:root {
  --royal: #0d2a54;
  --royal-deep: #081c38;
  --gold: #c9a13b;
  --gold-soft: #e8d5a3;
  --white: #fff;
  --paper: #f8f6f1;
  --ink: #1a1a2e;

  --muted: #5f6475;
  --line: #d7dbe6;
  --line-strong: #b8c1d3;
  --success: #2f8a57;
  --warn: #d28a14;
  --danger: #b93b3b;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 3px 12px rgba(8, 28, 56, 0.08);
  --shadow-md: 0 8px 24px rgba(8, 28, 56, 0.12);
  --focus-ring: 0 0 0 3px rgba(201, 161, 59, 0.32);
}

/* 1) Reset + box sizing */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--royal-deep);
  font-family: Georgia, "Palatino Linotype", Palatino, "Book Antiqua", serif;
  font-weight: 700;
  line-height: 1.18;
}

img,
svg,
video,
canvas {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

/* Base primitives */
.container {
  margin-inline: auto;
  max-width: 1200px;
  padding-inline: 1rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.section-title {
  margin-bottom: 0.875rem;
  font-size: 1.1rem;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Inputs and buttons */
.input,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  padding: 0.7rem 0.8rem;
}

.input:focus,
input:focus,
select:focus,
textarea:focus {
  border-color: var(--gold);
  box-shadow: var(--focus-ring);
  outline: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 44px; /* 7) touch-friendly controls */
  padding: 0.625rem 1rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--royal);
  color: var(--white);
  cursor: pointer;
  font-weight: 600;
  line-height: 1.1;
  transition: transform 0.15s ease, filter 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  filter: brightness(1.05);
}

.btn:active {
  transform: translateY(1px);
}

.btn:focus-visible {
  box-shadow: var(--focus-ring);
  outline: none;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.btn-secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--royal);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--royal);
}

.btn-gold {
  background: var(--gold);
  color: var(--royal-deep);
}

.btn-danger {
  background: var(--danger);
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--gold);
  color: var(--royal-deep);
  box-shadow: 0 3px 10px rgba(201, 161, 59, 0.28);
}

.btn-sm {
  min-height: 38px;
  padding: 0.45rem 0.85rem;
  font-size: 0.84rem;
}

.btn-dark {
  background: var(--royal-deep);
  color: var(--white);
}

/* App page content */
.page-content {
  max-width: 100%;
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-content h1 {
  font-size: 1.75rem;
  margin-bottom: 0.35rem;
}

.page-content .lead {
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.section-heading {
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
  font-size: 1.15rem;
  color: var(--royal-deep);
  margin: 1.75rem 0 1rem;
  font-weight: 700;
}

.hint-inline {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.85rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-content .card {
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.25rem;
}

.page-content .card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.65rem;
}

.alert {
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.alert-success {
  background: color-mix(in oklab, var(--success) 12%, var(--white));
  border: 1px solid color-mix(in oklab, var(--success) 35%, var(--line));
  color: color-mix(in oklab, var(--success) 75%, black);
}

.alert-error {
  background: color-mix(in oklab, var(--danger) 10%, var(--white));
  border: 1px solid color-mix(in oklab, var(--danger) 35%, var(--line));
  color: color-mix(in oklab, var(--danger) 75%, black);
}

.billing-note {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.stats-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
}

.stat-value {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--royal);
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
}

/* Site admin panel */
.page-admin .admin-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-admin .admin-header h1 {
  margin-bottom: 0.35rem;
}

.admin-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin-bottom: 1.25rem;
}

.admin-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.5rem;
}

.admin-tab {
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.admin-tab.active,
.admin-tab:hover {
  color: var(--royal);
  background: rgba(26, 74, 138, 0.08);
}

.admin-panel-title {
  font-size: 1.15rem;
  margin: 0 0 0.35rem;
}

.admin-panel-lead {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

.admin-subtitle {
  font-size: 1rem;
  margin: 1.5rem 0 0.65rem;
  color: var(--royal-deep);
}

.admin-stats-traffic {
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
}

.admin-traffic-filters {
  margin: 1rem 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #f8fafc;
}

.admin-traffic-filters-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-bottom: 12px;
}

.admin-filter-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  cursor: pointer;
}

.admin-filter-ips {
  display: block;
}

.admin-filter-ips-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.admin-filter-ips-input {
  width: 100%;
  max-width: 360px;
  min-height: 4.5rem;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 0.85rem;
  resize: vertical;
}

.admin-table-compact th,
.admin-table-compact td {
  padding: 0.5rem 0.65rem;
  font-size: 0.88rem;
}

.admin-table-traffic {
  font-size: 0.82rem;
}

.admin-table-traffic th,
.admin-table-traffic td {
  padding: 0.55rem 0.6rem;
  vertical-align: top;
}

.admin-action-cell {
  max-width: 220px;
}

.admin-action-cell code {
  display: block;
  margin-bottom: 0.15rem;
}

.admin-uri {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
  word-break: break-all;
  line-height: 1.35;
}

.admin-table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.admin-table th,
.admin-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.admin-table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: #f8f9fc;
  white-space: nowrap;
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

.admin-user-cell {
  min-width: 10rem;
}

.admin-user-cell strong {
  display: block;
}

.admin-email {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.15rem;
  word-break: break-all;
}

.admin-mono {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.8rem;
}

.admin-errors {
  font-size: 0.8rem;
  max-width: 150px;
  line-height: 1.35;
  color: #8a3b3b;
}

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

.admin-credit-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  min-width: 12rem;
}

.admin-credit-input {
  width: 4.2rem;
  padding: 0.35rem 0.45rem;
  font-size: 0.85rem;
}

.admin-note-input {
  width: 6.5rem;
  padding: 0.35rem 0.45rem;
  font-size: 0.85rem;
}

.admin-hint {
  margin-top: 0.75rem;
  font-size: 0.85rem;
}

.recent-list {
  list-style: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.recent-list li {
  border-bottom: 1px solid var(--line);
}

.recent-list li:last-child {
  border-bottom: none;
}

.recent-list a {
  display: block;
  padding: 0.85rem 1rem;
  color: var(--royal);
  font-size: 0.92rem;
}

.recent-list a:hover {
  background: color-mix(in oklab, var(--gold-soft) 25%, var(--white));
}

.paper-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.paper-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
}

.paper-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.paper-sub,
.paper-date {
  color: var(--muted);
  font-size: 0.88rem;
}

.paper-score {
  font-weight: 700;
  color: var(--royal);
  margin: 0.35rem 0;
}

.plan-grid,
.plans-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

/* 2) App shell - sidebar + main pane */
body.page-app {
  display: flex;
  min-height: 100vh;
  background: var(--paper);
}

body.guest-mark {
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body.guest-mark > .page-mark {
  flex: 1;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 60;
  width: 260px;
  padding: 1.1rem 0.85rem;
  background: linear-gradient(180deg, var(--royal) 0%, var(--royal-deep) 100%);
  color: var(--white);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transition: transform 0.22s ease;
}

/* Logged-in: sidebar always visible from tablet up */
body.page-logged-in .sidebar {
  transform: translateX(0) !important;
  visibility: visible !important;
}

body.page-logged-in .app-main {
  flex: 1;
  min-width: 0;
  margin-left: 260px !important;
  padding: 1.5rem 1.75rem 1.25rem;
  width: auto;
  max-width: calc(100vw - 260px);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.page-logged-in .sidebar-toggle,
body.page-logged-in .sidebar-backdrop {
  display: none !important;
}

/* Mobile: slide-over sidebar (see also rules at end of file) */

/* Guests on app pages (shouldn't happen often) - hidden sidebar */
body.page-app:not(.page-logged-in) .sidebar {
  transform: translateX(-102%);
  transition: transform 0.22s ease;
}

body.page-app:not(.page-logged-in) .sidebar.open {
  transform: translateX(0);
}

body.page-app:not(.page-logged-in) .app-main {
  margin-left: 0;
  padding: 4.2rem 1rem 1.25rem;
  width: 100%;
}

.sidebar.open {
  transform: translateX(0);
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(8, 28, 56, 0.52);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.sidebar-backdrop.show,
body.sidebar-open .sidebar-backdrop {
  opacity: 1;
  visibility: visible;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.5rem;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
}

.sidebar-brand .logo {
  color: var(--gold-soft);
  font-size: 1.35rem;
}

.sidebar-brand strong {
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.sidebar-nav {
  display: grid;
  gap: 0.35rem;
}

.sidebar-link,
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
  color: rgba(255, 255, 255, 0.9);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
}

.sidebar-link:hover,
.sidebar-link.active,
.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.nav-item.subtle {
  opacity: 0.85;
  font-size: 0.86rem;
}

.sidebar-brand .owl {
  font-size: 1.6rem;
  line-height: 1;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.35));
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}

.brand-name b {
  color: var(--gold-soft);
}

.brand-tag {
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin-top: 2px;
}

.brand-assoc {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0.35rem 0 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.4;
  letter-spacing: normal;
  text-transform: none;
}

.brand-assoc a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.suite-link {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  margin: 0.75rem 0.5rem 1rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.4;
}

.suite-link a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sidebar-foot {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 0.35rem;
}

.user-chip {
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 0.25rem;
}

.user-name {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
}

.user-credits {
  display: block;
  font-size: 0.78rem;
  color: var(--gold-soft);
  margin-top: 0.15rem;
}

.sidebar-toggle {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 70;
  min-height: 44px;
  min-width: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: var(--royal);
  color: var(--white);
}

body.page-app .app-main {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.app-main {
  width: 100%;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.page-header h1 {
  text-align: left;
  font-size: 1.75rem;
  margin: 0;
  color: var(--royal-deep);
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
}

/* Marking tool embedded in app shell (logged-in) */
body.page-marking-embedded .page-mark {
  background: transparent;
  min-height: auto;
  font-family: inherit;
  flex: 1 0 auto;
}

body.page-marking-embedded .page-mark .mark-header-brand,
body.page-marking-embedded .page-mark .mark-footer {
  display: none;
}

body.page-marking-embedded .page-mark .mark-toolbar.mark-header {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  position: static;
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-sm);
}

body.page-marking-embedded .page-mark #model-select {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
}

body.page-marking-embedded .page-mark .credit-badge {
  color: var(--royal);
}

body.page-marking-embedded .page-mark .mark-toolbar .btn-ghost {
  background: var(--paper);
  border-color: var(--line);
  color: var(--royal);
}

body.page-marking-embedded .page-mark .mark-main {
  max-width: none;
  padding: 0;
  margin: 0;
}

body.page-marking-embedded .page-mark .hero h1 {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
}

