/* ============================================================
   PISTAR — Component Styles
   Product cards, hero, search, cart, dashboard, etc.
   ============================================================ */

/* ============================================================
   PRODUCT CARDS
   ============================================================ */

.pi-product-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(var(--pi-glass-blur, 24px)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--pi-glass-blur, 24px)) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--pi-radius-xl, 18px);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), inset 0 1px 0 0 rgba(255, 255, 255, 0.8), inset 0 -1px 0 0 rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .pi-product-card {
    background: rgba(26, 26, 62, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 14px 38px -6px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.15), inset 0 -1px 0 0 rgba(255, 255, 255, 0.05);
}

.pi-product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 45px -8px rgba(var(--pi-primary-rgb), 0.22), inset 0 1px 0 0 rgba(255, 255, 255, 0.95);
    border-color: rgba(var(--pi-primary-rgb), 0.35);
}

.pi-product-card .pi-product-image {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--pi-bg-tertiary);
}

.pi-product-card .pi-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--pi-transition-slow);
}

.pi-product-card:hover .pi-product-image img {
    transform: scale(1.05);
}

.pi-product-card .pi-product-badges {
    position: absolute;
    bottom: 8px;
    left: 8px;
    display: flex;
    align-items: center;
    z-index: 2;
    pointer-events: none;
}

.pi-product-card .pi-badge-sale {
    background: linear-gradient(135deg, var(--pi-danger, #EF4444), var(--pi-danger-dark, #DC2626));
    color: #FFF;
    font-size: 10.5px;
    font-weight: 700;
    line-height: 1;
    padding: 2.5px 7px;
    border-radius: var(--pi-radius-full, 9999px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.28);
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 576px) {
    .pi-product-card .pi-product-badges {
        bottom: 6px;
        left: 6px;
    }
    .pi-product-card .pi-badge-sale {
        font-size: 9.5px;
        padding: 2px 6px;
    }
}

.pi-product-card .pi-product-actions {
    position: absolute;
    top: var(--pi-space-3);
    right: var(--pi-space-3);
    display: flex;
    flex-direction: column;
    gap: var(--pi-space-2);
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--pi-transition-base);
}

.pi-product-card:hover .pi-product-actions {
    opacity: 1;
    transform: translateX(0);
}

.pi-product-card .pi-product-action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--pi-radius-md);
    background: var(--pi-bg-primary);
    border: 1px solid var(--pi-border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pi-text-secondary);
    cursor: pointer;
    transition: all var(--pi-transition-fast);
    box-shadow: var(--pi-shadow-sm);
}

.pi-product-card .pi-product-action-btn:hover {
    background: var(--pi-primary);
    color: #FFF;
    border-color: var(--pi-primary);
}

.pi-product-card .pi-product-info {
    padding: var(--pi-space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.pi-product-card .pi-product-category {
    font-size: var(--pi-fs-xs);
    font-weight: var(--pi-fw-semibold);
    color: var(--pi-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--pi-space-2);
}

.pi-product-card .pi-product-title {
    font-size: var(--pi-fs-base);
    font-weight: var(--pi-fw-semibold);
    color: var(--pi-text-primary);
    margin-bottom: var(--pi-space-2);
    line-height: var(--pi-lh-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pi-product-card .pi-product-title a {
    color: inherit;
}
.pi-product-card .pi-product-title a:hover {
    color: var(--pi-primary);
}

.pi-product-card .pi-product-rating {
    display: flex;
    align-items: center;
    gap: var(--pi-space-1);
    margin-bottom: var(--pi-space-3);
}

.pi-product-card .pi-product-rating .pi-stars {
    color: #FFB800;
    font-size: var(--pi-fs-sm);
}

.pi-product-card .pi-product-rating span {
    font-size: var(--pi-fs-xs);
    color: var(--pi-text-tertiary);
}

.pi-product-card .pi-product-pricing {
    display: flex;
    align-items: baseline;
    gap: var(--pi-space-2);
    margin-top: auto;
    padding-top: var(--pi-space-3);
    border-top: 1px solid var(--pi-border-light);
}

