/* Base styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    color: #333;
    background-color: #f9f9f9;
}

/* Container */
.container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Typography */
h1 {
    color: #1976d2;
    text-align: center;
    margin-bottom: 30px;
}

h2 {
    color: #1976d2;
    border-bottom: 2px solid #e3f2fd;
    padding-bottom: 5px;
    margin-top: 30px;
}

h3 {
    color: #424242;
    margin-top: 25px;
}

/* Lists */
ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

ol {
    padding-left: 20px;
}

ol li {
    margin-bottom: 10px;
}

/* Info blocks and alerts */
.info-block, .operator-info {
    background: #e3f2fd;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.important {
    background: #fff3e0;
    border-left: 4px solid #ff9800;
    padding: 15px;
    margin: 15px 0;
}

.contact-info {
    background: #f3e5f5;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.alert-warning {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-left: 4px solid #17a2b8;
    color: #0c5460;
}

.terms-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

/* Legal notice */
.legal-notice {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
    border-radius: 5px;
    font-size: 14px;
}

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

label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #424242;
}

input[type="text"], 
input[type="email"], 
select, 
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input[type="text"]:focus, 
input[type="email"]:focus, 
select:focus, 
textarea:focus {
    border-color: #1976d2;
    outline: none;
}

textarea {
    min-height: 100px;
    resize: vertical;
}

.required {
    color: #f44336;
    font-weight: bold;
}

/* Radio buttons styling */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.radio-option {
    display: block;
    position: relative;
    cursor: pointer;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 0;
    margin: 0;
    background: white;
    transition: all 0.3s ease;
}

.radio-option:hover {
    border-color: #1976d2;
    background: #f5f9ff;
}

.radio-option.selected {
    border-color: #1976d2;
    background: #e3f2fd;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.15);
}

.radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 20px;
    height: 20px;
    margin: 15px;
    cursor: pointer;
}

.option-content {
    padding: 20px 20px 20px 50px;
    position: relative;
}

.option-content::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    border: 2px solid #e0e0e0;
    border-radius: 50%;
    background: white;
    transition: all 0.3s ease;
}

.radio-option.selected .option-content::before,
.radio-option input[type="radio"]:checked + .option-content::before {
    border-color: #1976d2;
    background: #1976d2;
    box-shadow: inset 0 0 0 3px white;
}

.option-title {
    font-weight: bold;
    font-size: 16px;
    color: #424242;
    margin-bottom: 5px;
}

.option-description {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
}

/* Buttons */
.submit-btn {
    background: #1976d2;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
    margin-top: 20px;
}

.submit-btn:hover {
    background: #1565c0;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Navigation links */
.back-link {
    text-align: center;
    margin: 20px 0;
}

.back-link a {
    color: #1976d2;
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid #1976d2;
    border-radius: 4px;
    transition: all 0.3s;
    margin: 0 5px;
    display: inline-block;
}

.back-link a:hover {
    background-color: #1976d2;
    color: white;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    color: #666;
    font-size: 14px;
}

/* Links */
a {
    color: #1976d2;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        max-width: none;
        padding: 10px;
    }
    
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 20px;
    }
    
    .back-link a {
        display: block;
        margin: 5px 0;
    }
    
    .radio-group {
        gap: 10px;
    }
    
    .option-content {
        padding: 15px 15px 15px 45px;
    }
    
    .option-content::before {
        left: 15px;
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .info-block, .operator-info, .contact-info {
        padding: 15px;
    }
    
    input[type="text"], 
    input[type="email"], 
    textarea {
        padding: 10px;
        font-size: 14px;
    }
    
    .submit-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}