/* ===================================
   Import/Export Tab - Premium UI
   =================================== */

/* Wrapper */
.cbedu-settings-header .notice.notice-success.is-dismissible {
    color:#1f2937;
}
.cbedu-import-export-wrapper {
    max-width: 1400px;
    margin: 20px auto 0;
    padding: 0;
}

/* Hero Section */
.cbedu-ie-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 40px 50px;
    margin-bottom: 30px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
    position: relative;
    overflow: hidden;
}

.cbedu-ie-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.cbedu-ie-hero-content {
    position: relative;
    z-index: 1;
}

.cbedu-ie-hero-title {
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 12px 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.cbedu-ie-hero-subtitle {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    font-weight: 400;
}

/* Grid Layout */
.cbedu-ie-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

/* Separator */
.cbedu-ie-separator {
    margin: 50px 0;
    position: relative;
}

.cbedu-ie-separator-line {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, #e5e7eb 20%, #e5e7eb 80%, transparent 100%);
    position: relative;
}

.cbedu-ie-separator-line::before {
    content: '⬥';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: #ffffff;
    padding: 0 20px;
    color: #667eea;
    font-size: 20px;
}


/* Cards */
.cbedu-ie-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.cbedu-ie-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cbedu-ie-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.cbedu-ie-card:hover::before {
    opacity: 1;
}

/* Card Icons */
.cbedu-ie-card-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.cbedu-ie-card-export .cbedu-ie-card-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.cbedu-ie-card-import .cbedu-ie-card-icon {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #ffffff;
}

.cbedu-ie-card:hover .cbedu-ie-card-icon {
    transform: scale(1.05) rotate(5deg);
}

/* Card Header */
.cbedu-ie-card-header {
    margin-bottom: 24px;
}

.cbedu-ie-card-title {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 8px 0;
}

.cbedu-ie-card-description {
    font-size: 14px;
    color: #6b7280;
    margin: 0;
    line-height: 1.6;
}

/* Card Body */
.cbedu-ie-card-body {
    margin-top: 24px;
}

/* Features List */
.cbedu-ie-features {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.cbedu-ie-feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f9fafb;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.cbedu-ie-feature-item:hover {
    background: #f3f4f6;
    transform: translateX(4px);
}

.cbedu-ie-feature-icon {
    flex-shrink: 0;
    color: #667eea;
}

.cbedu-ie-feature-item span {
    font-size: 14px;
    color: #374151;
    font-weight: 500;
}

/* Upload Area */
.cbedu-ie-upload-area {
    margin-bottom: 24px;
    position: relative;
}

.cbedu-ie-file-input {
    position: absolute;
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    z-index: -1;
}

.cbedu-ie-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    border: 2px dashed #d1d5db;
    border-radius: 12px;
    background: #f9fafb;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.cbedu-ie-upload-label:hover {
    border-color: #f5576c;
    background: #fef2f2;
}

.cbedu-ie-upload-label.cbedu-ie-drag-active {
    border-color: #f5576c;
    background: #fef2f2;
    border-style: solid;
    transform: scale(1.02);
}

.cbedu-ie-upload-label.cbedu-ie-file-selected {
    border-color: #10b981;
    background: #ecfdf5;
}

.cbedu-ie-upload-label.cbedu-ie-file-selected .cbedu-ie-upload-text {
    color: #059669;
}

.cbedu-ie-upload-label svg {
    color: #9ca3af;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.cbedu-ie-upload-label:hover svg {
    color: #f5576c;
    transform: translateY(-4px);
}

.cbedu-ie-upload-text {
    font-size: 15px;
    font-weight: 600;
    color: #374151;
    display: block;
    margin-bottom: 6px;
}

.cbedu-ie-upload-hint {
    font-size: 13px;
    color: #6b7280;
    display: block;
}

.cbedu-ie-file-input:focus + .cbedu-ie-upload-label {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Info Box */
.cbedu-ie-info-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 24px;
    border: 1px solid #fbbf24;
}

.cbedu-ie-info-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: #92400e;
}

.cbedu-ie-info-header svg {
    flex-shrink: 0;
}

.cbedu-ie-info-header strong {
    font-size: 15px;
    font-weight: 700;
}

.cbedu-ie-info-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.cbedu-ie-info-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #78350f;
    line-height: 1.6;
}

.cbedu-ie-info-list li:last-child {
    margin-bottom: 0;
}

.cbedu-ie-info-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #f59e0b;
    font-weight: bold;
}

.cbedu-ie-info-list code {
    background: rgba(255, 255, 255, 0.6);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: #92400e;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

/* Buttons */
.cbedu-ie-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cbedu-ie-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.cbedu-ie-btn:active {
    transform: translateY(0);
}

.cbedu-ie-btn svg {
    flex-shrink: 0;
}

.cbedu-ie-btn-export {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
}

.cbedu-ie-btn-export:hover {
    background: linear-gradient(135deg, #5568d3 0%, #63408a 100%);
    color: #ffffff;
}

.cbedu-ie-btn-import {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #ffffff;
}

.cbedu-ie-btn-import:hover {
    background: linear-gradient(135deg, #e082ea 0%, #e0465a 100%);
    color: #ffffff;
}

/* Help Section */
.cbedu-ie-help {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border-radius: 12px;
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid #7dd3fc;
}

.cbedu-ie-help-icon {
    width: 48px;
    height: 48px;
    background: #0ea5e9;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #ffffff;
}

.cbedu-ie-help-content h4 {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 700;
    color: #0c4a6e;
}

.cbedu-ie-help-content p {
    margin: 0;
    font-size: 14px;
    color: #075985;
    line-height: 1.6;
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .cbedu-ie-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 782px) {
    .cbedu-ie-hero {
        padding: 30px 24px;
    }
    
    .cbedu-ie-hero-title {
        font-size: 24px;
    }
    
    .cbedu-ie-hero-subtitle {
        font-size: 14px;
    }
    
    .cbedu-ie-card {
        padding: 24px;
    }
    
    .cbedu-ie-card-title {
        font-size: 20px;
    }
    
    .cbedu-ie-help {
        flex-direction: column;
        text-align: center;
    }
}

@media screen and (max-width: 600px) {
    .cbedu-import-export-wrapper {
        margin: 10px 0 0;
    }
    
    .cbedu-ie-hero {
        border-radius: 12px;
        padding: 24px 20px;
    }
    
    .cbedu-ie-card {
        border-radius: 12px;
        padding: 20px;
    }
    
    .cbedu-ie-card-icon {
        width: 60px;
        height: 60px;
    }
    
    .cbedu-ie-btn {
        padding: 12px 20px;
        font-size: 14px;
    }
}

/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cbedu-ie-card {
    animation: fadeInUp 0.6s ease-out;
}

.cbedu-ie-card:nth-child(2) {
    animation-delay: 0.1s;
}

/* Remove old styles */
.cbedu-import-export-container {
    display: none;
}