/* Reset & Base */
body {
    margin: 0;
    padding: 0;
    background-color: #f4f8fc;
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: #333;
}

.container {
    max-width: 500px;
    margin: 50px auto;
    padding: 30px;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

/* Form */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input[type="email"],
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box;
}

input[type="email"]:focus {
    border-color: #3498db;
    outline: none;
}

/* Button */
input[type="submit"] {
    background-color: #3498db;
    color: #fff;
    padding: 12px;
    width: 100%;
    border: none;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

input[type="submit"]:hover {
    background-color: #2980b9;
}

/* Messages */
.success-message {
    background-color: #e0f7e9;
    color: #27ae60;
    padding: 15px;
    border-left: 5px solid #2ecc71;
    border-radius: 6px;
    font-weight: bold;
}

.error-messages {
    list-style: none;
    padding: 15px;
    background-color: #fdecea;
    border-left: 5px solid #e74c3c;
    border-radius: 6px;
    margin-bottom: 20px;
}

.error-messages li {
    color: #c0392b;
}