:root {
  color-scheme: light;
  --accent-color: hsl(0, 0%, 0%);
  --accent-color-contrast: hsl(0, 0%, 55%);
  --background-color: hsl(0, 0%, 96%);
  --background-color-contrast: hsl(0, 0%, 90%);
  --background-color-contrast-more: hsl(0, 0%, 65%);
  --background-color-graph: hsl(0, 0%, 100%);
  --background-color-overlay: hsl(0, 0%, 85%);
  --background-color-inputs: hsl(0, 0%, 100%);
  --font-color-primary: hsl(0, 0%, 10%);
  --font-color-secondary: hsl(0, 0%, 100%);
  --font-color-inputs: hsl(0, 0%, 50%);
  --font-primary: "Open Sans", Arial, sans-serif;
  --font-secondary: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ui-radius: 6px;
  --ui-radius-small: 4px;
  --ui-radius-panel: 10px;
  --ui-radius-pill: 999px;
  --scrollbar-color: 255,255,255;
  --scrollbar-accent: 0,0,0;
}

* {
  box-sizing: border-box;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
  background-color: rgba(var(--scrollbar-color), 0.1);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background-color: rgba(var(--scrollbar-accent), 0.12);
  border-radius: 10px;
}

html,
body {
  margin: 0;
  width: 100vw;
  min-height: 100vh;
  background-color: var(--background-color);
  color: var(--font-color-primary);
  font-family: var(--font-primary);
  font-size: 14px;
  line-height: 1em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button {
  appearance: none;
  box-sizing: border-box;
  height: 36px;
  margin: 0;
  padding: 0 14px;
  background-color: var(--background-color);
  border: 1px solid var(--background-color-contrast-more);
  border-radius: var(--ui-radius);
  color: var(--accent-color-contrast);
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1em;
  white-space: nowrap;
}

button:hover:not(:disabled),
button:focus-visible:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--font-color-primary);
  outline: none;
}

button:hover:active:not(:disabled),
button:active:not(:disabled) {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

button:disabled {
  background-color: var(--background-color);
  border-color: var(--background-color-contrast);
  color: var(--background-color-contrast-more);
  cursor: not-allowed;
  opacity: 1;
}

.app {
  display: grid;
  grid-template-rows: 48px auto minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

body.dragging-file .app {
  outline: 2px solid var(--accent-color);
  outline-offset: -2px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  padding: 0 16px;
  background-color: var(--font-color-primary);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--background-color-graph);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1em;
}

h2 {
  color: var(--background-color-contrast-more);
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1em;
  text-transform: uppercase;
}

.topbar p {
  color: var(--background-color-contrast-more);
  font-size: 12px;
  line-height: 1em;
  margin-top: 4px;
}

.actions {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: flex-start;
  min-width: 0;
  padding: 16px;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--background-color-contrast);
}

.file-input {
  display: none;
}

.tool-control,
.dpi-control {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 36px;
  padding-left: 16px;
  border-left: 1px solid var(--background-color-contrast-more);
  color: var(--background-color-contrast-more);
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 700;
  line-height: 1em;
  text-transform: uppercase;
}

.tool-control input,
.dpi-control input {
  box-sizing: border-box;
  width: 78px;
  height: 36px;
  padding: 8px 4px;
  background-color: var(--background-color-inputs);
  border: 1px solid var(--background-color-contrast-more);
  border-radius: var(--ui-radius);
  color: var(--font-color-inputs);
  font-family: var(--font-secondary);
  font-size: 11px;
  line-height: 1em;
  text-align: center;
  text-transform: uppercase;
}

.input-prefix {
  display: none;
  margin-right: -6px;
  color: var(--font-color-inputs);
  font-family: var(--font-secondary);
  font-size: 11px;
  line-height: 1em;
}

.smoothing-control[data-smoothing-type="octave"] .input-prefix {
  display: inline;
}

.tool-control input:focus,
.dpi-control input:focus {
  border-color: var(--accent-color);
  outline: none;
}

#normalizeHz {
  width: 86px;
}

#smoothLevel {
  width: 76px;
}

.actions button {
  height: 36px;
  padding: 0 16px;
  background-color: var(--background-color) !important;
  border: 1px solid var(--background-color-contrast-more);
  border-radius: var(--ui-radius);
  color: var(--accent-color-contrast);
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: 400;
  line-height: 1em;
  text-transform: capitalize;
}

.actions button:hover:not(:disabled),
.actions button:focus-visible:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--font-color-primary);
}

