:root {
  --jn-primary: #4f46e5;
  --jn-primary-dark: #3730a3;
  --jn-bg: #f7f7fb;
  --jn-card: #ffffff;
  --jn-text: #1e1e2e;
  --jn-text-light: #6b7280;
  --jn-border: #e5e7eb;
  --jn-success: #16a34a;
  --jn-danger: #dc2626;
  --jn-radius: 10px;
  --jn-code-bg: #1e1e1e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.jn-body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--jn-bg);
  color: var(--jn-text);
  line-height: 1.6;
}

/* Top navbar (dashboard etc me use hoga) */
.jn-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--jn-card);
  border-bottom: 1px solid var(--jn-border);
}
.jn-navbar .jn-logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--jn-primary);
  text-decoration: none;
}

/* Auth pages: center card */
.jn-auth-wrapper {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.jn-auth-card {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.jn-auth-card h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}
.jn-auth-card p.jn-subtitle {
  color: var(--jn-text-light);
  font-size: 13px;
  margin-bottom: 20px;
}

.jn-form-group { margin-bottom: 14px; }
.jn-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--jn-text);
}
.jn-form-group input,
.jn-form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.jn-form-group input:focus,
.jn-form-group select:focus {
  border-color: var(--jn-primary);
}

.jn-class-toggle {
  display: flex;
  gap: 8px;
}
.jn-class-toggle label {
  flex: 1;
  text-align: center;
  padding: 8px;
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.jn-class-toggle input[type="radio"] { display: none; }
.jn-class-toggle input[type="radio"]:checked + span {
  color: var(--jn-primary);
}
.jn-class-toggle input[type="radio"]:checked ~ label,
.jn-class-toggle label:has(input:checked) {
  border-color: var(--jn-primary);
  background: #eef2ff;
  color: var(--jn-primary-dark);
}

.jn-btn {
  width: 100%;
  padding: 11px;
  background: var(--jn-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.jn-btn:hover { background: var(--jn-primary-dark); }

.jn-auth-links {
  margin-top: 16px;
  text-align: center;
  font-size: 13px;
}
.jn-auth-links a {
  color: var(--jn-primary);
  text-decoration: none;
}

.jn-alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.jn-alert-error {
  background: #fef2f2;
  color: var(--jn-danger);
  border: 1px solid #fecaca;
}
.jn-alert-success {
  background: #f0fdf4;
  color: var(--jn-success);
  border: 1px solid #bbf7d0;
}

@media (max-width: 480px) {
  .jn-auth-card { padding: 24px 18px; }
}

/* Navbar right side */
.jn-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}
.jn-user-name { color: var(--jn-text-light); }
.jn-logout-link {
  color: var(--jn-danger);
  text-decoration: none;
  font-weight: 500;
}

/* Dashboard wrapper */
.jn-dashboard-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.jn-class-switch {
  display: inline-flex;
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
}
.jn-class-btn {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--jn-text-light);
  background: var(--jn-card);
}
.jn-class-btn.active {
  background: var(--jn-primary);
  color: #fff;
}

.jn-page-heading { font-size: 22px; font-weight: 600; margin-bottom: 4px; }
.jn-page-sub { color: var(--jn-text-light); font-size: 14px; margin-bottom: 24px; }

.jn-chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.jn-chapter-card {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 18px;
}
.jn-chapter-no {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--jn-primary);
  font-weight: 600;
}
.jn-chapter-title {
  font-size: 16px;
  font-weight: 600;
  margin: 6px 0 10px;
}
.jn-chapter-stats {
  font-size: 12px;
  color: var(--jn-text-light);
  margin-bottom: 14px;
}
.jn-dot { margin: 0 6px; }

.jn-chapter-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.jn-btn-outline {
  text-align: center;
  padding: 8px;
  border: 1px solid var(--jn-primary);
  color: var(--jn-primary);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.jn-btn-outline:hover { background: #eef2ff; }

