:root {
    color-scheme: dark;

    --background: #09090b;
    --surface: #111113;
    --hover: #18181b;
    --border: #27272a;

    --text: #fafafa;
    --muted: #a1a1aa;

    --primary: #a78bfa;
    --primary-hover: #c4b5fd;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

button,
input,
select,
textarea {
    font: inherit;
}

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* Header */
.header {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.header-inner {
    max-width: 1040px;
    margin: 0 auto;
    min-height: 64px;
    padding: 12px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
}

.brand:hover {
    color: var(--text);
    text-decoration: none;
}

.brand-icon {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    background: #a78bfa14;
    color: var(--primary);
    border: 1px solid #a78bfa30;
    border-radius: 8px;
}

.account {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0;
}

.username {
    color: var(--muted);
    font-size: 13px;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Layout */
main {
    max-width: 1040px;
    margin: 0 auto;
    padding: 36px 24px 64px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text);
    font-weight: 600;
    line-height: 1.35;
}

h1 {
    margin: 0 0 24px;
    font-size: 25px;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 18px;
}

/* Tutorial cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px;
    margin-bottom: 12px;
}

.card h2 {
    margin: 0 0 6px;
    font-size: 16px;
}

.card h2 a {
    color: var(--text);
}

.card h2 a:hover {
    color: var(--primary);
    text-decoration: none;
}

.card>p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

/* Buttons */
button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    background: var(--primary);
    color: #181125;
    border: 1px solid transparent;
    border-radius: 7px;

    padding: 9px 15px;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: var(--primary-hover);
}

.account button {
    background: transparent;
    color: var(--muted);
    border-color: var(--border);
    padding: 6px 11px;
    font-size: 12px;
}

.account button:hover {
    background: var(--hover);
    color: var(--text);
}

/* Login */
.login-card {
    max-width: 400px;
    margin: 64px auto 0;
    padding: 28px;
}

.login-card h1 {
    font-size: 22px;
    margin-bottom: 24px;
}

.login-card form p {
    margin: 0 0 18px;
}

label {
    display: block;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 7px;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--background);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 7px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px #a78bfa18;
}

.login-card button {
    width: 100%;
    margin-top: 4px;
}

.errorlist {
    margin: 0 0 16px;
    padding-left: 18px;
    color: #fca5a5;
    font-size: 13px;
}

.helptext {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-size: 12px;
}

/* Markdown */
.markdown-body {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;

    color: #d4d4d8;
    font-size: 15px;
    overflow-wrap: anywhere;
}

.markdown-body> :first-child {
    margin-top: 0;
}

.markdown-body> :last-child {
    margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin: 28px 0 16px;
}

.markdown-body h1 {
    font-size: 28px;
}

.markdown-body h2 {
    font-size: 22px;
}

.markdown-body h3 {
    font-size: 18px;
}

.markdown-body h1,
.markdown-body h2 {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body blockquote,
.markdown-body pre {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-body li+li {
    margin-top: 5px;
}

.markdown-body strong {
    color: var(--text);
    font-weight: 600;
}

.markdown-body code {
    padding: 3px 6px;
    background: #27272a;
    color: #e4e4e7;
    border-radius: 5px;
    font-family: "SFMono-Regular", Consolas,
        "Liberation Mono", monospace;
    font-size: 85%;
}

.markdown-body pre {
    padding: 18px;
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow-x: auto;
    line-height: 1.6;
}

.markdown-body pre code {
    padding: 0;
    background: transparent;
    border-radius: 0;
    font-size: 13px;
    overflow-wrap: normal;
}

.markdown-body blockquote {
    margin-left: 0;
    margin-right: 0;
    padding: 4px 16px;
    border-left: 3px solid var(--primary);
    color: var(--muted);
}

.markdown-body blockquote> :last-child {
    margin-bottom: 0;
}

.markdown-body table {
    display: block;
    max-width: 100%;
    margin-bottom: 16px;
    overflow-x: auto;
    border-collapse: collapse;
}

.markdown-body th,
.markdown-body td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    text-align: left;
}

.markdown-body th {
    background: var(--hover);
    color: var(--text);
    font-weight: 600;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.markdown-body hr {
    height: 1px;
    margin: 28px 0;
    border: 0;
    background: var(--border);
}

/* Mobile */
@media (max-width: 600px) {
    .header-inner {
        padding: 12px 16px;
    }

    main {
        padding: 24px 16px 40px;
    }

    .username {
        display: none;
    }

    .login-card {
        margin-top: 32px;
        padding: 22px;
    }

    .markdown-body {
        padding: 20px;
        font-size: 14px;
    }

    .markdown-body h1 {
        font-size: 24px;
    }

    .markdown-body h2 {
        font-size: 20px;
    }
}