/*
 * A calm, native-looking liquid-glass dock for the passenger app.
 * The glass is intentionally static: its depth comes from blur, refraction,
 * and a reflective rim instead of a moving background.
 */

body.liquid-body .app-bottom-nav.liquid-bottom-navigation {
    --liquid-glass-light-x: 28%;
    --liquid-glass-light-y: -18%;
    --liquid-glass-shift-x: 0px;
    --liquid-glass-shift-y: 0px;
    --liquid-glass-tilt: 0deg;
    position: fixed;
    z-index: 950;
    right: 50% !important;
    bottom: max(12px, env(safe-area-inset-bottom)) !important;
    left: auto !important;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    align-items: center;
    gap: 4px;
    width: min(600px, calc(100% - 28px)) !important;
    min-height: 70px;
    box-sizing: border-box;
    padding: 5px !important;
    overflow: hidden;
    isolation: isolate;
    border: 1px solid rgba(255, 255, 255, .48) !important;
    border-radius: 999px !important;
    background:
        radial-gradient(115% 140% at var(--liquid-glass-light-x) var(--liquid-glass-light-y), rgba(255, 255, 255, .46), transparent 48%),
        radial-gradient(75% 130% at 100% 130%, rgba(163, 105, 255, .34), transparent 64%),
        linear-gradient(112deg, rgba(47, 29, 105, .82), rgba(25, 17, 65, .72) 53%, rgba(66, 33, 128, .80)) !important;
    box-shadow:
        0 18px 42px rgba(23, 10, 62, .30),
        0 4px 10px rgba(14, 7, 39, .16),
        inset 0 1px 0 rgba(255, 255, 255, .55),
        inset 0 -1px 0 rgba(255, 255, 255, .12) !important;
    -webkit-backdrop-filter: blur(28px) saturate(175%) brightness(1.05);
    backdrop-filter: blur(28px) saturate(175%) brightness(1.05);
    transform: translateX(50%) !important;
    pointer-events: auto;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation::before,
body.liquid-body .app-bottom-nav.liquid-bottom-navigation::after {
    content: "";
    position: absolute;
    z-index: 0;
    display: block !important;
    pointer-events: none;
    animation: none !important;
}

/* The upper rim catches light, while the lower rim supplies the glass depth. */
body.liquid-body .app-bottom-nav.liquid-bottom-navigation::before {
    inset: 1px;
    border: 1px solid rgba(255, 255, 255, .20);
    border-radius: inherit;
    background:
        radial-gradient(68% 120% at var(--liquid-glass-light-x) var(--liquid-glass-light-y), rgba(255, 255, 255, .26), transparent 58%),
        linear-gradient(180deg, rgba(255, 255, 255, .20), transparent 36%),
        linear-gradient(90deg, rgba(255, 255, 255, .12), transparent 22% 78%, rgba(226, 206, 255, .14));
    transition: background-position .14s ease-out;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation::after {
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(42% 88% at 50% 115%, rgba(7, 3, 29, .28), transparent 72%),
        linear-gradient(116deg, transparent 30%, rgba(255, 255, 255, .10) 49%, transparent 62%);
    opacity: .9;
    transform: translate3d(var(--liquid-glass-shift-x), var(--liquid-glass-shift-y), 0) rotate(var(--liquid-glass-tilt)) scale(1.04);
    transition: transform .16s cubic-bezier(.2, .8, .25, 1);
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item {
    position: relative;
    z-index: 1;
    display: flex;
    min-width: 0;
    min-height: 58px;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 6px 4px;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: rgba(248, 245, 255, .78);
    font-size: 10px;
    font-weight: 700;
    line-height: 1.25;
    text-shadow: 0 1px 2px rgba(8, 3, 30, .30);
    transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
    -webkit-tap-highlight-color: transparent;
    isolation: isolate;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item::before,
body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item::after {
    animation: none !important;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item.is-active::after {
    content: none;
    display: none !important;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item i {
    font-size: 19px;
    line-height: 1;
    transition: transform .18s ease;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item.is-active {
    border-color: rgba(255, 255, 255, .46) !important;
    background:
        radial-gradient(85% 95% at 23% 0%, rgba(255, 255, 255, .52), transparent 41%),
        linear-gradient(135deg, rgba(160, 100, 255, .73), rgba(99, 42, 211, .82)) !important;
    box-shadow:
        0 7px 17px rgba(12, 3, 42, .28),
        inset 0 1px 0 rgba(255, 255, 255, .70),
        inset 0 -7px 15px rgba(47, 10, 128, .24) !important;
    color: #fff !important;
    -webkit-backdrop-filter: blur(12px) saturate(165%);
    backdrop-filter: blur(12px) saturate(165%);
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item.is-active::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 1px;
    display: block;
    border-radius: inherit;
    background:
        radial-gradient(58% 54% at var(--liquid-glass-light-x) -8%, rgba(255, 255, 255, .62), transparent 72%),
        linear-gradient(110deg, transparent 28%, rgba(255, 255, 255, .14) 48%, transparent 66%);
    opacity: .72;
    transform: translate3d(calc(var(--liquid-glass-shift-x) * -.35), calc(var(--liquid-glass-shift-y) * -.35), 0);
    transition: transform .16s cubic-bezier(.2, .8, .25, 1);
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item > i,
body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item > span {
    position: relative;
    z-index: 1;
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item.is-active i {
    transform: translateY(-1px) scale(1.06);
}

@media (hover: hover) {
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item:not(.is-active):hover {
        background: rgba(255, 255, 255, .12);
        color: #fff;
    }
}

body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item:active {
    transform: scale(.95);
}

/* A very slow caustic shift keeps the glass alive without becoming a moving
   background. Pointer input above adds a stronger, immediate refraction. */
@media (prefers-reduced-motion: no-preference) {
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation::before {
        animation: bottom-nav-liquid-rim 7s ease-in-out infinite !important;
    }

    body.liquid-body .app-bottom-nav.liquid-bottom-navigation::after {
        animation: bottom-nav-liquid-refraction 6.2s cubic-bezier(.42, 0, .28, 1) infinite !important;
    }
}

@keyframes bottom-nav-liquid-rim {
    0%, 100% { transform: translate3d(0, 0, 0); opacity: .88; }
    50% { transform: translate3d(1.5px, -.5px, 0); opacity: 1; }
}

@keyframes bottom-nav-liquid-refraction {
    0%, 100% {
        transform: translate3d(var(--liquid-glass-shift-x), var(--liquid-glass-shift-y), 0) rotate(var(--liquid-glass-tilt)) scale(1.04);
        opacity: .74;
    }
    48% {
        transform: translate3d(calc(var(--liquid-glass-shift-x) - 2px), calc(var(--liquid-glass-shift-y) + 1px), 0) rotate(calc(var(--liquid-glass-tilt) + .35deg)) scale(1.075);
        opacity: 1;
    }
}

@media (max-width: 720px) {
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation {
        bottom: max(10px, env(safe-area-inset-bottom)) !important;
        width: calc(100% - 20px) !important;
        min-height: 68px;
        padding: 5px !important;
    }

    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item {
        min-height: 56px;
        gap: 4px;
        padding: 5px 2px;
        font-size: 9px;
    }

    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item i {
        font-size: 18px;
    }

    body.liquid-body .app-shell {
        padding-bottom: calc(106px + env(safe-area-inset-bottom)) !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation,
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item,
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item i,
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation::before,
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation::after,
    body.liquid-body .app-bottom-nav.liquid-bottom-navigation > .bottom-nav-item.is-active::before {
        transition: none;
        animation: none !important;
    }
}