:root {
  --ink: #1e2b3a;
  --muted: #5d6b7a;
  --paper: #ffffff;
  --brand-primary: #2f5fa7;
  --brand-secondary: #f2c230;
  --brand-accent: #d63a2c;
  --accent: #0d4a7c;
  --accent-dark: #083255;
  --teal: #0d4a7c;
  --line: #dde4ec;
  --shadow: rgba(13, 31, 48, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--bs-body-font-family, system-ui);
  color: var(--ink);
  background: #f3f6f9;
  min-height: 100vh;
  overflow-x: hidden;
}

.btn {
  font-weight: 600;
}

.btn-primary {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background: #284f8a;
  border-color: #284f8a;
  color: #ffffff;
}

.btn-outline-primary {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: rgba(47, 95, 167, 0.12);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-outline-secondary {
  color: var(--brand-primary);
  border-color: rgba(47, 95, 167, 0.5);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: rgba(47, 95, 167, 0.08);
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.btn-outline-danger {
  color: var(--brand-accent);
  border-color: var(--brand-accent);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
  background: rgba(214, 58, 44, 0.12);
  border-color: var(--brand-accent);
  color: var(--brand-accent);
}

.btn-danger {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
  color: #ffffff;
}

.btn-danger:hover,
.btn-danger:focus {
  background: #b12d24;
  border-color: #b12d24;
  color: #ffffff;
}

.latex ul,
.latex ol {
  padding-left: 1.2rem;
  margin: 0.4rem 0;
}

.latex li {
  margin: 0.2rem 0;
}

.latex p {
  margin: 0 0 0.5rem;
}

.bg-orbit,
.bg-grid {
  display: none;
}

.hero {
  position: relative;
  z-index: 1;
  padding: 48px 8vw 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  gap: 20px;
  align-items: center;
}

.badge {
  width: 58px;
  height: 58px;
  border-radius: 12px;
  background: var(--brand-primary);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 0 12px 24px var(--shadow);
}

.overline {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  color: var(--muted);
}

h1 {
  margin: 6px 0 6px;
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.subtitle {
  margin: 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.chip {
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
  box-shadow: 0 8px 16px var(--shadow);
}

.chip.is-success {
  border-color: rgba(43, 111, 58, 0.35);
  color: #2b6f3a;
  background: #ecfdf3;
}

.chip.is-error {
  border-color: rgba(214, 58, 44, 0.35);
  color: var(--brand-accent);
  background: #fff1f2;
}

.chip.is-warning {
  border-color: rgba(242, 194, 48, 0.6);
  color: #9b7b0b;
  background: #fff7ed;
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
  padding: 12px 8vw 48px;
}

.builder-layout {
  max-width: none;
  padding-left: 3vw;
  padding-right: 3vw;
}

.builder-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 32px rgba(13, 31, 48, 0.08);
  backdrop-filter: blur(10px);
}

.grading-topbar {
  margin-bottom: 24px;
}

.grading-topbar .builder-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.toolbar-status.is-hidden {
  display: none;
}

.toolbar-status.is-active {
  color: #2b6f3a;
  border-color: rgba(43, 111, 58, 0.3);
  background: rgba(43, 111, 58, 0.08);
}

.builder-topbar-left,
.builder-topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.builder-topbar .btn {
  border-radius: 10px;
}

.toolbar-session {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar-session .field {
  gap: 4px;
  min-width: 220px;
}

.toolbar-session .field span {
  font-size: 0.8rem;
  color: var(--muted);
}

.session-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  margin: 12px 0;
  background: #f8fbff;
}

.session-panel summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.session-panel summary::-webkit-details-marker {
  display: none;
}

.session-panel summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.session-panel[open] summary::after {
  transform: rotate(180deg);
}

.session-panel-body {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.builder-status {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.builder-current-title {
  font-weight: 600;
  color: var(--ink);
}

.wizard-status {
  align-self: start;
  justify-self: start;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #ffffff;
  font-weight: 600;
  color: var(--muted);
  box-shadow: 0 8px 18px var(--shadow);
}

.wizard-status.is-draft {
  color: #2b6f3a;
  border-color: rgba(43, 111, 58, 0.3);
}

.wizard-status.is-locked {
  color: var(--brand-accent);
  border-color: rgba(214, 58, 44, 0.3);
}

.stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 32px rgba(13, 31, 48, 0.08);
}

.builder-topbar .stepper {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.stepper-btn {
  border: 1px solid transparent;
  background: transparent;
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.stepper-btn.active {
  background: var(--accent);
  color: #ffffff;
  border-color: transparent;
}

.stepper-btn.completed {
  border: 1px solid rgba(11, 107, 58, 0.35);
  color: #0b6b3a;
}

.stepper-btn.completed.active {
  background: #0b6b3a;
  color: #ffffff;
}

.stepper-btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}

.wizard-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.bank-columns {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(280px, 1fr) minmax(280px, 1fr);
}

.bank-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bank-column-header {
  display: flex;
  justify-content: flex-end;
}

.bank-selected-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.selected-preview-thumb {
  max-width: 100%;
  max-height: 160px;
  border: 1px solid var(--line);
  border-radius: 10px;
  object-fit: contain;
  background: #f8fafc;
}

.selected-preview-answer-label {
  font-weight: 600;
  color: var(--muted);
}

.selected-question-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  padding: 16px;
  display: grid;
  gap: 12px;
  box-shadow: 0 8px 18px var(--shadow);
}

.selected-question-badge {
  position: absolute;
  top: -10px;
  left: 16px;
  background: rgba(47, 95, 167, 0.12);
  color: #2f5fa7;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  border: 1px solid rgba(47, 95, 167, 0.25);
  box-shadow: none;
}

