/* ==========================================================================
   Tugas & Assignment — visual refresh
   Same class names/structure as before, deeper visual language:
   layered shadows, status-tinted glows, gradient accents, tighter type scale
   ========================================================================== */

:root {
  --indigo: #5b5fc7;
  --indigo-deep: #4338ca;
  --violet: #8b5cf6;
  --ink: #1e2338;
  --ink-soft: #55597a;
  --ink-faint: #9295b3;

  --blue: #3b82f6;
  --blue-deep: #2563eb;
  --blue-bg: #eaf2ff;

  --rose: #f43f5e;
  --rose-deep: #dc2626;
  --rose-bg: #fdedf0;

  --green: #10b981;
  --green-deep: #059669;
  --green-bg: #e8f9f3;

  --amber: #f59e0b;
  --amber-deep: #d97706;
  --amber-bg: #fef6e7;

  --card-border: rgba(76, 63, 168, 0.08);
  --shadow-sm: 0 1px 2px rgba(30, 35, 56, 0.06);
  --shadow-md: 0 4px 14px rgba(46, 41, 110, 0.08);
  --shadow-lg: 0 18px 40px -12px rgba(46, 41, 110, 0.28);
}

.tugas-container {
  padding: 28px 32px 60px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
  overflow: visible;
  background:
    radial-gradient(720px 320px at 8% -8%, rgba(139, 92, 246, 0.08), transparent 60%),
    radial-gradient(600px 280px at 100% 0%, rgba(59, 130, 246, 0.07), transparent 55%);
}

/* ---------- Header ---------- */
.tugas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 22px;
  border-bottom: 1px solid rgba(76, 63, 168, 0.1);
}

.tugas-header h1 {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tugas-header h1 i {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  box-shadow: 0 6px 16px rgba(91, 95, 199, 0.35);
}

.subtitle {
  color: var(--ink-faint);
  font-size: 14.5px;
  margin: 0;
  padding-left: 54px;
}

.btn-add-tugas {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  color: white;
  padding: 13px 26px;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  box-shadow: var(--shadow-md), 0 10px 24px -8px rgba(91, 95, 199, 0.55);
}

.btn-add-tugas:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 16px 32px -8px rgba(91, 95, 199, 0.6);
}

.btn-add-tugas:active {
  transform: translateY(0);
}

/* ---------- Statistics Cards ---------- */
.tugas-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 36px;
  width: 100%;
}

.stat-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-sm), var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm), var(--shadow-lg);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}

.stat-icon.ongoing {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  box-shadow: 0 8px 18px -6px rgba(37, 99, 235, 0.55);
}

.stat-icon.overdue {
  background: linear-gradient(135deg, var(--rose), var(--rose-deep));
  box-shadow: 0 8px 18px -6px rgba(220, 38, 38, 0.5);
}

.stat-icon.completed {
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  box-shadow: 0 8px 18px -6px rgba(5, 150, 105, 0.5);
}

.stat-info h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  margin: 0;
  letter-spacing: -0.02em;
}

.stat-info p {
  font-size: 13.5px;
  color: var(--ink-faint);
  margin: 2px 0 0;
  font-weight: 500;
}

/* ---------- Section headers ---------- */
.tugas-section {
  margin-bottom: 42px;
}

.tugas-section h2 {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tugas-section h2 i {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  font-size: 14px;
  color: var(--indigo-deep);
  background: rgba(91, 95, 199, 0.12);
}



.tugas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 22px;
  overflow: visible;
}

/* Pastikan semua parent container tidak memotong card */
.tugas-section {
  overflow: visible;
}

.tugas-container {
  overflow: visible;
}

/* ---------- Tugas Card ---------- */
.tugas-card {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm), var(--shadow-md);
  overflow: visible;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  /* Pastikan konten tidak terpotong */
  min-height: 0;
  height: auto;
}

/* Garis warna di atas card — clip ke border-radius card */
.tugas-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #cbd0e6, #cbd0e6);
  border-radius: 18px 18px 0 0;
  z-index: 1;
}

.tugas-card.ongoing::before {
  background: linear-gradient(90deg, var(--blue), var(--violet));
}

.tugas-card.overdue::before {
  background: linear-gradient(90deg, var(--rose), var(--amber));
}

.tugas-card.completed::before {
  background: linear-gradient(90deg, var(--green), #34d399);
}

.tugas-card:hover {
  transform: translateY(-6px);
  border-color: rgba(91, 95, 199, 0.18);
}

