.piece-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0.25rem;
  border-radius: 8px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1;
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.piece-drag-handle:active,
.piece-drag-handle.is-pointer-dragging {
  cursor: grabbing;
  background: var(--surface-soft);
  color: var(--accent-dark);
  transform: scale(1.08);
}

.piece-admin-card {
  transition: transform 0.2s cubic-bezier(.2,.8,.2,1), box-shadow 0.2s ease, opacity 0.2s ease;
}

.piece-admin-card.is-pointer-dragging {
  opacity: 0.26;
  transform: scale(0.985);
  box-shadow: inset 0 0 0 2px rgba(95, 143, 122, 0.24);
}

.piece-admin-card.is-drag-collapsed {
  min-height: 58px;
  padding-block: 0.55rem;
}

.piece-admin-card.is-drag-collapsed .piece-admin-main > :not(.piece-admin-kicker-row):not(h3),
.piece-admin-card.is-drag-collapsed .piece-admin-actions,
.piece-admin-card.is-drag-collapsed .piece-progress-editor {
  display: none !important;
}

.piece-admin-card.is-drag-collapsed .piece-admin-main {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.piece-admin-card.is-drag-collapsed .piece-admin-kicker-row {
  flex: 0 0 auto;
}

.piece-admin-card.is-drag-collapsed h3 {
  margin: 0;
  font-size: 1rem;
}

/* Keep the current-piece list quiet while the editor is open. */
.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-card {
  min-height: 58px;
  padding-block: 0.55rem;
}

.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-main > :not(.piece-admin-kicker-row):not(h3),
.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-actions,
.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-progress-editor {
  display: none !important;
}

.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-main {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-kicker-row {
  flex: 0 0 auto;
}

.student-edit-panel[data-student-edit-panel="pieces"].is-piece-editing .piece-admin-card h3 {
  margin: 0;
  font-size: 1rem;
}

.piece-admin-card.is-drop-settling {
  animation: pieceDropSettle 0.28s cubic-bezier(.2,.9,.25,1);
}

.piece-drag-ghost {
  position: fixed;
  z-index: 5000;
  pointer-events: none;
  margin: 0;
  opacity: 0.98;
  transform-origin: center center;
  transform: translate3d(0, -5px, 0) scale(1.035) rotate(-1.1deg);
  box-shadow: 0 22px 48px rgba(24, 40, 34, 0.26), 0 8px 18px rgba(24, 40, 34, 0.16);
  filter: saturate(1.03);
  transition: box-shadow 0.12s ease;
  will-change: top, left, transform;
}

.piece-drag-ghost .piece-drag-handle {
  cursor: grabbing;
  background: var(--surface-soft);
  color: var(--accent-dark);
}

@keyframes pieceDropSettle {
  0% {
    transform: scale(1.025) translateY(-4px);
    box-shadow: 0 14px 28px rgba(24, 40, 34, 0.18);
  }
  60% {
    transform: scale(0.995) translateY(1px);
  }
  100% {
    transform: none;
    box-shadow: none;
  }
}

/* Student editor piece workflow */
.student-modal-card > .card-heading.student-editor-header {
  width: 100%;
  box-sizing: border-box;
  background: var(--surface);
}

.student-editor-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
}

.student-editor-header .student-edit-tabs {
  width: 100%;
  margin: 0;
  padding-inline: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.student-editor-header .student-edit-tabs::-webkit-scrollbar {
  display: none;
}

.student-new-piece-panel .piece-form,
.student-current-edit-panel .piece-form {
  margin: 0;
}

.student-new-piece-panel .piece-form::before,
.student-current-edit-panel .piece-form::before {
  content: none;
}

.student-current-edit-panel {
  margin-bottom: 1rem;
}

.piece-publish-form-control {
  display: none !important;
}

.piece-admin-actions .piece-publish-toggle {
  flex: 1 0 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.piece-publish-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.piece-publish-switch {
  position: relative;
  width: 38px;
  height: 22px;
  flex: 0 0 38px;
  border-radius: 999px;
  background: var(--border-strong);
  transition: background 0.18s ease;
}

.piece-publish-switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 4px rgba(24, 40, 34, 0.24);
  transition: transform 0.18s ease;
}

.piece-publish-toggle input:checked + .piece-publish-switch {
  background: var(--accent);
}

.piece-publish-toggle input:checked + .piece-publish-switch::after {
  transform: translateX(16px);
}

.piece-publish-toggle input:focus-visible + .piece-publish-switch {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.piece-publish-toggle input:disabled + .piece-publish-switch {
  opacity: 0.55;
}

.student-status-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  width: fit-content;
  min-height: 40px;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
}

.student-status-toggle .piece-publish-switch {
  order: 0;
}

.student-status-toggle > span:last-child {
  order: 1;
}

.student-last-week-practice {
  display: grid;
  justify-items: end;
  gap: 0.1rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
  white-space: nowrap;
}

.student-last-week-practice strong {
  color: var(--accent-dark);
  font-size: 1.2rem;
  line-height: 1;
}

.student-last-week-practice span {
  color: var(--muted);
  font-size: 0.78rem;
}

.student-current-pieces-result:empty {
  display: none;
}

html[data-theme="dark"] .student-modal-card > .card-heading.student-editor-header {
  background: var(--surface);
}

@media (max-width: 720px) {
  .student-editor-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .student-editor-header > div:first-child {
    grid-column: 1;
  }

  .student-editor-header .student-edit-tabs {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    padding: 0.35rem 0 0;
  }

  .student-editor-header #closeStudentFormBtn {
    grid-column: 2;
    grid-row: 1;
  }

  .student-last-week-practice {
    justify-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .piece-admin-card,
  .piece-drag-handle,
  .piece-drag-ghost,
  .piece-publish-switch,
  .piece-publish-switch::after {
    transition: none;
  }

  .piece-admin-card.is-drop-settling {
    animation: none;
  }
}