.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--muted);
  text-align: center;
  padding: 2rem 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.empty-state a {
  color: var(--royal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 3) Auth page styles */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: radial-gradient(circle at 20% 0, rgba(201, 161, 59, 0.2), transparent 45%), var(--paper);
}

.auth-card {
  width: min(100%, 460px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
}

.auth-brand {
  text-align: center;
  margin-bottom: 1rem;
}

.auth-brand .mark {
  color: var(--gold);
  font-size: 1.65rem;
  margin-bottom: 0.4rem;
}

.auth-brand h1 {
  font-size: 1.65rem;
}

.auth-brand .sub {
  color: var(--muted);
  margin-top: 0.35rem;
}

.auth-form {
  display: grid;
  gap: 0.75rem;
}

.password-field {
  position: relative;
}

.password-field input {
  padding-right: 2.85rem;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.password-toggle:hover,
.password-toggle:focus-visible {
  color: var(--royal);
  background: rgba(27, 48, 72, 0.06);
  outline: none;
}

.password-eye {
  display: block;
  flex-shrink: 0;
}

.password-eye[hidden] {
  display: none;
}

.auth-row {
  display: grid;
  gap: 0.35rem;
}

.auth-row label {
  color: var(--royal-deep);
  font-weight: 600;
  font-size: 0.9rem;
}

.auth-help {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 0.45rem;
}

.btn-google {
  width: 100%;
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.btn-google .google-dot {
  font-weight: 700;
  color: #4285f4;
}

/* 4) Marking UI styles */
.marking-layout {
  display: grid;
  gap: 1rem;
}

.marking-main {
  display: grid;
  gap: 1rem;
}

.sheet-meta {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  padding: 1rem;
}

.meta-field {
  display: grid;
  gap: 0.3rem;
}

.meta-field label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted);
  font-weight: 700;
}

.upload-grid {
  display: grid;
  gap: 0.75rem;
}

.upload-card {
  position: relative;
  border: 2px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 1rem;
  min-height: 180px;
  display: grid;
  place-content: center;
  text-align: center;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.upload-card:hover,
.upload-card.drag-over {
  border-color: var(--gold);
  background: color-mix(in oklab, var(--gold-soft) 32%, var(--white));
}

.upload-card.has-file {
  border-style: solid;
  border-color: var(--success);
}

.upload-card input[type="file"] {
  position: absolute;
  inset: 0;
  cursor: pointer;
  opacity: 0;
}

.upload-card .icon {
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.upload-card h3 {
  font-size: 1.1rem;
}

.upload-card p {
  color: var(--muted);
  margin-top: 0.35rem;
  font-size: 0.92rem;
}

.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.6rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--success) 16%, var(--white));
  color: color-mix(in oklab, var(--success) 80%, black);
  font-size: 0.8rem;
}

.context-card {
  padding: 1rem;
}

.context-card textarea {
  min-height: 90px;
  resize: vertical;
}

.marking-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.9rem 1rem;
}

.total-badge {
  border-radius: 999px;
  background: var(--royal);
  color: var(--white);
  padding: 0.5rem 0.9rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.qcards {
  display: grid;
  gap: 0.85rem;
}

.qcard {
  border: 1px solid var(--line);
  border-left: 4px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 0.85rem;
  box-shadow: var(--shadow-sm);
}

.qcard.flag-high {
  border-left-color: var(--success);
}

.qcard.flag-med {
  border-left-color: var(--warn);
}

.qcard.flag-low {
  border-left-color: var(--danger);
}

.qhead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.qnum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 0.65rem;
  background: var(--royal-deep);
  color: var(--gold-soft);
  font-size: 0.78rem;
  font-weight: 700;
}

.qprompt {
  color: var(--muted);
  font-size: 0.93rem;
  margin-bottom: 0.7rem;
}

.qbody {
  display: grid;
  gap: 0.7rem;
}

.answer-block {
  display: grid;
  gap: 0.3rem;
}

.answer-block label {
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 700;
}

.answer-content {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.7rem;
  background: #fcfcfe;
}

.answer-content.expected {
  background: color-mix(in oklab, var(--gold-soft) 40%, var(--white));
}

.answer-content.feedback {
  border-color: color-mix(in oklab, var(--gold) 35%, var(--line));
  background: color-mix(in oklab, var(--gold-soft) 28%, var(--white));
}

.score-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  padding: 0.35rem 0.55rem;
}

.score-wrap input {
  width: 3rem;
  text-align: center;
  border: none;
  background: transparent;
  color: var(--royal);
  font-size: 1.08rem;
  font-weight: 700;
  padding: 0.1rem 0;
}

.score-wrap input:focus {
  box-shadow: none;
}

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

.confidence-flag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
}

.confidence-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--line-strong);
}

.confidence-flag.high {
  color: var(--success);
}

.confidence-flag.high .confidence-dot {
  background: var(--success);
}

.confidence-flag.medium {
  color: var(--warn);
}

.confidence-flag.medium .confidence-dot {
  background: var(--warn);
}

.confidence-flag.low {
  color: var(--danger);
}

.confidence-flag.low .confidence-dot {
  background: var(--danger);
}

.voice-panel {
  align-self: start;
  position: static;
  padding: 1rem;
}

.voice-panel h3 {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

.voice-panel .sub {
  color: var(--muted);
  margin-bottom: 0.7rem;
}

.voice-transcript {
  min-height: 90px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  padding: 0.7rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0.7rem;
}

.voice-btn.recording,
.btn.recording {
  background: var(--danger);
  animation: pulse-record 1.2s ease-in-out infinite;
}

@keyframes pulse-record {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(185, 59, 59, 0.38);
  }
  50% {
    box-shadow: 0 0 0 11px rgba(185, 59, 59, 0);
  }
}

.no-speech {
  margin-top: 0.65rem;
  border: 1px solid color-mix(in oklab, var(--warn) 45%, var(--line));
  background: color-mix(in oklab, var(--gold-soft) 38%, var(--white));
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.7rem;
  color: color-mix(in oklab, var(--warn) 80%, #1d1d1d);
}

.toast {
  position: fixed;
  left: 50%;
  top: 1rem;
  bottom: auto;
  transform: translate(-50%, -140%);
  z-index: 300;
  max-width: calc(100vw - 2rem);
  border-radius: 10px;
  background: var(--royal-deep);
  color: var(--white);
  border-left: 4px solid var(--gold);
  padding: 0.7rem 0.9rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.22s ease;
}

.toast.show {
  transform: translate(-50%, 0);
}

.toast.error,
.toast.err {
  border-left-color: var(--danger);
}

/* 5) Stub pages, dashboard, papers grid, billing plan cards */
.page-stub {
  max-width: 760px;
  margin-inline: auto;
  padding: 1rem;
}

.stub-card {
  padding: 1rem;
}

.stub-card h2 {
  margin-bottom: 0.4rem;
}

.dashboard-grid {
  display: grid;
  gap: 0.85rem;
}

.stat-card {
  padding: 0.95rem;
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 700;
}

.stat-card .value {
  margin-top: 0.35rem;
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
  font-size: 1.7rem;
  color: var(--royal);
}

.papers-grid {
  display: grid;
  gap: 0.85rem;
}

.paper-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.paper-meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.paper-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.paper-status.graded {
  background: color-mix(in oklab, var(--success) 15%, var(--white));
  color: color-mix(in oklab, var(--success) 78%, black);
}

.paper-status.pending {
  background: color-mix(in oklab, var(--warn) 18%, var(--white));
  color: color-mix(in oklab, var(--warn) 78%, black);
}

.paper-status.locked {
  background: color-mix(in oklab, var(--danger) 15%, var(--white));
  color: color-mix(in oklab, var(--danger) 78%, black);
}

.meta-label-optional {
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: color-mix(in oklab, var(--muted) 85%, transparent);
  font-size: 0.72rem;
}

/* Marked Papers - toolbar, filters, table */
.page-papers .page-header {
  align-items: flex-start;
  gap: 1rem;
}

.page-papers .page-lead {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}

.papers-toolbar {
  margin-bottom: 1.1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--white) 0%, color-mix(in oklab, var(--paper) 40%, var(--white)) 100%);
  box-shadow: var(--shadow-sm);
}

.papers-toolbar-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.65rem 0.85rem;
}

.papers-search-wrap {
  position: relative;
  flex: 1 1 220px;
  min-width: min(100%, 220px);
  display: block;
}

.papers-search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 1rem;
  pointer-events: none;
}

.papers-search-input {
  width: 100%;
  min-height: 42px;
  padding: 0.55rem 0.85rem 0.55rem 2.2rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--white);
  font: inherit;
  color: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.papers-search-input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--gold) 22%, transparent);
}

.papers-filter-field {
  display: grid;
  gap: 0.25rem;
  min-width: 9.5rem;
}

.papers-filter-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 700;
  color: var(--muted);
}

.papers-select {
  min-height: 42px;
  padding: 0.45rem 2rem 0.45rem 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 0.65rem center;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.papers-select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--gold) 22%, transparent);
}

.papers-sort-dir-btn {
  min-width: 42px;
  min-height: 42px;
  padding: 0;
  font-size: 1.15rem;
  line-height: 1;
}

.papers-view-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--white);
}

.papers-view-btn {
  border: 0;
  background: transparent;
  padding: 0.55rem 0.8rem;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.papers-view-btn:hover {
  color: var(--royal);
  background: color-mix(in oklab, var(--gold-soft) 18%, var(--white));
}

.papers-view-btn.is-active {
  color: var(--royal);
  background: color-mix(in oklab, var(--gold-soft) 35%, var(--white));
}

.papers-results-count {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
}

.paper-class {
  color: var(--royal);
  font-size: 0.84rem;
  font-weight: 600;
  margin: 0.15rem 0;
}

.paper-score-badge {
  flex-shrink: 0;
  align-self: flex-start;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--royal) 10%, var(--white));
  color: var(--royal);
  font-size: 0.82rem;
  font-weight: 700;
}

.papers-no-match {
  grid-column: 1 / -1;
}

.papers-table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.papers-table-scroll {
  overflow-x: auto;
}

.papers-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.papers-table th,
.papers-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.papers-table th {
  background: color-mix(in oklab, var(--royal) 6%, var(--white));
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.papers-table tbody tr:hover {
  background: color-mix(in oklab, var(--gold-soft) 12%, var(--white));
}

.papers-table-link {
  color: var(--royal);
  font-weight: 700;
  text-decoration: none;
}

.papers-table-link:hover {
  text-decoration: underline;
}

.papers-table-score span {
  color: var(--muted);
  font-weight: 500;
}

.papers-table-action {
  text-align: right;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .papers-toolbar-row {
    flex-direction: column;
    align-items: stretch;
  }

