:root {
  color-scheme: light;
  --ink: #252520;
  --muted: #6f6d63;
  --paper: #f2f0e8;
  --panel: #fbfaf5;
  --line: #cfcdc2;
  --shadow: rgba(50, 48, 38, 0.13);
  --accent: #c94732;
  --accent-dark: #9b3022;
  --key: #deddd4;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(255,255,255,.78), transparent 35rem),
    var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
}

button, input { font: inherit; }
button, .button-like { cursor: pointer; }

.masthead, main, footer { width: min(1380px, calc(100% - 48px)); margin-inline: auto; }

.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 58px 0 34px;
  border-bottom: 1px solid var(--line);
}

.eyebrow, .kicker {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: .73rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(2.7rem, 7vw, 6.6rem); letter-spacing: -.065em; line-height: .9; }
h2 { margin: 0; font-size: 1.45rem; letter-spacing: -.03em; }
.lede { max-width: 690px; margin: 22px 0 0; color: var(--muted); font-size: 1.1rem; line-height: 1.55; }
.badge { flex: 0 0 auto; border: 1px solid var(--ink); border-radius: 100%; padding: 22px 14px; font: 700 .75rem/1 ui-monospace, monospace; transform: rotate(7deg); }

main { padding: 34px 0 70px; }
.project-hero { margin-bottom: 18px; }
.mosaic-browser {
  border: 2px solid #111;
  background: #c9c9c9;
  box-shadow: inset 1px 1px #fff, inset -1px -1px #696969, 4px 4px 0 rgba(0,0,0,.55);
  font-family: Arial, Helvetica, sans-serif;
}
.mosaic-titlebar {
  min-height: 25px;
  display: grid;
  grid-template-columns: 20px 1fr 20px;
  align-items: center;
  gap: 6px;
  padding: 3px 5px;
  border-bottom: 1px solid #111;
  background: #000080;
  color: #fff;
  font-size: 12px;
  letter-spacing: .01em;
  text-align: center;
}
.mosaic-window-menu, .mosaic-window-controls {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border: 1px solid #fff;
  background: #c9c9c9;
  color: #111;
  box-shadow: inset 1px 1px #fff, inset -1px -1px #555;
}
.mosaic-window-menu::after { content: "−"; line-height: 1; }
.mosaic-menubar { display: flex; gap: 22px; padding: 5px 10px; border-bottom: 1px solid #777; font-size: 11px; }
.mosaic-toolbar { display: flex; flex-wrap: wrap; gap: 7px; padding: 7px 9px; border-bottom: 1px solid #777; }
.mosaic-toolbar span {
  min-width: 72px;
  padding: 5px 8px;
  border: 1px solid #111;
  background: #d6d6d6;
  box-shadow: inset 1px 1px #fff, inset -1px -1px #777;
  font-size: 10px;
  font-weight: 700;
  text-align: center;
}
.mosaic-location { display: flex; align-items: center; gap: 8px; padding: 6px 9px; border-bottom: 1px solid #777; font-size: 10px; }
.mosaic-location code { flex: 1; overflow: hidden; padding: 4px 7px; border: 2px inset #ddd; background: #fff; color: #111; font: 10px/1.2 "Courier New", monospace; white-space: nowrap; text-overflow: ellipsis; }
.mosaic-document {
  display: grid;
  grid-template-columns: minmax(0, 1.42fr) minmax(280px, .58fr);
  gap: 27px;
  align-items: center;
  margin: 8px;
  padding: 21px;
  border: 2px inset #ddd;
  background: #fff;
}
.mosaic-document figure { margin: 0; }
.mosaic-document img { display: block; width: 100%; border: 1px solid #777; background: #eee; }
.mosaic-document figcaption { margin-top: 7px; color: #444; font: 11px/1.35 "Times New Roman", Times, serif; }
.project-story { font-family: "Times New Roman", Times, serif; }
.project-story .kicker { color: #111; font: 700 11px/1.2 Arial, sans-serif; }
.project-story h2 { max-width: 440px; font: 700 clamp(1.7rem, 3vw, 2.8rem)/1.02 "Times New Roman", Times, serif; letter-spacing: -.035em; }
.project-story p:not(.kicker) { color: #111; font-size: 1rem; line-height: 1.42; }
.project-story a { color: #0000ee; font-weight: 400; text-decoration: underline; }
.project-story a:visited { color: #551a8b; }
.mosaic-statusbar { display: flex; justify-content: space-between; gap: 20px; margin: 0 8px 8px; padding: 5px 8px; border: 2px inset #ddd; background: #ddd; font-size: 9px; }
.studio { display: grid; grid-template-columns: minmax(390px, .78fr) minmax(520px, 1.22fr); gap: 16px; }
.layout-panel { grid-column: 1 / -1; }
.panel { background: color-mix(in srgb, var(--panel) 93%, transparent); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 12px 30px var(--shadow); padding: 22px; }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.section-heading.compact { margin-bottom: 12px; }
.text-button { border: 0; background: none; color: var(--accent-dark); padding: 4px; font-size: .8rem; font-weight: 700; }

