/* Seven-step PaperBuilder flow — Clean Academic screen styles. */
@media screen {
  body.paperbuilder-flow {
    min-height: 100vh;
    color: var(--ink);
    background: var(--page);
    font-family: var(--font-ui);
    line-height: 1.5;
  }

  .paperbuilder-flow * {
    box-sizing: border-box;
  }

  .paperbuilder-flow button,
  .paperbuilder-flow input,
  .paperbuilder-flow select,
  .paperbuilder-flow textarea {
    font: inherit;
  }

  .paperbuilder-flow button,
  .paperbuilder-flow a {
    -webkit-tap-highlight-color: transparent;
  }

  .paperbuilder-flow button:focus-visible,
  .paperbuilder-flow a:focus-visible,
  .paperbuilder-flow input:focus-visible,
  .paperbuilder-flow textarea:focus-visible,
  .paperbuilder-flow summary:focus-visible {
    outline: 3px solid rgba(15, 155, 142, 0.3);
    outline-offset: 3px;
  }

  .pb-topbar {
    position: sticky;
    z-index: 30;
    top: 0;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 4px 18px rgba(16, 36, 62, 0.035);
    backdrop-filter: blur(14px);
  }

  .pb-topbar-inner {
    display: flex;
    width: min(1160px, calc(100% - 28px));
    min-height: 66px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-inline: auto;
  }

  .pb-brand {
    display: inline-flex;
    min-width: 0;
    align-items: center;
    gap: 9px;
    color: var(--ink);
    text-decoration: none;
  }

  .pb-brand-mark {
    display: grid;
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--teal), #2265cc);
    border-radius: 12px;
    box-shadow: 0 7px 18px rgba(15, 155, 142, 0.2);
  }

  .pb-brand-mark svg {
    width: 26px;
    height: 26px;
  }

  .pb-brand-name {
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: -0.045em;
    white-space: nowrap;
  }

  .pb-brand-caption {
    display: none;
    padding-left: 10px;
    color: var(--muted);
    border-left: 1px solid var(--line-strong);
    font-size: 0.76rem;
    white-space: nowrap;
  }

  .pb-topbar-tools {
    display: flex;
    align-items: center;
    gap: 9px;
  }

  .pb-home-link,
  .pb-progress-copy {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 650;
    text-decoration: none;
    white-space: nowrap;
  }

  .pb-home-link:hover {
    color: var(--teal-dark);
  }

  .pb-progress-copy {
    padding: 6px 8px;
    color: var(--teal-dark);
    background: var(--mint);
    border: 1px solid #d5eee8;
    border-radius: 8px;
    letter-spacing: 0.06em;
  }

  .pb-progress-track {
    height: 3px;
    overflow: hidden;
    background: #eaf1f5;
  }

  .pb-progress-track > span {
    display: block;
    width: 14.2857%;
    height: 100%;
    background: linear-gradient(90deg, var(--teal), #5ebeb2);
    transition: width 0.22s ease;
  }

  .pb-shell {
    width: min(1060px, calc(100% - 28px));
    min-height: calc(100vh - 136px);
    margin-inline: auto;
    padding: 24px 0 34px;
  }

  .pb-intro {
    margin: 0 0 18px;
  }

  .pb-eyebrow,
  .pb-card-kicker {
    margin: 0 0 7px;
    color: var(--teal-dark);
    font-size: 0.67rem;
    font-weight: 780;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .pb-intro h1 {
    margin: 0;
    color: var(--ink);
    font-size: clamp(1.85rem, 8vw, 2.6rem);
    font-weight: 780;
    letter-spacing: -0.055em;
    line-height: 1.08;
  }

  .pb-intro-copy {
    max-width: 660px;
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.91rem;
    line-height: 1.6;
  }

  .pb-bank-status {
    display: flex;
    min-height: 42px;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    padding: 9px 12px;
    color: #52677e;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    font-size: 0.76rem;
    box-shadow: 0 4px 14px rgba(16, 36, 62, 0.025);
  }

  .pb-bank-status.is-error {
    color: #853e37;
    background: #fff7f4;
    border-color: #f0deda;
  }

  .pb-status-dot {
    width: 8px;
    height: 8px;
    flex: 0 0 8px;
    background: var(--teal);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(15, 155, 142, 0.12);
  }

  .pb-status-dot.is-loading {
    background: #d39c42;
    box-shadow: 0 0 0 3px rgba(211, 156, 66, 0.12);
  }

  .pb-status-dot.is-error {
    background: var(--red);
    box-shadow: 0 0 0 3px rgba(164, 63, 56, 0.11);
  }

  .pb-text-button {
    padding: 3px 0;
    color: var(--teal-dark);
    background: none;
    border: 0;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 700;
  }

  .pb-bank-status .pb-text-button {
    margin-left: auto;
  }

  .pb-text-button:hover {
    color: #075f59;
    text-decoration: underline;
    text-underline-offset: 3px;
  }

  .pb-toast,
  .pb-flow-message {
    margin: 0 0 14px;
    padding: 11px 14px;
    color: #40576d;
    background: #eff5ff;
    border: 1px solid #dbe6ff;
    border-radius: 11px;
    font-size: 0.83rem;
    line-height: 1.5;
  }

  .pb-toast.is-error,
  .pb-flow-message.is-error {
    color: #853e37;
    background: #fff5f2;
    border-color: #f2deda;
  }

  .pb-toast.is-success,
  .pb-flow-message.is-success {
    color: #176e62;
    background: #eaf8f4;
    border-color: #d0eee5;
  }

  .pb-workspace {
    display: grid;
    gap: 18px;
    padding-bottom: 84px;
  }

  .pb-step[hidden] {
    display: none !important;
  }

  .pb-card {
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 17px;
    box-shadow: 0 6px 20px rgba(16, 36, 62, 0.035);
  }

  .pb-step-card {
    padding: 17px 14px;
  }

  .pb-section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
  }

  .pb-section-heading h2,
  .pb-dialog-heading h2 {
    margin: 0;
    color: var(--ink);
    font-size: clamp(1.2rem, 5vw, 1.55rem);
    font-weight: 760;
    letter-spacing: -0.045em;
    line-height: 1.2;
  }

  .pb-step-index {
    flex: 0 0 auto;
    padding: 6px 8px;
    color: var(--teal-dark);
    background: var(--mint);
    border: 1px solid #d5eee8;
    border-radius: 8px;
    font-size: 0.67rem;
    font-weight: 750;
    letter-spacing: 0.06em;
  }

  .pb-heading-note {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.79rem;
    line-height: 1.5;
  }

  .pb-helper {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .pb-class-grid,
  .pb-subject-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .pb-class-card,
  .pb-subject-card {
    position: relative;
    display: grid;
    min-width: 0;
    min-height: 144px;
    align-content: start;
    justify-items: start;
    gap: 8px;
    padding: 12px;
    color: var(--ink);
    text-align: left;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 15px;
    cursor: pointer;
    transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease, background 0.16s ease;
  }

  .pb-class-card:hover:not([aria-disabled="true"]),
  .pb-subject-card:hover:not([aria-disabled="true"]) {
    background: #f9fcfc;
    border-color: #afdcd4;
    box-shadow: 0 8px 22px rgba(16, 36, 62, 0.07);
    transform: translateY(-1px);
  }

  .pb-class-card.is-selected,
  .pb-subject-card.is-selected {
    background: #eef9f6;
    border-color: #8fcdbf;
    box-shadow: inset 0 0 0 1px rgba(15, 155, 142, 0.07);
  }

  .pb-class-card[aria-disabled="true"],
  .pb-subject-card[aria-disabled="true"] {
    color: #8392a0;
    background: #f6f8fa;
    border-color: #e6edf2;
    cursor: not-allowed;
  }

