/* mobile-tab-bar.css: 모바일 하단 고정 탭 바 (#darkthread-site-mobile-chrome) */

/* 래퍼에 z-index/position 을 두면 fixed 탭 바가 .noise(z-index:2) 뒤로 깔림 */
.darkthread-site-mobile-chrome {
    pointer-events: none;
}

.darkthread-site-mobile-chrome > * {
    pointer-events: auto;
}

.darkthread-site-mobile-fab-root {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 70;
    height: 0;
    overflow: visible;
    pointer-events: none;
}

.darkthread-site-mobile-fab-root > .darkthread-site-mobile-fab {
    pointer-events: none;
}

:root {
    --darkthread-mobile-tab-bar-bottom-pad: 0.7rem;
    --darkthread-mobile-tab-bar-height: 4.55rem;
    --darkthread-mobile-tab-bar-inset: calc(
        var(--darkthread-mobile-tab-bar-height) + env(safe-area-inset-bottom, 0px)
    );
    /* 어둑시니 배회 바가 탭 위에 붙을 때 본문·FAB 여백용 (chrome-presence.js로 표시 시 body에서 덮어씀) */
    --darkthread-mobile-chrome-presence-stack: 0px;
    --darkthread-mobile-fab-stack-reserve: 11rem;
    --darkthread-mobile-overlay-bottom-reserve: calc(
        var(--darkthread-mobile-tab-bar-inset)
        + var(--darkthread-mobile-chrome-presence-stack, 0px)
        + 0.35rem
        + var(--darkthread-mobile-fab-stack-reserve)
    );
}

@media (max-width: 1079px) {
    /* 하단 고정 크롬(탭·배회 바)이 푸터·오버스크롤 bounce와 같이 끌려 올라가지 않도록 */
    html:has(body.darkthread-has-mobile-tab-bar),
    body.darkthread-has-mobile-tab-bar {
        overscroll-behavior-y: none;
    }

    body.darkthread-has-mobile-tab-bar {
        padding-bottom: calc(
            var(--darkthread-mobile-tab-bar-height)
            + env(safe-area-inset-bottom, 0px)
            + var(--darkthread-mobile-chrome-presence-stack, 0px)
        );
    }

    body.darkthread-has-mobile-tab-bar #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar .darkthread-mobile-scroll-nav {
        bottom: calc(
            var(--darkthread-mobile-tab-bar-height)
            + max(0.5rem, env(safe-area-inset-bottom, 0px))
            + var(--darkthread-mobile-chrome-presence-stack, 0px)
            + 0.35rem
        );
    }

    body.darkthread-has-mobile-tab-bar #darkthread-fixed-mascot,
    body.darkthread-has-mobile-tab-bar .darkthread-fixed-mascot {
        bottom: calc(
            var(--darkthread-mobile-tab-bar-height)
            + max(0.75rem, env(safe-area-inset-bottom, 0px))
            + var(--darkthread-mobile-chrome-presence-stack, 0px)
            + 0.5rem
        );
    }

    /* .noise 안의 드로어가 메시지 바 위를 덮고, 하단 탭 바 아래에 남도록 */
    body.darkthread-has-mobile-tab-bar.darkthread-notification-open > .noise,
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open > .noise,
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open > .noise,
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open > .noise,
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) > .noise {
        z-index: 98;
    }