.keyboard-layout { overflow-x: auto; padding: 2px 2px 12px; }
.key-row { min-width: 665px; display: grid; grid-template-columns: repeat(16, 1fr); gap: 5px; }
.key-row + .key-row { margin-top: 11px; }
.row-label { grid-column: 1 / -1; color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.key-slot { min-height: 58px; padding: 5px 2px 4px; border: 1px solid #aaa89f; border-radius: 5px; background: linear-gradient(#f9f8f2, var(--key)); box-shadow: inset 0 -2px 0 #c3c1b8, 0 2px 3px rgba(0,0,0,.08); color: var(--ink); }
.key-slot img { display: block; width: 25px; height: 22px; margin: 1px auto 2px; object-fit: contain; }
.key-slot span { display: block; font-size: .64rem; font-weight: 700; white-space: nowrap; }
.key-slot.selected { border-color: var(--accent); outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent); background: #fff8ee; }
.key-slot.blank img { opacity: .12; }
.selected-summary { display: flex; align-items: center; gap: 9px; margin-top: 10px; color: var(--muted); font-size: .82rem; }
.indicator { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(201,71,50,.12); }

.icon-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.icon-choice { aspect-ratio: 1.2; border: 1px solid var(--line); border-radius: 8px; background: #fff; padding: 8px 4px 5px; color: var(--muted); font-size: .62rem; }
.icon-choice img { width: 34px; height: 27px; display: block; object-fit: contain; margin: 0 auto 5px; }
.icon-choice.selected { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); color: var(--ink); }
.upload-control { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
.upload-control input { max-width: 150px; font-size: .68rem; }

.preview { min-height: 260px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: radial-gradient(circle at 50% 30%, #fff, #d8d5c9); }
.preview canvas { display: block; width: 100%; height: 100%; }
.status { color: #397046; font: 700 .7rem/1 ui-monospace, monospace; }
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 17px 0; }
.controls label { color: var(--muted); font-size: .76rem; font-weight: 700; }
.controls output { float: right; color: var(--ink); font-variant-numeric: tabular-nums; }
.controls input { width: 100%; margin: 10px 0 0; accent-color: var(--accent); }
.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.actions button, .button-like { min-height: 42px; display: grid; place-items: center; border: 1px solid #aaa89f; border-radius: 7px; background: #f7f6f0; color: var(--ink); font-size: .75rem; font-weight: 750; text-align: center; padding: 8px 12px; }
.actions .primary { background: var(--ink); border-color: var(--ink); color: white; }
.button-like input { display: none; }
.fine-print { margin: 13px 0 0; color: var(--muted); font-size: .68rem; line-height: 1.45; }

