/* Drawlib Examples Portal — Editorial Showcase Stylesheet */
:root {
    --bg-canvas: hsl(210, 24%, 98.4%);
    --bg-surface: #ffffff;
    --bg-subtle: hsl(214, 24%, 95.8%);
    --bg-dark-well: hsl(220, 26%, 14%);

    --text-primary: hsl(220, 28%, 13%);
    --text-secondary: hsl(215, 16%, 40%);
    --text-muted: hsl(215, 14%, 54%);

    --brand-primary: hsl(217, 86%, 50%);
    --brand-primary-hover: hsl(217, 86%, 42%);
    --brand-primary-soft: hsl(217, 92%, 96%);

    --border-hairline: hsl(214, 20%, 89%);
    --border-strong: hsl(214, 18%, 80%);

    --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px -8px rgba(15, 23, 42, 0.06);
    --shadow-card-hover: 0 4px 12px rgba(15, 23, 42, 0.06), 0 18px 36px -12px rgba(15, 23, 42, 0.11);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background-color: var(--bg-canvas);
    line-height: 1.65;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Header Navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-hairline);
}

.header-inner {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.98rem;
    letter-spacing: -0.01em;
}

.brand-logo {
    height: 28px;
    width: auto;
    display: block;
}

.brand-divider {
    color: var(--border-strong);
    font-weight: 400;
}

.brand-subtitle {
    color: var(--text-secondary);
    font-weight: 500;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.42rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.16s ease, background-color 0.16s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-subtle);
}

.nav-link-repo {
    border: 1px solid var(--border-hairline);
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.nav-link-repo:hover {
    border-color: var(--border-strong);
    background-color: var(--bg-subtle);
}

/* Main Container */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero {
    padding: 3.5rem 0 2.5rem;
    border-bottom: 1px solid var(--border-hairline);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brand-primary);
    margin: 0 0 0.75rem;
}

.hero h1 {
    margin: 0 0 1rem;
    font-size: clamp(1.85rem, 3.2vw, 2.55rem);
    line-height: 1.18;
    letter-spacing: -0.03em;
    font-weight: 700;
    color: var(--text-primary);
}

.hero-lead {
    margin: 0 0 1.5rem;
    font-size: 1.02rem;
    color: var(--text-secondary);
    max-width: 58ch;
}

.hero-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.code-command {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.48rem 0.85rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

.code-prompt {
    color: var(--text-muted);
    user-select: none;
}

.hero-visual {
    background: var(--bg-surface);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-lg);
    padding: 0.65rem;
    box-shadow: var(--shadow-card);
}

.hero-visual img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

/* Pure-CSS Filter Controls */
.filter-radio {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.75rem 0 1.5rem;
}

.filter-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    background: var(--bg-subtle);
    padding: 0.3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-hairline);
}

.filter-label {
    cursor: pointer;
    padding: 0.42rem 0.9rem;
    border-radius: 7px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
    user-select: none;
}

.filter-label:hover {
    color: var(--text-primary);
}

.filter-count {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    margin-left: 0.3rem;
    opacity: 0.75;
}

#filter-all:checked ~ .main-content .filter-tabs label[for="filter-all"],
#filter-doc:checked ~ .main-content .filter-tabs label[for="filter-doc"],
#filter-slide:checked ~ .main-content .filter-tabs label[for="filter-slide"],
#filter-images:checked ~ .main-content .filter-tabs label[for="filter-images"] {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

#filter-doc:checked ~ .main-content .category-section:not([data-category="doc"]),
#filter-slide:checked ~ .main-content .category-section:not([data-category="slide"]),
#filter-images:checked ~ .main-content .category-section:not([data-category="images"]) {
    display: none;
}

.toolbar-note {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Category Sections */
.category-section {
    padding: 0.5rem 0 2.75rem;
}

