/*!
 * dotmatrix.css — classless pixel-art CSS framework
 * Write semantic HTML. Get a retro CRT interface for free.
 * ~6KB gzipped. No JS. No classes required.
 *
 * Usage:
 *   <link rel="stylesheet" href="dotmatrix.css">
 *
 * Theme via CSS variables on :root or [data-theme="..."]
 *
 * Inspired by: Spidey Tracker (Sony/Samsung), NES.css, Pico.css
 */

/* ═══════════════════════════════════════════
   DESIGN TOKENS — tweak these, change everything
   ═══════════════════════════════════════════ */

:root {
  /* Palette — LIGHT THEME (default) */
  --dm-bg: #f0f0e8;
  --dm-surface: #e8e8e0;
  --dm-border: #b0b0a0;
  --dm-text: #1a1a1a;
  --dm-text-muted: #666655;
  --dm-accent: #006600;
  --dm-accent-dim: #004400;
  --dm-accent-alt: #aa6600;
  --dm-danger: #cc0000;
  --dm-success: #006600;

  /* Typography */
  --dm-font: 'Courier New', 'Lucida Console', 'Consolas', monospace;
  --dm-font-size: 13px;
  --dm-line-height: 1.6;
  --dm-heading-font: 'Courier New', monospace;

  /* Spacing */
  --dm-space-xs: 4px;
  --dm-space-sm: 8px;
  --dm-space-md: 16px;
  --dm-space-lg: 24px;
  --dm-space-xl: 32px;
  --dm-space-2xl: 48px;

  /* Borders */
  --dm-border-width: 2px;
  --dm-radius: 0px;            /* pixel art = no rounding */

  /* Pixel shadow (the "stepped corner" effect) */
  --dm-pixel: 2px;

  /* Scanline intensity (0 = off, 1 = subtle, 2 = strong) */
  --dm-scanlines: 1;

  /* Texture intensity for paper/grain/dot patterns (0 = off, 1 = subtle, 2 = strong) */
  --dm-texture: 0;
  --dm-texture-color: rgba(0, 0, 0, 0.08);

  /* Container */
  --dm-max-width: 800px;

  /* Emoji rendering: text | emoji | unicode
     text    = monochrome outline (CRT/terminal vibe) — default
     emoji   = native colorful emoji
     unicode = text-style where supported, emoji fallback */
  --dm-emoji-style: text;
  --dm-emoji-font-variant: text;

  color-scheme: light;
}

/* Dark theme override */
[data-theme="dark"],
.dm-dark {
  --dm-bg: #0a0a0a;
  --dm-surface: #141414;
  --dm-border: #2a2a2a;
  --dm-text: #c8c8c8;
  --dm-text-muted: #666666;
  --dm-accent: #00ff41;        /* terminal green */
  --dm-accent-dim: #00aa2a;
  --dm-accent-alt: #ffb000;    /* amber warning */
  --dm-danger: #ff2d2d;
  --dm-success: #00ff41;
  color-scheme: dark;
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--dm-font-size);
  scroll-behavior: smooth;
}

body {
  font-family: var(--dm-font);
  font-size: 1rem;
  line-height: var(--dm-line-height);
  color: var(--dm-text);
  background-color: var(--dm-bg);
  padding: var(--dm-space-lg);
  max-width: var(--dm-max-width);
  margin: 0 auto;
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: unset;
  text-rendering: optimizeSpeed;
  font-variant-emoji: var(--dm-emoji-font-variant);
}

/* Scanline overlay on body */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, calc(0.03 * var(--dm-scanlines))) 2px,
    rgba(0, 0, 0, calc(0.03 * var(--dm-scanlines))) 4px
  );
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--dm-heading-font);
  color: var(--dm-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--dm-space-xl);
  margin-bottom: var(--dm-space-sm);
  font-weight: 700;
}

h1 { font-size: 1.6rem; border-bottom: var(--dm-border-width) solid var(--dm-border); padding-bottom: var(--dm-space-sm); }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.1rem; color: var(--dm-text); }
h4 { font-size: 1rem; color: var(--dm-accent-alt); }
h5, h6 { font-size: 0.9rem; color: var(--dm-text-muted); }

p {
  margin-bottom: var(--dm-space-md);
}

a {
  color: var(--dm-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--dm-accent-dim);
  transition: color 0.1s;
}