.jn-papers-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #fff;
  border-radius: var(--jn-radius);
  padding: 24px;
  flex-wrap: wrap;
}
.jn-papers-banner h3 { font-size: 17px; margin-bottom: 4px; }
.jn-papers-banner p { font-size: 13px; opacity: 0.9; max-width: 420px; }
.jn-papers-banner .jn-btn {
  width: auto;
  padding: 10px 22px;
  background: #fff;
  color: var(--jn-primary-dark);
}
.jn-papers-banner .jn-btn:hover { background: #f3f4f6; }

.jn-empty-msg { color: var(--jn-text-light); font-size: 14px; }

@media (max-width: 600px) {
  .jn-papers-banner { flex-direction: column; align-items: flex-start; }
}
.jn-content-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.jn-breadcrumb {
  font-size: 12px;
  color: var(--jn-text-light);
  margin-bottom: 6px;
}

.jn-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--jn-border);
  margin: 20px 0 24px;
}
.jn-tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--jn-text-light);
  border-bottom: 2px solid transparent;
}
.jn-tab.active {
  color: var(--jn-primary);
  border-bottom-color: var(--jn-primary);
}

.jn-note-block {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 20px;
  margin-bottom: 16px;
}
.jn-note-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 10px;
}
.jn-note-content {
  font-size: 14px;
  color: var(--jn-text);
}
.jn-note-content pre {
  background: var(--jn-code-bg);
  color: #d4d4d4;
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  margin: 10px 0;
}
.jn-note-content code {
  font-family: Consolas, Monaco, monospace;
  background: #f1f1f5;
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 13px;
}
.jn-note-content p { margin-bottom: 10px; }
.jn-note-content ul, .jn-note-content ol { margin: 10px 0 10px 22px; }

.jn-unlock-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.jn-btn-sm {
  padding: 7px 14px;
  background: var(--jn-primary);
  color: #fff;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.jn-question-card {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 18px;
  margin-bottom: 16px;
}
.jn-q-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.jn-q-no { font-weight: 600; font-size: 14px; }
.jn-diff {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}
.jn-diff-easy { background: #f0fdf4; color: #16a34a; }
.jn-diff-medium { background: #fffbeb; color: #b45309; }
.jn-diff-hard { background: #fef2f2; color: #dc2626; }
.jn-free-tag {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 20px;
  background: #eef2ff;
  color: var(--jn-primary-dark);
  font-weight: 600;
}

.jn-code-block {
  background: var(--jn-code-bg);
  color: #d4d4d4;
  padding: 12px 14px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  margin-bottom: 10px;
}

.jn-toggle-btn {
  background: none;
  border: none;
  color: var(--jn-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 0;
}

.jn-solution {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--jn-border);
}
.jn-output-box pre {
  background: #f1f1f5;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 4px;
}
.jn-dryrun { margin-top: 12px; font-size: 13px; }
.jn-dryrun table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 13px;
}
.jn-dryrun th, .jn-dryrun td {
  border: 1px solid var(--jn-border);
  padding: 6px 10px;
  text-align: center;
}
.jn-dryrun th { background: #f7f7fb; }

.jn-locked-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #f7f7fb;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--jn-text-light);
}
.jn-locked-box a {
  color: var(--jn-primary);
  font-weight: 600;
  text-decoration: none;
}

.jn-content-wide { max-width: 1000px; }

.jn-full-pack-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(135deg, #4f46e5, #6366f1);
  color: #fff;
  border-radius: var(--jn-radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.jn-full-pack-banner h3 { font-size: 16px; margin-bottom: 4px; }
.jn-full-pack-banner p { font-size: 13px; opacity: 0.9; max-width: 460px; }
.jn-btn-white {
  background: #fff !important;
  color: var(--jn-primary-dark) !important;
}

