/* ============================================================
   Bootstrap Bridge CSS
   Maps common Bootstrap classes to JLPT/Tailwind-like styling.
============================================================ */

.container,
.container-fluid {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.col, .col-12 { flex: 1 1 100%; }
.col-6 { flex: 1 1 calc(50% - 1rem); }
.col-4 { flex: 1 1 calc(33.33% - 1rem); }
.col-3 { flex: 1 1 calc(25% - 1rem); }
@media (max-width: 900px) {
  .col-6, .col-4, .col-3 { flex: 1 1 100%; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: 0 10px 15px -12px rgba(0,0,0,.2);
}
.card-header {
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.card-body { padding: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.btn:hover { filter: brightness(0.98); }

.btn-primary {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
}
.btn-success { background: #16a34a; border-color: #16a34a; color: #fff; }
.btn-danger  { background: #dc2626; border-color: #dc2626; color: #fff; }
.btn-warning { background: #f59e0b; border-color: #f59e0b; color: #111827; }
.btn-info    { background: #0ea5e9; border-color: #0ea5e9; color: #fff; }
.btn-light   { background: var(--bg-secondary); border-color: var(--border); color: var(--text-primary); }
.btn-dark    { background: #111827; border-color: #111827; color: #fff; }

.form-control,
.form-select,
input.form-control,
select.form-select,
textarea.form-control {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  padding: 0.75rem 0.9rem;
  background: var(--bg-card);
  color: var(--text-primary);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 20%, transparent);
  outline: none;
}

.alert {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.9rem 1rem;
  background: color-mix(in srgb, var(--bg-secondary) 85%, transparent);
}
.alert-success { border-color: rgba(34,197,94,.4); }
.alert-danger  { border-color: rgba(239,68,68,.4); }
.alert-warning { border-color: rgba(245,158,11,.4); }
.alert-info    { border-color: rgba(14,165,233,.4); }

.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  overflow: hidden;
}
.table th, .table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.table thead th {
  background: color-mix(in srgb, var(--bg-secondary) 85%, transparent);
  text-align: left;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 700;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  padding-left: 0;
  list-style: none;
}
.page-link {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
}
.page-link:hover { filter: brightness(0.98); }
.page-item.active .page-link {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}