.selected-question-body {
  display: grid;
  gap: 10px;
  padding-top: 0;
}

.selected-question-text {
  font-size: 0.98rem;
  color: var(--ink);
}

.selected-question-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 14px;
  align-items: start;
}

.selected-question-image {
  display: flex;
  justify-content: center;
}

.selected-question-image img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
}

.selected-question-answers {
  display: grid;
  gap: 6px;
}

.selected-question-answers.is-horizontal,
.preview-answer-list.is-horizontal {
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  align-items: start;
}

.selected-question-answers.is-horizontal .selected-question-answer,
.preview-answer-list.is-horizontal .preview-answer-row {
  min-width: 0;
}

.selected-question-answer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 8px;
  align-items: center;
}

.selected-answer-note {
  grid-column: 2 / -1;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f7f9fc;
  color: #2a3447;
  font-size: 0.9rem;
}

.selected-answer-note-body {
  margin-top: 4px;
}

.answer-accordion {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 12px;
  background: #fff;
}

.answer-accordion summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

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

.answer-accordion summary::after {
  content: "▾";
  float: right;
  color: var(--muted);
  font-weight: 700;
}

.answer-accordion[open] summary::after {
  content: "▴";
}

.answer-tick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: rgba(11, 107, 58, 0.15);
}

.answer-tick svg {
  width: 14px;
  height: 14px;
  fill: #0b6b3a;
}

.selected-question-actions {
  display: flex;
  justify-content: flex-end;
}

.admin-layout {
  max-width: none;
  padding-left: 4vw;
  padding-right: 4vw;
}

.top-nav {
  display: flex;
  gap: 16px;
  padding: 18px 3vw 0;
  align-items: center;
}

.top-nav .nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.top-nav .nav-logo img {
  height: 34px;
  width: auto;
  display: block;
}

.top-nav .nav-spacer {
  flex: 1;
}

.top-nav .nav-link {
  color: var(--brand-primary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  padding-bottom: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}

.top-nav .nav-link:hover {
  border-color: var(--brand-secondary);
}

.top-nav .nav-link.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding-bottom: 0;
  border-radius: 999px;
}

.top-nav .nav-link.nav-icon i {
  font-size: 1rem;
}

.top-nav .nav-link.nav-icon:hover {
  background: rgba(47, 95, 167, 0.12);
}

.top-nav .nav-link.admin-link {
  margin-left: 0;
}

.top-nav .nav-avatar {
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid rgba(47, 95, 167, 0.25);
  background: rgba(47, 95, 167, 0.12);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
}

.top-nav .nav-avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.top-nav .nav-avatar-image:not(.is-hidden) + .nav-avatar-initials {
  display: none;
}

.top-nav .nav-avatar-initials {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: #ffffff;
  background: #2f5fa7;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.twofa-lock {
  position: fixed;
  inset: 0;
  background: rgba(8, 20, 40, 0.35);
  z-index: 39;
}

.twofa-page .card {
  border-radius: 16px;
}

.twofa-setup {
  display: grid;
  gap: 12px;
}

.twofa-qr {
  padding: 12px;
  border: 1px dashed rgba(15, 76, 129, 0.3);
  border-radius: 12px;
  width: fit-content;
  background: #fff;
}

.twofa-qr img {
  display: block;
  max-width: 220px;
  height: auto;
}

.top-nav .nav-chip {
  background: rgba(47, 95, 167, 0.1);
  border: 1px solid rgba(47, 95, 167, 0.25);
  color: #2f5fa7;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
}

.top-nav .nav-chip-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.top-nav .nav-chip-menu {
  position: relative;
}

.top-nav .nav-chip-button {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-nav .nav-chip-button i {
  font-size: 0.7rem;
}

.top-nav .nav-chip-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 220px;
  background: #ffffff;
  border: 1px solid rgba(47, 95, 167, 0.2);
  border-radius: 8px;
  box-shadow: 0 16px 28px rgba(13, 31, 48, 0.18);
  padding: 8px;
  z-index: 1000;
  display: grid;
  gap: 4px;
}

.top-nav .nav-chip-dropdown.is-hidden {
  display: none;
}

.top-nav .nav-chip-item {
  border: none;
  background: transparent;
  text-align: left;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
}

.top-nav .nav-chip-item:hover {
  background: rgba(47, 95, 167, 0.08);
}

.top-nav .nav-chip-item.is-active {
  background: rgba(47, 95, 167, 0.16);
  color: #2f5fa7;
  font-weight: 700;
}

.top-nav .nav-chip-loading,
.top-nav .nav-chip-empty {
  padding: 8px 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.top-nav .nav-chip-item:focus-visible,
.top-nav .nav-chip-button:focus-visible {
  outline: 2px solid rgba(242, 194, 48, 0.9);
  outline-offset: 2px;
}

.top-nav .nav-chip-link {
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.top-nav .nav-chip-link:hover {
  background: rgba(47, 95, 167, 0.18);
  border-color: rgba(242, 194, 48, 0.85);
  color: #234a85;
}

.is-locked {
  pointer-events: none;
  opacity: 0.6;
}

.bank-column {
  position: relative;
}

.bank-locked-overlay {
  position: absolute;
  inset: 48px 0 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  background: rgba(248, 250, 255, 0.82);
  backdrop-filter: blur(2px);
  z-index: 2;
  padding: 16px;
}

.bank-locked-overlay.is-hidden {
  display: none;
}

.bank-locked-card {
  width: min(320px, 90%);
  background: #ffffff;
  border: 1px solid rgba(47, 95, 167, 0.2);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 12px 24px rgba(15, 40, 80, 0.12);
}

.bank-locked-card i {
  font-size: 1.4rem;
  color: #2f5fa7;
  margin-bottom: 8px;
}