    /* 드로어 레이어 위에 하단 탭 바 유지 */
    body.darkthread-has-mobile-tab-bar.darkthread-notification-open #darkthread-mobile-tab-bar,
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open #darkthread-mobile-tab-bar,
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open #darkthread-mobile-tab-bar,
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open #darkthread-mobile-tab-bar,
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) #darkthread-mobile-tab-bar {
        z-index: 100;
    }

    body.darkthread-has-mobile-tab-bar.darkthread-notification-open #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) #darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-notification-open .darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open .darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open .darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open .darkthread-mobile-scroll-nav,
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) .darkthread-mobile-scroll-nav {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    /* 드로어가 열려도 메시지 바는 탭 바 바로 위 위치를 유지한다. */
    body.darkthread-has-mobile-tab-bar.darkthread-notification-open
        #darkthread-status-bar.dt-chrome-presence-bar.dt-chrome-presence-bar--mobile-dock:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open
        #darkthread-status-bar.dt-chrome-presence-bar.dt-chrome-presence-bar--mobile-dock:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open
        #darkthread-status-bar.dt-chrome-presence-bar.dt-chrome-presence-bar--mobile-dock:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open
        #darkthread-status-bar.dt-chrome-presence-bar.dt-chrome-presence-bar--mobile-dock:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open)
        #darkthread-status-bar.dt-chrome-presence-bar.dt-chrome-presence-bar--mobile-dock:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-notification-open
        #darkthread-status-bar.dt-chrome-presence-bar[data-dt-chrome-presence-dock="mobile"]:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-profile-open
        #darkthread-status-bar.dt-chrome-presence-bar[data-dt-chrome-presence-dock="mobile"]:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-settings-open
        #darkthread-status-bar.dt-chrome-presence-bar[data-dt-chrome-presence-dock="mobile"]:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar.darkthread-nav-drawer-open
        #darkthread-status-bar.dt-chrome-presence-bar[data-dt-chrome-presence-dock="mobile"]:not(
            :has([data-darkthread-presence-message][hidden])
        ),
    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open)
        #darkthread-status-bar.dt-chrome-presence-bar[data-dt-chrome-presence-dock="mobile"]:not(
            :has([data-darkthread-presence-message][hidden])
        ) {
        z-index: 95;
    }

    /* 드로어 패널 하단 = 하단 탭 바 상단. 메시지 바는 드로어 아래로 덮인다. */
    body.darkthread-has-mobile-tab-bar .darkthread-notification-drawer,
    body.darkthread-has-mobile-tab-bar .darkthread-profile-drawer,
    body.darkthread-has-mobile-tab-bar #darkthread-settings-drawer {
        top: 0;
        bottom: var(--darkthread-mobile-tab-bar-inset);
        height: auto;
        min-height: 0;
        max-height: none;
    }

    body.darkthread-has-mobile-tab-bar .darkthread-profile-drawer-body,
    body.darkthread-has-mobile-tab-bar .darkthread-notification-drawer-body,
    body.darkthread-has-mobile-tab-bar .darkthread-nav-drawer-nav {
        scroll-padding-bottom: 0.75rem;
    }

    body.darkthread-has-mobile-tab-bar #darkthread-settings-drawer .darkthread-profile-drawer-main {
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    body.darkthread-has-mobile-tab-bar #darkthread-settings-drawer .darkthread-profile-drawer-body {
        flex: 0 0 auto;
        overflow: visible;
    }

    body.darkthread-has-mobile-tab-bar .darkthread-nav-drawer-root .darkthread-nav-drawer {
        top: 0;
        bottom: var(--darkthread-mobile-tab-bar-inset);
        height: auto;
        min-height: 0;
        max-height: none;
    }

    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) .darkthread-category-filter-modal-host {
        align-items: flex-end;
        padding-bottom: calc(
            var(--darkthread-mobile-tab-bar-inset) + var(--darkthread-mobile-chrome-presence-stack, 0px) + 0.75rem
        );
    }

    body.darkthread-has-mobile-tab-bar:has(.is-category-panel-open) .darkthread-list-categories--modal-body {
        max-height: min(
            78vh,
            calc(
                100dvh
                - var(--darkthread-mobile-tab-bar-inset)
                - var(--darkthread-mobile-chrome-presence-stack, 0px)
                - 2rem
            )
        );
    }
}

