/* =========================================================
   EduZone QCM — Espace professeur
   Complément au thème cybersécurité existant
   ========================================================= */

.teacher-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.teacher-kicker {
  color: var(--cyber-cyan, #38e8ff);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.teacher-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--cyber-muted, #93a9bd);
  font-size: 0.9rem;
}

.teacher-breadcrumb a {
  color: var(--cyber-cyan, #38e8ff);
}

.teacher-panel {
  border: 1px solid var(--cyber-border, rgba(56, 232, 255, 0.24));
  border-radius: 16px;
  background:
    linear-gradient(
      145deg,
      rgba(14, 31, 50, 0.97),
      rgba(7, 18, 32, 0.98)
    );
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(56, 232, 255, 0.03);
}

.teacher-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.teacher-metric-card {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--cyber-border, rgba(56, 232, 255, 0.24));
  border-radius: 14px;
  background:
    linear-gradient(
      145deg,
      rgba(14, 31, 50, 0.95),
      rgba(7, 18, 32, 0.96)
    );
}

.teacher-metric-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background:
    linear-gradient(
      90deg,
      transparent,
      var(--cyber-cyan, #38e8ff),
      var(--cyber-green, #39ff9a),
      transparent
    );
  content: "";
}

.teacher-metric-card span {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--cyber-muted, #93a9bd);
  font-size: 0.73rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.teacher-metric-card strong {
  color: #f6fcff;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1;
}

.teacher-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.teacher-table-wrap {
  border: 1px solid rgba(145, 177, 205, 0.14);
  border-radius: 12px;
  overflow: auto;
}

.teacher-table-wrap .table {
  min-width: 760px;
}

.teacher-empty-state {
  padding: 2.25rem 1rem;
  text-align: center;
}

.teacher-badge-ai {
  border: 1px solid rgba(169, 120, 255, 0.35);
  color: #d9c7ff;
  background: rgba(169, 120, 255, 0.12);
}

.teacher-badge-concept {
  border: 1px solid rgba(56, 232, 255, 0.32);
  color: #b8f7ff;
  background: rgba(56, 232, 255, 0.1);
}

.teacher-check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.teacher-check-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  min-height: 100%;
  padding: 0.9rem;
  border: 1px solid rgba(145, 177, 205, 0.16);
  border-radius: 12px;
  background: rgba(3, 12, 23, 0.46);
  cursor: pointer;
}

.teacher-check-card:has(input:checked) {
  border-color: rgba(56, 232, 255, 0.42);
  background: rgba(56, 232, 255, 0.08);
}

.teacher-check-card input {
  flex: 0 0 auto;
  margin-top: 0.2rem;
}

.teacher-check-card strong,
.teacher-check-card small {
  display: block;
}

.teacher-check-card small {
  margin-top: 0.2rem;
  color: var(--cyber-muted, #93a9bd);
  font-weight: 400;
}

.teacher-question-list {
  display: grid;
  gap: 1rem;
}

.teacher-question-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  border: 1px solid rgba(145, 177, 205, 0.16);
  border-radius: 14px;
  background: rgba(3, 12, 23, 0.42);
}

.teacher-question-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  border: 1px solid rgba(56, 232, 255, 0.35);
  border-radius: 50%;
  color: var(--cyber-cyan, #38e8ff);
  background: rgba(56, 232, 255, 0.08);
  font-weight: 800;
}

.teacher-question-content {
  min-width: 0;
}

.teacher-question-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 7rem;
}

.teacher-question-actions form,
.teacher-actions form {
  margin: 0;
}

.teacher-choice-preview {
  display: grid;
  gap: 0.4rem;
  padding-left: 1.3rem;
  color: var(--cyber-muted, #93a9bd);
}

.teacher-choice-correct {
  color: #a6ffd1;
  font-weight: 650;
}

.teacher-choice-correct::marker {
  color: var(--cyber-green, #39ff9a);
}

.teacher-validation-panel {
  border-color: rgba(255, 200, 87, 0.38);
  background: rgba(255, 200, 87, 0.08);
}

.teacher-choice-editor {
  display: grid;
  gap: 0.75rem;
}

.teacher-choice-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid rgba(145, 177, 205, 0.16);
  border-radius: 12px;
  background: rgba(3, 12, 23, 0.46);
}

.teacher-choice-correct-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
}

.teacher-remove-choice {
  width: 2.5rem;
  min-height: 2.5rem;
  padding: 0;
  font-size: 1.3rem;
  line-height: 1;
}

.teacher-analytics-list {
  display: grid;
  gap: 1rem;
}

.teacher-analytics-card {
  padding: 1rem;
  border: 1px solid rgba(145, 177, 205, 0.16);
  border-radius: 14px;
  background: rgba(3, 12, 23, 0.42);
}

.teacher-analytics-heading {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.teacher-success-gauge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 8rem;
}

.teacher-success-gauge strong {
  color: var(--cyber-cyan, #38e8ff);
  font-size: 1.5rem;
}

.teacher-success-gauge span {
  color: var(--cyber-muted, #93a9bd);
  font-size: 0.8rem;
}

.teacher-progress {
  height: 0.6rem;
  background: rgba(145, 177, 205, 0.12);
}

.teacher-progress .progress-bar {
  background:
    linear-gradient(
      90deg,
      var(--cyber-cyan, #38e8ff),
      var(--cyber-green, #39ff9a)
    );
}

@media (max-width: 900px) {
  .teacher-check-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .teacher-question-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .teacher-question-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    min-width: 0;
  }
}

@media (max-width: 560px) {
  .teacher-page-header {
    align-items: stretch;
  }

  .teacher-page-header > .btn,
  .teacher-page-header > .teacher-actions {
    width: 100%;
  }

  .teacher-page-header > .btn {
    text-align: center;
  }

  .teacher-question-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .teacher-question-index {
    width: 2.2rem;
    height: 2.2rem;
  }

  .teacher-choice-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .teacher-remove-choice {
    grid-column: 1 / -1;
    width: 100%;
  }

  .teacher-success-gauge {
    align-items: flex-start;
  }
}