.downloads { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; margin-top: 56px; padding-top: 34px; border-top: 1px solid var(--line); }
.downloads p:not(.kicker) { color: var(--muted); line-height: 1.55; }
.download-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.download-cards a { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 20px; border: 1px solid var(--line); border-radius: 11px; background: var(--panel); color: inherit; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.download-cards a:hover { transform: translateY(-2px); box-shadow: 0 10px 20px var(--shadow); }
.file-type { grid-row: 1 / 3; align-self: center; padding: 9px 6px; border: 1px solid var(--ink); font: 800 .62rem/1 ui-monospace, monospace; }
.download-cards strong { font-size: .86rem; }
.download-cards small { color: var(--muted); }
.notes { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 42px; border-block: 1px solid var(--line); }
.notes div { display: grid; gap: 5px; padding: 20px; font-size: .75rem; }
.notes div + div { border-left: 1px solid var(--line); }
.notes span { color: var(--muted); }
footer { padding: 18px 0 30px; color: var(--muted); font-size: .67rem; }
.site-version { margin-left: .45em; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-weight: 700; white-space: nowrap; }

/* System 7 presentation layer */
:root {
  --ink: #111;
  --muted: #4b4b4b;
  --paper: #777;
  --panel: #dedede;
  --line: #111;
  --shadow: rgba(0, 0, 0, .38);
  --accent: #111;
  --accent-dark: #111;
  --key: #d7d7d7;
}

body {
  background-color: #777;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.035) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.035) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,.035) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,.035) 75%);
  background-size: 4px 4px;
  background-position: 0 0, 0 2px, 2px -2px, -2px 0;
  font-family: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  image-rendering: auto;
}

.menu-bar {
  position: sticky;
  z-index: 20;
  top: 0;
  height: 25px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 14px;
  border-bottom: 1px solid #000;
  background: #fff;
  color: #000;
  box-shadow: 0 1px 0 rgba(255,255,255,.5);
  font-size: 12px;
  user-select: none;
}

.menu-mark { font-size: 17px; line-height: 1; }
.menu-bar time { margin-left: auto; font-variant-numeric: tabular-nums; }

.masthead {
  align-items: center;
  width: min(1380px, calc(100% - 48px));
  margin-top: 28px;
  padding: 25px 28px 28px;
  border: 2px solid #000;
  background: #fff;
  box-shadow: 3px 3px 0 rgba(0,0,0,.65);
}

.masthead::before {
  content: "AEK Tile Studio — Read Me";
  position: absolute;
  left: 50%;
  top: 56px;
  transform: translateX(-50%);
  padding: 2px 12px;
  background: #fff;
  color: #000;
  font-size: 11px;
  font-weight: 700;
}

.masthead { position: relative; }
.masthead::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 5px;
  height: 12px;
  background: repeating-linear-gradient(to bottom, #000 0 1px, transparent 1px 3px);
  z-index: 0;
}

.masthead > * { position: relative; z-index: 1; }
.eyebrow, .kicker { color: #000; font-size: 10px; letter-spacing: .08em; }
h1 { font-family: Chicago, Charcoal, Geneva, sans-serif; font-size: clamp(2.6rem, 6vw, 5.2rem); letter-spacing: -.06em; }
.lede { color: #333; font-size: 14px; }
.badge { border: 2px solid #000; border-radius: 0; padding: 11px 13px; background: #dedede; box-shadow: inset 1px 1px 0 #fff, inset -1px -1px 0 #777, 2px 2px 0 #000; font: 700 10px/1.25 Geneva, sans-serif; text-align: center; transform: none; }

main { padding-top: 18px; }
.studio { gap: 11px; }
.panel {
  position: relative;
  padding: 34px 16px 16px;
  border: 2px solid #000;
  border-radius: 0;
  background: #dedede;
  box-shadow: inset 1px 1px 0 #fff, inset -1px -1px 0 #777, 3px 3px 0 rgba(0,0,0,.58);
}

.panel::before {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 4px;
  height: 15px;
  background: repeating-linear-gradient(to bottom, #000 0 1px, transparent 1px 3px);
  border-bottom: 1px solid #000;
}

.panel::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  top: 6px;
  left: 7px;
  background: #dedede;
  border: 1px solid #000;
  box-shadow: inset 1px 1px #fff, inset -1px -1px #777;
}

