/* Header Styles */
.sticky-header {
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

.sticky-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-top {
    padding: 6px 0;
    border-bottom: 1px solid var(--border-light);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.site-branding {
    display: none;
    align-items: center;
    gap: 8px;
    min-width: auto;
}

.site-logo-link {
    display: none;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.site-logo {
    height: 24px;
    width: auto;
    max-width: 120px;
    transition: transform 0.3s ease;
    display: none;
}

.site-logo-link:hover .site-logo {
    transform: scale(1.05);
}

.site-branding .custom-logo {
    height: 50px;
    width: auto;
}

.site-title-area {
    flex: 1;
    display: none;
}

.site-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

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

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

.site-tagline {
    margin: 4px 0 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: none;
}

.header-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    display: none;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-toggle,
.dark-mode-toggle,
.user-toggle {
    width: 40px;
    height: 40px;
    padding: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition);
}

.search-toggle:hover,
.dark-mode-toggle:hover,
.user-toggle:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-light);
    color: var(--primary-color);
}

/* Search Bar */
.search-bar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
}

.search-form {
    display: flex;
    gap: 8px;
}

.search-field {
    flex: 1;
    padding: 10px 16px !important;
    font-size: 0.95rem;
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-md) !important;
    color: var(--text-primary) !important;
}

.search-field::placeholder {
    color: var(--text-muted);
}

.search-field:focus {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1) !important;
}

.search-submit {
    padding: 10px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.nav-container {
    padding: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-item {
    position: relative;
    white-space: nowrap;
}

.nav-item a {
    display: block;
    padding: 16px 20px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.nav-item:hover a {
    color: var(--text-primary);
}

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

.nav-divider {
    width: 1px;
    background-color: var(--border-color);
    margin: 8px 0;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Breaking News Bar */
.breaking-news-bar {
    background-color: #fef2f2;
    border-bottom: 1px solid #fee2e2;
    padding: 12px 0;
    animation: slideDown 0.3s ease;
}

[data-theme="dark"] .breaking-news-bar {
    background-color: rgba(220, 38, 38, 0.1);
    border-bottom-color: rgba(220, 38, 38, 0.3);
}

.breaking-content {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.875rem;
    overflow: hidden;
}

.breaking-label {
    background-color: #dc2626;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    flex-shrink: 0;
}

.breaking-text {
    color: var(--text-primary);
    font-weight: 500;
    animation: marquee 30s linear infinite;
}

.breaking-text:hover {
    animation-play-state: paused;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        gap: 12px;
    }
    
    .site-branding {
        min-width: auto;
    }
    
    .site-title {
        font-size: 1.25rem;
    }
    
    .header-date {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-item a {
        padding: 12px 16px;
    }
    
    .search-bar .container {
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .header-top {
        padding: 12px 0;
    }
    
    .site-title {
        font-size: 1.125rem;
    }
    
    .site-tagline {
        display: none;
    }
    
    .header-controls {
        gap: 8px;
    }
    
    .search-toggle,
    .dark-mode-toggle,
    .user-toggle {
        width: 36px;
        height: 36px;
    }
}