@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
    --ics-accent: #7c6cf2;
    --ics-accent-2: #3fa9f5;
    --ics-accent-soft: rgba(124, 108, 242, 0.12);
    --ics-card: rgba(127, 127, 160, 0.06);
    --ics-card-border: rgba(127, 127, 160, 0.22);
    --ics-shadow: 0 10px 30px rgba(15, 15, 40, 0.18);
    --ics-radius: 12px;
    --content-max-width: 860px;
    --mono-font: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.coal, .navy, .ayu {
    --ics-accent: #9d90ff;
    --ics-accent-2: #5cc0ff;
    --ics-accent-soft: rgba(157, 144, 255, 0.14);
    --ics-card: rgba(255, 255, 255, 0.035);
    --ics-card-border: rgba(255, 255, 255, 0.09);
    --ics-shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
}

.navy {
    --bg: #0f1220;
    --sidebar-bg: #0b0d18;
    --sidebar-active: #9d90ff;
    --links: #8fb8ff;
    --inline-code-color: #c9c3ff;
    --theme-popup-bg: #161a2c;
    --quote-bg: #151a2e;
    --quote-border: #262c48;
    --table-header-bg: #171c32;
    --table-alternate-bg: #12162a;
    --table-border-color: #232a45;
    --searchbar-bg: #161a2c;
}

html {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    font-size: 1.6rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.content main {
    padding-bottom: 4rem;
}

.content h1, .content h2, .content h3 {
    letter-spacing: -0.02em;
    font-weight: 700;
}

.content h1 {
    font-size: 2.6em;
    font-weight: 800;
    margin-top: 0.4em;
}

.content h2 {
    margin-top: 2.2em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--ics-card-border);
}

.content h1 a.header, .content h2 a.header, .content h3 a.header {
    color: var(--fg);
}

.content a:not(.header):not(.ics-button) {
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

.content a:not(.header):not(.ics-button):hover {
    border-bottom-color: currentColor;
}

code {
    font-size: 0.86em;
}

:not(pre) > code {
    padding: 0.1em 0.4em;
    border-radius: 6px;
    background: var(--ics-accent-soft);
}

pre {
    border-radius: var(--ics-radius);
    border: 1px solid var(--ics-card-border);
}

pre > code.hljs {
    padding: 1.1em 1.3em;
}

.content img {
    border-radius: 10px;
    box-shadow: var(--ics-shadow);
    border: 1px solid var(--ics-card-border);
    margin: 0.8em 0 1.2em;
}

.content table {
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid var(--table-border-color);
    border-radius: 10px;
    overflow: hidden;
    width: 100%;
    display: table;
}

.content table td, .content table th {
    border: none;
    border-top: 1px solid var(--table-border-color);
    padding: 0.55em 0.9em;
}

.content table thead th {
    border-top: none;
    font-weight: 600;
    text-align: left;
}

blockquote {
    border-radius: 0 10px 10px 0;
    border-left: 4px solid var(--ics-accent);
    border-top: none;
    border-bottom: none;
}

.sidebar .sidebar-scrollbox {
    padding-top: 1.2em;
}

.chapter li.part-title {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78em;
    font-weight: 600;
    opacity: 0.6;
    margin-top: 1.4em;
}

.chapter li a.active {
    font-weight: 600;
}

.menu-title {
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Landing page */

.ics-hero {
    position: relative;
    margin: 1.5em 0 2.5em;
    padding: 3em 2.4em 2.6em;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--ics-card-border);
    background:
        radial-gradient(1200px 400px at 0% 0%, rgba(124, 108, 242, 0.28), transparent 60%),
        radial-gradient(900px 400px at 100% 100%, rgba(63, 169, 245, 0.22), transparent 60%),
        var(--ics-card);
}

.ics-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--ics-card-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--ics-card-border) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.55), transparent 70%);
    -webkit-mask-image: linear-gradient(120deg, rgba(0, 0, 0, 0.55), transparent 70%);
    pointer-events: none;
}

.ics-hero > * {
    position: relative;
    z-index: 1;
}

.ics-eyebrow {
    display: inline-block;
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ics-accent);
    padding: 0.25em 0.8em;
    border-radius: 999px;
    background: var(--ics-accent-soft);
    margin-bottom: 1em;
}

