:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --success: #059669;
  --success-light: #ecfdf5;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --info: #7c3aed;
  --info-light: #f5f3ff;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f1f5f9;
  color: var(--slate-800);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.5;
}

.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  display: flex;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

.nav-container {
  width: 100%;
  max-width: 1100px;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--slate-800);
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  transition: color 0.2s;
}

.nav-logo-link:hover {
  color: var(--primary);
}

.nav-logo-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.controls-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--slate-300);
  background: #ffffff;
  color: var(--slate-700);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 2px 4px rgba(15, 23, 42, 0.05);
}

.btn:hover {
  background: var(--slate-50);
  border-color: var(--slate-400);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.08);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-success {
  background: linear-gradient(135deg, #10b981, var(--success));
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
  background: linear-gradient(135deg, #34d399, var(--success));
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.switch-container {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--slate-700);
  cursor: pointer;
  user-select: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--slate-300);
  transition: .2s;
  border-radius: 999px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

input:checked + .slider {
  background-color: var(--success);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

input:focus-visible + .slider {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.paper-document {
  background: #ffffff;
  width: 100%;
  max-width: 900px;
  margin: 100px 0 4rem 0;
  padding: 3.5rem 4rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  border-radius: 12px;
  border: 1px solid var(--slate-200);
  box-sizing: border-box;
}

.exam-header {
  text-align: center;
  margin-bottom: 2rem;
  font-family: 'Outfit', sans-serif;
}

.exam-title-practice {
  font-size: 1.85rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.exam-institution {
  font-size: 1.15rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 0.3rem;
}

.exam-subject {
  font-size: 1.05rem;
  font-weight: 600;
  color: #1e3a8a;
  margin-bottom: 1.5rem;
}

.header-divider {
  border: none;
  height: 1px;
  background: var(--slate-300);
  margin: 1.5rem 0;
}

.exam-meta-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
  font-size: 0.92rem;
}

.exam-meta-table td {
  border: 1px solid var(--slate-300);
  padding: 0.65rem 0.85rem;
  color: var(--slate-800);
}

.exam-instructions {
  border: 1px solid var(--slate-300);
  background: var(--slate-50);
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  margin-bottom: 2.5rem;
  font-size: 0.88rem;
  color: var(--slate-700);
}

.exam-instructions h4 {
  margin: 0 0 0.5rem 0;
  font-weight: 700;
  color: var(--slate-900);
  font-family: 'Outfit', sans-serif;
}

.exam-instructions ol {
  margin: 0;
  padding-left: 1.2rem;
}

.exam-instructions li {
  margin: 0.4rem 0;
  line-height: 1.45;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--slate-900);
  padding-bottom: 0.4rem;
  margin: 2.5rem 0 1.2rem;
  color: var(--slate-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-marks {
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--slate-100);
  color: var(--slate-700);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  text-transform: none;
  letter-spacing: normal;
}

.question {
  padding: 0.8rem 1.1rem;
  margin: 0.7rem 0;
  border: 1px solid var(--slate-200);
  border-radius: 6px;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.02);
  transition: all 0.2s ease;
  position: relative;
}

.question:hover {
  border-color: var(--slate-300);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

.q-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.q-difficulty {
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}

.q-difficulty.level-1 { color: var(--success); background: var(--success-light); }
.q-difficulty.level-2 { color: var(--primary); background: var(--info-light); }
.q-difficulty.level-3 { color: var(--warning); background: var(--warning-light); }
.q-difficulty.level-4 { color: var(--info); background: var(--info-light); }

.q-header-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.q-number {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  background: var(--slate-100);
  color: var(--slate-700);
  min-width: 24px;
  height: 24px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.q-text {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--slate-900);
  margin: 0;
  padding-top: 0.1rem;
  line-height: 1.45;
}

.options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  margin-left: 2.2rem;
}

.opt {
  padding: 0.35rem 0.7rem;
  border-radius: 5px;
  font-size: 0.83rem;
  color: var(--slate-700);
  background: var(--slate-50);
  border: 1px solid var(--slate-100);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.15s ease;
  user-select: none;
}

.opt:hover {
  background: var(--slate-100);
  border-color: var(--slate-300);
  color: var(--slate-900);
}

