* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Roboto', sans-serif;
    background: #f4f6f9;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: 40px auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
h1 {
    font-size: 24px;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 20px;
}
p {
    margin-bottom: 16px;
}
label {
    display: block;
    font-weight: 500;
    margin-bottom: 6px;
    color: #2c3e50;
}
input[type="text"],
input[type="email"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    transition: border 0.3s;
}
input[type="text"]:focus,
input[type="email"]:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}
input[readonly] {
    background-color: #f8f9fa;
    cursor: not-allowed;
}
.status {
    text-align: center;
    margin: 15px 0;
    font-weight: 500;
}
.btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    width: 100%;
    font-weight: 500;
    transition: background 0.3s;
}
.btn:hover {
    background: #2980b9;
}
.info {
    text-align: center;
    margin-top: 20px;
    color: #7f8c8d;
    font-size: 14px;
}
.info a {
    color: #3498db;
    text-decoration: none;
}
.info a:hover {
    text-decoration: underline;
}
.blocked-counter {
    font-size: 18px;
    font-weight: bold;
    color: #e74c3c;
    text-align: center;
    margin: 10px 0 20px;
}
.error {
    color: #e74c3c;
    font-size: 14px;
    text-align: center;
}
.success {
    color: #27ae60;
    font-weight: 500;
}