@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400;1,700&display=swap');

/* Global variables and color tokens */
:root {
    /* Light Mode Palette */
    --bg-primary: #fcfbfa;
    --bg-secondary: #f4f2f0;
    --bg-tertiary: #e9e6e2;
    --text-primary: #1c1917;
    --text-secondary: #57534e;
    --text-muted: #87817a;
    --accent-red: #dc2626;
    --accent-red-hover: #b91c1c;
    --accent-green: #059669;
    --accent-amber: #d97706;
    --accent-blue: #2563eb;
    --border-color: #e7e5e4;
    --card-shadow: 0 4px 20px -2px rgba(28, 25, 23, 0.08);
    --hover-shadow: 0 10px 30px -4px rgba(28, 25, 23, 0.12);
    
    /* Font Families */
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

/* Dark Mode Palette override */
[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #131a2d;
    --bg-tertiary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    --accent-red: #f43f5e;
    --accent-red-hover: #fda4af;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --accent-blue: #3b82f6;
    --border-color: #1e293b;
    --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
    --hover-shadow: 0 10px 30px -4px rgba(0, 0, 0, 0.7);
}

/* Base styles and resets */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography Helpers */
h1, h2, h3, h4, .newspaper-title {
    font-family: var(--font-serif);
    font-weight: 700;
}

/* Scrollbar styles */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Header & Navigation Styles */
header {
    border-bottom: 2px solid var(--text-primary);
    padding: 1.5rem 0 1rem;
    margin-bottom: 0.5rem;
}

[data-theme="dark"] header {
    border-bottom: 2px solid var(--border-color);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header-top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
}

.header-meta-left {
    display: flex;
    gap: 1.5rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Brand Logo Styling */
.logo-container {
    text-align: center;
    margin: 0.5rem 0 1.5rem;
}

.brand-logo {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1;
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.brand-logo span {
    color: var(--accent-red);
}

.brand-tagline {
    font-style: italic;
    font-family: var(--font-serif);
    color: var(--text-muted);
    font-size: 1rem;
    margin-top: 0.25rem;
}

/* Navigation bar */
.nav-container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.main-nav {
    display: flex;
    justify-content: center;
    list-style: none;
    overflow-x: auto;
    white-space: nowrap;
}

.main-nav li a {
    display: block;
    padding: 0.85rem 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.main-nav li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.25rem;
    right: 1.25rem;
    height: 3px;
    background-color: var(--accent-red);
    transform: scaleX(0);
    transition: transform var(--transition-speed) ease;
}

.main-nav li a:hover {
    color: var(--accent-red);
}

.main-nav li a:hover::after,
.main-nav li.active a::after {
    transform: scaleX(1);
}

.main-nav li.active a {
    color: var(--accent-red);
}

/* Utility buttons */
.btn-toggle-theme, .btn-action {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: var(--bg-secondary);
}

.btn-toggle-theme:hover, .btn-action:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--text-muted);
}

.btn-primary {
    background-color: var(--accent-red);
    color: #ffffff;
    border: none;
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
    color: #ffffff;
}

/* Main Layout Structure */
.main-layout {
    max-width: var(--max-width);
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2.5rem;
}

/* Responsive details */
@media (max-width: 992px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    
    .brand-logo {
        font-size: 2.5rem;
    }
}

/* Article Hero Section */
.article-header {
    margin-bottom: 1.5rem;
}

.category-badge {
    display: inline-block;
    background-color: var(--accent-red);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.category-badge.politics {
    background-color: var(--accent-blue);
}

.category-badge.science {
    background-color: var(--accent-green);
}

.category-badge.lifestyle {
    background-color: var(--accent-amber);
}

.article-title {
    font-size: 2.8rem;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--accent-amber);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.7rem;
}

/* Hero Article Image Box */
.article-image-box {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    background-color: var(--bg-secondary);
}

.article-image-box img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    transition: transform 0.5s ease;
}

.article-image-box:hover img {
    transform: scale(1.01);
}

.image-caption {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

/* Article Content Body */
.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.article-content p {
    margin-bottom: 1.25rem;
}

.article-content p:first-of-type::first-letter {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    float: left;
    line-height: 0.8;
    padding-right: 8px;
    padding-top: 4px;
    font-weight: bold;
    color: var(--accent-red);
}

