/* Стили для страницы входа */

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

.login-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    padding: 40px;
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    font-size: 16px;
    transition: border-color 0.3s;
    width: 100%;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    outline: none;
}

.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    font-weight: 600;
    width: 100%;
    margin-bottom: 20px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.register-link {
    text-align: center;
    font-size: 14px;
}

.register-link a {
    color: #667eea;
    text-decoration: none;
}

.register-link a:hover {
    text-decoration: underline;
}

.alert {
    border-radius: 8px;
    margin-bottom: 20px;
    padding: 15px;
    font-size: 14px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.step-2 {
    display: none;
}

.back-btn {
    background: #6c757d;
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-size: 16px;
    width: 100%;
    margin-bottom: 20px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: #5a6268;
    transform: translateY(-1px);
}

.form-text {
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-container {
    animation: fadeIn 0.5s ease-out;
}

/* Мобильная адаптация */
@media (max-width: 768px) {
    body {
        padding: 20px;
    }
    
    .login-container {
        padding: 30px 25px;
        margin: 0;
    }
    
    .login-header h2 {
        font-size: 1.5em;
    }
    
    .form-control {
        font-size: 16px; /* Предотвращает зум на iOS */
    }
    
    .btn-login, .back-btn {
        font-size: 16px;
        padding: 14px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    .login-container {
        padding: 25px 20px;
    }
    
    .login-header h2 {
        font-size: 1.3em;
    }
    
    .login-header p {
        font-size: 13px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .btn-login, .back-btn {
        padding: 12px;
        font-size: 14px;
    }
    
    .register-link {
        font-size: 13px;
    }
    
    .alert {
        padding: 12px;
        font-size: 13px;
    }
}

/* Стили для загрузки */
.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.1em;
}

/* Стили для маски телефона */
.form-control[readonly] {
    background-color: #f8f9fa;
    cursor: pointer;
}

.form-control[readonly]:focus {
    background-color: white;
}

/* Стили для валидации */
.form-control.is-invalid {
    border-color: #dc3545;
}

.form-control.is-valid {
    border-color: #28a745;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #dc3545;
}

.valid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875em;
    color: #28a745;
}