@import url('https://fonts.googleapis.com/css2?family=Special+Elite&family=Courier+Prime:wght@400;700&display=swap');

:root {
    --espresso: #3E2723;
    --terracotta: #D35400;
    --bg-cream: #EFEBE0;
    --grid-line: #DCD5C4;
    --card-surface: #FFFFFF;
    --status-done: #C0392B;
    --status-soon: #27AE60;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Courier Prime', monospace;
    background-color: var(--bg-cream);
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--espresso);
    min-height: 100vh;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-x: hidden;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.4), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* HEADER - diberi margin-top agar tidak tertutup navbar */
.header-gallery {
    text-align: center;
    width: 100%;
    max-width: 1200px;
    background: var(--card-surface);
    border: 3px solid var(--espresso);
    padding: 30px 20px;
    margin-bottom: 40px;
    margin-top: 80px; /* tambahan jarak dari atas */
    box-shadow: 8px 8px 0 var(--terracotta);
    position: relative;
}

.header-gallery::before {
    content: "";
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%) rotate(-1deg);
    width: 150px;
    height: 30px;
    background: rgba(211, 84, 0, 0.8);
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 5;
}

.doc-ref {
    font-weight: bold;
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header-gallery h1 {
    font-family: 'Special Elite', cursive;
    font-size: 3rem;
    color: var(--espresso);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 0.9rem;
    font-weight: bold;
    max-width: 600px;
    margin: 0 auto 25px;
    border-bottom: 2px dashed var(--espresso);
    padding-bottom: 20px;
    opacity: 0.8;
}

/* TAB CONTROLS */
.tab-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-tab {
    padding: 10px 25px;
    background: var(--bg-cream);
    border: 2px solid var(--espresso);
    color: var(--espresso);
    font-family: 'Special Elite', cursive;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
}

.btn-tab.active {
    background: var(--espresso);
    color: var(--card-surface);
    box-shadow: 5px 5px 0 var(--terracotta);
    transform: translateY(-2px);
}

.btn-tab:hover:not(.active) {
    color: var(--terracotta);
    border-color: var(--terracotta);
}

/* TAB CONTENT GRID */
.tab-content {
    display: none;
    width: 100%;
    max-width: 1200px;
    padding-top: 20px;
}

.tab-content.active {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 250px));
    justify-content: center;
    gap: 35px;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ARCHIVE CARD (POLAROID STYLE) */
.archive-card {
    background: var(--card-surface);
    border: 2px solid var(--espresso);
    padding: 15px 15px 25px 15px;
    display: flex;
    flex-direction: column;
    box-shadow: 3px 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.3s, border-color 0.3s;
    position: relative;
    cursor: pointer;
}

.archive-card:nth-child(odd) {
    transform: rotate(-2deg);
}

.archive-card:nth-child(even) {
    transform: rotate(2deg);
}

.archive-card:nth-child(3n) {
    transform: rotate(-1deg) scale(0.98);
}

.archive-card:nth-child(5n) {
    transform: rotate(1.5deg) scale(1.02);
}

.archive-card:hover {
    transform: rotate(0deg) scale(1.05);
    z-index: 10;
    box-shadow: 8px 8px 0 var(--terracotta);
    border-color: var(--terracotta);
}

/* IMAGE WRAPPER (SQUARE) */
.card-img-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    border: 2px solid var(--espresso);
    margin-bottom: 15px;
    position: relative;
    overflow: hidden;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(20%);
    transition: filter 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.4s;
}

.archive-card:hover .card-img-wrapper img {
    filter: sepia(0%);
    transform: scale(1.05);
}

/* EVENT STATUS BADGE */
.event-status {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    font-family: 'Special Elite', cursive;
    font-size: 0.8rem;
    font-weight: bold;
    color: white;
    border: 2px solid var(--espresso);
    z-index: 2;
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.2);
}

.status-selesai {
    background-color: var(--status-done);
}

.status-mendatang {
    background-color: var(--status-soon);
}

/* CARD INFO */
.card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--espresso);
    padding-bottom: 8px;
    margin-bottom: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0.7;
}

.card-title {
    font-family: 'Special Elite', cursive;
    font-size: 1.1rem;
    color: var(--espresso);
    margin-bottom: 8px;
    line-height: 1.2;
    text-transform: uppercase;
}