.bank-locked-title {
  font-weight: 700;
  color: #2f5fa7;
  margin-bottom: 4px;
}

.bank-locked-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
}

.icon-button {
  border: 1px solid var(--line);
  background: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  cursor: pointer;
}

.avatar-modal {
  width: min(840px, 92vw);
}

.avatar-modal-body {
  display: grid;
  gap: 16px;
}

.avatar-upload {
  display: grid;
  grid-template-columns: minmax(260px, 1.2fr) minmax(200px, 0.8fr);
  gap: 16px;
  align-items: start;
}

.avatar-upload-panel {
  display: grid;
  gap: 12px;
}

.avatar-crop-container {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
  padding: 12px;
  display: grid;
  place-items: center;
  min-height: 260px;
}

.avatar-crop-container img {
  max-width: 100%;
  max-height: 360px;
  display: block;
}

.avatar-preview-title {
  font-weight: 600;
  color: var(--ink);
}

.avatar-preview {
  width: 120px;
  height: 120px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #0b2f4f;
  color: #ffffff;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.public-access-card {
  width: 100%;
  max-width: none;
  margin: 6vh 0;
}

.public-access-card .card-body {
  padding: 1.5rem 1rem;
}

@media (max-width: 768px) {
  .public-access-card .card-body {
    padding: 1.5rem 0.5rem;
  }
}

.public-question-card {
  position: relative;
}

.public-question-card.question-correct {
  border-left: 4px solid #28a745;
}

.public-question-card.question-wrong {
  border-left: 4px solid #dc3545;
}

.public-question-card .card-body {
  padding-bottom: 3.5rem;
}

.public-question-note {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f7f9fc;
  color: #2a3447;
  font-size: 0.95rem;
}

.public-question-note-body {
  margin-top: 6px;
}

.public-question-image {
  display: flex;
  justify-content: center;
  margin-top: 12px;
  margin-bottom: 8px;
}

.public-question-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  background: #fff;
}

.preview-answer-note {
  grid-column: 2 / -1;
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f7f9fc;
  color: #2a3447;
  font-size: 0.9rem;
}

.preview-answer-note-body {
  margin-top: 4px;
}

.next-question-btn {
  position: absolute !important;
  bottom: 1rem !important;
  right: 1rem !important;
  padding: 0 !important;
  border: none !important;
  opacity: 0.5;
  transition: opacity 0.2s ease;
  z-index: 10;
}

.next-question-btn:hover {
  opacity: 1;
}

.public-access-logo {
  display: flex;
  justify-content: center;
  padding: 20px 24px 32px;
}

.public-access-logo img {
  height: 54px;
  width: auto;
  display: block;
}

.print-logo {
  display: none;
  justify-content: center;
  margin-bottom: 18px;
}

.print-logo img {
  height: 48px;
  width: auto;
  display: block;
}

@media print {
  @page {
    margin: 12mm;
  }

  .top-nav,
  .public-access-logo,
  .public-access-card .card-header,
  #publicAccessForm,
  #publicAccessError,
  #publicPrintResult {
    display: none !important;
  }

  .bg-orbit,
  .bg-grid {
    display: none !important;
  }

  .layout,
  #mainLayout {
    padding: 0 !important;
    margin: 0 !important;
  }

  #publicResultWrap {
    margin-top: 0 !important;
  }

  .print-logo {
    display: flex !important;
  }

  body {
    background: #ffffff;
  }

  .public-access-card,
  .public-access-card .card-body,
  #publicResultWrap .card,
  #publicResultWrap .card-body {
    box-shadow: none !important;
    border: none !important;
    background: transparent !important;
    padding: 0 !important;
  }
}

.top-nav .nav-user {
  align-self: center;
  color: var(--brand-primary);
  font-size: 0.85rem;
  font-weight: 600;
}

.top-nav .nav-link.active {
  border-color: var(--brand-primary);
}

.admin-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 24px var(--shadow);
  animation: rise 0.6s ease forwards;
}

.card-header h2 {
  margin: 0 0 6px;
}

.card-header p {
  margin: 0 0 18px;
  color: var(--muted);
}

.card-header {
  background: transparent;
  border: 0;
  padding: 0 0 16px;
}

.card-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.students-toolbar {
  align-items: center;
}

.students-title-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
}

.students-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-left: auto;
}

.students-toolbar-filters {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.students-toolbar-filters .filter-toggle {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.toolbar-field {
  gap: 4px;
  min-width: 220px;
}

.toolbar-field span {
  font-size: 0.8rem;
}

.toolbar-input {
  width: 88px;
  text-align: center;
}

.metric-value {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f3f6fb;
}

.metric-number {
  min-width: 44px;
  text-align: right;
  font-weight: 600;
  color: var(--text);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.toolbar-metric {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-search {
  position: relative;
  min-width: 220px;
  margin-left: auto;
}

.toolbar-search input {
  padding-left: 32px;
}

.toolbar-search i {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}

.compact-metric {
  display: flex;
  align-items: center;
  gap: 8px;
}

.students-toolbar-actions .btn {
  white-space: nowrap;
}

.exam-search {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.exam-search .field {
  min-width: 220px;
}

.template-controls {
  display: grid;
  gap: 16px;
  align-items: end;
}

.compact-controls {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.compact-row {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(220px, 1fr) auto;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
}

input {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fffaf4;
  font-size: 1rem;
}

.template-status {
  color: var(--brand-primary);
  font-weight: 600;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 20px;
}

.answers-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.answers-grid {
  display: grid;
  gap: 12px;
}

.answer-row {
  display: grid;
  grid-template-columns: 80px 1fr 80px 120px;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.answer-row.is-active {
  border-color: rgba(47, 95, 167, 0.6);
  box-shadow: 0 0 0 2px rgba(47, 95, 167, 0.12);
}

