/* Ordered legacy cascade part 01; preserve link order. */
:root {
  /* Theme and legacy aliases consume the canonical tokens from styles.css. */
  --admin-bg: var(--ds-bg);
  --admin-surface: var(--ds-surface);
  --admin-surface-soft: var(--ds-surface-subtle);
  --admin-ink: var(--ds-text);
  --admin-muted: var(--ds-text-muted);
  --admin-line: var(--ds-border);
  --admin-line-strong: var(--ds-border-strong);
  --admin-primary: var(--ds-brand);
  --admin-primary-dark: var(--ds-brand-strong);
  --admin-primary-soft: var(--ds-brand-soft);
  --admin-success: var(--ds-success);
  --admin-danger: var(--ds-danger);
  --admin-warning: var(--ds-warning);
  --admin-radius: var(--ds-card-radius);
  --admin-shadow: var(--ds-shadow-surface);
  --bg: var(--admin-bg);
  --surface: var(--admin-surface);
  --surface-soft: var(--admin-surface-soft);
  --ink: var(--admin-ink);
  --muted: var(--admin-muted);
  --line: var(--admin-line);
  --line-strong: var(--admin-line-strong);
  --teal: var(--admin-primary);
  --teal-dark: var(--admin-primary-dark);
  --blue: var(--admin-primary);
  --green-soft: var(--admin-primary-soft);
  --blue-soft: var(--admin-primary-soft);
  --coral: var(--ds-danger);
  --amber: var(--ds-warning);
  --coral-soft: var(--ds-danger-soft);
  --shadow: var(--admin-shadow);
}

#page-timetable #timetableLearningView {
  margin-top: 18px;
}

#page-timetable .timetable-plan-workspace {
  display: block;
  overflow: visible;
  border: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

#page-timetable .timetable-plan-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--ds-border);
  border-left: 4px solid var(--ds-brand);
  background: var(--ds-surface);
  padding: 22px 24px 20px;
}

#page-timetable .timetable-plan-hero-copy {
  display: grid;
  gap: 6px;
  min-width: 0;
}

#page-timetable .timetable-plan-hero h2,
#page-timetable .timetable-plan-hero p {
  margin: 0;
}

#page-timetable .timetable-plan-hero h2 {
  color: var(--ds-text);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: -0.03em;
}

#page-timetable .timetable-plan-hero p {
  max-width: 660px;
  color: var(--ds-text-secondary);
  font-size: 13px;
  line-height: 1.65;
}

#page-timetable .timetable-plan-hero-actions,
#page-timetable .timetable-plan-links,
#page-timetable .timetable-plan-inline-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

#page-timetable .timetable-plan-hero-actions {
  flex: 0 0 auto;
  justify-content: flex-end;
}

#page-timetable .timetable-plan-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ds-border);
  background: var(--ds-warning-soft);
  padding: 11px 16px;
  color: var(--ds-warning-strong, #9a6700);
  font-size: 13px;
}

#page-timetable .timetable-plan-notice span {
  color: var(--ds-text-secondary);
  text-align: right;
}

#page-timetable .timetable-plan-snapshot {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(250px, .9fr) minmax(180px, .65fr);
  border-bottom: 1px solid var(--ds-border);
  background: var(--ds-surface);
}

#page-timetable .timetable-plan-snapshot > * {
  min-width: 0;
  padding: 22px 24px;
}

#page-timetable .timetable-plan-snapshot > * + * {
  border-left: 1px solid var(--ds-border);
}

#page-timetable .timetable-plan-progress-block {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
}

#page-timetable .timetable-plan-progress-ring {
  display: grid;
  width: 82px;
  height: 82px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--ds-brand) calc(var(--learning-progress) * 1%), var(--ds-border) 0);
  color: var(--ds-brand-strong);
  position: relative;
}

#page-timetable .timetable-plan-progress-ring::after {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: var(--ds-surface);
  content: "";
}

#page-timetable .timetable-plan-progress-ring strong,
#page-timetable .timetable-plan-progress-ring span {
  position: relative;
  z-index: 1;
}

#page-timetable .timetable-plan-progress-ring strong {
  font-size: 19px;
  line-height: 1;
}

#page-timetable .timetable-plan-progress-ring span {
  margin-top: -22px;
  color: var(--ds-text-muted);
  font-size: 10px;
}