.tugas-card.ongoing:hover {
  box-shadow: var(--shadow-sm), 0 20px 44px -14px rgba(37, 99, 235, 0.35);
}

.tugas-card.overdue:hover {
  box-shadow: var(--shadow-sm), 0 20px 44px -14px rgba(220, 38, 38, 0.32);
}

.tugas-card.completed:hover {
  box-shadow: var(--shadow-sm), 0 20px 44px -14px rgba(5, 150, 105, 0.32);
}

/* Card top bar: type (left) + badges (right) */
.card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 18px 0;
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge-attachment {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, rgba(91, 95, 199, 0.14), rgba(139, 92, 246, 0.14));
  color: var(--indigo-deep);
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.tugas-type {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-faint);
  font-size: 13.5px;
  font-weight: 500;
}

.tugas-difficulty {
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.difficulty-mudah {
  background: var(--green-bg);
  color: var(--green-deep);
}

.difficulty-sedang {
  background: var(--amber-bg);
  color: var(--amber-deep);
}

.difficulty-sulit {
  background: var(--rose-bg);
  color: var(--rose-deep);
}

.tugas-content {
  padding: 14px 18px 16px;
  flex: 1;
}

.tugas-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 6px 0;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.tugas-subject {
  color: var(--indigo-deep);
  font-weight: 600;
  font-size: 13.5px;
  margin: 0 0 10px 0;
}

.tugas-description {
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 0 16px 0;
}

.tugas-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--ink-faint);
  font-weight: 500;
}

.meta-item i {
  width: 14px;
  color: var(--indigo);
}

.tugas-footer {
  padding: 16px 18px;
  background: linear-gradient(180deg, #fbfaff 0%, #f6f5fc 100%);
  border-top: 1px solid rgba(76, 63, 168, 0.08);
}

.deadline-info {
  margin-bottom: 15px;
}

.deadline-date {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 7px;
}

.deadline-countdown {
  font-size: 12.5px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 20px;
  display: inline-block;
}

.deadline-countdown.normal {
  background: var(--green-bg);
  color: var(--green-deep);
}

.deadline-countdown.urgent {
  background: var(--amber-bg);
  color: var(--amber-deep);
}

.deadline-countdown.critical {
  background: var(--rose-bg);
  color: var(--rose-deep);
  animation: pulse 1s infinite;
}

.deadline-countdown.overdue {
  background: var(--rose-bg);
  color: var(--rose-deep);
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.65; }
  100% { opacity: 1; }
}

/* Student Status */
.student-status {
  margin-bottom: 15px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}

.status-badge.graded {
  background: var(--green-bg);
  color: var(--green-deep);
}

.status-badge.submitted {
  background: var(--blue-bg);
  color: var(--blue-deep);
}

.status-badge.not-submitted {
  background: var(--amber-bg);
  color: var(--amber-deep);
}

/* ---------- Actions ---------- */
.tugas-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-detail {
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  color: white;
  padding: 9px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 6px 16px -6px rgba(91, 95, 199, 0.55);
}

.btn-detail:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px -6px rgba(91, 95, 199, 0.6);
}

.btn-edit,
.btn-delete {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.btn-edit {
  background: linear-gradient(135deg, var(--amber), var(--amber-deep));
  color: white;
  box-shadow: 0 6px 14px -6px rgba(217, 119, 6, 0.55);
}

.btn-edit:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -6px rgba(217, 119, 6, 0.6);
}

.btn-delete {
  background: linear-gradient(135deg, var(--rose), var(--rose-deep));
  color: white;
  box-shadow: 0 6px 14px -6px rgba(220, 38, 38, 0.55);
}

.btn-delete:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px -6px rgba(220, 38, 38, 0.6);
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 70px 20px;
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm), var(--shadow-md);
}

.empty-state i {
  font-size: 60px;
  color: transparent;
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.35;
  margin-bottom: 20px;
  display: inline-block;
}

.empty-state p {
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state small {
  color: var(--ink-faint);
}

/* ---------- Modal Styles ---------- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(30, 27, 60, 0.45);
  backdrop-filter: blur(3px);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 18px;
  padding: 32px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 30px 70px -20px rgba(30, 27, 60, 0.45);
}

.modal-small {
  max-width: 400px;
  text-align: center;
}

.modal-icon-warning {
  width: 80px;
  height: 80px;
  background: var(--amber-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.modal-icon-warning i {
  font-size: 38px;
  color: var(--amber-deep);
}