  .papers-filter-field,
  .papers-view-toggle,
  .papers-sort-dir-btn {
    width: 100%;
  }

  .papers-view-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .papers-sort-dir-btn {
    width: 100%;
  }
}

.plan-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  padding: 1.35rem 1.25rem 1.25rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-height: 100%;
}

.plan-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.plan-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.plan-card.featured {
  border-color: var(--gold);
  box-shadow: 0 8px 28px rgba(201, 161, 59, 0.2);
}

.plan-badge {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  border-radius: 999px;
  background: var(--gold);
  color: var(--royal-deep);
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.28rem 0.55rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.plan-price {
  color: var(--royal);
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.1;
}

.plan-credits {
  color: var(--muted);
  font-size: 0.9rem;
}

.plan-line {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
  margin-bottom: 0.5rem;
}

/* 6) Modals for anon signup prompt and hard lock */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  place-items: center;
  padding: 1rem;
  background: rgba(8, 28, 56, 0.6);
}

.modal-overlay:not([hidden]),
.modal-overlay.show {
  display: grid;
}

.modal-hint {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.modal {
  width: min(100%, 560px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.modal-head {
  background: linear-gradient(180deg, var(--royal) 0%, var(--royal-deep) 100%);
  color: var(--white);
  padding: 0.95rem 1rem;
}

.modal-head h3 {
  color: var(--white);
  font-size: 1.2rem;
}

.modal-body {
  padding: 1rem;
  color: var(--ink);
  display: grid;
  gap: 0.7rem;
}

.modal-foot {
  border-top: 1px solid var(--line);
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.modal-anon-signup .modal-head {
  background: linear-gradient(180deg, var(--royal) 0%, #0b264b 100%);
}

.modal-hard-lock .modal-head {
  background: linear-gradient(180deg, #872b2b 0%, #611d1d 100%);
}

.lock-warning {
  border-radius: var(--radius-sm);
  border: 1px solid color-mix(in oklab, var(--danger) 42%, var(--line));
  background: color-mix(in oklab, var(--danger) 10%, var(--white));
  color: #5d1414;
  padding: 0.7rem;
}

/* Skeleton and utility states */
.skeleton {
  border-radius: 8px;
  background: linear-gradient(90deg, #eff2f8 25%, #e5e9f3 37%, #eff2f8 63%);
  background-size: 400% 100%;
  animation: shimmer 1.3s ease infinite;
}

@keyframes shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

/* 8) Breakpoints 640px and 1024px */
@media (min-width: 640px) {
  .container {
    padding-inline: 1.25rem;
  }

  .auth-card {
    padding: 1.5rem;
  }

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

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

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

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

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

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .marking-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 1.15rem;
  }

  .voice-panel {
    position: sticky;
    top: 1rem;
  }

  .qbody {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
}

/* 9) Print styles for mark sheet */
.invite-box {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

.invite-box input {
  flex: 1;
  min-width: 200px;
  font-size: 0.85rem;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border, #e2e8f0);
}

.data-table th {
  font-weight: 600;
  color: var(--navy-muted, #4d5a73);
}

.shared-sheet .shared-head { margin-bottom: 1.5rem; }
.shared-total { font-size: 1.25rem; color: var(--gold, #c9a13b); }
.shared-q { margin-bottom: 1rem; }

/* ── Marking landing (original prototype layout, no sidebar) ── */
.page-mark {
  --mark-night: #0d2a54;
  --mark-night-2: #081c38;
  --mark-ink-light: #5a6478;
  --mark-parchment: #f8f6f1;
  --mark-owl: #c9a13b;
  --mark-owl-soft: #e8d5a3;
  --mark-moss: #2f8a57;
  --mark-moss-soft: #d8ebe0;
  --mark-rust: #b93b3b;
  --mark-amber: #d28a14;
  --mark-amber-soft: #fbeccd;
  --mark-line: #ddd5c5;
  background: var(--mark-parchment);
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
  color: var(--ink);
  min-height: 100vh;
}

.page-mark.page-mark-in-shell {
  min-height: auto;
}

.page-mark .mark-header,
.page-mark .mark-toolbar {
  background: var(--mark-night);
  color: #f4efe4;
  padding: 12px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 3px solid var(--mark-owl);
}

.page-mark .mark-header-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.page-mark .mark-header-brand .brand-name {
  font-size: 1.28rem;
  color: #f4efe4;
}

.page-mark .mark-header-brand .brand-name b {
  color: var(--mark-owl-soft);
}

.page-mark .mark-header-brand .brand-tag {
  color: #8a93a8;
}

.page-mark .mark-header-assoc {
  color: #8a93a8;
}

.page-mark .mark-header-assoc a {
  color: var(--mark-owl-soft);
}

.page-mark .mark-toolbar-left,
.page-mark .mark-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-mark #model-select {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 7px;
  color: #f4efe4;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  cursor: pointer;
  min-height: 40px;
}

.page-mark #model-select option {
  color: #111;
}

.page-mark .credit-badge {
  font-size: 0.78rem;
  color: var(--mark-owl-soft);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .mark-header .btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
  color: #f4efe4;
}

.page-mark .mark-header .btn-primary {
  background: var(--mark-owl);
  color: #fff;
}

.mark-guest-header-auth {
  display: flex;
  order: 2;
  margin-left: auto;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.82rem;
  flex: 0 0 auto;
}

.mark-guest-header-auth a {
  color: var(--mark-owl-soft);
  text-decoration: none;
  font-weight: 600;
}

.mark-guest-header-auth a.mark-auth-register {
  color: #fff;
  background: var(--mark-owl);
  padding: 7px 12px;
  border-radius: 7px;
}

.mark-guest-header-auth .mark-auth-sep {
  color: rgba(255, 255, 255, 0.35);
}

.page-mark .mark-main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 38px 22px 60px;
}

body.guest-mark .page-mark .mark-main {
  padding: 16px 20px 40px;
}

.page-mark .step {
  display: none;
}

.page-mark .step.active {
  display: block;
  animation: mark-fade 0.35s ease;
}

@keyframes mark-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.page-mark .hero {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 40px;
}

.page-mark .hero-landing {
  margin: 0 auto 14px;
}

.page-mark .hero-compact {
  margin: 0 auto 18px;
  text-align: left;
}

.page-mark .hero-compact h1 {
  font-size: 1.45rem;
  margin-bottom: 6px;
}

.page-mark .hero-compact p {
  font-size: 0.92rem;
  margin: 0;
}

.page-mark .hero-owl-lockup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 6px;
}

.page-mark .hero-owl-anim {
  font-size: clamp(2.4rem, 6vw, 3.2rem);
  line-height: 1;
  display: inline-block;
  animation: hero-owl-float 2.4s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(201, 146, 42, 0.35));
}

@keyframes hero-owl-float {
  0%, 100% { transform: translateY(0) rotate(-4deg); }
  50% { transform: translateY(-6px) rotate(4deg); }
}

@media (prefers-reduced-motion: reduce) {
  .page-mark .hero-owl-anim {
    animation: none;
  }
}

.page-mark .hero-landing h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.05;
  letter-spacing: -0.5px;
  margin: 0;
  color: var(--mark-night);
}

.page-mark .hero-tagline {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(0.95rem, 2.2vw, 1.12rem);
  font-weight: 600;
  color: var(--mark-ink-light);
  margin: 0 0 10px;
  line-height: 1.4;
}

.page-mark .hero-lead {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--mark-ink-light);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.page-mark .hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.15rem);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  color: var(--mark-night);
}

.page-mark .hero h1 .accent {
  color: var(--mark-owl);
  font-style: italic;
}

.page-mark .hero p {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--mark-ink-light);
  font-size: 1rem;
  line-height: 1.6;
}

.page-mark .seo-feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-mark .seo-feature-list li {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--mark-ink-light);
  background: #f3f6f9;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  padding: 5px 11px;
  line-height: 1.3;
}

.page-mark .steps-rail {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 10px 0 16px;
  flex-wrap: wrap;
}

body.guest-mark .page-mark .steps-rail {
  margin: 8px 0 12px;
}

.page-mark .rail-step {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.74rem;
  color: var(--mark-ink-light);
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-mark .rail-step .num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mark-night);
  color: var(--mark-owl-soft);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.72rem;
}

.page-mark .rail-sep {
  color: var(--mark-line);
}

/* Landing body: upload form + walkthrough demo */
.page-mark .landing-body {
  display: grid;
  grid-template-columns: 1fr minmax(340px, 460px);
  gap: 28px;
  align-items: start;
}

.page-mark .landing-upload-col {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

.page-mark .landing-body .walkthrough-demo {
  grid-column: 2;
  grid-row: 1;
}

.mark-mobile-only {
  display: none;
}

.mark-mobile-only:not([hidden]) {
  display: flex;
}

.mark-mobile-foot {
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
  padding: 12px 14px 16px;
  border-top: 1px solid var(--mark-line);
  background: rgba(255, 255, 255, 0.92);
}

@media (max-width: 720px) {
  .mark-mobile-only:not([hidden]) {
    display: flex;
  }

  .mark-desktop-only,
  .mark-header-desktop-only {
    display: none !important;
  }

  .mark-mobile-foot.mark-paper-actions:not([hidden]) {
    display: flex;
    position: sticky;
    bottom: 0;
    z-index: 50;
    margin-left: -14px;
    margin-right: -14px;
    padding-left: 14px;
    padding-right: 14px;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.08);
  }

  .page-mark .mark-header {
    padding: 10px 14px;
    gap: 10px;
  }

  .page-mark .mark-header-brand {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
  }

  .page-mark .mark-header-brand .brand-tag,
  .page-mark .mark-header-brand .mark-header-assoc {
    display: none;
  }

  .page-mark .mark-header .mark-toolbar-left {
    flex: 1 1 100%;
    order: 3;
  }

  .page-mark .mark-header #model-select {
    width: 100%;
  }

  .page-mark .mark-main {
    padding: 22px 14px 32px;
  }

  .page-mark .hero {
    margin-bottom: 22px;
  }

  .page-mark .landing-body {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .page-mark .landing-body .walkthrough-demo {
    order: 1;
    position: static;
    max-width: none;
    width: 100%;
    margin: 0;
  }

  .page-mark .landing-upload-col {
    order: 2;
  }

  .page-mark-in-shell .mark-subbar .mark-paper-actions {
    display: none !important;
  }

  .page-mark-in-shell .mark-mobile-foot.mark-paper-actions:not([hidden]) {
    display: flex;
  }
}

@media (max-width: 1020px) and (min-width: 721px) {
  .page-mark .landing-body {
    grid-template-columns: 1fr;
  }