a:hover {
  color: var(--dm-accent-alt);
  border-bottom-color: var(--dm-accent-alt);
}

strong {
  color: var(--dm-accent);
  font-weight: 700;
}

em {
  color: var(--dm-accent-alt);
}

small {
  color: var(--dm-text-muted);
  font-size: 0.85rem;
}

mark {
  background: var(--dm-accent);
  color: var(--dm-bg);
  padding: 0 2px;
}

blockquote {
  border-left: 4px solid var(--dm-accent);
  padding: var(--dm-space-sm) var(--dm-space-md);
  margin: var(--dm-space-md) 0;
  background: var(--dm-surface);
  color: var(--dm-text-muted);
}

blockquote p:last-child {
  margin-bottom: 0;
}

hr {
  border: none;
  border-top: var(--dm-border-width) dashed var(--dm-border);
  margin: var(--dm-space-lg) 0;
}

/* Inline code */
code {
  font-family: var(--dm-font);
  background: var(--dm-surface);
  border: 1px solid var(--dm-border);
  padding: 1px 4px;
  color: var(--dm-accent);
  font-size: 0.9em;
}

/* Code blocks */
pre {
  background: var(--dm-surface);
  border: var(--dm-border-width) solid var(--dm-border);
  padding: var(--dm-space-md);
  overflow-x: auto;
  margin: var(--dm-space-md) 0;
  line-height: 1.4;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--dm-text);
}

/* ═══════════════════════════════════════════
   LISTS
   ═══════════════════════════════════════════ */

ul, ol {
  padding-left: var(--dm-space-lg);
  margin-bottom: var(--dm-space-md);
}

li {
  margin-bottom: var(--dm-space-xs);
}

ul li::marker {
  color: var(--dm-accent);
  content: '▸ ';
}

ol li::marker {
  color: var(--dm-accent);
  font-weight: 700;
}

dl dt {
  color: var(--dm-accent);
  font-weight: 700;
  margin-top: var(--dm-space-sm);
}

dl dd {
  margin-left: var(--dm-space-md);
  color: var(--dm-text-muted);
}

/* ═══════════════════════════════════════════
   IMAGES & MEDIA
   ═══════════════════════════════════════════ */

img, svg, canvas, video {
  max-width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  border: var(--dm-border-width) solid var(--dm-border);
}

figure {
  margin: var(--dm-space-md) 0;
}

figcaption {
  color: var(--dm-text-muted);
  font-size: 0.85rem;
  margin-top: var(--dm-space-xs);
  text-align: center;
}

/* ═══════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--dm-space-md) 0;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid var(--dm-border);
  padding: var(--dm-space-sm) var(--dm-space-md);
  text-align: left;
}

th {
  background: var(--dm-surface);
  color: var(--dm-accent);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

tr:nth-child(even) {
  background: var(--dm-surface);
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */

button,
input[type="submit"],
input[type="reset"],
input[type="button"],
a[role="button"] {
  font-family: var(--dm-font);
  font-size: 0.9rem;
  color: var(--dm-accent);
  background: transparent;
  border: var(--dm-border-width) solid var(--dm-accent);
  padding: var(--dm-space-sm) var(--dm-space-md);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-block;
  transition: background 0.1s, color 0.1s;
  position: relative;
}

button:hover,
input[type="submit"]:hover,
input[type="reset"]:hover,
input[type="button"]:hover,
a[role="button"]:hover {
  background: var(--dm-accent);
  color: var(--dm-bg);
}

button:focus-visible,
input[type="submit"]:focus-visible,
input[type="reset"]:focus-visible,
input[type="button"]:focus-visible,
a[role="button"]:focus-visible {
  outline: var(--dm-border-width) solid var(--dm-accent-alt);
  outline-offset: 2px;
}

button:active,
input[type="submit"]:active,
input[type="reset"]:active,
input[type="button"]:active,
a[role="button"]:active {
  transform: translate(var(--dm-pixel), var(--dm-pixel));
}

button:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled,
input[type="button"]:disabled {
  color: var(--dm-text-muted);
  border-color: var(--dm-border);
  cursor: not-allowed;
  opacity: 0.5;
}

/* Primary button via type="submit" */
input[type="submit"],
button[type="submit"] {
  background: var(--dm-accent);
  color: var(--dm-bg);
  font-weight: 700;
}

input[type="submit"]:hover,
button[type="submit"]:hover {
  background: var(--dm-accent-alt);
  border-color: var(--dm-accent-alt);
}