.jn-paper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.jn-paper-card {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 16px;
}
.jn-paper-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.jn-paper-no {
  font-size: 11px;
  font-weight: 600;
  color: var(--jn-primary);
  text-transform: uppercase;
}
.jn-paper-title { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.jn-paper-meta { font-size: 12px; color: var(--jn-text-light); margin-bottom: 14px; }
.jn-btn-locked { border-color: var(--jn-border); color: var(--jn-text-light); }
.jn-btn-locked:hover { background: #f7f7fb; }

.jn-paper-locked-page {
  text-align: center;
  padding: 60px 20px;
}
.jn-paper-locked-page h2 { font-size: 20px; margin-bottom: 8px; }
.jn-paper-locked-page p { color: var(--jn-text-light); font-size: 14px; margin-bottom: 20px; }

.jn-paper-header { margin-bottom: 20px; }
.jn-section-heading {
  font-size: 15px;
  font-weight: 600;
  margin: 24px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--jn-border);
}
.jn-paper-question {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.jn-pq-marks {
  font-size: 11px;
  color: var(--jn-text-light);
  float: right;
}
.jn-pq-text { font-size: 14px; }.jn-checkout-box {
  max-width: 380px;
  margin: 60px auto;
  text-align: center;
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: var(--jn-radius);
  padding: 32px 28px;
}
.jn-checkout-box h2 { font-size: 19px; margin-bottom: 6px; }
.jn-checkout-amount {
  font-size: 32px;
  font-weight: 700;
  margin: 20px 0;
  color: var(--jn-primary-dark);
}
.jn-pay-status {
  margin-top: 12px;
  font-size: 13px;
  color: var(--jn-text-light);
}.jn-empty-purchases {
  text-align: center;
  padding: 60px 20px;
  color: var(--jn-text-light);
}
.jn-empty-purchases p { margin-bottom: 16px; font-size: 14px; }

.jn-purchase-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.jn-purchase-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  padding: 14px 16px;
}
.jn-purchase-name { font-size: 14px; font-weight: 600; }
.jn-purchase-date { font-size: 12px; color: var(--jn-text-light); margin-top: 2px; }
.jn-btn-narrow { width: auto; padding: 7px 18px; }

.jn-purchases-link {
  color: var(--jn-primary);
  text-decoration: none;
  font-weight: 500;
}

/* Better typography for note content */
.jn-note-content {
  font-size: 15px;
  line-height: 1.8;
}
.jn-note-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 10px;
  color: var(--jn-primary-dark);
}
.jn-note-content strong { color: var(--jn-text); }

/* Prism ka default background override, taaki hamare theme se match ho */
.jn-note-content pre[class*="language-"],
.jn-code-block {
  border-radius: 8px;
  font-size: 13.5px;
  padding: 14px 16px !important;
  margin: 14px 0;
}

/* Callout boxes -- content likhte waqt inhe div ke andar use karna hai */
.jn-tip, .jn-warning, .jn-exam-tip {
  border-radius: 8px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 13.5px;
  border-left: 4px solid;
}
.jn-tip {
  background: #f0fdf4;
  border-color: #16a34a;
  color: #166534;
}
.jn-warning {
  background: #fef2f2;
  border-color: #dc2626;
  color: #991b1b;
}
.jn-exam-tip {
  background: #eef2ff;
  border-color: var(--jn-primary);
  color: var(--jn-primary-dark);
}
.jn-tip strong, .jn-warning strong, .jn-exam-tip strong {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Note title ke sath ek chhota icon-jaisa accent */
.jn-note-block {
  border-left: 3px solid var(--jn-primary);
}

/* Table ko bhi thoda polish kar dete hain */
.jn-note-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: 13.5px;
}
.jn-note-content th {
  background: #f7f7fb;
  font-weight: 600;
  text-align: left;
}
.jn-note-content th, .jn-note-content td {
  border: 1px solid var(--jn-border);
  padding: 8px 12px;
}
.jn-note-content tr:hover td { background: #fafafa; }/* Prism token backgrounds ko force clear kar dete hain, hamare .jn-note-content code style se clash na ho */
.jn-note-content pre[class*="language-"] code {
  background: none;
  padding: 0;
}