.pi-product-card .pi-price-current {
    font-size: var(--pi-fs-lg);
    font-weight: var(--pi-fw-bold);
    color: var(--pi-text-primary);
}

.pi-product-card .pi-price-original {
    font-size: var(--pi-fs-sm);
    color: var(--pi-text-tertiary);
    text-decoration: line-through;
}

.pi-product-card .pi-price-discount {
    font-size: var(--pi-fs-xs);
    font-weight: var(--pi-fw-bold);
    color: var(--pi-success);
}

.pi-product-card .pi-product-cta {
    margin-top: var(--pi-space-3);
    width: 100%;
}

.pi-card-actions-form,
.pi-product-card .pi-product-cta form {
    display: flex !important;
    gap: 5px !important;
    width: 100% !important;
    align-items: center !important;
    justify-content: space-between !important;
    box-sizing: border-box !important;
}

.pi-btn-card-order,
.pi-btn-card-cart,
.pi-product-card .pi-product-cta .btn {
    flex: 1 1 0 !important;
    min-width: 0 !important;
    padding: 7px 4px !important;
    border-radius: 9px !important;
    font-size: 0.77rem !important;
    font-weight: 700 !important;
    letter-spacing: -0.015em !important;
    line-height: 1.25 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    text-align: center !important;
    white-space: nowrap !important;
    text-transform: none !important; /* Critical: Prevents MDBootstrap uppercase expanding */
    box-sizing: border-box !important;
    outline: none !important;
    cursor: pointer !important;
    transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
    user-select: none !important;
    text-decoration: none !important;
}

.pi-btn-card-order i,
.pi-btn-card-cart i,
.pi-product-card .pi-product-cta .btn i {
    font-size: 0.75rem !important;
    flex-shrink: 0 !important;
}

.pi-btn-card-order,
.pi-product-card .pi-product-cta .btn-primary {
    background: linear-gradient(135deg, #7C3AED 0%, #6366F1 50%, #4F46E5 100%) !important;
    color: #FFFFFF !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.28) !important;
}

.pi-btn-card-order:hover,
.pi-product-card .pi-product-cta .btn-primary:hover {
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 50%, #6366F1 100%) !important;
    color: #FFFFFF !important;
    transform: translateY(-1.5px) !important;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4) !important;
}

.pi-btn-card-cart,
.pi-product-card .pi-product-cta .btn-outline-primary {
    background: rgba(99, 102, 241, 0.08) !important;
    color: #4F46E5 !important;
    border: 1.5px solid rgba(99, 102, 241, 0.38) !important;
    backdrop-filter: blur(8px) !important;
    -webkit-backdrop-filter: blur(8px) !important;
}

.pi-btn-card-cart:hover,
.pi-product-card .pi-product-cta .btn-outline-primary:hover {
    background: #4F46E5 !important;
    color: #FFFFFF !important;
    border-color: #4F46E5 !important;
    transform: translateY(-1.5px) !important;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.35) !important;
}

[data-theme="dark"] .pi-btn-card-cart,
[data-theme="dark"] .pi-product-card .pi-product-cta .btn-outline-primary {
    background: rgba(99, 102, 241, 0.18) !important;
    color: #A5B4FC !important;
    border-color: rgba(165, 180, 252, 0.35) !important;
}

@media (max-width: 768px) {
    #productsGridContainer {
        --bs-gutter-x: 0.5rem !important;
        --bs-gutter-y: 0.5rem !important;
    }
    .pi-product-card {
        border-radius: 14px !important;
    }
    .pi-product-card .pi-product-info {
        padding: 0.6rem 0.5rem 0.65rem 0.5rem !important;
        gap: 0.35rem !important;
    }
    .pi-product-title {
        font-size: 0.78rem !important;
        line-height: 1.25 !important;
    }
    .pi-price-current {
        font-size: 0.84rem !important;
    }
}

