/* Keep the working board and review together on a normal laptop. The content
   width accounts for either sidebar state and for browser zoom. */
@container study-content (min-width: 780px) {
  .workspace {
    grid-template-columns: minmax(0, 1fr) clamp(300px, 32cqi, 380px);
    gap: clamp(16px, 2cqi, 28px);
    padding: 20px;
  }
  .workspace .position-workspace {
    display: block;
    max-width: min(100%, var(--board-fit, 960px));
  }
  .workspace .analysis-panel {
    position: sticky;
    top: 82px;
    border-left: 1px solid var(--line);
    padding-left: 18px;
    max-height: calc(100dvh - 105px);
    overflow: auto;
    width: auto;
    min-width: 0;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
  }
  .workspace .analysis-panel .analysis-tabs {
    position: sticky;
    top: 0;
    z-index: 3;
    background: var(--surface);
  }
}
.analysis-panel .analysis-tabs {
  gap: 4px;
}
.analysis-panel .analysis-tabs button {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  padding-inline: 4px;
}
.coach-journey .section-title {
  flex-wrap: wrap;
  gap: 10px;
}
.coach-journey #coach-color {
  max-width: 160px;
}
.coach-journey #coach-range {
  max-width: none;
}
#coach-progress {
  width: fit-content;
  padding: 4px 9px;
  border-radius: 4px;
  background: var(--raised);
  font-variant-numeric: tabular-nums;
}
#coach-progress:empty {
  display: none;
}
.analysis-panel .gm-coach-text {
  font-size: 13px;
  line-height: 1.75;
}
.piece-preview {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  max-width: 360px;
  margin: 8px 0 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.piece-preview .mini-square {
  aspect-ratio: 1;
}
.piece-preview img {
  width: 90%;
  height: 90%;
}
body:not([data-arrow-style='rounded']) .rounded-board-arrow,
body[data-arrow-style='rounded'] .solid-board-arrow {
  display: none;
}
#puzzle-promotion[open] {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  padding: clamp(12px, 4vw, 20px);
}
#puzzle-promotion > span,
#puzzle-promotion [data-cancel-promotion] {
  grid-column: 1 / -1;
}
#puzzle-promotion [data-piece] {
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  min-width: 56px;
}
#puzzle-promotion img {
  width: 42px;
  height: 42px;
}
.advanced-settings {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.advanced-settings summary,
.kit-editor summary {
  cursor: pointer;
  min-height: 44px;
  padding-block: 12px;
  font-weight: 650;
}
.advanced-settings select,
.advanced-settings input,
.advanced-settings .option-row {
  max-width: 100%;
}
.coach-range-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}
#coach-range {
  width: 100%;
  min-height: 44px;
  margin-block: 4px 12px;
}
.kit-heading,
.kit-list article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.kit-heading p,
.kit-list p {
  color: var(--muted);
  margin-top: 6px;
}
.kit-library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 20px;
}
.kit-library > section {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.kit-library h3 {
  font-size: 18px;
  margin-bottom: 12px;
}
.kit-list article {
  padding-block: 14px;
  border-bottom: 1px solid var(--line);
}
.kit-list article > div:first-child {
  flex: 1;
  min-width: 160px;
  overflow-wrap: anywhere;
}
.kit-editor form,
.kit-editor label,
#kit-session-actions label {
  display: grid;
  gap: 8px;
}
.kit-editor form {
  gap: 16px;
}
.kit-editor input,
.kit-editor textarea,
.kit-editor select,
#kit-answer {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}
.kit-lessons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
#study-kit button {
  min-height: 44px;
  white-space: normal;
}
.kit-session,
.kit-incoming {
  scroll-margin-top: 96px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  margin-block: 20px;
  background: var(--raised);
}
.kit-session[hidden] {
  display: none;
}
.kit-play {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.kit-play > * {
  min-width: 0;
}
#kit-board {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: min(100%, var(--board-fit, 640px), clamp(220px, calc(100svh - 240px), 640px));
  overflow: hidden;
  touch-action: none;
}
#kit-session-actions {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}
#kit-feedback,
[data-kit-status],
.kit-incoming p,
#kit-progress p {
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-line;
}
.kit-incoming p {
  margin-block: 12px;
}
@media (max-width: 800px) {
  .kit-library,
  .kit-play {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .kit-session,
  .kit-incoming {
    padding: 14px;
    scroll-margin-top: 160px;
  }
}