/* Copyright (c) 2026 MyLaserTools. SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-MyLaserTools-Commercial */

:root {
  --paper: #f4f0e7;
  --paper-2: #ebe5d7;
  --panel: #fbf9f4;
  --ink: #1f1c18;
  --ink-2: #4a453d;
  --muted: #7b7467;
  --rule: #d6cdbb;
  --rule-2: #e4ddcf;
  --red: #c8331d;
  --red-ink: #a3291a;
  --blue: #24527a;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --cond: 'IBM Plex Sans Condensed', 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --width: 1160px;
  --gutter: 24px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
  overflow-x: hidden;
}

a {
  color: var(--ink);
  text-decoration-color: var(--red);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--red-ink);
}

h1,
h2,
h3 {
  font-family: var(--cond);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.005em;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
}

h2 {
  font-size: clamp(24px, 2.6vw, 30px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0 0 1em;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
}

.defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.bar,
main {
  max-width: var(--width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.bar.wide,
main.wide {
  max-width: none;
}

/* Header and footer */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}

.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
  flex-wrap: wrap;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 19px var(--mono);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 30px;
  height: 30px;
}

.site-header nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.site-header nav a {
  font-size: 15px;
  text-decoration: none;
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.site-header nav a:hover,
.site-header nav a[aria-current='page'] {
  color: var(--ink);
  border-bottom-color: var(--red);
}

.site-footer {
  margin-top: 96px;
  border-top: 1px solid var(--rule);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0 0 4px;
}

.site-footer a {
  color: var(--ink-2);
}

/* Buttons */

.button {
  display: inline-block;
  font: 500 15px/1 var(--sans);
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: 3px;
  padding: 10px 16px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.button:hover {
  border-color: var(--red);
  color: var(--red-ink);
}

.button.primary {
  background: var(--ink);
  color: var(--paper);
}

.button.primary:hover {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
}

.button:disabled {
  opacity: 0.4;
  cursor: default;
}

/* Code */

.code {
  margin: 0;
  font: 13.5px/1.6 var(--mono);
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 14px 16px;
  overflow-x: auto;
  tab-size: 2;
  color: var(--ink);
}

.code code {
  font-size: inherit;
}

.code.inline {
  display: inline-block;
  padding: 3px 8px;
  font-size: 13px;
  border-color: var(--rule-2);
}

.code.plain {
  background: var(--paper-2);
  border-color: var(--paper-2);
}

.code.numbered,
.editor-view {
  counter-reset: line;
  padding-left: 54px;
}

.ln {
  counter-increment: line;
  position: relative;
}

.ln::before {
  content: counter(line);
  position: absolute;
  left: -46px;
  width: 30px;
  text-align: right;
  color: #b0a898;
  font-size: 12px;
}

.ln.error {
  text-decoration: wavy underline var(--red);
  text-underline-offset: 4px;
}

.ln.error::before {
  color: var(--red);
  font-weight: 500;
}

.t-comment {
  color: #8a8273;
  font-style: italic;
}

.t-keyword {
  color: #a12c1a;
  font-weight: 500;
}

.t-builtin {
  color: var(--blue);
}

.t-number {
  color: #8a4b08;
}

.t-string {
  color: #4c6b1d;
}

.t-special {
  color: #7b3f8f;
}

/* Material figures */

.sheet {
  margin: 0;
  background-color: #f8f5ee;
  background-image:
    linear-gradient(var(--rule-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-2) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.sheet svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 72vh;
}

.sheet.laser {
  background: #fff;
}

.sheet.laser svg path {
  vector-effect: non-scaling-stroke;
  stroke-width: 1px;
}

.figure-note {
  font: 13px var(--mono);
  color: var(--muted);
  margin: 8px 0 0;
}

.view-switch {
  display: inline-flex;
  border: 1px solid var(--rule);
  border-radius: 3px;
  margin-bottom: 10px;
  overflow: hidden;
}

.view-switch button {
  font: 500 14px var(--sans);
  background: transparent;
  color: var(--ink-2);
  border: 0;
  padding: 7px 14px;
  cursor: pointer;
}

