/* ========================================
   Archive Metrics Component (Elegant V2)
   Based on user-provided "God Mode" design spec.
   ======================================== */

/* 1. VARIABLES & SCOPE */
.archive-metrics--stats {
    /* Map theme variables to component tokens */
    --am-bg: var(--color-surface-alt, #f8f9fa);
    --am-card-bg: var(--color-surface, #ffffff);
    --am-text-main: var(--color-text, #2d3748);
    --am-text-muted: var(--color-text-muted, #718096);
    --am-accent: var(--color-primary, #3182ce);
    
    /* Exact shadows from spec */
    --am-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --am-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Layout */
    padding: 4rem 0;
    background-color: var(--am-bg);
}

/* Dark mode overrides */
[data-theme="dark"] .archive-metrics--stats {
    --am-bg: var(--color-surface-alt, #1a202c);
    --am-card-bg: var(--color-surface, #2d3748);
    --am-text-main: var(--color-text, #f7fafc);
    --am-text-muted: var(--color-text-muted, #a0aec0);
    --am-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --am-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* 2. GRID LAYOUT */
.archive-metrics--stats .archive-metrics__grid {
    display: grid;
    /* Responsive auto-fit grid from spec */
    /*
       Centered, fixed-max tiles:
       - keeps cards from stretching too wide on large screens
       - centers the whole grid when there are fewer cards than available columns
    */
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 360px));
    gap: 2rem;
    justify-content: center;
    max-width: 1200px;
    list-style: none;
    padding: 0;
    margin: 0 auto;
}

/* 3. CARD STYLES */
.archive-metrics--stats .archive-metrics__item {
    background-color: var(--am-card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--am-shadow);
    border: 1px solid rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    
    /* Reset any theme-specific list styles */
    margin: 0;
}

[data-theme="dark"] .archive-metrics--stats .archive-metrics__item {
    border-color: rgba(255,255,255,0.05);
}

.archive-metrics--stats .archive-metrics__item:hover {
    transform: translateY(-5px);
    box-shadow: var(--am-shadow-hover);
}

/* Remove any pseudo-elements from previous themes */
.archive-metrics--stats .archive-metrics__item::before,
.archive-metrics--stats .archive-metrics__item::after {
    display: none !important;
}

/* 4. TYPOGRAPHY */
.archive-metrics--stats .archive-metrics__label {
    display: block;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--am-text-muted);
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.archive-metrics--stats .archive-metrics__value {
    font-size: 3rem;
    line-height: 1;
    font-weight: 800;
    color: var(--am-accent);
    -webkit-text-fill-color: currentColor;
    margin: 0.5rem 0;
}

.archive-metrics--stats .archive-metrics__desc {
    font-size: 1rem;
    color: var(--am-text-muted);
    margin: 0.5rem 0 0 0;
    line-height: 1.5;
}

/* 5. ANIMATIONS */
@keyframes amFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Apply animation when .is-visible class is added by JS observer */
.archive-metrics--stats [data-anim="fade-up"] {
    opacity: 0; /* Hidden initially */
}

.archive-metrics--stats [data-anim="fade-up"].is-visible {
    animation: amFadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

/* Stagger delays */
.archive-metrics--stats [data-delay="100"].is-visible { animation-delay: 100ms; }
.archive-metrics--stats [data-delay="200"].is-visible { animation-delay: 200ms; }
.archive-metrics--stats [data-delay="300"].is-visible { animation-delay: 300ms; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .archive-metrics--stats [data-anim="fade-up"] {
        opacity: 1;
        animation: none !important;
        transform: none !important;
    }
    .archive-metrics--stats .archive-metrics__item:hover {
        transform: none;
    }
}