.section-heading { margin-bottom: 14px; }
.section-heading h2 { font-family: Chicago, Charcoal, Geneva, sans-serif; font-size: 16px; }
.kicker { margin-bottom: 4px; }
.text-button { border: 1px solid #000; padding: 5px 8px; background: #dedede; box-shadow: inset 1px 1px #fff, inset -1px -1px #777; font-size: 10px; }
.text-button:active { box-shadow: inset 1px 1px #777; transform: translate(1px, 1px); }

.key-slot {
  min-height: 55px;
  border: 1px solid #000;
  border-radius: 3px;
  background: #eee;
  box-shadow: inset 1px 1px 0 #fff, inset -2px -2px 0 #9b9b9b, 1px 1px 0 #000;
}
.key-slot.selected { border-color: #000; outline: 2px dotted #000; outline-offset: 2px; background: #fff; }
.indicator { border-radius: 0; background: #000; box-shadow: none; }
.icon-choice { border: 1px solid #000; border-radius: 0; background: #eee; box-shadow: inset 1px 1px #fff, inset -1px -1px #888; color: #333; }
.icon-choice.selected { border-color: #000; box-shadow: inset 2px 2px #777, inset -1px -1px #fff; background: #c7c7c7; color: #000; }
.upload-control { border-top: 1px solid #777; }
.preview { border: 2px inset #bcbcbc; border-radius: 0; background: #f7f7f7; }
.status { color: #000; border: 1px solid #000; background: #fff; padding: 3px 5px; }
.controls input { accent-color: #000; }
.actions button, .button-like {
  min-height: 40px;
  border: 1px solid #000;
  border-radius: 4px;
  background: #dedede;
  box-shadow: inset 1px 1px #fff, inset -2px -2px #777, 1px 1px #000;
  color: #000;
}
.actions button:active, .button-like:active { transform: translate(1px, 1px); box-shadow: inset 2px 2px #777; }
.actions .primary { border: 3px double #fff; outline: 2px solid #000; outline-offset: -1px; background: #000; color: #fff; box-shadow: none; }

.downloads {
  margin-top: 30px;
  padding: 26px;
  border: 2px solid #000;
  background: #fff;
  box-shadow: 3px 3px 0 rgba(0,0,0,.58);
}
.download-cards a { border: 1px solid #000; border-radius: 0; background: #dedede; box-shadow: inset 1px 1px #fff, inset -1px -1px #777; }
.download-cards a:hover { transform: none; box-shadow: inset 1px 1px #fff, inset -1px -1px #777, 2px 2px #000; }
.notes { border-color: #000; background: #dedede; box-shadow: 2px 2px #000; }
.notes div + div { border-color: #777; }
footer { color: #eee; text-shadow: 1px 1px #333; }

@media (max-width: 1150px) {
  .studio { grid-template-columns: 1fr 1fr; }
  .layout-panel { grid-column: 1 / -1; }
  .preview-panel { grid-column: 1 / -1; }
  .preview { min-height: 340px; }
}

@media (max-width: 760px) {
  .masthead, main, footer { width: min(100% - 24px, 1380px); }
  .masthead { padding-top: 34px; }
  .badge { display: none; }
  .studio, .downloads { grid-template-columns: 1fr; }
  .mosaic-document { grid-template-columns: 1fr; padding: 12px; }
  .mosaic-menubar { gap: 12px; overflow-x: auto; }
  .mosaic-toolbar span { min-width: 61px; }
  .layout-panel, .symbol-panel, .preview-panel { grid-column: auto; }
  .panel { padding: 17px; }
  .download-cards, .notes { grid-template-columns: 1fr; }
  .notes div + div { border-left: 0; border-top: 1px solid var(--line); }
  .actions, .controls { grid-template-columns: 1fr; }
  .icon-picker { grid-template-columns: repeat(3, 1fr); }
  .menu-bar span:not(.menu-mark), .menu-bar strong { display: none; }
  .masthead { width: min(100% - 24px, 1380px); margin-top: 14px; }
  .masthead::before { top: 42px; }
}