.modern-input-group {
    position: relative;
    display: flex;
    align-items: center;
}
.modern-input {
    padding-left: 40px;
}
.password-toggle {
    position: absolute;
    right: 16px;
    z-index: 2;
}

.sms-instruction-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 1px solid #dee2e6;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sms-instruction-card .card-header {
    background: linear-gradient(135deg, #ea6666 0%, #c41919 100%);
    color: white;
    border-bottom: none;
    padding: 15px 20px;
}

.sms-instruction-card .card-header h5 {
    margin: 0;
    font-weight: 600;
}

.sms-instruction-card .card-body {
    padding: 20px;
}

.sms-syntax {
    background: white;
    border: 2px dashed #ea6666;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    margin: 10px 0;
    font-family: 'Courier New', monospace;
    font-size: 16px;
    font-weight: bold;
}

.sms-keyword {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    padding: 4px 8px;
    border-radius: 6px;
}

.sms-arrow {
    color: #6c757d;
    margin: 0 10px;
    font-size: 18px;
}

.sms-number {
    color: #28a745;
    background: rgba(40, 167, 69, 0.1);
    padding: 4px 8px;
    border-radius: 6px;
}

.password-strength-bar {
    width: 100%;
    height: 4px;
    background-color: #e9ecef;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 5px;
}

.password-strength-fill {
    height: 100%;
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    #captcha-box {
        float: right;
    }
    .sms-syntax {
        padding: 10px;
    }
}