/* NYTimes-Inspired News Website Styles */

/* CSS Variables */
:root {
    --font-serif: 'nyt-cheltenham', Georgia, 'Times New Roman', serif;
    --font-sans: 'nyt-franklin', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-headline: 'nyt-cheltenham', Georgia, serif;

    --color-primary: #121212;
    --color-secondary: #363636;
    --color-text: #333;
    --color-text-light: #666;
    --color-border: #e2e2e2;
    --color-border-dark: #ccc;
    --color-bg: #fff;
    --color-bg-gray: #f7f7f7;
    --color-accent: #567b95;
    --color-link: #326891;

    --max-width: 1200px;
    --header-height: 44px;
    --nav-height: 36px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.headline-xl {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

.headline-lg {
    font-size: 1.75rem;
    letter-spacing: -0.01em;
}

.headline-md {
    font-size: 1.25rem;
}

.headline-sm {
    font-size: 1rem;
}

.summary {
    font-family: var(--font-serif);
    color: var(--color-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Header */
.masthead {
    border-bottom: 2px solid var(--color-primary);
}

.masthead-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 20px;
    border-bottom: 1px solid var(--color-border);
}

.masthead-menu {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-icon {
    width: 16px;
    height: 16px;
    cursor: pointer;
}


.masthead-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.logo {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.masthead-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Weather Widget */
.weather-widget {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--color-text);
    white-space: nowrap;
}

.weather-icon {
    font-size: 1rem;
}

.weather-temp {
    font-weight: 600;
}

.weather-location {
    color: var(--color-text-light);
    font-size: 0.6875rem;
}

.weather-loading {
    color: var(--color-text-light);
    font-size: 0.6875rem;
}

/* Navigation */
.main-nav {
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.main-nav::-webkit-scrollbar {
    display: none;
}

.nav-list {
    display: flex;
    justify-content: center;
    gap: 0;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-item {
    padding: 10px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}

.nav-item:hover,
.nav-item.active {
    border-bottom-color: var(--color-primary);
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Main Content Grid */
.main-content {
    padding: 20px 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr 1px 1fr 1px 300px;
        gap: 20px;
    }
}

.grid-divider {
    background-color: var(--color-border);
    display: none;
}

@media (min-width: 768px) {
    .grid-divider {
        display: block;
    }
}

/* Hero Section */
.hero-section {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.hero-article {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .hero-article {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background-color: var(--color-bg-gray);
}

.hero-image.no-image {
    display: none;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-content .headline-xl {
    margin-bottom: 12px;
}

.hero-content .summary {
    margin-bottom: 8px;
}

/* Article Cards */
.article-card {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.article-card:last-child {
    border-bottom: none;
}

.article-card-horizontal {
    display: grid;
    grid-template-columns: 1fr 120px;
    gap: 16px;
    align-items: start;
}

.article-card-vertical .article-image {
    margin-bottom: 12px;
}

.article-image {
    aspect-ratio: 3/2;
    overflow: hidden;
    background-color: var(--color-bg-gray);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content h3 {
    margin-bottom: 8px;
}

.article-content h3 a:hover {
    text-decoration: underline;
}

.article-meta {
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 8px;
}

.article-source {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.article-time {
    color: var(--color-text-light);
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 2px solid var(--color-primary);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-link {
    font-size: 0.75rem;
    color: var(--color-link);
}

/* Sidebar */
.sidebar {
    padding: 20px 0;
}

@media (min-width: 768px) {
    .sidebar {
        padding: 0;
    }
}

/* Breaking News Ticker */
.breaking-ticker {
    background-color: var(--color-primary);
    color: white;
    padding: 8px 0;
    overflow: hidden;
}

.ticker-content {
    display: flex;
    align-items: center;
    gap: 24px;
    animation: ticker 30s linear infinite;
}

.ticker-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    background-color: #c70000;
    padding: 4px 8px;
    flex-shrink: 0;
}