@media (max-width: 480px) {
    #productsGridContainer {
        --bs-gutter-x: 0.375rem !important;
        --bs-gutter-y: 0.375rem !important;
    }
    .pi-product-card {
        border-radius: 12px !important;
    }
    .pi-product-card .pi-product-info {
        padding: 0.5rem 0.4rem 0.55rem 0.4rem !important;
    }
    .pi-product-title {
        font-size: 0.75rem !important;
    }
    .pi-price-current {
        font-size: 0.80rem !important;
    }
    .pi-card-actions-form,
    .pi-product-card .pi-product-cta form {
        gap: 3px !important;
    }
    .pi-btn-card-order,
    .pi-btn-card-cart,
    .pi-product-card .pi-product-cta .btn {
        padding: 5px 2px !important;
        font-size: 0.68rem !important;
        gap: 2.5px !important;
        letter-spacing: -0.025em !important;
        border-radius: 7px !important;
    }
    .pi-btn-card-order i,
    .pi-btn-card-cart i,
    .pi-product-card .pi-product-cta .btn i {
        font-size: 0.62rem !important;
    }
}

@media (max-width: 375px) {
    #productsGridContainer {
        --bs-gutter-x: 0.3rem !important;
        --bs-gutter-y: 0.3rem !important;
    }
    .pi-product-card .pi-product-info {
        padding: 0.4rem 0.32rem 0.45rem 0.32rem !important;
    }
    .pi-product-title {
        font-size: 0.71rem !important;
    }
    .pi-price-current {
        font-size: 0.76rem !important;
    }
    .pi-btn-card-order,
    .pi-btn-card-cart,
    .pi-product-card .pi-product-cta .btn {
        padding: 4.5px 1.5px !important;
        font-size: 0.64rem !important;
        gap: 2px !important;
        letter-spacing: -0.035em !important;
        border-radius: 6px !important;
    }
    .pi-btn-card-order i,
    .pi-btn-card-cart i,
    .pi-product-card .pi-product-cta .btn i {
        font-size: 0.55rem !important;
    }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.pi-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0F0F23 0%, #1A1A3E 50%, #2D1B69 100%);
}

.pi-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.pi-hero-bg img,
.pi-hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pi-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 15, 35, 0.5);
    z-index: 1;
}

.pi-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--pi-space-8);
    max-width: 800px;
}

.pi-hero-content h1 {
    font-size: var(--pi-fs-6xl);
    font-weight: var(--pi-fw-extrabold);
    color: #FFFFFF;
    margin-bottom: var(--pi-space-4);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.pi-hero-content p {
    font-size: var(--pi-fs-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--pi-space-8);
    line-height: var(--pi-lh-relaxed);
}

.pi-hero-cta {
    display: flex;
    gap: var(--pi-space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.pi-hero-cta .btn {
    padding: var(--pi-space-4) var(--pi-space-10);
    font-size: var(--pi-fs-md);
    border-radius: var(--pi-radius-lg);
}

.pi-hero-cta .btn-primary {
    background: linear-gradient(135deg, var(--pi-primary), var(--pi-secondary));
    box-shadow: 0 8px 30px rgba(var(--pi-primary-rgb), 0.4);
}

.pi-hero-cta .btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.pi-hero-cta .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Animated gradient orbs behind hero */
.pi-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: pi-float 8s ease-in-out infinite;
}

.pi-hero-orb-1 {
    width: 500px;
    height: 500px;
    background: var(--pi-primary);
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.pi-hero-orb-2 {
    width: 400px;
    height: 400px;
    background: var(--pi-accent);
    bottom: -10%;
    left: -5%;
    animation-delay: -3s;
}

.pi-hero-orb-3 {
    width: 300px;
    height: 300px;
    background: var(--pi-secondary);
    top: 40%;
    left: 50%;
    animation-delay: -5s;
}

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */

.pi-announcement-bar {
    background: linear-gradient(90deg, var(--pi-primary), var(--pi-secondary));
    color: #FFFFFF;
    text-align: center;
    padding: var(--pi-space-3) var(--pi-space-4);
    font-size: var(--pi-fs-sm);
    font-weight: var(--pi-fw-medium);
    position: relative;
    z-index: calc(var(--pi-z-fixed) + 1);
}

.pi-announcement-bar .pi-close-announcement {
    position: absolute;
    right: var(--pi-space-4);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: var(--pi-fs-lg);
    padding: var(--pi-space-1);
}

