/* ================================
   CLPA NEWS - Premium Sports Portal
   Design System & Global Styles
   ================================ */

/* ==========================================================================
   CSS RESET & BASE STYLES
   ========================================================================== */

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

:root {
    /* Color Palette - Premium Sports Theme */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);

    --color-primary: #667eea;
    --color-secondary: #f5576c;
    --color-accent: #00f2fe;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Neutral Colors */
    --color-dark: #0a0a0a;
    --color-dark-light: #1a1a1a;
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-500: #6b7280;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-white: #ffffff;

    /* Category-specific colors */
    --color-world: #2563eb;
    --color-politics: #7c3aed;
    --color-business: #059669;
    --color-technology: #06b6d4;
    --color-entertainment: #ec4899;
    --color-sports: #dc2626;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Bebas Neue', Impact, 'Arial Black', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-gray-100);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================================================
   HEADER STYLES
   ========================================================================== */

.header {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.header-top {
    background: var(--dark-gradient);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--color-danger);
    border-radius: 50%;
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.header-date {
    opacity: 0.8;
}

.header-main {
    padding: var(--spacing-lg) 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.logo h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1;
}

.logo h1 span {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: var(--spacing-xs);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
}

.main-nav a {
    position: relative;
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.938rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    overflow: hidden;
}

.main-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-white);
    transform: translateY(-2px);
}

.main-nav a:hover::before,
.main-nav a.active::before {
    opacity: 1;
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

.search-btn,
.menu-toggle {
    background: none;
    border: none;
    color: var(--color-gray-700);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
    transform: scale(1.1);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-700);
    transition: all var(--transition-base);
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    position: relative;
    width: 90%;
    max-width: 800px;
}

.search-input {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-2xl);
    font-size: 2rem;
    font-weight: 300;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    outline: none;
    transition: all var(--transition-base);
}

.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-close {
    position: absolute;
    top: 50%;
    right: var(--spacing-lg);
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: all var(--transition-base);
}

.search-close:hover {
    transform: translateY(-50%) rotate(90deg);
    color: var(--color-danger);
}

/* ==========================================================================
   BREAKING NEWS TICKER
   ========================================================================== */

.breaking-news-bar {
    background: var(--color-danger);
    color: var(--color-white);
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.breaking-label {
    background: var(--color-dark);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.breaking-content {
    flex: 1;
    overflow: hidden;
}

.ticker-wrapper {
    width: 100%;
    overflow: hidden;
}

.ticker {
    display: inline-block;
    white-space: nowrap;
    animation: ticker 40s linear infinite;
    padding: var(--spacing-sm) 0;
}

.ticker span {
    padding: 0 var(--spacing-2xl);
    font-size: 0.875rem;
}

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

    100% {
        transform: translateX(-50%);
    }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    padding: var(--spacing-2xl) 0;
    background: var(--color-white);
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-slow);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.article-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    flex-shrink: 0;
}

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

.article-card:hover .article-image img {
    transform: scale(1.1);
}

.article-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--primary-gradient);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    z-index: 2;
    white-space: nowrap;
}

/* Controle de overflow de texto */
.article-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.article-content h2,
.article-content h3 {
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.article-content h2 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    max-height: 4.5em;
    line-height: 1.5em;
}

.article-content h3 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-height: 3em;
    line-height: 1.5em;
}

.article-content p {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    word-wrap: break-word;
    overflow-wrap: break-word;
    margin-bottom: var(--spacing-md);
}

.trending-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(239, 68, 68, 0.95);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
    animation: pulse 2s ease infinite;
}

.featured-card .article-content {
    padding: var(--spacing-xl);
}

.featured-card h2 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
    background: var(--dark-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.featured-card p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.hero-secondary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.secondary-card .article-content {
    padding: var(--spacing-lg);
}

.secondary-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.article-meta .author {
    font-weight: 600;
    color: var(--color-gray-700);
}

.separator {
    color: var(--color-gray-400);
}

/* ==========================================================================
   AD CONTAINER
   ========================================================================== */

.ad-container {
    padding: var(--spacing-xl) 0;
    background: var(--color-gray-100);
}

.ad-space {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--color-gray-300);
    overflow: hidden;
}

.leaderboard {
    min-height: 90px;
}

.sidebar-ad {
    min-height: 250px;
    margin-bottom: var(--spacing-xl);
}

.ad-placeholder {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Esconder placeholders vazios de anúncios */
/* Quando adicionar o código AdSense, o espaço aparecerá automaticamente */
.ad-space:has(.ad-placeholder:only-child) {
    display: none;
}

/* Quando houver conteúdo AdSense real (sem placeholder), o espaço será exibido */
.ad-space:has(ins.adsbygoogle),
.ad-space:has(script) {
    display: flex;
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */

.main-content {
    padding: var(--spacing-2xl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-2xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 3px solid transparent;
    border-image: var(--primary-gradient) 1;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
}

.filter-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: none;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    color: var(--color-gray-600);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--primary-gradient);
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-2px);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.load-more-container {
    text-align: center;
}

.btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--primary-gradient);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-load-more:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-load-more svg {
    transition: transform var(--transition-base);
}

.btn-load-more:hover svg {
    transform: translateY(4px);
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */

.sidebar {
    position: sticky;
    top: 140px;
    height: fit-content;
}

.widget {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.widget-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.widget-title svg {
    color: var(--color-danger);
}

/* Trending Widget */
.trending-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.trending-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
}

.trending-item:hover {
    background: var(--color-gray-100);
    transform: translateX(4px);
}

.trending-rank {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--color-white);
    font-weight: 700;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.trending-info h4 {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
}

.trending-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.searches {
    color: var(--color-gray-600);
}

.change {
    font-weight: 700;
    padding: 2px var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.change.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

/* Newsletter Widget */
.newsletter-widget p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.newsletter-form input {
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.938rem;
    transition: all var(--transition-base);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.btn-subscribe {
    padding: var(--spacing-md);
    background: var(--primary-gradient);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.938rem;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-subscribe:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
    background: var(--dark-gradient);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.footer-logo h3 span {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-gradient);
    transform: translateY(-4px);
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-base);
}

.footer-section ul a:hover {
    color: var(--color-white);
    padding-left: var(--spacing-sm);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   BACK TO TOP BUTTON
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

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

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .hero-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .logo h1 {
        font-size: 2rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .featured-card h2 {
        font-size: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .search-input {
        font-size: 1.5rem;
        padding: var(--spacing-lg);
    }
}