/* Examonkey shared theme. Vendor CSS stays unchanged. Text pairs >= 7:1. */
:root {
  --em-black: #000000;
  --em-navy: #14213d;
  --em-orange: #fca311;
  --em-apricot: #f1c47b;
  --em-wheat: #ebd5b0;
  --em-bone: #e8ddcb;
  --em-gray: #e5e5e5;
  --em-white: #ffffff;
  --em-danger: #8b0000;
  --em-danger-hover: #6f0000;
  --em-success: #005a2b;
  --em-success-hover: #004020;
  --em-page: var(--em-gray);
  --em-surface: var(--em-white);
  --em-panel: var(--em-bone);
  --em-ink: var(--em-black);
  --em-text: var(--em-navy);
  --em-line: var(--em-navy);
  --em-focus: var(--em-navy);
  --em-focus-gap: var(--em-white);
}
:root[data-reading-colors="warm"] {
  --em-page: var(--em-bone);
  --em-surface: var(--em-bone);
  --em-panel: var(--em-wheat);
}
:root[data-reading-colors="dark"] {
  --em-page: var(--em-black);
  --em-surface: var(--em-navy);
  --em-panel: var(--em-black);
  --em-ink: var(--em-white);
  --em-text: var(--em-white);
  --em-line: var(--em-white);
  --em-focus: var(--em-white);
  --em-focus-gap: var(--em-navy);
  color-scheme: dark;
}
html { scroll-padding-block: 1rem; }
body { background: var(--em-page); color: var(--em-ink); font-size: 1rem; line-height: 1.5; }
h1,h2,h3,h4,h5,h6 { color: var(--em-text); overflow-wrap: anywhere; }
a, a:visited { color: var(--em-text); text-decoration: underline; text-underline-offset: .2em; }
a:hover, a:active { color: var(--em-text); text-decoration-thickness: .15em; }
p { max-width: 75ch; }
code, pre { color: var(--em-text); }
small, .small, .badge, .form-control-sm, .btn-sm { font-size: 1rem; }
.text-muted, .muted, .spec-note, .text-secondary { color: var(--em-text) !important; opacity: 1; }
.text-primary, .text-info, .text-warning { color: var(--em-text) !important; }
.text-danger, .invalid-feedback { color: var(--em-danger) !important; }
.text-success, .valid-feedback { color: var(--em-success) !important; }
[data-reading-colors="dark"] :is(.text-danger,.invalid-feedback,.text-success,.valid-feedback,.score-warning) { color: var(--em-white) !important; }
:root[data-reading-spacing="wide"] :is(p, .question-rc, .answer-rc, .remark-rc, .note-editable) { line-height: 1.8; text-align: start; }
:root[data-reading-spacing="wide"] p { margin-block-end: 2.7em; }
:root[data-reading-spacing="wide"] :is(.spec-main,.content) { max-width: 80rem; margin-inline: auto; }
/* !important defeats Bootstrap focus/utility declarations, not author content. */
:where(a,button,input,select,textarea,summary,[tabindex],[contenteditable="true"]):focus-visible {
  outline: 3px solid var(--em-focus) !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 0 3px var(--em-focus-gap) !important;
}
.skip-link { position: fixed; inset-block-start: 8px; inset-inline-start: 8px; z-index: 10000; transform: translateY(-200%); background: var(--em-white); color: var(--em-navy); padding: 12px 18px; }
.skip-link:focus { transform: none; color: var(--em-navy); }
#main-content { scroll-margin-block-start: 1rem; }
#main-content:focus { outline: none; }
.sr-only, .visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
/* Shared button aliases preserve existing handlers and markup. */
.btn, button, input[type="submit"], summary { min-height: 44px; }
.btn, button, input[type="submit"] { min-width: 44px; }
.btn { font-weight: 700; border-radius: 8px; white-space: normal; text-decoration: none; }
.btn-color1, .btn-primary, .btn-warning, .student-action-submit,
.spec-hero.home .spec-actions .btn-color1, .nav-actions > .btn {
  background: var(--em-orange) !important; color: var(--em-navy) !important; border: 2px solid var(--em-navy) !important;
}
:is(.btn-color1,.btn-primary,.btn-warning,.student-action-submit):hover,
.spec-hero.home .spec-actions .btn-color1:hover, .nav-actions > .btn:hover { background: var(--em-apricot) !important; }
:is(.btn-color1,.btn-primary,.btn-warning,.student-action-submit):active,
.spec-hero.home .spec-actions .btn-color1:active, .nav-actions > .btn:active { background: var(--em-wheat) !important; }
.btn-color2, .btn-secondary, .btn-info { background: var(--em-navy); color: var(--em-white); border: 2px solid var(--em-navy); }
:is(.btn-color2,.btn-secondary,.btn-info):is(:hover,:active,:focus), .btn-color2:visited { background: var(--em-black); color: var(--em-white); border-color: var(--em-black); }
