/* Navigation - Light Theme */
:root {
    --nav-height: 4rem;
    --nav-bg: oklch(0.98 0.01 265);
    --nav-border: oklch(0.90 0.01 265);
    --nav-shadow: 0 1px 3px 0 oklch(0.20 0.02 265 / 0.1), 0 1px 2px -1px oklch(0.20 0.02 265 / 0.1);
    --nav-text: var(--text-secondary);
    --nav-text-hover: var(--text);
    --nav-bg-hover: var(--surface-light);
}

/* Navbar Container */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
    z-index: var(--z-fixed);
}

/* Navbar Content */
.navbar-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.logo-icon {
    width: 2rem;
    height: 2rem;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-foreground);
}

/* Logo Text */
.logo-text {
    color: var(--text);
}

/* Nav Links */
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--nav-text);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition);
    border-radius: var(--radius);
}

.nav-link:hover {
    color: var(--nav-text-hover);
    background: var(--nav-bg-hover);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
}

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

/* Buttons in Navbar */
.btn-nav {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.btn-nav-primary {
    background: var(--primary);
    color: var(--primary-foreground);
}

.btn-nav-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px var(--primary / 0.25);
    transform: translateY(-1px);
}

.btn-nav-secondary {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

.btn-nav-secondary:hover {
    background: var(--surface-light);
    border-color: var(--border-medium);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}

.mobile-menu-toggle:hover {
    background: var(--surface);
    border-color: var(--border-medium);
}

.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    background: var(--nav-bg);
    border-left: 1px solid var(--nav-border);
    transform: translateX(100%);
    transition: transform var(--transition-slow) ease-out;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu.open .mobile-menu-backdrop {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--surface-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition);
}

.mobile-menu-close:hover {
    background: var(--surface);
    border-color: var(--border-medium);
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--nav-text);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.mobile-nav-link:hover {
    background: var(--surface-light);
    color: var(--nav-text-hover);
}

/* Stuck Navbar State */
.navbar.stuck {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

@media (min-width: 1025px) {
    .mobile-menu {
        display: none;
    }
}