/* Border Radius Generator: styles for this tool only. Shared styles live in /tools/shared/tools.css.
   The page shell (workspace, stage, right panel) comes from /tools/shared/css/pdf.css */

html,
body {
  overflow-x: clip;
}
body {
  font-variant-numeric: tabular-nums;
}
.br-scroll {
  flex: 1;
  padding: var(--space-4);
}
.br-main {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding-bottom: var(--space-8);
  display: grid;
  gap: var(--space-4);
}

/* Preview: the shape is drawn at its real size inside .br-fit, which is scaled down to fit narrow screens */
.br-preview {
  position: relative;
  overflow: hidden;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
}
.br-fit {
  position: absolute;
  transform-origin: 0 0;
}
.br-canvas {
  position: absolute;
}
.br-shape {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-accent) 22%, var(--color-surface));
  box-shadow: inset 0 0 0 1.5px var(--color-accent);
}
.br-handle {
  position: absolute;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  background: var(--color-surface);
  cursor: grab;
  touch-action: none;
  transition: scale 0.15s, background-color 0.15s;
}
.br-handle::after {
  content: ""; /* a larger invisible target for fingers */
  position: absolute;
  inset: -10px;
}
.br-handle:hover {
  scale: 1.2;
  background: color-mix(in srgb, var(--color-accent) 18%, var(--color-surface));
}
.br-handle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.br-handle:active,
.br-handle.is-dragging {
  scale: 0.9;
  cursor: grabbing;
  background: var(--color-accent);
}
.br-handle[hidden] {
  display: none;
}

.br-card {
  min-width: 0;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-2xl);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}
.br-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: var(--space-3) var(--space-6);
  min-width: 0;
}
/* Match the height of the segmented control beside it, so the slider is centred on the same line */
.br-controls .slider {
  min-height: 2.5rem;
}
.br-handles-row {
  align-self: end;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
}
.br-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-6);
  margin-bottom: var(--space-3);
}

/* Corners */
.br-corners {
  min-width: 0;
}
.br-corners-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.br-corners-title {
  margin: 0;
  font-size: var(--text-md);
  font-weight: var(--weight-regular);
  color: var(--color-ink);
}
.br-corners-head .icon {
  width: 16px;
  height: 16px;
}
.br-cols,
.br-corner {
  display: grid;
  grid-template-columns: 7rem 5.5rem minmax(0, 1fr) 5.5rem minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-3);
}
.br-cols .field-label {
  padding: 0 var(--space-1) var(--space-3);
  grid-column: span 2;
}
.br-cols .field-label:first-child {
  grid-column: 1;
}
.br-corner-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.br-corner-list > li + li {
  border-top: 0.5px solid var(--color-border);
}
.br-corner {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.br-corner-name {
  font-size: var(--text-sm);
  color: var(--color-ink);
}
.br-axis {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.br-unit {
  margin-left: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* Right panel */
.panel-body.br-presets-body {
  padding: 0 var(--space-6);
  gap: 0;
}
.br-preset-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.br-preset {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: calc(100% + 2 * var(--space-2));
  margin: 0 calc(-1 * var(--space-2));
  padding: var(--space-1) var(--space-2);
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: color var(--duration, 0.2s), background-color var(--duration, 0.2s), transform var(--duration, 0.2s);
}
.br-preset:hover {
  background: var(--color-field);
  color: var(--color-ink);
}
.br-preset:active {
  transform: scale(0.98);
}
.br-preset:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 0;
}
.br-preset-swatch {
  flex: none;
  width: 3rem;
  height: 2rem;
  margin: var(--space-1) 0;
  background: color-mix(in srgb, var(--color-accent) 22%, var(--color-surface));
  box-shadow: inset 0 0 0 1.5px var(--color-accent);
}
.panel-foot.br-code {
  gap: var(--space-4);
  border-top: 0.5px solid var(--color-border);
}
.br-code .field-label {
  padding: 0;
  font-weight: var(--weight-regular);
}
.br-code .br-line {
  display: grid;
  gap: var(--space-1);
}
.br-line-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
}
.br-line .field input {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}
.br-copy {
  flex: none;
  width: 7.5rem;
  justify-content: center;
}
.br-copy .icon {
  width: 16px;
  height: 16px;
}

.br-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
  text-align: left;
  cursor: default;
  pointer-events: none;
}
.br-toggle .icon {
  display: none;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--duration, 0.2s);
}

@media (prefers-reduced-motion: reduce) {
  .br-handle,
  .br-preset {
    transition: none;
  }
}

@media (max-width: 860px) {
  .br-toggle {
    cursor: pointer;
    pointer-events: auto;
  }
  .br-toggle .icon {
    display: block;
  }
  .br-toggle[aria-expanded="true"] .icon {
    transform: rotate(180deg);
  }
  .br-toggle:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }
  .panel.br-collapsed .br-presets-body {
    display: none;
  }
  .panel.br-collapsed .panel-head {
    padding-bottom: 0.75rem;
  }
  .panel-body.br-presets-body {
    max-height: 22vh;
    padding: 0 var(--space-4);
  }
  .br-code .br-line {
    flex: 1 1 100%;
  }
  .panel-foot.br-code {
    gap: var(--space-3);
  }
}

@media (max-width: 760px) {
  .br-card {
    padding: var(--space-4);
  }
  .br-controls {
    grid-template-columns: minmax(0, 1fr);
  }
  .br-cols {
    display: none;
  }
  /* Each corner stacks: its name, then a labelled number field with its slider underneath for each axis */
  .br-corner {
    grid-template-columns: minmax(0, 1fr) 5.5rem;
    row-gap: var(--space-2);
  }
  .br-corner-name {
    grid-column: 1 / -1;
  }
  .br-axis {
    display: block;
  }
  .br-corner .slider {
    grid-column: 1 / -1;
    margin-bottom: var(--space-3);
  }
}