/* Navigation Component Styles */

.nav-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--light-border);
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--gap-sm) var(--gap-lg);
    position: relative;
}

.nav-brand span {
    font-weight: 600;
    font-size: 1.1rem;
    color: #667eea;
}

.nav-brand span:hover {
    color: #5a67d8;
}

.nav-tabs {
    display: flex;
    gap: var(--gap-lg);
    align-items: center;
}

.nav-tab {
    color: #6b7280;
    text-decoration: none;
    padding: var(--gap-xs) var(--gap-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-slow);
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #667eea;
}

.nav-tab:hover::before,
.nav-tab.active::before {
    width: 100%;
}

.nav-tab:hover,
.nav-tab.active {
    color: var(--light-text);
    background: var(--light-secondary);
}

.nav-tab.active {
    color: #667eea;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #667eea;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-slow);
}

.mobile-menu-btn:hover {
    background: rgba(102, 126, 234, 0.1);
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        order: -1; /* Show before dark mode button */
    }
    
    .nav-tabs {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: var(--gap-sm);
        border-bottom: 1px solid var(--light-border);
        backdrop-filter: blur(10px);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-tabs.mobile-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-tab {
        width: 100%;
        text-align: center;
        padding: var(--gap-sm);
        margin: 0.2rem 0;
    }
}

/* Scroll-based Navigation Effects */
.nav-panel.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.dark-mode .nav-panel.scrolled,
body.dark-mode .nav-panel.scrolled,
html.dark-mode .nav-panel.scrolled {
    background: rgba(30, 30, 46, 0.98) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-panel.hidden {
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}

.nav-panel {
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Dark Mode Navigation */
.dark-mode .nav-panel,
body.dark-mode .nav-panel,
html.dark-mode .nav-panel {
    background: rgba(30, 30, 46, 0.95);
    border-bottom-color: var(--surface);
}

.dark-mode .nav-brand span,
body.dark-mode .nav-brand span,
html.dark-mode .nav-brand span {
    color: var(--mauve);
}

.dark-mode .nav-tab,
body.dark-mode .nav-tab,
html.dark-mode .nav-tab {
    color: var(--subtext);
}

.dark-mode .nav-tab:hover,
.dark-mode .nav-tab.active,
body.dark-mode .nav-tab:hover,
body.dark-mode .nav-tab.active,
html.dark-mode .nav-tab:hover,
html.dark-mode .nav-tab.active {
    color: var(--text);
    background: var(--surface);
}

.dark-mode .nav-tab.active,
body.dark-mode .nav-tab.active,
html.dark-mode .nav-tab.active {
    color: var(--mauve);
}

.dark-mode .nav-tab::before,
body.dark-mode .nav-tab::before,
html.dark-mode .nav-tab::before {
    background: var(--mauve);
}

.dark-mode .mobile-menu-btn,
body.dark-mode .mobile-menu-btn,
html.dark-mode .mobile-menu-btn {
    color: var(--mauve);
}

@media (max-width: 768px) {
    .dark-mode .nav-tabs {
        background: rgba(30, 30, 46, 0.98);
        border-bottom-color: var(--surface);
    }
}