/* assets/css/header.css */
:root {
    --primary: #2563eb;
    --secondary: #1e40af;
    --dark: #1e293b;
    --light: #f8fafc;
    --accent: #f59e0b;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.8rem 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.9rem;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary);
}

.btn-login, .btn-register {
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    border: 2px solid var(--primary);
    transition: all 0.3s;
    font-size: 0.85rem;
}

.btn-register {
    background: var(--primary);
    color: #fff;
    border: none;
}

.btn-register:hover {
    background: var(--secondary);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}