/* ==========================================================
   My5K Base Theme Styles
   Global layout, header, footer, typography.
   ========================================================== */

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

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

body {
    font-family: var(--my5k-body-font, 'Inter', sans-serif);
    font-size: 16px;
    line-height: 1.6;
    color: var(--my5k-text, #1e1b4b);
    background: var(--my5k-bg, #fff);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--my5k-primary, #6B21A8);
    text-decoration: none;
}

a:hover {
    opacity: 0.85;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--my5k-heading-font, 'Inter', sans-serif);
    line-height: 1.2;
    color: var(--my5k-text, #1e1b4b);
}

/* --- Header --- */
.my5k-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.my5k-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.my5k-logo img {
    max-height: 40px;
    width: auto;
}

.my5k-site-title {
    font-family: var(--my5k-heading-font);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--my5k-text);
}

/* --- Navigation --- */
.my5k-nav ul {
    list-style: none;
    display: flex;
    gap: 0.25rem;
}

.my5k-nav a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--my5k-text);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: background 0.2s;
}

.my5k-nav a:hover,
.my5k-nav li.active a {
    background: rgba(107, 33, 168, 0.08);
    color: var(--my5k-primary);
}

/* --- Mobile Menu Toggle --- */
.my5k-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.my5k-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--my5k-text);
    transition: transform 0.2s;
}

@media (max-width: 768px) {
    .my5k-mobile-toggle {
        display: flex;
    }

    .my5k-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 1rem;
    }

    .my5k-nav.open {
        display: block;
    }

    .my5k-nav ul {
        flex-direction: column;
    }

    .my5k-nav a {
        padding: 0.75rem 1rem;
    }
}

/* --- Main Content --- */
.my5k-main {
    min-height: calc(100vh - 200px);
}

.my5k-page-title {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    max-width: 800px;
    margin: 3rem auto 2rem;
    padding: 0 1.5rem;
}

/* --- Blog --- */
.my5k-blog-listing {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.my5k-blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.my5k-blog-card {
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s;
}

.my5k-blog-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.my5k-blog-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.my5k-blog-card-content {
    padding: 1.25rem;
}

.my5k-blog-card-content time {
    font-size: 0.8rem;
    color: #6b7280;
}

.my5k-blog-card-content h2 {
    font-size: 1.15rem;
    margin: 0.5rem 0;
}

.my5k-blog-card-content h2 a {
    color: var(--my5k-text);
}

.my5k-blog-card-content p {
    font-size: 0.9rem;
    color: #6b7280;
}

/* --- Post --- */
.my5k-post {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.my5k-post-header {
    margin-bottom: 2rem;
}

.my5k-post-header h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.my5k-post-meta {
    font-size: 0.875rem;
    color: #6b7280;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.my5k-post-featured img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.my5k-post-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

/* --- Footer --- */
.my5k-footer {
    background: #1e1b4b;
    color: #fff;
    margin-top: 4rem;
}

.my5k-footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.my5k-footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    margin: 0 0.75rem;
    font-size: 0.9rem;
}

.my5k-footer-nav a:hover {
    color: #fff;
}

.my5k-footer-copy {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* --- 404 --- */
.my5k-404 {
    text-align: center;
    padding: 6rem 2rem;
}

.my5k-404 h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.my5k-404 p {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 2rem;
}

/* --- Utility --- */
.my5k-empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #6b7280;
    font-size: 1.1rem;
}

.my5k-pagination {
    margin-top: 3rem;
    text-align: center;
}

.my5k-pagination .page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.my5k-pagination .current {
    background: var(--my5k-primary);
    color: #fff;
}