/* Thinkora Accessibility & Inclusivity Center — V91 / RC6.16
   Designed as a non-destructive override loaded after product themes. */
:root{
  --a11y-focus:#0b78ff;
  --a11y-focus-ring:0 0 0 4px rgba(11,120,255,.24);
  --a11y-panel-bg:#fff;
  --a11y-panel-text:#10233d;
  --a11y-panel-muted:#5f7187;
  --a11y-panel-line:#dbe7f5;
  --a11y-panel-soft:#f4f8fd;
  --a11y-panel-blue:#0877f9;
  --a11y-panel-blue-2:#00bfe8;
}

/* Baseline WCAG-oriented focus behavior, independent of user profile. */
:where(a,button,input,select,textarea,summary,[role="button"],[tabindex]):focus-visible{
  outline:3px solid var(--a11y-focus)!important;
  outline-offset:3px!important;
}
:where(button,.btn,a,input,select,textarea,summary,[role="button"]){scroll-margin:88px}

/* Theme --------------------------------------------------------------- */
html[data-a11y-effective-theme="light"]{color-scheme:light}
html[data-a11y-effective-theme="dark"]{color-scheme:dark;--a11y-panel-bg:#101b2d;--a11y-panel-text:#f5f8ff;--a11y-panel-muted:#bcc9db;--a11y-panel-line:#2f4059;--a11y-panel-soft:#17263b;--a11y-focus:#6ccfff}
html[data-a11y-effective-theme="dark"] body{background:#0b1422!important;color:#eef4ff!important}
html[data-a11y-effective-theme="dark"] :where(.pa-admin-main,.public-main,.pa-admin-content,.section,.app-welcome,.student-workspace,.learning-shell,.activity-shell,.study-v45-shell,.pres-student-shell){background-color:#0b1422!important;color:#eef4ff}
html[data-a11y-effective-theme="dark"] :where(.panel,.card,.section,.info-card,.pro-panel,.login-card,.sub-card,.scanner-app-card,.thinkora-admin-hero,.activity-question-panel,.activity-card,.student-card,.study-v45-card,.pres-student-card,.public-appbar,.pa-admin-top,.pa-command-dialog,dialog){background:#121f32!important;color:#eef4ff!important;border-color:#30435e!important}
html[data-a11y-effective-theme="dark"] :where(input,select,textarea,.input,.select){background:#0c1828!important;color:#f7fbff!important;border-color:#415776!important}
html[data-a11y-effective-theme="dark"] :where(.muted,small,.hint,.help,.text-muted,.pa-top-context small,.public-appbar-context small){color:#b8c5d8!important}
html[data-a11y-effective-theme="dark"] :where(table,th,td){border-color:#344a67!important}
html[data-a11y-effective-theme="dark"] :where(th){background:#192a40!important;color:#f4f8ff!important}
html[data-a11y-effective-theme="dark"] :where(.badge,.chip,.pill,[class*="badge-"]){border-color:#405878}
html[data-a11y-effective-theme="dark"] img{opacity:.96}
html[data-a11y-effective-theme="dark"] :where(.scanner-app-hero,.scanner-app-card,.scanner-session,.scanner-quick-actions,.scanner-app-footer){color:#eef4ff!important;border-color:#30435e!important}
html[data-a11y-effective-theme="dark"] :where(.scanner-app-hero,.scanner-app-card,.scanner-quick-actions,.scanner-app-footer){background:#121f32!important}
html[data-a11y-effective-theme="dark"] .scanner-session{background:#17263b!important}
html[data-a11y-effective-theme="dark"] :where(.scanner-app-hero,.scanner-app-card,.scanner-session,.scanner-quick-actions,.scanner-app-footer) :where(h1,h2,h3,strong){color:#f5f8ff!important}
html[data-a11y-effective-theme="dark"] :where(.scanner-app-hero,.scanner-app-card,.scanner-session,.scanner-quick-actions,.scanner-app-footer) :where(p,small,span:not(.scanner-app-status)){color:#c1cede!important}

