/* Practice Question Generator — page-specific styles */

/* ---------- Auth card ---------- */
.auth-card {
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 0;
}
.auth-card .serif-h {
  font-size: clamp(32px, 4vw, 44px);
  margin: 12px 0 16px;
}
.auth-card p {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink-2);
  margin: 0 0 28px;
}
.auth-form {
  display: flex;
  gap: 10px;
}
.auth-form input {
  flex: 1;
  padding: 13px 16px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: var(--body);
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  outline: none;
}
.auth-form input:focus {
  border-color: var(--teal);
}
.error-msg {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(188, 106, 62, 0.1);
  border: 1px solid rgba(188, 106, 62, 0.3);
  border-radius: 2px;
  color: var(--terracotta-2);
  font-size: 14px;
  text-align: left;
}

/* ---------- Generator header ---------- */
.gen-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.gen-title {
  font-size: clamp(28px, 3.5vw, 38px);
  margin: 8px 0 0;
}

/* ---------- Usage bar ---------- */
.usage-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  padding: 8px 14px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  white-space: nowrap;
}
.usage-sep {
  color: var(--rule-2);
}

/* ---------- Form ---------- */
.gen-form {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 28px;
  margin-bottom: 32px;
}
.form-row-3,
.form-row-4 {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}
.form-row-3 {
  grid-template-columns: 2fr 1fr 1fr;
}
.form-row-4 {
  grid-template-columns: 2fr 1fr 1fr 1fr;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 600;
}
.form-group .optional {
  font-weight: 400;
  color: var(--ink-3);
  text-transform: none;
  letter-spacing: 0;
}
.form-group select,
.form-group textarea {
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: var(--body);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  outline: none;
}
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
}
.form-group select option:disabled {
  color: var(--ink-4);
}
.form-group textarea {
  resize: vertical;
  min-height: 72px;
}
.char-count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-4);
  text-align: right;
  margin-top: 2px;
}

/* ---------- Example prompts ---------- */
.examples {
  margin: 20px 0 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--rule-2);
}
.examples-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 10px;
}
.example-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.example-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  border-radius: 99px;
  background: var(--paper);
  font-family: var(--serif);
  font-size: 13px;
  font-style: italic;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.example-chip:hover {
  border-color: var(--teal);
  background: rgba(46, 127, 127, 0.06);
  color: var(--ink);
}

/* ---------- Loading ---------- */
.loading {
  text-align: center;
  padding: 48px 0;
}
.loading p {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--ink-2);
  margin: 16px 0 0;
}
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--rule);
  border-top-color: var(--teal);
  border-radius: 50%;
  margin: 0 auto;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Error banner ---------- */
.error-banner {
  padding: 14px 18px;
  background: rgba(188, 106, 62, 0.1);
  border: 1px solid rgba(188, 106, 62, 0.3);
  border-radius: 2px;
  color: var(--terracotta-2);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ---------- AI disclaimer ---------- */
.disclaimer-banner {
  padding: 14px 18px;
  background: rgba(46, 127, 127, 0.08);
  border: 1px solid rgba(46, 127, 127, 0.25);
  border-radius: 2px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 24px;
}

/* ---------- Question cards ---------- */
.question-card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 28px;
  margin-bottom: 20px;
}
.q-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}
.q-number {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 600;
}
.q-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 99px;
}
.q-badge.approved {
  background: rgba(46, 127, 127, 0.12);
  color: var(--teal-2);
  border: 1px solid rgba(46, 127, 127, 0.3);
}
.q-badge.pending {
  background: var(--paper-2);
  color: var(--ink-3);
  border: 1px solid var(--rule);
}

/* Tags */
.q-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.q-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 2px;
  background: var(--paper-2);
  color: var(--ink-3);
  border: 1px solid var(--rule);
}

/* Stem */
.q-stem {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.45;
  color: var(--navy);
  margin-bottom: 20px;
}