.ticker-item {
    white-space: nowrap;
    font-size: 0.875rem;
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Category Label */
.category-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-link);
    margin-bottom: 4px;
    display: inline-block;
}

/* Opinion Section */
.opinion-section {
    background-color: var(--color-bg-gray);
    padding: 24px 0;
    margin: 24px 0;
}

.opinion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

/* More Stories Grid */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 24px 0;
}

/* Footer */
.site-footer {
    border-top: 2px solid var(--color-primary);
    padding: 40px 0;
    margin-top: 40px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h4 {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.footer-section a {
    display: block;
    font-size: 0.8125rem;
    padding: 4px 0;
    color: var(--color-text-light);
}

.footer-section a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--color-bg-gray) 25%, #f0f0f0 50%, var(--color-bg-gray) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 8px;
    border-radius: 4px;
}

.skeleton-title {
    height: 1.5em;
    width: 80%;
    margin-bottom: 12px;
    border-radius: 4px;
}

.skeleton-image {
    aspect-ratio: 16/10;
    border-radius: 4px;
}

/* Category Page Hero */
.category-hero {
    text-align: center;
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border);
}

.category-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.category-hero .subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
}

/* Featured Story */
.featured-story {
    padding: 24px 0;
    border-bottom: 1px solid var(--color-border);
}

.featured-story .article-image {
    aspect-ratio: 2/1;
    margin-bottom: 16px;
}

.featured-story h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.featured-story .summary {
    font-size: 1.0625rem;
    max-width: 720px;
}

/* Two Column Layout */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px 0;
}

@media (min-width: 768px) {
    .two-column-layout {
        grid-template-columns: 2fr 1px 1fr;
        gap: 32px;
    }
}

.column-divider {
    background-color: var(--color-border);
    display: none;
}

@media (min-width: 768px) {
    .column-divider {
        display: block;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.pt-2 { padding-top: 16px; }
.pb-2 { padding-bottom: 16px; }

.border-bottom {
    border-bottom: 1px solid var(--color-border);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Responsive */
@media (max-width: 767px) {
    .logo {
        font-size: 1.5rem;
    }

    .headline-xl {
        font-size: 1.75rem;
    }

    .headline-lg {
        font-size: 1.375rem;
    }

    .masthead-actions {
        display: none;
    }

    .nav-list {
        justify-content: flex-start;
    }
}

/* Print Styles */
@media print {
    .masthead,
    .main-nav,
    .breaking-ticker,
    .site-footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

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

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #f0f0f0;
        --color-secondary: #d0d0d0;
        --color-text: #e0e0e0;
        --color-text-light: #a0a0a0;
        --color-border: #333;
        --color-border-dark: #444;
        --color-bg: #121212;
        --color-bg-gray: #1a1a1a;
        --color-link: #7eb8da;
    }

    .skeleton {
        background: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
        background-size: 200% 100%;
    }

    .btn-subscribe {
        background-color: #7eb8da;
        color: #121212;
    }
}

/* Error State */
.error-message {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-light);
}

.error-message h3 {
    margin-bottom: 8px;
}

/* No Image Fallback - Show light grey placeholder */
.no-image {
    background-color: #e8e8e8;
    position: relative;
}

.no-image img {
    display: none;
}

/* Keep layout consistent - placeholder preserves space */
.article-card-horizontal .article-image.no-image {
    min-height: 80px;
}

.article-card-vertical .article-image.no-image {
    min-height: 120px;
}

.featured-story .article-image.no-image {
    min-height: 200px;
}

.hero-image.no-image {
    min-height: 300px;
    display: block;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--color-bg);
    z-index: 1000;
    transition: left 0.3s ease;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    overflow-y: auto;
}

.mobile-menu.open {
    left: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.mobile-menu-nav {
    padding: 16px 0;
}

.mobile-menu-nav a {
    display: block;
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

/* Date Header */
.date-header {
    text-align: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.date-header time {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
}