.archive-card:hover .card-title {
    color: var(--terracotta);
}

.card-desc {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.4;
}

/* BUTTON BACK */
.btn-back {
    display: inline-block;
    margin-top: 40px;
    padding: 12px 25px;
    background: var(--espresso);
    color: var(--card-surface);
    text-decoration: none;
    font-family: 'Special Elite', cursive;
    border: 2px solid var(--espresso);
    box-shadow: 5px 5px 0 var(--terracotta);
    transition: 0.3s;
}

.btn-back:hover {
    background: var(--card-surface);
    color: var(--terracotta);
    border-color: var(--terracotta);
    box-shadow: 5px 5px 0 var(--espresso);
    transform: translateY(-2px);
}

/* ===== GRAYSCALE EFFECT FOR FINISHED EVENTS (SMOOTH ANIMATION) ===== */
.archive-card.event-selesai .card-img-wrapper img,
.archive-card.event-selesai .event-status {
    filter: grayscale(100%) sepia(0%);
    transition: filter 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: filter;
}

.archive-card.event-selesai:hover .card-img-wrapper img,
.archive-card.event-selesai:hover .event-status {
    filter: grayscale(0%) sepia(20%);
}

.archive-card.event-selesai {
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    body {
        padding: 25px 15px;
    }

    .header-gallery {
        padding: 25px 15px;
        margin-bottom: 30px;
        margin-top: 70px; /* sedikit dikurangi untuk tablet */
        box-shadow: 6px 6px 0 var(--terracotta);
    }

    .header-gallery::before {
        top: -12px;
        width: 120px;
        height: 25px;
    }

    .header-gallery h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.8rem;
        margin-bottom: 20px;
        padding-bottom: 15px;
    }

    .btn-tab {
        padding: 8px 18px;
        font-size: 0.9rem;
    }

    .tab-content.active {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 25px;
    }

    .archive-card {
        padding: 12px 12px 20px 12px;
    }

    .card-title {
        font-size: 1rem;
    }

    .card-desc {
        font-size: 0.8rem;
    }

    .btn-back {
        padding: 10px 20px;
        box-shadow: 4px 4px 0 var(--terracotta);
        margin-top: 30px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px 10px;
    }

    .header-gallery {
        padding: 15px 12px;
        margin-bottom: 20px;
        margin-top: 60px; /* lebih kecil untuk mobile */
        border: 2px solid var(--espresso);
        box-shadow: 4px 4px 0 var(--terracotta);
    }

    .header-gallery::before {
        display: none;
    }

    .header-gallery h1 {
        font-size: 1.4rem;
        margin-bottom: 8px;
    }

    .doc-ref {
        font-size: 0.7rem;
        margin-bottom: 8px;
    }

    .subtitle {
        font-size: 0.7rem;
        margin-bottom: 12px;
        padding-bottom: 10px;
    }

    .btn-tab {
        padding: 7px 14px;
        font-size: 0.8rem;
        border: 1.5px solid var(--espresso);
    }

    .btn-tab.active {
        box-shadow: 3px 3px 0 var(--terracotta);
        transform: translateY(-1px);
    }

    .tab-content.active {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .archive-card {
        padding: 10px 10px 15px 10px;
    }

    .archive-card:nth-child(odd) {
        transform: rotate(-1deg);
    }

    .archive-card:nth-child(even) {
        transform: rotate(1deg);
    }

    .archive-card:nth-child(3n) {
        transform: rotate(-0.5deg) scale(0.99);
    }

    .archive-card:nth-child(5n) {
        transform: rotate(0.5deg) scale(1.01);
    }

    .archive-card:hover {
        transform: rotate(0deg) scale(1.02);
        box-shadow: 3px 3px 0 var(--terracotta);
    }

    .card-img-wrapper {
        margin-bottom: 10px;
        border: 1.5px solid var(--espresso);
    }

    .card-meta {
        font-size: 0.75rem;
        padding-bottom: 6px;
        margin-bottom: 8px;
    }

    .card-title {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .card-desc {
        font-size: 0.75rem;
    }

    .event-status {
        padding: 4px 8px;
        font-size: 0.7rem;
        top: 8px;
        right: 8px;
        border: 1.5px solid var(--espresso);
    }

    .btn-back {
        padding: 8px 16px;
        font-size: 0.9rem;
        box-shadow: 3px 3px 0 var(--terracotta);
        margin-top: 20px;
    }
}