/* CSS Variables for Theme Colors */
:root {
    --primary-color: #00d4aa;      /* Teal/Cyan */
    --secondary-color: #1a2332;    /* Dark Navy */
    --text-light: #ffffff;
    --text-muted: #b0b8c1;
    --bg-dark: #0f1419;
    --border-color: #2a3f5f;
    --transition: all 0.3s ease;
}

/* Navbar Container */
.navbar {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #0a0f17 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 212, 170, 0.1);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo/Home Link */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.logo i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.logo:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

/* Navigation Links Container */
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Navigation Links */
.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-links a:not(.admin-btn):hover {
    color: var(--primary-color);
}

.nav-links a:not(.admin-btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:not(.admin-btn):hover::after {
    width: 100%;
}

/* Admin Button */
.admin-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: var(--bg-dark) !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.admin-btn:hover {
    background: #00e6bb;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 170, 0.3);
}

.admin-btn i {
    font-size: 1rem;
}

/* Mobile Menu Toggle (hidden by default) */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 1rem;
        background: var(--secondary-color);
        padding: 2rem 1rem;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links.active {
        max-height: 300px;
    }

    .nav-links a {
        padding: 0.75rem 0;
    }

    .admin-btn {
        width: 100%;
        justify-content: center;
    }

    /* Hamburger animation */
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

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

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

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
        gap: 0.5rem;
    }

    .logo i {
        font-size: 1.25rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-links {
        top: 60px;
        padding: 1.5rem 1rem;
    }

    .nav-links a:not(.admin-btn) {
        font-size: 0.95rem;
    }

    .admin-btn {
        padding: 0.65rem 1.25rem !important;
        font-size: 0.95rem;
    }
}