@import url("variables.css");

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease,
    border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  border-color: var(--color-gray-200);
  color: var(--color-gray-800);
}

.btn--ghost:hover {
  border-color: var(--color-gray-400);
}

.btn--danger {
  background: rgba(197, 48, 48, 0.1);
  border-color: rgba(197, 48, 48, 0.35);
  color: var(--color-danger);
}

.btn--danger:hover {
  background: rgba(197, 48, 48, 0.16);
}

.btn--block {
  width: 100%;
}

.btn--sm {
  padding: 8px 12px;
  font-size: var(--fs-xs);
}

.role-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
  color: var(--color-gray-800);
}

.role-badge--student {
  border-color: rgba(37, 99, 235, 0.35);
  background: var(--color-active-soft);
  color: #1e40af;
}

.role-badge--tutor {
  border-color: rgba(31, 138, 91, 0.35);
  background: var(--color-success-soft);
  color: #166534;
}

.role-badge--admin {
  border-color: rgba(30, 58, 95, 0.35);
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.grid-dashboard {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-5);
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--interactive:hover {
  transform: translateY(-2px);
}

.card__title {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-md);
  font-weight: 600;
}

.card__muted {
  margin: 0;
  color: var(--color-gray-600);
  font-size: var(--fs-sm);
}

.stat-card {
  grid-column: span 3;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stat-card__label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-600);
}

.stat-card__value {
  font-size: var(--fs-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.stat-card__hint {
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
}

.span-12 {
  grid-column: span 12;
}
.span-8 {
  grid-column: span 8;
}
.span-6 {
  grid-column: span 6;
}
.span-4 {
  grid-column: span 4;
}

@media (max-width: 1100px) {
  .stat-card {
    grid-column: span 6;
  }
  .span-8,
  .span-6,
  .span-4 {
    grid-column: span 12;
  }
}

@media (max-width: 640px) {
  .stat-card {
    grid-column: span 12;
  }
}

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
  background: var(--bg-card);
}

.table th,
.table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: middle;
}

.table th {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gray-600);
  background: var(--color-gray-50);
}

.table tr:last-child td {
  border-bottom: none;
}

.table tbody tr:hover td {
  background: rgba(30, 58, 95, 0.03);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  font-weight: 600;
}

.pill--success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.pill--warning {
  background: var(--color-warning-soft);
  color: #b45309;
}

.pill--muted {
  background: var(--color-gray-100);
  color: var(--color-gray-600);
}

.pill--info {
  background: var(--color-active-soft);
  color: #1d4ed8;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: var(--color-gray-100);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), #3b82f6);
  transition: width 0.35s ease;
}

.empty-state {
  padding: var(--space-6);
  text-align: center;
  color: var(--color-gray-600);
  font-size: var(--fs-sm);
}

.locked-overlay {
  position: relative;
}

.locked-overlay__content {
  filter: grayscale(1);
  opacity: 0.45;
  pointer-events: none;
  user-select: none;
}

.locked-overlay__mask {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: rgba(246, 248, 251, 0.72);
  border-radius: inherit;
  text-align: center;
  padding: var(--space-4);
}

.locked-overlay__title {
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--color-gray-800);
}

.locked-overlay__note {
  font-size: var(--fs-xs);
  color: var(--color-gray-600);
  max-width: 260px;
}

.lock-icon {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--color-gray-100);
  display: grid;
  place-items: center;
  border: 1px solid var(--color-gray-200);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  font-size: var(--fs-xs);
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field label {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-gray-600);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-200);
  background: white;
}

.textarea {
  min-height: 96px;
  resize: vertical;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.35);
  outline-offset: 1px;
  border-color: rgba(37, 99, 235, 0.55);
}

.form-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  flex-wrap: wrap;
}

.modal-root[hidden],
[hidden] {
  display: none !important;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
}

.modal-dialog {
  position: relative;
  max-width: 560px;
  margin: 8vh auto;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-dialog--wide {
  max-width: 900px;
}

.modal-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}

.modal-title {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 700;
}

.modal-body {
  padding: var(--space-5);
  max-height: min(62vh, 720px);
  overflow: auto;
}

.modal-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.landing-hero {
  padding: clamp(48px, 8vw, 96px) var(--space-5) var(--space-6);
  max-width: 1100px;
  margin: 0 auto;
}

.landing-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.03em;
}

.landing-subtitle {
  margin: 0 0 var(--space-6);
  color: var(--color-gray-600);
  max-width: 62ch;
  font-size: var(--fs-lg);
}

.role-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-5);
}

.role-card {
  background: var(--bg-card);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-height: 180px;
}

.role-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.role-card__label {
  font-weight: 700;
  font-size: var(--fs-lg);
}

.role-card__desc {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-gray-600);
}

.role-card__cta {
  margin-top: auto;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
}

@media (max-width: 1100px) {
  .role-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .role-cards {
    grid-template-columns: 1fr;
  }
}

.print-sheet {
  padding: var(--space-6);
}

.print-sheet h2 {
  margin-top: 0;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: var(--fs-xs);
}