body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    margin: 0;
    padding: 0;
}
main{
    padding-left: 10px;
}
.form-container {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
    margin: 40px auto;
}
.form-container:hover {
    /* transform: translateY(-5px); */
}
form > h2 {
    margin-bottom: 1.5rem;
    color: #4a5568;
    font-size: 2rem;
    font-weight: 300;
}
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
label {
    text-align: left;
    font-weight: 500;
    color: #2d3748;
}
input[type="text"], input[type="password"], input[type="email"] {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: #f7fafc;
}
input[type="text"]:focus, input[type="password"]:focus {
    outline: none;
    border-color: #667eea;
    background: white;
}
input[type="submit"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s ease;
}
input[type="submit"]:hover {
    opacity: 0.9;
}
.error {
    color: #e53e3e;
    background: #fed7d7;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}
.success {
    color: #38a169;
    background: #c6f6d5;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}
.form-link {
    margin-top: 1rem;
    text-decoration: none;
    color: #667eea;
    font-weight: 500;
}
.form-link:hover {
    text-decoration: underline;
}



.menu-bar {
    width: 100%;
    background: #2b2b2b;
    padding: 0.75em 1.5em;
    box-sizing: border-box;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 2em;
    color: white;
}
.menu-user {
    font-weight: bold;
    margin-right: 1em;
}
.menu-link {
    color: #007bff;
    text-decoration: none;
    margin-left: 1em;
}
.menu-link:hover {
    text-decoration: underline;
}