#page-timetable .timetable-plan-progress-block h3,
#page-timetable .timetable-plan-progress-block p,
#page-timetable .timetable-plan-next-action p {
  margin: 0;
}

#page-timetable .timetable-plan-progress-block h3 {
  margin-top: 3px;
  color: var(--ds-text);
  font-size: 18px;
  line-height: 1.35;
}

#page-timetable .timetable-plan-progress-block p,
#page-timetable .timetable-plan-next-action p {
  margin-top: 6px;
  color: var(--ds-text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

#page-timetable .timetable-plan-progress-line,
#page-timetable .timetable-plan-progress-line span {
  display: block;
  height: 5px;
  border-radius: 999px;
}

#page-timetable .timetable-plan-progress-line {
  max-width: 360px;
  margin-top: 13px;
  overflow: hidden;
  background: var(--ds-border);
}

#page-timetable .timetable-plan-progress-line span {
  background: var(--ds-brand);
}

#page-timetable .timetable-plan-next-action {
  display: grid;
  align-content: center;
  gap: 2px;
  background: var(--ds-brand-soft);
}

#page-timetable .timetable-plan-next-action strong {
  display: block;
  margin-top: 3px;
  color: var(--ds-brand-strong);
  font-size: 16px;
  line-height: 1.4;
}

#page-timetable .timetable-plan-next-action button,
#page-timetable .timetable-plan-inline-meta button {
  width: fit-content;
  min-height: auto;
  margin-top: 9px;
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--ds-brand-strong);
  font-size: 12px;
  font-weight: 760;
}

#page-timetable .timetable-plan-next-action button:hover,
#page-timetable .timetable-plan-inline-meta button:hover {
  background: transparent;
  color: var(--ds-brand-pressed);
  text-decoration: underline;
}

#page-timetable .timetable-plan-facts {
  display: grid;
  align-content: center;
  gap: 13px;
}

#page-timetable .timetable-plan-facts span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ds-border);
  padding-bottom: 10px;
}

#page-timetable .timetable-plan-facts span:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

#page-timetable .timetable-plan-facts strong {
  color: var(--ds-text);
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

#page-timetable .timetable-plan-facts small {
  color: var(--ds-text-muted);
  font-size: 12px;
}

#page-timetable .timetable-plan-attention,
#page-timetable .timetable-plan-course-section,
#page-timetable .timetable-plan-task-section,
#page-timetable .timetable-plan-maintenance {
  border-bottom: 1px solid var(--ds-border);
  background: var(--ds-surface);
  padding: 20px 24px;
}

#page-timetable .timetable-plan-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

#page-timetable .timetable-plan-section-head > div:first-child {
  display: grid;
  gap: 3px;
}

#page-timetable .timetable-plan-section-head h3,
#page-timetable .timetable-plan-section-head p {
  margin: 0;
}

#page-timetable .timetable-plan-section-head h3 {
  color: var(--ds-text);
  font-size: 17px;
}

#page-timetable .timetable-plan-section-head p {
  margin-top: 4px;
  color: var(--ds-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

#page-timetable .timetable-plan-section-head > span,
#page-timetable .timetable-plan-inline-meta > span {
  color: var(--ds-text-muted);
  font-size: 12px;
}

#page-timetable .timetable-plan-signal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--ds-border);
  border-bottom: 1px solid var(--ds-border);
}

#page-timetable .timetable-plan-signal-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: baseline;
  min-width: 0;
  border-right: 1px solid var(--ds-border);
  padding: 13px 16px 12px;
}

#page-timetable .timetable-plan-signal-list article:last-child {
  border-right: 0;
}

#page-timetable .timetable-plan-signal-list article > span {
  grid-row: 1 / 3;
  color: var(--ds-text-muted);
  font-size: 12px;
  font-weight: 760;
}

#page-timetable .timetable-plan-signal-list strong {
  color: var(--ds-text);
  font-size: 15px;
}

#page-timetable .timetable-plan-signal-list small {
  min-width: 0;
  overflow: hidden;
  color: var(--ds-text-secondary);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-timetable .timetable-plan-signal-list .is-risk {
  border-top: 2px solid var(--ds-danger);
}

