:root {
  color-scheme: dark;
  --md-bg: #0b0b16;
  --md-fg: #f5f3ff;
  --md-muted: #aaa4d6;
  --md-panel: #17142d;
  --md-panel-2: #211b3e;
  --md-border: rgba(168, 150, 255, 0.24);
  --md-link: #67e8f9;
  --md-accent: #a78bfa;
  --md-code-bg: #1b1724;
  --md-block-code-bg: #0f111a;
  --md-block-code-fg: #f8fafc;
  --md-block-code-border: rgba(248, 250, 252, 0.16);
  --md-shadow: rgba(0, 0, 0, 0.28);
  --md-font: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans serif;
  --md-mono: Consolas, Monaco, "Andale Mono", "Ubuntu Mono", monospace;
}

:root[data-theme="classic"] {
  --md-bg: #09090b;
  --md-fg: #fafafa;
  --md-muted: #a1a1aa;
  --md-panel: #18181b;
  --md-panel-2: #27272a;
  --md-border: rgba(255, 255, 255, 0.13);
  --md-link: #e4e4e7;
  --md-accent: #d4d4d8;
  --md-code-bg: #111113;
  --md-block-code-bg: #09090b;
  --md-block-code-fg: #fafafa;
  --md-block-code-border: rgba(250, 250, 250, 0.15);
  --md-shadow: rgba(0, 0, 0, 0.3);
}

:root[data-theme="retro"] {
  color-scheme: light;
  --md-bg: #c0c0c0;
  --md-fg: #000000;
  --md-muted: #404040;
  --md-panel: #ffffff;
  --md-panel-2: #dfdfdf;
  --md-border: #000000;
  --md-link: #000078;
  --md-accent: #000078;
  --md-code-bg: #ffffff;
  --md-block-code-bg: #000000;
  --md-block-code-fg: #f5f5f5;
  --md-block-code-border: #808080;
  --md-shadow: transparent;
  --md-font: "PixeloidSans", "PixelOperator", "Microsoft Sans Serif", Tahoma, sans serif;
  --md-mono: "PixelOperatorMono", Consolas, monospace;
}

:root[data-theme="gruvbox"] {
  --md-bg: #1d2021;
  --md-fg: #ebdbb2;
  --md-muted: #bdae93;
  --md-panel: #282828;
  --md-panel-2: #32302f;
  --md-border: rgba(235, 219, 178, 0.2);
  --md-link: #fabd2f;
  --md-accent: #d79921;
  --md-code-bg: #1b1d1e;
  --md-block-code-bg: #161819;
  --md-block-code-fg: #fbf1c7;
  --md-block-code-border: rgba(251, 241, 199, 0.18);
  --md-shadow: rgba(0, 0, 0, 0.26);
}

:root[data-theme="cyberpunk"] {
  --md-bg: #08070d;
  --md-fg: #fff36f;
  --md-muted: #9bfaff;
  --md-panel: #16131f;
  --md-panel-2: #251d34;
  --md-border: rgba(255, 242, 0, 0.34);
  --md-link: #00f0ff;
  --md-accent: #ff2a6d;
  --md-code-bg: #100d18;
  --md-block-code-bg: #07060b;
  --md-block-code-fg: #f8fafc;
  --md-block-code-border: rgba(0, 240, 255, 0.26);
  --md-shadow: rgba(255, 42, 109, 0.14);
}

@font-face {
  font-family: "PixeloidSans";
  src: url("/static/fonts/pixeloid_sans/PixeloidSans.ttf") format("truetype");
  font-weight: normal;
  font-display: swap;
}

@font-face {
  font-family: "PixeloidSans";
  src: url("/static/fonts/pixeloid_sans/PixeloidSans-Bold.ttf") format("truetype");
  font-weight: bold;
  font-display: swap;
}

@font-face {
  font-family: "PixelOperatorMono";
  src: url("/static/fonts/pixel_operator/PixelOperatorMono.ttf") format("truetype");
  font-weight: normal;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 18% -10%, color-mix(in srgb, var(--md-accent) 18%, transparent), transparent 24rem),
    var(--md-bg);
  color: var(--md-fg);
  font-family: var(--md-font);
}

html[data-theme="retro"] {
  background-color: #000000;
  background-image: url("/static/backgrounds/stars1.gif");
  background-repeat: repeat;
  image-rendering: pixelated;
}

html[data-theme="cyberpunk"] {
  background:
    linear-gradient(rgba(255, 242, 0, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px),
    var(--md-bg);
  background-size: 100% 3px, 3rem 100%, auto;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: clamp(1rem, 4vw, 2.25rem);
  font-size: 16px;
  line-height: 1.65;
}

main {
  max-width: 54rem;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
  border: 1px solid var(--md-border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--md-panel) 90%, transparent);
  box-shadow: 0 20px 60px var(--md-shadow);
}

html[data-theme="retro"] main {
  border-radius: 0;
  background: var(--md-panel);
  box-shadow:
    inset -1px -1px 0 #404040,
    inset 1px 1px 0 #ffffff,
    inset -2px -2px 0 #808080,
    inset 2px 2px 0 #dfdfdf;
}

html[data-theme="cyberpunk"] main {
  border-radius: 0;
  box-shadow: 4px 4px 0 rgba(255, 42, 109, 0.5), 0 0 24px rgba(0, 240, 255, 0.12);
  clip-path: polygon(0 0, calc(100% - 0.9rem) 0, 100% 0.9rem, 100% 100%, 0.9rem 100%, 0 calc(100% - 0.9rem));
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 1.4em 0 0.55em;
  color: var(--md-fg);
  line-height: 1.2;
}

h1:first-child,
h2:first-child,
h3:first-child {
  margin-top: 0;
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.45rem);
}

h2 {
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--md-border);
  font-size: 1.45rem;
}

p,
ul,
ol,
blockquote,
pre,
table {
  margin: 0 0 1rem;
}

a {
  color: var(--md-link);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--md-accent);
}

img,
video {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

html[data-theme="retro"] img,
html[data-theme="retro"] video {
  border-radius: 0;
  image-rendering: pixelated;
}

hr {
  height: 1px;
  border: 0;
  background: var(--md-border);
}

blockquote {
  margin-left: 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--md-accent);
  background: color-mix(in srgb, var(--md-panel-2) 58%, transparent);
  color: var(--md-muted);
}

pre {
  overflow: auto;
  padding: 1rem;
  border: 1px solid var(--md-block-code-border) !important;
  border-radius: 8px;
  background: var(--md-block-code-bg) !important;
  color: var(--md-block-code-fg) !important;
}

code {
  font-family: var(--md-mono);
}

pre code,
pre > code,
pre code[class*="language-"] {
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  color: inherit !important;
}

:not(pre) > code {
  padding: 0.12rem 0.28rem;
  border: 1px solid var(--md-border);
  border-radius: 0.25rem;
  background: color-mix(in srgb, var(--md-code-bg) 82%, transparent);
}

html[data-theme="retro"] pre,
html[data-theme="retro"] :not(pre) > code {
  border-radius: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--md-border);
}

th {
  background: color-mix(in srgb, var(--md-panel-2) 70%, transparent);
  color: var(--md-fg);
}

tr:nth-child(even) td {
  background: color-mix(in srgb, var(--md-panel-2) 28%, transparent);
}

::selection {
  background: var(--md-accent);
  color: var(--md-bg);
}
