2px;
}

.file-item.active {
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--playing) 55%, transparent),
                0 10px 28px rgba(0, 0, 0, 0.16);
}

.playing-mini-eq {
    height: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.playing-mini-eq i {
    width: 3px;
    height: 16px;
    border-radius: 3px;
    background: currentColor;
    transform: scaleY(.35);
    transform-origin: center;
    animation: playing-mini-eq .72s ease-in-out infinite alternate;
}

.playing-mini-eq i:nth-child(2) { animation-duration: .54s; animation-delay: -.28s; }
.playing-mini-eq i:nth-child(3) { animation-duration: .82s; animation-delay: -.46s; }
.playing-mini-eq i:nth-child(4) { animation-duration: .61s; animation-delay: -.17s; }

.file-item.active[data-category="audio"] .file-extension { display: none; }
.file-item.active[data-category="audio"] .playing-mini-eq { display: flex; }

@keyframes playing-mini-eq {
    0% { transform: scaleY(.25); }
    55% { transform: scaleY(.9); }
    100% { transform: scaleY(.48); }
}

.file-info {
    overflow: hidden;
}

.file-title {
    display: block;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item.active .file-title.is-overflowing {
    width: max-content;
    max-width: none;
    overflow: visible;
    text-overflow: clip;
    will-change: transform;
    backface-visibility: hidden;
    animation: landing-title-scroll var(--title-scroll-duration, 9s) cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
}

@keyframes landing-title-scroll {
    from { transform: translate3d(5px, 0, 0); }
    to { transform: translate3d(calc(-1 * var(--title-overflow, 0px) - 5px), 0, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .file-item,
    .playing-mini-eq i,
    .file-item.active .file-title.is-overflowing {
        animation: none;
        transition-duration: 0.01ms;
    }
}

@media (min-width: 800px) {
    .file-list {
        display: block;
        columns: 2;
        column-gap: var(--landing-gap);
    }

    .file-list .file-item {
        width: 100%;
        margin-bottom: var(--landing-gap);
        break-inside: avoid;
        -webkit-column-break-inside: avoid;
    }

    .file-item.parent-folder {
        column-span: all;
    }
}

/* Safari can repeatedly discard the composited layer of the second CSS
   column when content-visibility is combined with fixed player overlays. */
@media (min-width: 800px) and (orientation: landscape) and (pointer: coarse) {
    .file-list .file-item {
        content-visibility: visible;
        contain-intrinsic-size: none;
    }
}

@media (max-width: 640px) {
    :root {
        --landing-row-min-height: 64px;
        --landing-gap: 0.5rem;
    }

    .app {
        padding-inline: 0.875rem;
    }

    .header {
        min-height: 124px;
        padding: 52px 0 0;
        margin-bottom: 1.25rem;
        text-align: center;
    }

    .header-identity {
        width: min(100%, 280px);
        min-height: 72px;
        display: grid;
        grid-template-columns: 68px minmax(0, 200px);
        align-items: start;
        gap: 0.75rem;
        margin-inline: auto;
        justify-content: center;
    }

    .header-photo-wrap {
        align-self: start;
    }

    .header-photo-wrap,
    .header-photo {
        width: 68px;
        height: 68px;
    }

    .header-copy {
        text-align: left;
    }

    .header h1 {
        font-size: 1.3rem;
    }

    .header p {
        font-size: 0.8rem;
    }

    .count-badge {
        font-size: 0.72rem;
        padding: 0.18rem 0.55rem;
    }

    .bio-link {
        font-size: 0.7rem;
    }

    .breadcrumbs {
        margin-inline: 0;
        padding: 0.45rem 0.5rem;
        scroll-padding-inline: 0.5rem;
    }

    .file-item {
        gap: 0.7rem;
        padding-inline: 0.75rem;
    }

    .file-actions .btn-icon {
        width: var(--landing-control-size);
        height: var(--landing-control-size);
    }

    .browser-toolbar {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .browser-sort {
        padding-inline: 0.55rem;
    }

    .browser-sort-caption {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }

    .browser-search input,
    .browser-sort-button {
        font-size: 16px;
    }

    .file-index {
        width: 1.5rem;
    }
}

@media (max-width: 400px) {
    .file-index {
        display: none;
    }

    .file-badge {
        width: 38px;
        height: 38px;
    }
}

@media (max-width: 440px) {
    .file-actions .btn-more {
        display: grid;
        place-items: center;
    }

    .file-actions-menu {
        display: none;
    }

    .file-actions.is-open .btn-more {
        visibility: hidden;
    }

    .file-actions.is-open .file-actions-menu {
        position: absolute;
        z-index: 4;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        display: flex;
        padding: 3px;
        border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
        border-radius: 13px;
        background: color-mix(in srgb, var(--file-action-menu-bg) 91%, var(--accent) 9%);
        box-shadow: -10px 0 24px rgba(0, 0, 0, 0.42);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    .file-actions.is-open .btn-menu-close {
        display: grid;
        place-items: center;
        color: var(--text-muted);
    }
}

/* Mobile landscape: keep actions folded behind the burger until requested. */
@media (orientation: landscape) and (max-height: 600px) and (pointer: coarse) {
    .file-actions .btn-more {
        display: grid;
        place-items: center;
    }

    .file-actions-menu {
        display: none;
    }

    .file-actions.is-open .btn-more {
        visibility: hidden;
    }

    .file-actions.is-open .file-actions-menu {
        position: absolute;
        z-index: 4;
        top: 50%;
        right: 0;
        transform: translateY(-50%);
        display: flex;
        padding: 3px;
        border: 1px solid color-mix(in srgb, var(--accent) 26%, var(--border));
        border-radius: 13px;
        background: color-mix(in srgb, var(--file-action-menu-bg) 91%, var(--accent) 9%);
        box-shadow: -10px 0 24px rgba(0, 0, 0, 0.42);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }

    .file-actions.is-open .btn-menu-close {
        display: grid;
        place-items: center;
        color: var(--text-muted);
    }
}

html[data-theme="light"] .file-actions.is-open .file-actions-menu {
    box-shadow: 0 5px 14px rgba(79, 60, 126, 0.11);
}

@media (forced-colors: active) {
    .file-item.active {
        outline: 2px solid Highlight;
    }
}