/*
Placeholder and No-Content State Styles
*/

/* Beautiful Placeholder Styles */
.no-content-placeholder .placeholder-image {
    height: 361px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 8px;
    border: 2px dashed #dee2e6;
    position: relative;
    overflow: hidden;
}

.no-content-placeholder .placeholder-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(26, 147, 111, 0.05) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.placeholder-icon {
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.placeholder-image h3 {
    font-size: 24px;
    font-weight: 600;
    color: #495057;
    margin-bottom: 10px;
    font-family: 'Roboto', sans-serif;
}

.placeholder-image p {
    font-size: 16px;
    color: #6c757d;
    margin: 0;
    max-width: 300px;
    line-height: 1.5;
}

/* Placeholder Mini Cards */
.placeholder-card .placeholder-mini {
    height: 140px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #dee2e6;
    position: relative;
    overflow: hidden;
}

.placeholder-card .placeholder-mini::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(26, 147, 111, 0.1) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.placeholder-mini-content {
    position: relative;
    z-index: 1;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.placeholder-card:hover .placeholder-mini-content {
    opacity: 1;
}

/* No Content State */
.no-content-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border: 2px dashed #dee2e6;
    position: relative;
    overflow: hidden;
}

.no-content-state::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(26, 147, 111, 0.03) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.no-content-icon {
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.no-content-state h3 {
    font-size: 28px;
    font-weight: 600;
    color: #495057;
    margin-bottom: 15px;
    font-family: 'Roboto', sans-serif;
    position: relative;
    z-index: 1;
}

.no-content-state p {
    font-size: 18px;
    color: #6c757d;
    margin-bottom: 30px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #1a936f 0%, #16a085 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(26, 147, 111, 0.3);
}

.cta-button:hover {
    background: linear-gradient(135deg, #16a085 0%, #1a936f 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 147, 111, 0.4);
    color: white;
}

.cta-button svg {
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: scale(1.1);
}

/* Enhanced Category Colors for Placeholders */
.sidebar-category-label[data-category="TIP"] {
    background: #3498db;
}

.sidebar-category-label[data-category="GUIDE"] {
    background: #e74c3c;
}

.sidebar-category-label[data-category="STRATEGY"] {
    background: #f39c12;
}

.sidebar-category-label[data-category="GROWTH"] {
    background: #9b59b6;
}

.sidebar-category-label[data-category="GETTING STARTED"] {
    background: #1a936f;
}