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

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

.container {
    width: 100%;
    max-width: 400px;
}

.form-wrapper {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    color: #333;
    margin-bottom: 30px;
    font-size: 24px;
    font-weight: 600;
}

.phone-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
    font-size: 14px;
}

input[type="tel"] {
    width: 100%;
    padding: 15px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
    min-height: 48px; /* Минимальная высота для touch */
    -webkit-appearance: none; /* Убирает стили iOS */
    -webkit-tap-highlight-color: transparent;
}

input[type="tel"]:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input[type="tel"].valid {
    border-color: #4CAF50;
}

input[type="tel"].invalid {
    border-color: #f44336;
}

.submit-btn {
    padding: 15px 30px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    min-height: 48px; /* Минимальная высота для touch */
    touch-action: manipulation; /* Предотвращает двойной тап */
    -webkit-tap-highlight-color: transparent; /* Убирает подсветку на iOS */
}

.submit-btn:hover:not(:disabled) {
    background: #5a6fd8;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

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

.back-btn {
    padding: 15px 30px;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: 10px;
    min-height: 48px; /* Минимальная высота для touch */
    touch-action: manipulation; /* Предотвращает двойной тап */
    -webkit-tap-highlight-color: transparent; /* Убирает подсветку на iOS */
}

.back-btn:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.3);
}

.verify-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.verify-form .form-group {
    text-align: center;
}

.verify-form input[type="text"] {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 8px;
    padding: 20px;
    border: 2px solid #e1e5e9;
    border-radius: 15px;
    transition: all 0.3s ease;
    outline: none;
    width: 200px;
    margin: 0 auto;
    min-height: 60px; /* Минимальная высота для touch */
    -webkit-appearance: none; /* Убирает стили iOS */
    -webkit-tap-highlight-color: transparent;
}

.verify-form input[type="text"]:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.verify-form input[type="text"].valid {
    border-color: #4CAF50;
}

.verify-form input[type="text"].invalid {
    border-color: #f44336;
}

.verify-form .form-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.verify-form .form-group label {
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
}

.verify-form .submit-btn,
.verify-form .back-btn {
    display: inline-block;
    margin: 0 5px;
}

/* Telegram Bot Info Styles */
.telegram-info {
    background: linear-gradient(135deg, #0088cc 0%, #00a8ff 100%);
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 136, 204, 0.2);
}

.telegram-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.telegram-info h3 {
    margin: 0 0 10px 0;
    font-size: 20px;
    font-weight: 600;
}

.telegram-info p {
    margin: 0 0 20px 0;
    opacity: 0.9;
    font-size: 14px;
}

.telegram-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 20px;
}

.telegram-link:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: white;
    text-decoration: none;
}

.telegram-icon-small {
    font-size: 18px;
}

.telegram-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.step {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 14px;
}

.step-number {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 12px;
    flex-shrink: 0;
}

.step-text {
    flex: 1;
}

/* Адаптивность для Telegram блока */
@media (max-width: 480px) {
    .telegram-info {
        padding: 20px 15px;
    }
    
    .telegram-icon {
        font-size: 40px;
    }
    
    .telegram-info h3 {
        font-size: 18px;
    }
    
    .telegram-link {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .telegram-steps {
        gap: 10px;
    }
    
    .step {
        padding: 8px 12px;
        font-size: 13px;
    }
}

.error-message {
    color: #f44336;
    font-size: 12px;
    margin-top: 5px;
    min-height: 16px;
}

.result-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    font-weight: 500;
    display: none;
}

.result-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.result-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .submit-btn {
    background: #999;
}

/* Анимация загрузки */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading .submit-btn::after {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
    margin-left: 10px;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    
    .container {
        max-width: 100%;
    }
    
    .form-wrapper {
        padding: 25px 20px;
        border-radius: 15px;
        margin: 10px 0;
    }
    
    h1 {
        font-size: 22px;
        margin-bottom: 25px;
    }
    
    input[type="tel"] {
        padding: 14px;
        font-size: 16px; /* Предотвращает зум на iOS */
        border-radius: 8px;
    }
    
    .submit-btn, .back-btn {
        padding: 14px 25px;
        font-size: 15px;
        border-radius: 8px;
    }
    
    .verify-form input[type="text"] {
        width: 180px;
        font-size: 20px;
        letter-spacing: 6px;
        padding: 18px;
    }
    
    .verify-form .submit-btn,
    .verify-form .back-btn {
        margin: 5px;
        width: auto;
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .form-wrapper {
        padding: 20px 15px;
        border-radius: 12px;
    }
    
    h1 {
        font-size: 18px;
        margin-bottom: 20px;
        line-height: 1.3;
    }
    
    input[type="tel"] {
        padding: 12px;
        font-size: 16px;
        border-radius: 6px;
    }
    
    .submit-btn, .back-btn {
        padding: 12px 20px;
        font-size: 14px;
        border-radius: 6px;
        width: 100%;
        margin: 5px 0;
    }
    
    .verify-form input[type="text"] {
        width: 160px;
        font-size: 18px;
        letter-spacing: 4px;
        padding: 16px;
        border-radius: 8px;
    }
    
    .verify-form .submit-btn,
    .verify-form .back-btn {
        width: 100%;
        margin: 5px 0;
        display: block;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    label {
        font-size: 13px;
        margin-bottom: 6px;
    }
    
    .error-message {
        font-size: 11px;
        margin-top: 3px;
    }
}

/* Адаптивность для очень маленьких экранов */
@media (max-width: 360px) {
    .form-wrapper {
        padding: 15px 10px;
    }
    
    h1 {
        font-size: 16px;
    }
    
    input[type="tel"] {
        padding: 10px;
        font-size: 14px;
    }
    
    .submit-btn, .back-btn {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .verify-form input[type="text"] {
        width: 140px;
        font-size: 16px;
        letter-spacing: 3px;
        padding: 14px;
    }
}

/* Горизонтальная ориентация на мобильных */
@media (max-width: 768px) and (orientation: landscape) {
    body {
        padding: 10px;
    }
    
    .form-wrapper {
        padding: 20px;
        max-width: 500px;
        margin: 0 auto;
    }
    
    h1 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .telegram-info {
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .telegram-steps {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .step {
        flex: 1;
        min-width: 120px;
        padding: 8px 10px;
        font-size: 12px;
    }
}