/* ==========================================================================
   PixelGallery — Jobsheet 8
   Layout & Hierarchy: Inspired by Jobsheet 7 (Clean, Structured, Semantic)
   Artstyle: Soft Neumorphism (Clay Surface, Dual Diffused Shadows, Poppins)
   ========================================================================== */

/* ===== Reset & Base ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Base Neumorphic Surface Canvas */
    --nm-bg: #e0e5ec;
    --nm-light: #ffffff;
    --nm-dark: rgba(163, 177, 198, 0.55);
    --nm-dark-soft: rgba(163, 177, 198, 0.40);
    --nm-dark-inset: rgba(163, 177, 198, 0.50);

    /* Neumorphic Dual Shadows */
    --nm-shadow: 6px 6px 14px var(--nm-dark-soft), -6px -6px 14px var(--nm-light);
    --nm-shadow-sm: 3px 3px 8px var(--nm-dark-soft), -3px -3px 8px var(--nm-light);
    --nm-shadow-lg: 10px 10px 24px var(--nm-dark-soft), -10px -10px 24px var(--nm-light);
    --nm-shadow-pressed: inset 2px 2px 5px var(--nm-dark-inset), inset -2px -2px 5px var(--nm-light);

    /* Theme Colors (Jobsheet 7 Primary Blue + Neumorphic Accents) */
    --primary: #1d5b8a;
    --primary-hover: #164869;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.08);

    /* Text & Typography Colors */
    --text-title: #1e293b;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-subtle: rgba(163, 177, 198, 0.35);

    /* Status Colors */
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;

    /* Radii */
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 18px;
    --radius-pill: 999px;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text-body);
    background-color: var(--nm-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ===== Header & Navbar (Flexbox - Structured as Jobsheet 7) ===== */
header {
    background-color: var(--nm-bg);
    box-shadow: 0 4px 14px var(--nm-dark-soft);
    padding: 1rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 100;
}

header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

header h1 a {
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

header h1 a:hover {
    text-decoration: none;
    color: var(--accent);
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

header nav a {
    color: var(--text-body);
    font-weight: 600;
    font-size: 0.925rem;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.15s ease;
}

header nav a:hover {
    color: var(--accent);
    box-shadow: var(--nm-shadow-sm);
    text-decoration: none;
}

/* Mobile Hamburger Toggle (Jobsheet 7 app.js compatible) */
.nav-toggle-label {
    display: none;
    font-size: 1.5rem;
    color: var(--primary);
    background: var(--nm-bg);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    box-shadow: var(--nm-shadow-sm);
    cursor: pointer;
    line-height: 1;
}

.nav-toggle-label:active {
    box-shadow: var(--nm-shadow-pressed);
}

/* ===== Main Layout (Identical to Jobsheet 7: Max Width 1000px) ===== */
main {
    max-width: 1000px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
    flex: 1;
}

/* ===== Section & Card Surfaces (Clean Jobsheet 7 Layout) ===== */
section {
    background-color: var(--nm-bg);
    border-radius: var(--radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
}

section h2 {
    margin-bottom: 0.85rem;
    color: var(--primary);
    font-size: 1.3rem;
    font-weight: 700;
}

section p {
    color: var(--text-body);
    line-height: 1.6;
}

/* Section Title Wrap */
.section-title-wrap {
    margin-bottom: 1.25rem;
}

.section-title-wrap.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.section-title-wrap h2 {
    margin-bottom: 0;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.link-more {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.link-more:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ===== Hero Section (Toned down to match Jobsheet 7 Intro Section) ===== */
.hero-section {
    padding: 1.75rem;
}

.hero-headline {
    color: var(--primary);
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    line-height: 1.3;
}

.hero-subtext {
    font-size: 0.95rem;
    color: var(--text-body);
    margin-bottom: 1.25rem;
    max-width: 800px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

/* ===== Hero Stats (Styled exactly like Jobsheet 7 Kartu Statistik Ringkasan) ===== */
.hero-stats,
main section:nth-of-type(2) {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-item,
main section:nth-of-type(2) article {
    background-color: var(--nm-bg);
    border-radius: var(--radius-sm);
    padding: 1.15rem 1rem;
    text-align: center;
    box-shadow: var(--nm-shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-item:hover,
main section:nth-of-type(2) article:hover {
    transform: translateY(-2px);
    box-shadow: var(--nm-shadow);
}