  .pb-card-icon {
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    color: var(--teal-dark);
    background: var(--mint);
    border: 1px solid #d5eee8;
    border-radius: 12px;
  }

  .pb-class-card[aria-disabled="true"] .pb-card-icon,
  .pb-subject-card[aria-disabled="true"] .pb-card-icon {
    color: #8797a7;
    background: #edf2f6;
    border-color: #e3ebf1;
  }

  .pb-card-icon svg {
    width: 30px;
    height: 30px;
    overflow: visible;
  }

  .pb-card-icon svg * {
    vector-effect: non-scaling-stroke;
  }

  .pb-class-name,
  .pb-subject-name {
    display: block;
    max-width: 100%;
    color: #243c55;
    font-size: 0.82rem;
    font-weight: 750;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }

  .pb-class-card[aria-disabled="true"] .pb-class-name,
  .pb-subject-card[aria-disabled="true"] .pb-subject-name {
    color: #76889a;
  }

  .pb-availability-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 7px;
    color: #087f76;
    background: #e8f8f5;
    border-radius: 999px;
    font-size: 0.61rem;
    font-weight: 750;
    line-height: 1.2;
  }

  .pb-availability-badge.is-coming-soon {
    color: #75889a;
    background: #edf2f6;
  }

  .pb-availability-badge.is-ready::before {
    width: 5px;
    height: 5px;
    background: currentColor;
    border-radius: 50%;
    content: "";
  }

  .pb-count-pill {
    flex: 0 0 auto;
    padding: 6px 8px;
    color: var(--teal-dark);
    background: var(--mint);
    border: 1px solid #d5eee8;
    border-radius: 999px;
    font-size: 0.67rem;
    font-weight: 720;
    white-space: nowrap;
  }

  .pb-list-actions,
  .pb-inline-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 9px;
  }

  .pb-list-actions {
    margin: 0 0 10px;
  }

  .pb-list-actions .pb-helper {
    margin: 0;
  }

  .pb-inline-actions {
    justify-content: flex-end;
    gap: 7px;
    color: #a0b0bd;
    white-space: nowrap;
  }

  .pb-chapter-list {
    display: grid;
    gap: 7px;
  }

  .pb-chapter-row {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    padding: 12px 14px;
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.14s ease, border-color 0.14s ease, box-shadow 0.14s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  }

  .pb-chapter-row:hover {
    background: #fafafa;
    border-color: #f5a623;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  }

  .pb-chapter-row:has(input:checked) {
    background: #fffdf7;
    border-color: #f5a623;
    box-shadow: 0 2px 8px rgba(245,166,35,0.15);
  }

  .pb-chapter-row input,
  .pb-question-check input,
  .pb-medium-fieldset input,
  .pb-config-options input {
    accent-color: var(--teal);
  }

  .pb-chapter-main {
    display: grid;
    min-width: 0;
    gap: 4px;
  }

  .pb-chapter-title {
    color: #314961;
    font-size: 0.8rem;
    font-weight: 720;
    line-height: 1.35;
  }

  .pb-chapter-counts {
    color: var(--muted);
    font-size: 0.67rem;
    font-variant-numeric: tabular-nums;
    line-height: 1.35;
  }

  .pb-inline-message {
    margin: 11px 0 0;
    padding: 9px 11px;
    color: #85601e;
    background: #fff9ed;
    border: 1px solid #f1e4c7;
    border-radius: 10px;
    font-size: 0.77rem;
    line-height: 1.45;
  }

  .pb-inline-message.is-error {
    color: #853e37;
    background: #fff5f2;
    border-color: #f2deda;
  }

  .pb-controls-row {
    display: grid;
    gap: 12px;
    margin-bottom: 14px;
  }

  .pb-segmented {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    padding: 4px;
    background: #eff4f7;
    border: 1px solid var(--line);
    border-radius: 12px;
  }

  .pb-segmented button {
    min-height: 38px;
    padding: 7px 9px;
    color: #61748b;
    background: transparent;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.76rem;
    font-weight: 700;
  }

  .pb-segmented button.is-active {
    color: var(--teal-dark);
    background: #fff;
    box-shadow: 0 1px 4px rgba(16, 36, 62, 0.1);
  }

  .pb-medium-fieldset {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .pb-medium-fieldset legend {
    margin: 0 7px 0 0;
    color: #425970;
    font-size: 0.71rem;
    font-weight: 720;
  }

  .pb-medium-fieldset label {
    display: inline-flex;
    min-height: 34px;
    align-items: center;
    gap: 5px;
    padding: 5px 8px;
    color: #61748b;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 9px;
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 680;
    white-space: nowrap;
  }

  .pb-medium-fieldset label:has(input:checked) {
    color: var(--teal-dark);
    background: #eef9f6;
    border-color: #b5dfd6;
  }

  .pb-medium-fieldset input {
    margin: 0;
  }

  .pb-auto-controls {
    margin: 0 0 16px;
    padding: 13px;
    background: #f8fbfc;
    border: 1px solid var(--line);
    border-radius: 13px;
  }

  .pb-auto-intro {
    display: grid;
    gap: 4px;
    margin-bottom: 12px;
  }

  .pb-auto-intro strong {
    color: var(--ink);
    font-size: 0.8rem;
  }

  .pb-auto-intro span {
    color: var(--muted);
    font-size: 0.69rem;
    line-height: 1.45;
  }

  .pb-auto-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .pb-number-field {
    display: grid;
    min-width: 0;
    gap: 5px;
    color: #40576d;
    font-size: 0.67rem;
    font-weight: 700;
  }

  .pb-number-field input,
  .pb-config-field input,
  .pb-review-editor textarea {
    width: 100%;
    min-width: 0;
    min-height: 39px;
    padding: 8px 10px;
    color: var(--ink);
    background: #fff;
    border: 1px solid #d6e1e9;
    border-radius: 9px;
    box-shadow: 0 1px 2px rgba(16, 36, 62, 0.025);
  }

  .pb-number-field input:focus,
  .pb-config-field input:focus,
  .pb-review-editor textarea:focus {
    border-color: var(--teal);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(15, 155, 142, 0.1);
  }

  .pb-number-field small {
    color: var(--muted);
    font-size: 0.58rem;
    font-weight: 500;
    line-height: 1.35;
  }

  .pb-mark-grid {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }

  .pb-auto-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 12px;
  }

  .pb-marks-summary {
    margin: 0;
    color: var(--teal-dark);
    font-size: 0.74rem;
    font-weight: 760;
  }

  .pb-search-field {
    display: flex;
    min-height: 43px;
    align-items: center;
    gap: 9px;
    margin: 0 0 13px;
    padding: 0 11px;
    background: #fff;
    border: 1px solid #d6e1e9;
    border-radius: 10px;
  }

  .pb-search-field:focus-within {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(15, 155, 142, 0.08);
  }

  .pb-search-icon {
    position: relative;
    width: 14px;
    height: 14px;
    flex: 0 0 14px;
    border: 1.7px solid #71869b;
    border-radius: 50%;
  }

  .pb-search-icon::after {
    position: absolute;
    right: -5px;
    bottom: -3px;
    width: 6px;
    height: 1.7px;
    background: #71869b;
    content: "";
    transform: rotate(45deg);
    transform-origin: left center;
  }

  .pb-search-field input {
    width: 100%;
    min-width: 0;
    height: 40px;
    padding: 0;
    color: var(--ink);
    background: transparent;
    border: 0;
    outline: none;
    font-size: 0.77rem;
  }

  .pb-search-count {
    flex: 0 0 auto;
    color: var(--muted);
    font-size: 0.62rem;
    white-space: nowrap;
  }

