:root {
  --scrap-bg: #0c0c0c;
  --scrap-panel: rgba(0, 0, 0, 0.82);
  --scrap-line: #2a2a2a;
  --scrap-ink: #ddd;
  --scrap-ink-dim: #8a8a8a;
  --scrap-font: "SUSE Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

.scrap {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--scrap-bg);
  color: var(--scrap-ink);
  font-family: var(--scrap-font);
  font-size: 11px;
}

.scrap--clean {
  background: transparent;
}

.scrap--clean .panel,
.scrap--clean .topbar,
.scrap--clean .attribution {
  display: none;
}

.scrap__canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scrap__error {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  color: var(--scrap-ink-dim);
}

.panel {
  position: fixed;
  top: calc(var(--topbar-height) + 12px);
  right: 12px;
  width: 260px;
  max-height: calc(100vh - var(--topbar-height) - 60px);
  display: flex;
  flex-direction: column;
  background: var(--scrap-panel);
  border: 1px solid var(--scrap-line);
}

.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-bottom: 1px solid var(--scrap-line);
}

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

.panel__title {
  color: var(--scrap-ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.panel__toggle,
.panel__button {
  padding: 3px 8px;
  background: none;
  border: 1px solid var(--scrap-line);
  color: var(--scrap-ink);
  font: inherit;
  cursor: pointer;
}

.panel__toggle:hover,
.panel__button:hover {
  border-color: var(--scrap-ink);
}

.panel__body {
  overflow-y: auto;
  padding: 8px 10px 12px;
}

.panel--collapsed .panel__body {
  display: none;
}

.panel__section {
  margin: 14px 0 6px;
  color: var(--scrap-ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.control {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 8px;
  margin-bottom: 8px;
}

.control--toggle {
  align-items: center;
  margin: 0;
  padding: 8px 10px;
  border-bottom: 1px solid var(--scrap-line);
  color: var(--scrap-ink-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.control__slider:disabled {
  opacity: 0.4;
}

.control__value {
  color: var(--scrap-ink-dim);
}

.control__slider {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
  accent-color: var(--scrap-ink);
}

.stop {
  display: grid;
  grid-template-columns: 28px 1fr 38px 20px;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.stop__color {
  width: 28px;
  height: 22px;
  padding: 0;
  background: none;
  border: 1px solid var(--scrap-line);
}

.stop__slider {
  width: 100%;
  margin: 0;
  accent-color: var(--scrap-ink);
}

.stop__position {
  color: var(--scrap-ink-dim);
  text-align: right;
}

.stop__remove {
  padding: 0;
  background: none;
  border: 0;
  color: var(--scrap-ink-dim);
  font: inherit;
  cursor: pointer;
}

.stop__remove:hover {
  color: var(--scrap-ink);
}

.attribution {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  margin: 0;
  padding: 8px var(--page-gutter);
  background: var(--topbar);
  border-top: 1px solid var(--line);
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-align: center;
}

.attribution__link {
  color: var(--ink);
}

@media (max-width: 640px) {
  .panel {
    top: auto;
    right: 0;
    bottom: 33px;
    left: 0;
    width: auto;
    max-height: 45vh;
  }
}