/**
 * Theme: Neon Pulse
 * Architecture: Header & Navigation
 */

.neon-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: var(--np-bg-floating);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    display: flex;
    align-items: center;
}

.header-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--np-spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--np-spacing-xl);
}

/* Brand Logo */
.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--np-spacing-xs);
    text-decoration: none;
}

.logo-text {
    font-family: var(--np-font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--np-text-main);
    letter-spacing: 0.1em;
}

.logo-pulse {
    width: 8px;
    height: 8px;
    background-color: var(--np-accent-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--np-accent-secondary-glow);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 255, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 255, 255, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 255, 0); }
}

/* Search Intelligence */
.search-bar {
    flex: 1;
    max-width: 400px;
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--np-radius-pill);
    padding: 0 var(--np-spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color var(--np-transition-fast), background var(--np-transition-fast);
}

.search-bar:focus-within {
    border-color: var(--np-accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px var(--np-accent-primary-glow);
}

.search-bar i {
    color: var(--np-text-muted);
    font-size: 1rem;
}

.search-bar input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--np-text-main);
    padding: var(--np-spacing-sm) var(--np-spacing-md);
    font-family: var(--np-font-sans);
    font-size: 0.95rem;
    outline: none;
}

.search-bar input::placeholder {
    color: var(--np-text-muted);
}

.search-shortcut {
    background: rgba(255, 255, 255, 0.1);
    color: var(--np-text-muted);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Navigation Momentum */
.category-nav {
    display: flex;
    gap: var(--np-spacing-sm);
}

.nav-pill {
    display: flex;
    align-items: center;
    gap: var(--np-spacing-xs);
    padding: var(--np-spacing-sm) var(--np-spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--np-radius-pill);
    color: var(--np-text-main);
    font-size: 0.9rem;
    font-weight: 600;
    transition: background var(--np-transition-fast), transform var(--np-transition-bounce);
}

.nav-pill:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-pill.active {
    background: var(--np-accent-primary);
    box-shadow: var(--np-shadow-glow);
}

/* User Hub & Gamification */
.user-hub {
    display: flex;
    align-items: center;
    gap: var(--np-spacing-lg);
}

.notification-bell {
    position: relative;
    cursor: pointer;
    color: var(--np-text-muted);
    font-size: 1.2rem;
    transition: color var(--np-transition-fast);
}

.notification-bell:hover {
    color: var(--np-text-main);
}

.notification-bell .badge {
    position: absolute;
    top: -5px;
    right: -8px;
    background: var(--np-danger);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: var(--np-radius-pill);
    border: 2px solid var(--np-bg-floating);
}

.profile-widget {
    display: flex;
    align-items: center;
    gap: var(--np-spacing-sm);
    cursor: pointer;
}

.avatar-ring {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    padding: 2px;
    background: linear-gradient(135deg, var(--np-accent-secondary), var(--np-accent-primary));
    position: relative;
}

.avatar-ring img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--np-bg-floating);
}

.xp-progress {
    width: 60px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--np-radius-pill);
    overflow: hidden;
}

.xp-progress .bar {
    height: 100%;
    background: var(--np-accent-secondary);
    box-shadow: 0 0 8px var(--np-accent-secondary-glow);
}

/* Mobile Bottom Nav */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 65px;
    background: var(--np-bg-floating);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom);
}

.mobile-bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--np-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
}

.mobile-bottom-nav .nav-item.active {
    color: var(--np-accent-secondary);
}

.mobile-bottom-nav .nav-item i {
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .category-nav { display: none; }
    .search-bar { max-width: 300px; }
}

@media (max-width: 768px) {
    .search-bar { display: none; }
    .user-hub .xp-progress { display: none; }
    .mobile-bottom-nav { display: flex; }
    .neon-pulse-main { padding-bottom: 80px; }
}