  .pb-question-groups,
  .pb-review-groups {
    display: grid;
    gap: 14px;
  }

  .pb-question-group,
  .pb-review-group {
    min-width: 0;
    padding: 11px;
    background: #fbfdfe;
    border: 1px solid var(--line);
    border-radius: 13px;
  }

  .pb-group-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 9px;
    margin: 0 0 9px;
  }

  .pb-group-heading h3 {
    margin: 0;
    color: #243c55;
    font-size: 0.83rem;
    font-weight: 760;
    line-height: 1.35;
  }

  .pb-group-heading p {
    margin: 3px 0 0;
    color: var(--muted);
    font-size: 0.66rem;
  }

  .pb-question-list {
    display: grid;
    max-height: 560px;
    gap: 6px;
    overflow: auto;
    padding: 2px;
    scrollbar-color: #c2d2dc transparent;
    scrollbar-width: thin;
  }

  .pb-question-row {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr) auto;
    align-items: start;
    gap: 7px;
    padding: 9px;
    background: #fff;
    border: 1px solid #e6edf2;
    border-radius: 10px;
    transition: background 0.12s ease, border-color 0.12s ease;
  }

  .pb-question-row:has(input:checked) {
    background: #f0faf7;
    border-color: #abd9cf;
  }

  .pb-question-check {
    display: grid;
    place-items: start center;
    padding-top: 3px;
  }

  .pb-question-check input {
    width: 16px;
    height: 16px;
    margin: 0;
  }

  .pb-question-copy {
    min-width: 0;
    color: #243c55;
    font-size: 0.74rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  .pb-language-pair {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .pb-language-pair > span[lang="ur"] {
    font-family: "Noto Nastaliq Urdu", serif;
    font-size: 0.9rem;
    line-height: 1.9;
    text-align: right;
  }

  .pb-question-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 9px;
    margin: 6px 0 0;
    padding: 0;
    list-style: none;
  }

  .pb-question-options li {
    min-width: 0;
    color: #536a80;
    font-size: 0.67rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }

  .pb-option-letter {
    margin-inline-end: 3px;
    color: var(--teal-dark);
    font-weight: 750;
  }

  .pb-chapter-tag {
    display: inline-flex;
    align-items: center;
    align-self: start;
    padding: 4px 6px;
    color: #587b77;
    background: #f0faf7;
    border: 1px solid #d8eee8;
    border-radius: 7px;
    font-size: 0.58rem;
    font-weight: 700;
    white-space: nowrap;
  }

  .pb-sticky-actions {
    position: fixed;
    z-index: 25;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    min-height: 70px;
    align-items: center;
    justify-content: space-between;
    gap: 9px;
    padding: 10px max(14px, env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--line);
    box-shadow: 0 -7px 22px rgba(16, 36, 62, 0.07);
    backdrop-filter: blur(12px);
  }

  .pb-navigation-note {
    min-width: 0;
    margin: 0;
    color: var(--muted);
    font-size: 0.65rem;
    line-height: 1.4;
  }

  .pb-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 13px;
    color: #344b62;
    background: #fff;
    border: 1px solid #cbd9e5;
    border-radius: 11px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 740;
    line-height: 1.2;
    text-decoration: none;
    transition: background 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
  }

  .pb-button:hover:not(:disabled) {
    border-color: #96cfc4;
    box-shadow: 0 5px 14px rgba(16, 36, 62, 0.07);
  }

  .pb-button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
  }

  .pb-button-primary {
    color: #fff;
    background: var(--teal);
    border-color: var(--teal);
    box-shadow: 0 7px 18px rgba(15, 155, 142, 0.17);
  }

  .pb-button-primary:hover:not(:disabled) {
    color: #fff;
    background: var(--teal-dark);
    border-color: var(--teal-dark);
    box-shadow: 0 8px 20px rgba(15, 155, 142, 0.2);
    transform: translateY(-1px);
  }

  .pb-button-secondary {
    color: var(--teal-dark);
    background: var(--mint);
    border-color: #d5eee8;
  }

  .pb-button-secondary:hover:not(:disabled) {
    background: #def5ef;
    border-color: #b9e3d9;
  }

  .pb-button-outline {
    color: #2557a7;
    background: #eff4ff;
    border-color: #dbe6ff;
  }

  .pb-output-step {
    display: grid;
    gap: 14px;
  }

  .pb-review-summary,
  .pb-output-mark-summary {
    margin: -5px 0 14px;
    padding: 10px 12px;
    color: #176e62;
    background: #eaf8f4;
    border: 1px solid #d0eee5;
    border-radius: 10px;
    font-size: 0.73rem;
    font-weight: 620;
    line-height: 1.45;
  }

  .pb-review-list {
    display: grid;
    gap: 7px;
  }

  .pb-review-row {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px;
    padding: 9px;
    background: #fff;
    border: 1px solid #e4ebf1;
    border-radius: 11px;
  }

  .pb-review-row.is-dragging {
    opacity: 0.5;
  }

  .pb-review-drag {
    display: grid;
    width: 28px;
    min-height: 34px;
    place-items: center;
    color: #71869b;
    background: #f2f6f8;
    border: 1px solid #e2eaf0;
    border-radius: 8px;
    cursor: grab;
    touch-action: none;
  }

  .pb-review-drag svg {
    width: 15px;
    height: 18px;
  }

  .pb-review-body {
    min-width: 0;
    color: #243c55;
    font-size: 0.75rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  .pb-review-topline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 7px;
    margin-bottom: 5px;
  }

  .pb-review-number {
    color: var(--teal-dark);
    font-size: 0.66rem;
    font-weight: 780;
  }

  .pb-review-actions {
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .pb-icon-button,
  .pb-review-action,
  .pb-move-button,
  .pb-add-button {
    display: inline-grid;
    width: 31px;
    height: 31px;
    flex: 0 0 31px;
    place-items: center;
    color: #61748b;
    background: #f5f8fa;
    border: 1px solid #e1e9ef;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
  }

  .pb-review-action svg,
  .pb-move-button svg,
  .pb-icon-button svg {
    width: 16px;
    height: 16px;
  }

  .pb-review-action:hover,
  .pb-move-button:hover,
  .pb-icon-button:hover,
  .pb-add-button:hover {
    color: var(--teal-dark);
    background: var(--mint);
    border-color: #cce9e2;
  }

  .pb-review-action.is-danger:hover {
    color: var(--red);
    background: var(--red-wash);
    border-color: #f0deda;
  }

  .pb-review-row .pb-question-options {
    margin-bottom: 4px;
  }

  .pb-review-editor {
    display: grid;
    gap: 8px;
    margin-top: 9px;
    padding-top: 9px;
    border-top: 1px solid var(--line);
  }

  .pb-review-editor label {
    display: grid;
    gap: 4px;
    color: #52677e;
    font-size: 0.66rem;
    font-weight: 700;
  }

  .pb-review-editor textarea {
    min-height: 74px;
    resize: vertical;
    font-size: 0.73rem;
    line-height: 1.5;
  }

  .pb-review-editor-actions {
    display: flex;
    justify-content: flex-end;
    gap: 7px;
  }

  .pb-review-editor-actions .pb-button {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 0.67rem;
  }

  .pb-add-button {
    color: var(--teal-dark);
    background: var(--mint);
    border-color: #d5eee8;
    font-size: 1.2rem;
    font-weight: 500;
  }

  .pb-output-toolbar {
    position: static;
    padding: 14px;
  }

  .pb-output-toolbar .pb-section-heading {
    margin-bottom: 12px;
  }

  .pb-output-controls {
    display: grid;
    gap: 11px;
  }

  .pb-output-tabs {
    display: flex;
    gap: 5px;
    padding: 4px;
    background: #eff4f7;
    border: 1px solid var(--line);
    border-radius: 11px;
  }

