/* Header Styles */
header {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] header {
    background: rgba(15, 23, 42, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    width: 100%;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: 'Sora', sans-serif;
}

.site-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.site-link i {
    font-size: 0.75rem;
}

.divider {
    color: var(--border-color);
    font-size: 1rem;
    font-weight: 300;
}

.page-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-primary);
}

.page-title i {
    color: var(--primary);
}

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

#theme-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

#theme-toggle:hover {
    background: var(--section-alt-bg);
    transform: scale(1.05);
}

#theme-toggle svg {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--text-primary);
}

#theme-toggle .moon {
    display: block;
}

#theme-toggle .sun {
    display: none;
}

[data-theme="dark"] #theme-toggle .moon {
    display: none;
}

[data-theme="dark"] #theme-toggle .sun {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: color 0.3s ease;
    position: relative;
}

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

nav a::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* Account Navigation Bar (tabs) */
#accountNavbar {
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

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

.nav-tabs li {
    margin: 0;
}

.nav-tab {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-tab:hover {
    color: var(--primary);
}

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