/* Navbar */
.navbar {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background-color: #0f0f0f;
    }
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.navbar-logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
}

.navbar-logo h1 {
    font-size: 1.5rem;
    margin-bottom: 0;
    font-weight: 700;
    letter-spacing: -1px;
}

.navbar-logo .tagline {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    transition: color var(--transition-fast);
}

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

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
}

.admin-link {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.admin-link:hover {
    color: var(--color-white);
    background-color: var(--color-gray-800);
}

.admin-link.active::after {
    display: none;
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 var(--spacing-md);
        height: 60px;
    }

    .navbar-logo h1 {
        font-size: 1.2rem;
    }

    .nav-menu {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        gap: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-link {
        display: block;
        padding: var(--spacing-md) var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
        width: 100%;
    }

    .nav-link.active {
        background-color: var(--color-bg-secondary);
    }

    .nav-link.active::after {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .admin-link {
        margin: var(--spacing-md);
        border-radius: 0;
    }
}

@media (max-width: 480px) {
    .navbar-logo h1 {
        font-size: 1rem;
    }

    .navbar-logo .tagline {
        display: none;
    }

    .nav-menu {
        gap: 0;
    }

    .nav-link {
        padding: var(--spacing-md);
    }
}