/**
 * VISNER — floating liquid glass tab bar (iOS / liquid glass).
 * Разметка: nav.bottom-nav.visner-liquid-nav
 * Активная зона: .visner-liquid-nav__pill-inner (капсула вокруг иконки + подписи).
 */

:root {
    --visner-lnav-ios-blue: #0a84ff;
    /* Нейтральное «стекло» без коричневого подтонна */
    --visner-lnav-glass-fill: rgba(58, 58, 62, 0.38);
    --visner-lnav-glass-border: rgba(255, 255, 255, 0.32);
    --visner-lnav-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 2px 10px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.22), inset 0 -1px 0 rgba(0, 0, 0, 0.05);
    --visner-lnav-pill-idle: transparent;
    --visner-lnav-pill-active-fill: rgba(255, 255, 255, 0.09);
    --visner-lnav-pill-active-glow: 0 0 0 1px rgba(10, 132, 255, 0.32), 0 2px 14px rgba(10, 132, 255, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
    --visner-lnav-label-inactive: rgba(255, 255, 255, 0.78);
    --visner-lnav-icon-size: 23px;
}

/* Контейнер: без полосы на всю ширину — только «острова» */
.visner-liquid-nav.bottom-nav {
    pointer-events: none;
    display: block;
    background: transparent !important;
    background-image: none !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    isolation: isolate;
    z-index: 1000;
    padding-left: max(12px, env(safe-area-inset-left, 0px)) !important;
    padding-right: max(12px, env(safe-area-inset-right, 0px)) !important;
    padding-bottom: max(8px, var(--visner-bottom-edge-inset, env(safe-area-inset-bottom, 0px))) !important;
    padding-top: 0 !important;
}

.visner-liquid-nav__shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 12px;
    width: 100%;
    max-width: min(var(--container, 480px), 100%);
    margin-inline: auto;
    box-sizing: border-box;
    pointer-events: auto;
}

/* Капсула с тремя вкладками — колонка 1, FAB никогда не пересекается */
.visner-liquid-nav__capsule {
    grid-column: 1;
    width: 100%;
    min-width: 0;
    display: flex;
    align-items: stretch;
    padding: 2px;
    gap: 0;
    border-radius: 100px;
    background: var(--visner-lnav-glass-fill);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--visner-lnav-glass-border);
    box-shadow: var(--visner-lnav-glass-shadow);
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab {
    flex: 1 1 0;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    cursor: pointer;
    /* Иначе глобальный .nav-item { touch-action: manipulation } ломает скролл main при старте жеста на табе */
    touch-action: pan-y pinch-zoom;
    -webkit-tap-highlight-color: transparent;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        'SF Pro Text',
        system-ui,
        sans-serif;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--visner-lnav-label-inactive);
    transition:
        color 0.28s ease,
        transform 0.2s ease;
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab:active {
    transform: scale(0.98);
}

/* Внутренняя капсула: только она подсвечивается при active */
.visner-liquid-nav__pill-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    width: auto;
    max-width: 100%;
    padding: 4px 10px 5px;
    box-sizing: border-box;
    border-radius: 999px;
    background: var(--visner-lnav-pill-idle);
    box-shadow: none;
    transition:
        background 0.32s cubic-bezier(0.25, 0.1, 0.25, 1),
        box-shadow 0.32s cubic-bezier(0.25, 0.1, 0.25, 1),
        transform 0.22s ease;
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab.active .visner-liquid-nav__pill-inner {
    background: var(--visner-lnav-pill-active-fill);
    box-shadow: var(--visner-lnav-pill-active-glow);
}

.visner-liquid-nav__ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--visner-lnav-icon-size);
    height: var(--visner-lnav-icon-size);
    color: inherit;
    flex-shrink: 0;
    transition:
        color 0.28s ease,
        transform 0.32s cubic-bezier(0.34, 1.15, 0.64, 1);
}

.visner-liquid-nav__ico svg {
    width: 100%;
    height: 100%;
    display: block;
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab:not(.active) .visner-liquid-nav__ico {
    color: rgba(255, 255, 255, 0.88);
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab:not(.active) .visner-liquid-nav__label {
    color: rgba(255, 255, 255, 0.68);
}

.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab.active .visner-liquid-nav__ico,
.visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab.active .visner-liquid-nav__label {
    color: var(--visner-lnav-ios-blue);
}