.pi-announcement-bar .pi-close-announcement:hover {
    color: #FFFFFF;
}

/* ============================================================
   SEARCH BAR
   ============================================================ */

.pi-search-bar {
    position: relative;
    max-width: 500px;
}

.pi-search-bar input {
    width: 100%;
    padding: var(--pi-space-3) var(--pi-space-4) var(--pi-space-3) calc(var(--pi-space-4) + 1.5rem);
    background: var(--pi-glass-bg-input, rgba(255, 255, 255, 0.7)) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.65)) !important;
    border-radius: var(--pi-radius-full) !important;
    font-size: var(--pi-fs-sm);
    color: var(--pi-text-primary) !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.04);
    transition: all var(--pi-transition-fast);
}

.pi-search-bar input:focus {
    background: var(--pi-glass-bg-input-focus, rgba(255, 255, 255, 0.95)) !important;
    border-color: var(--pi-primary) !important;
    box-shadow: 0 0 0 3.5px rgba(var(--pi-primary-rgb), 0.2), inset 0 1px 1px rgba(0, 0, 0, 0.02) !important;
    outline: none;
}

[data-theme="dark"] .pi-search-bar input {
    background: var(--pi-glass-bg-input, rgba(18, 18, 40, 0.65)) !important;
    border-color: var(--pi-glass-border, rgba(255, 255, 255, 0.12)) !important;
    color: var(--pi-text-primary) !important;
}

[data-theme="dark"] .pi-search-bar input:focus {
    background: var(--pi-glass-bg-input-focus, rgba(26, 26, 58, 0.92)) !important;
    border-color: var(--pi-primary-light) !important;
    box-shadow: 0 0 0 3.5px rgba(var(--pi-primary-rgb), 0.28) !important;
}

.pi-search-bar .pi-search-icon {
    position: absolute;
    left: var(--pi-space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--pi-text-tertiary);
    font-size: var(--pi-fs-md);
    pointer-events: none;
}

.pi-search-suggestions {
    position: absolute;
    top: calc(100% + var(--pi-space-2));
    left: 0;
    right: 0;
    min-width: 300px;
    background: var(--pi-glass-bg-dropdown, rgba(255, 255, 255, 0.96)) !important;
    backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    -webkit-backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    border: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.65)) !important;
    border-radius: var(--pi-radius-xl, 18px) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12), var(--pi-glass-inner-glow) !important;
    z-index: 1080 !important;
    display: none;
    max-height: 420px;
    overflow-y: auto;
    padding: var(--pi-space-2);
}

[data-theme="dark"] .pi-search-suggestions {
    background: var(--pi-glass-bg-dropdown, rgba(20, 20, 46, 0.92)) !important;
    border-color: var(--pi-glass-border, rgba(255, 255, 255, 0.12)) !important;
}

.pi-search-suggestions.active {
    display: block;
}

.pi-search-suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--pi-space-3);
    padding: var(--pi-space-3) var(--pi-space-4);
    border-radius: var(--pi-radius-md, 10px);
    cursor: pointer;
    transition: background var(--pi-transition-fast);
}

.pi-search-suggestion-item:hover {
    background: var(--pi-bg-hover, rgba(108, 92, 231, 0.08)) !important;
}

.pi-search-suggestion-item img {
    width: 40px;
    height: 40px;
    border-radius: var(--pi-radius-md);
    object-fit: cover;
}

.pi-mobile-search-drawer {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--pi-glass-bg-navbar, rgba(255, 255, 255, 0.95)) !important;
    backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    -webkit-backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    border-bottom: 1px solid var(--pi-border-light, rgba(0, 0, 0, 0.08)) !important;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.12) !important;
    z-index: 2060 !important;
    animation: piSlideDown 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-theme="dark"] .pi-mobile-search-drawer {
    background: rgba(14, 14, 28, 0.96) !important;
    border-bottom-color: rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 14px 35px rgba(0, 0, 0, 0.5) !important;
}

@keyframes piSlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   DASHBOARD CARDS (Stats)
   ============================================================ */