.answer-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--brand-primary);
}

.answer-label.is-clickable {
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.question-kind-badge {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--muted);
}

.question-kind-badge.is-single {
  border-color: rgba(47, 95, 167, 0.28);
  background: rgba(47, 95, 167, 0.12);
  color: #2f5fa7;
}

.question-kind-badge.is-multiple {
  border-color: rgba(214, 58, 44, 0.3);
  background: rgba(214, 58, 44, 0.12);
  color: #b83428;
}

.question-preview {
  display: grid;
  gap: 12px;
}

#publicResultWrap .question-preview {
  display: block;
}

#publicExamPreviewBody .question-preview,
#analysisPreviewBody .question-preview {
  display: block;
}

#publicResultWrap .question-preview p {
  margin: 0 0 12px;
}

#publicResultWrap .question-preview p:last-child {
  margin-bottom: 0;
}

.public-question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  position: relative;
  padding-top: 6px;
}

.public-question-header .selected-question-badge {
  position: static;
}

.question-score-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.75rem;
  font-weight: 700;
  background: #f8fafc;
  color: var(--muted);
}

.question-score-badge.is-correct {
  background: rgba(43, 111, 58, 0.12);
  border-color: rgba(43, 111, 58, 0.35);
  color: #2b6f3a;
}

.question-score-badge.is-override {
  background: rgba(47, 95, 167, 0.12);
  border-color: rgba(47, 95, 167, 0.35);
  color: #2f5fa7;
}

.public-question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.preview-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-badge-muted {
  padding: 4px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.answer-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.answer-score {
  font-weight: 700;
  text-align: center;
  display: inline-block;
  min-width: 1.6rem;
  font-size: 0.95rem;
}

.answer-score.score-correct {
  color: #0b6b3a;
}

.answer-score.score-wrong {
  color: #b02a37;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.override {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.75rem;
}

.override.is-disabled {
  opacity: 0.55;
}

.override-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  user-select: none;
}

.override-checkbox {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.override-checkbox:disabled {
  cursor: not-allowed;
}

.toggle {
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
}

.toggle.active {
  background: var(--brand-accent);
  color: #ffffff;
  border: 3px double #b12d24;
  font-weight: 700;
  transform: translateY(-1px);
}

.toggle.correct-hint:not(.active) {
  background: rgba(43, 111, 58, 0.1);
  color: #215032;
}

.toggle.active.correct-hint {
  background: #2b6f3a;
  color: #ffffff;
  border: 3px double #20572e;
  font-weight: 700;
}

.toggle.is-focused {
  outline: 2px solid rgba(47, 95, 167, 0.45);
  outline-offset: 2px;
}

.admin-topbar .btn.is-active {
  background: rgba(47, 95, 167, 0.12);
  border-color: rgba(47, 95, 167, 0.4);
  color: #2f5fa7;
}

.section-header .btn.is-active {
  background: rgba(47, 95, 167, 0.12);
  border-color: rgba(47, 95, 167, 0.4);
  color: #2f5fa7;
}

.actions,
.table-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.grading-status {
  font-weight: 600;
  color: var(--brand-primary);
  margin-bottom: 10px;
}

.grading-stats {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 14px;
}

.grading-controls {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  align-items: end;
  margin-bottom: 18px;
}

.public-access {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #f8fbff;
  margin-bottom: 18px;
}

.public-access-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.public-access-body {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: end;
  margin-top: 12px;
}

.public-access-body.is-disabled {
  opacity: 0.6;
  pointer-events: none;
}

.public-access-toggle .form-check-input {
  cursor: pointer;
}

.public-access-toggle-btn.is-active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #ffffff;
}

#publicAccessPassword.is-masked {
  color: var(--muted);
  letter-spacing: 0.2em;
}


.histogram-block {
  margin-bottom: 18px;
}

.histogram-title {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--muted);
}

.grade-histogram {
  display: grid;
  align-items: end;
  grid-template-columns: repeat(31, minmax(8px, 1fr));
  gap: 4px;
  height: 120px;
  padding: 8px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.grade-bar {
  width: 100%;
  background: #0d4a7c;
  border-radius: 4px 4px 0 0;
  position: relative;
}

.grade-bar span {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--muted);
}

.grade-bar-label {
  text-align: center;
  font-size: 0.6rem;
  color: var(--muted);
  margin-top: 2px;
}

.grading-factor {
  font-weight: 700;
  color: var(--teal);
}

.stat-card {
  background: #fff8ef;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
}

.stat-card strong {
  font-size: 1.2rem;
}

.table-wrap {
  overflow-x: auto;
}

.students-table {
  border-collapse: separate;
  border-spacing: 0 8px;
}

.students-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f5f7fb;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.students-table tbody tr {
  background: #ffffff;
  box-shadow: 0 6px 14px rgba(13, 31, 48, 0.06);
  border-radius: 12px;
  border-left: 4px solid #0d4a7c;
}

.students-table tbody tr td:first-child,
.students-table tbody tr th:first-child {
  border-top-left-radius: 12px;
  border-bottom-left-radius: 12px;
}

.students-table tbody tr td:last-child,
.students-table tbody tr th:last-child {
  border-top-right-radius: 12px;
  border-bottom-right-radius: 12px;
}

.students-table tbody td,
.students-table tbody th {
  padding: 12px 10px;
  vertical-align: middle;
  border-top: none;
}

.students-table tbody tr:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(13, 31, 48, 0.1);
}

.students-table .row-actions .btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.students-table .row-actions .btn i {
  font-size: 1.05rem;
}

.students-table .table-actions {
  display: inline-flex;
  gap: 6px;
}

.table-wrap .table {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  width: 100%;
}

.table-wrap .table thead th {
  background: #f3f6fb;
  color: #1f2933;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  white-space: nowrap;
}