  .pb-output-tabs button {
    min-height: 36px;
    flex: 1 1 0;
    padding: 7px 9px;
    color: #61748b;
    background: transparent;
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.72rem;
    font-weight: 710;
  }

  .pb-output-tabs button.is-active {
    color: var(--teal-dark);
    background: #fff;
    box-shadow: 0 1px 4px rgba(16, 36, 62, 0.1);
  }

  .pb-output-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
  }

  .pb-output-buttons .pb-button {
    flex: 1 1 145px;
  }

  .pb-output-mark-summary {
    margin: 11px 0 0;
  }

  .pb-paper-stage {
    display: grid;
    justify-items: center;
    gap: 16px;
    min-width: 0;
    padding: 12px;
    background: #eaf1f5;
    border: 1px solid #dce6ed;
    border-radius: 16px;
    overflow: auto;
  }

  .paperbuilder-flow .paper-sheet {
    position: relative;
    width: 210mm;
    max-width: 100%;
    min-height: 297mm;
    align-self: start;
    padding: 13mm 14mm 16mm;
    overflow: hidden;
    color: #111;
    background: #fff;
    border: 1px solid #e3ebf2;
    border-radius: 2px;
    box-shadow: 0 18px 42px rgba(16, 36, 62, 0.13), 0 2px 6px rgba(16, 36, 62, 0.07);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 11pt;
    line-height: 1.45;
  }

  .paperbuilder-flow .paper-sheet[hidden] {
    display: none !important;
  }

  .pb-paper-document {
    position: relative;
    min-height: 260mm;
    color: #111;
    background: #fff;
    font-size: var(--paper-font-size, 11pt);
  }

  .pb-watermark {
    position: absolute;
    z-index: 0;
    top: 43%;
    left: 50%;
    max-width: 90%;
    color: #244a5d;
    opacity: 0.08;
    font-family: var(--font-ui);
    font-size: clamp(28px, 8vw, 58px);
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: center;
    white-space: nowrap;
    pointer-events: none;
    transform: translate(-50%, -50%) rotate(-32deg);
  }

  .pb-paper-content {
    position: relative;
    z-index: 1;
  }

  .pb-paper-header {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 4px;
    padding: 0 0 10px;
    border-bottom: 2px solid #111;
    text-align: center;
  }

  .pb-paper-logo {
    position: absolute;
    top: 0;
    left: 0;
    max-width: 22mm;
    max-height: 22mm;
    object-fit: contain;
  }

  .pb-institute-name {
    max-width: 88%;
    margin: 0;
    color: #000;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.38em;
    font-weight: 760;
    line-height: 1.2;
    overflow-wrap: anywhere;
    text-transform: uppercase;
  }

  .pb-subject-class {
    margin: 1px 0 0;
    color: #111;
    font-size: 0.95em;
    font-weight: 700;
  }

  .pb-info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin: 10px 0 12px;
    border-top: 1px solid #222;
    border-left: 1px solid #222;
  }

  .pb-info-cell {
    min-width: 0;
    min-height: 28px;
    padding: 5px 6px;
    border-right: 1px solid #222;
    border-bottom: 1px solid #222;
    font-size: 0.72em;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }

  .pb-info-cell strong {
    font-weight: 750;
  }

  /* --- BWP MCQ table: Q# right, EN/UR side-by-side --- */
  .pb-bwp-mcq {
    width: 100%;
    border-collapse: collapse;
    margin: 8px 0 14px;
    font-size: 0.85em;
  }

  .pb-bwp-mcq td {
    border: 1.5px solid #000;
    padding: 5px 7px;
    vertical-align: top;
  }

  .pb-bwp-qwrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .pb-bwp-en {
    text-align: left;
  }

  .pb-bwp-ur {
    text-align: right;
    font-family: "Noto Nastaliq Urdu", serif;
    line-height: 1.9;
  }

  .pb-bwp-ncell {
    width: 8%;
    text-align: center;
    font-weight: 700;
    vertical-align: middle !important;
  }

  .pb-bwp-optwrap {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
  }

  .pb-bwp-opt {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
  }

  .pb-bwp-optkey {
    font-weight: 700;
  }

  /* --- BWP short question heading --- */
  .pb-bwp-sqhead {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
    align-items: center;
    margin: 10px 0 6px;
    padding: 6px 8px;
    border: 1.5px solid #000;
    font-size: 0.88em;
    font-weight: 600;
  }

  .pb-bwp-qno {
    white-space: nowrap;
    font-size: 1.05em;
  }

  /* --- BWP boxed note --- */
  .pb-bwp-note {
    border: 1.5px solid #000;
    padding: 6px 8px;
    margin: 8px 0;
    font-size: 0.82em;
    line-height: 1.5;
    background: #fafafa;
  }

  /* --- BWP board header table --- */
  .pb-bwp-header {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 12px;
    font-size: 0.88em;
    line-height: 1.45;
  }

  .pb-bwp-header td {
    border: 1.5px solid #000;
    padding: 5px 8px;
    vertical-align: middle;
  }

  .pb-bwp-header .pb-bwp-left {
    text-align: left;
    width: 38%;
  }

  .pb-bwp-header .pb-bwp-center {
    text-align: center;
    width: 24%;
  }

  .pb-bwp-header .pb-bwp-right {
    text-align: right;
    width: 38%;
  }

  .pb-bwp-header strong {
    font-weight: 750;
  }

  /* --- BISE board-style header (legacy) --- */
  .pb-board-header {
    text-align: center;
    padding: 0 0 8px;
    border-bottom: 2.5px double #000;
    margin-bottom: 10px;
  }

  .pb-board-institute {
    margin: 0;
    color: #000;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.5em;
    font-weight: 800;
    line-height: 1.25;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }

  .pb-board-session {
    margin: 3px 0 0;
    color: #111;
    font-size: 0.92em;
    font-weight: 600;
  }

  .pb-board-titleline {
    margin: 4px 0 0;
    color: #000;
    font-size: 1.02em;
    font-weight: 750;
  }

  .pb-board-info {
    margin: 8px 0 12px;
    font-size: 0.85em;
    line-height: 1.5;
  }

  .pb-board-inforow {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
  }

  .pb-board-tworow {
    justify-content: space-between;
  }

  .pb-board-label {
    font-weight: 700;
    white-space: nowrap;
  }

  .pb-board-blankline {
    flex: 1;
    border-bottom: 1px solid #000;
    min-width: 40mm;
    min-height: 1.2em;
  }

  .pb-board-datespace {
    min-width: 30mm;
    flex: none;
  }

  .pb-board-value {
    font-weight: 600;
    margin-left: 4px;
  }

  .pb-roll-boxes {
    display: inline-flex;
    gap: 2px;
    margin-left: 6px;
    vertical-align: middle;
  }

  .pb-roll-box {
    display: inline-block;
    width: 7mm;
    height: 7mm;
    border: 1.5px solid #000;
    background: #fff;
  }

  .pb-board-rollwrap, .pb-board-datewrap {
    display: inline-flex;
    align-items: center;
  }

  .pb-info-line {
    display: inline-block;
    min-width: 24mm;
    border-bottom: 1px solid #444;
  }

  .pb-paper-heading {
    margin: 12px 0 5px;
    color: #000;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1em;
    font-weight: 750;
    line-height: 1.4;
  }

  .pb-paper-heading-note {
    margin: 0 0 7px;
    font-size: 0.8em;
    font-style: italic;
    line-height: 1.4;
  }