.pi-stat-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(var(--pi-glass-blur, 24px)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--pi-glass-blur, 24px)) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--pi-radius-xl, 18px);
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), inset 0 1px 0 0 rgba(255, 255, 255, 0.8), inset 0 -1px 0 0 rgba(255, 255, 255, 0.2);
    padding: var(--pi-space-6);
    display: flex;
    align-items: flex-start;
    gap: var(--pi-space-4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] .pi-stat-card {
    background: rgba(26, 26, 62, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 14px 38px -6px rgba(0, 0, 0, 0.4), inset 0 1px 0 0 rgba(255, 255, 255, 0.15), inset 0 -1px 0 0 rgba(255, 255, 255, 0.05);
}

.pi-stat-card:hover {
    box-shadow: 0 20px 45px -8px rgba(var(--pi-primary-rgb), 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.95);
    transform: translateY(-4px);
    border-color: rgba(var(--pi-primary-rgb), 0.35);
}

.pi-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--pi-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.pi-stat-icon.primary { background: rgba(var(--pi-primary-rgb), 0.1); color: var(--pi-primary); }
.pi-stat-icon.success { background: var(--pi-success-bg); color: var(--pi-success); }
.pi-stat-icon.warning { background: var(--pi-warning-bg); color: var(--pi-warning-dark); }
.pi-stat-icon.danger { background: var(--pi-danger-bg); color: var(--pi-danger); }
.pi-stat-icon.info { background: var(--pi-info-bg); color: var(--pi-secondary); }

.pi-stat-info h3 {
    font-size: var(--pi-fs-2xl);
    font-weight: var(--pi-fw-bold);
    margin-bottom: var(--pi-space-1);
}

.pi-stat-info p {
    font-size: var(--pi-fs-sm);
    color: var(--pi-text-secondary);
}

/* ============================================================
   SIDEBAR (Dashboard / Admin)
   ============================================================ */

.pi-sidebar {
    width: var(--pi-sidebar-width);
    background: var(--pi-glass-bg-sidebar, rgba(255, 255, 255, 0.76)) !important;
    backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    -webkit-backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    border-right: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.6)) !important;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.03), inset -1px 0 0 rgba(255, 255, 255, 0.8) !important;
    height: calc(100vh - var(--pi-navbar-height));
    position: fixed;
    top: var(--pi-navbar-height);
    left: 0;
    overflow-y: auto;
    padding: var(--pi-space-4) 0;
    z-index: 1050;
    transition: transform var(--pi-transition-base);
}

[data-theme="dark"] .pi-sidebar {
    background: var(--pi-glass-bg-sidebar, rgba(16, 16, 36, 0.78)) !important;
    border-right: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.08)) !important;
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.35), inset -1px 0 0 rgba(255, 255, 255, 0.12) !important;
}

/* Sidebar Backdrop Overlay (Mobile/Tablet only) */
.pi-sidebar-overlay {
    position: fixed;
    inset: 0;
    top: var(--pi-navbar-height);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pi-sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

@media (min-width: 992px) {
    .pi-sidebar-overlay,
    .pi-sidebar-overlay.active {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
}

.pi-sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pi-sidebar-nav li {
    margin: var(--pi-space-1) var(--pi-space-3);
}

.pi-sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--pi-space-3);
    padding: var(--pi-space-3) var(--pi-space-4);
    border-radius: var(--pi-radius-md);
    color: var(--pi-text-secondary);
    font-size: var(--pi-fs-sm);
    font-weight: var(--pi-fw-medium);
    transition: all var(--pi-transition-fast);
}

.pi-sidebar-nav a:hover {
    background: var(--pi-bg-hover);
    color: var(--pi-primary);
}

.pi-sidebar-nav a.active {
    background: rgba(var(--pi-primary-rgb), 0.12) !important;
    color: var(--pi-primary) !important;
    font-weight: var(--pi-fw-bold);
    border: 1px solid rgba(var(--pi-primary-rgb), 0.25);
    box-shadow: 0 4px 12px rgba(var(--pi-primary-rgb), 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.6);
}