.visner-liquid-nav__tab.active .visner-liquid-nav__ico {
    transform: scale(1.03);
}

.visner-liquid-nav__label {
    line-height: 1.12;
    white-space: nowrap;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Корзина — та же глубина; отдельная колонка grid — без налезания */
.visner-liquid-nav__fab.nav-item {
    grid-column: 2;
    justify-self: end;
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    touch-action: pan-y pinch-zoom;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--visner-lnav-glass-fill);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--visner-lnav-glass-border);
    color: rgba(255, 255, 255, 0.94);
    box-shadow: var(--visner-lnav-glass-shadow);
    transition:
        background 0.32s cubic-bezier(0.25, 0.1, 0.25, 1),
        box-shadow 0.3s ease,
        transform 0.2s ease,
        color 0.26s ease;
    -webkit-tap-highlight-color: transparent;
}

.visner-liquid-nav__fab .visner-liquid-nav__ico {
    width: 23px;
    height: 23px;
}

.visner-liquid-nav__fab:active {
    transform: scale(0.94);
}

.visner-liquid-nav__fab.active {
    background: rgba(255, 255, 255, 0.12);
    color: var(--visner-lnav-ios-blue);
    box-shadow:
        var(--visner-lnav-pill-active-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.visner-liquid-nav__fab.active .visner-liquid-nav__ico {
    color: var(--visner-lnav-ios-blue);
}

.visner-liquid-nav__badge.badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 17px;
    height: 17px;
    padding: 0 5px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 700;
    line-height: 17px;
    background: linear-gradient(135deg, #ff2d92, #ff1493);
    color: #fff;
    border: 2px solid rgba(24, 24, 28, 0.92);
    box-shadow: 0 2px 8px rgba(255, 45, 146, 0.4);
    pointer-events: none;
}

.visner-liquid-nav__badge.badge.hidden {
    display: none !important;
}

@media (prefers-reduced-transparency: reduce) {
    .visner-liquid-nav__capsule,
    .visner-liquid-nav__fab {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background: rgba(38, 38, 42, 0.92);
    }
}

@media (prefers-reduced-motion: reduce) {
    .visner-liquid-nav__capsule .nav-item,
    .visner-liquid-nav__fab,
    .visner-liquid-nav__ico,
    .visner-liquid-nav__pill-inner {
        transition-duration: 0.05s !important;
    }
}

/* Минимальная тема — светлое стекло */
html[data-theme='minimal'] {
    --visner-lnav-glass-fill: rgba(255, 253, 249, 0.72);
    --visner-lnav-glass-border: rgba(255, 255, 255, 0.75);
    --visner-lnav-glass-shadow: 0 10px 36px rgba(44, 40, 36, 0.08), 0 2px 12px rgba(44, 40, 36, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.85);
    --visner-lnav-pill-active-fill: rgba(255, 255, 255, 0.88);
    --visner-lnav-pill-active-glow: 0 0 0 1px rgba(10, 132, 255, 0.26), 0 2px 14px rgba(10, 132, 255, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.82);
    --visner-lnav-label-inactive: rgba(44, 40, 36, 0.52);
}

html[data-theme='minimal'] .visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab:not(.active) .visner-liquid-nav__ico {
    color: rgba(44, 40, 36, 0.4);
}

html[data-theme='minimal'] .visner-liquid-nav__capsule .nav-item.visner-liquid-nav__tab:not(.active) .visner-liquid-nav__label {
    color: rgba(44, 40, 36, 0.46);
}

html[data-theme='minimal'] .visner-liquid-nav__fab {
    color: rgba(44, 40, 36, 0.52);
}

html[data-theme='minimal'] .visner-liquid-nav__fab:not(.active) {
    background: rgba(255, 253, 249, 0.78);
}

html[data-theme='minimal'] .visner-liquid-nav__badge.badge {
    border-color: rgba(255, 253, 249, 0.95);
}

/* minimal-theme.css может задавать .bottom-nav { position: relative } — для островов нужен fixed */
html[data-theme='minimal'] .visner-liquid-nav.bottom-nav {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    margin-top: 0 !important;
    width: 100% !important;
    pointer-events: none !important;
    display: block !important;
    background: transparent !important;
    background-image: none !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}

html[data-theme='minimal'] .visner-liquid-nav__shell {
    pointer-events: auto;
}