/* ── HT Hub — Styles ─────────────────────────────────────────── */
:root {
  --bg-primary: #0f1729;
  --bg-secondary: #1a2332;
  --bg-card: #1e293b;
  --bg-card-hover: #243247;
  --bg-input: #0f1729;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3B82F6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-hover: #2563eb;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --border: #334155;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --sidebar-width: 260px;
  --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Layout ────────────────────────────────────────────────── */
.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform var(--transition);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  font-size: 32px;
}

.logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.logo .subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.nav-links {
  list-style: none;
  padding: 16px 12px;
  flex: 1;
}

.nav-links li { margin-bottom: 4px; }

.nav-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-links a.active {
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.nav-icon { font-size: 1.2rem; }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.sidebar-footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-footer strong {
  color: var(--accent);
  letter-spacing: 1px;
}

.content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px;
  max-width: 1200px;
}

.mobile-toggle {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ── Page Header ───────────────────────────────────────────── */
.page-header {
  margin-bottom: 32px;
}

.page-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header .page-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon { font-size: 1.2rem; }

/* ── Dashboard Grid ────────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.dashboard-grid .full-width {
  grid-column: 1 / -1;
}

/* ── Week Indicator & Term Progress ────────────────────────── */
.week-indicator {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.week-badge {
  background: var(--accent);
  color: white;
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.5px;
}

.term-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.date-badge {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.progress-bar-container {
  margin-top: 16px;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.progress-bar {
  height: 8px;
  background: var(--bg-primary);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border-radius: 10px;
  transition: width 0.5s ease;
}

/* ── Today's Events ────────────────────────────────────────── */
.event-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.event-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
  font-size: 0.9rem;
}

.event-item.holiday { border-left-color: var(--red); }
.event-item.meeting { border-left-color: var(--accent); }
.event-item.deadline { border-left-color: var(--amber); }
.event-item.report { border-left-color: #a855f7; }
.event-item.sdd { border-left-color: var(--green); }
.event-item.sport { border-left-color: #06b6d4; }
.event-item.parent { border-left-color: #ec4899; }
.event-item.welfare { border-left-color: #f97316; }
.event-item.transition { border-left-color: #8b5cf6; }
.event-item.vet { border-left-color: #14b8a6; }

.event-category-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.badge-holiday { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.badge-meeting { background: rgba(59, 130, 246, 0.2); color: var(--accent); }
.badge-deadline { background: rgba(245, 158, 11, 0.2); color: var(--amber); }
.badge-report { background: rgba(168, 85, 247, 0.2); color: #a855f7; }
.badge-sdd { background: rgba(34, 197, 94, 0.2); color: var(--green); }
.badge-event { background: rgba(100, 116, 139, 0.2); color: var(--text-secondary); }
.badge-sport { background: rgba(6, 182, 212, 0.2); color: #06b6d4; }
.badge-parent { background: rgba(236, 72, 153, 0.2); color: #ec4899; }
.badge-welfare { background: rgba(249, 115, 22, 0.2); color: #f97316; }
.badge-transition { background: rgba(139, 92, 246, 0.2); color: #8b5cf6; }
.badge-vet { background: rgba(20, 184, 166, 0.2); color: #14b8a6; }
.badge-task { background: rgba(245, 158, 11, 0.2); color: var(--amber); }

.empty-state {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.empty-state .emoji { font-size: 2rem; margin-bottom: 8px; display: block; }

/* ── Week Overview ─────────────────────────────────────────── */
.week-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.week-day {
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  padding: 12px;
  min-height: 100px;
}

.week-day.is-today {
  border: 2px solid var(--accent);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.week-day.is-holiday {
  opacity: 0.6;
}

.week-day-header {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.week-day-header .day-date {
  color: var(--text-muted);
  font-weight: 400;
}

.week-day-event {
  font-size: 0.75rem;
  padding: 4px 8px;
  margin-bottom: 4px;
  border-radius: 4px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border-left: 2px solid var(--accent);
}

/* ── Deadline Cards ────────────────────────────────────────── */
.deadline-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.deadline-info { flex: 1; }

.deadline-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.deadline-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.deadline-countdown {
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
}

.urgency-green { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.urgency-amber { background: rgba(245, 158, 11, 0.15); color: var(--amber); }
.urgency-red { background: rgba(239, 68, 68, 0.15); color: var(--red); }
.urgency-overdue { background: rgba(239, 68, 68, 0.3); color: var(--red); font-weight: 700; }

/* ── Tasks Page ────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition);
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.task-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: background var(--transition);
}

.task-item:hover { background: var(--bg-card-hover); }

.task-checkbox {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  background: transparent;
  color: transparent;
  font-size: 14px;
}