/* High contrast ------------------------------------------------------- */
html[data-a11y-contrast="high"]{--a11y-focus:#ffbf00}
html[data-a11y-contrast="high"] body{background:#fff!important;color:#000!important}
html[data-a11y-contrast="high"][data-a11y-effective-theme="dark"] body{background:#000!important;color:#fff!important}
html[data-a11y-contrast="high"] :where(.panel,.card,.section,.info-card,.pro-panel,.login-card,.sub-card,.scanner-app-card,.thinkora-admin-hero,.activity-question-panel,.activity-card,.student-card,.study-v45-card,.pres-student-card,.public-appbar,.pa-admin-top,dialog){box-shadow:none!important;border:2px solid currentColor!important}
html[data-a11y-contrast="high"] :where(input,select,textarea,.input,.select,button,.btn,[role="button"],summary){border-width:2px!important;border-color:currentColor!important}
html[data-a11y-contrast="high"] a{text-decoration:underline!important;text-decoration-thickness:2px!important;text-underline-offset:3px}
html[data-a11y-contrast="high"] :where(.muted,small,.hint,.help,.text-muted){color:inherit!important;opacity:.88}

/* Text --------------------------------------------------------------- */
html[data-a11y-text="115"]{font-size:18.4px}
html[data-a11y-text="130"]{font-size:20.8px}
html[data-a11y-text="150"]{font-size:24px}
html[data-a11y-spacing="relaxed"] body{line-height:1.72;letter-spacing:.012em;word-spacing:.035em}
html[data-a11y-spacing="wide"] body{line-height:1.9;letter-spacing:.045em;word-spacing:.09em}
html[data-a11y-font="readable"] :where(body,button,input,select,textarea){font-family:Verdana,Arial,Tahoma,sans-serif!important}
html[data-a11y-links="on"] a:not(.btn):not([class*="button"]){text-decoration:underline!important;text-decoration-thickness:2px!important;text-underline-offset:3px!important}

/* Interaction -------------------------------------------------------- */
html[data-a11y-targets="large"] :where(button,.btn,[role="button"],summary,input[type="checkbox"],input[type="radio"],.app-nav a,.public-nav a,.pa-side-nav a){min-width:44px;min-height:48px}
html[data-a11y-targets="large"] :where(.btn,button,.app-nav a,.public-nav a,.pa-side-nav a){padding-block:max(.65rem,10px)}
html[data-a11y-focus="strong"] :where(a,button,input,select,textarea,summary,[role="button"],[tabindex]):focus-visible{outline:4px solid var(--a11y-focus)!important;outline-offset:4px!important;box-shadow:var(--a11y-focus-ring)!important}

/* Motion ------------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
html[data-a11y-motion="reduce"] *,html[data-a11y-motion="reduce"] *::before,html[data-a11y-motion="reduce"] *::after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}

/* Sensory/focus modes ------------------------------------------------ */
html[data-a11y-focus-mode="on"] body{background-image:none!important}
html[data-a11y-focus-mode="on"] :where(.thinkora-admin-hero__visual,.pa-sidebar-decoration,[class*="decorative"],[class*="ornament"]){display:none!important}
html[data-a11y-focus-mode="on"] :where(.panel,.card,.section,.thinkora-admin-hero,.activity-card,.student-card){box-shadow:none!important}
html[data-a11y-color="grayscale"] body{filter:grayscale(1)}
html[data-a11y-color="safe"] :where(.correct,.is-correct,.option-correct,.paper51-cell-correct,.success,.is-success,.alert-success){color:#004f8c!important;border-color:#0077cc!important;background:#e8f4ff!important}
html[data-a11y-color="safe"] :where(.wrong,.is-wrong,.incorrect,.is-incorrect,.danger,.is-danger,.error,.is-error,.alert-danger,.paper51-cell-wrong){color:#713600!important;border-color:#d97706!important;background:#fff4df!important}
html[data-a11y-color="safe"][data-a11y-effective-theme="dark"] :where(.correct,.is-correct,.option-correct,.paper51-cell-correct,.success,.is-success,.alert-success){color:#bde5ff!important;background:#102d45!important}
html[data-a11y-color="safe"][data-a11y-effective-theme="dark"] :where(.wrong,.is-wrong,.incorrect,.is-incorrect,.danger,.is-danger,.error,.is-error,.alert-danger,.paper51-cell-wrong){color:#ffd59a!important;background:#3e2a10!important}

