/* Modern Theme Styles - Refined & Responsive */
@import url('https://cdn.jsdelivr.net/npm/@fontsource/shabnam/shabnam.css'); /* Add Shabnam import */
@import url('https://cdn.jsdelivr.net/npm/@fontsource/vazirmatn/vazirmatn.css');

:root {
    --bg-color: #f8f9fa;
    --sidebar-bg: #ffffff;
    --text-color: #212529;
    --text-secondary: #6c757d;
    --accent-color: #007bff;
    --border-color: #e9ecef;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 8px rgba(0, 0, 0, 0.04);
    --font-family: 'Shabnam', 'Vazirmatn', sans-serif; /* Prioritize Shabnam */
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.modern-layout {
    display: flex;
    min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 2.5rem; /* Existing padding */
    position: fixed;
    height: 100%;
    right: 0;
    top: 0;
    transition: transform 0.3s ease;
    z-index: 1001; /* Ensure sidebar is above other content */
}

.sidebar p{
    margin-bottom: 2.5rem;
}

.sidebar-header {
    margin-bottom: 2rem;
}

.sidebar-header .site-logo {
    display: block;
    text-decoration: none;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.sidebar-header .site-logo img {
    max-width: 100%;
    height: auto;
    max-height: 45px;
}

.sidebar-header .site-logo h1 {
    font-size: 1.7rem;
    margin: 0;
}

.sidebar-header .site-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

.search-form {
    position: relative;
    margin-bottom: 2rem;
}

.search-form input {
    width: 100%;
    padding: 0.8rem 2.5rem 0.8rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

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

.search-form button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0.5rem;
}

.main-nav {
    flex-grow: 1; /* Allow nav to take available space */
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    margin-bottom: 0.5rem;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: var(--accent-color);
    color: #fff;
}

.main-nav a svg {
    stroke-width: 2;
}

.sidebar-footer {
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- Main Content --- */
.main-content {
    flex: 1;
    margin-right: 280px; /* Same as sidebar width */
    padding: 2.5rem 4rem;
    position: relative; /* For hamburger button positioning */
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.8rem;
    margin: 0 0 0.5rem 0;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* --- Posts Grid --- */
.modern-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
}

.post-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.08);
}

.post-card-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.post-card-details {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.post-card-title {
    font-size: 1.3rem;
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
}

.post-card-excerpt {
    margin: 0 0 1.5rem 0;
    color: var(--text-secondary);
    flex-grow: 1;
    font-size: 0.95rem;
}

.post-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.post-card-meta .views-count {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* --- Single Post --- */
.modern-single-post, .modern-single-page {
    background: var(--card-bg);
    padding: 2rem 3rem 3rem;
    border-radius: 16px;
    box-shadow: var(--card-shadow);
}

.post-header, .page-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.post-header h1, .page-header h1 {
    font-size: 2.8rem;
    margin: 0 0 1rem 0;
    line-height: 1.4;
}

.post-meta-data {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.post-meta-data span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-featured-image, .page-featured-image {
    margin-bottom: 3rem;
    border-radius: 16px;
    overflow: hidden;
}

.post-featured-image img, .page-featured-image img {
    width: 100%;
    display: block;
}

.post-body, .page-body {
    font-size: 1.1rem;
    line-height: 1.8;
}

.post-body h2, .post-body h3, .post-body h4,
.page-body h2, .page-body h3, .page-body h4 {
    margin-top: 2.5em;
    margin-bottom: 1em;
}

.post-body a, .page-body a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 2px solid rgba(0, 123, 255, 0.2);
    transition: border-color 0.2s;
}

.post-body a:hover, .page-body a:hover {
    border-bottom-color: var(--accent-color);
}

.post-body blockquote, .page-body blockquote {
    border-right: 4px solid var(--accent-color);
    margin: 2rem 0;
    padding: 1rem 1.5rem;
    background-color: var(--bg-color);
    font-style: italic;
}

.post-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-tags {
    margin-bottom: 2.5rem;
}

.post-tags span {
    font-weight: 600;
    margin-left: 1rem;
    color: var(--text-color);
}