.ics-hero .ics-title {
    font-size: 3.4em;
    line-height: 1.08;
    font-weight: 800;
    letter-spacing: -0.035em;
    margin: 0 0 0.35em;
    background: linear-gradient(100deg, var(--fg) 30%, var(--ics-accent) 75%, var(--ics-accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ics-hero .ics-lede {
    font-size: 1.22em;
    line-height: 1.55;
    max-width: 38em;
    opacity: 0.88;
    margin: 0 0 1.6em;
}

.ics-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7em;
}

.content a.ics-button {
    display: inline-block;
    padding: 0.62em 1.25em;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95em;
    text-decoration: none;
    border: 1px solid var(--ics-card-border);
    color: var(--fg);
    background: var(--ics-card);
    transition: transform 0.12s, box-shadow 0.12s;
}

.content a.ics-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--ics-shadow);
}

.content a.ics-button.primary {
    color: #fff;
    border-color: transparent;
    background: linear-gradient(100deg, #6c5ce7, #3f8ff5);
}

.ics-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.8em;
    margin: 1.5em 0 2em;
}

.ics-stat {
    padding: 1em 1.1em;
    border-radius: var(--ics-radius);
    border: 1px solid var(--ics-card-border);
    background: var(--ics-card);
}

.ics-stat b {
    display: block;
    font-size: 1.7em;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--ics-accent);
    line-height: 1.2;
}

.ics-stat span {
    display: block;
    margin-top: 0.3em;
    line-height: 1.45;
    font-size: 0.86em;
    opacity: 0.75;
}

.ics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1em;
    margin: 1.4em 0 2em;
}

.ics-card {
    padding: 1.2em 1.3em;
    border-radius: var(--ics-radius);
    border: 1px solid var(--ics-card-border);
    background: var(--ics-card);
    transition: border-color 0.15s, transform 0.15s;
}

.ics-card:hover {
    border-color: var(--ics-accent);
    transform: translateY(-2px);
}

.ics-card h3, .ics-card h4 {
    margin: 0 0 0.4em;
    font-size: 1.05em;
    border: none;
}

.ics-card p {
    margin: 0;
    font-size: 0.92em;
    opacity: 0.82;
    line-height: 1.55;
}

.ics-card .ics-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1em;
    height: 2.1em;
    border-radius: 9px;
    margin-bottom: 0.7em;
    font-weight: 700;
    font-size: 0.85em;
    color: var(--ics-accent);
    background: var(--ics-accent-soft);
}

.ics-shot {
    margin: 0;
}

.ics-shot img {
    width: 100%;
    margin: 0 0 0.5em;
}

.ics-shot figcaption {
    font-size: 0.86em;
    opacity: 0.72;
}

.ics-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.6em 1.4em;
    margin: 1.4em 0 2em;
}

.ics-gallery .ics-card {
    padding: 0.9em;
}

.ics-gallery .ics-card img {
    width: 100%;
    margin: 0 0 0.8em;
    box-shadow: none;
}

.ics-gallery .ics-card h3 {
    margin: 0 0 0.3em;
}

.ics-tag {
    display: inline-block;
    font-size: 0.72em;
    font-weight: 600;
    padding: 0.1em 0.6em;
    margin-left: 0.4em;
    border-radius: 999px;
    vertical-align: middle;
    color: var(--ics-accent);
    background: var(--ics-accent-soft);
}

.ics-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5em;
    margin: 1.2em 0 2em;
}

.ics-flow span {
    padding: 0.45em 0.9em;
    border-radius: 999px;
    font-size: 0.9em;
    font-weight: 600;
    border: 1px solid var(--ics-card-border);
    background: var(--ics-card);
}

.ics-flow i {
    font-style: normal;
    opacity: 0.45;
}

.ics-flow span.loop {
    color: var(--ics-accent);
    border-color: var(--ics-accent);
}

.callout {
    margin: 1.4em 0;
    padding: 0.9em 1.2em;
    border-radius: var(--ics-radius);
    border: 1px solid var(--ics-card-border);
    border-left: 4px solid var(--ics-accent);
    background: var(--ics-accent-soft);
}

.callout > p:first-child {
    margin-top: 0;
}

.callout > p:last-child {
    margin-bottom: 0;
}

.callout.say {
    border-left-color: var(--ics-accent-2);
    background: rgba(63, 169, 245, 0.1);
}

@media (max-width: 700px) {
    .ics-hero {
        padding: 2em 1.3em 1.8em;
    }

    .ics-hero .ics-title {
        font-size: 2.4em;
    }

    .ics-gallery {
        grid-template-columns: 1fr;
    }
}