/* controls: buttons, slider rows, segments, tab-bar, shape-grid */

.panel-btn {
  font: inherit;
  font-size: 13px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 7px 9px;
  cursor: pointer;
  width: 100%;
  margin-bottom: 6px;
}

.panel-btn:hover {
  background: #efe6da;
}

.panel-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.panel-btn.on {
  background: var(--tube);
  border-color: var(--tube);
  color: #fff;
}

.panel-btn:disabled {
  opacity: 0.45;
  cursor: default;
}

.button-row {
  display: flex;
  gap: 6px;
}

.button-row > * {
  flex: 1;
}

.number-input {
  width: 66px;
  font: inherit;
  font-size: 12.5px;
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  text-align: right;
}

input[type=range].full-width {
  width: 100%;
}

.shape-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  margin-bottom: 6px;
}

.shape-btn {
  font: inherit;
  font-size: 10.5px;
  line-height: 1.2;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 7px;
  padding: 5px 2px 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
}

.shape-btn svg {
  width: 44px;
  height: 34px;
}

.shape-btn svg .svg-base {
  fill: #e3ddd2;
}

.shape-btn svg .svg-profile {
  fill: rgba(42, 85, 201, 0.22);
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.shape-btn svg text {
  font-size: 7px;
  fill: var(--muted);
}

.shape-btn:hover {
  background: #efe6da;
}

.shape-btn.on {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  background: #eef2fc;
}

.segment-control {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  margin: 4px 0 6px;
}

.segment-control button {
  font: inherit;
  font-size: 11.5px;
  border: 0;
  background: #fff;
  color: var(--ink);
  padding: 6px 2px;
  cursor: pointer;
}

.segment-control button + button {
  border-left: 1px solid var(--line);
}

.segment-control button.on {
  background: var(--accent);
  color: #fff;
}

.tab-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin: 0 0 10px;
}

.tab-bar button {
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  border: 0;
  background: #fff;
  color: var(--ink);
  padding: 8px 4px;
  cursor: pointer;
}

.tab-bar button + button {
  border-left: 1px solid var(--line);
}

.tab-bar button.on {
  background: var(--accent);
  color: #fff;
}

.freeform-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 8px 0 2px;
}

.freeform-tool {
  font: inherit;
  font-size: 13px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 7px;
  padding: 9px 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.freeform-tool:hover {
  background: #efe6da;
}

.freeform-tool .key-hint {
  font-size: 11px;
  color: var(--muted);
}

.freeform-tool.on {
  color: #fff;
}

.freeform-tool.on .key-hint {
  color: rgba(255, 255, 255, 0.8);
}

.freeform-tool[data-tool=add].on {
  background: #3d8a4f;
  border-color: #3d8a4f;
}

.freeform-tool[data-tool=remove].on {
  background: #b4432f;
  border-color: #b4432f;
}

.freeform-tool[data-tool=smooth].on {
  background: #2a6fc9;
  border-color: #2a6fc9;
}

.freeform-tool[data-tool=drag].on {
  background: #c8841e;
  border-color: #c8841e;
}

.brush-shapes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
}

.brush-shape {
  font: inherit;
  font-size: 11px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 7px;
  padding: 5px 2px 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.brush-shape svg {
  width: 44px;
  height: 18px;
}

.brush-shape svg path {
  fill: rgba(42, 85, 201, 0.14);
  stroke: var(--accent);
  stroke-width: 1.6;
}

.brush-shape:hover {
  background: #efe6da;
}

.brush-shape.on {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  background: #eef2fc;
}

.slider-row select.is-selected {
  grid-column: 2 / 4;
  width: 100%;
  text-align: left;
  background: #fff;
}

.option-group {
  border-top: 1px dashed var(--line);
  margin-top: 8px;
  padding-top: 2px;
}

.option-group[hidden] {
  display: none;
}

.panel-btn.hold-btn {
  user-select: none;
}

.panel-btn.hold-btn:active {
  background: #efe6da;
}

.slider-row {
  display: grid;
  grid-template-columns: 96px 1fr 58px;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  margin: 7px 0;
}

.slider-row input[type=range] {
  width: 100%;
}

.slider-row .number-input {
  width: 58px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  margin: 6px 0;
}