  .pb-mcq-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 0.78em;
  }

  .pb-mcq-table th,
  .pb-mcq-table td {
    padding: 5px 4px;
    border: 1px solid #333;
    vertical-align: top;
    text-align: left;
    overflow-wrap: break-word;
    word-break: normal;
  }

  .pb-mcq-table th {
    background: #f1f1f1;
    font-family: var(--font-ui);
    font-size: 0.82em;
    font-weight: 750;
  }

  .pb-mcq-table .pb-number-col {
    width: 6%;
    text-align: center;
  }

  .pb-mcq-table .pb-question-col {
    width: 34%;
  }

  .pb-mcq-table .pb-option-col {
    width: 15%;
  }

  .pb-mcq-table .pb-question-cell {
    font-weight: 620;
  }

  .pb-mcq-table .pb-option-cell {
    font-size: 1em;
  }

  .pb-mcq-table .pb-option-key {
    display: block;
    margin: 0 0 2px;
    color: #222;
    font-family: var(--font-ui);
    font-size: 0.9em;
    font-weight: 760;
  }

  .pb-mcq-table .pb-language-pair {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .pb-mcq-table .pb-language-pair > span[lang="ur"] {
    padding-top: 2px;
    border-top: 1px dotted #9c9c9c;
    font-size: 0.92em;
  }

  /* KaTeX-rendered fractions: inline, vertically centered in text flow */
  .pb-katex {
    display: inline-block;
    vertical-align: middle;
    margin: 0 1px;
    direction: ltr;
    unicode-bidi: isolate;
  }
  }
  .pb-katex .katex {
    font-size: 1.04em;
  }

  .pb-short-group {
    margin: 12px 0 0;
  }

  .pb-short-list,
  .pb-long-list {
    display: grid;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .pb-short-item,
  .pb-long-part {
    display: grid;
    grid-template-columns: 29px minmax(0, 1fr);
    align-items: start;
    gap: 6px;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .pb-part-label {
    font-weight: 730;
  }

  .pb-short-item .pb-language-pair,
  .pb-long-part .pb-language-pair {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .pb-short-item .pb-language-pair > span[lang="ur"],
  .pb-long-part .pb-language-pair > span[lang="ur"] {
    padding-top: 2px;
    border-top: 1px dotted #9c9c9c;
    font-size: 0.96em;
  }

  .pb-long-question {
    margin: 9px 0;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .pb-long-question-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 4px;
    font-weight: 750;
  }

  .pb-compulsory-label {
    padding: 2px 5px;
    border: 1px solid #444;
    font-family: var(--font-ui);
    font-size: 0.65em;
    font-weight: 750;
    text-transform: uppercase;
  }

  .pb-answer-space {
    min-height: 14mm;
    margin: 3px 0 8px 29px;
    border-bottom: 1px dotted #aaa;
  }

  .pb-separate-written .pb-written-part {
    break-before: page;
    page-break-before: always;
  }

  .pb-omr-sheet {
    margin: 14px 0 0;
    padding: 8px;
    border: 1.5px solid #222;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .pb-omr-sheet h3 {
    margin: 0 0 7px;
    font-family: var(--font-ui);
    font-size: 0.82em;
    text-align: center;
    text-transform: uppercase;
  }

  .pb-omr-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px 10px;
  }

  .pb-omr-row {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-ui);
    font-size: 0.72em;
  }

  .pb-omr-bubbles {
    display: inline-flex;
    gap: 4px;
    margin-left: auto;
  }

  .pb-omr-bubble {
    display: inline-grid;
    width: 14px;
    height: 14px;
    place-items: center;
    border: 1px solid #111;
    border-radius: 50%;
    font-size: 0.63em;
  }

  .pb-paper-footer {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-top: 14mm;
    padding-top: 5px;
    border-top: 1px solid #333;
    font-family: var(--font-ui);
    font-size: 0.68em;
  }

  .pb-page-number {
    display: none;
  }

  .pb-key-notice {
    margin: 8px 0;
    padding: 6px 8px;
    border: 1px solid #555;
    font-size: 0.78em;
  }

  .pb-answer-key-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83em;
  }

  .pb-answer-key-table th,
  .pb-answer-key-table td {
    padding: 5px 6px;
    border: 1px solid #333;
    vertical-align: top;
    text-align: left;
  }

  .pb-answer-key-table th {
    background: #f1f1f1;
    font-family: var(--font-ui);
    font-size: 0.85em;
  }

  .pb-key-answer {
    font-weight: 750;
  }

  .pb-dialog {
    width: min(720px, calc(100% - 24px));
    max-width: 720px;
    max-height: min(92dvh, 900px);
    padding: 0;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: 0 24px 80px rgba(16, 36, 62, 0.24);
  }

  .pb-dialog::backdrop {
    background: rgba(16, 36, 62, 0.38);
    backdrop-filter: blur(3px);
  }

  .pb-dialog[open] {
    display: block;
  }

  .pb-dialog-form {
    max-height: min(92dvh, 900px);
    overflow: auto;
    padding: 18px 15px;
  }

  .pb-dialog-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 15px;
  }

  .pb-config-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .pb-config-field {
    display: grid;
    min-width: 0;
    gap: 5px;
    color: #40576d;
    font-size: 0.72rem;
    font-weight: 710;
  }

  .pb-config-field > span small {
    margin-left: 4px;
    color: var(--muted);
    font-size: 0.88em;
    font-weight: 500;
  }

  .pb-config-field > span b {
    color: var(--red);
  }

  .pb-config-field input {
    min-height: 42px;
    font-size: 0.78rem;
  }

  .pb-upload-control {
    display: flex;
    min-height: 42px;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 10px;
    color: #52677e;
    background: #f7fafb;
    border: 1px dashed #b8cad7;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.7rem;
  }

  .pb-upload-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    clip-path: inset(50%);
  }

  .pb-logo-preview img {
    display: block;
    max-width: 110px;
    max-height: 70px;
    margin-top: 7px;
    object-fit: contain;
    border: 1px solid var(--line);
    border-radius: 7px;
  }

  .pb-config-options {
    display: grid;
    gap: 9px;
    margin: 15px 0 0;
    padding: 12px;
    background: #f8fbfc;
    border: 1px solid var(--line);
    border-radius: 12px;
  }

  .pb-config-options legend {
    padding: 0 5px;
    color: var(--teal-dark);
    font-size: 0.72rem;
    font-weight: 750;
  }

  .pb-config-options label {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    color: #344b62;
    font-size: 0.74rem;
    line-height: 1.4;
  }

  .pb-config-options input {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    margin: 0;
  }

  .pb-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 14px;
  }

  .pb-footer {
    background: rgba(255, 255, 255, 0.82);
    border-top: 1px solid var(--line);
  }

  .pb-footer-inner {
    display: flex;
    width: min(1060px, calc(100% - 28px));
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-inline: auto;
    color: var(--muted);
    font-size: 0.65rem;
  }

  .pb-footer-inner strong {
    color: #344b62;
    font-size: 0.75rem;
  }

  .pb-noscript {
    padding: 12px;
    color: #853e37;
    background: #fff5f2;
  }

  @media (min-width: 640px) {
    .pb-topbar-inner,
    .pb-shell,
    .pb-footer-inner {
      width: min(1160px, calc(100% - 40px));
    }

    .pb-topbar-inner {
      min-height: 72px;
    }

    .pb-brand-caption {
      display: inline;
    }

    .pb-home-link,
    .pb-progress-copy {
      font-size: 0.75rem;
    }

    .pb-progress-copy {
      padding: 7px 10px;
    }

    .pb-shell {
      padding-top: 32px;
    }

    .pb-step-card {
      padding: 22px;
    }

    .pb-class-grid,
    .pb-subject-grid {
      gap: 12px;
    }

    .pb-class-card,
    .pb-subject-card {
      min-height: 157px;
      padding: 15px;
    }