  .page-mark .landing-body .walkthrough-demo {
    grid-column: 1;
    max-width: 460px;
    margin: 0 auto 8px;
    width: 100%;
    position: static;
  }

  .page-mark .landing-upload-col {
    grid-column: 1;
  }
}

/* ── Walkthrough demo (auto-playing product tour) ── */
.walkthrough-demo {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 1.5rem);
}

.wt-frame {
  background: #fff;
  border-radius: 16px 16px 0 0;
  border: 1px solid var(--mark-line);
  border-bottom: none;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.wt-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: linear-gradient(135deg, var(--mark-night) 0%, #1a3560 100%);
  border-bottom: 2px solid var(--mark-owl);
}

.wt-dot-r, .wt-dot-y, .wt-dot-g {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.wt-dot-r { background: #ff6b6b; }
.wt-dot-y { background: #ffd166; }
.wt-dot-g { background: #6bcb77; }

.wt-chrome-title {
  margin-left: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #f4efe4;
  letter-spacing: 0.02em;
}

.wt-progress {
  height: 3px;
  background: #e8ecf4;
}

.wt-progress-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--mark-owl), #e8b84a);
}

.wt-stage {
  position: relative;
  height: 318px;
  flex-shrink: 0;
  padding: 10px 12px 8px;
  background: linear-gradient(180deg, #faf9f6 0%, #fff 100%);
  overflow: hidden;
}

.wt-scene {
  position: absolute;
  inset: 10px 12px 8px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s;
  pointer-events: none;
  overflow: hidden;
}

.wt-scene.active {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

/* Hand-drawn callout arrow */
.wt-callout {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  opacity: 0;
}

.wt-scene.active .wt-callout {
  animation: wt-callout-in 0.5s ease 0.35s forwards;
}

@keyframes wt-callout-in {
  from { opacity: 0; transform: scale(0.85) rotate(-6deg); }
  to { opacity: 1; transform: none; }
}

.wt-hand-arrow {
  width: 62px;
  height: 50px;
  display: block;
  filter: drop-shadow(0 1px 2px rgba(201, 146, 42, 0.25));
}

.wt-arrow-path {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: wt-draw-arrow 1.1s ease 0.55s forwards;
}

.wt-arrow-head {
  stroke-dasharray: 24;
  stroke-dashoffset: 24;
  animation: wt-draw-arrow 0.45s ease 1.35s forwards;
}

@keyframes wt-draw-arrow {
  to { stroke-dashoffset: 0; }
}

.wt-callout-1 { top: 58px; right: 6px; transform: rotate(-8deg); }
.wt-callout-2 { top: 62px; right: 4px; transform: rotate(-12deg); }
.wt-callout-3 { top: 88px; right: 8px; transform: rotate(-6deg); }
.wt-callout-4 { top: 52px; right: 0; transform: rotate(-18deg) scaleX(-1); }

.wt-step-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 0;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.wt-step-row .wt-step-badge {
  margin-bottom: 0;
  flex: 1 1 auto;
  min-width: 0;
}

.wt-step-row .wt-export-btns {
  flex-shrink: 0;
}

.wt-spot {
  position: relative;
  z-index: 1;
}

.wt-scene.active .wt-spot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 10px;
  border: 2px solid rgba(201, 146, 42, 0.55);
  box-shadow: 0 0 0 3px rgba(201, 146, 42, 0.12);
  animation: wt-spot-pulse 2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes wt-spot-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

/* Step nav - always visible below preview card */
.wt-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 8px 10px 10px;
  background: #fff;
  border: 1px solid var(--mark-line);
  border-top: 1px solid #e8ecf4;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.1);
}

.wt-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 3px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: #f6f8fc;
  color: var(--mark-ink-light);
  font-size: 0.68rem;
  font-weight: 600;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
  line-height: 1.2;
}

.wt-nav-num {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mark-night);
  color: var(--mark-owl-soft);
  font-size: 0.68rem;
  font-weight: 700;
}

.wt-nav-btn:hover {
  background: #eef4ff;
  border-color: #c5d8f5;
  color: var(--mark-night);
}

.wt-nav-btn.active {
  background: var(--mark-amber-soft);
  border-color: rgba(201, 146, 42, 0.45);
  color: var(--mark-night);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(201, 146, 42, 0.15);
}

.wt-nav-btn.active .wt-nav-num {
  background: var(--mark-owl);
  color: var(--mark-night);
}

.wt-step-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mark-night);
  background: var(--mark-amber-soft);
  border: 1px solid rgba(201, 146, 42, 0.35);
  border-radius: 999px;
  padding: 4px 10px 4px 5px;
  margin-bottom: 6px;
  flex-shrink: 0;
}

.wt-scene-intro {
  margin: 0 0 7px;
  font-size: 0.73rem;
  line-height: 1.44;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  flex-shrink: 0;
}

.wt-step-row + .wt-scene-intro {
  margin-top: 6px;
}

.wt-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mark-night);
  color: var(--mark-owl-soft);
  display: grid;
  place-items: center;
  font-size: 0.7rem;
}

.wt-caption {
  margin: auto 0 0;
  padding-top: 10px;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  flex-shrink: 0;
}

/* Scene 1 - upload */
.wt-upload-mock {
  display: grid;
  gap: 6px;
  flex: 0 0 auto;
  align-content: start;
}

.wt-upload-card {
  position: relative;
  border: 2px dashed var(--mark-line);
  border-radius: 9px;
  padding: 6px 30px 6px 34px;
  background: #fff;
  text-align: left;
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: border-color 0.3s, background 0.3s;
}

.wt-scene.active .wt-anim-paper {
  animation: wt-card-in 0.48s ease 0.15s forwards;
}

.wt-scene.active .wt-anim-scheme {
  animation: wt-card-in 0.48s ease 0.55s forwards;
}

@keyframes wt-card-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    border-color: var(--mark-moss);
    border-style: solid;
    background: var(--mark-moss-soft);
  }
}

.wt-card-ico {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1rem;
  line-height: 1;
}

.wt-upload-card strong {
  display: block;
  font-size: 0.78rem;
  margin-bottom: 1px;
  line-height: 1.2;
}

.wt-filename {
  display: block;
  font-size: 0.66rem;
  line-height: 1.2;
  font-family: ui-monospace, Consolas, monospace;
  color: var(--mark-moss);
  opacity: 0;
}

.wt-scene.active .wt-anim-paper .wt-filename { animation: wt-fade-in 0.35s ease 0.45s forwards; }
.wt-scene.active .wt-anim-scheme .wt-filename { animation: wt-fade-in 0.35s ease 0.85s forwards; }

.wt-check {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--mark-moss);
  color: #fff;
  font-size: 0.62rem;
  display: grid;
  place-items: center;
  opacity: 0;
  scale: 0.5;
}

.wt-scene.active .wt-anim-paper .wt-check { animation: wt-pop 0.3s ease 0.65s forwards; }
.wt-scene.active .wt-anim-scheme .wt-check { animation: wt-pop 0.3s ease 1.05s forwards; }

@keyframes wt-fade-in { to { opacity: 1; } }
@keyframes wt-pop {
  to { opacity: 1; scale: 1; }
}

/* Scene 1 - upload illustration */
.wt-upload-illustration {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 6px 4px 2px;
  opacity: 0;
  transform: translateY(6px);
}

.wt-scene.active .wt-anim-illo {
  animation: wt-illo-in 0.55s ease 1.15s forwards;
}

@keyframes wt-illo-in {
  to { opacity: 1; transform: none; }
}

.wt-illo-stage {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  width: 100%;
  max-width: 280px;
}

.wt-illo-paper-stack {
  position: relative;
  width: 62px;
  height: 58px;
  flex-shrink: 0;
}

.wt-illo-sheet {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 2px solid #c5d4e8;
  background: linear-gradient(165deg, #fff 0%, #f3f7fc 100%);
  box-shadow: 0 3px 10px rgba(27, 34, 48, 0.1);
}

.wt-illo-sheet-1 {
  left: 0;
  bottom: 0;
  width: 44px;
  height: 52px;
  transform: rotate(-8deg);
}

.wt-illo-sheet-2 {
  right: 0;
  top: 2px;
  width: 38px;
  height: 44px;
  transform: rotate(10deg);
  background: linear-gradient(165deg, #fffef8 0%, #fff6e0 100%);
  border-color: #e8d49a;
}

.wt-illo-sheet-ico {
  font-size: 1.15rem;
  line-height: 1;
}

.wt-illo-lines {
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 8px;
  height: 14px;
  background: repeating-linear-gradient(
    180deg,
    #b8c5d8 0,
    #b8c5d8 2px,
    transparent 2px,
    transparent 5px
  );
  opacity: 0.55;
  border-radius: 2px;
}

.wt-illo-handwriting {
  position: absolute;
  left: -4px;
  top: -2px;
  font-size: 0.58rem;
  font-weight: 700;
  font-family: "Segoe Print", "Comic Sans MS", cursive;
  color: #4a6fa5;
  transform: rotate(-12deg);
  background: #fff;
  padding: 1px 4px;
  border-radius: 4px;
  border: 1px solid #d4e0ef;
  box-shadow: 0 2px 6px rgba(27, 34, 48, 0.08);
}

.wt-scene.active .wt-illo-sheet-1 {
  animation: wt-illo-paper-float 2.4s ease-in-out 1.3s infinite;
}

.wt-scene.active .wt-illo-sheet-2 {
  animation: wt-illo-paper-float 2.4s ease-in-out 1.55s infinite;
}

@keyframes wt-illo-paper-float {
  0%, 100% { transform: rotate(-8deg) translateY(0); }
  50% { transform: rotate(-6deg) translateY(-4px); }
}

.wt-scene.active .wt-illo-sheet-2 {
  animation-name: wt-illo-paper-float-2;
}

@keyframes wt-illo-paper-float-2 {
  0%, 100% { transform: rotate(10deg) translateY(0); }
  50% { transform: rotate(12deg) translateY(-3px); }
}

.wt-illo-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding-bottom: 10px;
  flex-shrink: 0;
}

.wt-illo-upload-bubble {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--mark-owl) 0%, #e8b84a 100%);
  color: var(--mark-night);
  font-size: 0.85rem;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(201, 146, 42, 0.45);
}

.wt-illo-spark {
  font-size: 0.72rem;
  line-height: 1;
  opacity: 0.85;
}

.wt-scene.active .wt-illo-spark-1 {
  animation: wt-illo-spark 1.8s ease-in-out 1.4s infinite;
}

.wt-scene.active .wt-illo-spark-2 {
  animation: wt-illo-spark 1.8s ease-in-out 1.7s infinite;
}

