/* Bottom Navigation + More Sheet */
:root {
    --bn-safe-bottom: env(safe-area-inset-bottom, 0px);
    --bn-safe-left: env(safe-area-inset-left, 0px);
    --bn-safe-right: env(safe-area-inset-right, 0px);
}

.bbb-bottom-nav-spacer {
    height: calc(76px + var(--bn-safe-bottom));
}

.bbb-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1100;
    padding: 10px calc(10px + var(--bn-safe-right)) calc(10px + var(--bn-safe-bottom)) calc(10px + var(--bn-safe-left));
    background: var(--surface);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    will-change: transform, opacity;
}

body.bottom-menu-active.bbb-bottom-nav-hidden .bbb-bottom-nav {
    opacity: 0;
    pointer-events: none;
    transform: translateY(calc(100% + var(--bn-safe-bottom)));
}

body.dot-menu-active .bbb-bottom-nav {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

body.bottom-menu-active .bbb-bottom-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

body.bottom-menu-active nav.navbar.navbar-dark.fixed-top,
body.bottom-menu-active #userDrawer,
body.bottom-menu-active #drawerOverlay {
    display: none !important;
}

.bbb-bottom-nav__inner {
    max-width: 740px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 6px;
}

.bbb-bottom-nav__item {
    -webkit-tap-highlight-color: transparent;
    appearance: none;
    border: 0;
    background: transparent;
    padding: 10px 8px;
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--muted);
    text-decoration: none;
    min-height: 54px;
    transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.bbb-bottom-nav__item:active {
    transform: scale(0.98);
}

.bbb-bottom-nav__icon {
    font-size: 18px;
    line-height: 1;
}

.bbb-bottom-nav__label {
    font-size: 11px;
    line-height: 1;
    font-weight: 600;
    letter-spacing: 0.2px;
    text-align: center;
    white-space: nowrap;
}

.bbb-bottom-nav__item.is-active {
    color: var(--primary);
    background: rgba(79, 70, 229, 0.10);
}

body[data-theme="dark"] .bbb-bottom-nav__item.is-active {
    background: rgba(129, 140, 248, 0.14);
}

.bbb-bottom-nav__item:focus-visible {
    outline: 2px solid rgba(79, 70, 229, 0.55);
    outline-offset: 2px;
}

/* Desktop/tablet: keep it, but make it look like a dock */
@media (min-width: 769px) {
    .bbb-bottom-nav {
        padding: 14px 18px 18px;
        background: transparent;
        border-top: 0;
        pointer-events: none;
    }

    .bbb-bottom-nav__inner {
        pointer-events: auto;
        background: var(--surface);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
        border-radius: 18px;
        padding: 10px;
        max-width: 820px;
    }

    .bbb-bottom-nav__label {
        font-size: 12px;
    }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    .bbb-bottom-nav__item {
        transition: none;
    }
}

.bbb-menu-style-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
    z-index: 1200;
}

.bbb-menu-style-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.bbb-menu-style-sheet {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1201;
    transform: translateY(110%);
    transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
    will-change: transform;
    padding: 10px 12px calc(12px + var(--bn-safe-bottom)) 12px;
}

.bbb-menu-style-sheet.is-open {
    transform: translateY(0%);
}

.bbb-menu-style-sheet__panel {
    max-width: 560px;
    margin: 0 auto;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-2);
    overflow: hidden;
}

.bbb-menu-style-sheet__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 14px;
    border-bottom: 1px solid var(--border);
}

.bbb-menu-style-sheet__title {
    font-weight: 800;
    font-size: 14px;
    margin: 0;
    color: var(--text);
}

.bbb-menu-style-sheet__close {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 12px;
    padding: 8px 10px;
}

.bbb-menu-style-sheet__body {
    padding: 12px;
    display: grid;
    gap: 10px;
}

.bbb-menu-style-sheet__option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-weight: 800;
    cursor: pointer;
}

.bbb-menu-style-sheet__option input {
    accent-color: var(--primary);
}