@layer foundation, layout, component, project;

@view-transition {
    navigation: auto;
}

@layer foundation {
    :root {
        --color-bg: #121212;
        --color-bg-elevated: #0e0e0e;
        --color-surface: #1e1e1e;
        --color-text: #e0e0e0;
        --color-text-strong: #ffffff;
        --color-text-muted: #888888;
        --color-accent: #FFD5C4;
        --color-border: #333333;
        --font-size-xs: 0.75rem;
        --font-size-sm: 0.875rem;
        --font-size-base: 1rem;
        --font-size-lg: 1.125rem;
        --font-size-xl: 1.25rem;
        --font-size-2xl: 1.5rem;
        --font-size-4xl: 2.25rem;
        --max-width: 960px;

        color-scheme: dark;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        font-size: 16px;
        background-color: var(--color-bg);
        scrollbar-gutter: stable;
        overflow-x: hidden;
    }

    body {
        font-family: sans-serif;
        font-size: var(--font-size-base);
        line-height: 1.7;
        overflow-wrap: anywhere;
        word-break: normal;
        line-break: strict;
        font-kerning: none;
        color: var(--color-text);
        margin: 0;
        padding: 0;
        min-width: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        color: var(--color-accent);
        line-height: 1.25;
        font-kerning: normal;
        font-feature-settings: "palt";
        word-break: auto-phrase;
        text-wrap: pretty;
        margin-top: 0;
        margin-bottom: 0.5rem;
    }

    h1 {
        color: var(--color-text-strong);
        font-size: var(--font-size-4xl);
        margin-bottom: 2rem;
    }

    h2 {
        font-size: var(--font-size-2xl);
    }

    h3 {
        font-size: var(--font-size-xl);
    }

    h4 {
        font-size: var(--font-size-lg);
    }

    h5 {
        font-size: var(--font-size-base);
    }

    h6 {
        font-size: var(--font-size-sm);
    }

    a {
        color: var(--color-text-strong);
        text-decoration: underline;
        transition: opacity 0.2s ease;

        &:hover,
        &:active {
            opacity: 0.8;
        }
    }

    p {
        margin: 1rem 0;
    }

    code {
        color: var(--color-accent);
        background-color: var(--color-surface);
        padding: 0.2em 0.4em;
        border-radius: 3px;
        font-size: 0.9em;
    }

    pre {
        background-color: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 4px;
        padding: 1rem;
        overflow-x: auto;
    }

    pre code {
        background: none;
        padding: 0;
        color: inherit;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 1rem 0;
    }

    th,
    td {
        padding: 0.75rem;
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }

    th {
        color: var(--color-text-strong);
        font-weight: bold;
    }

    ::view-transition-group(root) {
        background-color: var(--color-bg);
    }
}

@layer layout {
    .site {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        width: 100%;
    }

    .site-header {
        background-color: var(--color-bg-elevated);
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 0;
        width: 100%;
    }

    .header-content {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
    }

    .site-title {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: var(--font-size-xl);
        font-weight: bold;
        color: var(--color-text-strong);
        text-decoration: none;
        letter-spacing: -0.05em;

        &:hover,
        &:active {
            color: var(--color-accent);
        }
    }

    .site-icon {
        width: 1.5rem;
        height: 1.5rem;
    }

    .site-nav {
        display: flex;
        gap: 1.5rem;
    }

    .site-nav a {
        color: var(--color-text-muted);
        text-decoration: none;
        font-size: var(--font-size-base);

        &:hover,
        &:active {
            color: var(--color-accent);
        }
    }

    .site-main {
        flex: 1;
        max-width: var(--max-width);
        width: 100%;
        margin: 0 auto;
        padding: 3rem 1.5rem;
        min-width: 0;
    }

    .site-footer {
        background-color: var(--color-bg-elevated);
        border-top: 1px solid var(--color-border);
        padding: 2rem 0;
        width: 100%;
    }

    .footer-content {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 1.5rem;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: 1.5rem;
        text-align: center;
        text-wrap: balance;
        width: 100%;
    }

    .footer-content a {
        color: var(--color-text-muted);
        text-decoration: none;
        font-size: var(--font-size-sm);

        &:hover,
        &:active {
            color: var(--color-accent);
        }
    }

    .footer-content small {
        font-size: var(--font-size-sm);
        color: var(--color-text-muted);
    }


    @media (max-width: 640px) {
        .header-content {
            flex-direction: column;
            gap: 1rem;
        }

        .site-nav {
            gap: 1rem;
        }

        .site-main {
            padding: 2rem 1rem;
        }

        .footer-content {
            gap: 1rem;
        }
    }
}

@layer component {
    .cards {
        display: flex;
        flex-direction: column;
    }

    .card {
        background: var(--color-surface);
        margin-bottom: 1rem;
        border: 1px solid var(--color-border);
        border-radius: 1rem;

        &:hover,
        &:active {
            box-shadow: 0 0 10px rgba(250, 250, 250, 0.2);
        }
    }