/* Danger button via formmethod="dialog" workaround — use data-danger if you must */
button[data-danger] {
  border-color: var(--dm-danger);
  color: var(--dm-danger);
}

button[data-danger]:hover {
  background: var(--dm-danger);
  color: var(--dm-bg);
}

/* ═══════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════ */

form {
  margin: var(--dm-space-md) 0;
}

fieldset {
  border: var(--dm-border-width) solid var(--dm-border);
  padding: var(--dm-space-md);
  margin: var(--dm-space-md) 0;
}

legend {
  color: var(--dm-accent);
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 0 var(--dm-space-xs);
}

label {
  display: block;
  color: var(--dm-text);
  margin-bottom: var(--dm-space-xs);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="url"],
input[type="tel"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
input[type="time"],
textarea,
select {
  font-family: var(--dm-font);
  font-size: 0.9rem;
  color: var(--dm-text);
  background: var(--dm-surface);
  border: var(--dm-border-width) solid var(--dm-border);
  padding: var(--dm-space-sm) var(--dm-space-md);
  width: 100%;
  display: block;
  margin-bottom: var(--dm-space-md);
  outline: none;
  transition: border-color 0.1s;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--dm-accent);
  box-shadow: 0 0 0 1px var(--dm-accent-dim);
}

input::placeholder,
textarea::placeholder {
  color: var(--dm-text-muted);
  opacity: 0.6;
}

textarea {
  min-height: 100px;
  resize: vertical;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%2300ff41' d='M0 2l4 4 4-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 24px;
}

/* Checkboxes & radios */
input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: var(--dm-border-width) solid var(--dm-border);
  background: var(--dm-surface);
  cursor: pointer;
  vertical-align: middle;
  position: relative;
  margin-right: var(--dm-space-sm);
}

input[type="radio"] {
  border-radius: 0;
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background: var(--dm-accent);
  border-color: var(--dm-accent);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 4px;
  height: 8px;
  border: solid var(--dm-bg);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 6px;
  height: 6px;
  background: var(--dm-bg);
}

input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
  outline: var(--dm-border-width) solid var(--dm-accent-alt);
  outline-offset: 2px;
}

/* Range */
input[type="range"] {
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--dm-border);
  border: none;
  margin: var(--dm-space-sm) 0;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--dm-accent);
  border: none;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--dm-accent);
  border: none;
  cursor: pointer;
}

/* File input */
input[type="file"] {
  font-family: var(--dm-font);
  font-size: 0.85rem;
  color: var(--dm-text-muted);
  margin-bottom: var(--dm-space-md);
}

input[type="file"]::file-selector-button {
  font-family: var(--dm-font);
  font-size: 0.8rem;
  color: var(--dm-accent);
  background: transparent;
  border: var(--dm-border-width) solid var(--dm-accent);
  padding: var(--dm-space-xs) var(--dm-space-sm);
  cursor: pointer;
  text-transform: uppercase;
  margin-right: var(--dm-space-sm);
}

/* ═══════════════════════════════════════════
   DETAILS / ACCORDION
   ═══════════════════════════════════════════ */

details {
  border: var(--dm-border-width) solid var(--dm-border);
  margin: var(--dm-space-sm) 0;
}

details[open] {
  border-color: var(--dm-accent);
}

summary {
  padding: var(--dm-space-sm) var(--dm-space-md);
  cursor: pointer;
  color: var(--dm-accent);
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  user-select: none;
}

summary:hover {
  background: var(--dm-surface);
}

details > *:not(summary) {
  padding: 0 var(--dm-space-md) var(--dm-space-md);
}

/* ═══════════════════════════════════════════
   DIALOG
   ═══════════════════════════════════════════ */

dialog {
  font-family: var(--dm-font);
  background: var(--dm-bg);
  color: var(--dm-text);
  border: var(--dm-border-width) solid var(--dm-accent);
  padding: var(--dm-space-lg);
  max-width: 500px;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.8);
}

