.scan-shell {
  display: grid;
  gap: 16px;
}

.scan-hero {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #111827, #164e63 48%, #0f766e);
  box-shadow: var(--shadow);
}

.scan-hero h3 {
  margin: 10px 0 6px;
  font-size: 30px;
}

.scan-hero p {
  margin: 0;
  color: rgba(255,255,255,.76);
}

.scan-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.switch-row.compact {
  min-height: 38px;
  margin: 0;
  color: var(--text);
}

.scan-console {
  display: grid;
  grid-template-columns: minmax(320px, .7fr) minmax(0, 1fr);
  gap: 16px;
}

.scan-input-card,
.scan-result-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.scan-input-card .form-control {
  min-height: 68px;
  border-radius: 8px;
  font-size: 24px;
  text-align: center;
}

.scan-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.scan-result-card {
  min-height: 250px;
  display: grid;
  align-content: center;
  gap: 12px;
}

.scan-result-card.idle {
  text-align: center;
  color: var(--muted);
}

.scan-result-card.success {
  border-color: rgba(4, 120, 87, .45);
  background: linear-gradient(135deg, rgba(4,120,87,.12), var(--panel));
}

.scan-result-card.error {
  border-color: rgba(225, 29, 72, .42);
  background: linear-gradient(135deg, rgba(225,29,72,.12), var(--panel));
}

.scan-result-card.loading {
  border-color: rgba(37, 99, 235, .40);
}

.scan-student {
  display: flex;
  gap: 12px;
  align-items: center;
}

.scan-avatar {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  color: #fff;
  background: #2563eb;
  font-size: 26px;
  font-weight: 800;
}

.scan-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scan-student p {
  margin: 4px 0 0;
  color: var(--muted);
}

.scan-meta,
.scan-alerts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.scan-meta span,
.scan-alerts span {
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--panel-solid);
  border: 1px solid var(--line);
}

.scan-alerts span {
  color: #92400e;
  background: rgba(217, 119, 6, .16);
}

.scan-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
}

.scan-log {
  display: grid;
  gap: 8px;
}

.scan-log-item {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) 1.5fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-solid);
}

.scan-log-item.ok {
  border-inline-start: 4px solid #047857;
}

.scan-log-item.bad {
  border-inline-start: 4px solid #be123c;
}

.scan-log-item span,
.scan-log-item small,
.scan-rules {
  color: var(--muted);
}

.scan-rules {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-inline-start: 20px;
}

.enrollment-picker {
  display: grid;
  gap: 10px;
}

.enrollment-choice {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel-solid);
  text-align: start;
}

.enrollment-choice:hover {
  border-color: #2563eb;
  background: rgba(37, 99, 235, .10);
}

@media (max-width: 1000px) {
  .scan-hero,
  .scan-console,
  .scan-grid {
    grid-template-columns: 1fr;
  }

  .scan-hero {
    display: grid;
  }
}

@media (max-width: 640px) {
  .scan-actions,
  .scan-log-item,
  .enrollment-choice {
    grid-template-columns: 1fr;
  }
}