.form-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 22px;
}

.btn-cancel-delete {
  padding: 12px 24px;
  background: #eef0f7;
  color: var(--ink);
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-cancel-delete:hover {
  background: #dfe2f0;
}

.btn-confirm-delete {
  padding: 12px 24px;
  background: linear-gradient(135deg, var(--rose), var(--rose-deep));
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 8px 18px -6px rgba(220, 38, 38, 0.5);
}

.btn-confirm-delete:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px -6px rgba(220, 38, 38, 0.55);
}

/* ========== RESPONSIVE DESIGN FOR TUGAS ========== */

@media (max-width: 1024px) {
  .tugas-container {
    padding: 1.5rem;
  }

  .tugas-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
  }

  .tugas-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 768px) {
  .tugas-container {
    padding: 1rem;
  }

  .tugas-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
    text-align: center;
  }

  .tugas-header h1 {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    justify-content: center;
  }

  .subtitle {
    padding-left: 0;
  }

  .btn-add-tugas {
    width: 100%;
    justify-content: center;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    min-height: 44px;
  }

  .tugas-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .tugas-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .stat-card {
    padding: 1.25rem;
    flex-direction: row;
    gap: 1rem;
  }

  .stat-icon {
    width: 3rem;
    height: 3rem;
    font-size: 1.125rem;
    flex-shrink: 0;
  }

  .stat-info h3 {
    font-size: 1.375rem;
  }

  .stat-info p {
    font-size: 0.875rem;
  }

  .tugas-section h2 {
    font-size: clamp(1.125rem, 3.5vw, 1.25rem);
    justify-content: center;
    text-align: center;
  }

  .tugas-card {
    border-radius: 16px;
  }

  .card-top-bar {
    padding: 0.875rem 1rem 0;
    gap: 0.5rem;
  }

  .badge-attachment {
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
  }

  .tugas-type {
    font-size: 0.875rem;
  }

  .tugas-difficulty {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }

  .tugas-content {
    padding: 1rem 1.25rem;
  }

  .tugas-title {
    font-size: clamp(1rem, 3vw, 1.125rem);
    line-height: 1.4;
  }

  .tugas-subject {
    font-size: 0.875rem;
  }

  .tugas-description {
    font-size: 0.875rem;
    line-height: 1.6;
  }

  .tugas-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .meta-item {
    font-size: 0.8125rem;
  }

  .tugas-footer {
    padding: 1rem 1.25rem;
  }

  .deadline-date {
    font-size: 0.875rem;
  }

  .deadline-countdown {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
  }

  .tugas-actions {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
  }

  .btn-detail {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    min-height: 44px;
  }

  .btn-edit,
  .btn-delete {
    width: 44px;
    height: 44px;
    border-radius: 10px;
  }

  .modal-content {
    width: calc(100% - 2rem);
    margin: 1rem;
    padding: 1.5rem;
    border-radius: 16px;
    max-height: calc(100vh - 2rem);
  }

  .modal-small {
    max-width: none;
  }

  .modal-icon-warning {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
  }

  .modal-icon-warning i {
    font-size: 2rem;
  }

  .form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-cancel-delete,
  .btn-confirm-delete {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    min-height: 44px;
  }
}

@media (max-width: 480px) {
  .tugas-container {
    padding: 0.75rem;
  }

  .tugas-header {
    gap: 0.75rem;
  }

  .tugas-header h1 {
    font-size: clamp(1.125rem, 5vw, 1.25rem);
  }

  .btn-add-tugas {
    padding: 0.875rem 1.25rem;
    font-size: 0.9375rem;
  }

  .tugas-grid {
    gap: 1rem;
  }

  .stat-card {
    padding: 1rem;
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }

  .stat-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1rem;
    margin: 0 auto;
  }

  .stat-info h3 {
    font-size: 1.25rem;
  }

  .tugas-section h2 {
    font-size: clamp(1rem, 4vw, 1.125rem);
  }

  .tugas-card {
    border-radius: 12px;
  }

  .card-top-bar {
    padding: 0.75rem 0.875rem 0;
  }

  .tugas-content {
    padding: 0.875rem 1rem;
  }

  .tugas-footer {
    padding: 0.875rem 1rem;
  }

  .tugas-title {
    font-size: clamp(0.9375rem, 3.5vw, 1rem);
  }

  .tugas-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

  .btn-detail {
    width: 100%;
    min-width: auto;
  }

  .btn-edit,
  .btn-delete {
    width: 100%;
    height: 44px;
    border-radius: 10px;
    justify-content: center;
    gap: 0.5rem;
  }

