/* Default article style */
.article-list {
    display: flex;
    flex-direction: column;
    gap: var(--section-separation);

    article {
        display: flex;
        flex-direction: column;
        @include card-style;
        overflow: hidden;

        transition: box-shadow 0.3s ease;

        &:hover {
            box-shadow: var(--shadow-l2);
        }

        .article-image {
            img {
                width: 100%;
                height: var(--article-image-height);
                object-fit: cover;
            }
        }
    }
}

.article-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--card-padding);
    gap: var(--spacing-md);
}

.article-title {
    font-family: var(--article-font-family);
    font-weight: 600;
    margin: 0;
    color: var(--card-text-color-main);
    font-size: 2.2rem;

    @include respond(xl) {
        font-size: 2.4rem;
    }

    a {
        color: var(--card-text-color-main);

        &:hover {
            opacity: 0.8;
        }
    }
}

.article-subtitle {
    font-weight: normal;
    color: var(--card-text-color-secondary);
    line-height: 1.5;
    margin: 0;
    font-size: 1.75rem;
    @include respond(xl) {
        font-size: 2rem;
    }
}

.article-title-wrapper {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.article-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    font-size: 1.4rem;

    svg {
        vertical-align: middle;
        width: 20px;
        height: 20px;
        stroke-width: 1.33;
        flex-shrink: 0;
    }

    &,
    time,
    a,
    span {
        font-size: 1.4rem;
        color: var(--card-text-color-tertiary);
    }

    & > .inline-meta {
        display: inline-flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--spacing-md);
    }
}

.article-category,
.article-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;

    a {
        color: var(--accent-color-text);
        background-color: var(--accent-color);
        padding: 8px 16px;
        border-radius: var(--tag-border-radius);
        display: inline-block;
        font-size: 1.4rem;
        transition: background-color 0.5s ease;

        &:hover {
            color: var(--accent-color-text);
            background-color: var(--accent-color-darker);
        }
    }
}

/* Compact style article list */
.article-list--compact {
    @include card-style;
    --image-size: var(--article-compact-image-size);

    article {
        & > a {
            display: flex;
            align-items: center;
            padding: var(--small-card-padding);
            gap: var(--spacing-md);
        }

        &:not(:last-of-type) {
            border-bottom: 1.5px solid var(--card-separator-color);
        }

        .article-details {
            flex-grow: 1;
            padding: 0;
            min-height: var(--image-size);
            gap: var(--spacing-sm);
        }

        .article-title {
            margin: 0;
            font-size: 1.6rem;

            @include respond(md) {
                font-size: 1.8rem;
            }
        }

        .article-image {
            img {
                width: var(--image-size);
                height: var(--image-size);
                object-fit: cover;
            }
        }
        
        .article-preview {
            font-size: 1.4rem;
            color: var(--card-text-color-tertiary);
            line-height: 1.5;
        }
    }
}

/* Tile style article list */
.article-list--tile {
    article {
        position: relative;
        width: var(--article-tile-width);
        height: var(--article-tile-height);
        @include card-style;
        overflow: hidden;
        transition: box-shadow 0.3s ease;

        &:hover {
            box-shadow: var(--shadow-l2);
        }

        &.has-image {
            .article-details {
                background-color: var(--article-tile-overlay-bg);
            }

            .article-title {
                color: var(--article-tile-text-color);
            }
        }

        .article-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;

            img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
        }

        .article-details {
            border-radius: var(--card-border-radius);
            position: relative;
            height: 100%;
            width: 100%;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            z-index: 2;
            padding: 15px;

            @include respond(sm) {
                padding: 20px;
            }
        }

        .article-title {
            font-size: 2rem;
            font-weight: 500;
            color: var(--card-text-color-main);

            @include respond(sm) {
                font-size: 2.2rem;
            }
        }
    }
}

.mermaid:not([data-processed]) {
    background: var(--card-background);
    min-height: 150px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    font-size: 0 !important;
    line-height: 0;
    color: transparent;

    &::after {
        visibility: visible;
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 28px;
        height: 28px;
        margin: -14px 0 0 -14px;
        border: 3px solid var(--card-background);
        border-top-color: var(--accent-color, #3273dc);
        border-radius: 50%;
        animation: mermaid-spinner 0.8s linear infinite;
    }
}

@keyframes mermaid-spinner {
    to {
        transform: rotate(360deg);
    }
}

// Mermaid diagram wrapper with expand toolbar
.mermaid-wrapper {
    position: relative;
    margin: 1rem 0;

    .mermaid {
        display: flex;
        justify-content: center;

        svg {
            display: block;
            max-width: 100%;
            height: auto;
        }
    }
}

.mermaid-toolbar {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10;

    button {
        padding: 0.5rem 1rem;
        background: var(--mermaid-toolbar-btn-bg);
        border: 2px solid var(--mermaid-toolbar-btn-text);
        border-radius: 6px;
        cursor: pointer;
        font-size: 1rem;
        font-weight: 600;
        color: var(--mermaid-toolbar-btn-text);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        transition: all 0.2s;

        &:hover {
            background: var(--mermaid-toolbar-btn-text);
            color: var(--card-background);
            transform: scale(1.05);
        }
    }
}

// Mermaid fullscreen modal
.mermaid-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--mermaid-modal-bg);
    z-index: 9999;

    &.active {
        display: flex;
        flex-direction: column;
    }
}

.mermaid-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
}

.mermaid-modal-controls {
    display: flex;
    gap: 0.5rem;
}

.mermaid-modal-controls button,
.mermaid-modal-close {
    padding: 0.5rem 1rem;
    background: var(--mermaid-modal-btn-bg);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--card-text-color-main);

    &:hover {
        background: var(--mermaid-modal-btn-hover);
    }
}

.mermaid-modal-body {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.mermaid-modal-content {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    background: var(--mermaid-modal-content-bg);
}

.mermaid-panzoom-container {
    display: inline-block;
    transform-origin: 0 0;
    visibility: hidden;

    &.ready {
        visibility: visible;
    }

    svg {
        display: block;
    }
}

// Off-screen container for pre-rendering alternate theme
.mermaid-offscreen {
    position: absolute;
    left: -9999px;
    visibility: hidden;
    width: 800px;
}