.tool-container {
    background: rgba(255,255,255,0.95);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    min-height: 500px;
}

.tool-wrapper {
    min-height: 400px;
}

.tool-loading {
    text-align: center;
    padding: 50px;
    color: var(--secondary);
}

.tool-input-area,
.tool-output-area {
    margin-bottom: 20px;
}

.tool-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.tool-textarea {
    width: 100%;
    min-height: 150px;
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    resize: vertical;
    outline: none;
    transition: border-color 0.3s;
}

.tool-textarea:focus {
    border-color: var(--primary);
}

.tool-select {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    outline: none;
    margin-right: 10px;
}

.tool-input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 25px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #218838;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-secondary {
    background: var(--secondary);
    color: #fff;
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.output-box {
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 15px;
    min-height: 150px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
    word-break: break-all;
    white-space: pre-wrap;
}

.copy-btn {
    margin-top: 10px;
}

.info-box {
    background: #e7f3ff;
    border: 1px solid #b8daff;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.error-box {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    color: #721c24;
}

.success-box {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: var(--radius);
    padding: 15px;
    margin-bottom: 20px;
    color: #155724;
}

.color-preview {
    display: inline-block;
    width: 100px;
    height: 60px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    vertical-align: middle;
    margin-left: 10px;
}

.result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.result-table th,
.result-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.result-table th {
    background: var(--light);
    font-weight: 600;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.slider-container input[type="range"] {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    background: var(--border);
    border-radius: 4px;
    outline: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

.slider-value {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .tool-container {
        padding: 15px;
    }
}