#page-timetable .timetable-plan-signal-list .is-focus {
  border-top: 2px solid var(--ds-brand);
}

#page-timetable .timetable-plan-signal-list .is-clear {
  border-top: 2px solid var(--ds-border-strong);
}

#page-timetable .timetable-plan-week-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border-top: 1px solid var(--ds-border);
  border-left: 1px solid var(--ds-border);
}

#page-timetable .timetable-plan-week-strip button {
  display: grid;
  min-width: 0;
  gap: 3px;
  border: 0;
  border-right: 1px solid var(--ds-border);
  border-bottom: 1px solid var(--ds-border);
  border-radius: 0;
  background: var(--ds-surface);
  padding: 10px 6px;
  color: var(--ds-text-muted);
  text-align: center;
}

#page-timetable .timetable-plan-week-strip button:hover,
#page-timetable .timetable-plan-week-strip button.is-selected {
  background: var(--ds-brand-soft);
  color: var(--ds-brand-strong);
}

#page-timetable .timetable-plan-week-strip button.is-today strong {
  color: var(--ds-brand-strong);
}

#page-timetable .timetable-plan-week-strip span,
#page-timetable .timetable-plan-week-strip small {
  font-size: 11px;
}

#page-timetable .timetable-plan-week-strip strong {
  color: var(--ds-text);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

#page-timetable .timetable-plan-course-list {
  margin-top: 14px;
}

#page-timetable .timetable-plan-course-list .annual-course-row {
  border-bottom: 1px solid var(--ds-border);
  background: transparent;
  padding: 12px 0;
}

#page-timetable .timetable-plan-course-list .annual-course-row:last-child {
  border-bottom: 0;
}

#page-timetable .timetable-plan-task-controls,
#page-timetable .timetable-plan-controls {
  display: flex;
  align-items: end;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

#page-timetable .timetable-plan-controls label {
  display: grid;
  gap: 4px;
  color: var(--ds-text-muted);
  font-size: 11px;
  font-weight: 760;
}

#page-timetable .timetable-plan-controls input,
#page-timetable .timetable-plan-controls select {
  min-width: 150px;
  min-height: 36px;
  border-color: var(--ds-border);
  background: var(--ds-surface-subtle);
  font-size: 13px;
}

#page-timetable .timetable-plan-controls input:focus,
#page-timetable .timetable-plan-controls select:focus {
  border-color: var(--ds-brand);
  box-shadow: 0 0 0 3px var(--ds-brand-soft);
}

#page-timetable .timetable-plan-task-list {
  border-top: 1px solid var(--ds-border);
}

#page-timetable .timetable-plan-task-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  border-bottom: 1px solid var(--ds-border);
  padding: 14px 2px;
}

#page-timetable .timetable-plan-task-row:last-child {
  border-bottom: 0;
}

#page-timetable .timetable-plan-task-index {
  padding-top: 2px;
  color: var(--ds-text-faint);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

#page-timetable .timetable-plan-task-row > div {
  min-width: 0;
}

#page-timetable .timetable-plan-task-row strong {
  color: var(--ds-text);
  font-size: 14px;
}

#page-timetable .timetable-plan-task-row p,
#page-timetable .timetable-plan-task-row small {
  display: block;
  margin: 4px 0 0;
  overflow: hidden;
  color: var(--ds-text-secondary);
  font-size: 12px;
  line-height: 1.5;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#page-timetable .timetable-plan-task-row small {
  color: var(--ds-text-muted);
}

#page-timetable .timetable-plan-priority {
  align-self: start;
  border: 1px solid var(--ds-border);
  border-radius: 999px;
  padding: 4px 8px;
  color: var(--ds-text-muted);
  font-size: 11px;
  white-space: nowrap;
}

#page-timetable .timetable-plan-priority.is-high {
  border-color: var(--ds-brand-border);
  background: var(--ds-brand-soft);
  color: var(--ds-brand-strong);
}

#page-timetable .timetable-plan-empty {
  display: grid;
  justify-items: start;
  gap: 6px;
  border-top: 1px solid var(--ds-border);
  background: var(--ds-surface-subtle);
  padding: 24px 18px;
}

#page-timetable .timetable-plan-empty strong {
  color: var(--ds-text);
  font-size: 15px;
}