/* Reading guide ------------------------------------------------------ */
.a11y-reading-guide{position:fixed;z-index:2147483000;left:0;right:0;height:3.2rem;top:40%;pointer-events:none;display:none;border-top:2px solid rgba(8,119,249,.5);border-bottom:2px solid rgba(8,119,249,.5);background:rgba(77,184,255,.10);box-shadow:0 -100vh 0 100vh rgba(10,26,48,.12)}
html[data-a11y-guide="on"] .a11y-reading-guide{display:block}
html[data-a11y-effective-theme="dark"] .a11y-reading-guide{background:rgba(0,191,232,.13);box-shadow:0 -100vh 0 100vh rgba(0,0,0,.18)}

/* Accessibility launcher ------------------------------------------- */
.a11y-launcher{display:inline-flex;align-items:center;justify-content:center;gap:.42rem;min-width:44px;min-height:44px;padding:.55rem .72rem;border:1px solid #d7e6f7;border-radius:13px;background:#fff;color:#0a4c9f;box-shadow:0 5px 16px rgba(3,57,119,.09);font:700 .88rem/1 system-ui,-apple-system,"Segoe UI",sans-serif;cursor:pointer;white-space:nowrap}
.a11y-launcher:hover{background:#eef7ff;border-color:#9fc9ff}
.a11y-launcher svg{width:21px;height:21px;flex:0 0 auto}
.a11y-launcher--floating{position:fixed;z-index:2147482000;right:18px;bottom:20px;border-color:#bcd7fb}
.has-student-bottom-nav .a11y-launcher--floating{bottom:104px}
html[data-a11y-effective-theme="dark"] .a11y-launcher{background:#162840;color:#dff3ff;border-color:#355070}
@media(max-width:760px){.a11y-launcher .a11y-launcher-label{display:none}.a11y-launcher{width:44px;padding:0}.a11y-launcher--floating{right:12px;bottom:84px}}

