/* Tool Container */
.tool-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Tool Header */
.tool-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #6366f1 0%, #818cf8 100%);
    border-radius: 20px;
    color: white;
}

.tool-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

/* Converter Box */
.converter-box {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* File Type Selector */
.file-type-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.type-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.3s ease;
}

.type-btn.active {
    background: #6366f1;
    border-color: #6366f1;
    color: white;
}

/* Upload Area */
.upload-area {
    border: 3px dashed #e5e7eb;
    border-radius: 15px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background: #f8fafc;
    cursor: pointer;
    margin-bottom: 2rem;
}

.upload-area.drag-over {
    border-color: #6366f1;
    background: #eef2ff;
}

.upload-area i {
    font-size: 3.5rem;
    color: #6366f1;
    margin-bottom: 1.5rem;
}

.upload-btn {
    background: #6366f1;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Conversion Options */
.option-group {
    margin-bottom: 1.5rem;
}

.option-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #4b5563;
    font-weight: 500;
}

.option-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background: white;
}

/* File Preview */
.file-preview {
    margin: 2rem 0;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    text-align: center;
}

.preview-content i {
    font-size: 3rem;
    color: #6366f1;
}

.preview-info {
    margin-top: 1rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.convert-btn,
.download-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.convert-btn {
    background: #6366f1;
    color: white;
}

.download-btn {
    background: #10b981;
    color: white;
}

.convert-btn:disabled,
.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Formats Info */
.formats-info {
    margin-top: 3rem;
    text-align: center;
}

.formats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.format-group {
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-container {
        padding: 1rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .convert-btn,
    .download-btn {
        width: 100%;
    }
}