    .pb-class-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pb-subject-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pb-card-icon {
      width: 48px;
      height: 48px;
    }

    .pb-card-icon svg {
      width: 34px;
      height: 34px;
    }

    .pb-controls-row {
      grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1fr);
      align-items: center;
    }

    .pb-medium-fieldset {
      justify-content: flex-end;
    }

    .pb-question-row {
      grid-template-columns: 24px minmax(0, 1fr) auto;
      padding: 10px 11px;
    }

    .pb-language-pair:has(> span[lang="ur"]):has(> span[lang="en"]) {
      grid-template-columns: minmax(0, 1fr);
      gap: 4px;
    }

    .pb-language-pair > span[lang="ur"] {
      padding-left: 0;
      border-left: none;
      border-top: 1px dotted #999;
      padding-top: 4px;
    }

    .pb-question-options {
      gap: 4px 14px;
    }

    .pb-sticky-actions {
      min-height: 76px;
      padding-right: max(24px, calc((100% - 900px) / 2));
      padding-left: max(24px, calc((100% - 900px) / 2));
    }

    .pb-navigation-note {
      flex: 1 1 auto;
      font-size: 0.73rem;
    }

    .pb-button {
      min-height: 44px;
      padding-inline: 16px;
      font-size: 0.8rem;
    }

    .pb-review-row {
      padding: 11px;
    }

    .pb-output-toolbar {
      padding: 18px;
    }

    .pb-output-controls {
      grid-template-columns: auto minmax(0, 1fr);
      align-items: center;
    }

    .pb-output-tabs {
      min-width: 215px;
    }

    .pb-output-tabs button {
      flex: 0 0 auto;
    }

    .pb-output-buttons {
      justify-content: flex-end;
    }

    .pb-output-buttons .pb-button {
      flex: 0 1 auto;
    }

    .pb-paper-stage {
      padding: 22px;
    }

    .pb-config-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .pb-field-wide {
      grid-column: 1 / -1;
    }

    .pb-dialog-form {
      padding: 24px;
    }
  }

  @media (min-width: 900px) {
    .pb-subject-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .pb-step-card {
      padding: 27px;
    }

    .pb-paper-stage {
      padding: 28px;
    }
  }

  @media (max-width: 480px) {
    .pb-topbar-inner {
      min-height: 60px;
    }

    .pb-brand-mark {
      width: 34px;
      height: 34px;
      flex-basis: 34px;
    }

    .pb-brand-name {
      font-size: 0.98rem;
    }

    .pb-home-link {
      max-width: 58px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .pb-topbar-tools {
      gap: 6px;
    }

    .pb-progress-copy {
      padding: 5px 6px;
      font-size: 0.59rem;
    }

    .pb-list-actions {
      align-items: flex-start;
      flex-direction: column;
      gap: 5px;
    }

    .pb-inline-actions {
      align-self: flex-end;
    }

    .pb-auto-grid {
      grid-template-columns: 1fr;
    }

    .pb-auto-footer {
      align-items: stretch;
      flex-direction: column;
    }

    .pb-question-row {
      grid-template-columns: 20px minmax(0, 1fr);
    }

    .pb-question-row > .pb-chapter-tag {
      grid-column: 2;
      justify-self: start;
    }

    .pb-question-options {
      grid-template-columns: 1fr;
    }

    .pb-sticky-actions {
      min-height: 68px;
      gap: 6px;
      padding-inline: 10px;
    }

    .pb-sticky-actions .pb-button {
      min-height: 40px;
      padding: 8px 10px;
      font-size: 0.7rem;
    }

    .pb-navigation-note {
      max-width: 42%;
      font-size: 0.59rem;
    }

    .pb-output-buttons .pb-button {
      flex-basis: 120px;
      font-size: 0.67rem;
    }

    .paperbuilder-flow .paper-sheet {
      padding: 9mm 7mm 11mm;
      font-size: 9pt;
    }

    .pb-info-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pb-mcq-table {
      font-size: 0.8em;
    }

    .pb-mcq-table th,
    .pb-mcq-table td {
      padding: 3px 2px;
    }

    .pb-mcq-table .pb-question-col {
      width: 38%;
    }

    .pb-mcq-table .pb-option-col {
      width: 14%;
    }

    .pb-omr-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pb-footer-inner span:nth-child(2) {
      display: none;
    }
  }

.pb-data-table-wrap {
  text-align: center;
  margin: 8px 0 4px;
}
.pb-data-table {
  display: inline-table;
  border-collapse: collapse;
  margin: 4px auto;
  font-size: 0.95em;
}
.pb-data-table th,
.pb-data-table td {
  border: 1.5px solid #1a1a1a;
  padding: 6px 10px;
  text-align: center;
  background: #fff;
}
.pb-data-table th.pb-data-table-label {
  background: #eef3ee;
  font-weight: 600;
  white-space: nowrap;
}

@media print {
  .paperbuilder-flow .pb-topbar,
  .paperbuilder-flow .pb-intro,
  .paperbuilder-flow .pb-bank-status,
  .paperbuilder-flow .pb-toast,
  .paperbuilder-flow .pb-flow-message,
  .paperbuilder-flow .pb-footer,
  .paperbuilder-flow .pb-sticky-actions,
  .paperbuilder-flow .pb-output-toolbar,
  .paperbuilder-flow .pb-dialog,
  .paperbuilder-flow .skip-link,
  .paperbuilder-flow #wizard-step-1,
  .paperbuilder-flow #wizard-step-2,
  .paperbuilder-flow #wizard-step-3,
  .paperbuilder-flow #wizard-step-4,
  .paperbuilder-flow #wizard-step-5 {
    display: none !important;
  }

  .paperbuilder-flow .pb-shell {
    width: auto !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .paperbuilder-flow .pb-workspace,
  .paperbuilder-flow #wizard-step-7,
  .paperbuilder-flow .pb-paper-stage {
    display: block !important;
    width: auto !important;
    max-width: none !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
    background: #fff !important;
    border: 0 !important;
    box-shadow: none !important;
  }

  .paperbuilder-flow .paper-sheet {
    position: relative !important;
    display: block !important;
    width: auto !important;
    max-width: none !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
    color: #000 !important;
    background: #fff !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    font-size: 11pt;
  }

  .paperbuilder-flow .paper-sheet * {
    color: #000 !important;
    box-shadow: none !important;
    print-color-adjust: exact;
  }

  .paperbuilder-flow .pb-paper-document {
    min-height: 0 !important;
    color: #000 !important;
    background: #fff !important;
    font-size: var(--paper-font-size, 11pt) !important;
  }

  .paperbuilder-flow .pb-paper-header,
  .paperbuilder-flow .pb-info-grid,
  .paperbuilder-flow .pb-mcq-table,
  .paperbuilder-flow .pb-answer-key-table,
  .paperbuilder-flow .pb-omr-sheet {
    color: #000 !important;
    background: #fff !important;
  }

  .paperbuilder-flow .pb-mcq-table th,
  .paperbuilder-flow .pb-answer-key-table th {
    background: #fff !important;
  }

  .paperbuilder-flow .pb-written-part.is-separate-page {
    break-before: page;
    page-break-before: always;
  }

  .paperbuilder-flow .pb-page-number {
    display: none;
  }

  @page {
    @bottom-center {
      content: "Page " counter(page);
      font-size: 9pt;
    }
  }

  .paperbuilder-flow .pb-watermark {
    color: #666 !important;
    opacity: 0.08 !important;
    print-color-adjust: exact;
  }

  .paperbuilder-flow .pb-paper-logo {
    max-width: 22mm !important;
    max-height: 22mm !important;
  }

