.converter-container {
    max-width: 800px;
    margin: 0 auto;
    background: #fbbc0524;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 15px #ddd;
    border: 1px solid #ffcd57;
}

.converter-header {
    text-align: center;
    margin-bottom: 25px;
}

.converter-header h2 {
    color: #01629f;
    margin-bottom: 5px;
}

.converter-header .subtitle {
    margin-top: 0;
}

.controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.control-group {
    flex: 1;
    min-width: 200px;
}

.converter-container label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.converter-container select, 
.converter-container input[type="text"], 
.converter-container input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
}

.checkbox-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

#textInput {
    width: 100%;
    min-height: 300px;
    padding: 15px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 16px;
    line-height: 1.5;
    resize: vertical;
    margin-bottom: 15px;
}

#textInput:focus {
    outline: none;
    border-color: #4a6fa5;
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

.action-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

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

.converter-container button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.converter-container button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
    padding: 10px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 600px) {
    .controls-row {
        flex-direction: column;
    }
    
    .control-group {
        min-width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .converter-container button {
        width: 100%;
        justify-content: center;
    }
}