/* 본문 스크롤만 막고, 뷰포트 오른쪽 스크롤 트랙은 유지(레이아웃 점프·사라짐 방지) */
html.darkthread-page-scroll-locked {
    overflow-x: hidden;
    overflow-y: scroll;
    overscroll-behavior: none;
}

body.darkthread-page-scroll-locked {
    overflow: hidden;
    overscroll-behavior: none;
    position: fixed;
    width: 100%;
    top: var(--darkthread-scroll-lock-top, 0);
    left: 0;
    right: 0;
}

/*
 * body 고정 시 sticky 레이아웃 붕괴 방지 — 레일·사이드바만 고정하면 그리드가 재계산되어
 * list/view/home 본문이 밀리므로, JS가 잡은 레이아웃 루트(.dt-v2-shell 등) 통째로 고정한다.
 */
body.darkthread-page-scroll-locked .darkthread-scroll-lock-pinned {
    position: fixed !important;
    top: var(--darkthread-scroll-lock-top) !important;
    left: var(--darkthread-scroll-lock-left) !important;
    width: var(--darkthread-scroll-lock-width) !important;
    max-width: var(--darkthread-scroll-lock-width) !important;
    margin: 0 !important;
    transform: none !important;
    z-index: 4;
    box-sizing: border-box !important;
}

body.darkthread-page-scroll-locked .darkthread-notification-drawer-body,
body.darkthread-page-scroll-locked .darkthread-profile-drawer-body,
body.darkthread-page-scroll-locked #darkthread-settings-drawer .darkthread-profile-drawer-main,
body.darkthread-page-scroll-locked .darkthread-nav-drawer-nav,
body.darkthread-page-scroll-locked .darkthread-list-categories--modal-body {
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
}

#darkthread-mobile-tab-bar.darkthread-site-mobile-tab-bar,
.darkthread-mobile-tab-bar {
    display: none;
}

@media (max-width: 1079px) {
    #darkthread-mobile-tab-bar.darkthread-site-mobile-tab-bar,
    .darkthread-mobile-tab-bar {
        position: fixed;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 55;
        transform: translate3d(0, 0, 0);
        -webkit-transform: translate3d(0, 0, 0);
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        align-items: end;
        gap: 0;
        min-height: var(--darkthread-mobile-tab-bar-height);
        padding:
            0.42rem max(0.4rem, env(safe-area-inset-left, 0px))
            calc(var(--darkthread-mobile-tab-bar-bottom-pad) + env(safe-area-inset-bottom, 0px))
            max(0.4rem, env(safe-area-inset-right, 0px));
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(3, 3, 3, 0.94);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.42);
    }

    .darkthread-mobile-tab-bar__item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-end;
        gap: 0.28rem;
        min-width: 0;
        min-height: 3.3rem;
        padding: 0.2rem 0.12rem 0.08rem;
        border: 0;
        background: transparent;
        color: var(--dt-fg-muted);
        font: inherit;
        text-decoration: none;
        cursor: pointer;
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(var(--dt-crimson-border-rgb), 0.18);
        transition: color 0.15s ease;
    }

    .darkthread-mobile-tab-bar__item:hover,
    .darkthread-mobile-tab-bar__item:focus-visible {
        color: var(--dt-fg);
        outline: none;
    }

    .darkthread-mobile-tab-bar__item.is-active {
        color: #8b3a3a;
    }

    .darkthread-mobile-tab-bar__item--button {
        appearance: none;
    }

    .darkthread-mobile-tab-bar__icon {
        position: relative;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.85rem;
        height: 1.85rem;
        font-size: 1.25rem;
        line-height: 1;
    }

    .darkthread-mobile-tab-bar__label {
        max-width: 100%;
        overflow: hidden;
        font-size: 0.72rem;
        font-weight: 600;
        line-height: 1.1;
        letter-spacing: -0.01em;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .darkthread-mobile-tab-bar__item--home {
        justify-content: center;
        gap: 0;
        padding-bottom: 0.2rem;
    }