.jn-mcq-card {
  background: var(--jn-card);
  border: 1px solid var(--jn-border);
  border-radius: 14px;
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s;
}
.jn-mcq-card:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}
.jn-mcq-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.jn-q-no {
  font-weight: 700;
  font-size: 13px;
  color: var(--jn-primary);
  background: #eef2ff;
  padding: 3px 11px;
  border-radius: 20px;
}
.jn-ar-tag {
  font-size: 11px;
  padding: 3px 11px;
  border-radius: 20px;
  background: #f5f3ff;
  color: #6d28d9;
  font-weight: 600;
}
.jn-mcq-question {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.7;
  white-space: pre-line;
  color: var(--jn-text);
}

.jn-mcq-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}
.jn-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1.5px solid var(--jn-border);
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  background: #fff;
}
.jn-option:hover {
  border-color: var(--jn-primary);
  background: #fafaff;
}
.jn-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.jn-opt-badge {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #f1f1f5;
  color: var(--jn-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  transition: all 0.15s;
}
.jn-opt-text {
  flex: 1;
  line-height: 1.5;
}
.jn-opt-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Selected (before checking) */
.jn-option input:checked ~ .jn-opt-badge {
  background: var(--jn-primary);
  color: #fff;
}
.jn-option:has(input:checked) {
  border-color: var(--jn-primary);
  background: #f5f5ff;
}

/* Correct answer after check */
.jn-option.jn-correct {
  border-color: #16a34a;
  background: #f0fdf4;
}
.jn-option.jn-correct .jn-opt-badge {
  background: #16a34a;
  color: #fff;
}
.jn-option.jn-correct .jn-opt-icon::after {
  content: "✓";
  color: #16a34a;
  font-weight: 700;
  font-size: 16px;
}

/* Wrong answer selected after check */
.jn-option.jn-incorrect {
  border-color: #dc2626;
  background: #fef2f2;
}
.jn-option.jn-incorrect .jn-opt-badge {
  background: #dc2626;
  color: #fff;
}
.jn-option.jn-incorrect .jn-opt-icon::after {
  content: "✕";
  color: #dc2626;
  font-weight: 700;
  font-size: 16px;
}

.jn-check-btn {
  padding: 10px 22px;
  background: var(--jn-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.jn-check-btn:hover { background: var(--jn-primary-dark); }
.jn-check-btn:disabled {
  background: #d1d5db;
  cursor: not-allowed;
}

.jn-mcq-result {
  margin-top: 16px;
  animation: jnFadeIn 0.25s ease;
}
@keyframes jnFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.jn-mcq-explanation {
  background: #f7f7fb;
  border-left: 3px solid var(--jn-primary);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13.5px;
}
.jn-mcq-explanation strong {
  color: #16a34a;
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}
.jn-mcq-explanation p {
  color: var(--jn-text);
  line-height: 1.6;
  margin: 0;
}

.jn-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--jn-border);
  justify-content: center;
}
.jn-page-link {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--jn-border);
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  text-decoration: none;
  color: var(--jn-text);
  background: #fff;
  transition: all 0.15s;
}
.jn-page-link:hover:not(.active) {
  border-color: var(--jn-primary);
  color: var(--jn-primary);
  background: #f5f5ff;
}
.jn-page-link.active {
  background: var(--jn-primary);
  color: #fff;
  border-color: var(--jn-primary);
  box-shadow: 0 2px 6px rgba(79,70,229,0.3);
}
.jn-page-link.jn-page-arrow {
  font-weight: 600;
  color: var(--jn-primary);
  border-color: transparent;
  background: transparent;
  padding: 0 6px;
}
.jn-page-link.jn-page-arrow:hover {
  background: #f5f5ff;
}