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.section-title-group {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.section-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.archetype-tag {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 600;
    padding: 0.18rem 0.52rem;
    border-radius: 5px;
    background: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid var(--border-hairline);
}

.section-desc {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.example-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.example-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--border-strong);
}

.card-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-subtle);
    border-bottom: 1px solid var(--border-hairline);
    aspect-ratio: 16 / 9;
    padding: 1rem;
    overflow: hidden;
    position: relative;
}

.card-preview img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius-sm);
    transition: transform 0.25s ease;
}

.example-card:hover .card-preview img {
    transform: scale(1.02);
}

.card-preview-cover {
    padding: 0;
}

.card-preview-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.card-body {
    padding: 1.35rem 1.4rem 1.15rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.55rem;
}

.card-path {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-muted);
}

.locale-list {
    display: inline-flex;
    gap: 0.3rem;
}

.locale-chip {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.1rem 0.42rem;
    border-radius: 4px;
    background: var(--brand-primary-soft);
    color: var(--brand-primary);
}

.card-title {
    margin: 0 0 0.45rem;
    font-size: 1.14rem;
    font-weight: 700;
    letter-spacing: -0.015em;
    line-height: 1.3;
}

.card-desc {
    margin: 0 0 1.25rem;
    font-size: 0.91rem;
    color: var(--text-secondary);
    flex: 1;
}

/* Action Bar inside Cards */
.card-actions {
    padding-top: 1rem;
    border-top: 1px solid var(--border-hairline);
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.38rem;
    padding: 0.44rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.83rem;
    font-weight: 600;
    line-height: 1.2;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: #ffffff;
    border: 1px solid var(--brand-primary);
}

.btn-primary:hover {
    background-color: var(--brand-primary-hover);
    border-color: var(--brand-primary-hover);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-hairline);
}

.btn-secondary:hover {
    background-color: var(--bg-subtle);
    border-color: var(--border-strong);
}

.btn-download {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 500;
    padding: 0.34rem 0.62rem;
    border-radius: 5px;
    background-color: var(--bg-subtle);
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn-download:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
    background-color: var(--bg-surface);
}

.btn-source {
    margin-left: auto;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.34rem 0.5rem;
}

.btn-source:hover {
    color: var(--brand-primary);
}

/* Gallery Subpages (logo / ogp) */
.page-hero {
    padding: 2.5rem 0 1.75rem;
    border-bottom: 1px solid var(--border-hairline);
    margin-bottom: 2rem;
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.85rem;
}

.breadcrumb a:hover {
    color: var(--brand-primary);
}

.page-hero h1 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.6rem, 2.6vw, 2.1rem);
    letter-spacing: -0.025em;
}

.page-hero p {
    margin: 0;
    color: var(--text-secondary);
    max-width: 65ch;
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    padding-bottom: 3rem;
}

.asset-grid-wide {
    grid-template-columns: 1fr;
    gap: 1.75rem;
    padding-bottom: 3rem;
}

.asset-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-hairline);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.asset-well {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
    padding: 1.5rem;
    background-color: var(--bg-subtle);
    border-bottom: 1px solid var(--border-hairline);
}

.asset-well-dark {
    background-color: var(--bg-dark-well);
}

.asset-well img {
    max-width: 100%;
    max-height: 140px;
    width: auto;
    height: auto;
}

.asset-grid-wide .asset-well {
    padding: 1.25rem;
}

.asset-grid-wide .asset-well img {
    max-height: 440px;
    border-radius: var(--radius-sm);
}

.asset-meta {
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.asset-filename {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    word-break: break-all;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-hairline);
    padding: 2rem 0 2.75rem;
    margin-top: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .header-inner {
        padding: 0.75rem 1rem;
    }

    .brand-subtitle,
    .brand-divider {
        display: none;
    }

    .container {
        padding: 0 1rem;
    }

    .hero {
        padding: 2.25rem 0 1.75rem;
    }

    .btn-source {
        margin-left: 0;
    }
}