@keyframes wt-illo-spark {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}

.wt-scene.active .wt-illo-upload-bubble {
  animation: wt-illo-bounce 1.6s ease-in-out 1.35s infinite;
}

@keyframes wt-illo-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.wt-illo-teacher {
  position: relative;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}

.wt-illo-teacher-ring {
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: linear-gradient(145deg, #dce9ff 0%, #f3e8ff 55%, #fff4d6 100%);
  border: 2px solid #c5d8f5;
  box-shadow: 0 4px 14px rgba(74, 111, 165, 0.18);
}

.wt-illo-teacher-emoji {
  position: relative;
  z-index: 1;
  font-size: 2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.wt-scene.active .wt-illo-teacher-emoji {
  animation: wt-illo-teacher-bob 2.2s ease-in-out 1.25s infinite;
}

@keyframes wt-illo-teacher-bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-3px) rotate(2deg); }
}

.wt-illo-happy {
  position: absolute;
  right: -2px;
  top: 6px;
  z-index: 2;
  font-size: 1rem;
  line-height: 1;
  animation: wt-illo-pop-in 0.4s ease 1.6s both;
}

.wt-illo-pencil {
  position: absolute;
  left: -4px;
  bottom: 8px;
  z-index: 2;
  font-size: 0.95rem;
  line-height: 1;
  transform: rotate(-35deg);
}

.wt-scene.active .wt-illo-pencil {
  animation: wt-illo-scribble 1.2s ease-in-out 1.5s infinite;
}

@keyframes wt-illo-scribble {
  0%, 100% { transform: rotate(-35deg) translate(0, 0); }
  25% { transform: rotate(-28deg) translate(2px, -2px); }
  75% { transform: rotate(-40deg) translate(-1px, 1px); }
}

@keyframes wt-illo-pop-in {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

.wt-illo-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
  margin-top: 8px;
  max-width: 100%;
}

.wt-illo-tag {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  opacity: 0;
  transform: translateY(4px);
}

.wt-scene.active .wt-illo-tag-upload {
  animation: wt-illo-tag-in 0.4s ease 1.45s forwards;
  background: #e8f5e9;
  color: #1e6b40;
  border: 1px solid #a8d5b5;
}

.wt-scene.active .wt-illo-tag-mark {
  animation: wt-illo-tag-in 0.4s ease 1.6s forwards;
  background: #fff4d6;
  color: #8a6200;
  border: 1px solid #e8c96a;
}

.wt-scene.active .wt-illo-tag-happy {
  animation: wt-illo-tag-in 0.4s ease 1.75s forwards;
  background: #eef3fb;
  color: #2a5080;
  border: 1px solid #b8cceb;
}

@keyframes wt-illo-tag-in {
  to { opacity: 1; transform: none; }
}

/* Scene 2 - draft */
.wt-draft-mock {
  display: grid;
  gap: 6px;
  flex: 0 1 auto;
  align-content: start;
  min-height: 0;
}

.wt-owl-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 9px;
  background: var(--mark-night);
  border-radius: 8px;
  color: #f4efe4;
  font-size: 0.82rem;
  flex-shrink: 0;
}

.wt-owl-intro {
  margin: 0;
  flex: 1;
  min-width: 0;
  font-size: 0.74rem;
  line-height: 1.42;
  color: #f4efe4;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.wt-owl-spin {
  font-size: 1.1rem;
  display: inline-block;
  flex-shrink: 0;
  margin-top: 0;
}

.wt-scene.active .wt-owl-spin {
  animation: wt-owl-bob 1.2s ease-in-out infinite;
}

@keyframes wt-owl-bob {
  0%, 100% { transform: translateY(0) rotate(-5deg); }
  50% { transform: translateY(-4px) rotate(5deg); }
}

.wt-questions {
  display: grid;
  gap: 5px;
  min-height: 0;
}

.wt-q {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 4px 8px;
  align-items: center;
  padding: 6px 8px;
  background: #fff;
  border: 1px solid var(--mark-line);
  border-radius: 10px;
  opacity: 0;
  transform: translateX(-8px);
}

.wt-q-label {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--mark-night);
}

.wt-q-score {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.wt-q-fb {
  grid-column: 1 / -1;
  font-size: 0.74rem;
  color: var(--mark-ink-light);
  line-height: 1.35;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.wt-scene.active .wt-anim-q1 { animation: wt-slide-in 0.45s ease 0.35s forwards; }
.wt-scene.active .wt-anim-q2 { animation: wt-slide-in 0.45s ease 0.85s forwards; }
.wt-scene.active .wt-anim-q3 { animation: wt-slide-in 0.45s ease 1.35s forwards; }

@keyframes wt-slide-in {
  to { opacity: 1; transform: none; }
}

.score-good { background: #d4edda; color: #1e6b3a; }
.score-amber { background: #fff3cd; color: #856404; }

/* Scene 3 - voice */
.wt-voice-mock {
  display: grid;
  gap: 6px;
  flex: 0 1 auto;
  align-content: start;
  min-height: 0;
}

.wt-q-active {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  padding: 6px 8px;
  background: #fff;
  border: 2px solid var(--mark-owl);
  border-radius: 10px;
}

.wt-q-arrow {
  color: var(--mark-ink-light);
  font-weight: 700;
}

.wt-score-before { opacity: 1; }
.wt-score-after {
  opacity: 0;
  transform: scale(0.85);
}

.wt-scene.active .wt-score-after {
  animation: wt-score-flip 0.5s ease 1.8s forwards;
}

@keyframes wt-score-flip {
  to { opacity: 1; transform: scale(1); }
}

.wt-mic-row {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  padding: 6px 8px;
  background: var(--mark-night);
  border-radius: 8px;
}

.wt-mic-pulse {
  font-size: 1.25rem;
}

.wt-scene.active .wt-mic-pulse {
  animation: wt-mic-glow 1.5s ease-in-out infinite;
}

@keyframes wt-mic-glow {
  0%, 100% { filter: drop-shadow(0 0 0 transparent); transform: scale(1); }
  50% { filter: drop-shadow(0 0 8px rgba(201, 146, 42, 0.6)); transform: scale(1.08); }
}

.wt-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 22px;
}

.wt-wave span {
  width: 4px;
  height: 8px;
  background: var(--mark-owl);
  border-radius: 2px;
  animation: wt-wave 0.9s ease-in-out infinite;
}

.wt-wave span:nth-child(2) { animation-delay: 0.1s; }
.wt-wave span:nth-child(3) { animation-delay: 0.2s; }
.wt-wave span:nth-child(4) { animation-delay: 0.3s; }
.wt-wave span:nth-child(5) { animation-delay: 0.4s; }

@keyframes wt-wave {
  0%, 100% { height: 8px; }
  50% { height: 24px; }
}

.wt-transcript {
  font-size: 0.76rem;
  font-style: italic;
  color: var(--mark-night);
  background: #eef3fb;
  border-left: 3px solid var(--mark-owl);
  padding: 6px 8px;
  border-radius: 0 6px 6px 0;
  line-height: 1.38;
  opacity: 0;
}

.wt-scene.active .wt-anim-type {
  animation: wt-fade-in 0.5s ease 0.6s forwards;
}

.wt-fb-update {
  font-size: 0.76rem;
  color: var(--mark-ink-light);
  padding: 6px 8px;
  background: var(--mark-moss-soft);
  border-radius: 6px;
  line-height: 1.38;
  opacity: 0;
}

.wt-scene.active .wt-anim-fb {
  animation: wt-fade-in 0.5s ease 2.2s forwards;
}

/* Scene 4 - report */
.wt-report-mock {
  border: 1px solid var(--mark-line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.08);
  opacity: 0;
  transform: scale(0.98);
  flex: 0 1 auto;
  align-self: stretch;
  display: flex;
  flex-direction: column;
}

.wt-scene.active .wt-report-mock {
  animation: wt-report-in 0.55s ease 0.25s forwards;
}

@keyframes wt-report-in {
  to { opacity: 1; transform: scale(1); }
}

.wt-report-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: linear-gradient(135deg, var(--mark-night) 0%, #1a3560 100%);
  color: #f4efe4;
  flex-shrink: 0;
}

.wt-report-owl { font-size: 1rem; }

.wt-report-head strong {
  display: block;
  font-size: 0.82rem;
  line-height: 1.2;
}

.wt-report-head span:not(.wt-report-owl) {
  font-size: 0.68rem;
  opacity: 0.85;
  line-height: 1.2;
}

.wt-report-total {
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mark-owl-soft);
  white-space: nowrap;
}

.wt-report-body {
  padding: 6px 10px 7px;
  display: grid;
  gap: 4px;
  flex: 0 1 auto;
  align-content: start;
}

.wt-report-row {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 4px 8px;
  font-size: 0.76rem;
  padding-bottom: 4px;
  border-bottom: 1px solid #eef1f6;
}

.wt-report-row span:first-child {
  font-weight: 700;
  color: var(--mark-night);
}

.wt-report-row p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--mark-ink-light);
  line-height: 1.4;
}

.wt-report-comment {
  margin-top: 0;
  padding: 5px 8px;
  background: #eef3fb;
  border-radius: 6px;
  font-size: 0.78rem;
}

.wt-report-comment strong {
  display: block;
  margin-bottom: 2px;
  font-size: 0.72rem;
  color: var(--mark-night);
  line-height: 1.2;
}

.wt-report-comment p {
  margin: 0;
  color: var(--mark-ink-light);
  line-height: 1.35;
  font-size: 0.78rem;
}

.wt-export-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.wt-export-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 11px;
  border-radius: 8px;
  background: var(--mark-night);
  color: #f4efe4;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(27, 34, 48, 0.2);
}

.wt-live-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 6px 0 0;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mark-ink-light);
}

.wt-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6bcb77;
  animation: wt-live-pulse 1.8s ease-in-out infinite;
}

@keyframes wt-live-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(107, 203, 119, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 5px rgba(107, 203, 119, 0); }
}

@media (prefers-reduced-motion: reduce) {
  .wt-scene,
  .wt-scene.active .wt-owl-spin,
  .wt-scene.active .wt-mic-pulse,
  .wt-wave span,
  .wt-live-dot,
  .wt-scene.active .wt-callout,
  .wt-arrow-path,
  .wt-arrow-head,
  .wt-scene.active .wt-spot::after {
    animation: none !important;
    transition: opacity 0.2s ease;
  }

  .wt-scene.active .wt-callout {
    opacity: 1;
  }

  .wt-scene.active .wt-anim-paper,
  .wt-scene.active .wt-anim-scheme,
  .wt-scene.active .wt-anim-q1,
  .wt-scene.active .wt-anim-q2,
  .wt-scene.active .wt-anim-q3,
  .wt-scene.active .wt-report-mock {
    opacity: 1;
    transform: none;
  }

