* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

h1, h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

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

label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

input[type="tel"],
input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
}

.btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    text-decoration: none;
    text-align: center;
    display: inline-block;
}

.btn-secondary {
    background: #6c757d;
}

.btn-danger {
    background: #dc3545;
}

.hidden {
    display: none !important;
}

.call-number {
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin: 20px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.timer {
    text-align: center;
    margin: 20px 0;
    font-size: 18px;
}

.api-key {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    margin: 15px 0;
    word-break: break-all;
    font-size: 14px;
}

.api-key-section {
    margin: 30px 0;
}

.user-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.user-info p {
    margin-bottom: 10px;
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.actions .btn {
    flex: 1;
}

/* Дополнительные стили */
.call-link {
    color: #333;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    transition: background-color 0.3s;
}

.call-link:hover {
    background-color: #e9ecef;
}

@media (max-width: 767px) {
    .container {
        padding: 20px;
        max-width: 100%;
    }
    
    .call-number {
        font-size: 20px;
    }
}