.pi-sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.pi-sidebar-section-title {
    font-size: var(--pi-fs-xs);
    font-weight: var(--pi-fw-bold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pi-text-tertiary);
    padding: var(--pi-space-4) var(--pi-space-6) var(--pi-space-2);
}

.pi-content-with-sidebar {
    margin-left: var(--pi-sidebar-width);
    padding: calc(var(--pi-navbar-height) + var(--pi-space-6)) var(--pi-space-6) var(--pi-space-8);
    min-height: 100vh;
    box-sizing: border-box;
}

.pi-main-content.pi-content-with-sidebar {
    padding-top: calc(var(--pi-navbar-height) + var(--pi-space-6)) !important;
}

/* ============================================================
   BOTTOM NAVIGATION (Mobile)
   ============================================================ */

.pi-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--pi-bottom-nav-height);
    background: var(--pi-glass-bg-navbar, rgba(255, 255, 255, 0.82)) !important;
    backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    -webkit-backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
    border-top: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.65)) !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06), inset 0 1px 0 0 rgba(255, 255, 255, 0.85) !important;
    z-index: var(--pi-z-fixed);
    padding: 0;
}

[data-theme="dark"] .pi-bottom-nav {
    background: var(--pi-glass-bg-navbar, rgba(14, 14, 30, 0.85)) !important;
    border-top: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.08)) !important;
    box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.45), inset 0 1px 0 0 rgba(255, 255, 255, 0.14) !important;
}

.pi-bottom-nav-items {
    display: flex;
    height: 100%;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pi-bottom-nav-items li {
    flex: 1;
}

.pi-bottom-nav-items a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 3px;
    color: var(--pi-text-tertiary);
    font-size: var(--pi-fs-xs);
    font-weight: var(--pi-fw-medium);
    text-decoration: none;
    transition: color var(--pi-transition-fast);
    position: relative;
}

.pi-bottom-nav-items a i {
    font-size: 1.25rem;
    transition: transform var(--pi-transition-spring);
}

.pi-bottom-nav-items a.active {
    color: var(--pi-primary);
}

.pi-bottom-nav-items a.active i {
    transform: scale(1.1);
}

.pi-bottom-nav-items a .pi-nav-badge {
    position: absolute;
    top: 6px;
    right: calc(50% - 18px);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--pi-danger);
    color: #FFF;
    font-size: 10px;
    font-weight: var(--pi-fw-bold);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================================
   CART STYLES
   ============================================================ */

.pi-cart-item {
    display: flex;
    gap: var(--pi-space-4);
    padding: var(--pi-space-4);
    border-bottom: 1px solid var(--pi-border-light);
    align-items: center;
}

.pi-cart-item:last-child {
    border-bottom: none;
}

.pi-cart-item-image {
    width: 80px;
    height: 60px;
    border-radius: var(--pi-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.pi-cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pi-cart-item-info {
    flex: 1;
}

.pi-cart-item-title {
    font-size: var(--pi-fs-sm);
    font-weight: var(--pi-fw-semibold);
    color: var(--pi-text-primary);
    margin-bottom: var(--pi-space-1);
}

.pi-cart-item-price {
    font-size: var(--pi-fs-base);
    font-weight: var(--pi-fw-bold);
    color: var(--pi-primary);
}

.pi-cart-item-remove {
    color: var(--pi-text-tertiary);
    cursor: pointer;
    transition: color var(--pi-transition-fast);
    background: none;
    border: none;
    padding: var(--pi-space-2);
}

.pi-cart-item-remove:hover {
    color: var(--pi-danger);
}

/* ============================================================
   EMPTY STATES
   ============================================================ */

.pi-empty-state {
    text-align: center;
    padding: var(--pi-space-16) var(--pi-space-6);
}

.pi-empty-state-icon {
    font-size: 4rem;
    color: var(--pi-text-tertiary);
    margin-bottom: var(--pi-space-6);
    opacity: 0.5;
}

.pi-empty-state h3 {
    font-size: var(--pi-fs-xl);
    margin-bottom: var(--pi-space-3);
}

.pi-empty-state p {
    max-width: 400px;
    margin: 0 auto var(--pi-space-6);
}

