@font-face {
  font-family: "Montserrat";
  src: url("../fonts/Montserrat-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: "Montserrat";
  src: url("../fonts/Montserrat-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: "Montserrat";
  src: url("../fonts/Montserrat-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: block;
}

:root {
  color-scheme: light dark;
  --ink: rgb(20, 20, 20);
  --body: rgba(0, 0, 0, 0.78);
  --muted: rgba(0, 0, 0, 0.55);
  --line: rgba(0, 0, 0, 0.12);
  --line-soft: var(--line-soft);
  --line-input: var(--line-input);
  --line-strong: rgba(0, 0, 0, 0.5);
  --page: #f3f3f3;
  --paper: #ffffff;
  --well: #f3f3f3;
  --hover: #333;
  --shadow: var(--line-soft);
  --ok: #1a7f37;
  --fail: #c62828;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: rgb(236, 236, 236);
    --body: rgba(255, 255, 255, 0.78);
    --muted: rgba(255, 255, 255, 0.55);
    --line: rgba(255, 255, 255, 0.14);
    --line-soft: rgba(255, 255, 255, 0.1);
    --line-input: rgba(255, 255, 255, 0.25);
    --line-strong: rgba(255, 255, 255, 0.5);
    --page: #121212;
    --paper: #1c1c1c;
    --well: #262626;
    --hover: #d0d0d0;
    --shadow: rgba(0, 0, 0, 0.5);
    --ok: #5ccb7a;
    --fail: #ff7b7b;
  }
}

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

html {
  height: 100%;
}

body {
  min-height: 100%;
  font-family: "Montserrat", sans-serif;
  color: var(--ink);
  background-color: var(--page);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: grid;
  place-items: start center;
  padding: 1.25rem 1rem;
}

[hidden] {
  display: none !important;
}

.main {
  width: 100%;
  max-width: 66rem;
  background: var(--paper);
  box-shadow: 0 0.75rem 2.5rem var(--shadow);
  border-radius: 0.375rem;
  overflow: hidden;
  display: grid;
  grid-template-columns: 24rem 1fr;
  grid-template-areas:
    "header header"
    "left right"
    "footer footer";
}

.header {
  grid-area: header;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: 1.125rem 2.75rem;
  border-bottom: 1px solid var(--line-soft);
}

.name {
  font-size: 1.25rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 700;
}

.tagline {
  font-size: 0.8125rem;
  color: var(--muted);
}

.left {
  grid-area: left;
}

.right {
  grid-area: right;
  border-left: 1px solid var(--line-soft);
}

.right .contentBlock {
  position: sticky;
  top: 0;
}

.sidebarBlock {
  padding: 1.25rem 2rem 1.25rem 2.75rem;
}

.sidebarBlock + .sidebarBlock {
  border-top: 1px solid var(--line-soft);
}

.sidebarHeading,
.contentHeading {
  font-size: 1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 700;
  margin: 0 0 0.75rem;
}

.contentBlock {
  padding: 1.25rem 2.75rem;
}

.contentHeading {
  letter-spacing: 0.3em;
}


.field {
  display: grid;
  gap: 0.375rem;
  margin-bottom: 1rem;
}

.field > span,
legend,
.hint,
.stats,
.payload {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--body);
}

.field > span,
legend {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.6875rem;
  color: var(--muted);
}

textarea,
select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"] {
  width: 100%;
  padding: 0.5rem 0.625rem;
  font: inherit;
  font-size: 0.8125rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line-input);
  border-radius: 0.125rem;
}

textarea:focus,
select:focus,
input:focus {
  outline: none;
  border-color: var(--ink);
}

input[type="file"] {
  font-size: 0.8125rem;
  color: var(--body);
}

input[type="file"]::file-selector-button {
  margin-right: 0.75rem;
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink);
  border-radius: 0.125rem;
  cursor: pointer;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
}

input[type="color"] {
  width: 100%;
  height: 2.25rem;
  padding: 0.125rem;
  background: var(--paper);
  border: 1px solid var(--line-input);
  border-radius: 0.125rem;
}

input[type="checkbox"] {
  accent-color: var(--ink);
}

.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.25rem 0 1rem;
  font-size: 0.8125rem;
  color: var(--body);
}

.row {
  display: flex;
  gap: 0.75rem;
}

.row > * {
  flex: 1;
}

.row.stamp select {
  flex: 0 0 4.5rem;
}

.payload {
  margin: 0 0 1rem;
  padding: 0.5rem 0.625rem;
  white-space: pre-wrap;
  word-break: break-all;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  background: var(--well);
  border-radius: 0.125rem;
}

.modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin: 0 0 0.75rem;
  border: 0;
}

.modes legend {
  margin-bottom: 0.5rem;
}

.modes label {
  flex: 1 1 0;
  min-width: 0;
}

.modes input {
  position: absolute;
  opacity: 0;
}

.modes span {
  display: block;
  padding: 0.5rem 0.25rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  text-align: center;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0.125rem;
  cursor: pointer;
}

.modes input:checked + span {
  background: var(--ink);
  color: var(--paper);
}

.modes input:focus-visible + span {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.hint {
  margin: 0 0 1.25rem;
}

.canvas {
  aspect-ratio: 1;
  width: min(100%, 32rem, 100vh - 17rem);
  min-width: 14rem;
  background: var(--well);
  border-radius: 0.125rem;
}

.canvas > div,
.canvas svg {
  width: 100%;
  height: 100%;
}

.stats {
  margin: 0.75rem 0 0.125rem;
}

.badge {
  min-height: 1.6em;
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge[data-state="ok"] {
  color: var(--ok);
}

.badge[data-state="fail"] {
  color: var(--fail);
}

.downloads {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
}

.downloadsLabel {
  margin-right: 0.5rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

button {
  padding: 0.625rem 1.125rem;
  font: inherit;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 0.125rem;
  cursor: pointer;
}

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

.footer {
  grid-area: footer;
  padding: 1.25rem 2.75rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--muted);
}

.link {
  color: inherit;
  text-decoration: none;
}

.link:hover {
  border-bottom: 1px solid var(--line-strong);
}

@media screen and (max-width: 53.75rem) {
  .main {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "right"
      "left"
      "footer";
  }

  .right {
    border-left: none;
    border-bottom: 1px solid var(--line-soft);
  }

  .header,
  .sidebarBlock,
  .contentBlock {
    padding: 1.25rem 1.5rem;
  }

  .right .contentBlock {
    position: static;
  }

  .modes label {
    flex: 1 1 40%;
  }

  .canvas {
    width: min(100%, 32rem);
  }

  .footer {
    padding: 1rem 1.5rem;
  }
}