.actions button:hover:active:not(:disabled),
.actions button:active:not(:disabled) {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

.actions button.selected {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

.actions button.selected:hover:not(:disabled),
.actions button.selected:focus-visible:not(:disabled),
.actions button.selected:hover:active:not(:disabled),
.actions button.selected:active:not(:disabled) {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

.actions button:disabled,
.actions button:disabled:hover,
.actions button:disabled:active {
  background-color: var(--background-color) !important;
  border-color: var(--background-color-contrast);
  color: var(--background-color-contrast-more);
}

.workspace {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  background-color: var(--background-color-contrast);
  border-right: 1px solid var(--background-color);
  overflow: hidden;
}

.chart-card {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
  background-color: var(--background-color-graph);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 12px 14px;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--background-color-contrast);
}

.panel-head span {
  color: var(--font-color-inputs);
  font-family: var(--font-secondary);
  font-size: 10px;
  font-weight: 700;
  line-height: 1em;
  text-transform: uppercase;
}

.curve-list {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 0;
  overflow: auto;
  padding: 10px;
}

.curve-list.empty {
  align-content: center;
  color: var(--font-color-inputs);
  font-size: 12px;
  justify-content: center;
}

.curve-row {
  display: grid;
  gap: 6px;
  padding: 10px;
  background-color: var(--background-color-inputs);
  border: 1px solid var(--background-color-contrast);
  border-radius: var(--ui-radius);
}

.curve-row.hidden-curve {
  opacity: 0.55;
}

.curve-row.baseline-curve {
  border-color: var(--font-color-primary);
}

.curve-title {
  display: grid;
  align-items: center;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 8px;
  min-width: 0;
}

.curve-controls {
  display: flex;
  gap: 6px;
}

.curve-controls button {
  height: 28px;
  padding: 0 10px;
  background-color: var(--background-color) !important;
  border: 1px solid var(--background-color-contrast-more);
  border-radius: var(--ui-radius-small);
  color: var(--accent-color-contrast);
  font-size: 11px;
  font-weight: 400;
}

.curve-controls button.selected {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

.curve-controls button:hover:not(:disabled),
.curve-controls button:focus-visible:not(:disabled) {
  border-color: var(--accent-color);
  color: var(--font-color-primary);
}

.curve-controls button:hover:active:not(:disabled),
.curve-controls button:active:not(:disabled),
.curve-controls button.selected:hover:not(:disabled),
.curve-controls button.selected:focus-visible:not(:disabled),
.curve-controls button.selected:hover:active:not(:disabled),
.curve-controls button.selected:active:not(:disabled) {
  background-color: var(--accent-color) !important;
  border-color: var(--accent-color);
  color: var(--font-color-secondary);
}

.swatch {
  appearance: none;
  width: 12px;
  height: 12px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--background-color-contrast-more);
  border-radius: 50%;
  cursor: pointer;
  overflow: hidden;
}

.swatch::-webkit-color-swatch-wrapper {
  padding: 0;
}

.swatch::-webkit-color-swatch {
  border: 0;
  border-radius: 50%;
}

.swatch::-moz-color-swatch {
  border: 0;
  border-radius: 50%;
}

.curve-name {
  width: 100%;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--ui-radius-small);
  overflow: hidden;
  color: var(--font-color-primary);
  font-family: var(--font-secondary);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.curve-name:focus {
  padding: 2px 4px;
  background-color: var(--background-color-inputs);
  border-color: var(--accent-color);
  outline: none;
}

.curve-meta,
.curve-warning {
  color: var(--font-color-inputs);
  font-family: var(--font-secondary);
  font-size: 10px;
  line-height: 1.25em;
}

.curve-warning {
  color: hsl(35, 70%, 38%);
}

#chart {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  background-color: var(--background-color-graph);
  color: var(--font-color-primary);
}

.status {
  min-height: 38px;
  padding: 12px 16px;
  background-color: var(--background-color);
  border-top: 1px solid var(--background-color-contrast);
  color: var(--font-color-inputs);
  font-size: 12px;
  line-height: 1.2em;
}

@media (max-width: 860px) {
  .app {
    grid-template-rows: auto auto minmax(0, 1fr);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 14px;
  }

  .actions {
    justify-content: flex-start;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(130px, 220px) minmax(0, 1fr);
  }

  .panel {
    border-right: none;
    border-bottom: 1px solid var(--background-color);
  }
}