.stat-divider {
    display: none;
}

.stat-num,
main section:nth-of-type(2) article p {
    display: block;
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
}

.stat-label,
main section:nth-of-type(2) article h3 {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: 0.35rem;
    font-weight: 600;
}

/* ===== Categories Section ===== */
.categories-section {
    padding: 1.5rem 1.75rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.category-card {
    background: var(--nm-bg);
    border-radius: var(--radius-sm);
    padding: 1rem 1.15rem;
    box-shadow: var(--nm-shadow-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    text-decoration: none;
    color: inherit;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--nm-shadow);
    text-decoration: none;
}

.category-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.15rem;
}

.category-card p {
    font-size: 0.775rem;
    color: var(--text-muted);
}

/* ===== Gallery Grid & Cards ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.gallery-card {
    background: var(--nm-bg);
    border-radius: var(--radius);
    box-shadow: var(--nm-shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.gallery-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--nm-shadow);
}

.gallery-thumb-wrap {
    width: 100%;
    height: 155px;
    background: rgba(0, 0, 0, 0.03);
    box-shadow: var(--nm-shadow-pressed);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gallery-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.gallery-card:hover .gallery-thumb {
    transform: scale(1.03);
}

.gallery-thumb-placeholder {
    font-size: 1.75rem;
    color: var(--text-light);
}

.gallery-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.gallery-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

.cat-pill {
    background: var(--nm-bg);
    box-shadow: var(--nm-shadow-pressed);
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
}

.gallery-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.35rem;
    line-height: 1.35;
}

.asset-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.gallery-footer {
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.btn-card {
    background: var(--nm-bg);
    box-shadow: var(--nm-shadow-sm);
    color: var(--accent);
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s ease;
    display: inline-block;
}

.btn-card:hover {
    color: var(--accent-hover);
    box-shadow: 2px 2px 5px var(--nm-dark-soft), -2px -2px 5px var(--nm-light);
    text-decoration: none;
}

.btn-outline {
    background: var(--nm-bg);
    box-shadow: var(--nm-shadow-sm);
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-outline:hover {
    box-shadow: 2px 2px 5px var(--nm-dark-soft), -2px -2px 5px var(--nm-light);
}

/* ===== CTA Banner (Toned down and integrated) ===== */
.cta-banner {
    background: var(--nm-bg);
    box-shadow: var(--nm-shadow);
    padding: 1.75rem;
    text-align: center;
    border-radius: var(--radius);
}

.cta-banner h2 {
    color: var(--primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.cta-banner p {
    font-size: 0.925rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ===== Catalog Page Layout ===== */
.catalog-wrapper {
    background: var(--nm-bg);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--nm-shadow);
    margin-bottom: 1.5rem;
}

.page-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.back-link,
.catalog-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}

.back-link:hover,
.catalog-link:hover {
    text-decoration: underline;
}

.catalog-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 1.25rem;
}

.form-title {
    color: var(--primary);
    font-size: 1.35rem;
    font-weight: 700;
}

.form-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.catalog-search-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ===== Form & Upload Page Layout ===== */
.upload-wrapper {
    background: var(--nm-bg);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--nm-shadow);
    margin-bottom: 1.5rem;
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.form-header {
    margin-bottom: 1.5rem;
}

.nm-form-card {
    background: transparent;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

form p {
    margin-bottom: 1.25rem;
}

form label,
.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--text-title);
    font-size: 0.9rem;
}

.required-mark {
    color: var(--danger);
}

.field-hint {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.775rem;
    color: var(--text-muted);
}

/* Form Inputs & Tactile Insets */
form input,
form select,
form textarea,
.nm-input,
.nm-select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.925rem;
    font-family: inherit;
    color: var(--text-body);
    background-color: var(--nm-bg);
    box-shadow: var(--nm-shadow-pressed);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

form input:focus,
form select:focus,
form textarea:focus,
.nm-input:focus,
.nm-select:focus {
    border-color: var(--accent);
    box-shadow: inset 3px 3px 6px var(--nm-dark-inset), inset -3px -3px 6px var(--nm-light);
}

