.tool-workspace {
    max-width: 700px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
}

.upload-area:hover, .upload-area.dragover {
    border-color: #0ea5e9;
    background: rgba(14, 165, 233, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: #0ea5e9;
    margin-bottom: 1rem;
}

.upload-area h3 {
    margin-bottom: 0.5rem;
}

.upload-area p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hidden-input {
    display: none;
}

.hidden {
    display: none !important;
}

.editor-area {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.preview-container {
    background: rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
}

.preview-container img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 4px;
    object-fit: contain;
}

.conversion-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    background: rgba(255,255,255,0.03);
    padding: 1.5rem;
    border-radius: 8px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
}

.form-group small {
    color: var(--text-muted);
}

.custom-select {
    width: 100%;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    font-size: 1.1rem;
    outline: none;
}

.custom-select:focus {
    border-color: #0ea5e9;
}

.custom-select option {
    background: #1e293b;
    color: #fff;
}

input[type="range"] {
    width: 100%;
    accent-color: #0ea5e9;
}

.mt-2 { margin-top: 1rem; }
.w-100 { width: 100%; padding: 1rem; font-size: 1.1rem; }