.post-tags .tags-list {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.post-tags a {
    background-color: var(--bg-color);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.2s;
}

.post-tags a:hover {
    background-color: var(--accent-color);
    color: #fff;
}

.short-link-section .input-group {
    display: flex;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.short-link-section input {
    flex: 1;
    padding: 0.9rem 1.2rem;
    border: none;
    background-color: var(--card-bg);
    font-family: inherit;
    direction: ltr;
    text-align: left;
    font-size: 1rem;
}

.short-link-section input:focus {
    outline: none;
}

.short-link-section button {
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    padding: 0 1.5rem;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: background-color 0.2s;
}

.short-link-section button:hover {
    background-color: #0056b3;
}

.short-link-section button.copied {
    background-color: #28a745;
}

/* --- Pagination --- */
.modern-pagination .pagination {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin-top: 4rem;
}

.modern-pagination .pagination li a {
    display: block;
    padding: 0.7rem 1.1rem;
    margin: 0 0.3rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
    font-weight: 500;
}

.modern-pagination .pagination li.active a {
    background-color: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
    box-shadow: 0 2px 5px rgba(0, 123, 255, 0.3);
}

.modern-pagination .pagination li a:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* --- Hamburger Menu Button --- */
#hamburger-menu-btn {
    display: none; /* Hidden by default on desktop */
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.7rem;
    cursor: pointer;
    z-index: 1002; /* Above sidebar */
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
    transition: background-color 0.3s ease;
}

#hamburger-menu-btn:hover {
    background-color: #0056b3;
}

#hamburger-menu-btn svg {
    width: 24px;
    height: 24px;
    display: block;
}

/* --- Sidebar Overlay --- */
#sidebar-overlay {
    display: none; /* Hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000; /* Below sidebar, above content */
    opacity: 0;
    transition: opacity 0.3s ease;
}

#sidebar-overlay.is-visible {
    display: block;
    opacity: 1;
}


/* --- Responsive --- */
@media (max-width: 992px) {
    .sidebar {
        transform: translateX(100%); /* Hide sidebar by default */
        right: 0; /* Ensure it slides in from the right */
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2); /* Add shadow for depth */
    }

    .sidebar.is-open {
        transform: translateX(0); /* Show sidebar */
    }

    .main-content {
        margin-right: 0; /* No margin when sidebar is hidden */
        padding: 1.5rem;
    }

    #hamburger-menu-btn {
        display: block; /* Show hamburger button */
    }

    /* Hide hamburger button when sidebar is open */
    .sidebar.is-open + .main-content #hamburger-menu-btn {
        display: none;
    }

    .page-header h1, .post-header h1 {
        font-size: 2.2rem;
    }
    .modern-single-post, .modern-single-page {
        padding: 1.5rem;
    }
    .post-meta-data {
        flex-direction: column;
        gap: 0.5rem;
    }
    .post-tags {
        flex-direction: column;
        align-items: flex-start;
    }
    .post-tags span {
        margin-left: 0;
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    .page-header h1, .post-header h1 {
        font-size: 1.8rem;
    }
    .page-header p {
        font-size: 1rem;
    }
    .modern-posts-grid {
        grid-template-columns: 1fr; /* Single column for posts */
        gap: 1.5rem;
    }
    .post-card-title {
        font-size: 1.2rem;
    }
    .post-card-excerpt {
        font-size: 0.9rem;
    }
    .modern-single-post, .modern-single-page {
        padding: 1rem;
    }
    .post-body, .page-body {
        font-size: 1rem;
    }
    .short-link-section .input-group button {
        padding: 0 1rem;
        gap: 0.2rem;
    }
    .short-link-section .input-group button span {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    #hamburger-menu-btn {
        top: 1rem;
        right: 1rem;
        padding: 0.5rem;
    }
    .sidebar {
        width: 250px; /* Slightly smaller sidebar on very small screens */
        padding: 1.5rem;
    }
    .page-header h1, .post-header h1 {
        font-size: 1.5rem;
    }
    .post-card-thumbnail img {
        height: 150px;
    }
}