  .btn-edit::after {
    content: 'Edit';
    font-size: 0.875rem;
  }

  .btn-delete::after {
    content: 'Hapus';
    font-size: 0.875rem;
  }

  .empty-state {
    padding: 2rem 1rem;
  }

  .empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
  }

  .empty-state p {
    font-size: 1rem;
  }
}

@media (max-width: 768px) and (orientation: landscape) {
  .tugas-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-card {
    flex-direction: row;
    text-align: left;
  }

  .tugas-actions {
    flex-direction: row;
    justify-content: flex-start;
  }

  .btn-edit,
  .btn-delete {
    width: 44px;
    height: 44px;
  }

  .btn-edit::after,
  .btn-delete::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .tugas-card {
    cursor: pointer;
  }

  .tugas-card:active {
    transform: scale(0.98);
  }

  .status-badge {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .tugas-difficulty {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }

  .tugas-description {
    margin-bottom: 1rem;
  }

  .deadline-info {
    margin-bottom: 1rem;
  }

  .student-status {
    margin-bottom: 1rem;
  }
}

@media (max-width: 768px) {
  .tugas-card.loading {
    opacity: 0.6;
    pointer-events: none;
  }

  .btn-detail.loading,
  .btn-edit.loading,
  .btn-delete.loading {
    opacity: 0.6;
    pointer-events: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tugas-card,
  .stat-card,
  .btn-add-tugas,
  .btn-detail,
  .btn-edit,
  .btn-delete,
  .btn-confirm-delete {
    transition: none !important;
  }

  .tugas-card:hover,
  .stat-card:hover {
    transform: none !important;
  }

  .deadline-countdown.critical {
    animation: none !important;
  }
}
/* ==========================================================================
   Tugas — Create Form
   Consistent visual language with tugas-style.css (indigo/violet, layered depth)
   ========================================================================== */

.create-tugas-container {
  --indigo: #5b5fc7;
  --indigo-deep: #4338ca;
  --violet: #8b5cf6;
  --ink: #1e2338;
  --ink-soft: #55597a;
  --ink-faint: #9295b3;
  --rose: #f43f5e;
  --rose-deep: #dc2626;
  --green: #10b981;
  --green-deep: #059669;
  --amber: #f59e0b;
  --amber-deep: #d97706;
  --card-border: rgba(76, 63, 168, 0.08);
  --shadow-sm: 0 1px 2px rgba(30, 35, 56, 0.06);
  --shadow-md: 0 4px 14px rgba(46, 41, 110, 0.08);
  --shadow-lg: 0 18px 40px -12px rgba(46, 41, 110, 0.28);

  max-width: 880px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

/* ---------- Header ---------- */
.create-header {
  margin-bottom: 28px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-faint);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 14px;
  transition: color 0.2s ease;
}

.btn-back:hover {
  color: var(--indigo-deep);
}

.create-header h1 {
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.create-header h1 i {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  box-shadow: 0 6px 16px rgba(91, 95, 199, 0.35);
}

.create-header .subtitle {
  color: var(--ink-faint);
  font-size: 14.5px;
  margin: 0;
  padding-left: 52px;
}

/* ---------- Form sections ---------- */
.create-form {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.form-section {
  background: #ffffff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 24px 26px;
  box-shadow: var(--shadow-sm), var(--shadow-md);
}

.form-section h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(76, 63, 168, 0.08);
}

.form-section h2 i {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  font-size: 13px;
  color: var(--indigo-deep);
  background: rgba(91, 95, 199, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.form-row .form-group {
  margin-bottom: 0;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
}

.form-group label .label-hint {
  font-weight: 500;
  color: var(--indigo-deep);
  font-size: 12px;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="datetime-local"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #e4e6f1;
  border-radius: 10px;
  font-size: 14px;
  color: var(--ink);
  background: #fbfbfe;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-sizing: border-box;
  font-family: inherit;
}

.form-group textarea {
  resize: vertical;
  min-height: 90px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--indigo);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(91, 95, 199, 0.12);
}

.form-group small {
  font-size: 12px;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 5px;
}

