/* Alpha Build Plugin Styles - Large Letter Interface */

.alpha-build-container {
    margin: 20px 0;
    font-family: inherit;
    position: relative;
}

/* Large Letter Navigation */
.alpha-build-nav-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.alpha-build-nav-item {
    position: relative;
    margin: 0;
}

.alpha-build-nav-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 15px 20px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    font-size: 24px;
    color: white;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.alpha-build-nav-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.alpha-build-nav-button.active {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
    transform: translateY(-2px);
}

.alpha-build-count {
    font-size: 12px;
    opacity: 0.9;
    font-weight: 600;
    margin-left: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 2px 6px;
    border-radius: 8px;
    min-width: 20px;
    text-align: center;
}

/* Posts Display Area */
.alpha-build-posts {
    display: block;
    margin-top: 30px;
}

.alpha-build-all-posts,
.alpha-build-group {
    display: block;
}

.alpha-build-group.hidden {
    display: none;
}

.alpha-build-group-section {
    margin-bottom: 40px;
    padding: 25px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #667eea;
}

.alpha-build-group-section:last-child {
    margin-bottom: 0;
}

.alpha-build-section-title,
.alpha-build-group-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 25px 0;
    color: #333;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.alpha-build-section-title:after,
.alpha-build-group-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.alpha-build-post-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.alpha-build-post-item {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.alpha-build-post-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.alpha-build-post-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: #667eea;
}

.alpha-build-post-item:hover:before {
    transform: scaleY(1);
}

.alpha-build-post-item a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.5;
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.alpha-build-post-item a:hover {
    color: #667eea;
}

.alpha-build-no-posts {
    padding: 50px 30px;
    text-align: center;
    color: #666;
    font-style: italic;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f2ff 100%);
    border: 2px dashed #d0d7ff;
    border-radius: 12px;
    font-size: 18px;
    margin: 30px 0;
}

/* Additional styling for various elements */
.alpha-build-post-item .alpha-build-date {
    color: #888;
    font-size: 13px;
    margin-top: 8px;
    display: block;
    font-weight: 500;
}

.alpha-build-post-item .alpha-build-author {
    color: #888;
    font-size: 13px;
    margin-top: 5px;
    display: block;
    font-weight: 500;
}

.alpha-build-post-item .alpha-build-excerpt {
    margin-top: 15px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    font-weight: 400;
}

.alpha-build-post-item .alpha-build-thumbnail {
    float: left;
    margin-right: 15px;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.alpha-build-post-item .alpha-build-thumbnail img {
    border-radius: 8px;
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
    display: block;
}

.alpha-build-post-item:hover .alpha-build-thumbnail img {
    transform: scale(1.05);
}

/* Clear floats */
.alpha-build-post-item::after {
    content: "";
    display: table;
    clear: both;
}

/* Loading state */
.alpha-build-container.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.alpha-build-container.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    border-radius: 12px;
}

.alpha-build-container.loading::before {
    content: "Loading...";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    font-weight: 600;
    z-index: 10000;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .alpha-build-nav-bar {
        gap: 10px;
        padding: 15px;
    }
    
    .alpha-build-nav-button {
        padding: 12px 20px;
        font-size: 20px;
        min-width: 50px;
        min-height: 50px;
    }
    
    .alpha-build-count {
        font-size: 11px;
        margin-left: 6px;
        padding: 1px 4px;
    }
    
    .alpha-build-post-list {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .alpha-build-post-item {
        padding: 15px;
    }
    
    .alpha-build-section-title,
    .alpha-build-group-title {
        font-size: 22px;
        margin-bottom: 20px;
    }
    
    .alpha-build-group-section {
        padding: 20px;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .alpha-build-nav-bar {
        gap: 8px;
        padding: 12px;
    }
    
    .alpha-build-nav-button {
        padding: 10px 14px;
        font-size: 18px;
        min-width: 45px;
        min-height: 45px;
    }
    
    .alpha-build-count {
        font-size: 10px;
        margin-left: 4px;
    }
    
    .alpha-build-section-title,
    .alpha-build-group-title {
        font-size: 20px;
    }
    
    .alpha-build-group-section {
        padding: 15px;
        margin-bottom: 25px;
    }
    
    .alpha-build-post-item {
        padding: 12px;
    }
    
    .alpha-build-no-posts {
        padding: 30px 20px;
        font-size: 20px;
    }
}

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

.alpha-build-group-section,
.alpha-build-group {
    animation: fadeInUp 0.5s ease-out;
}

/* Focus states for accessibility */
.alpha-build-nav-button:focus {
    outline: 3px solid rgba(102, 126, 234, 0.5);
    outline-offset: 2px;
}

.alpha-build-post-item a:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
    border-radius: 4px;
}