/**
 * Instructor panel — theme tokens (light + dark).
 * Light mode uses stronger mixes so cards/actions read clearly.
 */
.lms-sched-instructor-panel {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lms-sched-instructor-meta {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--cui-text-muted);
}

.lms-sched-instructor-card {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 0;
  padding: 0.875rem;
  border-radius: var(--cui-radius-lg, 12px);
  border: 1px solid color-mix(in srgb, var(--cui-accent, #2563eb) 22%, var(--cui-border));
  background: color-mix(in srgb, var(--cui-accent, #2563eb) 10%, var(--cui-surface));
}

.lms-sched-instructor-card .cui-label {
  margin-bottom: 0;
  color: var(--cui-label, var(--cui-text));
}

.lms-sched-instructor-card .cui-select,
.lms-sched-instructor-card .lms-select {
  border-radius: var(--cui-radius, 8px);
}

.lms-sched-instructor-card .lms-select {
  width: 100%;
}

.lms-sched-instructor-btn {
  width: 100%;
  justify-content: center;
  margin-top: 0.125rem;
  border-radius: var(--cui-radius, 8px);
  padding: 0.7rem 1rem;
  font-weight: 600;
}

.lms-sched-instructor-card.is-danger {
  border-color: color-mix(in srgb, var(--cui-danger, #dc2626) 45%, var(--cui-border));
  background: color-mix(in srgb, var(--cui-danger, #dc2626) 12%, var(--cui-surface));
}

.lms-sched-instructor-hint {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.4;
  font-weight: 500;
  color: var(--cui-danger, #dc2626);
}

.lms-sched-instructor-btn.is-danger {
  color: #fff;
  border-color: var(--cui-danger, #dc2626);
  background: var(--cui-danger, #dc2626);
}

.lms-sched-instructor-btn.is-danger:hover {
  color: #fff;
  border-color: color-mix(in srgb, var(--cui-danger, #dc2626) 80%, #000);
  background: color-mix(in srgb, var(--cui-danger, #dc2626) 85%, #000);
}

/* Light / B&W: clearer fills than the default soft tokens */
html:not([data-theme="dark"]) .lms-sched-instructor-card {
  border-color: color-mix(in srgb, var(--cui-accent, #2563eb) 28%, var(--cui-border));
  background: color-mix(in srgb, var(--cui-accent, #2563eb) 14%, #ffffff);
}

html:not([data-theme="dark"]) .lms-sched-instructor-card.is-danger {
  border-color: color-mix(in srgb, var(--cui-danger, #dc2626) 40%, #fecaca);
  background: color-mix(in srgb, var(--cui-danger, #dc2626) 16%, #fff1f2);
}

html:not([data-theme="dark"]) .lms-sched-instructor-hint {
  color: color-mix(in srgb, var(--cui-danger, #dc2626) 88%, #000);
}

/* B&W theme: danger is black — keep remove obvious with a real red */
html[data-theme="bw"] .lms-sched-instructor-card.is-danger {
  border-color: #f87171;
  background: #fee2e2;
}

html[data-theme="bw"] .lms-sched-instructor-hint,
html[data-theme="bw"] .lms-sched-instructor-btn.is-danger {
  color: #b91c1c;
}

html[data-theme="bw"] .lms-sched-instructor-btn.is-danger {
  color: #fff;
  border-color: #dc2626;
  background: #dc2626;
}

html[data-theme="bw"] .lms-sched-instructor-btn.is-danger:hover {
  border-color: #b91c1c;
  background: #b91c1c;
}

#calendarModal .lms-sched-modal-shell {
  border-radius: var(--cui-radius-xl, 16px);
  box-shadow:
    0 8px 16px -4px rgba(15, 23, 42, 0.12),
    0 24px 56px -12px rgba(15, 23, 42, 0.32);
  border: 1px solid var(--cui-border, rgba(15, 23, 42, 0.1));
  background: var(--cui-surface, #fff);
}

html[data-theme="dark"] #calendarModal .lms-sched-modal-shell,
:root[data-theme="dark"] #calendarModal .lms-sched-modal-shell {
  background: var(--cui-surface);
  border-color: var(--cui-border);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 12px 28px -6px rgba(0, 0, 0, 0.55),
    0 32px 64px -16px rgba(0, 0, 0, 0.7);
}

#calendarModalBackdrop {
  background: transparent;
  pointer-events: none;
}

#calendarModal:has(#calPanelChangeInstructor:not(.hidden)) .lms-sched-modal-shell {
  max-width: 24rem;
}

#calendarModal .lms-sched-modal-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--cui-border);
  background: var(--cui-soft-bg);
  color: var(--cui-text-muted);
  line-height: 1;
}

#calendarModal .lms-sched-modal-close:hover {
  background: var(--cui-soft-bg-hover, var(--cui-surface-2));
  color: var(--cui-text);
  border-color: var(--cui-border);
}

#calendarModal #calModalTitle {
  color: var(--cui-text);
}

#calendarModal #calModalMeta {
  color: var(--cui-text-muted);
}