  .wt-scene.active .wt-anim-illo,
  .wt-scene.active .wt-illo-tag-upload,
  .wt-scene.active .wt-illo-tag-mark,
  .wt-scene.active .wt-illo-tag-happy {
    opacity: 1;
    transform: none;
  }

  .wt-illo-happy {
    animation: none;
    opacity: 1;
  }
}

.page-mark .upload-grid {
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-bottom: 24px;
}

.page-mark .upload-card {
  border: 2px dashed var(--mark-line);
  border-radius: 14px;
  padding: 40px 26px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: #fff;
  position: relative;
  min-height: 200px;
}

.page-mark .upload-card:hover,
.page-mark .upload-card.drag-over {
  border-color: var(--mark-owl);
  background: var(--mark-amber-soft);
  transform: translateY(-2px);
}

.page-mark .upload-card.has-file {
  border-color: var(--mark-moss);
  border-style: solid;
  background: var(--mark-moss-soft);
}

.page-mark .upload-card .ico {
  font-size: 2.6rem;
  margin-bottom: 12px;
}

.page-mark .upload-card h3 {
  font-size: 1.05rem;
  margin-bottom: 5px;
}

.page-mark .upload-card p {
  font-size: 0.82rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .file-name {
  display: none;
  font-size: 0.78rem;
  color: var(--mark-moss);
  font-family: monospace;
  margin-top: 9px;
  word-break: break-all;
}

.page-mark .has-file .file-name {
  display: block;
}

.page-mark .context-box {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 26px;
}

.page-mark .context-box label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 5px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .context-box .hint {
  font-size: 0.76rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin-bottom: 11px;
}

.page-mark .context-box textarea {
  width: 100%;
  min-height: 84px;
  border: 1px solid var(--mark-line);
  border-radius: 8px;
  padding: 11px 14px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  resize: vertical;
  background: var(--mark-parchment);
}

.page-mark .btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.page-mark .btn-primary {
  background: var(--mark-owl);
  color: #fff;
  box-shadow: 0 3px 10px rgba(201, 161, 59, 0.3);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .btn-ghost {
  background: #fff;
  color: var(--ink);
  border: 1.5px solid var(--mark-line);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .btn-dark {
  background: var(--mark-night);
  color: #f4efe4;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark #loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 42, 84, 0.96);
  z-index: 300;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 22px;
  color: #f4efe4;
}

.page-mark #loading-overlay.active {
  display: flex;
}

.page-mark .owl-loader {
  font-size: 3.4rem;
  animation: owl-blink 1.4s ease-in-out infinite;
}

@keyframes owl-blink {
  0%, 90%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}

.page-mark #loading-msg {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .loading-sub {
  font-size: 0.8rem;
  color: #8a93a8;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .marking-layout {
  grid-template-columns: 1fr minmax(260px, 24vw);
  gap: 20px;
  align-items: start;
}

.page-mark .marking-aside {
  position: relative;
  min-width: 0;
  width: 100%;
  align-self: start;
}

body.paper-aside-resized .page-mark .marking-layout {
  grid-template-columns: 1fr var(--paper-aside-width, 280px);
}

.page-mark .sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
  gap: 12px;
  flex-wrap: wrap;
}

.page-mark .sheet-head-main {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-mark .sheet-head h2 {
  font-size: 1.4rem;
  color: var(--mark-night);
  margin: 0;
}

.page-mark .total-display-panel {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  background: linear-gradient(135deg, var(--mark-night) 0%, #2a3a52 100%);
  color: #f4efe4;
  padding: 10px 22px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(27, 34, 48, 0.18);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .total-display-panel .total-score {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-mark .total-display-panel .total-pct {
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0.85;
  padding-left: 12px;
  border-left: 1px solid rgba(244, 239, 228, 0.35);
}

.page-mark .edit-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.62rem;
  color: var(--mark-ink-light);
  opacity: 0.8;
}

.page-mark .total-badge {
  background: var(--mark-night);
  color: #f4efe4;
  padding: 8px 20px;
  border-radius: 22px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 700;
}

.page-mark .meta-bar {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-radius: 11px;
  padding: 15px 18px;
  margin-bottom: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.page-mark .meta-bar-save {
  flex: 1 1 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
  margin-top: 2px;
  padding-top: 12px;
  border-top: 1px solid var(--mark-line);
}

.page-mark .meta-save-hint {
  margin: 0;
  font-size: 0.8rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark #save-meta-btn.saved {
  color: #1e6b40;
  border-color: #8ecfaa;
  background: #e3f5eb;
}

.page-mark .sheet-sticky-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--mark-parchment, #f7f4ed);
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--mark-line);
}

.page-mark-in-shell .sheet-sticky-header {
  background: var(--bg, #f4f6f9);
}

.page-mark .question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  align-items: center;
}

.page-mark .qnav-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 22px;
  border: 1px solid var(--mark-line);
  background: #fff;
  color: var(--mark-night);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.page-mark .qnav-btn:hover {
  border-color: var(--mark-owl);
  background: #faf8f2;
}

.page-mark .qnav-btn.active {
  background: var(--mark-night);
  border-color: var(--mark-night);
  color: #f4efe4;
}

.page-mark .qnav-btn .qnav-score {
  font-size: 0.72rem;
  font-weight: 500;
  opacity: 0.85;
}

.page-mark .qnav-tick {
  position: absolute;
  top: -7px;
  right: -5px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #2d8f5a;
  color: #fff;
  font-size: 0.62rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(30, 107, 64, 0.35);
  border: 2px solid #fff;
  pointer-events: none;
}

.page-mark .qnav-btn.active .qnav-tick {
  border-color: var(--mark-night);
}

.page-mark .review-complete-label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-top: 10px;
  padding: 8px 10px;
  background: #f6f9f7;
  border: 1px solid #d4e8dc;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.4;
}

.page-mark .review-complete-cb {
  width: auto;
  margin-top: 0.15rem;
  flex-shrink: 0;
  accent-color: #2d8f5a;
}

.page-mark .review-complete-label:has(.review-complete-cb:checked) {
  background: #e8f5ee;
  border-color: #8ecfaa;
  color: #1e6b40;
  font-weight: 600;
}

.page-mark .qnav-btn.qnav-comment {
  font-size: 0.78rem;
}

.page-mark .qnav-btn.qnav-tier-low:not(.active) {
  background: #fde8e8;
  border-color: #e8a0a0;
  color: #9b3030;
}

.page-mark .qnav-btn.qnav-tier-mid:not(.active) {
  background: #fff4d6;
  border-color: #e8c878;
  color: #8a6200;
}

.page-mark .qnav-btn.qnav-tier-high:not(.active) {
  background: #e3f5eb;
  border-color: #8ecfaa;
  color: #1e6b40;
}

.page-mark .qnav-btn.qnav-all:not(.active) {
  background: #f4f6fa;
  border-color: #c5d0e0;
  color: #3a4a62;
  font-style: italic;
}

.page-mark .qnav-btn.qnav-util {
  font-size: 0.76rem;
  font-weight: 600;
  font-style: normal;
  padding: 7px 12px;
  background: #f6f9f7;
  border-color: #d4e8dc;
  color: #1e6b40;
}

.page-mark .qnav-btn.qnav-util:hover {
  background: #e8f5ee;
  border-color: #8ecfaa;
}

.page-mark .qnav-btn.qnav-untick-all {
  background: #fafbfc;
  border-color: #d8dee8;
  color: #4a5568;
}

.page-mark .qnav-btn.qnav-untick-all:hover {
  background: #f0f3f7;
  border-color: #b8c4d4;
}

.page-mark .total-display-panel.total-tier-low {
  background: linear-gradient(135deg, #fde8e8 0%, #fad4d4 100%);
  color: #9b3030;
  box-shadow: 0 4px 16px rgba(155, 48, 48, 0.12);
}

.page-mark .total-display-panel.total-tier-mid {
  background: linear-gradient(135deg, #fff4d6 0%, #ffe8b0 100%);
  color: #8a6200;
  box-shadow: 0 4px 16px rgba(138, 98, 0, 0.12);
}

.page-mark .total-display-panel.total-tier-high {
  background: linear-gradient(135deg, #e3f5eb 0%, #c8ebd8 100%);
  color: #1e6b40;
  box-shadow: 0 4px 16px rgba(30, 107, 64, 0.12);
}

.page-mark .total-display-panel.total-neutral {
  background: linear-gradient(135deg, var(--mark-night) 0%, #2a3a52 100%);
  color: #f4efe4;
}

.page-mark .total-display-panel.total-tier-low .total-pct,
.page-mark .total-display-panel.total-tier-mid .total-pct,
.page-mark .total-display-panel.total-tier-high .total-pct {
  border-left-color: rgba(0, 0, 0, 0.12);
  opacity: 0.9;
}

.page-mark .scoreblock {
  border-radius: 10px;
  padding: 10px 10px 8px;
  border: 2px solid transparent;
  min-width: 88px;
}

.page-mark .scoreblock-tier-low { background: #fde8e8; border-color: #e8a0a0; }
.page-mark .scoreblock-tier-mid { background: #fff4d6; border-color: #e8c878; }
.page-mark .scoreblock-tier-high { background: #e3f5eb; border-color: #8ecfaa; }
.page-mark .scoreblock-neutral { background: var(--mark-parchment); border-color: var(--mark-line); }

.page-mark .result-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .result-correct { color: #1e6b40; }
.page-mark .result-partial { color: #8a6200; }
.page-mark .result-incorrect { color: #9b3030; }
.page-mark .result-unmarked { color: #888; }

.page-mark .feedback-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-top: 11px;
  margin-bottom: 4px;
}

.page-mark .feedback-toolbar .alabel-wrap {
  flex: 1;
  min-width: 0;
}

.page-mark .field-hint {
  display: block;
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--mark-ink-light);
  line-height: 1.35;
  margin-top: 2px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .modal-card-compact {
  max-width: 420px;
}

.page-mark .modal-card-compact h2 {
  font-size: 1.15rem;
  margin-bottom: 0.65rem;
}

.page-mark .modal-card-compact p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--mark-ink-light);
  margin-bottom: 1rem;
}

.page-mark .paper-toggle-btn {
  background: #dff5e8;
  border: 2px solid #2a6cb8;
  color: #1a5c34;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(42, 108, 184, 0.15);
}

.page-mark .paper-toggle-btn:hover:not(:disabled) {
  background: #c8ebd8;
  border-color: #1e5aa8;
}

.page-mark .paper-toggle-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: #eef1f5;
  border-color: #c5cdd8;
  color: #6b7280;
  box-shadow: none;
}