/* Choices */
.q-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}
.q-choice {
  border: 1px solid var(--rule);
  padding: 10px 14px;
  border-radius: 2px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  gap: 10px;
  align-items: center;
  transition: border-color 0.15s ease, background 0.15s ease;
  background: var(--paper);
}
.q-choice:hover:not(.answered) {
  border-color: var(--teal);
  background: #fff;
}
.q-choice .letter {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--rule-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-2);
  flex: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.q-choice.correct {
  border-color: var(--teal);
  background: rgba(46, 127, 127, 0.08);
}
.q-choice.correct .letter {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.q-choice.incorrect {
  border-color: var(--terracotta);
  background: rgba(188, 106, 62, 0.08);
}
.q-choice.incorrect .letter {
  background: var(--terracotta);
  color: #fff;
  border-color: var(--terracotta);
}
.q-choice.answered {
  cursor: default;
}
.correct-answer-label {
  margin-left: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ---------- Collapsible solution ---------- */
.q-solution {
  border-top: 1px solid var(--rule);
  padding-top: 16px;
  margin-bottom: 16px;
}
.q-solution summary {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  list-style: none;
}
.q-solution summary::-webkit-details-marker {
  display: none;
}
.q-solution summary::before {
  content: "\25B6\00a0";
  font-size: 10px;
}
.q-solution[open] summary::before {
  content: "\25BC\00a0";
}
.q-solution summary:hover {
  color: var(--terracotta);
}
.q-solution[open] summary {
  margin-bottom: 16px;
}
.correct-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 12px;
}
.solution-text {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  margin-bottom: 16px;
}
.solution-text p {
  margin: 0 0 12px;
}
.solution-text p:last-child {
  margin-bottom: 0;
}
.solution-text strong {
  color: var(--ink);
}
.solution-text code {
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 2px;
  font-size: 14px;
}
.distractor-section {
  border-top: 1px dashed var(--rule-2);
  padding-top: 12px;
}
.distractor-section h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 10px;
  font-weight: 600;
}
.distractor-item {
  font-size: 14px;
  color: var(--ink-2);
  margin-bottom: 8px;
  line-height: 1.5;
}
.distractor-item strong {
  color: var(--ink);
}
.handbook-ref {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-4);
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--rule-2);
}

/* ---------- Flag button + form ---------- */
.q-actions {
  border-top: 1px solid var(--rule);
  padding-top: 14px;
}
.flag-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--terracotta);
  cursor: pointer;
  padding: 4px 0;
  transition: opacity 0.15s ease;
}
.flag-btn:hover {
  opacity: 0.8;
}
.flag-form {
  margin-top: 12px;
}
.flag-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  font-family: var(--body);
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  outline: none;
  resize: vertical;
  min-height: 60px;
  margin-bottom: 8px;
  box-sizing: border-box;
}
.flag-form textarea:focus {
  border-color: var(--teal);
}
.flag-actions {
  display: flex;
  gap: 8px;
}
.flag-success {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal);
  padding: 8px 0;
}

/* ---------- Results toolbar ---------- */
.results-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

/* ---------- Print ---------- */
@media print {
  body {
    background: #fff;
    font-size: 11pt;
  }
  header.site,
  footer.site,
  #auth-gate,
  .gen-header,
  .gen-form,
  .examples,
  #loading,
  #error-banner,
  .disclaimer-banner,
  .results-toolbar,
  .usage-bar,
  .q-actions,
  .q-badge.pending {
    display: none !important;
  }
  #generator {
    padding: 0 !important;
  }
  .wrap-sm {
    max-width: 100%;
    padding: 0;
  }
  .question-card {
    border: 1px solid #ccc;
    padding: 16pt;
    page-break-inside: avoid;
    break-inside: avoid;
    margin-bottom: 12pt;
  }
  .q-stem {
    font-size: 12pt;
  }
  .q-choices {
    grid-template-columns: 1fr 1fr;
    gap: 4pt;
  }
  .q-choice {
    border: 1px solid #ccc;
    padding: 6pt 10pt;
    font-size: 10pt;
    background: none;
  }
  .q-choice.correct,
  .q-choice.incorrect {
    border-width: 1px;
  }
  .q-solution {
    border-top: 1px solid #ccc;
  }
  .q-solution summary {
    display: none;
  }
  .q-solution .correct-label,
  .q-solution .solution-text,
  .q-solution .distractor-section {
    display: block;
  }
  .solution-text {
    font-size: 10pt;
  }
  .q-tags {
    margin-bottom: 8pt;
  }
  .q-tag {
    font-size: 8pt;
    border: 1px solid #ccc;
    background: none;
  }
  a[href]::after {
    content: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .gen-header {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 640px) {
  .form-row-3,
  .form-row-4 {
    grid-template-columns: 1fr;
  }
  .q-choices {
    grid-template-columns: 1fr;
  }
  .auth-form {
    flex-direction: column;
  }
  .gen-form {
    padding: 20px;
  }
  .question-card {
    padding: 20px;
  }
  .usage-bar {
    flex-wrap: wrap;
    gap: 6px;
  }
}