:root {
    --jpc-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --jpc-primary-hover: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
    --jpc-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --jpc-success-hover: linear-gradient(135deg, #059669 0%, #047857 100%);
    --jpc-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --jpc-danger-hover: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    --jpc-bg-light: #f8fafc;
    --jpc-border-color: #e2e8f0;
    --jpc-text-dark: #1e293b;
    --jpc-text-muted: #64748b;
    --jpc-radius: 12px;
    --jpc-transition: all 0.3s ease;
}

/* Wrapper and Main Container Setup */
.jpc-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: var(--jpc-text-dark);
    margin: 20px 0;
    width: 100%;
}

.jpc-container {
    background: #ffffff;
    border: 1px solid var(--jpc-border-color);
    border-radius: calc(var(--jpc-radius) * 1.5);
    padding: 30px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

/* Header Area styling */
.jpc-header {
    text-align: center;
    margin-bottom: 30px;
}
.jpc-header h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 10px 0;
    background: var(--jpc-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.jpc-header p {
    color: var(--jpc-text-muted);
    font-size: 15px;
    margin: 0;
}

/* Professional Drag & Drop Upload Zone Card */
.jpc-dropzone-card {
    border: 2px dashed #a5b4fc;
    background: var(--jpc-bg-light);
    border-radius: var(--jpc-radius);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--jpc-transition);
}
.jpc-dropzone-card:hover, .jpc-dropzone-card.jpc-dragover {
    border-color: #4f46e5;
    background: #f0f3ff;
    transform: translateY(-2px);
}
.jpc-icon-cloud {
    font-size: 48px;
    color: #4f46e5;
    margin-bottom: 15px;
    animation: jpc-pulse 2s infinite;
}
.jpc-dropzone-inner h3 {
    font-size: 18px;
    margin: 0 0 5px 0;
    color: var(--jpc-text-dark);
}
.jpc-dropzone-inner p {
    color: var(--jpc-text-muted);
    margin: 0 0 10px 0;
}
.jpc-dropzone-inner p span {
    color: #4f46e5;
    font-weight: 600;
    text-decoration: underline;
}
.jpc-dropzone-inner small {
    display: block;
    color: #94a3b8;
}

/* Action Workspace Controls */
.jpc-global-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
    background: var(--jpc-bg-light);
    padding: 15px;
    border-radius: var(--jpc-radius);
}

/* Utility buttons configurations */
.jpc-btn {
    border: none;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--jpc-transition);
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}
.jpc-btn-primary { background: var(--jpc-primary); }
.jpc-btn-primary:hover { background: var(--jpc-primary-hover); }
.jpc-btn-success { background: var(--jpc-success); }
.jpc-btn-success:hover { background: var(--jpc-success-hover); }
.jpc-btn-danger { background: var(--jpc-danger); }
.jpc-btn-danger:hover { background: var(--jpc-danger-hover); }
.jpc-btn-sm { padding: 8px 14px; font-size: 12px; border-radius: 6px; }

/* System Alert Boxes */
.jpc-alert-box {
    background: #fef2f2;
    border-left: 4px solid #ef4444;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: 6px;
    margin-top: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Card Queue Design System */
.jpc-queue-container {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 25px;
}
.jpc-queue-item {
    background: #ffffff;
    border: 1px solid var(--jpc-border-color);
    border-radius: var(--jpc-radius);
    padding: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

/* Component Split Comparison Area Layout */
.jpc-preview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
@media (max-width: 768px) {
    .jpc-preview-grid { grid-template-columns: 1fr; }
}

.jpc-preview-card {
    background: var(--jpc-bg-light);
    border: 1px solid var(--jpc-border-color);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.jpc-preview-card h4 {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: var(--jpc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.jpc-img-frame {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image: linear-gradient(45deg, #e2e8f0 25%, transparent 25%), linear-gradient(-45deg, #e2e8f0 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e2e8f0 75%), linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
    border-radius: 6px;
    border: 1px solid var(--jpc-border-color);
}
.jpc-img-frame img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* Information Badging Metrics Display matrix */
.jpc-meta-details {
    margin-top: 12px;
    width: 100%;
    font-size: 13px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-top: 1px solid var(--jpc-border-color);
    padding-top: 8px;
}
.jpc-meta-row {
    display: flex;
    justify-content: space-between;
}
.jpc-meta-row span:first-child { color: var(--jpc-text-muted); }
.jpc-meta-row span:last-child { font-weight: 600; color: var(--jpc-text-dark); }

/* Item Layout Status Control Footers */
.jpc-item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--jpc-border-color);
    padding-top: 15px;
    flex-wrap: wrap;
    gap: 15px;
}
.jpc-file-title {
    font-weight: 600;
    font-size: 14px;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.jpc-item-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Inline Loading Spinner Elements */
.jpc-spinner-container {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4f46e5;
    font-weight: 500;
    font-size: 13px;
}
.jpc-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
    border-top-color: #4f46e5;
    animation: jpc-spin 0.8s linear infinite;
}

/* History logging view section styling rules */
.jpc-history-panel {
    margin-top: 40px;
    border-top: 2px dashed var(--jpc-border-color);
    padding-top: 25px;
}
.jpc-history-panel h3 {
    font-size: 16px;
    margin: 0 0 15px 0;
    color: var(--jpc-text-dark);
}
.jpc-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.jpc-history-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--jpc-bg-light);
    padding: 10px 15px;
    border-radius: 6px;
    font-size: 13px;
    border: 1px solid var(--jpc-border-color);
}
.jpc-history-info {
    display: flex;
    align-items: center;
    gap: 10px;
}
.jpc-history-info i { color: #10b981; }

/* Micro Animation definitions rulesets */
@keyframes jpc-spin {
    to { transform: rotate(360deg); }
}
@keyframes jpc-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

/* Helpers Classes */
.jpc-hidden { display: none !important; }

/* Seamless Integration with Theme Light/Dark Modes natively */
@media (prefers-color-scheme: dark) {
    .jpc-container-darkmode-override {
        background: #1e293b;
        color: #f1f5f9;
    }
}