/**
 * UI components shared with instructor-progress.html (KPI, progress bars, cards).
 * Used by app.html tabs «Tiến độ học tập», «Lớp học Mẹo» and «Ôn luyện & mẹo» for visual parity.
 */

.shadow-card {
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
}

.progress-stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (min-width: 768px) {
  .progress-stats-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 639px) {
  .progress-stats-row.progress-stats-row--no-bot {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.stat-card {
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  padding: 1rem 1.25rem;
}

@media (max-width: 639px) {
  .progress-stats-row.progress-stats-row--no-bot .stat-card {
    padding: 0.75rem 0.85rem;
  }
  .progress-stats-row.progress-stats-row--no-bot .stat-card .text-2xl {
    font-size: 1.125rem;
  }
}

.progress-track {
  height: 0.5rem;
  border-radius: 9999px;
  background: #e2e8f0;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.35s ease;
}

.progress-fill-theory {
  background: linear-gradient(90deg, #3b82f6, #6366f1);
}

.progress-fill-sim {
  background: linear-gradient(90deg, #8b5cf6, #a855f7);
}

.progress-fill-dat {
  background: linear-gradient(90deg, #f59e0b, #ea580c);
}

.progress-fill-tip {
  background: linear-gradient(90deg, #8b5cf6, #a855f7);
}

.progress-metric-card {
  width: 100%;
}

.progress-metric-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.progress-metric-label {
  font-size: 0.6875rem;
  font-weight: 500;
  color: #64748b;
  flex-shrink: 0;
}

.progress-metric-values {
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
  text-align: right;
  min-width: 0;
}

.progress-metric-values .progress-metric-sub {
  font-weight: 400;
  color: #94a3b8;
}

.progress-metric-card .progress-track {
  width: 100%;
}

.instructor-student-card {
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
  padding: 1.25rem;
}

.dash-progress-section {
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
  overflow: hidden;
}

.dash-progress-section-head {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.dash-progress-table-wrap {
  overflow-x: auto;
}

.dash-progress-table {
  width: 100%;
  min-width: 32rem;
  font-size: 0.875rem;
}

.dash-progress-table thead {
  background: #f8fafc;
  color: #475569;
  font-weight: 600;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dash-progress-table th,
.dash-progress-table td {
  padding: 0.75rem 1rem;
  vertical-align: middle;
}

.dash-progress-table tbody tr {
  border-bottom: 1px solid #f1f5f9;
}

.dash-progress-table tbody tr:hover {
  background: #f8fafc;
}

.dash-progress-table .theory-nested {
  background-color: #fafafa;
}

.dash-progress-footer {
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
  padding: 1rem 1.25rem;
}

.dash-start-panel {
  border-bottom: 1px solid #e2e8f0;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  padding: 1rem 1.25rem;
}

.dash-account-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #f1f5f9;
}

.dash-loading-card,
.dash-empty-card {
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 1px 3px rgba(16, 24, 40, 0.06);
}

.readiness-summary-card .dr-stat-tile {
  border-radius: 0.75rem;
  border: 1px solid #f1f5f9;
  background: #fff;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

#tab-dashboard .dash-progress-section-head h4 i.fa-book-open {
  color: #2563eb;
}

#tab-dashboard .dash-progress-section-head h4 i.fa-film {
  color: #7c3aed;
}

/* Dashboard tab — nút chính đồng bộ brand với instructor-progress */
#tab-dashboard .dash-btn-primary {
  background: #7c3aed;
  color: #fff;
}
#tab-dashboard .dash-btn-primary:hover {
  background: #6d28d9;
}
#tab-dashboard .dash-btn-primary:disabled,
#tab-dashboard .dash-btn-primary.cursor-not-allowed {
  background: #e5e7eb;
  color: #6b7280;
}
#tab-dashboard .dash-btn-outline {
  border: 1px solid #ddd6fe;
  background: #fff;
  color: #6d28d9;
}
#tab-dashboard .dash-btn-outline:hover {
  background: #f5f3ff;
  border-color: #c4b5fd;
}

#tab-dashboard #dash-readiness-card .dr-cta--brand {
  background: #7c3aed;
  color: #fff;
}
#tab-dashboard #dash-readiness-card .dr-cta--brand:hover {
  background: #6d28d9;
}
#tab-dashboard #dash-readiness-card .dr-factors-panel {
  border-color: #ede9fe;
}

/* Lớp học Mẹo tab */
#tab-tip-class .tc-btn-primary {
  background: #7c3aed;
  color: #fff;
}
#tab-tip-class .tc-btn-primary:hover:not(:disabled) {
  background: #6d28d9;
}
#tab-tip-class .tc-btn-outline {
  border: 1px solid #ddd6fe;
  background: #fff;
  color: #6d28d9;
}
#tab-tip-class .tc-btn-outline:hover {
  background: #f5f3ff;
  border-color: #c4b5fd;
}
#tab-tip-class .tc-lesson-btn:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 1px;
}
/* Ôn luyện GPLX tab */
#tab-gplx-practice .gp-btn-primary {
  background: #7c3aed;
  color: #fff;
}
#tab-gplx-practice .gp-btn-primary:hover:not(:disabled) {
  background: #6d28d9;
}
#tab-gplx-practice .gp-btn-primary:disabled {
  background: #e5e7eb;
  color: #6b7280;
  opacity: 1;
}
#tab-gplx-practice .gp-btn-outline {
  border: 1px solid #ddd6fe;
  background: #fff;
  color: #6d28d9;
}
#tab-gplx-practice .gp-btn-outline:hover {
  background: #f5f3ff;
  border-color: #c4b5fd;
}
#tab-gplx-practice .gp-exam-questions-scroll label:focus-within {
  outline: 2px solid #8b5cf6;
  outline-offset: 1px;
}

/* Mua gói dịch vụ tab — đồng bộ instructor-payment / instructor-progress */
.payment-stats-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

@media (min-width: 768px) {
  .payment-stats-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

#tab-payment .pay-method-option:has(input:checked) {
  border-color: #c4b5fd;
  background: #f5f3ff;
  box-shadow: inset 0 0 0 1px rgba(124, 58, 237, 0.12);
}

#tab-payment .pay-btn-primary:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 2px;
}

#tab-payment .pay-copy-btn:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 1px;
}