.view-switch button + button {
  border-left: 1px solid var(--rule);
}

.view-switch button[aria-selected='true'] {
  background: var(--ink);
  color: var(--paper);
}

/* Home */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: start;
  padding: 40px 0 40px;
}

.eyebrow {
  font: 13px var(--mono);
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 2px;
  background: var(--red);
  vertical-align: middle;
  margin-right: 10px;
}

.lede {
  font-size: 19px;
  color: var(--ink-2);
  max-width: 40em;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-note {
  font-size: 15px;
  color: var(--muted);
}

.hero-demo {
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--panel);
  overflow: hidden;
}

.demo-tab {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font: 13px var(--mono);
  padding: 8px 14px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper-2);
}

.demo-time {
  color: var(--muted);
}

.demo-code .code {
  border: 0;
  border-radius: 0;
  font-size: 12.5px;
  max-height: min(210px, 24vh);
}

.demo-controls {
  border-top: 1px solid var(--rule);
  padding: 10px 14px 4px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0 18px;
}

.demo-controls:empty {
  display: none;
}

.demo-controls .control-group {
  display: contents;
}

.demo-controls legend {
  display: none;
}

.demo-figure {
  margin: 0;
  border-top: 1px solid var(--rule);
  padding: 12px;
  background-color: #f8f5ee;
  background-image:
    linear-gradient(var(--rule-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-2) 1px, transparent 1px);
  background-size: 20px 20px;
}

.demo-figure svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(320px, 36vh);
}

.features {
  padding: 48px 0 16px;
}

.features dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 40px;
  margin: 24px 0 0;
}

.features dl > div {
  border-top: 1px solid var(--ink);
  padding: 16px 0 28px;
}

.features dt {
  font: 600 20px var(--cond);
  margin-bottom: 10px;
}

.features dd {
  margin: 0;
}

.features dd p {
  margin: 10px 0 0;
  font-size: 15.5px;
  color: var(--ink-2);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 10px;
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0;
}

.showcase {
  padding: 48px 0 16px;
}

.compare {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  padding: 56px 0 24px;
}

.compare p {
  color: var(--ink-2);
}

.where {
  padding: 40px 0 8px;
}

.where-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  margin-top: 20px;
}

.where-grid > div {
  border-top: 1px solid var(--ink);
  padding-top: 14px;
}

.where-grid p {
  font-size: 15.5px;
  color: var(--ink-2);
}

.licence-note {
  margin-top: 48px;
  padding: 28px 32px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--red);
  background: var(--panel);
}

.licence-note p {
  margin: 0;
  color: var(--ink-2);
  max-width: 62em;
}

/* Models */

.page-head {
  padding: 48px 0 24px;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.model-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.model-card figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background-color: #f8f5ee;
  background-image:
    linear-gradient(var(--rule-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-2) 1px, transparent 1px);
  background-size: 18px 18px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  transition: border-color 0.15s;
}

.model-card figure {
  position: relative;
}

.model-card figure svg {
  position: absolute;
  inset: 18px;
  width: calc(100% - 36px);
  height: calc(100% - 36px);
}

.model-card:hover figure {
  border-color: var(--ink);
}

.model-card-text {
  padding: 12px 2px 0;
}

.model-card h3 {
  margin: 0 0 4px;
}

.model-card:hover h3 {
  color: var(--red-ink);
}

.model-card p {
  font-size: 15px;
  color: var(--ink-2);
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.model-card p.meta,
.meta {
  font: 12.5px var(--mono);
  color: var(--muted);
}

.crumbs {
  font: 13px var(--mono);
  color: var(--muted);
  padding-top: 28px;
  margin-bottom: 12px;
}

.crumbs a {
  color: var(--muted);
}

.model-head {
  margin-bottom: 24px;
}

.model-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.model-figure .sheet {
  min-height: 360px;
}

