/* ============================================================
   py-exercise – Quarto extension
   Interactive Python exercise cells with hidden unit tests.
   ============================================================ */

/* Exercise container */
.py-exercise-cell {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-left: 4px solid #0d6efd;
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--bs-tertiary-bg, #f8f9fa);
  color: var(--bs-body-color, #212529);
}

/* Monaco editor wrapper (Monaco itself switches vs/vs-dark via JS) */
.py-exercise-editor {
  border: 1px solid var(--bs-border-color, #ced4da);
  border-radius: 4px;
  overflow: hidden;
  min-height: 80px;
  margin-bottom: 0.75rem;
  background: var(--bs-body-bg, #ffffff);
}

/* Button bar */
.py-exercise-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.py-exercise-buttons > button {
  flex-shrink: 0;
  white-space: nowrap;
}

/* Common CTM button size, shared by all CTM components (math-exercise,
   py-exercise, pyodide-interaktiv, ai-feedback). Set the --ctm-button-*
   variables in your CSS or theme to change all of them together. */
.py-exercise-buttons > button,
.py-download-btn,
.py-submission-export-btn {
  font-size: var(--ctm-button-font-size, .875rem);
  padding: var(--ctm-button-padding-y, .375rem) var(--ctm-button-padding-x, .75rem);
  line-height: var(--ctm-button-line-height, 1.5);
  border-radius: var(--ctm-button-radius, var(--bs-border-radius, .375rem));
}

/* Running indicator */
.py-exercise-running {
  color: var(--bs-secondary-color, #6c757d);
  font-style: italic;
  padding: 0.4rem 0;
}

/* Error box (student code has a runtime / syntax error) */
.py-exercise-error {
  background: #fff3f3;
  border: 1px solid #f5c2c7;
  border-radius: 4px;
  padding: 0.75rem;
  color: #842029;
}

.py-exercise-error pre {
  font-size: 0.8rem;
  margin: 0.5rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}

/* Captured stdout from student code */
.py-exercise-stdout {
  background: var(--bs-body-bg, #ffffff);
  color: var(--bs-body-color, #212529);
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-radius: 4px;
  padding: 0.4rem 0.75rem;
  margin-bottom: 0.6rem;
  font-size: 0.875rem;
}

.py-exercise-stdout-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bs-secondary-color, #6c757d);
  margin-bottom: 0.2rem;
}

.py-exercise-stdout pre {
  margin: 0;
  background: transparent;
  border: none;
  padding: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Test summary */
.py-exercise-summary {
  padding: 0.25rem 0;
}

.py-exercise-all-passed {
  color: #0f5132;
  background: #d1e7dd;
  border: 1px solid #badbcc;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
}

.py-exercise-some-failed {
  color: #842029;
  background: #f8d7da;
  border: 1px solid #f5c2c7;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

/* Per-test list (shown when there are multiple tests) */
.py-exercise-test-list {
  list-style: none;
  padding: 0.25rem 0 0;
  margin: 0;
}

.py-exercise-test-list li {
  padding: 0.15rem 0.5rem;
  font-size: 0.875rem;
}

.py-test-pass { color: #0f5132; }
.py-test-fail { color: #842029; }

/* Forbidden construct violations */
.py-exercise-violations {
  background: #fff3cd;
  border: 1px solid #ffecb5;
  border-left: 4px solid #ffc107;
  border-radius: 4px;
  padding: 0.75rem;
  color: #664d03;
}

.py-exercise-violation-list {
  margin: 0.4rem 0 0;
  padding-left: 1.25rem;
  font-size: 0.875rem;
}

.py-exercise-violation-list li {
  padding: 0.1rem 0;
}

/* Single-test hint / assertion message */
.py-exercise-hint {
  color: #664d03;
  background: #fff3cd;
  border: 1px solid #ffecb5;
  border-radius: 4px;
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

/* ============================================================
   Submission header & footer
   ============================================================ */

.py-submission-header {
  border: 1px solid var(--bs-border-color, #c3cfe2);
  border-left: 4px solid #198754;
  border-radius: 6px;
  background: var(--bs-tertiary-bg, #f0faf4);
  color: var(--bs-body-color, #212529);
  padding: 0.85rem 1.25rem;
  margin-bottom: 2rem;
}

.py-submission-header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.py-submission-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
}

.py-submission-fields {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  flex: 1;
}

.py-submission-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 160px;
}

.py-submission-field label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #555;
}

.py-submission-field input {
  font-size: 0.9rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid #ced4da;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}

.py-submission-field input:focus {
  border-color: #198754;
  box-shadow: 0 0 0 2px rgba(25, 135, 84, 0.2);
}

/* Footer */
.py-submission-footer {
  border: 1px solid var(--bs-border-color, #c3cfe2);
  border-left: 4px solid #198754;
  border-radius: 6px;
  background: var(--bs-tertiary-bg, #f0faf4);
  color: var(--bs-body-color, #212529);
  padding: 1rem 1.25rem;
  margin-top: 2rem;
}

.py-submission-msg {
  margin-top: 0.5rem;
}

.py-submission-error {
  color: #842029;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.py-submission-output-wrap {
  margin-top: 0.75rem;
}

.py-submission-output-labelrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.py-submission-output-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #555;
}

.py-submission-copy-btn {
  font-size: 0.78rem;
  padding: 0.15rem 0.5rem;
  transition: background-color 0.2s, color 0.2s;
}

.py-submission-copy-ok {
  background-color: #d1e7dd !important;
  color: #0f5132 !important;
  border-color: #badbcc !important;
}

/* Download section (inside submission footer or standalone) */
.py-download-footer {
  border: 1px solid var(--bs-border-color, #dee2e6);
  border-left: 4px solid #6c757d;
  border-radius: 6px;
  background: var(--bs-tertiary-bg, #f8f9fa);
  color: var(--bs-body-color, #212529);
  padding: 0.85rem 1.25rem;
  margin-top: 2rem;
}

.py-download-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.py-download-btn {
  white-space: nowrap;
}

.py-download-hint {
  font-size: 0.8rem;
  color: #6c757d;
}

.py-footer-sep {
  margin: 0.75rem 0;
  border-color: #ced4da;
}

.py-submission-output {
  width: 100%;
  font-family: monospace;
  font-size: 0.78rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid #ced4da;
  border-radius: 4px;
  background: #fff;
  resize: vertical;
  color: #333;
  cursor: pointer;
}