.task-checkbox:hover { border-color: var(--accent); }

.task-checkbox.checked {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.task-checkbox.in-progress {
  background: var(--amber);
  border-color: var(--amber);
  color: white;
}

.task-info { flex: 1; min-width: 0; }

.task-title {
  font-size: 0.9rem;
  font-weight: 500;
}

.task-title.complete {
  text-decoration: line-through;
  color: var(--text-muted);
}

.task-meta {
  display: flex;
  gap: 12px;
  margin-top: 4px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.task-status-select {
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
}

.task-status-select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Add task form */
.add-task-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
  padding: 10px 24px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition);
  font-family: inherit;
}

.btn-primary:hover { background: var(--accent-hover); }

/* ── Calendar Page ─────────────────────────────────────────── */
.term-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.term-tab {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  font-family: inherit;
}

.term-tab:hover { border-color: var(--accent); color: var(--text-primary); }
.term-tab.active { background: var(--accent); color: white; border-color: var(--accent); }

.calendar-week {
  margin-bottom: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.calendar-week.current {
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.calendar-week-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-card);
  cursor: pointer;
  transition: background var(--transition);
}

.calendar-week-header:hover { background: var(--bg-card-hover); }

.week-label-text {
  font-weight: 600;
  font-size: 0.95rem;
}

.week-label-text .rotation {
  color: var(--accent);
}

.week-date-range {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.calendar-week-body {
  display: none;
  padding: 16px 20px;
  background: var(--bg-secondary);
}

.calendar-week-body.open { display: block; }

.calendar-day {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.calendar-day:last-child { border-bottom: none; }

.calendar-day-name {
  width: 90px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.calendar-day-name .cal-date {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.75rem;
  display: block;
}

.calendar-day-events {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cal-event-tag {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg-card);
  color: var(--text-secondary);
}

.calendar-day.today-highlight .calendar-day-name {
  color: var(--accent);
}

.calendar-day.holiday-day {
  opacity: 0.6;
}

/* ── Reminders Page ────────────────────────────────────────── */
.reminder-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.reminder-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.reminder-icon.meeting { background: rgba(59, 130, 246, 0.15); }
.reminder-icon.deadline { background: rgba(245, 158, 11, 0.15); }
.reminder-icon.report { background: rgba(168, 85, 247, 0.15); }
.reminder-icon.event { background: rgba(100, 116, 139, 0.15); }
.reminder-icon.holiday { background: rgba(239, 68, 68, 0.15); }
.reminder-icon.sdd { background: rgba(34, 197, 94, 0.15); }
.reminder-icon.sport { background: rgba(6, 182, 212, 0.15); }
.reminder-icon.parent { background: rgba(236, 72, 153, 0.15); }
.reminder-icon.welfare { background: rgba(249, 115, 22, 0.15); }
.reminder-icon.transition { background: rgba(139, 92, 246, 0.15); }
.reminder-icon.vet { background: rgba(20, 184, 166, 0.15); }
.reminder-icon.task { background: rgba(245, 158, 11, 0.15); }

.reminder-info { flex: 1; }
.reminder-title { font-size: 0.9rem; font-weight: 500; }
.reminder-meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.reminder-days {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.days-today { color: var(--accent); }
.days-soon { color: var(--amber); }
.days-later { color: var(--text-secondary); }

/* ── Notes Page ────────────────────────────────────────────── */
.notes-selector {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
}

.notes-selector select {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  font-family: inherit;
}

.notes-selector select:focus {
  outline: none;
  border-color: var(--accent);
}

.notes-editor {
  width: 100%;
  min-height: 400px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
  resize: vertical;
}

.notes-editor:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.notes-status {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.notes-status.saved { color: var(--green); }

/* ── Day Modal ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

/* ── Overdue Badge ─────────────────────────────────────────── */
.overdue-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--red);
  font-weight: 500;
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .week-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .mobile-toggle { display: block; }
  .content {
    margin-left: 0;
    padding: 20px;
    padding-top: 60px;
  }
  .week-grid {
    grid-template-columns: 1fr 1fr;
  }
  .add-task-form {
    flex-direction: column;
  }
  .form-group { width: 100%; }
  .form-input { width: 100%; }
}

@media (max-width: 480px) {
  .week-grid {
    grid-template-columns: 1fr;
  }
  .filter-bar { gap: 6px; }
  .filter-btn { padding: 6px 12px; font-size: 0.8rem; }
}

/* ── Assessment Page ────────────────────────────────────────── */
.assessment-grid-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.assessment-grid {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
}

.assessment-grid th,
.assessment-grid td {
  border: 1px solid var(--border);
}

.ag-corner {
  width: 64px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px;
  text-align: center;
  position: sticky;
  left: 0;
  z-index: 2;
}