.opt:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.opt-letter {
  font-weight: 700;
  color: var(--slate-400);
  margin-right: 0.5rem;
}

.checkmark {
  font-weight: 700;
  color: var(--success);
  margin-left: 0.5rem;
}

.opt.correct-answer-styled {
  background-color: var(--success-light) !important;
  border-color: rgba(5, 150, 105, 0.4) !important;
  color: #065f46 !important;
}

.opt.selected-correct {
  background-color: var(--success-light) !important;
  border-color: var(--success) !important;
  color: #065f46 !important;
  font-weight: 600;
  box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.2);
}

.opt.selected-incorrect {
  background-color: var(--danger-light) !important;
  border-color: var(--danger) !important;
  color: #991b1b !important;
  font-weight: 600;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.opt.revealed-correct {
  background-color: var(--success-light) !important;
  border-color: rgba(5, 150, 105, 0.6) !important;
  color: #065f46 !important;
}

body.show-answers .opt.correct {
  background-color: var(--success-light) !important;
  border-color: rgba(5, 150, 105, 0.4) !important;
  color: #065f46 !important;
}

body.show-answers .opt.correct .checkmark {
  display: inline-block !important;
}

.answer-reveal {
  margin-top: 0.4rem;
  margin-left: 2.2rem;
}

.answer-reveal summary {
  cursor: pointer;
  font-family: 'Outfit', sans-serif;
  font-size: 0.73rem;
  font-weight: 600;
  color: var(--slate-600);
  padding: 0.25rem 0.6rem;
  background: var(--slate-100);
  border-radius: 5px;
  width: fit-content;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: background 0.15s;
}

.answer-reveal summary:hover {
  background: var(--slate-200);
  color: var(--slate-900);
}

.answer-reveal summary::-webkit-details-marker {
  display: none;
}

.answer-reveal summary::before {
  content: "Show Answer";
}

.answer-reveal[open] summary::before {
  content: "Hide Answer";
}

.answer {
  background: var(--success-light);
  border-left: 3px solid var(--success);
  padding: 0.5rem 0.8rem;
  border-radius: 5px;
  font-size: 0.84rem;
  color: #065f46;
  margin-top: 0.3rem;
}

.question-write-lines {
  margin: 0.8rem 0 0.2rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.write-line {
  height: 1px;
  border-bottom: 1px dashed var(--slate-300);
  width: 100%;
}

.colab-code {
  position: relative;
  background: #0f1724;
  color: #e6eef8;
  padding: 1.4rem 1rem 1rem;
  border-radius: 10px;
  overflow-x: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0.75rem 0 0.75rem 2.2rem;
  border: 1px solid #1f2937;
}

.colab-code::before {
  content: "Code";
  position: absolute;
  top: 0.5rem;
  left: 1rem;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #94a3b8;
}

.copy-btn {
  position: absolute;
  top: 0.4rem;
  right: 0.5rem;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.72rem;
  transition: background 0.15s;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.copy-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.colab-code code {
  white-space: pre;
  display: block;
  margin-top: 0.8rem;
}

.loader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--slate-100);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loader-text {
  margin-top: 1.2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  color: var(--slate-700);
  font-size: 1.1rem;
}

.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1010;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--slate-300);
  background: #ffffff;
  color: var(--slate-700);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  transition: all 0.3s ease;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}

.back-to-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--slate-50);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.back-to-top-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--slate-900);
  color: #ffffff;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.2);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: 1500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 10.5pt !important;
    line-height: 1.4 !important;
  }

  .nav-bar, .floating-controls, .back-to-top-btn, .toast, .copy-btn, .loader-overlay {
    display: none !important;
  }

  .paper-document {
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    max-width: 100% !important;
  }

  .question {
    page-break-inside: avoid !important;
    border: 1px solid #d1d5db !important;
    box-shadow: none !important;
    margin: 1.2rem 0 !important;
    padding: 1rem 1.2rem !important;
    background: #ffffff !important;
  }

  .options {
    margin-left: 2rem !important;
    gap: 0.3rem !important;
  }

  .opt {
    background: transparent !important;
    border: 1px solid #e5e7eb !important;
    color: #000000 !important;
  }

