/**
 * N10 News Portal - Professional Design
 * Estilo moderno de grande portal de notícias
 *
 * @package N10_News_Portal
 * @version 2.1.0
 */

/* ==========================================================================
   VARIÁVEIS CSS
   ========================================================================== */

:root {
    /* Cores Principais */
    --color-primary: #c00;
    --color-secondary: #0066cc;
    --color-accent: #ff6b00;
    
    /* Cores de Texto */
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-text-lighter: #999;
    
    /* Cores de Fundo */
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-bg-dark: #1a1a1a;
    
    /* Cores de Borda */
    --color-border: #e1e1e1;
    --color-border-light: #f0f0f0;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Merriweather', Georgia, serif;
    
    /* Tamanhos de Fonte */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    
    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Breakpoints (para referência) */
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
}

/* Dark Mode Variables */
body.dark-mode {
    --color-text: #e1e1e1;
    --color-text-light: #b3b3b3;
    --color-text-lighter: #808080;
    --color-bg: #1a1a1a;
    --color-bg-alt: #2a2a2a;
    --color-border: #3a3a3a;
    --color-border-light: #2a2a2a;
}

/* ==========================================================================
   TOPBAR
   ========================================================================== */

.topbar {
    background: var(--color-bg-dark);
    color: #fff;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.topbar-left,
.topbar-center,
.topbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topbar-date,
.topbar-weather {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255,255,255,0.8);
}

.topbar-date i,
.topbar-weather i {
    font-size: var(--font-size-xs);
}

/* Breaking News Ticker */
.topbar-center {
    flex: 1;
    max-width: 600px;
    overflow: hidden;
}

.breaking-label {
    background: var(--color-primary);
    color: #fff;
    padding: 0.25rem 0.75rem;
    font-weight: 700;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.breaking-ticker {
    display: flex;
    gap: var(--spacing-lg);
    animation: ticker 30s linear infinite;
}

.breaking-ticker a {
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.breaking-ticker a:hover {
    color: var(--color-accent);
}

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

/* Topbar Social */
.topbar-social {
    display: flex;
    gap: var(--spacing-sm);
}

.topbar-social a {
    color: rgba(255,255,255,0.7);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.topbar-social a:hover {
    color: #fff;
}

/* Topbar User */
.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.user-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: #fff;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.user-link:hover {
    opacity: 0.8;
}

.user-link img {
    border-radius: 50%;
}

.logout-link {
    color: rgba(255,255,255,0.7);
    transition: color var(--transition-fast);
}

.logout-link:hover {
    color: var(--color-primary);
}

.topbar-login {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: #fff;
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.topbar-login:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}

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

.site-header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

/* Logo */
.site-branding {
    flex-shrink: 0;
}

.site-title {
    margin: 0;
    font-size: var(--font-size-3xl);
    font-weight: 900;
    line-height: 1.2;
}

.site-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-title a:hover {
    color: var(--color-primary);
}

.site-description {
    margin: 0.25rem 0 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.custom-logo-link img {
    max-height: 60px;
    width: auto;
}

/* Header Ad */
.header-ad {
    flex: 1;
    text-align: center;
    max-width: 728px;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-toggle,
.dark-mode-toggle,
.mobile-menu-toggle {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.search-toggle:hover,
.dark-mode-toggle:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* ==========================================================================
   NAVEGAÇÃO PRINCIPAL
   ========================================================================== */

.main-navigation {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xs);
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* Submenu */
.nav-menu ul {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    min-width: 220px;
    list-style: none;
    margin: 0;
    padding: var(--spacing-xs) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.nav-menu li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu ul li a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.nav-menu ul li a:hover {
    background: var(--color-bg-alt);
    color: var(--color-primary);
    padding-left: calc(var(--spacing-md) + 0.5rem);
}

/* ==========================================================================
   SEARCH OVERLAY
   ========================================================================== */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.95);
    z-index: 9999;
    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-overlay-inner {
    width: 100%;
    max-width: 800px;
    padding: var(--spacing-lg);
    position: relative;
}

.search-close {
    position: absolute;
    top: 0;
    right: var(--spacing-lg);
    background: none;
    border: none;
    color: #fff;
    font-size: var(--font-size-3xl);
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.search-form-wrapper input[type="search"] {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-2xl);
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    color: #fff;
    transition: all var(--transition-base);
}

.search-form-wrapper input[type="search"]:focus {
    background: rgba(255,255,255,0.15);
    border-color: var(--color-primary);
    outline: none;
}

.search-form-wrapper input[type="search"]::placeholder {
    color: rgba(255,255,255,0.5);
}