.table-wrap .table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #eef2f7;
  vertical-align: middle;
}

.table-wrap .table tbody tr:nth-child(even) {
  background: #fbfcfe;
}

.table-wrap .table tbody tr:hover {
  background: #f0f6ff;
}

.table-wrap .table tbody tr:hover > td {
  background: #f0f6ff;
}

.table-wrap .table tbody tr:hover > td:first-child {
  box-shadow: inset 4px 0 0 #0b3a6f;
}

.table-wrap .table tbody tr:last-child td {
  border-bottom: 0;
}

.row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.student-progress {
  display: flex;
  align-items: center;
  gap: 8px;
}

.student-progress .progress {
  width: 120px;
  height: 8px;
  background: #e9edf3;
  border-radius: 999px;
}

.student-progress .progress-bar {
  background: #0b6b3a;
}

.row-actions .btn i {
  pointer-events: none;
}

.trace-progress {
  display: grid;
  gap: 6px;
  margin: 12px auto 18px;
  max-width: 980px;
  padding: 0 20px;
}

.trace-progress-text {
  font-size: 0.9rem;
  color: var(--muted);
}

.trace-progress-bar {
  height: 8px;
  background: #e9edf3;
  border-radius: 999px;
  overflow: hidden;
}

.trace-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #1d4ed8, #22c55e);
  transition: width 0.2s ease;
}

.mini {
  padding: 0;
  border: 0;
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 20px 10px 40px;
}

.answers-builder {
  display: grid;
  gap: 8px;
}

.answers-title {
  font-weight: 600;
  color: var(--muted);
}

.analysis-kpis {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.analysis-section.is-hidden {
  display: none;
}

.analysis-table td,
.analysis-table th {
  vertical-align: top;
}

.analysis-cdf-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 1.5rem 1rem;
}

.analysis-cdf-controls {
  display: flex;
  justify-content: flex-end;
  padding: 0 1.5rem 0.75rem;
}

.analysis-cdf-chart {
  padding: 0 1.5rem 1.5rem;
}

.analysis-cdf-chart canvas {
  width: 100%;
}

.modal-panel.modal-lg {
  max-width: 900px;
}

.analysis-accordion summary {
  cursor: pointer;
  list-style: none;
}

.analysis-accordion summary::-webkit-details-marker {
  display: none;
}

.analysis-accordion .accordion-toggle {
  margin-left: 12px;
  color: var(--ink-muted);
  transition: transform 0.2s ease;
}

.analysis-accordion[open] .accordion-toggle {
  transform: rotate(180deg);
}

.analysis-accordion-body {
  padding: 16px 20px 20px;
}

.analysis-question {
  max-width: 520px;
}

.answer-breakdown {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: #ffffff;
}

.answer-breakdown summary {
  cursor: pointer;
  list-style: none;
}

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

.answer-breakdown summary::after {
  content: \"▾\";
  float: right;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.answer-breakdown[open] summary::after {
  transform: rotate(180deg);
}

.answer-breakdown-body {
  margin-top: 10px;
}

.answer-breakdown-list {
  display: grid;
  gap: 8px;
}

.answer-breakdown-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f8fbff;
}

.answer-breakdown-item .answer-tick {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0b6b3a;
}

.answer-breakdown-item .answer-tick svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.answer-breakdown-text {
  flex: 1;
}

.answer-breakdown-percent {
  font-weight: 600;
  color: #0b3a6f;
  white-space: nowrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.pill-neutral {
  background: #f3f6fb;
  color: #334155;
  border-color: rgba(47, 95, 167, 0.2);
}

.pill-easy {
  background: rgba(43, 111, 58, 0.1);
  color: #2b6f3a;
  border-color: rgba(43, 111, 58, 0.2);
}

.pill-hard {
  background: rgba(214, 58, 44, 0.12);
  color: var(--brand-accent);
  border-color: rgba(214, 58, 44, 0.2);
}

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
  font-size: 1.1rem;
  color: var(--ink);
}

.empty-state-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.empty-state strong {
  font-weight: 700;
}

.exam-section.is-hidden {
  display: none;
}

.answer-builder {
  display: grid;
  grid-template-columns: 24px minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.answer-builder-admin {
  display: grid;
  grid-template-columns: 24px minmax(200px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
}

.answer-builder-admin .form-check-input {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  padding: 0;
  margin: 0;
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  border: 2px solid var(--line);
  background-color: #ffffff;
  appearance: none;
  display: block;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.answer-builder-admin .form-check-input:checked {
  border-color: #2b6f3a;
  background-color: #2b6f3a;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3 3 7-7' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 10px;
}

.answer-builder-admin .btn.is-active {
  border-color: rgba(47, 95, 167, 0.55);
  color: #2f5fa7;
  background: rgba(47, 95, 167, 0.08);
}

.btn-image-selected {
  background: rgba(47, 95, 167, 0.12);
  border-color: rgba(47, 95, 167, 0.4);
  color: #2f5fa7;
}

.btn-image-selected:hover {
  background: rgba(47, 95, 167, 0.18);
  border-color: rgba(47, 95, 167, 0.5);
  color: #2f5fa7;
}

.btn-icon {
  padding: 6px 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon svg {
  width: 14px;
  height: 14px;
  fill: #ffffff;
}

.admin-question-block {
  margin-bottom: 24px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #ffffff;
  box-shadow: 0 16px 28px rgba(13, 31, 48, 0.08);
}

.admin-question-status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  display: none;
  font-weight: 600;
}

.admin-question-status.is-visible {
  display: block;
}

.admin-question-status.is-error {
  background: rgba(214, 58, 44, 0.12);
  border-color: rgba(214, 58, 44, 0.35);
  color: var(--brand-accent);
}