/* ============================================================
   CATEGORY CARDS
   ============================================================ */

.pi-category-card {
    background: var(--pi-bg-card);
    border: 1px solid var(--pi-border-light);
    border-radius: var(--pi-radius-lg);
    padding: var(--pi-space-6);
    text-align: center;
    transition: all var(--pi-transition-base);
    cursor: pointer;
}

.pi-category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--pi-shadow-md);
    border-color: var(--pi-primary);
}

.pi-category-card .pi-category-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--pi-radius-lg);
    background: rgba(var(--pi-primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--pi-space-4);
    font-size: 1.5rem;
    color: var(--pi-primary);
}

.pi-category-card h4 {
    font-size: var(--pi-fs-base);
    font-weight: var(--pi-fw-semibold);
    margin-bottom: var(--pi-space-1);
}

.pi-category-card p {
    font-size: var(--pi-fs-xs);
    color: var(--pi-text-tertiary);
}

/* ============================================================
   TESTIMONIAL CARDS
   ============================================================ */

.pi-testimonial-card {
    background: var(--pi-bg-card);
    border: 1px solid var(--pi-border-light);
    border-radius: var(--pi-radius-lg);
    padding: var(--pi-space-6);
    transition: all var(--pi-transition-base);
}

.pi-testimonial-card:hover {
    box-shadow: var(--pi-shadow-md);
}

.pi-testimonial-card .pi-testimonial-text {
    font-size: var(--pi-fs-base);
    color: var(--pi-text-secondary);
    line-height: var(--pi-lh-relaxed);
    margin-bottom: var(--pi-space-5);
    font-style: italic;
}

.pi-testimonial-card .pi-testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--pi-space-3);
}

.pi-testimonial-card .pi-testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.pi-testimonial-card .pi-testimonial-name {
    font-weight: var(--pi-fw-semibold);
    font-size: var(--pi-fs-sm);
    color: var(--pi-text-primary);
}

.pi-testimonial-card .pi-testimonial-role {
    font-size: var(--pi-fs-xs);
    color: var(--pi-text-tertiary);
}

/* ============================================================
   BENEFITS SECTION
   ============================================================ */

.pi-benefit-card {
    text-align: center;
    padding: var(--pi-space-8);
}

.pi-benefit-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--pi-radius-xl);
    background: rgba(var(--pi-primary-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--pi-space-5);
    font-size: 1.75rem;
    color: var(--pi-primary);
    transition: all var(--pi-transition-base);
}

.pi-benefit-card:hover .pi-benefit-icon {
    transform: scale(1.1);
    background: rgba(var(--pi-primary-rgb), 0.15);
}

.pi-benefit-card h4 {
    font-size: var(--pi-fs-lg);
    margin-bottom: var(--pi-space-3);
}

.pi-benefit-card p {
    font-size: var(--pi-fs-sm);
    max-width: 280px;
    margin: 0 auto;
}

/* ============================================================
   NEWSLETTER
   ============================================================ */

.pi-newsletter {
    background: linear-gradient(135deg, var(--pi-primary), var(--pi-secondary));
    border-radius: var(--pi-radius-xl);
    padding: var(--pi-space-12) var(--pi-space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pi-newsletter h3 {
    color: #FFFFFF;
    margin-bottom: var(--pi-space-3);
}

.pi-newsletter p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--pi-space-6);
}

.pi-newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: var(--pi-space-3);
}

.pi-newsletter-form input {
    flex: 1;
    padding: var(--pi-space-3) var(--pi-space-5);
    border-radius: var(--pi-radius-full);
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    font-size: var(--pi-fs-sm);
}

.pi-newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.pi-newsletter-form input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    outline: none;
}

.pi-newsletter-form button {
    padding: var(--pi-space-3) var(--pi-space-6);
    border-radius: var(--pi-radius-full);
    background: #FFFFFF;
    color: var(--pi-primary);
    font-weight: var(--pi-fw-bold);
    border: none;
    cursor: pointer;
    transition: all var(--pi-transition-fast);
    white-space: nowrap;
}

