/* ==========================================================================
   CMSbyPHP Clean Theme — Ultra-fast, lightweight CSS (Czupryniak Blog)
   ========================================================================== */

:root {
    color-scheme: light;
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --bg-subtle: #f1f5f9;
    --border-color: #e2e8f0;
    --border-strong: #cbd5e1;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-subtle: rgba(37, 99, 235, 0.08);
    --accent-text: #2563eb;
    --code-bg: #0f172a;
    --code-text: #f8fafc;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --max-w-content: 1140px;
    --max-w-prose: 760px;
}

[data-theme="dark"] {
    color-scheme: dark;
    --bg-body: #0b1120;
    --bg-surface: #111b33;
    --bg-card: #131f3b;
    --bg-card-hover: #18274a;
    --bg-subtle: #18274a;
    --border-color: #1e2e50;
    --border-strong: #2a3e68;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-light: #64748b;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-subtle: rgba(59, 130, 246, 0.15);
    --accent-text: #60a5fa;
    --code-bg: #070d19;
    --code-text: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
}

/* Base resets */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    transition: background-color 0.25s ease, color 0.25s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--max-w-content);
    margin: 0 auto;
    padding: 0 24px;
}

/* Reading Progress Bar */
#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), #60a5fa);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Sticky Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.25s ease, border-color 0.25s ease;
}
[data-theme="dark"] .site-header {
    background: rgba(11, 17, 32, 0.85);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
}
.brand-badge {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent), #4f46e5);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.35);
}
.brand-info {
    display: flex;
    flex-direction: column;
}
.brand-title {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
}
.brand-tagline {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

/* Nav Menu */
.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
}
.nav-link {
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 600;
    transition: color 0.15s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--accent-text);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.icon-btn:hover {
    background: var(--border-color);
    transform: translateY(-1px);
}
.mobile-toggle {
    display: none;
}

/* Hero Section (Home) */
.hero-section {
    padding: 70px 0 50px;
    border-bottom: 1px solid var(--border-color);
    background: radial-gradient(circle at 80% 20%, var(--accent-subtle) 0%, transparent 60%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
    align-items: center;
}
.hero-avatar {
    width: 170px;
    height: 170px;
    border-radius: 50%;
    border: 4px solid var(--border-color);
    box-shadow: var(--shadow-md);
    background: var(--bg-surface);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--accent-subtle);
    color: var(--accent-text);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.hero-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
}
.hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 680px;
}
.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}
.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: #ffffff;
    transform: translateY(-1px);
}
.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-main);
    border-color: var(--border-color);
}
.btn-secondary:hover {
    background: var(--bg-subtle);
    color: var(--text-main);
}
.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 8px;
}

/* Category Feature Cards (Home) */
.pillars-section {
    padding: 60px 0;
}
.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-subtitle {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--accent-text);
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}
.section-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.pillar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.pillar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}
.pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--accent-subtle);
    color: var(--accent-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}
.pillar-title {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
}
.pillar-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

/* Articles Section */
.posts-section {
    padding: 20px 0 80px;
}
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 30px;
}
.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-strong);
}
.post-card-thumb-link {
    display: block;
    overflow: hidden;
    background: var(--bg-subtle);
    aspect-ratio: 16 / 9;
}
.post-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.post-card:hover .post-card-thumb {
    transform: scale(1.03);
}
.post-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.post-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.badge-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 6px;
    background: var(--accent-subtle);
    color: var(--accent-text);
    text-decoration: none;
}
.badge-category:hover {
    background: var(--accent);
    color: #fff;
}
.reading-time-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.post-card-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 12px;
}
.post-card-title a {
    color: var(--text-main);
    text-decoration: none;
}
.post-card-title a:hover {
    color: var(--accent-text);
}
.post-card-excerpt {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}
.post-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    font-weight: 600;
}

/* Archive / Blog Filter Bar */
.filter-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.search-wrapper {
    position: relative;
    width: 100%;
}
.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    width: 18px;
    height: 18px;
    pointer-events: none;
}
.search-input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-body);
    color: var(--text-main);
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}
.category-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.cat-pill {
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-subtle);
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: all 0.15s ease;
}
.cat-pill:hover, .cat-pill.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