.admin-question-status.is-success {
  background: rgba(43, 111, 58, 0.12);
  border-color: rgba(43, 111, 58, 0.35);
  color: #2b6f3a;
}

.admin-question-status.is-info {
  background: rgba(47, 95, 167, 0.08);
  border-color: rgba(47, 95, 167, 0.2);
  color: #2f5fa7;
}

.admin-question-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.admin-question-block .grid {
  gap: 14px;
}

.admin-question-block .field span,
.admin-question-block .section-label {
  color: var(--muted);
}

.field-inline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.field-inline .field-label {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
  min-width: 120px;
}

.admin-question-block .form-control,
.admin-question-block .form-select,
.admin-question-block textarea {
  background: #f7f9fc;
  border-color: #e1e6ee;
  border-radius: 12px;
}

.admin-question-block .form-control:focus,
.admin-question-block .form-select:focus,
.admin-question-block textarea:focus {
  border-color: rgba(11, 107, 58, 0.35);
  box-shadow: 0 0 0 0.18rem rgba(11, 107, 58, 0.15);
}

.admin-question-block .toolbar {
  margin-top: 10px;
}

.admin-question-block .layout-fields {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px dashed var(--line);
  background: #fbfdff;
}

.admin-question-block .answers-builder {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #f8fbff;
}

.admin-question-block .answers-title {
  color: var(--ink);
  font-weight: 600;
}

.mini-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0 8px;
  flex-wrap: wrap;
}

.mini-step {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
}

.mini-step.is-active {
  color: #0b6b3a;
  border-color: rgba(11, 107, 58, 0.2);
  background: rgba(11, 107, 58, 0.08);
}

.mini-step-sep {
  flex: 1;
  height: 1px;
  background: var(--line);
  min-width: 20px;
}

.section-label {
  margin: 10px 0 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-divider {
  height: 1px;
  background: var(--line);
  margin: 14px 0;
}

.answers-actions {
  display: flex;
  justify-content: flex-end;
  margin: 6px 0 4px;
}

.topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  margin-top: 6px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f8fafc;
  min-height: 48px;
}

.topic-pill {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.topic-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(13, 31, 48, 0.08);
  border-color: rgba(47, 95, 167, 0.35);
}

.topic-pill.is-selected {
  background: rgba(47, 95, 167, 0.12);
  color: #2f5fa7;
  border-color: rgba(47, 95, 167, 0.3);
}

.radio-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(13, 31, 48, 0.08);
  border-color: rgba(47, 95, 167, 0.35);
}

.radio-pill.is-selected {
  background: rgba(47, 95, 167, 0.12);
  color: #2f5fa7;
  border-color: rgba(47, 95, 167, 0.3);
}

.radio-pill.is-selected span::before {
  content: "✓";
  margin-right: 6px;
  color: #2f5fa7;
  font-weight: 700;
}

.admin-course-picker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.admin-course-picker .form-select {
  min-width: 220px;
}

.admin-course-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.admin-question-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 24px;
  align-items: start;
}

.admin-preview-card {
  position: sticky;
  top: 120px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: #ffffff;
  box-shadow: 0 12px 24px rgba(13, 31, 48, 0.08);
}

.questions-topbar {
  position: sticky;
  top: 12px;
  z-index: 20;
}

.questions-page .grading-topbar {
  margin-bottom: 6px;
}

.questions-page .admin-question-layout {
  margin-top: 4px;
}

.questions-page .admin-question-layout {
  grid-template-columns: minmax(0, 1.8fr) minmax(320px, 1fr);
}

.questions-page .admin-preview-card {
  top: 96px;
  max-height: calc(100vh - 140px);
  overflow: auto;
}

.questions-page .admin-question-block {
  min-height: 60vh;
}

.preview-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.preview-toolbar .btn {
  white-space: nowrap;
}

.admin-accordion {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 12px;
  background: #ffffff;
  margin-bottom: 10px;
}

.admin-accordion.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.editor-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.admin-accordion summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}

.admin-accordion summary .accordion-title {
  margin-right: 8px;
}

.admin-accordion summary .accordion-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: auto;
  cursor: pointer;
}

.bank-filters summary {
  gap: 12px;
}

.bank-search-inline {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 280px;
}

.bank-search-inline .field {
  margin: 0;
}

.bank-search-inline .form-control {
  height: 32px;
  padding: 6px 10px;
}

.admin-accordion summary .accordion-toggle .form-check-input {
  margin: 0;
  cursor: pointer;
  width: 18px;
  height: 18px;
  aspect-ratio: 1 / 1;
  min-width: 18px;
  min-height: 18px;
  padding: 0;
  box-sizing: border-box;
  border-radius: 4px;
  border: 2px solid var(--line);
  background-color: #ffffff;
  appearance: none;
  display: block;
  vertical-align: middle;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.admin-accordion summary .accordion-toggle .form-check-input:checked {
  border-color: #2b6f3a;
  background-color: #2b6f3a;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3 3 7-7' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 10px;
}

.admin-accordion summary::-webkit-details-marker {
  display: none;
}

.admin-accordion summary i {
  color: var(--muted);
  transition: transform 0.2s ease;
}

.admin-accordion[open] summary i {
  transform: rotate(180deg);
}

.admin-accordion-body {
  margin-top: 10px;
}

.latex-preview-block {
  min-height: 120px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  font-size: 0.95rem;
}

.preview-image {
  margin: 12px 0;
  border-radius: 12px;
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: #ffffff;
}

.preview-image img {
  width: min(70%, 360px);
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.preview-image-meta {
  font-size: 0.9rem;
  color: var(--muted);
  word-break: break-word;
}

.preview-image-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 14px;
  align-items: start;
}

.layout-controls {
  display: grid;
  gap: 16px;
}

.field-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.field-hint {
  color: var(--muted);
  font-size: 0.85rem;
}

