body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f4f4f4;
}

.login-container {
    background-color: #ffffff;
    padding: 28px 24px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    width: 320px;
    max-width: 92vw;
    text-align: center;
}

h2 {
    margin: 0 0 18px;
    color: #222;
    font-weight: 700;
}

.form-group {
    margin-bottom: 14px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: 11px;
    border: 1px solid #cfd4dc;
    border-radius: 6px;
    box-sizing: border-box;
    background-color: #ffffff;
    color: #111;
    font-size: 15px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #0d6efd;
    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.15);
}

button {
    width: 100%;
    padding: 12px;
    background-color: #0d6efd;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    margin-top: 10px;
}

button:hover {
    background-color: #0b5ed7;
}

.signup-link {
    margin-top: 18px;
    font-size: 14px;
    color: #555;
}

.signup-link a {
    color: #0d6efd;
    text-decoration: none;
    font-weight: 600;
}

.signup-link a:hover {
    text-decoration: underline;
}