.navbar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width, 260px);
    padding: 24px 18px;
    background:
        radial-gradient(circle at top left, rgba(255, 107, 61, 0.10), transparent 18rem),
        #080d0f;
    border-right: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-direction: column;
    z-index: 50;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -0.04em;
    margin-bottom: 38px;
}

.navbar__brand-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, #ff7a3c, #ff5c3c);
    box-shadow: 0 14px 30px rgba(255, 92, 60, 0.26);
}

.navbar__brand span span {
    color: #ff6b3d;
}

.navbar__menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.navbar__menu a,
.navbar__footer a {
    min-height: 52px;
    padding: 0 16px;
    border-radius: 17px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: rgba(255,255,255,0.72);
    font-size: 15px;
    font-weight: 800;
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.navbar__menu a span,
.navbar__footer a span {
    width: 22px;
    display: inline-grid;
    place-items: center;
    color: rgba(255,255,255,0.72);
}

.navbar__menu a:hover,
.navbar__footer a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.navbar__menu a.active,
.navbar__footer a.active {
    background: linear-gradient(135deg, #ff7a3c, #ff5c3c);
    color: #fff;
    box-shadow: 0 18px 36px rgba(255, 92, 60, 0.23);
}

.navbar__menu a.active span,
.navbar__footer a.active span {
    color: #fff;
}

.navbar__footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.10);
    display: grid;
    gap: 8px;
}

.mobile-bottom-nav,
.mobile-more-backdrop,
.mobile-more-panel {
    display: none;
}

@media (max-width: 860px) {
    body {
        padding-bottom: calc(88px + env(safe-area-inset-bottom));
    }

    .navbar {
        display: none;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        height: 72px;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        background:
            radial-gradient(circle at top left, rgba(255, 107, 61, 0.12), transparent 14rem),
            #080d0f;
        border: 1px solid rgba(255,255,255,0.10);
        border-radius: 24px;
        box-shadow: 0 20px 55px rgba(0,0,0,0.36);
        z-index: 100;
        overflow: hidden;
    }

    .mobile-bottom-nav a,
    .mobile-more-button {
        border: 0;
        background: transparent;
        color: rgba(255,255,255,0.72);
        display: grid;
        place-items: center;
        align-content: center;
        gap: 5px;
        font-size: 11px;
        font-weight: 850;
        cursor: pointer;
        min-width: 0;
    }

    .mobile-bottom-nav span,
    .mobile-more-button span {
        font-size: 17px;
        line-height: 1;
    }

    .mobile-bottom-nav a.active,
    .mobile-more-button.active {
        margin: 8px 4px;
        border-radius: 18px;
        background: linear-gradient(135deg, #ff7a3c, #ff5c3c);
        color: #fff;
        box-shadow: 0 12px 28px rgba(255, 92, 60, 0.25);
    }

    .mobile-more-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.46);
        z-index: 110;
        opacity: 0;
        pointer-events: none;
        transition: 160ms ease;
        display: block;
    }

    .mobile-more-backdrop.active {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-more-panel {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: calc(92px + env(safe-area-inset-bottom));
        max-height: min(70vh, 520px);
        overflow-y: auto;
        background:
            radial-gradient(circle at top left, rgba(255, 107, 61, 0.14), transparent 16rem),
            #080d0f;
        border: 1px solid rgba(255,255,255,0.10);
        border-radius: 26px;
        box-shadow: 0 24px 70px rgba(0,0,0,0.42);
        z-index: 120;
        padding: 18px;
        transform: translateY(18px) scale(0.98);
        opacity: 0;
        pointer-events: none;
        transition: 180ms ease;
        display: block;
    }

    .mobile-more-panel.active {
        transform: translateY(0) scale(1);
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-more-header {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 16px;
        margin-bottom: 16px;
    }

    .mobile-more-header strong {
        color: #fff;
        display: block;
        font-size: 20px;
        margin-bottom: 4px;
    }

    .mobile-more-header span {
        color: rgba(255,255,255,0.58);
        font-size: 13px;
    }

    .mobile-more-header button {
        width: 40px;
        height: 40px;
        border: 0;
        border-radius: 14px;
        background: rgba(255,255,255,0.08);
        color: #fff;
        font-size: 24px;
        cursor: pointer;
    }

    .mobile-more-links {
        display: grid;
        gap: 8px;
    }

    .mobile-more-links a {
        min-height: 52px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 0 14px;
        color: rgba(255,255,255,0.76);
        font-weight: 850;
    }

    .mobile-more-links a span {
        width: 24px;
        display: inline-grid;
        place-items: center;
    }

    .mobile-more-links a.active {
        background: linear-gradient(135deg, #ff7a3c, #ff5c3c);
        color: #fff;
    }
}