.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.layout-preview {
  display: flex;
  width: 100%;
  height: 24px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f5f7fb;
  margin-bottom: 10px;
}

.layout-preview-image {
  background: linear-gradient(120deg, rgba(11, 107, 58, 0.35), rgba(11, 107, 58, 0.15));
  transition: width 0.2s ease;
}

.layout-preview-text {
  background: linear-gradient(120deg, rgba(15, 76, 129, 0.35), rgba(15, 76, 129, 0.12));
  transition: width 0.2s ease;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px 18px;
}

.preview-answer-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.preview-answer-row {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 8px;
  align-items: start;
  padding: 8px 10px;
  border-radius: 10px;
  background: #f8fbff;
}

.preview-answer-row.is-selected {
  border: 1px solid rgba(15, 76, 129, 0.35);
  background: rgba(15, 76, 129, 0.08);
}

.preview-answer-row.is-selected.is-correct {
  border-color: rgba(11, 107, 58, 0.35);
  background: rgba(11, 107, 58, 0.12);
}

.preview-answer-row.is-selected:not(.is-correct) {
  border-color: rgba(176, 42, 55, 0.35);
  background: rgba(176, 42, 55, 0.12);
}

.preview-answer-label {
  font-weight: 600;
  color: var(--muted);
}

.preview-answer-text {
  color: var(--ink);
}

.admin-topbar .builder-current-title {
  font-weight: 700;
}

.admin-topbar .chip {
  font-size: 0.75rem;
  padding: 4px 10px;
}

.admin-topbar .builder-topbar-right {
  gap: 10px;
}

.admin-topbar .btn {
  white-space: nowrap;
}

.latex-preview {
  min-height: 320px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
}

.preview-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr);
  gap: 12px;
}

.latex-preview-inline {
  min-height: 44px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  font-size: 0.95rem;
}

.input-error {
  border-color: #b02a37 !important;
  box-shadow: 0 0 0 0.15rem rgba(176, 42, 55, 0.15);
}

.latex-log {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #f8fafc;
}

.latex-log summary {
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 600;
}

.latex-log pre {
  margin: 10px 0 0;
  white-space: pre-wrap;
  font-size: 0.8rem;
  color: var(--ink);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 14px;
}

.inline-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.is-disabled {
  background: #eef1f5 !important;
  color: #98a0aa;
}

.list-panel {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.question-bank-card .list-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.question-bank-card .list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.question-bank-card .chip {
  padding: 4px 10px;
  font-size: 0.75rem;
  box-shadow: none;
}

.exam-grid {
  margin-top: 16px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.user-grid {
  margin-top: 16px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.exam-card {
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #ffffff;
  overflow: hidden;
  display: grid;
  gap: 10px;
  box-shadow: 0 12px 24px var(--shadow);
}

.exam-card.is-active {
  border-color: rgba(13, 74, 124, 0.6);
  box-shadow: 0 18px 32px rgba(13, 74, 124, 0.2);
}

.exam-card.is-active .exam-card-band {
  background: linear-gradient(135deg, rgba(13, 74, 124, 0.2), rgba(13, 74, 124, 0.5));
}

.exam-card-band {
  min-height: 72px;
  background: linear-gradient(135deg, rgba(13, 74, 124, 0.12), rgba(13, 74, 124, 0.38));
  display: flex;
  align-items: flex-end;
  padding: 10px 12px;
}

.exam-card-body {
  padding: 16px;
  display: grid;
  gap: 8px;
}

.exam-card-title {
  font-weight: 700;
  font-size: 1rem;
}

.exam-card-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.exam-card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  width: fit-content;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.exam-card-status.is-locked {
  border-color: rgba(214, 58, 44, 0.35);
  color: var(--brand-accent);
  background: rgba(214, 58, 44, 0.12);
}

.exam-card-status.is-draft {
  border-color: rgba(43, 111, 58, 0.35);
  color: #2b6f3a;
  background: rgba(43, 111, 58, 0.12);
}

.exam-card-status.is-graded {
  border-color: rgba(47, 95, 167, 0.4);
  color: #2f5fa7;
  background: rgba(47, 95, 167, 0.12);
}

.exam-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 0 16px 16px;
}

.exam-card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.exam-card-badge {
  font-size: 0.7rem;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(47, 95, 167, 0.2);
  color: #2f5fa7;
  font-weight: 700;
}

.exam-card-badge.is-access {
  background: #ecfdf3;
  border-color: rgba(43, 111, 58, 0.3);
  color: #2b6f3a;
}

.list-item {
  border: 1px solid #d7dee7;
  border-radius: 12px;
  padding: 0;
  background: #ffffff;
  display: grid;
  gap: 10px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.question-bank-card .question-card-content,
.list-item .question-card-content {
  padding: 14px 16px;
  display: grid;
  gap: 10px;
}

.question-card-band {
  min-height: 54px;
  background: linear-gradient(135deg, rgba(47, 95, 167, 0.08), rgba(47, 95, 167, 0.28));
  display: flex;
  align-items: flex-end;
  padding: 8px 12px;
}

.list-item-title {
  font-weight: 700;
  color: var(--accent-dark);
}

.list-item-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.list-item.is-selected {
  border-color: rgba(47, 95, 167, 0.45);
  box-shadow: 0 0 0 2px rgba(47, 95, 167, 0.08);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 14px;
}

.shortcut-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin: 6px 0 6px;
}

.shortcut-toolbar .btn {
  align-self: center;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.shortcut-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.chip-action {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
}

.chip-action.active {
  border-color: var(--brand-primary);
  background: rgba(47, 95, 167, 0.08);
  color: var(--brand-primary);
}

.chip-action:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.list-title {
  font-weight: 600;
}