/* Panel -------------------------------------------------------------- */
.a11y-layer[hidden]{display:none!important}
.a11y-layer{position:fixed;z-index:2147483500;inset:0;display:grid;place-items:stretch end;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.a11y-backdrop{position:absolute;inset:0;border:0;border-radius:0;background:rgba(5,17,34,.55);backdrop-filter:blur(2px);cursor:default}
.a11y-dialog{position:relative;z-index:1;width:min(470px,calc(100vw - 18px));height:100%;overflow:auto;overscroll-behavior:contain;background:var(--a11y-panel-bg);color:var(--a11y-panel-text);box-shadow:-18px 0 50px rgba(1,27,64,.24);border-left:1px solid var(--a11y-panel-line);padding:0}
.a11y-dialog-header{position:sticky;top:0;z-index:3;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:20px 20px 16px;background:color-mix(in srgb,var(--a11y-panel-bg) 94%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--a11y-panel-line)}
.a11y-dialog-title{display:flex;gap:12px;align-items:center}.a11y-dialog-title svg{width:30px;height:30px;color:var(--a11y-panel-blue)}
.a11y-dialog-title h2{margin:0;font-size:1.25rem;line-height:1.2;color:inherit}.a11y-dialog-title p{margin:.28rem 0 0;color:var(--a11y-panel-muted);font-size:.8rem}
.a11y-close{flex:0 0 auto;width:42px;height:42px;border:1px solid var(--a11y-panel-line);border-radius:12px;background:var(--a11y-panel-soft);color:inherit;font-size:1.35rem;cursor:pointer}
.a11y-dialog-body{padding:18px 20px 28px}
.a11y-profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-bottom:18px}.a11y-profile{display:flex;align-items:flex-start;gap:9px;min-height:66px;padding:11px;border:1px solid var(--a11y-panel-line);border-radius:14px;background:var(--a11y-panel-soft);color:inherit;text-align:left;cursor:pointer}.a11y-profile:hover{border-color:#9cc6fb}.a11y-profile strong{display:block;font-size:.87rem}.a11y-profile small{display:block;margin-top:3px;color:var(--a11y-panel-muted);font-size:.72rem;line-height:1.3}.a11y-profile-icon{font-size:1.15rem;line-height:1.1}
.a11y-group{margin:0 0 16px;border:1px solid var(--a11y-panel-line);border-radius:16px;background:var(--a11y-panel-bg);overflow:hidden}.a11y-group>h3{margin:0;padding:13px 14px;background:var(--a11y-panel-soft);font-size:.88rem;letter-spacing:.01em}.a11y-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;padding:12px 14px;border-top:1px solid var(--a11y-panel-line)}.a11y-group>h3+.a11y-row{border-top:0}.a11y-row-copy strong{display:block;font-size:.86rem}.a11y-row-copy small{display:block;color:var(--a11y-panel-muted);font-size:.72rem;line-height:1.35;margin-top:2px}
.a11y-segment{display:flex;gap:4px;padding:3px;border:1px solid var(--a11y-panel-line);border-radius:11px;background:var(--a11y-panel-soft)}.a11y-segment button{min-width:38px;min-height:35px;padding:6px 8px;border:0;border-radius:8px;background:transparent;color:inherit;font-weight:700;font-size:.76rem;cursor:pointer}.a11y-segment button[aria-pressed="true"]{background:var(--a11y-panel-blue);color:#fff;box-shadow:0 2px 7px rgba(8,119,249,.25)}
.a11y-switch{position:relative;width:48px;height:28px;flex:0 0 auto;border:0;border-radius:999px;background:#cbd8e8;cursor:pointer;padding:0}.a11y-switch::after{content:"";position:absolute;width:22px;height:22px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,.18);transition:transform .18s ease}.a11y-switch[aria-pressed="true"]{background:linear-gradient(135deg,var(--a11y-panel-blue),var(--a11y-panel-blue-2))}.a11y-switch[aria-pressed="true"]::after{transform:translateX(20px)}
html[data-a11y-motion="reduce"] .a11y-switch::after{transition:none}
.a11y-audio-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;padding:12px 14px;border-top:1px solid var(--a11y-panel-line)}.a11y-audio-actions button,.a11y-footer button{min-height:42px;border:1px solid var(--a11y-panel-line);border-radius:11px;background:var(--a11y-panel-soft);color:inherit;font-weight:700;cursor:pointer}.a11y-audio-actions button:first-child{background:var(--a11y-panel-blue);color:#fff;border-color:var(--a11y-panel-blue)}
.a11y-status{min-height:1.3em;padding:0 14px 12px;color:var(--a11y-panel-muted);font-size:.75rem}
.a11y-shortcuts{margin:0;padding:12px 14px 14px 30px;color:var(--a11y-panel-muted);font-size:.78rem;line-height:1.55}.a11y-shortcuts kbd{display:inline-block;padding:1px 5px;border:1px solid var(--a11y-panel-line);border-radius:5px;background:var(--a11y-panel-soft);color:var(--a11y-panel-text);font:700 .7rem/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}
.a11y-footer{display:flex;gap:8px;justify-content:flex-end;margin-top:8px}.a11y-footer button{padding:8px 12px}.a11y-footer .a11y-reset{margin-right:auto}
.a11y-sr{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}
.a11y-disabled-note{padding:10px 14px;color:var(--a11y-panel-muted);font-size:.76rem;line-height:1.4}