/* ═══════════════════════════════════════════
   PROGRESS & METER
   ═══════════════════════════════════════════ */

progress {
  appearance: none;
  width: 100%;
  height: 16px;
  border: var(--dm-border-width) solid var(--dm-border);
  background: var(--dm-surface);
}

progress::-webkit-progress-bar {
  background: var(--dm-surface);
}

progress::-webkit-progress-value {
  background: var(--dm-accent);
}

progress::-moz-progress-bar {
  background: var(--dm-accent);
}

meter {
  appearance: none;
  width: 100%;
  height: 16px;
  border: var(--dm-border-width) solid var(--dm-border);
  background: var(--dm-surface);
}

meter::-webkit-meter-bar {
  background: var(--dm-surface);
  border: none;
}

meter::-webkit-meter-optimum-value { background: var(--dm-success); }
meter::-webkit-meter-suboptimum-value { background: var(--dm-accent-alt); }
meter::-webkit-meter-even-less-good-value { background: var(--dm-danger); }

/* ═══════════════════════════════════════════
   NAVIGATION / SECTIONS
   ═══════════════════════════════════════════ */

nav {
  margin: var(--dm-space-md) 0;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--dm-space-sm);
}

nav a {
  color: var(--dm-text);
  border-bottom: none;
  padding: var(--dm-space-xs) var(--dm-space-sm);
  border: 1px solid transparent;
}

nav a:hover {
  color: var(--dm-accent);
  border-color: var(--dm-accent);
}

header {
  border-bottom: var(--dm-border-width) solid var(--dm-border);
  padding-bottom: var(--dm-space-md);
  margin-bottom: var(--dm-space-lg);
}

footer {
  border-top: var(--dm-border-width) solid var(--dm-border);
  padding-top: var(--dm-space-md);
  margin-top: var(--dm-space-xl);
  color: var(--dm-text-muted);
  font-size: 0.85rem;
}

section {
  margin: var(--dm-space-xl) 0;
}

article {
  border: var(--dm-border-width) solid var(--dm-border);
  padding: var(--dm-space-md);
  margin: var(--dm-space-md) 0;
}

article > header {
  border-bottom: 1px solid var(--dm-border);
  margin-bottom: var(--dm-space-md);
  padding-bottom: var(--dm-space-sm);
}

main > section:first-child {
  margin-top: 0;
}

/* ═══════════════════════════════════════════
   STATUS BADGES (via <mark> or inline semantic)
   ═══════════════════════════════════════════ */

mark {
  display: inline-block;
  font-size: 0.75rem;
  padding: 1px 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ═══════════════════════════════════════════
   UTILITIES (semantic-only, no classes)
   ═══════════════════════════════════════════ */

/* Disabled anything */
:disabled, [aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Required fields marker */
input:required + label::after,
label:has(+ input:required)::after,
:required {
  /* browsers handle this differently, keep it simple */
}

/* Invalid fields */
input:invalid:not(:placeholder-shown),
textarea:invalid:not(:placeholder-shown) {
  border-color: var(--dm-danger);
}

/* Loading animation for anything with busy attr */
[aria-busy="true"] {
  opacity: 0.6;
  cursor: wait;
}

[aria-busy="true"]::after {
  content: ' ...';
  animation: dm-blink 0.8s step-end infinite;
}

@keyframes dm-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ═══════════════════════════════════════════
   TEXTURES — classless, opt-in via [data-texture="..."]
   Apply to any element: <article data-texture="paper">...</article>
   No new classes. Pure semantic hook.
   ═══════════════════════════════════════════ */

/* Paper grain — subtle noise, like newsprint or recycled paper */
[data-texture="paper"] {
  background-image:
    radial-gradient(circle at 20% 30%, var(--dm-texture-color) 1px, transparent 1px),
    radial-gradient(circle at 60% 70%, var(--dm-texture-color) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, var(--dm-texture-color) 1px, transparent 1px),
    radial-gradient(circle at 40% 80%, var(--dm-texture-color) 1px, transparent 1px),
    radial-gradient(circle at 10% 60%, var(--dm-texture-color) 1px, transparent 1px);
  background-size: 7px 7px, 11px 11px, 13px 13px, 17px 17px, 19px 19px;
  background-position: 0 0, 3px 5px, 7px 2px, 11px 8px, 5px 11px;
}

/* Dot grid — like graph paper or engineering pads */
[data-texture="dots"] {
  background-image: radial-gradient(circle, var(--dm-texture-color) 1px, transparent 1px);
  background-size: 12px 12px;
}

