.student-session-layout {
  max-width: 900px;
  margin: 0 auto;
}

.student-shell {
  display: grid;
  gap: 1rem;
}

.student-session-note {
  margin-top: -0.35rem;
  margin-bottom: 0.1rem;
}

.code-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.45rem;
}

.code-cell {
  min-height: 2.8rem;
  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, var(--color-border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface));
  text-align: center;
  font-size: var(--text-lg);
  font-family: var(--font-mono);
  color: var(--color-primary);
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.code-cell:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 24%, transparent);
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-surface));
}

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

.student-result-card {
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 0.85rem;
  display: grid;
  gap: 0.2rem;
}

.student-result-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
  font-weight: 700;
}

.student-result-value {
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 700;
}

.student-cta {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}

@media (max-width: 780px) {
  .code-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .student-result-grid {
    grid-template-columns: 1fr;
  }

  .student-cta {
    flex-direction: column;
  }

  .student-cta .bp-btn {
    width: 100%;
  }
}