body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 850px;
    margin: 40px auto;
    background: #fff;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}

h1 {
    margin-top: 0;
}

label {
    display: block;
    font-weight: bold;
    margin-top: 16px;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 6px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
}

textarea {
    min-height: 130px;
}

button {
    margin-top: 22px;
    padding: 12px 18px;
    background: #111;
    color: #fff;
    border: 0;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
}

.notice {
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 18px;
}

.success {
    background: #e7f8ed;
    color: #145c2e;
}

.error {
    background: #fdeaea;
    color: #8a1f1f;
}

.small {
    color: #666;
    font-size: 14px;
}