.form-group small.field-error {
  color: var(--rose-deep);
  font-weight: 600;
}

/* ---------- Multi-class checkbox select ---------- */
.multiselect-class-wrap {
  border: 1.5px solid #e4e6f1;
  border-radius: 12px;
  padding: 10px;
  max-height: 220px;
  overflow-y: auto;
  background: #fbfbfe;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.multiselect-class-wrap.multiselect-empty {
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--ink-faint);
  font-size: 13.5px;
}

.class-check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.class-check-item:hover {
  background: rgba(91, 95, 199, 0.08);
}

.class-check-item input[type="checkbox"] {
  width: 17px;
  height: 17px;
  accent-color: var(--indigo);
  cursor: pointer;
  flex-shrink: 0;
}

.class-check-label {
  font-size: 14px;
  color: var(--ink);
  font-weight: 500;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.class-check-label em {
  font-style: normal;
  color: var(--indigo-deep);
  font-size: 12.5px;
  font-weight: 600;
}

.class-check-count {
  font-size: 11.5px;
  color: var(--ink-faint);
  background: rgba(76, 63, 168, 0.06);
  padding: 2px 8px;
  border-radius: 20px;
}

/* ---------- Checkbox group (advanced settings) ---------- */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1.5px solid #e4e6f1;
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
  position: relative;
}

.checkbox-label:hover {
  border-color: rgba(91, 95, 199, 0.35);
  background: rgba(91, 95, 199, 0.03);
}

.checkbox-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkmark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid #d6d9ea;
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: all 0.2s ease;
  background: #fff;
}

.checkbox-label input:checked + .checkmark {
  background: linear-gradient(135deg, var(--indigo), var(--violet));
  border-color: transparent;
}

.checkbox-label input:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.checkbox-text strong {
  font-size: 14px;
  color: var(--ink);
  font-weight: 700;
}

.checkbox-text small {
  font-size: 12.5px;
  color: var(--ink-faint);
}

/* ---------- Preview section ---------- */
.preview-section {
  background: linear-gradient(180deg, #fbfaff 0%, #f6f5fc 100%);
  border: 1.5px dashed rgba(91, 95, 199, 0.35);
}

.preview-content {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--card-border);
}

.preview-header h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.preview-meta {
  font-size: 13px;
  color: var(--ink-faint);
  font-weight: 500;
}

.preview-classes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.preview-class-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(91, 95, 199, 0.1);
  color: var(--indigo-deep);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

.preview-class-chip.preview-class-empty {
  background: var(--rose-bg, #fdedf0);
  color: var(--rose-deep);
}

.preview-description {
  margin: 14px 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.preview-deadline {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--indigo-deep);
  font-weight: 600;
}

/* ---------- Form actions ---------- */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 4px 2px;
}

.action-buttons {
  display: flex;
  gap: 10px;
}

.btn-preview {
  padding: 11px 20px;
  background: #ffffff;
  color: var(--indigo-deep);
  border: 1.5px solid rgba(91, 95, 199, 0.3);
  border-radius: 10px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-preview:hover {
  background: rgba(91, 95, 199, 0.06);
  border-color: var(--indigo);
}

.btn-cancel {
  padding: 11px 22px;
  background: #eef0f7;
  color: var(--ink);
  border-radius: 10px;
  font-weight: 600;
  font-size: 13.5px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: background 0.2s ease;
}

.btn-cancel:hover {
  background: #dfe2f0;
}

.btn-submit {
  padding: 11px 24px;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--violet) 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  font-size: 13.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 20px -6px rgba(91, 95, 199, 0.55);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px -6px rgba(91, 95, 199, 0.6);
}

/* ---------- File preview chip ---------- */
.file-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(91, 95, 199, 0.06);
  border: 1px solid rgba(91, 95, 199, 0.18);
  border-radius: 10px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink);
}

.file-preview i {
  color: var(--indigo);
}

.btn-remove-file {
  margin-left: auto;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: rgba(244, 63, 94, 0.12);
  color: var(--rose-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.btn-remove-file:hover {
  background: rgba(244, 63, 94, 0.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .create-tugas-container {
    padding: 1rem;
  }

  .form-section {
    padding: 1.25rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-row .form-group {
    margin-bottom: 18px;
  }

  .form-row .form-group:last-child {
    margin-bottom: 0;
  }

  .form-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .action-buttons {
    flex-direction: column-reverse;
  }

  .btn-preview,
  .btn-cancel,
  .btn-submit {
    width: 100%;
    justify-content: center;
  }
}