/* Reactions Bar */
.reactions-section {
    padding: 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: 2.5rem;
    border: 1px dashed var(--border-color);
}

.reactions-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.reactions-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.reaction-btn {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
    transform: translateZ(0);
}

.reaction-btn:hover {
    border-color: var(--accent-red);
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
}

.reaction-btn.active {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-red);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.reaction-btn span.emoji {
    font-size: 1.2rem;
}

.reaction-btn span.count {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Comments Section styling */
.comments-section {
    margin-top: 3rem;
    border-top: 2px solid var(--text-primary);
    padding-top: 2rem;
}

[data-theme="dark"] .comments-section {
    border-top: 2px solid var(--border-color);
}

.comments-header-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.comment-form {
    margin-bottom: 2rem;
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.comment-form-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.comment-input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (max-width: 576px) {
    .comment-input-grid {
        grid-template-columns: 1fr;
    }
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(225, 29, 72, 0.1);
}

.comment-submit-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 8px;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.comment-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
}

.comment-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.comment-author {
    font-weight: 700;
    color: var(--accent-red);
}

.comment-content {
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* Portal Grid Layout */
.portal-hero-section {
    margin-bottom: 3rem;
}

.hero-card {
    display: flex;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.hero-card .hero-image-box {
    flex: 1.2;
    min-height: 320px;
    background-color: var(--bg-tertiary);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-card .hero-image-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.hero-card .hero-info-box {
    flex: 1;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    font-size: 2rem;
    line-height: 1.2;
    margin: 0.75rem 0 1rem;
    color: var(--text-primary);
}

.hero-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.hero-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

@media (max-width: 768px) {
    .hero-card {
        flex-direction: column;
    }
    .hero-card .hero-image-box {
        min-height: 240px;
        flex: none;
    }
    .hero-card .hero-info-box {
        padding: 1.5rem;
    }
    .hero-title {
        font-size: 1.6rem;
    }
}

/* Category grid and cards */
.portal-list-header {
    margin-bottom: 1.5rem;
    font-size: 1.6rem;
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: 0.5rem;
}

[data-theme="dark"] .portal-list-header {
    border-bottom: 2px solid var(--border-color);
}

.portal-grid-section {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.article-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.article-card .card-image-box {
    height: 220px;
    overflow: hidden;
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.article-card .card-image-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.article-card .card-body-box {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.25rem;
    line-height: 1.3;
    margin: 0.5rem 0 0.75rem;
    color: var(--text-primary);
}

.card-excerpt {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.5;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

.no-stories {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    color: var(--text-muted);
    border: 1px dashed var(--border-color);
}

/* Sidebar Styling */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.sidebar-widget {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--text-primary);
    padding-bottom: 0.5rem;
    position: relative;
}

[data-theme="dark"] .widget-title {
    border-bottom: 2px solid var(--border-color);
}

/* News Search Widget */
.search-box {
    display: flex;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.65rem 2.5rem 0.65rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

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

.search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

/* Trending Stories List */
.trending-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.trending-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    position: relative;
    padding-left: 1.75rem;
}

.trending-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.trending-item::before {
    content: attr(data-rank);
    position: absolute;
    left: 0;
    top: 0;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--accent-red);
    line-height: 1.2;
}

.trending-headline {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    cursor: pointer;
}

.trending-headline:hover {
    color: var(--accent-red);
}

.trending-views {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Newsletter Widget */
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.newsletter-input {
    padding: 0.65rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.85rem;
}

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

.newsletter-btn {
    padding: 0.65rem 1rem;
    font-weight: 600;
    border-radius: 8px;
}

/* Footer Section */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 1.5rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
    }
}

.footer-about h3, .footer-links h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-about p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-disclaimer {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.4;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.footer-links ul li a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    max-width: var(--max-width);
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Newsletter Success Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    text-align: center;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-icon {
    font-size: 3rem;
    color: var(--accent-green);
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.modal-message {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* Floating back to top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent-red);
    color: white;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
    transition: opacity 0.3s, transform 0.3s;
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
}

.back-to-top:hover {
    transform: translateY(-3px);
    background-color: var(--accent-red-hover);
}