.btn-light, .btn-default, .btn-outline-primary, .btn-outline-secondary, .btn-link, .note-btn { background: var(--em-surface); color: var(--em-text); border: 1px solid var(--em-line); }
:is(.btn-light,.btn-default,.btn-outline-primary,.btn-outline-secondary,.note-btn):is(:hover,:active), .dropdown-item:is(:hover,:focus,.active), .page-item.active .page-link { background: var(--em-navy); color: var(--em-white); }
.btn-danger, .red { background: var(--em-danger) !important; color: var(--em-white) !important; border-color: var(--em-danger) !important; }
:is(.btn-danger,.red):is(:hover,:active) { background: var(--em-danger-hover) !important; border-color: var(--em-danger-hover) !important; }
.btn-success, .green { background: var(--em-success); color: var(--em-white); border-color: var(--em-success); }
:is(.btn-success,.green):is(:hover,:active) { background: var(--em-success-hover); color: var(--em-white); border-color: var(--em-success-hover); }
.btn:disabled, .btn.disabled, button:disabled, [aria-disabled="true"].btn { background: var(--em-gray) !important; color: var(--em-navy) !important; border: 2px dashed var(--em-navy) !important; opacity: 1 !important; cursor: not-allowed; }
.bg-primary, .bg-info, .bg-secondary, .badge-primary, .badge-info { background-color: var(--em-navy) !important; color: var(--em-white) !important; }
.bg-warning, .badge-warning { background-color: var(--em-orange) !important; color: var(--em-navy) !important; }
.bg-success, .badge-success { background-color: var(--em-success) !important; color: var(--em-white) !important; }
.bg-danger, .badge-danger { background-color: var(--em-danger) !important; color: var(--em-white) !important; }
.bg-light, .bg-white { background-color: var(--em-surface) !important; color: var(--em-text); }
.badge { line-height: 1.4; white-space: normal; }
/* Forms, third-party widgets, and messages. */
.form-control, .form-select, select, textarea, .custom-select, .input-group-text, .note-editor.note-frame, .note-editor .note-editing-area .note-editable {
  background-color: var(--em-surface); color: var(--em-text); border-color: var(--em-line); font-size: 1rem;
}
.form-control, .form-select, select, .custom-select { min-height: 44px; height: auto; }
.form-control:focus, .form-select:focus { color: var(--em-text); background: var(--em-surface); border-color: var(--em-line); }
.form-control::placeholder, input::placeholder, textarea::placeholder { color: var(--em-text); opacity: 1; }
.form-control:disabled, .form-control[readonly] { background: var(--em-panel); color: var(--em-text); opacity: 1; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--em-navy); width: 1.3rem; height: 1.3rem; }
.form-check { min-height: 44px; padding-block: 8px; }
.form-check-label, .checkbox-inline { min-height: 44px; align-content: center; }
label { color: var(--em-text); }
.alert { color: var(--em-text); background: var(--em-panel); border: 1px solid var(--em-line); border-inline-start-width: 5px; }
.alert-danger { background: var(--em-white); color: var(--em-danger); border-color: var(--em-danger); }
.alert-success { background: var(--em-white); color: var(--em-success); border-color: var(--em-success); }
.alert :is(a,.alert-link) { color: inherit; }
.modal-content, .dropdown-menu, .popover, .ui-widget-content, .note-toolbar, .note-statusbar { background: var(--em-surface) !important; color: var(--em-text); border-color: var(--em-line) !important; }
.dropdown-item, .page-link, .ui-widget-content a { color: var(--em-text); }
.page-link { background: var(--em-surface); min-width: 44px; min-height: 44px; }
.close, .btn-close { color: var(--em-text); opacity: 1; min-width: 44px; min-height: 44px; }
.note-editor .note-toolbar .note-btn { font-size: 1rem; }
.note-editor.note-frame { border: 1px solid var(--em-line); }
.note-editor .note-statusbar .note-resizebar { min-height: 14px; }
.note-editor .note-editable { min-height: 160px; }
/* Public surfaces. The image is decorative and never behind text. */
.marketing-header, .header, .navbar-custom, .footer, .spec-cta {
  background: var(--em-navy); color: var(--em-white);
  --em-focus: var(--em-white); --em-focus-gap: var(--em-navy);
}
.marketing-header, .header.fixed-top { position: relative; inset: auto; margin: 0; }
.marketing-header { border-bottom: 2px solid var(--em-navy); }
