.attendance-section {
  margin-bottom: 20px;
  padding: 0;
  overflow: hidden;
}

.attendance-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.attendance-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 24px;
}

.attendance-heading p:not(.eyebrow) {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.attendance-summary {
  display: flex;
  border: 1px solid var(--line);
  background: #0a0806;
}

.attendance-summary span {
  min-width: 94px;
  padding: 9px 12px;
  color: var(--muted);
  font-size: 11px;
  text-align: center;
}

.attendance-summary span + span {
  border-left: 1px solid var(--line);
}

.attendance-summary b {
  display: block;
  color: var(--gold2);
  font-size: 20px;
  line-height: 1.2;
}

.attendance-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  background: #0a0806;
}

.calendar-nav {
  display: grid;
  grid-template-columns: 34px minmax(130px, auto) 34px;
  align-items: center;
  gap: 8px;
}

.calendar-nav strong {
  color: var(--ink);
  font-size: 15px;
  text-align: center;
}

.icon-btn,
.calendar-today-btn {
  height: 34px;
  border: 1px solid rgba(244, 217, 154, .35);
  background: transparent;
  color: var(--gold2);
  cursor: pointer;
}

.icon-btn {
  width: 34px;
  padding: 0;
  font-size: 24px;
  line-height: 1;
}

.calendar-today-btn {
  padding: 0 12px;
  font-size: 12px;
}

.icon-btn:hover,
.calendar-today-btn:hover {
  background: rgba(244, 217, 154, .1);
}

.attendance-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, .65fr);
  min-height: 600px;
}

.course-calendar {
  min-width: 0;
  padding: 18px;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-weekdays span {
  padding: 7px 4px;
  color: #8f8374;
  font-size: 11px;
  text-align: center;
}

.calendar-grid {
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.calendar-day {
  position: relative;
  min-width: 0;
  min-height: 90px;
  padding: 9px;
  border: 0;
  background: #0a0806;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
}

.calendar-day:hover {
  background: #17120e;
}

.calendar-day.blank {
  cursor: default;
  background: rgba(10, 8, 6, .45);
}

.calendar-day.today {
  box-shadow: inset 0 0 0 1px var(--gold);
}

.calendar-day.selected {
  background: #211a13;
  box-shadow: inset 0 0 0 2px var(--gold2);
}

.calendar-day-number {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 22px;
  color: var(--muted);
  font-size: 12px;
}

.calendar-day.today .calendar-day-number,
.calendar-day.selected .calendar-day-number {
  color: var(--gold2);
  font-weight: 700;
}

.calendar-day-count {
  color: #8f8374;
  font-size: 10px;
  font-weight: 400;
}

.calendar-course-label {
  display: block;
  margin-top: 5px;
  color: var(--text);
  font-size: 11px;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.calendar-markers {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.calendar-marker,
.calendar-legend span::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.calendar-marker.progress,
.calendar-legend .legend-progress::before {
  background: #64aee8;
}

.calendar-marker.completed,
.calendar-legend .legend-completed::before {
  background: var(--green);
}

.calendar-marker.exception,
.calendar-legend .legend-exception::before {
  background: #e7a38e;
}

.calendar-marker.cancelled,
.calendar-legend .legend-cancelled::before {
  background: #777067;
}

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
}

.calendar-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.calendar-legend span::before {
  content: "";
  flex: 0 0 auto;
}

.attendance-day-panel {
  min-width: 0;
  padding: 22px;
  border-left: 1px solid var(--line);
  background: rgba(10, 8, 6, .65);
}

.day-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.day-panel-head h3 {
  margin: 0;
  color: var(--ink);
  font-size: 20px;
}

.day-panel-head > span {
  color: var(--muted);
  font-size: 12px;
}

.attendance-notice {
  min-height: 0;
  margin-top: 12px;
  color: var(--green);
  font-size: 12px;
}

.attendance-notice.error {
  color: #e7a38e;
}

.day-session-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.day-session-item {
  padding: 15px;
  border: 1px solid rgba(229, 203, 151, .18);
  background: #12100d;
}

.day-session-top,
.day-session-meta,
.day-session-times,
.day-session-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.day-session-top strong {
  min-width: 0;
  color: var(--ink);
  font-size: 14px;
}

.attendance-badge {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid rgba(201, 149, 62, .4);
  color: var(--gold2);
  font-size: 10px;
}

.attendance-badge.completed {
  border-color: rgba(141, 224, 190, .4);
  color: var(--green);
}

.attendance-badge.exception,
.attendance-badge.absent,
.attendance-badge.missing_checkout {
  border-color: rgba(231, 163, 142, .45);
  color: #e7a38e;
}

.attendance-badge.cancelled {
  border-color: rgba(143, 131, 116, .4);
  color: #8f8374;
}

.day-session-meta,
.day-session-times {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}

.day-session-message {
  margin: 10px 0 0;
  color: var(--gold2);
  font-size: 11px;
}

.day-session-actions {
  align-items: stretch;
  margin-top: 12px;
}

.attendance-code-input {
  min-width: 0;
  width: 110px;
  padding: 8px 10px;
  border: 1px solid rgba(229, 203, 151, .3);
  border-radius: 0;
  background: #080604;
  color: var(--text);
  letter-spacing: 0;
  outline: none;
}

.attendance-code-input:focus {
  border-color: var(--gold);
}

.attendance-action-btn {
  min-height: 38px;
  flex: 1;
  border: 1px solid var(--gold);
  background: var(--gold2);
  color: #17100a;
  font-weight: 700;
  cursor: pointer;
}

.attendance-action-btn:hover {
  background: #fff0bd;
}

.attendance-action-btn:disabled {
  cursor: wait;
  opacity: .55;
}

.attendance-empty {
  padding: 48px 8px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 980px) {
  .attendance-layout {
    grid-template-columns: 1fr;
  }

  .attendance-day-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .attendance-heading {
    align-items: stretch;
    flex-direction: column;
    padding: 20px 16px;
  }

  .attendance-summary {
    width: 100%;
  }

  .attendance-summary span {
    min-width: 0;
    flex: 1;
    padding: 8px 5px;
  }

  .attendance-toolbar {
    padding: 10px;
  }

  .calendar-nav {
    grid-template-columns: 32px minmax(104px, auto) 32px;
    gap: 4px;
  }

  .icon-btn {
    width: 32px;
    height: 32px;
  }

  .calendar-today-btn {
    height: 32px;
    padding: 0 9px;
  }

  .course-calendar {
    padding: 10px;
  }

  .calendar-weekdays span {
    padding: 5px 2px;
  }

  .calendar-day {
    min-height: 54px;
    padding: 6px;
  }

  .calendar-day-number {
    justify-content: center;
    min-height: 18px;
  }

  .calendar-day-count,
  .calendar-course-label {
    display: none;
  }

  .calendar-markers {
    justify-content: center;
    gap: 3px;
    margin-top: 7px;
  }

  .calendar-marker {
    width: 5px;
    height: 5px;
  }

  .calendar-legend {
    gap: 8px 12px;
  }

  .attendance-day-panel {
    padding: 18px 14px;
  }

  .day-session-actions {
    flex-wrap: wrap;
  }

  .attendance-code-input {
    width: 100%;
  }
}