.paper-upload-notice {
  margin: 12px 0 4px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #d4dce8;
  background: #f4f7fb;
  color: #3d4f66;
  font-size: 0.84rem;
  line-height: 1.5;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.paper-upload-notice[hidden] {
  display: none;
}

.page-mark .answer-toolbar .alabel {
  margin-bottom: 0;
}

.page-mark .voice-context-hint {
  background: #eef4ff;
  border: 1px solid #c5d8f5;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.8rem;
  color: #2a4a7a;
  margin-bottom: 12px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .voice-context-hint.voice-mic-status {
  background: #fff8e8;
  border-color: #e8c878;
  color: #7a5a10;
}

.page-mark .voice-example {
  margin-top: -6px;
}

.page-mark .meta-field input[readonly] {
  background: #f0f2f5;
  color: #555;
}

.page-mark .save-fb-btn.saved,
.page-mark #save-comment-btn.saved {
  color: #1e6b40;
  border-color: #8ecfaa;
  background: #e3f5eb;
}

.page-mark .comment-panel {
  margin-bottom: 8px;
}

.page-mark .answer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

/* Paper viewer - docks in right column (replaces voice panel) or pops out to float */
.page-mark .answer-transcript .paper-iframe,
.page-mark .answer-transcript .paper-img,
.page-mark .answer-transcript .paper-preview,
.page-mark .answer-transcript .paper-preview-panel {
  display: none !important;
}

body.paper-view-open .page-mark .voice-panel {
  visibility: hidden;
  pointer-events: none;
}

.paper-view-dock {
  display: none;
}

.paper-view-dock:not([hidden]) {
  display: flex;
  flex-direction: column;
  pointer-events: auto;
}

body.paper-view-open:not(.paper-view-detached):not(.paper-view-minimized) .paper-view-dock:not([hidden]) {
  box-shadow: 0 24px 64px rgba(15, 23, 42, 0.32), 0 8px 24px rgba(15, 23, 42, 0.18);
}

.paper-view-panel {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--mark-line);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.16);
}

body.paper-view-open:not(.paper-view-detached) .paper-view-panel {
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.22);
}

body.paper-view-detached .paper-view-dock {
  position: fixed;
  inset: auto;
  top: 72px;
  right: 16px;
  bottom: 16px;
  left: auto;
  width: min(48vw, 640px);
  min-width: 320px;
  max-width: calc(100vw - 32px);
  height: auto;
  z-index: 10050;
  resize: both;
  overflow: auto;
}

body.paper-view-detached .paper-view-panel {
  height: 100%;
  min-height: 360px;
  resize: none;
}

.paper-view-panel.is-dragging {
  opacity: 0.97;
  box-shadow: 0 22px 56px rgba(15, 23, 42, 0.28);
}

.paper-view-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: linear-gradient(135deg, var(--mark-night) 0%, #1a3560 100%);
  border-bottom: 2px solid var(--mark-owl);
  cursor: move;
  user-select: none;
  flex-shrink: 0;
}

.paper-view-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.paper-view-grip {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
  letter-spacing: -2px;
}

.paper-view-title {
  flex: 1;
  font-size: 0.82rem;
  font-weight: 700;
  color: #f4efe4;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.paper-view-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  color: #f4efe4;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
  display: grid;
  place-items: center;
}

.paper-view-btn:hover {
  background: rgba(255, 255, 255, 0.24);
}

.paper-view-close {
  font-size: 1.2rem;
}

.paper-view-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  background: #525659;
  display: flex;
  flex-direction: column;
  -webkit-overflow-scrolling: touch;
}

.paper-view-resize-handle {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 22px;
  height: 22px;
  cursor: nwse-resize;
  z-index: 2;
  background: linear-gradient(135deg, transparent 50%, rgba(27, 34, 48, 0.28) 50%);
  border-bottom-left-radius: 10px;
}

body.paper-view-detached .paper-view-resize-handle {
  display: none;
}

.paper-view-body .paper-iframe {
  flex: 1;
  width: 100%;
  min-height: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #525659;
}

.paper-view-body .paper-img {
  width: 100%;
  max-width: none;
  height: auto;
  display: block;
  object-fit: contain;
  background: #fff;
}

.paper-view-body .paper-unavailable {
  padding: 20px 16px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--mark-ink-light);
  text-align: left;
  background: #fff;
}

.paper-view-mini {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10040;
}

.paper-view-mini-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--mark-line);
  background: #fff;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.18);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--mark-night);
  cursor: pointer;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.paper-view-mini-btn:hover {
  border-color: var(--mark-owl);
  background: #faf8f2;
}

/* Legacy float rules removed - paper docks in marking-aside */

@media (max-width: 720px) {
  body.paper-view-open .page-mark .marking-layout {
    grid-template-columns: 1fr;
  }

  .paper-view-dock:not([hidden]) {
    position: fixed;
    left: 8px;
    right: 8px;
    top: auto;
    bottom: 8px;
    height: min(78vh, 720px);
    z-index: 10050;
  }

  body.paper-view-open .page-mark .voice-panel {
    display: none;
  }
}

.page-mark .meta-field label {
  font-size: 0.66rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .meta-field input {
  border: 1px solid var(--mark-line);
  border-radius: 6px;
  padding: 7px 10px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.86rem;
  background: var(--mark-parchment);
}

.page-mark .section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--mark-ink-light);
  margin-bottom: 15px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-mark .section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--mark-line);
}

.page-mark .comment-panel-hint {
  margin: -14px 0 12px;
  font-size: 0.78rem;
  color: var(--mark-ink-light);
  line-height: 1.4;
}

.page-mark .student-comment-box {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-left: 4px solid var(--mark-owl);
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 26px;
  box-shadow: 0 4px 20px rgba(27, 34, 48, 0.08);
}

.page-mark .areas-to-work-box {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-left: 4px solid #2d6a9f;
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 18px;
  box-shadow: 0 4px 16px rgba(45, 106, 159, 0.08);
}

.page-mark .areas-to-work:empty::before {
  content: attr(data-placeholder);
  color: var(--mark-ink-light);
  opacity: 0.75;
  pointer-events: none;
}

.page-mark .atext {
  font-size: 0.9rem;
  line-height: 1.55;
  min-height: 1.55em;
  background: var(--mark-parchment);
  border: 1px solid var(--mark-line);
  border-radius: 7px;
  padding: 9px 12px;
  cursor: text;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .atext[contenteditable="true"]:focus {
  outline: 2px solid var(--mark-owl);
  background: #fff;
}

.page-mark .atext.expected {
  color: var(--mark-ink-light);
  font-size: 0.82rem;
  background: #faf8f2;
}

.page-mark .atext.feedback {
  color: #6b4c00;
  font-style: italic;
  background: var(--mark-amber-soft);
  border-color: #f0dca8;
}

.page-mark .student-comment:empty::before {
  content: attr(data-placeholder);
  color: var(--mark-ink-light);
  font-style: italic;
  opacity: 0.7;
}

.page-mark .alabel {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--mark-ink-light);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .mt { margin-top: 11px; }

.page-mark .qcard {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-left: 4px solid var(--mark-line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 14px;
  box-shadow: 0 4px 20px rgba(27, 34, 48, 0.08);
}

.page-mark .qcard.flag-low { border-left-color: var(--mark-rust); }
.page-mark .qcard.flag-med { border-left-color: var(--mark-amber); }
.page-mark .qcard.flag-high { border-left-color: var(--mark-moss); }

.page-mark .qhead {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 11px;
}

.page-mark .qhead-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-mark .review-complete-label--head {
  margin-top: 0;
  flex: 1;
  min-width: min(100%, 240px);
}

.page-mark .qnum {
  font-size: 0.76rem;
  font-weight: 700;
  color: #fff;
  background: var(--mark-night);
  padding: 3px 10px;
  border-radius: 11px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .qtext {
  font-size: 0.9rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  flex: 1;
  line-height: 1.45;
}

.page-mark .qbody {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-mark .ablock { flex: 1; min-width: 0; }

.page-mark .scoreblock {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 78px;
}

.page-mark .scorelabel {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--mark-ink-light);
  text-transform: uppercase;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .scorewrap {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--mark-parchment);
  border: 2px solid var(--mark-line);
  border-radius: 8px;
  padding: 5px 11px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .scoreinput {
  width: 42px;
  border: none;
  background: transparent;
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  color: var(--mark-night);
  outline: none;
  -moz-appearance: textfield;
}

.page-mark .scoreinput::-webkit-outer-spin-button,
.page-mark .scoreinput::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.page-mark .scoremax {
  font-size: 0.88rem;
  color: var(--mark-ink-light);
  font-weight: 600;
}

.page-mark .confdot {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.64rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-transform: uppercase;
}

.page-mark .confdot .d {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-mark .conf-high .d { background: var(--mark-moss); }
.page-mark .conf-high { color: var(--mark-moss); }
.page-mark .conf-medium .d { background: var(--mark-amber); }
.page-mark .conf-medium { color: var(--mark-amber); }
.page-mark .conf-low .d { background: var(--mark-rust); }
.page-mark .conf-low { color: var(--mark-rust); }

.page-mark .voice-panel {
  background: #fff;
  border: 1px solid var(--mark-line);
  border-radius: 13px;
  padding: 14px 12px;
  box-shadow: 0 4px 20px rgba(27, 34, 48, 0.08);
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
}

.page-mark .voice-panel h3 { font-size: 0.92rem; margin-bottom: 4px; }

.page-mark .voice-panel .sub {
  font-size: 0.72rem;
  color: var(--mark-ink-light);
  margin-bottom: 10px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.45;
}

.page-mark .voice-panel .voice-example {
  display: none;
}

.page-mark #voice-btn,
.page-mark #apply-voice-btn {
  width: 100%;
  justify-content: center;
  font-size: 0.82rem;
  padding: 9px 12px;
}

.page-mark #transcript-box {
  min-height: 52px;
  background: var(--mark-parchment);
  border: 1px solid var(--mark-line);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 0.78rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: 10px 0;
  line-height: 1.45;
  font-style: italic;
}

.page-mark .hint-box {
  background: var(--mark-amber-soft);
  border-left: 3px solid var(--mark-amber);
  border-radius: 5px;
  padding: 8px 10px;
  font-size: 0.7rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.55;
  margin-top: 14px;
  color: #6b4c00;
}

.page-mark .export-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.page-mark .voice-log {
  max-height: 190px;
  overflow-y: auto;
  font-size: 0.77rem;
  color: var(--mark-ink-light);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark .log-item {
  padding: 6px 0;
  border-bottom: 1px solid var(--mark-line);
}

