/* =========================================
   ARCHIVE SECTION
   ========================================= */

.archive-section {
    position: relative;
    background: var(--white);
    padding: 8rem 2rem;
    border-top: 1px solid rgba(0,0,0,0.1);
    overflow: hidden;
    opacity: 1 !important;
    transform: none !important;
    max-width: none !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
}

.archive-bg-grid {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image:
        linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.archive-container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.archive-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
    border-bottom: 4px solid var(--black);
    padding-bottom: 1rem;
}

.archive-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 4rem);
    margin: 0;
    line-height: 1;
}

.archive-id-badge {
    font-family: var(--font-mono);
    background: var(--black);
    color: var(--white);
    padding: 0.2rem 0.5rem;
    font-size: 0.9rem;
}

/* Dashboard */
.archive-dashboard {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: space-between;
    align-items: center;
    background: #f8f8f8;
    border: 1px solid #ccc;
    padding: 1.5rem 2rem;
    margin-bottom: 4rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
}

.dashboard-stats {
    display: flex;
    gap: 3rem;
}

.d-stat {
    display: flex;
    flex-direction: column;
}

.d-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.2rem;
}

.d-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--black);
}

/* Random Button */
.random-glitch-btn {
    position: relative;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--black);
    border: 2px solid var(--accent);
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    overflow: hidden;
    transition: color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    z-index: 1;
}

.random-glitch-btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 0%;
    height: 100%;
    background: var(--accent);
    transition: width var(--transition-base);
    z-index: -1;
}

.random-glitch-btn:hover {
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 51, 102, 0.3);
}

.random-glitch-btn:hover::before {
    width: 100%;
}

/* Archive Layout */
.archive-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    align-items: start;
}

.sticky-filter-wrapper {
    position: sticky;
    top: 100px;
}

.filter-label {
    display: block;
    font-family: var(--font-mono);
    color: var(--gray);
    margin-bottom: 1rem;
    font-size: 0.8rem;
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.f-btn {
    text-align: left;
    background: transparent;
    border: 1px solid transparent;
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.85rem;
    color: var(--black);
    transition: padding-left var(--transition-fast), color var(--transition-fast);
    position: relative;
    width: 100%;
}

.f-btn:hover {
    padding-left: 1.5rem;
    color: var(--accent);
}

.f-btn::before {
    content: '>';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.f-btn:hover::before {
    opacity: 1;
}

.f-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    padding-left: 1rem;
}

.f-btn.active::before {
    display: none;
}

.f-btn .filter-count {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-left: 0.3rem;
}

/* Archive Grid */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-auto-rows: 300px;
    gap: 1.5rem;
    grid-auto-flow: dense;
}

/* Archive Card */
.a-card {
    position: relative;
    background: #fff;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 0.4s ease;
    animation: fadeIn 0.5s ease;
    will-change: transform;
}

.a-card:hover {
    transform: translateY(-5px) translateZ(0);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    z-index: 10;
}

.span-col-2 { grid-column: span 2; }
.span-row-2 { grid-row: span 2; }

.a-image {
    position: relative;
    flex: 1;
    overflow: hidden;
    background: #e0e0e0;
}

.a-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    will-change: transform;
}

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

.a-overlay-tech {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    border: 1px solid rgba(255,255,255,0.5);
    padding: 1rem 2rem;
    color: white;
    font-family: var(--font-mono);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0;
    backdrop-filter: blur(5px);
    transition: opacity var(--transition-base), transform var(--transition-base);
    font-size: 0.85rem;
    white-space: nowrap;
}

.a-card:hover .a-overlay-tech {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.a-meta {
    padding: 1rem;
    border-top: 1px solid #eee;
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.a-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.a-info h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.a-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Neviditelný odkaz přes celou kartu — projekty s vlastní stránkou */
.a-card-link {
    position: absolute;
    inset: 0;
    z-index: 5;
}

.a-card.hidden {
    display: none;
}

/* Skeleton loading */
.a-card.skeleton {
    pointer-events: none;
}

.a-card.skeleton .a-image {
    background: linear-gradient(90deg, #e0e0e0 25%, #ebebeb 50%, #e0e0e0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.a-card.skeleton .a-meta {
    background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}