.studio-management-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.studio-management-heading h2 {
  margin-bottom: 0.25rem;
}

.studio-management-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.studio-management-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.6fr);
  gap: 1rem;
  align-items: start;
}

.studio-teacher-overview,
.studio-student-assignments {
  display: grid;
  gap: 0.7rem;
}

.studio-teacher-form {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
}
.studio-teacher-form p { margin: 0; color: var(--muted); }
.studio-teacher-form label { display: grid; gap: 0.3rem; margin: 0; }
.studio-teacher-form input { width: 100%; }
.studio-teacher-form .button { justify-self: start; }
.studio-teacher-result:not(:empty) { margin: 0 0 0.75rem; }

.studio-teacher-card {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
}

.studio-teacher-avatar {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 50%;
  background: var(--brand-lilac-soft, #eee7f8);
  color: var(--accent-dark);
  font-weight: 800;
}

.studio-teacher-copy {
  display: grid;
  gap: 0.14rem;
  min-width: 0;
}

.studio-teacher-copy strong {
  overflow-wrap: anywhere;
}

.studio-teacher-copy span,
.studio-field-label {
  color: var(--muted);
  font-size: 0.78rem;
}

.studio-assignment-card {
  min-width: 0;
}

.studio-assignment-result {
  min-height: 1.25rem;
  margin: -0.35rem 0 0.7rem;
}

.studio-assignment-row {
  min-width: 0;
}

.studio-assignment-student {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-width: 0;
  min-height: 42px;
}

.studio-assignment-student strong {
  overflow-wrap: anywhere;
}

.studio-assignment-row .button {
  white-space: nowrap;
}

html[data-theme="dark"] :is(.studio-teacher-card, .studio-assignment-row) {
  background: var(--surface-soft);
  border-color: var(--border);
}

@media (max-width: 900px) {
  .studio-management-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  #studio .card-heading { align-items: flex-start; flex-wrap: wrap; }
  .studio-teacher-form .button { width: 100%; }
  .studio-management-heading {
    flex-direction: column;
  }

  .studio-management-stats {
    grid-template-columns: 1fr;
  }

  .studio-assignment-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .studio-assignment-row .button {
    width: 100%;
  }
}


.studio-teacher-card {
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}
.studio-teacher-card:hover {
  border-color: var(--accent-dark);
  transform: translateY(-1px);
}
.studio-teacher-card:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
}
.studio-teacher-card.is-selected {
  border-color: var(--accent-dark);
  background: color-mix(in srgb, var(--accent-dark) 10%, var(--surface-soft));
}
.studio-teacher-count {
  margin-left: auto;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.studio-assignment-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0.9rem 0;
}
.studio-assignment-toolbar label {
  display: grid;
  gap: 0.3rem;
  width: min(100%, 320px);
  margin: 0;
}
.studio-assignment-toolbar input { width: 100%; }
.studio-assignment-action {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 42px;
}
.studio-row-result {
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 600;
}
.studio-row-result.is-error { color: #b53c48; }
@media (max-width: 700px) {
  .studio-assignment-action { justify-content: stretch; }
  .studio-assignment-action .button { width: 100%; }
}


.studio-teacher-card-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: stretch;
}

.studio-teacher-delete {
  align-self: center;
  border: 1px solid color-mix(in srgb, #b53c48 55%, var(--border));
  border-radius: 10px;
  background: transparent;
  color: #b53c48;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.55rem 0.7rem;
  cursor: pointer;
}

.studio-teacher-delete:hover {
  background: color-mix(in srgb, #b53c48 10%, transparent);
}

.studio-teacher-delete:focus-visible {
  outline: 2px solid #b53c48;
  outline-offset: 2px;
}

.studio-teacher-delete:disabled {
  cursor: wait;
  opacity: 0.65;
}

@media (max-width: 700px) {
  .studio-teacher-card-row {
    grid-template-columns: 1fr;
  }

  .studio-teacher-delete {
    width: 100%;
  }
}


.studio-settings-card { margin-bottom: 1rem; }
.studio-settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}
.studio-settings-form label { display: grid; gap: 0.3rem; margin: 0; }
.studio-settings-form input { width: 100%; }
.studio-settings-form .form-actions { grid-column: 1 / -1; align-items: center; }
@media (max-width: 700px) {
  .studio-settings-form { grid-template-columns: 1fr; }
}


/* Studio settings refinements */
.studio-settings-form select {
  width: 100%;
}
.studio-colour-picker {
  display: flex;
  align-items: center;
  min-height: 42px;
  gap: 0.7rem;
}
.studio-colour-picker input[type="color"] {
  width: 52px;
  height: 42px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
}
.studio-colour-value {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* Cleaner assignment table */
.studio-student-assignments {
  display: block;
}
.studio-assignment-table {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}
.studio-assignment-header,
.studio-assignment-row {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(190px, 0.9fr) minmax(70px, auto);
  gap: 1rem;
  align-items: center;
}
.studio-assignment-header {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.studio-assignment-row {
  padding: 0.7rem 0.9rem;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.studio-assignment-row + .studio-assignment-row {
  border-top: 1px solid var(--border);
}
.studio-assignment-row select {
  width: 100%;
  margin: 0;
}
.studio-assignment-action {
  min-width: 70px;
}
html[data-theme="dark"] .studio-assignment-row {
  background: transparent;
}
html[data-theme="dark"] .studio-assignment-header {
  background: var(--surface-soft);
}

@media (max-width: 700px) {
  .studio-assignment-header {
    display: none;
  }
  .studio-assignment-table {
    border-radius: 10px;
  }
  .studio-assignment-row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
    padding: 0.85rem;
  }
  .studio-assignment-action {
    justify-content: flex-start;
  }
}