    .card-link {
        display: block;
        padding: 0.75rem 1rem;
        text-decoration: none;

        &:hover,
        &:active {
            opacity: 1;
        }
    }

    .card-title {
        font-size: var(--font-size-lg);
        color: var(--color-text-strong);
        word-break: normal;
        text-wrap: wrap;
        margin: 0 0 0.25rem 0;
    }

    .post-metadata {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.25rem 0.75rem;
        font-size: var(--font-size-sm);
        color: var(--color-text-muted);
        max-width: 100%;
    }

    .post-metadata-item {
        white-space: nowrap;
    }

    .tags {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .tag {
        background-color: var(--color-surface);
        padding: 0.25rem 0.5rem;
        border-radius: 0.25rem;
        transition: opacity 0.2s ease;
        border: 1px solid var(--color-border);
        z-index: 1;

        &:hover,
        &:active {
            opacity: 0.8;
        }

        a {
            font-size: var(--font-size-sm);
            color: var(--color-accent);
            text-decoration: none;
        }
    }

    .tag.highlighted {
        font-weight: bold;
        box-shadow: 0 0 5px rgba(255, 255, 255, 0.25);
    }
}

@layer project {
    .about-content {
        text-align: center;
        text-wrap: balance;
        margin-bottom: 4rem;

        img {
            width: 100px;
            height: 100px;
        }

        p {
            margin: 0;
        }
    }

    .year {
        font-size: var(--font-size-xl);
        color: var(--color-text-strong);
        margin-bottom: 0.5rem;
    }

    .blog-header {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        padding-bottom: 1.5rem;
        border-bottom: 1px solid var(--color-border);

        h1 {
            margin-bottom: 0.5rem;
        }
    }

    .blog-content h2,
    .blog-content h3,
    .blog-content h4,
    .blog-content h5,
    .blog-content h6 {
        margin-top: 2.5rem;
        margin-bottom: 1rem;
    }

    .blog-content a {
        color: var(--color-text-strong);
    }

    .blog-content blockquote {
        border-left: 3px solid var(--color-accent);
        margin-left: 0;
        margin-right: 0;
        padding-left: 1.25rem;
        color: var(--color-text-muted);
        font-style: italic;
    }

    .blog-content blockquote a {
        color: var(--color-text-muted);
    }

    .blog-content pre {
        background-color: var(--color-surface);
        margin: 1.5rem 0;
        padding: 0;
        border-radius: 0.5rem;
        overflow: hidden;
        border: 1px solid var(--color-border);
        max-width: 100%;
        box-sizing: border-box;
    }

    .blog-content :not(pre)>code {
        font-family: monospace;
        font-size: 0.9em;
        word-break: break-word;
        overflow-wrap: break-word;
        background-color: var(--color-surface);
        color: var(--color-text-strong);
        padding: 0.25rem 0.5rem;
        margin: 0 1px;
        border-radius: 0.5rem;
    }

    .blog-content pre>code {
        display: block;
        min-width: 100%;
        margin: 0;
        padding: 1.25rem;
        border-radius: 0;
        overflow-x: auto;
        background-color: transparent;
        box-sizing: border-box;
        font-family: monospace;
        font-size: 0.9em;
        line-height: 1.5;
        word-break: normal;
        overflow-wrap: normal;
    }

    .blog-content blockquote :not(pre)>code {
        opacity: 0.8;
    }

    .blog-content img {
        display: block;
        max-width: 100%;
        height: auto;
        margin: 0 auto;
    }

    .blog-content figure {
        margin: 2rem 0;
        text-align: center;
    }

    .blog-content figcaption {
        font-size: var(--font-size-sm);
        color: var(--color-text-muted);
        margin-top: 0.75rem;
        font-style: italic;
    }

    .blog-content table {
        border-collapse: collapse;
        width: 100%;
        margin: 1.5rem 0;
        display: block;
        overflow-x: auto;
    }

    .blog-content th,
    .blog-content td {
        border: 1px solid var(--color-border);
        padding: 0.75rem 1rem;
        text-align: left;
    }

    .blog-content th {
        background-color: var(--color-surface);
        color: var(--color-text-strong);
    }

    .blog-footer {
        margin-top: 3rem;
        border-top: 1px solid var(--color-border);

        .blog-related,
        .blog-all-tags {
            margin-top: 2rem;
        }

        .blog-related h2,
        .blog-all-tags h2 {
            margin: 0 0 1rem 0;
            color: var(--color-text-strong);
            font-size: var(--font-size-2xl);
        }
    }
}

/* Override Prism's unlayered block styles only. */
.blog-content pre:has(> code:is([class^="language-"], [class*=" language-"])),
.blog-content pre:is([class^="language-"], [class*=" language-"]) {
    margin: 1.5rem 0;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: var(--color-surface);
}

.blog-content pre>code:is([class^="language-"], [class*=" language-"]) {
    font-family: monospace;
    font-size: 0.9em;
    margin: 0;
    padding: 1.25rem;
    border-radius: 0;
    overflow-x: auto;
    background-color: transparent;
}