/* assets/css/style.css */
body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    background: #f4f7f6; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    margin: 0; 
}
.login-card { 
    background: #fff; 
    padding: 2rem; 
    border-radius: 12px; 
    box-shadow: 0 10px 25px rgba(0,0,0,0.1); 
    width: 100%; 
    max-width: 400px; 
}
.login-card h2 { margin-bottom: 1.5rem; color: #333; text-align: center; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: #666; }
.form-group input { 
    width: 100%; 
    padding: 12px; 
    border: 1px solid #ddd; 
    border-radius: 6px; 
    box-sizing: border-box; 
    font-size: 1rem; 
}
.btn-login { 
    width: 100%; 
    padding: 12px; 
    border: none; 
    border-radius: 6px; 
    background: #007bff; 
    color: white; 
    font-size: 1rem; 
    cursor: pointer; 
    transition: background 0.3s; 
}
.btn-login:hover { background: #0056b3; }
#message { margin-top: 1rem; text-align: center; font-size: 0.9rem; }
.error { color: #dc3545; }
.success { color: #28a745; }