:root {
  --blue: #0000ee;
  --red: #cc0000;
  --ink: #111111;
  --paper: #ffffff;
  --line: #d9d9d9;
  --muted: #777777;
  --soft: #f7f7f4;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Verdana, Geneva, Arial, sans-serif;
  font-size: 11px;
  overflow: hidden;
}

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px 12px 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  white-space: nowrap;
  overflow-x: auto;
}

.brand {
  color: var(--blue);
  font-weight: bold;
  font-size: 13px;
  letter-spacing: 5px;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: baseline;
  gap: 7px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav a {
  color: var(--red);
  text-decoration: none;
}

.nav a:hover {
  text-decoration: underline;
}

.nav .current {
  color: var(--blue);
  font-weight: bold;
}

.nav small {
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0;
  text-transform: lowercase;
}

.workspace {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 0;
  flex: 1;
}

.panel {
  border-right: 1px solid var(--line);
  padding: 16px 18px 32px 24px;
  overflow-y: auto;
  background: var(--paper);
}

section + section {
  margin-top: 22px;
}

h2 {
  margin: 0 0 10px;
  color: var(--blue);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

label {
  display: block;
  margin-bottom: 12px;
}

label span {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--red);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

output {
  color: var(--blue);
  font-size: 10px;
  letter-spacing: 0;
  text-transform: none;
}

select,
button {
  width: 100%;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: var(--paper);
  color: var(--blue);
  font: inherit;
  padding: 6px 8px;
}

button {
  border-color: var(--red);
  color: var(--red);
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
}

button:hover,
button.active {
  background: var(--red);
  color: var(--paper);
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

input[type="range"] {
  width: 100%;
  height: 18px;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 2px;
  background: var(--ink);
}

input[type="range"]::-webkit-slider-thumb {
  width: 10px;
  height: 14px;
  margin-top: -6px;
  appearance: none;
  border: 1px solid var(--red);
  background: var(--paper);
}

input[type="range"]::-moz-range-track {
  height: 2px;
  background: var(--ink);
}

input[type="range"]::-moz-range-thumb {
  width: 8px;
  height: 12px;
  border: 1px solid var(--red);
  border-radius: 0;
  background: var(--paper);
}

.button-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.file-drop {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  border: 1px dashed var(--red);
  background: var(--soft);
  color: var(--red);
  cursor: pointer;
}

.file-drop input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.file-drop span {
  margin: 0;
  color: var(--red);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input {
  width: 13px;
  height: 13px;
  accent-color: var(--red);
}

.checkbox-row span {
  display: inline;
  margin: 0;
}

.color-row {
  display: grid;
  grid-template-columns: 1fr 42px;
  align-items: center;
  gap: 10px;
}

.color-row span {
  margin: 0;
}

input[type="color"] {
  width: 42px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--ink);
  background: var(--paper);
  cursor: pointer;
}

input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 2px;
}

input[type="color"]::-webkit-color-swatch {
  border: 0;
}

.status {
  min-height: 16px;
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 1px;
}

.stage-wrap {
  position: relative;
  min-width: 0;
  background: #080808;
}

#stage {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  pointer-events: none;
}

@media (max-width: 760px) {
  body {
    overflow: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(360px, 56vh) auto;
  }

  .panel {
    grid-row: 2;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .stage-wrap {
    grid-row: 1;
  }
}