/* Diagonal stripes — classic 90s web divider */
[data-texture="stripes"] {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 6px,
    var(--dm-texture-color) 6px,
    var(--dm-texture-color) 7px
  );
}

/* Cross-hatch — like woven fabric or risograph print */
[data-texture="hatch"] {
  background-image:
    repeating-linear-gradient(45deg, var(--dm-texture-color) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(-45deg, var(--dm-texture-color) 0 1px, transparent 1px 8px);
}

/* CRT phosphor — RGB dot pattern, subtle */
[data-texture="phosphor"] {
  background-image:
    repeating-linear-gradient(0deg,
      transparent 0px, transparent 2px,
      rgba(255, 0, 80, calc(0.04 * var(--dm-texture))) 2px, rgba(255, 0, 80, calc(0.04 * var(--dm-texture))) 3px),
    repeating-linear-gradient(90deg,
      transparent 0px, transparent 2px,
      rgba(0, 255, 200, calc(0.04 * var(--dm-texture))) 2px, rgba(0, 255, 200, calc(0.04 * var(--dm-texture))) 3px);
}

/* Halftone — varying dot sizes like newsprint photo */
[data-texture="halftone"] {
  background-image: radial-gradient(circle, var(--dm-texture-color) 1.5px, transparent 1.5px);
  background-size: 6px 6px;
}

/* Noise — heavier grain, like a photocopy or xerox */
[data-texture="noise"] {
  background-image:
    radial-gradient(circle at 10% 20%, var(--dm-texture-color) 0.5px, transparent 0.5px),
    radial-gradient(circle at 30% 70%, var(--dm-texture-color) 0.5px, transparent 0.5px),
    radial-gradient(circle at 50% 30%, var(--dm-texture-color) 0.5px, transparent 0.5px),
    radial-gradient(circle at 70% 80%, var(--dm-texture-color) 0.5px, transparent 0.5px),
    radial-gradient(circle at 90% 40%, var(--dm-texture-color) 0.5px, transparent 0.5px);
  background-size: 3px 3px;
}

/* Carbon — paper that looks photocopied (darker, more contrast) */
[data-texture="carbon"] {
  background:
    linear-gradient(180deg, var(--dm-surface) 0%, var(--dm-bg) 100%);
  position: relative;
}
[data-texture="carbon"]::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 25% 25%, var(--dm-texture-color) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--dm-texture-color) 1px, transparent 1px);
  background-size: 5px 5px;
  opacity: 1.5;
}

/* Texture presets — quick intensity + color combos for each theme */
[data-texture-preset="sepia"] { --dm-texture: 1; --dm-texture-color: rgba(120, 70, 30, 0.15); }
[data-texture-preset="vintage"] { --dm-texture: 2; --dm-texture-color: rgba(60, 40, 20, 0.18); }
[data-texture-preset="phosphor"] { --dm-texture: 1; }
[data-texture-preset="subtle"] { --dm-texture: 1; --dm-texture-color: rgba(0, 0, 0, 0.04); }
[data-texture-preset="strong"] { --dm-texture: 2; --dm-texture-color: rgba(0, 0, 0, 0.12); }

/* Bevel — pressed/3D effect for buttons and panels (replaces borders) */
[data-bevel="in"] {
  box-shadow:
    inset 1px 1px 0 var(--dm-border-light, rgba(255,255,255,0.4)),
    inset -1px -1px 0 var(--dm-border-dark, rgba(0,0,0,0.25));
}
[data-bevel="out"] {
  box-shadow:
    inset -1px -1px 0 var(--dm-border-light, rgba(255,255,255,0.4)),
    inset 1px 1px 0 var(--dm-border-dark, rgba(0,0,0,0.25));
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 600px) {
  :root {
    --dm-font-size: 12px;
    --dm-space-lg: 16px;
  }

  body {
    padding: var(--dm-space-md);
  }

  table {
    font-size: 0.8rem;
  }

  th, td {
    padding: var(--dm-space-xs) var(--dm-space-sm);
  }

  nav ul {
    flex-direction: column;
  }
}

/* ═══════════════════════════════════════════
   PRINT (strip the aesthetic)
   ═══════════════════════════════════════════ */

@media print {
  body::after { display: none; }
  body { background: white; color: black; }
  a { color: black; text-decoration: underline; }
  h1, h2, h3 { color: black; }
}