@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;900&display=swap');

:root {
    --fg-blue: #2563eb;
    --fg-dark: #0f172a;
    --fg-bg:   #f8fafc;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--fg-bg);
    color: var(--fg-dark);
    margin: 0;
    scroll-behavior: smooth;
}

.product-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.glass-nav {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.filter-btn {
    transition: all 0.2s ease;
}

.filter-btn.active {
    background-color: white !important;
    color: var(--fg-dark) !important;
    transform: scale(1.05);
}

.version-thumb {
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

.version-thumb.active {
    border-color: var(--fg-blue);
    transform: scale(0.95);
}

.page-btn {
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.6rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1.5px solid #e2e8f0;
    background: white;
    color: var(--fg-dark);
    user-select: none;
}

.page-btn:hover:not(:disabled):not(.ellipsis) {
    background: var(--fg-dark);
    color: white;
    border-color: var(--fg-dark);
}

.page-btn.active {
    background: var(--fg-blue);
    color: white;
    border-color: var(--fg-blue);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-btn.ellipsis {
    cursor: default;
    border-color: transparent;
    background: transparent;
    pointer-events: none;
}

::-webkit-scrollbar       { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; }