body {
    margin: 0;
    padding: 0;
    /* overflow: hidden; */
    height: 100%;
    font-family: 'Inter', sans-serif !important;
}

.navbar {
    margin-bottom: 0 !important;
    background: #2563eb !important;
    border: none !important;
    border-radius: 0 !important;
}

.navbar-brand {
    color: #fff !important;
    font-weight: 500 !important;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.drop-zone {
    border: 2px dashed var(--primary-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.drop-zone.dragover {
    background-color: rgba(26, 117, 255, 0.1);
}

.drop-zone p {
    margin: 0;
    color: #666;
}

.preview-image {
    max-width: 300px;
    margin-top: 1rem;
    border-radius: 4px;
    display: none;
    margin: 20px auto;
}

.upload-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-btn:hover {
    background-color: #0052cc;
}

.upload-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.draw-btn {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.c-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}