.list-meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 95, 167, 0.12);
  border: 1px solid rgba(47, 95, 167, 0.25);
  color: #2f5fa7;
  font-weight: 700;
  font-size: 0.75rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.75rem;
  border: 1px solid transparent;
}

.status-badge.is-success {
  background: rgba(47, 95, 167, 0.12);
  border-color: rgba(47, 95, 167, 0.2);
  color: var(--brand-primary);
}

.status-badge.is-danger {
  background: rgba(214, 58, 44, 0.12);
  border-color: rgba(214, 58, 44, 0.2);
  color: var(--brand-accent);
}

.status-badge.is-warning {
  background: rgba(242, 194, 48, 0.18);
  border-color: rgba(242, 194, 48, 0.3);
  color: #8a6b00;
}

.result-score {
  display: flex;
  align-items: center;
  gap: 8px;
}

.inline-field {
  display: flex;
  align-items: center;
  gap: 10px;
}

.inline-field .field-label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}

.inline-field .form-select {
  min-width: 220px;
}

.list-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.image-bank {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.image-bank-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #ffffff;
}

.image-bank-item img {
  width: 120px;
  height: 90px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #ffffff;
}

.image-bank-info {
  display: grid;
  gap: 6px;
}

.image-bank-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.image-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: #ffffff;
  align-items: center;
}

.image-thumb {
  width: 120px;
  height: 90px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f8fafc;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.image-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.image-thumb-fallback {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.image-details {
  display: grid;
  gap: 6px;
}

.image-meta {
  font-size: 0.8rem;
  color: var(--muted);
}

.layout-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.is-hidden {
  display: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 24, 38, 0.45);
  z-index: 40;
}

.modal-panel {
  position: fixed;
  top: 8vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(920px, 92vw);
  max-height: 84vh;
  background: #ffffff;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(8, 32, 48, 0.2);
  z-index: 41;
  display: grid;
  grid-template-rows: auto 1fr;
}

.modal-backdrop.is-hidden,
.modal-panel.is-hidden {
  display: none;
}

#examPreviewModal.is-hover-preview {
  z-index: 75;
  top: 10vh;
  width: min(860px, 88vw);
  pointer-events: none;
}

#builderImagePickerBackdrop,
#imagePickerBackdrop,
#builderImagePreviewBackdrop,
#imagePreviewBackdrop {
  z-index: 70;
}

#builderImagePickerModal,
#imagePickerModal,
#builderImagePreviewModal,
#imagePreviewModal {
  z-index: 71;
}

.toast-notify {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 12px 16px;
  background: var(--brand-primary);
  color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 14px 28px rgba(13, 31, 48, 0.2);
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 60;
}

.toast-notify.show {
  opacity: 1;
  transform: translateY(0);
}

.toast-notify.is-error {
  background: var(--brand-accent);
}

.toast-notify.is-success {
  background: #2b6f3a;
}

.toast-notify.is-loading {
  background: var(--brand-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-notify.is-loading i {
  font-size: 1.1rem;
}

.btn.is-loading {
  position: relative;
  pointer-events: none;
  padding-right: 36px;
}

.btn.is-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 12px;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: spin 0.8s linear infinite;
}

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

.keyboard-shortcuts-hint {
  position: fixed;
  right: 24px;
  bottom: 24px;
  padding: 16px;
  background: rgba(13, 31, 48, 0.95);
  backdrop-filter: blur(8px);
  color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 14px 28px rgba(13, 31, 48, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 65;
  min-width: 200px;
  max-width: 300px;
}

.keyboard-shortcuts-hint:not(.is-hidden) {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.keyboard-shortcuts-title {
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#keyboardShortcutsList {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.keyboard-shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
}

.keyboard-shortcut-key {
  background: rgba(255, 255, 255, 0.15);
  padding: 4px 8px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.keyboard-shortcut-label {
  flex: 1;
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 24, 38, 0.45);
  z-index: 45;
}

.settings-drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(420px, 92vw);
  background: #ffffff;
  border-left: 1px solid var(--line);
  box-shadow: -20px 0 40px rgba(13, 31, 48, 0.15);
  z-index: 46;
  display: grid;
  grid-template-rows: auto 1fr;
}

.settings-drawer.is-hidden,
.drawer-backdrop.is-hidden {
  display: none;
}

.settings-header {
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-body {
  padding: 16px 20px 20px;
  overflow-y: auto;
  display: grid;
  gap: 12px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
}

.modal-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.modal-body {
  padding: 16px 20px 20px;
  overflow-y: auto;
}

.modal-bank {
  margin-top: 12px;
}

.image-preview {
  display: grid;
  place-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
}

.image-preview img {
  max-width: 100%;
  max-height: 62vh;
  object-fit: contain;
}

.image-preview-meta {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.pdf-preview {
  height: 70vh;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #f8fafc;
}

.pdf-preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .hero {
    padding: 36px 6vw 18px;
  }

  .builder-topbar {
    position: static;
  }

  .bank-columns {
    grid-template-columns: 1fr;
  }

  .stepper {
    border-radius: 16px;
  }

  .answer-row {
    grid-template-columns: 1fr;
  }

  .answer-builder {
    grid-template-columns: 1fr;
  }

  .answer-builder-admin {
    grid-template-columns: 1fr;
  }

  .preview-row {
    grid-template-columns: 1fr;
  }

  .admin-question-layout {
    grid-template-columns: 1fr;
  }

  .admin-preview-card {
    position: static;
  }

  .preview-image {
    flex-direction: column;
    align-items: flex-start;
  }

  .preview-image img {
    width: 100%;
    max-width: 100%;
  }

  .inline-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .image-item {
    grid-template-columns: 1fr;
  }

  .image-thumb {
    width: 100%;
    height: 140px;
  }
}