* {
  box-sizing: border-box;
}

body {
  background: #f5f7fb;
  color: #172033;
  font-family: Arial, Helvetica, sans-serif;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 10000;
  padding: 10px 14px;
  border-radius: 10px;
  background: #ffffff;
  color: #061a3a;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid #061a3a;
}

.skip-link:focus {
  top: 16px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #061a3a !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 0 6px rgba(0, 209, 199, 0.35) !important;
}

.sessions-page {
  min-height: 100vh;
  padding: 24px;
}

.sessions-header,
.sessions-filter-card,
.sessions-list-card,
.session-detail-card {
  background: #ffffff;
  border: 1px solid #dfe5ee;
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(23, 32, 51, 0.06);
}

.sessions-header {
  width: min(1180px, 100%);
  margin: 0 auto 18px;
  padding: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.sessions-brand {
  color: #00a9a1;
  font-weight: 800;
  margin-bottom: 6px;
}

.sessions-header h1 {
  font-size: 30px;
  margin-bottom: 6px;
}

.sessions-header p,
.filter-title p,
.sessions-list-header p {
  color: #667085;
  line-height: 1.45;
}

.sessions-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.secondary-link {
  color: #2d3748;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.secondary-link:hover,
.secondary-link:focus-visible {
  color: #061a3a;
  text-decoration: underline;
}

.sessions-filter-card {
  width: min(1180px, 100%);
  margin: 0 auto 18px;
  padding: 18px;
}

.filter-title {
  margin-bottom: 14px;
}

.filter-title h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.filter-grid {
  display: grid;
  grid-template-columns: minmax(180px, 240px) minmax(180px, 240px) auto auto;
  gap: 12px;
  align-items: end;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-field span {
  color: #344054;
  font-size: 13px;
  font-weight: 700;
}

.filter-field input,
.filter-field select {
  height: 42px;
  border: 1px solid #dfe5ee;
  border-radius: 10px;
  padding: 0 12px;
  background: #ffffff;
  color: #172033;
  outline: none;
}

.filter-field input:focus,
.filter-field select:focus,
.filter-field input:focus-visible,
.filter-field select:focus-visible {
  border-color: #00d1c7;
  box-shadow: 0 0 0 3px rgba(0, 209, 199, 0.12);
}

.compact-btn {
  margin-top: 0;
  padding: 11px 14px;
  font-size: 13px;
  white-space: nowrap;
}

.filter-summary {
  margin-top: 14px;
  color: #667085;
  font-size: 13px;
  line-height: 1.45;
}

.sessions-layout {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 18px;
}

.sessions-list-card,
.session-detail-card {
  padding: 18px;
}

.sessions-list-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.sessions-review-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: calc(100vh - 310px);
  overflow-y: auto;
  padding-right: 4px;
}

.session-review-item {
  width: 100%;
  text-align: left;
  border: 1px solid #dfe5ee;
  border-radius: 12px;
  background: #f8fafc;
  padding: 12px;
  cursor: pointer;
  color: #172033;
}

.session-review-item:hover,
.session-review-item:focus-visible,
.session-review-item.active {
  border-color: #00d1c7;
  background: #e6fffb;
}

.session-review-item.active {
  border-width: 2px;
}

.session-review-item strong {
  display: block;
  margin-bottom: 5px;
  word-break: break-word;
}

.session-review-item span {
  display: block;
  color: #667085;
  font-size: 12px;
  line-height: 1.4;
}

.interface-badge {
  display: inline-block !important;
  margin-bottom: 8px;
  color: #006b66 !important;
  background: #e6fffb;
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px !important;
  font-weight: 800;
  text-transform: uppercase;
}

.session-detail-card h2 {
  margin-bottom: 6px;
}

.session-detail-content {
  margin-top: 18px;
}

.review-turn {
  border: 1px solid #dfe5ee;
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 14px;
  background: #ffffff;
}

.review-question {
  background: #e6fffb;
}

.review-answer {
  background: #f8fafc;
}

.review-turn-role {
  font-weight: 800;
  margin-bottom: 8px;
  color: #172033;
}

.review-turn-text {
  line-height: 1.55;
  white-space: pre-wrap;
}

.blackboard-review {
  margin-top: 12px;
  border-top: 1px solid #dfe5ee;
  padding-top: 12px;
}

.empty-state {
  color: #667085;
  background: #f8fafc;
  border: 1px dashed #d0d5dd;
  border-radius: 12px;
  padding: 18px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}

@media (max-width: 900px) {
  .sessions-page {
    padding: 14px;
  }

  .sessions-header {
    flex-direction: column;
  }

  .sessions-actions {
    width: 100%;
    justify-content: space-between;
  }

  .filter-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sessions-layout {
    grid-template-columns: 1fr;
  }

  .sessions-review-list {
    max-height: 360px;
  }
}

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

  .sessions-header h1 {
    font-size: 24px;
  }
}