.ag-day-header {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 8px;
  text-align: center;
  min-width: 140px;
}

.ag-week-row {
  transition: background var(--transition);
}

.ag-current-week {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.ag-current-week .ag-week-label {
  background: var(--accent);
  color: white;
}

.ag-week-label {
  background: var(--bg-card);
  padding: 8px 6px;
  text-align: center;
  vertical-align: top;
  position: sticky;
  left: 0;
  z-index: 1;
}

.ag-week-num {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.ag-current-week .ag-week-num {
  color: white;
}

.ag-week-rotation {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.ag-current-week .ag-week-rotation {
  color: rgba(255,255,255,0.7);
}

.ag-cell {
  background: var(--bg-primary);
  padding: 6px;
  vertical-align: top;
  min-height: 70px;
  transition: background var(--transition), box-shadow var(--transition);
}

.ag-cell.ag-today {
  background: rgba(59, 130, 246, 0.06);
  box-shadow: inset 0 0 0 2px var(--accent);
}

.ag-cell.ag-holiday {
  background: rgba(239, 68, 68, 0.05);
  opacity: 0.5;
}

.ag-cell.ag-drop-target {
  background: rgba(59, 130, 246, 0.15) !important;
  box-shadow: inset 0 0 0 2px var(--accent) !important;
}

.ag-cell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.ag-cell-date {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.ag-cell-tiles {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* ── Assessment Tiles ──────────────────────────────────────── */
.assessment-tile {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  cursor: grab;
  transition: transform var(--transition), box-shadow var(--transition);
  user-select: none;
  line-height: 1.3;
  flex-wrap: wrap;
}

.assessment-tile:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.assessment-tile:active {
  cursor: grabbing;
}

.assessment-tile.at-dragging {
  opacity: 0.4;
  transform: scale(0.95);
}

.at-course {
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.at-yr {
  font-size: 0.6rem;
  opacity: 0.7;
  flex-shrink: 0;
}

.at-title {
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

/* ── Assessment Form ───────────────────────────────────────── */
.assessment-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  display: flex;
  gap: 12px;
}

/* ── Delete button ─────────────────────────────────────────── */
.btn-danger {
  padding: 10px 20px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.3);
}

/* ── Course Filter Pills ────────────────────────────────────── */
.course-filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}

.course-pill {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--pill-colour, var(--accent));
  background: transparent;
  color: var(--pill-colour, var(--accent));
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.3px;
  transition: all var(--transition);
}

.course-pill:hover {
  background: color-mix(in srgb, var(--pill-colour, var(--accent)) 15%, transparent);
}

.course-pill.active {
  background: var(--pill-colour, var(--accent));
  color: white;
  border-color: var(--pill-colour, var(--accent));
  box-shadow: 0 0 12px color-mix(in srgb, var(--pill-colour, var(--accent)) 30%, transparent);
}

/* ── Year Filter Pills ──────────────────────────────────────── */
.filter-separator {
  color: var(--border);
  font-size: 1.2rem;
  line-height: 1;
  align-self: center;
  margin: 0 4px;
  user-select: none;
}

.year-pill {
  padding: 6px 16px;
  border-radius: 20px;
  border: 1.5px solid var(--text-muted);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: 0.3px;
  transition: all var(--transition);
}

.year-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

.year-pill.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.3);
}

/* ── Secondary Button ──────────────────────────────────────── */
.btn-secondary {
  padding: 10px 20px;
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--accent);
}

/* ── Manage Courses Modal ──────────────────────────────────── */
.courses-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.course-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.course-row:hover {
  background: var(--bg-card-hover);
}

.course-row-editing {
  background: var(--bg-card-hover);
  border: 1px solid var(--accent);
}

.course-colour-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,0.15);
}

.course-row-info {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.course-row-name {
  font-size: 0.9rem;
  font-weight: 500;
}

.course-row-short {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 2px 8px;
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.course-row-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background var(--transition);
}

.btn-icon:hover {
  background: var(--bg-card);
}

.btn-icon-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.course-add-section {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.course-add-header {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-add-form {
  display: flex;
  flex-direction: column;
}

.form-colour-input {
  width: 44px;
  height: 38px;
  padding: 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  cursor: pointer;
}

.form-colour-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.form-colour-input::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.form-input-sm {
  padding: 6px 10px;
  font-size: 0.85rem;
}

/* ── Assessment Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
  .ag-day-header { min-width: 100px; font-size: 0.75rem; }
  .ag-corner { width: 50px; }
  .assessment-tile { font-size: 0.65rem; padding: 3px 4px; }
  .form-row { flex-direction: column; }
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.card { animation: fadeIn 0.3s ease; }

/* ── Current week indicator for calendar ───────────────────── */
.current-week-tag {
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}