.marketing-header :is(.nav-links a,.login-link), .footer :is(a,h2,p), .spec-cta :is(h2,p,a:not(.btn)) { color: var(--em-white); }
.marketing-header :is(.nav-links a,.login-link):hover, .footer a:hover { color: var(--em-orange); }
.brand-tools > a, .admin-header-logo > a, .student-logo > a { background: var(--em-white); border-radius: 6px; padding: 4px; display: inline-flex; }
.marketing-nav, .nav-actions, .brand-tools { flex-wrap: wrap; }
.nav-links a, .login-link, .footer a { display: inline-flex; min-height: 44px; align-items: center; }
.mobile-menu-panel { inset-inline-end: 0; inset-inline-start: auto; max-height: 70vh; overflow-y: auto; padding: 18px 22px; background: var(--em-surface); border-color: var(--em-line); --em-focus: var(--em-text); --em-focus-gap: var(--em-surface); }
.mobile-menu-panel a { color: var(--em-text); }
.hero, .spec-hero.home { background: var(--em-navy); color: var(--em-white); --em-focus: var(--em-white); --em-focus-gap: var(--em-navy); }
.hero-shade { background: none; }
.hero h1, .spec-hero.home :is(h1,.spec-note,.spec-eyebrow) { color: var(--em-white); opacity: 1; }
.spec-hero.home .spec-hero-grid > div:first-child { background: var(--em-navy); }
.spec-hero.home::after { content: ""; display: block; height: 150px; margin-top: 32px; background: url('/img/bg-top.jpg') center/cover no-repeat; }
.hero.compact, .spec-hero { background: var(--em-surface); color: var(--em-ink); }
.hero.compact h1, .hero.compact .secondary-link { color: var(--em-text); }
.spec-hero.home .spec-actions .secondary-link { color: var(--em-white); background: var(--em-navy); border: 2px solid var(--em-white); }
.spec-screen, .proof-screen { --em-focus: var(--em-text); --em-focus-gap: var(--em-surface); color: var(--em-text); }
.spec-hero.home :is(.spec-screen,.proof-screen) p { color: var(--em-text); }
.page-band.alt, .spec-section.alt, .feature-card, .pricing-card, .workflow-card, .spec-card, .spec-screen, .spec-screen-body, .proof-screen, .spec-row, .faq-item, .spec-faq details { background: var(--em-surface); color: var(--em-ink); }
.spec-card.featured { border: 2px solid var(--em-navy); box-shadow: 0 0 0 4px var(--em-orange); }
.spec-process-number, .question_number { background: var(--em-orange); color: var(--em-navy); }
.feature-icon, .spec-pill, .proof-pill { background: var(--em-wheat); color: var(--em-navy); }
.spec-eyebrow, .spec-label, .workflow-step { color: var(--em-text); font-size: 1rem; }
.spec-note, .spec-pill, .proof-pill { font-size: 1rem; }
.spec-screen-bar, .proof-bar { background: var(--em-navy); }
.spec-line, .proof-line { background: var(--em-gray); }
.spec-table, .comparison-table, .table { color: var(--em-ink); background: var(--em-surface); }
.spec-table th, .comparison-table th, .table thead th { background: var(--em-panel); color: var(--em-text); }
.table-striped tbody tr:nth-of-type(odd), .table-hover tbody tr:hover { background: var(--em-panel); color: var(--em-text); }
.table td, .table th, .spec-table td, .spec-table th, .comparison-table td, .comparison-table th { border-color: var(--em-line); }
.upload-drop, .ai-exam-dropzone { background: var(--em-surface); color: var(--em-text); border-color: var(--em-line); }
.ai-exam-dropzone.dragover { background: var(--em-wheat); color: var(--em-navy); border-color: var(--em-navy); }
/* App panels and compact actions. */
.question-rc { background: var(--em-surface); color: var(--em-ink); }
.answer-rc { background: var(--em-panel); color: var(--em-ink); }
.remark-rc { background: var(--em-wheat); color: var(--em-navy); }
.grade-rc { background: var(--em-apricot); color: var(--em-navy); }
.question-rc, .answer-rc, .remark-rc, .grade-rc { padding: 16px; overflow-wrap: anywhere; }
.student-exam-header { background: var(--em-navy); color: var(--em-white); }
.student-exam-header .student-exam-title { color: var(--em-white); white-space: normal; }
.student-status #saving { background: var(--em-wheat) !important; color: var(--em-navy); border-color: var(--em-navy); }
.student-action-save { color: var(--em-white) !important; min-width: 44px; min-height: 44px; }
.student-start-panel { background: var(--em-surface); border-color: var(--em-line); }
.admin-top-nav { flex-wrap: wrap; overflow: visible; padding: 6px; }