.pi-newsletter-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* ============================================================
   MODALS & OVERLAYS (Guaranteed Layering & Pointer Events)
   ============================================================ */
.modal {
    z-index: 1060 !important;
}
.modal.show {
    display: block !important;
}
.modal-backdrop {
    z-index: 1050 !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    background: rgba(15, 23, 42, 0.65) !important;
    backdrop-filter: blur(4px) !important;
}
.modal-dialog {
    z-index: 1065 !important;
    position: relative !important;
    pointer-events: auto !important;
}
.modal-content {
    pointer-events: auto !important;
    position: relative !important;
    z-index: 1070 !important;
}

/* ============================================================
   CHECKOUT LIQUID GLASS EXTENSIONS
   ============================================================ */
.pi-payment-radio-label {
    background: var(--pi-glass-bg-card, rgba(255, 255, 255, 0.7)) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1.5px solid var(--pi-glass-border, rgba(255, 255, 255, 0.6)) !important;
    border-radius: var(--pi-radius-xl, 18px) !important;
    box-shadow: var(--pi-glass-shadow-sm), var(--pi-glass-inner-glow);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

[data-theme="dark"] .pi-payment-radio-label {
    background: var(--pi-glass-bg-card, rgba(22, 22, 48, 0.7)) !important;
    border-color: var(--pi-glass-border, rgba(255, 255, 255, 0.12)) !important;
}

.pi-payment-radio-label:hover {
    transform: translateY(-2px);
    box-shadow: var(--pi-glass-shadow-md), var(--pi-glass-inner-glow);
}

.btn-check:checked + .pi-payment-radio-label {
    box-shadow: 0 8px 25px rgba(var(--pi-primary-rgb), 0.25), var(--pi-glass-inner-glow) !important;
    border-color: var(--pi-primary) !important;
    transform: translateY(-2px);
}

/* Mobile Navbar Collapse Floating Glass Palette */
@media (max-width: 991.98px) {
    .navbar-collapse#piNavItems {
        background: var(--pi-glass-bg-dropdown, rgba(255, 255, 255, 0.92)) !important;
        backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
        -webkit-backdrop-filter: blur(var(--pi-glass-blur-lg, 28px)) saturate(var(--pi-glass-saturate, 190%)) !important;
        border: 1px solid var(--pi-glass-border, rgba(255, 255, 255, 0.65)) !important;
        border-radius: var(--pi-radius-xl, 18px) !important;
        box-shadow: var(--pi-glass-shadow-lg), var(--pi-glass-inner-glow) !important;
        margin-top: 12px;
        padding: 16px;
    }
    [data-theme="dark"] .navbar-collapse#piNavItems {
        background: var(--pi-glass-bg-dropdown, rgba(20, 20, 46, 0.94)) !important;
        border-color: var(--pi-glass-border, rgba(255, 255, 255, 0.12)) !important;
    }
}

/* ============================================================
   MOBILE BOTTOM NAVIGATION BAR (< 768px Native App Style)
   ============================================================ */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 9990;
    background: rgba(14, 14, 20, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
    padding: 6px 12px calc(6px + env(safe-area-inset-bottom)) 12px;
}

[data-theme="light"] .mobile-bottom-bar {
    background: rgba(255, 255, 255, 0.94);
    border-top-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
}

.mobile-nav-container {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--bcit-text-muted, #94a3b8);
    font-size: 0.72rem;
    font-weight: 600;
    transition: all 0.2s ease;
    padding: 4px 8px;
    border-radius: 12px;
    min-width: 56px;
}

[data-theme="light"] .mobile-nav-item {
    color: #64748b;
}

.mobile-nav-icon {
    font-size: 1.25rem;
    margin-bottom: 2px;
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-nav-item:active .mobile-nav-icon,
.mobile-nav-item.active .mobile-nav-icon {
    transform: scale(1.18);
}

.mobile-nav-item.active {
    color: var(--bcit-cyan, var(--pi-primary, #2997FF)) !important;
}

.mobile-nav-badge {
    position: absolute;
    top: -4px;
    right: -8px;
    background: #ef4444;
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 1px 5px;
    border-radius: 99px;
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.4);
}