.page-mark .no-speech {
  display: none;
  background: var(--mark-amber-soft);
  border: 1px solid var(--mark-amber);
  border-radius: 8px;
  padding: 12px 15px;
  font-size: 0.83rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin-bottom: 13px;
  line-height: 1.5;
}

.page-mark .modal-overlay:not([hidden]) {
  display: grid;
}

.modal-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  max-height: min(90vh, 640px);
  overflow-y: auto;
}

.modal-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
  color: var(--royal-deep, #081c38);
}

.modal-card p {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--muted, #5f6475);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.modal-card .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.page-mark .modal-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.page-mark .modal-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
  color: var(--mark-night);
}

.page-mark .modal-card p {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--mark-ink-light);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.page-mark .mark-footer {
  text-align: center;
  padding: 24px;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 0.74rem;
  color: var(--mark-ink-light);
}

.page-mark .mark-footer a {
  color: var(--mark-owl);
}

@media (max-width: 860px) {
  .page-mark .marking-layout {
    grid-template-columns: 1fr;
  }

  .page-mark .voice-panel {
    position: static;
  }

  .page-mark .upload-grid {
    grid-template-columns: 1fr;
  }

  .page-mark .qbody {
    flex-direction: column;
  }
}

/* Auth extras */
.auth-brand .tag {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.auth-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  text-align: center;
}

.auth-sub {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.auth-switch,
.auth-back {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 1rem;
}

.auth-switch a,
.auth-back a {
  color: var(--royal);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.consent-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #f6f8fc;
  padding: 0.9rem 1rem;
  margin-top: 0.15rem;
}

.consent-label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem 0.75rem;
  align-items: start;
  margin: 0;
  cursor: pointer;
}

.consent-checkbox {
  flex-shrink: 0;
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.1rem 0 0;
  accent-color: var(--royal);
}

.consent-text {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--ink-soft);
  min-width: 0;
  overflow-wrap: break-word;
}

.consent-text a {
  color: var(--royal);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: normal;
}

@media (max-width: 520px) {
  .auth-card {
    padding: 1rem 0.9rem;
  }

  .consent-box {
    padding: 0.85rem 0.8rem;
  }

  .consent-label {
    gap: 0.6rem 0.65rem;
  }

  .consent-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 0.05rem;
  }

  .consent-text {
    font-size: 0.82rem;
    line-height: 1.5;
  }
}

.checkbox-label {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--muted);
}

.checkbox-label input {
  width: auto;
  margin-top: 0.2rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ── Marking inside app shell (logged-in: sidebar always visible) ── */
.page-mark-in-shell {
  background: transparent;
  min-height: auto;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.page-mark-in-shell .mark-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--royal) 0%, #153d75 100%);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.page-mark-in-shell .mark-toolbar-credits {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.page-mark-in-shell .subbar-credits {
  color: var(--gold-soft);
  font-size: 0.88rem;
  font-weight: 700;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  white-space: nowrap;
}

.page-mark-in-shell .btn-upgrade {
  background: linear-gradient(135deg, #e8b84a 0%, #d4a020 100%);
  color: #1a2a1a;
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.page-mark-in-shell .btn-upgrade:hover {
  background: linear-gradient(135deg, #f0c85a 0%, #e0b030 100%);
  color: #111;
}

.page-mark-in-shell .mark-subbar #model-select {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.82rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  min-height: 40px;
}

.page-mark-in-shell .mark-subbar #model-select option {
  color: #111;
}

.page-mark-in-shell .mark-subbar .credit-badge {
  color: var(--gold-soft);
  font-size: 0.8rem;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.page-mark-in-shell .mark-subbar .btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.page-mark-in-shell .mark-main {
  max-width: none;
  padding: 0;
}

.page-mark-in-shell .hero h1 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

/* ── Billing page ── */
.page-billing {
  --billing-gradient: linear-gradient(135deg, #0d2a54 0%, #1a4480 50%, #c9a13b 100%);
}

.billing-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  padding: 1.5rem 1.6rem;
  border-radius: var(--radius-lg);
  background: var(--billing-gradient);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.billing-hero h1 {
  color: #fff;
  font-size: 1.85rem;
  margin-bottom: 0.35rem;
}

.billing-lead {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1rem;
  line-height: 1.5;
  margin: 0;
}

.billing-balance-num {
  color: var(--gold-soft);
}

.billing-balance-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  min-width: 120px;
}

.billing-balance-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.billing-balance-big {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--gold-soft);
  font-family: Georgia, "Palatino Linotype", Palatino, serif;
}

.billing-balance-sub {
  font-size: 0.8rem;
  opacity: 0.75;
}

.billing-intro {
  margin-bottom: 2rem;
  border-left: 4px solid var(--gold);
  background: linear-gradient(180deg, #fff 0%, #faf8f4 100%);
}

.billing-intro h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--royal-deep);
}

.billing-intro > p {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.billing-how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.billing-how-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.billing-how-icon {
  font-size: 1.75rem;
  display: block;
  margin-bottom: 0.35rem;
}

.billing-how-step strong {
  display: block;
  color: var(--royal);
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.billing-how-step p {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}

.billing-intro-foot {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.billing-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.section-icon {
  font-size: 1.1rem;
}

.plan-grid-equal {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.35rem;
  align-items: stretch;
}

.plan-card-rich {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 2px solid var(--line);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.plan-card-rich:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(13, 42, 84, 0.14);
  border-color: var(--plan-accent, var(--gold));
}

.plan-card-rich.featured {
  border-color: var(--gold);
  box-shadow: 0 8px 28px rgba(201, 161, 59, 0.25);
}

.plan-card-image {
  position: relative;
  height: 130px;
  background-size: cover;
  background-position: center;
  background-color: var(--royal);
}

.plan-card-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(8, 28, 56, 0.55) 100%);
}

.plan-card-icon {
  position: absolute;
  bottom: 10px;
  left: 12px;
  z-index: 1;
  font-size: 1.75rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.plan-card-rich .plan-badge {
  z-index: 2;
  top: 10px;
  right: 10px;
}

.plan-card-body {
  padding: 1.15rem 1.2rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.3rem;
  background: #fff;
}

.plan-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--plan-accent, var(--royal));
}

.plan-card-rich h3 {
  font-size: 1.2rem;
  color: var(--royal-deep);
  margin: 0;
}

.plan-card-rich .plan-price {
  font-size: 1.75rem;
  margin: 0.15rem 0;
}

.plan-card-rich .plan-price small {
  font-size: 0.55em;
  color: var(--muted);
  font-weight: 400;
}

.plan-credits-icon {
  margin-right: 0.2rem;
}

.plan-features {
  list-style: none;
  margin: 0.5rem 0 0.75rem;
  padding: 0;
  flex: 1;
}

.plan-features li {
  font-size: 0.84rem;
  color: var(--muted);
  padding: 0.28rem 0 0.28rem 1.35rem;
  position: relative;
  line-height: 1.4;
}

.plan-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.plan-card-rich .btn {
  margin-top: auto;
}

.plan-muted-btn {
  display: block;
  text-align: center;
  padding: 0.65rem;
  font-size: 0.85rem;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  margin-top: auto;
}

.billing-contact-note {
  margin-top: 1.5rem;
  text-align: center;
}

@media (max-width: 639px) {
  body.page-logged-in .sidebar {
    transform: translateX(-102%) !important;
  }

  body.page-logged-in .sidebar.open {
    transform: translateX(0) !important;
  }

  body.page-logged-in .app-main {
    margin-left: 0 !important;
    max-width: 100%;
    padding: 4.2rem 1rem 1.25rem;
  }

  body.page-logged-in .sidebar-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }
}

@media print {
  @page {
    margin: 14mm;
  }

  body {
    background: #fff;
    color: #111;
    font-size: 11pt;
  }

  .sidebar,
  .mark-toolbar,
  .mark-header,
  .mark-subbar,
  .mark-footer,
  .voice-panel,
  .btn,
  .modal-overlay,
  .toast {
    display: none !important;
  }

  .app-main {
    margin: 0;
    padding: 0;
  }

  .card,
  .qcard,
  .sheet-meta,
  .upload-card,
  .context-card {
    background: #fff !important;
    border: 1px solid #c9c9c9 !important;
    box-shadow: none !important;
  }

  .marking-layout {
    display: block;
  }

  .marking-summary {
    border: 1px solid #c9c9c9;
    margin-bottom: 8mm;
  }

  .total-badge {
    color: #111 !important;
    background: #f2f2f2 !important;
    border: 1px solid #d2d2d2;
  }

  .qcard {
    break-inside: avoid;
    margin-bottom: 4mm;
  }

  a[href]::after {
    content: "";
  }
}

/* Site footer */
.site-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding: 2rem 1rem 3.5rem;
  text-align: center;
  border-top: 1px solid var(--line, #dde3ec);
  background: linear-gradient(180deg, transparent 0%, rgba(27, 34, 48, 0.03) 100%);
  position: relative;
  z-index: 10;
  width: 100%;
}

.site-footer-owl {
  font-size: 2.2rem;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.site-footer-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--royal, #1b3048);
  margin-bottom: 0.65rem;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
}

.site-footer-link-btn {
  color: var(--royal, #1b3048);
  text-decoration: underline;
  text-underline-offset: 2px;
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  padding: 0.25rem 0;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-footer-links a {
  color: var(--royal, #1b3048);
  text-decoration: underline;
  text-underline-offset: 2px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.site-footer-links a:hover,
.site-footer-link-btn:hover {
  text-decoration: underline;
  color: var(--gold, #c98a2b);
}

.site-footer-assoc {
  font-size: 0.72rem;
  color: var(--muted, #6b7280);
  margin: 0;
}

.site-footer-assoc a {
  color: var(--muted, #6b7280);
  text-decoration: underline;
}

.guest-mark .site-footer {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.resume-mark-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: linear-gradient(135deg, #fff8e6 0%, #fff3d2 100%);
  border: 1px solid #e8c878;
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: #5a4200;
}

.about-modal-card a {
  color: var(--royal);
  font-weight: 600;
}

.contact-email-line {
  font-size: 1.05rem;
  font-weight: 600;
}

body.page-logged-in .app-main {
  padding-bottom: 2rem;
}

@media (max-width: 720px) {
  .page-mark-in-shell .mark-subbar {
    flex-direction: column;
    align-items: stretch;
  }

  .page-mark-in-shell .mark-toolbar-credits {
    margin-left: 0;
    justify-content: space-between;
    width: 100%;
  }

  .page-mark-in-shell .mark-toolbar-right {
    width: 100%;
    justify-content: flex-end;
  }

  .site-footer {
    padding: 1.5rem 0.75rem 4rem;
  }

  .site-footer-owl {
    font-size: 1.8rem;
  }
}