.model-facts h2 {
  font-size: 18px;
  margin: 28px 0 8px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

th {
  text-align: left;
  font: 500 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-bottom: 1px solid var(--ink);
  padding: 6px 8px 6px 0;
}

td {
  border-bottom: 1px solid var(--rule-2);
  padding: 7px 8px 7px 0;
  vertical-align: top;
}

.params td span {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.source {
  margin-top: 48px;
}

.source h2 .meta {
  margin-left: 8px;
}

/* Reference and licence */

.docs {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 48px;
  padding-top: 40px;
}

.toc {
  position: sticky;
  top: 20px;
  align-self: start;
  max-height: calc(100vh - 40px);
  overflow: auto;
  font-size: 14px;
}

.toc p {
  font: 500 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 8px;
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 0 0 4px;
}

.toc li.l3 {
  padding-left: 14px;
  font-size: 13.5px;
}

.toc a {
  text-decoration: none;
  color: var(--ink-2);
}

.toc a:hover {
  color: var(--red-ink);
}

.prose {
  max-width: 50em;
}

.prose.narrow {
  margin: 0 auto;
  padding-top: 40px;
  max-width: 46em;
}

.prose h1 {
  font-size: clamp(32px, 4vw, 44px);
}

.prose h2 {
  margin-top: 1.8em;
  padding-top: 0.4em;
  border-top: 1px solid var(--rule);
}

.prose h3 {
  margin-top: 1.4em;
}

.prose pre {
  margin: 0 0 1.2em;
}

.prose table {
  margin: 0 0 1.4em;
  display: block;
  overflow-x: auto;
}

.prose ul,
.prose ol {
  padding-left: 1.3em;
}

.prose li {
  margin-bottom: 0.3em;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--ink);
  margin: 48px 0;
}

.prose :not(pre) > code {
  background: var(--paper-2);
  padding: 1px 4px;
  border-radius: 2px;
}

/* Controls */

.control-group {
  border: 0;
  margin: 0 0 8px;
  padding: 0;
}

.control-group legend {
  font: 500 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 8px 0 2px;
}

.control {
  padding: 6px 0;
}

.control label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
  font-size: 14.5px;
  margin-bottom: 3px;
}

.control-name {
  font-weight: 500;
}

.control-caption {
  color: var(--muted);
  font-size: 13px;
}

.control output {
  margin-left: auto;
  font: 13px var(--mono);
  color: var(--ink-2);
}

.control input[type='range'] {
  width: 100%;
  accent-color: var(--red);
  margin: 0;
}

.control select,
.control input[type='text'],
.control input[type='number'] {
  width: 100%;
  font: 14px var(--sans);
  padding: 6px 8px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fff;
  color: var(--ink);
}

.control.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control.toggle label {
  margin: 0;
}

.control input[type='checkbox'] {
  accent-color: var(--red);
  width: 16px;
  height: 16px;
  margin: 0;
}

.vector {
  display: flex;
  gap: 6px;
}

/* Playground */

.playground {
  padding: 16px 0 0;
}

.pg-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.pg-select {
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pg-select select {
  font: 14px var(--sans);
  padding: 7px 8px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: #fff;
}

.pg-status {
  font: 13px var(--mono);
  color: var(--muted);
}

.has-error .pg-status {
  color: var(--red);
}

.has-error [data-figure] {
  opacity: 0.35;
}

.pg-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pg-actions .button {
  padding: 8px 12px;
  font-size: 14px;
}

.pg-main {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.pg-editor {
  position: sticky;
  top: 12px;
}

.editor {
  position: relative;
  height: calc(100vh - 290px);
  min-height: 420px;
  border: 1px solid var(--ink);
  border-radius: 3px;
  background: var(--panel);
  overflow: hidden;
}

.editor .editor-view,
.editor textarea {
  position: absolute;
  inset: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  padding: 14px 16px 14px 54px;
  font: 13.5px/1.6 var(--mono);
  white-space: pre;
  overflow-wrap: normal;
  tab-size: 2;
  letter-spacing: 0;
}

.editor .editor-view {
  overflow: hidden;
  pointer-events: none;
  background: transparent;
}

.editor textarea {
  color: transparent;
  caret-color: var(--ink);
  background: transparent;
  resize: none;
  outline: none;
  overflow: auto;
}

