body {
    background: #f6f7fb;
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    color: #2c3e50;
}

form input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
}

form button {
    width: 100%;
    padding: 14px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    cursor: pointer;
}

form button:hover {
    background: #2980b9;
}

.success, .error {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-weight: bold;
}

.success {
    background: #2ecc71;
    color: white;
}

.error {
    background: #e74c3c;
    color: white;
}