/* ============================================
   BOTTOM NAV BAR — iOS design, all screens
   Home (center), Shop, Cart, Wishlist, Account
   ============================================ */

:root {
    --bottom-bar-height: 56px;
    --bottom-bar-safe: env(safe-area-inset-bottom, 0px);
    --bottom-bar-total: calc(var(--bottom-bar-height) + var(--bottom-bar-safe));
    /* Black & white theme */
    --bottom-bar-bg: #ffffff;
    --bottom-bar-border: rgba(0, 0, 0, 0.12);
    --bottom-bar-shadow: 0 -2px 16px rgba(0, 0, 0, 0.1);
    --bottom-bar-z: 1000;
    --bottom-bar-icon-size: 24px;
    --bottom-bar-label-size: 10px;
    --bottom-bar-accent: #000000;
    --bottom-bar-inactive: rgba(0, 0, 0, 0.5);
}

/* Reserve space so content/footer isn’t hidden behind the bar */
body.has-bottom-bar {
    padding-bottom: var(--bottom-bar-total);
}

/* Bar container: fixed at bottom, never moves with scroll */
.bottom-bar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--bottom-bar-z);
    display: flex;
    align-items: stretch;
    justify-content: center;
    min-height: var(--bottom-bar-height);
    padding-bottom: var(--bottom-bar-safe);
    background: var(--bottom-bar-bg);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-top: 1px solid var(--bottom-bar-border);
    box-shadow: var(--bottom-bar-shadow);
    border-radius: 20px 20px 0 0;
    -webkit-tap-highlight-color: transparent;
    /* Keep bar in fixed position; prevent any scroll-based movement */
    transform: translateZ(0);
    backface-visibility: hidden;
    will-change: transform;
}

/* Inner flex: 5 items, equal width, Home visually centered */
.bottom-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: 6px 8px 0;
}

/* Each item: column layout, min 44px touch target (iOS HIG) */
.bottom-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
    padding: 6px 4px 8px;
    color: var(--bottom-bar-inactive);
    text-decoration: none;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    font-size: var(--bottom-bar-label-size);
    font-weight: 500;
    line-height: 1.2;
    transition: color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.bottom-bar-item:hover {
    color: rgba(0, 0, 0, 0.75);
}

.bottom-bar-item:active {
    opacity: 0.7;
}

.bottom-bar-item.active {
    color: var(--bottom-bar-accent);
}

/* Icon wrapper for consistent hit area */
.bottom-bar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--bottom-bar-icon-size);
    height: var(--bottom-bar-icon-size);
    margin-bottom: 2px;
}

.bottom-bar-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.bottom-bar-item.active .bottom-bar-icon svg {
    stroke: var(--bottom-bar-accent);
}

/* Label */
.bottom-bar-label {
    font-size: var(--bottom-bar-label-size);
    letter-spacing: 0.01em;
    color: inherit;
}

/* Badge (cart count, wishlist count) — black & white */
.bottom-bar-badge {
    position: absolute;
    top: 2px;
    right: 50%;
    transform: translate(50%, -50%);
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 8px;
    background: #000000;
    color: #ffffff;
    font-size: 10px;
    font-weight: 600;
    line-height: 16px;
    text-align: center;
}

.bottom-bar-icon {
    position: relative;
}

/* Responsive: slightly smaller on very small screens */
@media (max-width: 360px) {
    :root {
        --bottom-bar-height: 52px;
        --bottom-bar-icon-size: 22px;
        --bottom-bar-label-size: 9px;
    }
    .bottom-bar-inner {
        padding: 4px 4px 0;
    }
    .bottom-bar-item {
        padding: 4px 2px 6px;
    }
}

/* Tablet and up: bar can be a bit more compact or same */
@media (min-width: 768px) {
    .bottom-bar-inner {
        max-width: 480px;
        padding: 8px 12px 0;
    }
    .bottom-bar-item {
        padding: 8px 6px 10px;
    }
}

/* Gleam animation when item added to cart (triggered by JS) */
@keyframes bottom-bar-cart-gleam {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    25% {
        transform: scale(1.2);
        opacity: 1;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
    75% {
        transform: scale(1.08);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes bottom-bar-cart-badge-pop {
    0% {
        transform: translate(50%, -50%) scale(1);
    }
    40% {
        transform: translate(50%, -50%) scale(1.35);
    }
    70% {
        transform: translate(50%, -50%) scale(1.1);
    }
    100% {
        transform: translate(50%, -50%) scale(1);
    }
}

.bottom-bar-item.js-bottom-bar-cart .bottom-bar-icon {
    transition: transform 0.2s ease;
}

.bottom-bar-item.js-bottom-bar-cart.cart-gleam .bottom-bar-icon {
    animation: bottom-bar-cart-gleam 0.5s ease;
}

.bottom-bar-item.js-bottom-bar-cart.cart-gleam .bottom-bar-icon .js-cart-count {
    animation: bottom-bar-cart-badge-pop 0.45s ease;
}

/* WhatsApp FAB should stay above the bottom bar */
.whatsapp-fab {
    z-index: 1001;
}

/* Optional: hide on large desktop if you prefer (uncomment to hide) */
/* @media (min-width: 1025px) {
    .bottom-bar { display: none; }
    body.has-bottom-bar { padding-bottom: 0; }
} */