/* Single Post Page */
.single-post-wrapper {
    padding: 50px 0 80px;
}
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.breadcrumbs a {
    color: var(--text-muted);
}
.breadcrumbs a:hover {
    color: var(--accent-text);
}
.post-header {
    text-align: center;
    max-width: var(--max-w-prose);
    margin: 0 auto 36px;
}
.post-hero-title {
    font-size: clamp(30px, 4.5vw, 46px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    margin: 16px 0;
}
.post-meta-details {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-muted);
    flex-wrap: wrap;
}
.post-featured-banner {
    max-width: 900px;
    margin: 0 auto 40px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}
.post-featured-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Prose (Typography) */
.post-prose {
    max-width: var(--max-w-prose);
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-main);
}
.post-prose p {
    margin-bottom: 24px;
}
.post-prose .lead {
    font-size: 21px;
    line-height: 1.6;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 30px;
}
.post-prose h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 44px 0 18px;
    line-height: 1.3;
}
.post-prose h3 {
    font-size: 21px;
    font-weight: 700;
    margin: 36px 0 16px;
}
.post-prose ul, .post-prose ol {
    margin: 0 0 24px 24px;
}
.post-prose li {
    margin-bottom: 8px;
}
.post-prose blockquote {
    border-left: 4px solid var(--accent);
    padding: 16px 20px;
    background: var(--accent-subtle);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 28px 0;
    font-style: italic;
    color: var(--text-main);
}
.post-prose pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.6;
    margin: 28px 0;
    position: relative;
}
.post-prose code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--bg-subtle);
    color: var(--accent-text);
    padding: 2px 6px;
    border-radius: 4px;
}
.post-prose pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}
.post-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.post-prose img,
.post-prose video,
.post-prose iframe {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}
.post-prose th, .post-prose td {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    text-align: left;
}
.post-prose th {
    background: var(--bg-subtle);
    font-weight: 700;
}

/* Post Meta Tags & Share Footer */
.post-footer-meta {
    max-width: var(--max-w-prose);
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}
.tag-pill {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--bg-subtle);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    text-decoration: none;
}
.tag-pill:hover {
    background: var(--accent-subtle);
    color: var(--accent-text);
    border-color: var(--accent);
}
.share-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    flex-wrap: wrap;
}
.share-links {
    display: flex;
    gap: 8px;
}

/* Author Box */
.author-box {
    max-width: var(--max-w-prose);
    margin: 36px auto;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 24px;
}
.author-box-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
}

/* Adjacent Post Navigator */
.adjacent-nav {
    max-width: var(--max-w-prose);
    margin: 40px auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.adjacent-card {
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.adjacent-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}
.adjacent-label {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}
.adjacent-title {
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-main);
}

/* Footer */
.site-footer {
    margin-top: auto;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-heading {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    color: var(--text-main);
}
.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-list a {
    color: var(--text-muted);
    font-size: 14px;
}
.footer-list a:hover {
    color: var(--accent-text);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 12px;
}

/* Back to top button */
.btn-back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}
.btn-back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* Toast Notification */
.toast-notice {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #0f172a;
    color: #ffffff;
    border: 1px solid transparent;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}
.toast-notice.show {
    transform: translateX(-50%) translateY(0);
}
[data-theme="dark"] .toast-notice {
    background: var(--bg-card);
    color: var(--text-main);
    border-color: var(--border-color);
}

/* Generic Form Controls */
input, textarea, select {
    font-family: inherit;
    color: var(--text-main);
}
[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    color-scheme: dark;
}

/* Responsive queries */
@media (max-width: 860px) {
    .nav-links {
        display: none;
    }
    .mobile-toggle {
        display: flex;
    }
    .mobile-menu-active .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border-bottom: 2px solid var(--accent);
        padding: 16px 20px;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
        gap: 6px;
        z-index: 1001;
    }
    .mobile-menu-active .nav-links li {
        width: 100%;
    }
    .mobile-menu-active .nav-link {
        display: block;
        padding: 12px 14px;
        font-size: 15px;
        border-radius: var(--radius-sm);
    }
    .mobile-menu-active .nav-link:hover,
    .mobile-menu-active .nav-link.active {
        background: var(--accent-subtle);
        color: var(--accent);
    }

    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
        gap: 24px;
    }
    .hero-avatar {
        width: 130px;
        height: 130px;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta-group {
        justify-content: center;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .adjacent-nav {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
    .site-header .header-inner {
        height: 60px;
        gap: 12px;
    }
    .brand-title {
        font-size: 17px;
    }
    .brand-tagline {
        display: none;
    }
    .hero-section {
        padding: 36px 0 24px;
    }
    .hero-title {
        font-size: 24px;
    }
    .hero-desc {
        font-size: 15px;
    }
    .hero-cta-group .btn {
        width: 100%;
    }
    .pillars-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }
    .posts-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    .post-card-body {
        padding: 18px 16px;
    }
    .post-card-title {
        font-size: 17px;
    }
    .post-prose {
        font-size: 16px;
        line-height: 1.7;
    }
    .post-hero-title {
        font-size: 24px;
    }
    .post-meta-details {
        font-size: 12.5px;
        gap: 8px;
    }
    .author-box {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
    }
    .site-footer {
        padding: 36px 0 24px;
    }
    .filter-bar {
        padding: 14px 12px;
        margin-bottom: 24px;
    }
    .category-pills {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        scrollbar-width: none;
    }
    .category-pills::-webkit-scrollbar { display: none; }
    .cat-pill {
        white-space: nowrap;
        flex-shrink: 0;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    .btn-back-to-top {
        bottom: max(16px, env(safe-area-inset-bottom, 16px));
        right: 16px;
        padding: 8px 12px;
        font-size: 12px;
    }
}