  .colab-code {
    margin-left: 2rem !important;
    border: 1px solid #9ca3af !important;
    background: #f9fafb !important;
    color: #000000 !important;
  }

  .colab-code::before {
    color: #4b5563 !important;
  }

  .q-difficulty {
    border: 1px solid #cbd5e1 !important;
    background: transparent !important;
    color: #000000 !important;
  }

  body.print-questions .question-write-lines {
    display: flex !important;
    margin-left: 2rem !important;
    margin-top: 0.6rem !important;
    gap: 0.6rem !important;
  }

  body.print-questions .write-line {
    border-bottom: 1px dashed #9ca3af !important;
    height: 1px !important;
    width: 100% !important;
  }

  body.print-questions .answer-reveal {
    display: none !important;
  }

  body.print-questions .checkmark {
    display: none !important;
  }

  body.print-questions .opt.correct-answer-styled {
    background: transparent !important;
    border-color: #e5e7eb !important;
    color: #000000 !important;
  }

  body.print-answers .question-write-lines {
    display: none !important;
  }

  body.print-answers .answer-reveal {
    display: block !important;
    margin-left: 2rem !important;
    margin-top: 0.5rem !important;
  }

  body.print-answers .answer-reveal summary {
    display: none !important;
  }

  body.print-answers .answer-reveal .answer {
    display: block !important;
    background: #f0fdf4 !important;
    border-left: 3px solid #16a34a !important;
    padding: 0.6rem 0.8rem !important;
    color: #14532d !important;
  }

  body.print-answers .opt.correct {
    background-color: #f0fdf4 !important;
    border-color: #16a34a !important;
    color: #14532d !important;
    font-weight: 700 !important;
  }

  body.print-answers .checkmark {
    display: inline-block !important;
    color: #16a34a !important;
  }
}

/* Compact MCQ styling */
.question.compact-mcq {
  padding: 0.65rem 0.9rem;
  margin: 0.45rem 0;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
}

.question.compact-mcq .q-text.compact {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.4;
  padding-top: 0;
}

.question.compact-mcq .q-number {
  font-size: 0.72rem;
  min-width: 22px;
  height: 22px;
  font-weight: 600;
}

.question.compact-mcq .q-header-row {
  margin-bottom: 0.35rem;
  gap: 0.45rem;
}

.options.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem 0.6rem;
  margin-left: 1.8rem;
}

.options.two-col .opt {
  padding: 0.3rem 0.55rem;
  font-size: 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: all 0.12s ease;
  display: block;
}

.options.two-col .opt:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
}

.options.two-col .opt .opt-letter {
  font-weight: 700;
  color: #94a3b8;
  font-size: 0.72rem;
  margin-right: 0.25rem;
}

/* Short question list styling */
.short-list {
  margin: 0.5rem 0;
}

.short-item {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem;
}

.short-item:last-child {
  border-bottom: none;
}

.short-num {
  font-weight: 700;
  color: var(--slate-600);
  font-size: 0.82rem;
  min-width: 2rem;
}

.short-text {
  font-size: 0.82rem;
  color: var(--slate-800);
  flex: 1;
}

.short-item .colab-code {
  margin: 0.3rem 0 0 2rem;
  padding: 0.6rem 0.6rem 0.4rem;
  font-size: 0.75rem;
  width: 100%;
}

.short-item .colab-code code {
  margin-top: 0.4rem;
}

.short-item .copy-btn {
  top: 0.2rem;
  right: 0.3rem;
  padding: 0.15rem 0.35rem;
  font-size: 0.65rem;
}

@media print {
  .question.compact-mcq {
    padding: 0.4rem 0.6rem !important;
    margin: 0.3rem 0 !important;
  }

  .options.two-col .opt {
    padding: 0.15rem 0.35rem !important;
    font-size: 0.72rem !important;
  }

  .question.compact-mcq .q-text.compact {
    font-size: 0.78rem !important;
  }

  .short-item {
    break-inside: avoid;
    page-break-inside: avoid;
    padding: 0.2rem 0 !important;
  }

  #mcq-container + .section-title {
    break-before: page;
    page-break-before: always;
  }