  .paperbuilder-flow .pb-answer-space {
    border-bottom-color: #aaa !important;
  }

  .paperbuilder-flow .pb-page-footer {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

@media screen {
  .pb-language-pair.is-bilingual {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 9px;
  }

  .pb-language-pair.is-bilingual > span[lang="ur"] {
    padding-left: 8px;
    border-left: 1px solid #e2eaf0;
    font-family: "Noto Nastaliq Urdu", serif;
    text-align: right;
  }

  .pb-document-title {
    margin: 1px 0 0;
    color: #273f56;
    font-family: var(--font-ui);
    font-size: 0.78em;
    font-weight: 760;
    letter-spacing: 0.09em;
  }

  .pb-document-title .pb-language-pair {
    justify-items: center;
  }

  .pb-document-title [lang="ur"] {
    font-family: "Noto Nastaliq Urdu", serif;
    font-size: 1.2em;
    letter-spacing: 0;
  }

  .pb-info-label {
    display: block;
    margin-bottom: 2px;
    color: #344b62;
    font-size: 0.9em;
  }

  .pb-info-label .pb-language-pair.is-bilingual {
    gap: 4px;
  }

  .pb-info-label .pb-language-pair > span[lang="ur"] {
    padding-left: 4px;
  }

  .pb-info-colon {
    display: none;
  }

  .pb-info-value {
    display: inline-block;
    min-width: 22mm;
    min-height: 13px;
    border-bottom: 1px solid #777;
  }

  .pb-number-cell {
    text-align: center !important;
    font-variant-numeric: tabular-nums;
    font-weight: 700;
  }

  .pb-option-copy {
    min-width: 0;
    line-height: 1.35;
    overflow-wrap: anywhere;
  }

  .pb-long-question-badges {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.74em;
    font-weight: 600;
  }

  .pb-compulsory-label {
    padding: 3px 5px;
    color: #344b62;
    background: #eff4f7;
    border: 1px solid #cbd9e5;
    border-radius: 5px;
    font-family: var(--font-ui);
    font-size: 0.85em;
    font-weight: 780;
    text-transform: uppercase;
  }

  .pb-long-marks {
    white-space: nowrap;
  }

  .pb-marks-summary.is-error {
    color: #853e37;
  }

    .pb-data-table-wrap {
    text-align: center;
    margin: 8px 0 4px;
  }
  .pb-data-table {
    display: inline-table;
    border-collapse: collapse;
    margin: 4px auto;
    font-size: 0.95em;
  }
  .pb-data-table th,
  .pb-data-table td {
    border: 1.5px solid #1a1a1a;
    padding: 6px 10px;
    text-align: center;
    background: #fff;
  }
  .pb-data-table th.pb-data-table-label {
    background: #eef3ee;
    font-weight: 600;
    white-space: nowrap;
  }
.pb-question-figure {
    display: block;
    max-width: min(100%, 270px);
    max-height: 170px;
    margin: 8px auto;
    object-fit: contain;
  }

  .pb-missing-figure {
    margin: 6px 0 0;
    padding: 5px 7px;
    color: #785d32;
    background: #fbf7ee;
    border: 1px solid #efe6d2;
    border-radius: 6px;
    font-size: 0.66rem;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }

  .pb-paper-footer {
    color: #40576d;
  }

  .pb-footer-brand {
    font-weight: 750;
    letter-spacing: 0.04em;
  }

  .pb-page-number {
    color: var(--muted);
  }

  .pb-key-notice,
  .pb-key-not-provided {
    color: #344b62;
    font-size: 0.78em;
    line-height: 1.5;
  }

  .pb-key-no-answer-section {
    margin-top: 12px;
  }

  .pb-key-prompt-list {
    display: grid;
    gap: 7px;
    margin: 6px 0 0;
    padding-left: 22px;
  }

  .pb-key-prompt-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 4px;
    padding: 5px 0;
    border-bottom: 1px solid #e3ebf2;
    font-size: 0.79em;
    line-height: 1.45;
  }

  .pb-key-prompt-item > .pb-key-not-provided {
    grid-column: 2;
    color: #61748b;
    font-size: 0.9em;
  }

  .pb-key-letter {
    margin-right: 4px;
  }

  .pb-output-mark-summary {
    color: #176e62;
  }
}

@media print {
  .paperbuilder-flow .paper-sheet[hidden] {
    display: none !important;
  }

  body.paperbuilder-flow[data-print-target="student"] #student-paper {
    display: block !important;
  }

  body.paperbuilder-flow[data-print-target="student"] #answer-key {
    display: none !important;
  }

  body.paperbuilder-flow[data-print-target="answer-key"] #student-paper {
    display: none !important;
  }

  body.paperbuilder-flow[data-print-target="answer-key"] #answer-key {
    display: block !important;
  }

  .paperbuilder-flow .pb-language-pair.is-bilingual {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    gap: 8px;
  }

  .paperbuilder-flow .pb-language-pair.is-bilingual > span[lang="ur"] {
    padding-left: 6px;
    border-left: 1px solid #777 !important;
  }

  .paperbuilder-flow .pb-info-label {
    display: block;
  }

  .paperbuilder-flow .pb-paper-footer,
  .paperbuilder-flow .pb-paper-header,
  .paperbuilder-flow .pb-info-cell,
  .paperbuilder-flow .pb-short-item,
  .paperbuilder-flow .pb-long-part,
  .paperbuilder-flow .pb-long-question,
  .paperbuilder-flow .pb-omr-row {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .paperbuilder-flow .pb-missing-figure {
    color: #000 !important;
    background: #fff !important;
    border-color: #777 !important;
  }
}

@media screen {
  .pb-pattern-mark-controls {
    margin: 0 0 14px;
    padding: 13px;
    background: #fbfcfd;
    border: 1px solid var(--line);
    border-radius: 12px;
  }

  .pb-pattern-mark-controls legend {
    padding: 0 6px;
    color: #344b62;
    font-size: 0.83rem;
    font-weight: 750;
  }

  .pb-pattern-mark-controls > p:first-of-type {
    margin: 0 0 11px;
    color: var(--muted);
    font-size: 0.75rem;
    line-height: 1.5;
  }

  .pb-pattern-mark-controls .pb-marks-summary {
    margin: 8px 0 0;
    padding: 8px 10px;
    color: #176e62;
    background: #eef8f5;
    border-radius: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1.45;
  }

  .pb-pattern-mark-controls .pb-marks-summary.is-error {
    color: #853e37;
    background: #fbf0ee;
  }
}

@media print {
  .paperbuilder-flow .pb-pattern-mark-controls {
    display: none !important;
  }

  /* BWP styles must work in print */
  .pb-bwp-header {
    width: 100% !important;
    border-collapse: collapse !important;
    margin: 0 0 12px !important;
  }

  .pb-bwp-header td {
    border: 1.5px solid #000 !important;
    padding: 5px 8px !important;
  }

  .pb-bwp-mcq {
    width: 100% !important;
    border-collapse: collapse !important;
  }

  .pb-bwp-mcq td {
    border: 1.5px solid #000 !important;
    padding: 5px 7px !important;
  }

  /* Never split a board row across pages. Each MCQ groups its question row and
     option row in one tbody (.pb-bwp-qblock); a lone "(A) (B) (C) (D)" fragment
     at the top of a page is a broken question. */
  tr,
  .pb-bwp-qrow,
  .pb-bwp-orow,
  .pb-bwp-qblock {
    break-inside: avoid !important;
    page-break-inside: avoid !important;
  }

  /* Keep a heading or section instruction with the rows it introduces. */
  .pb-bwp-sqhead,
  .pb-paper-heading {
    break-after: avoid !important;
    page-break-after: avoid !important;
    break-inside: avoid !important;
    page-break-inside: avoid !important;
  }