@media(max-width:600px){.a11y-layer{place-items:end stretch}.a11y-dialog{width:100%;height:min(88vh,760px);border-left:0;border-top:1px solid var(--a11y-panel-line);border-radius:22px 22px 0 0;box-shadow:0 -16px 44px rgba(1,27,64,.22)}.a11y-dialog-header{padding:16px 16px 13px}.a11y-dialog-body{padding:14px 14px 24px}.a11y-profile-grid{grid-template-columns:1fr 1fr}.a11y-row{padding:11px 12px}.a11y-row:has(.a11y-segment){grid-template-columns:1fr}.a11y-segment{justify-self:stretch}.a11y-segment button{flex:1}.a11y-audio-actions{grid-template-columns:1fr 1fr}.a11y-audio-actions button:first-child{grid-column:1/-1}}

@media print{.a11y-launcher,.a11y-layer,.a11y-reading-guide{display:none!important}html[data-a11y-color="grayscale"] body{filter:none!important}}


/* Keyboard skip link & focus visibility -------------------------------- */
html{scroll-padding-top:84px}
.a11y-skip-link{position:fixed;z-index:2147483600;left:16px;top:12px;transform:translateY(-180%);padding:10px 14px;border:2px solid #fff;border-radius:10px;background:#073b88;color:#fff!important;font:800 .9rem/1.2 system-ui,-apple-system,"Segoe UI",sans-serif;box-shadow:0 8px 24px rgba(0,0,0,.24);transition:transform .16s ease}
.a11y-skip-link:focus{transform:translateY(0)}
html[data-a11y-motion="reduce"] .a11y-skip-link{transition:none}

/* Captions/transcripts --------------------------------------------------- */
.question-media-transcript{margin:.7rem 0 0;border:1px solid var(--a11y-panel-line,#d8e4f2);border-radius:12px;background:var(--a11y-panel-soft,#f5f9ff);overflow:hidden}
.question-media-transcript>summary{cursor:pointer;min-height:42px;display:flex;align-items:center;padding:.6rem .8rem;font-weight:800;color:inherit}
.question-media-transcript__body{padding:.75rem .85rem;border-top:1px solid var(--a11y-panel-line,#d8e4f2);white-space:pre-wrap;line-height:1.65}
html[data-a11y-effective-theme="dark"] .question-media-transcript{background:#13253b;border-color:#355070}

/* Keyboard-operable spatial answers ------------------------------------ */
.activity-point-response-v776:focus-visible{outline:4px solid var(--a11y-focus,#0877f9)!important;outline-offset:4px!important}
.activity-point-kbd-help{display:block;margin-top:.45rem;color:inherit}

/* Windows/high-contrast assistive mode --------------------------------- */
@media (forced-colors:active){.a11y-launcher,.a11y-dialog,.a11y-profile,.a11y-group,.a11y-segment,.a11y-switch,.question-media-transcript{forced-color-adjust:auto;border:1px solid CanvasText}.a11y-switch[aria-pressed="true"]{outline:2px solid Highlight}.a11y-reading-guide{border-color:Highlight;background:transparent}.a11y-profile-icon{forced-color-adjust:none}}

/* Authoring accessibility quality --------------------------------------- */
.question-a11y-quality{display:inline-flex;align-items:center;gap:.35rem;margin:.45rem 0 0 .6rem;padding:.28rem .55rem;border-radius:999px;font-size:.74rem;font-weight:800;vertical-align:middle}.question-a11y-quality::before{content:"✓"}.question-a11y-quality.is-complete{background:#e8f7f1;color:#0b6b4b;border:1px solid #a8dfca}.question-a11y-quality.has-warning{background:#fff5dd;color:#7a4800;border:1px solid #f3ce79}.question-a11y-quality.has-warning::before{content:"!"}html[data-a11y-effective-theme="dark"] .question-a11y-quality.is-complete{background:#12382d;color:#bdf3df;border-color:#326d5a}html[data-a11y-effective-theme="dark"] .question-a11y-quality.has-warning{background:#3d2d12;color:#ffe0a0;border-color:#775c25}