.editor textarea::selection {
  background: rgba(200, 51, 29, 0.18);
}

.editor:focus-within {
  border-color: var(--red);
}

.pg-console {
  margin-top: 10px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--panel);
  font: 12.5px/1.5 var(--mono);
  padding: 8px 12px;
  height: 120px;
  overflow: auto;
}

.pg-console p {
  margin: 0;
  white-space: pre-wrap;
}

.pg-console .quiet {
  color: var(--muted);
}

.pg-console .warning {
  color: #8a5a00;
}

.pg-console .error {
  color: var(--red);
}

.pg-side .sheet {
  min-height: 320px;
}

.pg-settings {
  margin-top: 18px;
  border-top: 1px solid var(--ink);
  padding-top: 4px;
}

.pg-settings .hint {
  font-size: 14px;
  color: var(--muted);
  padding-top: 10px;
}

.pg-parts {
  margin-top: 16px;
}

/* Narrow screens */

@media (max-width: 960px) {
  .hero,
  .compare,
  .model-layout,
  .pg-main,
  .docs {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero {
    gap: 32px;
    padding-top: 40px;
  }

  .features dl,
  .model-grid,
  .where-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .toc {
    position: static;
    max-height: none;
    border-bottom: 1px solid var(--rule);
    padding-bottom: 16px;
  }

  .pg-editor {
    position: static;
  }

  .editor {
    height: 60vh;
  }
}

@media (max-width: 620px) {
  :root {
    --gutter: 16px;
  }

  body {
    font-size: 16px;
  }

  .features dl,
  .model-grid,
  .where-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-header nav {
    gap: 16px;
  }

  .licence-note {
    padding: 20px;
  }

  .pg-actions {
    margin-left: 0;
  }
}

/* Docs */

.prose h1 .anchor,
.prose h2 .anchor,
.prose h3 .anchor,
.prose h4 .anchor {
  color: inherit;
  text-decoration: none;
}

.prose h2 .anchor:hover::after,
.prose h3 .anchor:hover::after {
  content: ' #';
  color: var(--muted);
}

.guide-list {
  list-style: none;
  counter-reset: guide;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.guide-list li {
  counter-increment: guide;
  display: grid;
  grid-template-columns: 3ch minmax(0, 16rem) minmax(0, 1fr);
  gap: 4px 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.guide-list li::before {
  content: counter(guide, decimal-leading-zero);
  font: 14px/1.9 var(--mono);
  color: var(--muted);
}

.guide-list a {
  font: 600 19px/1.4 var(--cond);
  color: var(--ink);
}

.guide-list p {
  margin: 0;
  color: var(--ink-2);
}

.pager {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--cond);
  font-weight: 600;
}

.facts-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .guide-list li {
    grid-template-columns: 3ch minmax(0, 1fr);
  }

  .guide-list p {
    grid-column: 2;
  }
}

/* Home: steps and photos */

.steps {
  padding: 24px 0 8px;
}

.steps ol {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 40px;
  margin: 24px 0 0;
  padding: 0;
}

.steps li {
  counter-increment: step;
  border-top: 1px solid var(--ink);
  padding: 16px 0 8px;
}

.steps li::before {
  content: counter(step);
  font: 500 14px var(--mono);
  color: var(--red);
}

.steps h3 {
  font: 600 20px var(--cond);
  margin: 6px 0 8px;
}

.steps p {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink-2);
}

.photos {
  padding: 40px 0 8px;
}

.section-note {
  max-width: 46em;
  margin: 8px 0 20px;
  color: var(--ink-2);
  font-size: 15.5px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.photo {
  margin: 0;
}

.photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: var(--paper-2);
}

.photo figcaption {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.model-figure .photo {
  margin-top: 28px;
}

.pg-help {
  align-self: center;
  margin-right: 4px;
  font-size: 14px;
  color: var(--ink-2);
}

@media (max-width: 960px) {
  .photo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .steps ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .photo-grid {
    gap: 14px;
  }
}