.toon-reader-page .container {
    width: min(1180px, calc(100% - 40px));
    max-width: 1180px;
}

.toon-reader-page .header {
    max-width: 900px;
    margin-right: auto;
    margin-left: auto;
}

.toon-reader-page .ost-banner {
    max-width: 1180px;
}

.reader-layout {
    display: grid;
    grid-template-columns: minmax(0, 760px) minmax(300px, 380px);
    gap: 28px;
    align-items: start;
}

.reader-panel {
    min-width: 0;
    overflow: clip;
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.reader-toolbar {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    min-height: 92px;
    padding: 18px 20px;
    border-bottom: 1px solid #e9e9e9;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
}

.reader-current {
    min-width: 0;
}

.reader-episode-number {
    display: block;
    margin-bottom: 4px;
    color: #171717;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.05em;
}

.reader-episode-title {
    overflow: hidden;
    color: #686868;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: -0.035em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.reader-top-navigation,
.reader-bottom-navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.reader-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 10px 14px;
    border: 1px solid #dedede;
    border-radius: 10px;
    background: #fff;
    color: #292929;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.18s, border-color 0.18s, background 0.18s;
}

.reader-nav-link:hover {
    border-color: #b8b8b8;
    background: #f5f5f5;
    transform: translateY(-1px);
}

.reader-nav-link.is-disabled {
    cursor: default;
    border-color: #ececec;
    background: #f7f7f7;
    color: #b5b5b5;
    transform: none;
}

.episode-select-label {
    display: none;
}

.reader-comic-images {
    display: flex;
    flex-direction: column;
    gap: 40px;
    min-height: 360px;
    background: #fff;
}

.reader-loading,
.reader-error {
    display: flex;
    min-height: 360px;
    align-items: center;
    justify-content: center;
    padding: 32px;
    color: #666;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

.comic-image-wrapper {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.comic-image {
    display: block;
    width: 100%;
    height: auto;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

.comic-video {
    background: #111;
}

.image-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: transparent;
    pointer-events: none;
}

.reader-bottom-navigation {
    padding: 20px;
    border-top: 1px solid #e9e9e9;
    background: #fff;
}

.reader-bottom-navigation .reader-nav-link {
    min-height: 52px;
    font-size: 15px;
}

.episode-sidebar {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 112px);
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.45) transparent;
}

.episode-sidebar::-webkit-scrollbar {
    width: 6px;
}

.episode-sidebar::-webkit-scrollbar-thumb {
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.45);
}

.episode-sidebar .action-bar {
    width: auto;
    max-width: none;
    margin: 0 2px 16px;
}

.episode-sidebar .action-bar-sort-only {
    justify-content: flex-end;
}

.episode-sidebar > .ost-banner {
    width: calc(100% - 4px);
    max-width: none;
    margin: 0 2px 16px;
}

.episode-sidebar > .ost-banner .ost-banner-label {
    right: 14px;
    left: 14px;
    font-size: clamp(14px, 1.5vw, 18px);
}

.sidebar-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0 2px 16px;
    color: #fff;
    text-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.sidebar-heading h2 {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.sidebar-heading span {
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.episode-sidebar .episodes-grid {
    align-items: stretch;
    gap: 12px;
    margin-bottom: 0;
}

.episode-sidebar .episode-card {
    width: 100%;
    max-width: none;
    min-height: 112px;
    gap: 12px;
    padding: 13px;
    border: 3px solid transparent;
    border-radius: 13px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.16);
}

.episode-sidebar .episode-card:hover {
    transform: translateY(-2px);
}

.episode-sidebar .episode-card.is-active {
    border-color: #ffc400;
    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.15), 0 10px 24px rgba(0, 0, 0, 0.22);
}

.episode-sidebar .episode-content {
    align-self: center;
    min-width: 0;
}

.episode-sidebar .episode-number {
    margin-bottom: 6px;
    font-size: 22px;
}

.episode-sidebar .episode-info {
    display: -webkit-box;
    margin-bottom: 0;
    overflow: hidden;
    font-size: 12px;
    line-height: 1.4;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.episode-sidebar .episode-thumbnail-wrapper {
    width: auto;
    flex: 0 0 108px;
    gap: 5px;
    margin-top: 0;
}

.episode-sidebar .episode-thumbnail {
    min-width: 0;
}

.episode-sidebar.is-single-thumbnail .episode-thumbnail-wrapper {
    width: 52px;
    height: 65px;
    aspect-ratio: auto;
    flex-basis: 52px;
}

.reader-panel:focus {
    outline: none;
}

.reader-panel:focus-visible {
    outline: 3px solid #ffc400;
    outline-offset: 4px;
}

@media screen and (max-width: 980px) {
    .toon-reader-page .container {
        width: min(760px, calc(100% - 32px));
    }

    .reader-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .episode-sidebar {
        position: static;
        max-height: none;
        overflow: visible;
    }

    .episode-sidebar .episodes-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .toon-reader-page .container {
        width: 100%;
    }

    .toon-reader-page .header {
        margin-bottom: 30px;
    }

    .reader-layout {
        gap: 22px;
    }

    .reader-panel {
        border-radius: 14px;
    }

    .reader-comic-images {
        gap: 24px;
    }

    .reader-toolbar {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 10px;
        min-height: 0;
        padding: 14px;
    }

    .reader-current {
        grid-column: auto;
    }

    .reader-episode-number {
        font-size: 21px;
    }

    .reader-episode-title {
        font-size: 13px;
    }

    .reader-top-navigation {
        justify-self: end;
    }

    .reader-nav-link {
        min-height: 38px;
        padding: 9px 10px;
        font-size: 12px;
    }

    .reader-bottom-navigation {
        padding: 14px;
    }

    .reader-bottom-navigation .reader-nav-link {
        min-height: 48px;
        font-size: 14px;
    }

    .episode-sidebar .episodes-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .episode-sidebar .episode-card {
        flex-direction: row;
        align-items: center;
        padding: 13px;
    }

    .episode-sidebar .episode-thumbnail-wrapper {
        width: auto;
        flex: 0 0 108px;
        margin-top: 0;
    }
}