  .pb-bwp-qwrap {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 10px !important;
  }

  .pb-bwp-en {
    text-align: left !important;
  }

  .pb-bwp-ur {
    text-align: right !important;
  }

  /* Single-language papers: let the lone span use the whole row. */
  .pb-bwp-qwrap > :only-child {
    grid-column: 1 / -1;
  }

  .pb-bwp-ncell {
    width: 8% !important;
    text-align: center !important;
    font-weight: 700 !important;
  }

  .pb-bwp-optwrap {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 6px 18px !important;
  }

  .pb-bwp-sqhead {
    display: grid !important;
    grid-template-columns: 1fr auto !important;
    border: 1.5px solid #000 !important;
    padding: 6px 8px !important;
    margin: 10px 0 6px !important;
  }

  .pb-bwp-note {
    border: 1.5px solid #000 !important;
    padding: 6px 8px !important;
    margin: 8px 0 !important;
  }

  .pb-roll-boxes {
    display: inline-flex !important;
    gap: 2px !important;
  }

  .pb-roll-box {
    display: inline-block !important;
    width: 7mm !important;
    height: 7mm !important;
    border: 1.5px solid #000 !important;
  }
}

/* Competitor-style chapters + topics dropdown */
.pb-chapter-wrapper { margin-bottom: 10px; border: 1px solid #e5e7eb; border-radius: 12px; overflow: hidden; background: #fff; }
.pb-chapter-wrapper.is-selected { border-color: #f5a623; box-shadow: 0 2px 8px rgba(245,166,35,0.15); }
.pb-chapter-wrapper .pb-chapter-row { border: none !important; border-radius: 0 !important; box-shadow: none !important; margin: 0; }
.pb-chapter-wrapper.is-selected .pb-chapter-row { background: #fffdf7; }
.pb-topic-badge { margin-left: auto; background: #f5a623; color: #1a1d29; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; white-space: nowrap; align-self: center; }
.pb-topic-panel { border-top: 1px solid #f0e6d2; background: #fffefb; padding: 10px 16px 14px; }
.pb-topic-actions { display: flex; gap: 16px; align-items: center; padding-bottom: 8px; border-bottom: 1px solid #eee; margin-bottom: 10px; }
.pb-topic-action { background: none; border: none; color: #d97706; font-size: 11px; font-weight: 700; letter-spacing: 0.4px; cursor: pointer; padding: 2px 0; font-family: inherit; }
.pb-topic-action:hover { text-decoration: underline; }
.pb-topic-action-muted { color: #9ca3af; }
.pb-topic-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 24px; }
.pb-topic-item { display: flex; align-items: center; gap: 8px; padding: 4px 0; cursor: pointer; font-size: 13.5px; }
.pb-topic-item input { accent-color: #f59e0b; width: 16px; height: 16px; flex-shrink: 0; }
.pb-topic-item .pb-topic-label { color: #222; font-weight: 500; }
.pb-topic-item input:not(:checked) + .pb-topic-label { color: #9ca3af; }
.pb-topic-count { background: #fef3c7; color: #b45309; padding: 1px 8px; border-radius: 10px; font-size: 11px; font-weight: 700; margin-left: auto; }
/* Chapter select-all / deselect buttons (competitor style) */
#select-all-units { border: 1.5px solid #f5a623 !important; color: #b45309 !important; background: #fffbeb !important; border-radius: 8px !important; padding: 7px 16px !important; font-weight: 700 !important; font-size: 12.5px !important; letter-spacing: 0.3px; cursor: pointer; }
#select-all-units:hover { background: #fef3c7 !important; }
#clear-units { border: 1.5px solid #d1d5db !important; color: #6b7280 !important; background: #f9fafb !important; border-radius: 8px !important; padding: 7px 16px !important; font-weight: 700 !important; font-size: 12.5px !important; letter-spacing: 0.3px; cursor: pointer; }
#clear-units:hover { background: #f3f4f6 !important; }
.pb-chapter-row .pb-unit-checkbox { accent-color: #f59e0b; width: 18px; height: 18px; }
/* Hide internal bank status from audience; show only on error */
#bank-status { display: none; }
#bank-status.is-error { display: flex; }

/* Medium chips are generated state: unavailable mediums must not leak into view. */
.pb-medium-fieldset label[hidden] {
  display: none !important;
}

.pb-medium-fieldset label.is-unavailable {
  opacity: 0.45;
  cursor: not-allowed;
}

.pb-medium-note {
  margin: 8px 0 2px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}


/* BWP options: each choice keeps its key beside the text, and bilingual choices
   stack English over Urdu instead of running the two languages together. */
.pb-bwp-optwrap {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 14px;
}

.pb-bwp-opt {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 4px;
}

/* The key and its text share one line: the spacer span between them is layout noise. */
.pb-bwp-opt > span:not([class]) {
  display: none;
}

.pb-bwp-opt > .pb-language-pair {
  grid-column: 2;
}

.pb-bwp-opt .pb-language-pair,
.pb-bwp-opt .pb-language-pair.is-bilingual {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.pb-bwp-opt .pb-language-pair > span[lang="ur"] {
  padding-left: 0;
  border-left: 0;
  text-align: right;
}

@media print {
  .pb-bwp-optwrap {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 4px 14px !important;
  }

  .pb-bwp-opt {
    display: grid !important;
    grid-template-columns: auto minmax(0, 1fr) !important;
    align-items: start !important;
  }

  .pb-bwp-opt > span:not([class]) {
    display: none !important;
  }

  .pb-bwp-opt > .pb-language-pair {
    grid-column: 2 !important;
  }

  .pb-bwp-opt .pb-language-pair,
  .pb-bwp-opt .pb-language-pair.is-bilingual {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) !important;
  }
}

/* Bilingual options need the full row: each choice already carries two languages. */
.pb-bwp-optwrap.is-bilingual {
  grid-template-columns: minmax(0, 1fr);
}

.pb-bwp-opt .pb-language-pair.is-bilingual,
.pb-bwp-opt .pb-language-pair.is-bilingual > span {
  display: block;
}

.pb-bwp-opt .pb-language-pair.is-bilingual > span[lang="ur"] {
  padding-left: 0 !important;
  border-left: 0 !important;
  text-align: right;
}

@media print {
  .pb-bwp-optwrap.is-bilingual {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .pb-bwp-opt .pb-language-pair.is-bilingual,
  .pb-bwp-opt .pb-language-pair.is-bilingual > span {
    display: block !important;
  }

  .pb-bwp-opt .pb-language-pair.is-bilingual > span[lang="ur"] {
    padding-left: 0 !important;
    border-left: 0 !important;
    text-align: right !important;
  }
}

/* Paper-language chips (paper step only). Same visual language as the medium
   chips, but this control changes the printed paper, not the builder. */
.pb-print-language {
  margin: 10px 0 0;
}

.pb-print-language label {
  cursor: pointer;
}

.pb-print-language label[hidden] {
  display: none !important;
}

.pb-print-language label.is-unavailable {
  opacity: 0.45;
  cursor: not-allowed;
}

@media print {
  .pb-print-language,
  .pb-medium-note,
  #print-language-note {
    display: none !important;
  }
}

/* Page footer label follows the paper language. The label is generated by a CSS
   margin box, which cannot read an ancestor's language, so each direction gets a
   named page: an Urdu paper prints "صفحہ N" and never the English word. */
@media print {
  .pb-paper-document[dir="rtl"] {
    page: paper-urdu;
  }

  @page paper-urdu {
    @bottom-center {
      content: "صفحہ " counter(page);
      font-size: 9pt;
    }
  }
}