    .darkthread-mobile-tab-bar__home-icon {
        display: block;
        width: 3rem;
        height: 3rem;
        border-radius: 0.82rem;
        object-fit: cover;
        box-shadow:
            0 0 0 1px rgba(255, 255, 255, 0.12),
            0 6px 16px rgba(0, 0, 0, 0.45);
        transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .darkthread-mobile-tab-bar__item--home.is-active .darkthread-mobile-tab-bar__home-icon {
        box-shadow:
            0 0 0 1px rgba(var(--dt-crimson-border-rgb), 0.35),
            0 0 18px rgba(var(--dt-crimson-rgb), 0.35),
            0 6px 16px rgba(0, 0, 0, 0.45);
    }

    .darkthread-mobile-tab-bar__badge {
        position: absolute;
        top: -0.2rem;
        right: -0.35rem;
        min-width: 1.1rem;
        height: 1.1rem;
        padding: 0 0.22rem;
        border-radius: 999px;
        background: var(--dt-crimson);
        color: #fff;
        font-size: 0.64rem;
        font-weight: 700;
        line-height: 1.1rem;
        text-align: center;
        box-shadow: 0 0 0 1px rgba(3, 3, 3, 0.9);
    }

    .darkthread-mobile-tab-bar__badge[hidden] {
        display: none !important;
    }

    .darkthread-mobile-tab-bar__avatar-shell {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 1.85rem;
        height: 1.85rem;
        overflow: hidden;
        border-radius: 999px;
        background:
            radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.18), transparent 52%),
            linear-gradient(135deg, rgba(64, 64, 64, 0.36), rgba(5, 5, 5, 0.96));
        box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
    }

    .darkthread-mobile-tab-bar__item--profile.is-active .darkthread-mobile-tab-bar__avatar-shell {
        box-shadow:
            inset 0 0 0 1px rgba(var(--dt-crimson-border-rgb), 0.35),
            0 0 12px rgba(var(--dt-crimson-rgb), 0.28);
    }

    .darkthread-mobile-tab-bar__avatar-image {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .darkthread-mobile-tab-bar__avatar-image.hidden,
    .darkthread-mobile-tab-bar__avatar-fallback.hidden {
        display: none;
    }

    .darkthread-mobile-tab-bar__avatar-fallback {
        color: var(--dt-fg);
        font-size: 0.76rem;
        font-weight: 800;
        line-height: 1;
        text-transform: uppercase;
    }
}

/* ===== v2 라이트 테마 (html 클래스 — 페이지 CSS와 분리) ===== */

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar.darkthread-site-mobile-tab-bar,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar {
    border-color: #e5e7eb;
    background: #ffffff;
    box-shadow: 0 -1px 0 #e5e7eb;
}

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__item,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__item {
    color: var(--dt-fg-soft);
}

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__item:hover,
html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__item.is-active,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__item:hover,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__item.is-active {
    color: #111827;
}

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__item--home.is-active .darkthread-mobile-tab-bar__home-icon,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__item--home.is-active .darkthread-mobile-tab-bar__home-icon {
    box-shadow:
        0 0 0 1px rgba(var(--dt-crimson-rgb), 0.28),
        0 0 14px rgba(var(--dt-crimson-rgb), 0.2),
        0 6px 16px rgba(15, 23, 42, 0.12);
}

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__avatar-shell,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__avatar-shell {
    background:
        radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.85), transparent 52%),
        linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    box-shadow:
        inset 0 0 0 1px rgba(100, 116, 139, 0.45),
        0 0 0 1px rgba(148, 163, 184, 0.3);
}

html.darkthread-board-list-v2-theme-light #darkthread-mobile-tab-bar .darkthread-mobile-tab-bar__avatar-fallback,
html.darkthread-board-list-v2-theme-light .darkthread-mobile-tab-bar__avatar-fallback {
    color: var(--dt-fg);
}