  .short-text {
    font-size: 0.7rem !important;
  }

  .short-num {
    font-size: 0.7rem !important;
  }

  .short-item .colab-code {
    padding: 0.4rem 0.4rem 0.3rem !important;
    font-size: 0.65rem !important;
  }

  .dots-dropdown, .dots-divider, .dots-icon, .drag-handle {
    display: none !important;
  }
}

/* ── Generate wrapper & dots dropdown ── */
.paper-section {
  margin-bottom: 0;
}

.generate-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.generate-wrapper .generate-btn {
  padding-right: 0.7rem;
}

.dots-divider {
  display: inline-block;
  width: 1px;
  height: 1.2rem;
  background: rgba(255, 255, 255, 0.35);
  margin: 0 0.35rem;
  vertical-align: middle;
  flex-shrink: 0;
}

.dots-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  letter-spacing: 1px;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.15rem;
  border-radius: 4px;
  transition: background 0.15s;
  flex-shrink: 0;
}

.dots-icon:hover {
  background: rgba(255, 255, 255, 0.15);
}

.dots-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #ffffff;
  border: 1px solid var(--slate-200);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
  width: 320px;
  padding: 0;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  overflow: hidden;
}

.dots-dropdown.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dots-dropdown-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--slate-800);
  padding: 0.75rem 1rem 0.6rem;
  letter-spacing: 0.01em;
}

.dots-dropdown-divider {
  height: 1px;
  background: var(--slate-200);
  margin: 0;
}

.dots-sections-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.6rem 1rem 0.35rem;
}

.dots-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.7rem;
  color: var(--slate-300);
  margin-left: 0.3rem;
}

.dots-total-row {
  display: flex;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
}

.dots-sections {
  padding: 0 0.5rem 0.5rem;
}

.dots-section-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.5rem;
  border-radius: 8px;
  transition: background 0.15s, box-shadow 0.15s;
  cursor: default;
}

.dots-section-row:hover {
  background: var(--slate-50);
}

.dots-section-row.dragging {
  opacity: 0.4;
  background: var(--slate-100);
}

.dots-section-row.drag-over {
  box-shadow: inset 0 -2px 0 var(--primary);
}

.drag-handle {
  cursor: grab;
  color: var(--slate-300);
  font-size: 1rem;
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
  padding: 0 0.1rem;
  transition: color 0.15s;
}

.drag-handle:active {
  cursor: grabbing;
}

.dots-section-row:hover .drag-handle {
  color: var(--slate-500);
}

.section-label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
  min-width: 52px;
  flex-shrink: 0;
}

.dots-section-fields {
  display: flex;
  gap: 0.4rem;
  margin-left: auto;
}

.dots-field {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dots-field label {
  font-family: 'Outfit', sans-serif;
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: default;
  user-select: none;
}

.dots-input {
  width: 52px;
  padding: 0.3rem 0.4rem;
  border: 1px solid var(--slate-200);
  border-radius: 6px;
  font-family: 'Fira Code', monospace;
  font-size: 0.82rem;
  text-align: center;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  -moz-appearance: textfield;
  background: var(--slate-50);
}

.dots-input-sm {
  width: 44px;
}

.dots-input::-webkit-outer-spin-button,
.dots-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.dots-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
  background: #fff;
}

.dots-done-btn {
  display: block;
  width: calc(100% - 1.5rem);
  margin: 0.5rem 0.75rem 0.75rem;
  padding: 0.5rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.dots-done-btn:hover {
  background: var(--primary-dark);
}

.dots-done-btn:active {
  transform: scale(0.98);
}

/* ── Practical question cards ── */
.practical-card {
  border: 1px solid var(--slate-200);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  background: #fff;
}

.practical-card-header {
  background: var(--slate-800);
  color: #fff;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.6rem 1rem;
}

.practical-card-body {
  padding: 1rem 1.25rem;
}

.practical-task {
  margin-bottom: 1rem;
}

.practical-task:last-child {
  margin-bottom: 0;
}

.practical-task h4 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--slate-800);
  margin: 0 0 0.3rem;
}

.practical-task ul {
  margin: 0;
  padding-left: 1.25rem;
}

.practical-task li {
  font-size: 0.85rem;
  color: var(--slate-600);
  line-height: 1.6;
  margin-bottom: 0.15rem;
}