/* Whooho Tips - Stili Blog */

/* Override CSS principale solo per blog */
body {
    background: #fff;
}

/* Main content area */
main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
    min-height: 70vh;
}

h1 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 1.125rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Filters */
.filters {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid #ddd;
    border-radius: 50px;
    font-size: 1rem;
}

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

.filter-tag {
    padding: 0.75rem 1.5rem;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-tag.active,
.filter-tag:hover {
    background: #000;
    color: #fff;
    border-color: #000;
}

/* Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tip-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
}

.tip-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.tip-card-image {
    display: block;
    text-decoration: none;
}

.tip-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.tip-card-content {
    padding: 1.5rem;
}

.tip-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    line-height: 1.4;
}

.tip-card h3 a {
    color: #000;
    text-decoration: none;
}

.tip-card-meta {
    font-size: 0.875rem;
    color: #999;
    margin-bottom: 1rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.separator {
    color: #ddd;
}

.tip-card p {
    color: #666;
    line-height: 1.6;
}

.tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: #f5f5f5;
    border-radius: 12px;
    font-size: 0.75rem;
    color: #666;
}

/* Pagination */
.pagination {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin: 3rem 0;
}

.page-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-btn:hover:not(:disabled) {
    background: #000;
    color: #fff;
    border-color: #000;
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.loading {
    text-align: center;
    padding: 4rem 0;
    grid-column: 1 / -1;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #FFC700;
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 4rem;
    color: #ddd;
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
        margin-top: 2rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
}
/**
 * WHOOHO TIPS (BLOG) - STILE MINIMAL ELEGANTE
 * Ottimizzato per SEO, Accessibilità WCAG 2.1 AA, LLM
 */

:root {
    /* Brand Colors */
    --color-primary: #000;
    --color-secondary: #fff;
    --color-accent: #FFC700;
    --color-accent-end: #FF8A00;
    --color-text: #000;
    --color-text-muted: #666;
    --color-text-light: #999;
    --color-bg: #fff;
    --color-bg-alt: #f8f8f8;
    --color-border: #e8e8e8;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* ===========================
   RESET & BASE
   =========================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Accessibilità: skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* ===========================
   TYPOGRAPHY
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

strong {
    font-weight: 600;
}

em {
    font-style: italic;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-bg-alt);
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

pre {
    background: var(--color-bg-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border);
}

pre code {
    background: none;
    padding: 0;
}

blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ===========================
   LAYOUT
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ===========================
   TIPS LIST (GRID)
   =========================== */

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tip-card {
    background: var(--color-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.tip-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.tip-card:focus-within {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.tip-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-alt);
}

.tip-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.tip-card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tip-card-meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.tip-card-meta time {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.tip-card-meta .separator {
    color: var(--color-border);
}

.tip-card-title {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.tip-card-title a {
    color: var(--color-text);
    text-decoration: none;
}

.tip-card-title a:hover {
    color: var(--color-accent);
}

.tip-card-excerpt {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.6;
}

.tip-card-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    transition: background var(--transition-fast);
}

.tag:hover {
    background: var(--color-accent);
    color: var(--color-primary);
}

/* ===========================
   ARTICLE (SINGLE)
   =========================== */

.article-header {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.article-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.article-cover {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.article-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
}

.article-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.article-content p {
    margin-bottom: var(--spacing-md);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
}

.article-footer {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

/* ===========================
   FILTERS & SEARCH
   =========================== */

.tips-filters {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-sans);
    background: var(--color-secondary);
    transition: border-color var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
}

.filter-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-tag {
    padding: 0.5rem 1rem;
    background: var(--color-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
}

/* ===========================
   PAGINATION
   =========================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.page-btn {
    padding: 0.75rem 1.25rem;
    background: var(--color-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.page-btn.active {
    background: var(--color-primary);
    color: var(--color-secondary);
    border-color: var(--color-primary);
}

.page-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ===========================
   EMPTY STATE
   =========================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--color-text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

/* ===========================
   LOADING STATE
   =========================== */

.loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .tips-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        max-width: 100%;
    }
    
    .filter-tags {
        justify-content: center;
    }
    
    .article-content {
        font-size: 1rem;
    }
}

/* ===========================
   PRINT STYLES
   =========================== */

@media print {
    body {
        background: white;
        color: black;
    }
    
    .skip-link,
    .tips-filters,
    .pagination,
    .article-footer {
        display: none;
    }
    
    .article-content {
        max-width: 100%;
    }
}