/* Navigation Bar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(44, 62, 80, 0.95);
    padding: 1rem 2rem;
    z-index: 1000;
    transition: transform 0.3s ease-in-out;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.hidden {
    transform: translateY(-100%);
}

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

.nav-logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo i {
    color: #4a90e2;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link:hover {
    color: #4a90e2;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4a90e2;
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.admin-login-btn {
    background: #4a90e2;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
    border: none;
    cursor: pointer;
    font-weight: 500;
}

.admin-login-btn:hover {
    background: #357abd;
}

/* Admin Login Modal */
.admin-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.admin-modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    transition: color 0.3s;
}

.modal-close:hover {
    color: #333;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: #333;
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.login-btn {
    background: #4a90e2;
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.login-btn:hover {
    background: #357abd;
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(44, 62, 80, 0.95);
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
        background: none;
        border: none;
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
    }

    .modal-content {
        margin: 1rem;
        width: auto;
    }
}