.search-input {
    max-width: 280px;
}

.nm-file-dropzone {
    background: var(--nm-bg);
    box-shadow: var(--nm-shadow-pressed);
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 1.25rem;
    text-align: center;
}

.nm-file-input {
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
}

.file-hint {
    font-size: 0.775rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

/* ===== Buttons (Tactile Neumorphic) ===== */
button,
.btn,
.btn-primary,
.btn-secondary {
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.35rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.925rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
}

.btn-primary,
form button[type="submit"] {
    background-color: var(--primary);
    color: #fff;
    box-shadow: var(--nm-shadow-sm);
}

.btn-primary:hover,
form button[type="submit"]:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--nm-shadow);
    text-decoration: none;
}

.btn-primary:active,
form button[type="submit"]:active {
    transform: translateY(1px);
    box-shadow: var(--nm-shadow-pressed);
}

.btn-secondary {
    background-color: var(--nm-bg);
    color: var(--text-body);
    box-shadow: var(--nm-shadow-sm);
}

.btn-secondary:hover {
    color: var(--accent);
    box-shadow: 2px 2px 5px var(--nm-dark-soft), -2px -2px 5px var(--nm-light);
    text-decoration: none;
}

.btn-secondary:active {
    box-shadow: var(--nm-shadow-pressed);
}

/* ===== Flash / Alert Notifications (Jobsheet 7 compatible) ===== */
.flash,
.nm-alert {
    padding: 0.85rem 1.15rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
    font-weight: 500;
    box-shadow: var(--nm-shadow-sm);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.flash-success,
.nm-alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.flash-error,
.nm-alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

/* ===== Search Box (Jobsheet 7) ===== */
.search-box {
    margin-bottom: 1.25rem;
}

.search-box label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--text-title);
    font-size: 0.9rem;
}

.search-box input {
    width: 100%;
    max-width: 320px;
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background-color: var(--nm-bg);
    box-shadow: var(--nm-shadow-pressed);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
}

/* ===== Tabel (Jobsheet 7 compatible) ===== */
.table-responsive,
.nm-table-container {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--nm-shadow-pressed);
    background-color: var(--nm-bg);
    padding: 0.25rem;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

thead {
    background-color: var(--primary);
    color: #fff;
}

thead th {
    font-weight: 600;
    font-size: 0.875rem;
}

tbody tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.35);
}

tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.65);
}

td button {
    padding: 0.35rem 0.75rem;
    margin-right: 0.35rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.825rem;
    font-weight: 600;
    font-family: inherit;
    box-shadow: var(--nm-shadow-sm);
}

td button:first-of-type {
    background-color: #f59e0b;
    color: #fff;
}

td button:last-of-type,
td button.btn-hapus {
    background-color: #ef4444;
    color: #fff;
}

/* Error validation */
.error {
    display: block;
    color: var(--danger);
    font-size: 0.825rem;
    margin-top: 0.3rem;
}

.text-center {
    text-align: center;
}

/* ===== Footer (Similar to Jobsheet 7) ===== */
footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: auto;
}

/* ===== Responsive Breakpoints (Jobsheet 7 Alignment) ===== */
@media (max-width: 768px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
    }

    .hero-stats,
    main section:nth-of-type(2) {
        grid-template-columns: repeat(2, 1fr);
    }

    .catalog-header {
        flex-direction: column;
        align-items: stretch;
    }

    .search-input {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    header {
        position: relative;
    }

    .nav-toggle-label {
        display: block;
    }

    header nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 1rem;
        padding-top: 0.75rem;
        border-top: 1px solid var(--border-subtle);
    }

    header nav.nav-open {
        display: block;
    }

    header nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    header nav a {
        display: block;
        padding: 0.6rem 0.85rem;
    }

    .hero-stats,
    main section:nth-of-type(2) {
        grid-template-columns: 1fr;
    }

    .category-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    form input,
    form select,
    form textarea,
    .search-box input {
        max-width: 100%;
    }
}