.admin-nav-button, .admin-create-exam, .admin-icon-only, .admin-icon-with-count, .admin-tests-table .action-btn { height: auto; min-height: 44px; max-width: none; white-space: normal; overflow: visible; }
.admin-icon-only { width: 44px; min-width: 44px; }
.admin-button-count { background: var(--em-white); color: var(--em-navy); font-size: 1rem; height: auto; min-height: 24px; }
.exam-status .toggle, .exam-status .toggle.btn, .exam-status .toggle-group .btn, .exam-status .toggle-handle { height: 44px !important; min-height: 44px; max-height: none; }
.exam-status { height: auto; min-height: 44px; }
.admin-table-wrapper, .table-responsive { padding: 7px; }
.admin-table-wrapper:focus-visible { outline-offset: -3px !important; }
.dashboard-summary-card, .dashboard-stack-wrap, .dashboard-student-row, .dashboard-stat-column { background: var(--em-surface); border-color: var(--em-line); }
.dashboard-summary-card span, .dashboard-student-main span, .dashboard-student-metrics, .dashboard-question-list span, .dashboard-loading, .dashboard-empty, .dashboard-legend { color: var(--em-text); font-size: 1rem; }
.dashboard-stack { background: var(--em-gray); border: 1px solid var(--em-line); }
.dashboard-stack-segment + .dashboard-stack-segment { border-inline-start: 2px solid var(--em-white); }
.dashboard-stack-right { background: var(--em-success); }
.dashboard-stack-wrong { background: repeating-linear-gradient(45deg,var(--em-danger) 0 4px,var(--em-white) 4px 6px); }
.dashboard-stack-open { background: repeating-linear-gradient(90deg,var(--em-navy) 0 6px,var(--em-white) 6px 8px); }
.dashboard-stack-blank { background: var(--em-white); border: 1px dashed var(--em-navy); }
.edit-loading-card, .edit-loading-card::before, .edit-loading-overlay { background: var(--em-navy); color: var(--em-white); }
.edit-loading-card p, .edit-loading-progress { color: var(--em-white); opacity: 1; }
.question-move-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 8px; }
/* Preferences are native controls, usable without an overlay or keyboard trap. */
.reading-preferences { background: var(--em-surface); color: var(--em-text); padding: 8px max(16px, calc((100% - 1140px) / 2)); }
.reading-preferences summary { cursor: pointer; width: fit-content; padding: 10px 6px; font-weight: 700; }
.reading-preferences .reading-controls { display: flex; flex-wrap: wrap; gap: 16px; padding: 8px; }
.reading-controls label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.reading-controls select { max-width: 100%; }
@media (max-width: 900px) {
  .marketing-nav { flex-wrap: wrap; }
  .nav-actions { margin: 0; flex-wrap: wrap; }
  .nav-lang-select { display: none; }
  .brand-tools img { max-width: min(170px, 60vw); }
  .spec-hero-grid, .spec-tour, .spec-tour.reverse { grid-template-columns: minmax(0,1fr); }
}
@media (max-width: 576px) {
  .content { padding: 12px; }
  .marketing-nav { justify-content: center; }
  .brand-tools { flex: 0 1 auto; }
  .nav-actions { justify-content: center; }
  .student-exam-header .student-exam-title { display: block; }
  .spec-hero h1 { font-size: clamp(1.8rem,8vw,2.35rem); }
  .spec-card, .spec-screen-body { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media (forced-colors: active) {
  :where(a,button,input,select,textarea,summary,[tabindex]):focus-visible { outline-color: Highlight !important; }
  .btn, .badge, .dashboard-stack { border: 1px solid ButtonText !important; }
  .dashboard-stack-segment { forced-color-adjust: auto; }
}

/* Focus and text remain legible inside dark navigation and nested light controls. */
.header label { color: var(--em-white); }
:is(.header,.marketing-header) :is(input,select,.btn-color1,.btn-color2) { --em-focus: var(--em-white); --em-focus-gap: var(--em-navy); }
.footer .spec-footer-grid a { display: flex; }
.admin-top-nav .admin-lang-select { width: auto !important; max-width: 100% !important; flex: 0 1 180px; }
.ai-exam-dropzone input[type="file"] { display: block; width: 100%; max-width: 100%; min-height: 44px; }
.note-editor .note-toolbar { display: flex; flex-wrap: wrap; }
.note-editor .note-toolbar .note-btn-group { margin-inline: 0 5px; }
.note-editor .note-toolbar .note-dropdown-menu { max-width: 90vw; }

.ai-exam-dropzone input[type="file"] { position: static; inset: auto; width: 100%; height: auto; opacity: 1; }