/* Frontend Container */
.esm-frontend-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
}

/* Header */
.esm-frontend-header {
    text-align: center;
    margin-bottom: 30px;
}

.esm-frontend-header h2 {
    font-size: 32px;
    margin: 0 0 10px 0;
    color: #333;
}

.esm-frontend-header p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

/* Upload Section */
.esm-frontend-upload {
    text-align: center;
    margin-bottom: 40px;
}

.esm-frontend-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.esm-frontend-upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.esm-frontend-upload-btn span:first-child {
    font-size: 24px;
}

/* Grid */
.esm-frontend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* Card */
.esm-frontend-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.esm-frontend-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.esm-frontend-image {
    width: 100%;
    height: 200px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.esm-frontend-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.esm-frontend-info {
    padding: 20px;
}

.esm-frontend-info h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.esm-frontend-url {
    background: #f0f4ff;
    color: #667eea;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-family: monospace;
    margin-bottom: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Actions */
.esm-frontend-actions {
    display: flex;
    gap: 10px;
}

.esm-frontend-copy-btn,
.esm-frontend-delete-btn {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s;
}

.esm-frontend-copy-btn {
    background: #667eea;
    color: white;
}

.esm-frontend-copy-btn:hover {
    background: #5568d3;
}

.esm-frontend-delete-btn {
    background: #ff4757;
    color: white;
}

.esm-frontend-delete-btn:hover {
    background: #ee5a6f;
}

/* Empty State */
.esm-frontend-empty {
    text-align: center;
    padding: 60px 20px;
    background: #f9f9f9;
    border-radius: 12px;
    border: 2px dashed #ddd;
}

.esm-frontend-empty p {
    font-size: 18px;
    color: #666;
    margin: 0;
}

/* Login Message */
.esm-frontend-login {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: 40px auto;
}

.esm-frontend-login h3 {
    font-size: 24px;
    margin: 0 0 10px 0;
    color: #333;
}

.esm-frontend-login p {
    font-size: 16px;
    color: #666;
    margin: 0 0 20px 0;
}

.esm-btn {
    display: inline-block;
    padding: 12px 30px;
    background: #667eea;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.2s;
}

.esm-btn:hover {
    background: #5568d3;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .esm-frontend-grid {
        grid-template-columns: 1fr;
    }
    
    .esm-frontend-container {
        padding: 15px;
    }
    
    .esm-frontend-header h2 {
        font-size: 24px;
    }
}