#page-timetable .timetable-plan-empty p,
#page-timetable .timetable-plan-maintenance > p {
  margin: 0;
  color: var(--ds-text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

#page-timetable .timetable-plan-empty > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

#page-timetable .timetable-plan-maintenance {
  padding-top: 16px;
  padding-bottom: 16px;
}

#page-timetable .timetable-plan-maintenance summary {
  cursor: pointer;
  color: var(--ds-text-secondary);
  font-size: 13px;
  font-weight: 760;
}

#page-timetable .timetable-plan-maintenance > p {
  margin: 10px 0 14px;
}

#page-timetable .timetable-plan-links {
  background: var(--ds-surface);
  padding: 14px 24px;
}

#page-timetable .timetable-plan-links > span {
  margin-right: 4px;
  color: var(--ds-text-muted);
  font-size: 12px;
}

#page-timetable .timetable-plan-links button {
  min-height: 30px;
  border-color: transparent;
  background: transparent;
  padding: 4px 8px;
  color: var(--ds-brand-strong);
  font-size: 12px;
}

#page-timetable .timetable-plan-links button:hover {
  background: var(--ds-brand-soft);
}

@media (max-width: 960px) {
  #page-timetable .timetable-plan-snapshot {
    grid-template-columns: minmax(0, 1.25fr) minmax(220px, .75fr);
  }

  #page-timetable .timetable-plan-facts {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--ds-border);
  }

  #page-timetable .timetable-plan-facts span {
    display: grid;
    justify-items: start;
    gap: 2px;
    border-bottom: 0;
    border-right: 1px solid var(--ds-border);
    padding-bottom: 0;
    padding-right: 14px;
  }

  #page-timetable .timetable-plan-facts span:last-child {
    border-right: 0;
    padding-right: 0;
  }

  #page-timetable .timetable-plan-task-head {
    align-items: stretch;
    flex-direction: column;
  }

  #page-timetable .timetable-plan-controls {
    justify-content: flex-start;
  }
}

@media (max-width: 680px) {
  #page-timetable .timetable-plan-hero,
  #page-timetable .timetable-plan-section-head {
    align-items: stretch;
    flex-direction: column;
  }

  #page-timetable .timetable-plan-hero {
    padding: 18px 16px;
  }

  #page-timetable .timetable-plan-hero-actions,
  #page-timetable .timetable-plan-hero-actions button,
  #page-timetable .timetable-plan-controls,
  #page-timetable .timetable-plan-controls label,
  #page-timetable .timetable-plan-controls input,
  #page-timetable .timetable-plan-controls select {
    width: 100%;
  }

  #page-timetable .timetable-plan-snapshot {
    display: block;
  }

  #page-timetable .timetable-plan-snapshot > * {
    border-left: 0;
    border-bottom: 1px solid var(--ds-border);
    padding: 18px 16px;
  }

  #page-timetable .timetable-plan-snapshot > *:last-child {
    border-bottom: 0;
  }

  #page-timetable .timetable-plan-progress-block {
    grid-template-columns: auto minmax(0, 1fr);
  }

  #page-timetable .timetable-plan-attention,
  #page-timetable .timetable-plan-course-section,
  #page-timetable .timetable-plan-task-section,
  #page-timetable .timetable-plan-maintenance {
    padding: 18px 16px;
  }

  #page-timetable .timetable-plan-notice {
    align-items: flex-start;
    flex-direction: column;
    padding: 11px 16px;
  }

  #page-timetable .timetable-plan-notice span {
    text-align: left;
  }

  #page-timetable .timetable-plan-signal-list {
    grid-template-columns: 1fr;
  }

  #page-timetable .timetable-plan-signal-list article {
    border-right: 0;
    border-bottom: 1px solid var(--ds-border);
  }

  #page-timetable .timetable-plan-signal-list article:last-child {
    border-bottom: 0;
  }

  #page-timetable .timetable-plan-week-strip {
    overflow-x: auto;
    grid-template-columns: repeat(7, minmax(58px, 1fr));
  }

  #page-timetable .timetable-plan-task-row {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
  }

  #page-timetable .timetable-plan-priority {
    grid-column: 2;
    width: fit-content;
  }

  #page-timetable .timetable-plan-links {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 16px;
  }

  #page-timetable .timetable-plan-links > span {
    margin-right: 0;
  }
}