/* Shared Quizava teacher-tool layer: calm, editorial, and easy to scan. */
:where(.page, .shell) {
  --tool-ink: #37423b;
  --tool-muted: #657a6d;
  --tool-green: #3ac162;
  --tool-deep: #287a4d;
  --tool-tint: #ecf9f0;
  --tool-paper: #fffdf8;
  --tool-cream: #f8f4ea;
  --tool-line: #d6e4d9;
  --tool-gold: #bd8232;
}

:where(.page, .shell) {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--tool-green) 4%, transparent) 1px, transparent 1px) 0 0 / 34px 34px,
    var(--tool-cream);
}

:where(.page, .shell) .wrap {
  width: min(1280px, calc(100% - 40px));
}

:where(.page, .shell) .wordmark {
  color: var(--tool-ink);
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.28rem;
  letter-spacing: -0.07em;
}

:where(.page, .shell) .wordmark span { color: var(--tool-green); }

:where(.page, .shell) .nav,
:where(.page, .shell) .nav-meta,
:where(.page, .shell) .nav-note { color: var(--tool-muted); }

:where(.page, .shell) .hero,
:where(.page, .shell) .intro { animation: tool-reveal .55s cubic-bezier(.16, 1, .3, 1) both; }

:where(.page, .shell) .builder,
:where(.page, .shell) .panel,
:where(.page, .shell) .review,
:where(.page, .shell) .preview {
  border-radius: 12px;
  border-color: var(--tool-line);
  box-shadow: 0 18px 50px color-mix(in srgb, var(--tool-deep) 10%, transparent);
}

:where(.page, .shell) .builder,
:where(.page, .shell) .panel { background: var(--tool-paper); }

:where(.page, .shell) .review,
:where(.page, .shell) .preview { background: var(--tool-tint); }

:where(.page, .shell) input,
:where(.page, .shell) select,
:where(.page, .shell) textarea {
  border-radius: 6px;
  border-color: #c8d9cc;
}

:where(.page, .shell) input:focus-visible,
:where(.page, .shell) select:focus-visible,
:where(.page, .shell) textarea:focus-visible,
:where(.page, .shell) button:focus-visible,
:where(.page, .shell) a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--tool-green) 35%, transparent);
  outline-offset: 2px;
}

/* Language is a high-signal choice in every generator. Keep its select
   affordance consistent even though the surrounding tools use different
   form markup and typography. */
:where(.page, .shell, .ptq-body, .pack-page) .tool-language-field {
  position: relative;
}

:where(.page, .shell, .ptq-body, .pack-page) .tool-language-field > select {
  min-height: 2.75rem;
  padding-inline: .85rem 2.75rem;
  border-color: color-mix(in srgb, var(--tool-green, #5fcf80) 26%, var(--tool-line, #d6e4d9));
  background-color: color-mix(in srgb, var(--tool-tint, #ecf9f0) 42%, var(--tool-paper, #fffdf8));
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}

:where(.page, .shell, .ptq-body, .pack-page) .tool-language-field::after {
  content: "";
  position: absolute;
  inset-inline-end: 1rem;
  top: calc(50% + .55rem);
  width: .48rem;
  height: .48rem;
  border-inline-end: 1.5px solid var(--tool-deep, #287a4d);
  border-block-end: 1.5px solid var(--tool-deep, #287a4d);
  pointer-events: none;
  transform: translateY(-50%) rotate(45deg);
}

:where(.page, .shell, .ptq-body, .pack-page) .tool-language-field:hover > select {
  border-color: color-mix(in srgb, var(--tool-deep, #287a4d) 48%, var(--tool-line, #d6e4d9));
  background-color: color-mix(in srgb, var(--tool-tint, #ecf9f0) 68%, var(--tool-paper, #fffdf8));
}

:where(.page, .shell, .ptq-body, .pack-page) .tool-language-field:focus-within > select {
  border-color: var(--tool-deep, #287a4d);
  background-color: var(--tool-paper, #fffdf8);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--tool-green, #5fcf80) 22%, transparent);
}

:where([dir="rtl"]) .tool-language-field > select {
  text-align: right;
}

:where(.page, .shell) .button,
:where(.page, .shell) .pack-submit {
  border-radius: 6px;
  background: var(--tool-deep);
  box-shadow: 0 5px 0 color-mix(in srgb, var(--tool-deep) 80%, #10291b);
}

:where(.page, .shell) .button:hover,
:where(.page, .shell) .pack-submit:hover { transform: translateY(-1px); }

:where(.page, .shell) .status,
:where(.page, .shell) .badge { border-radius: 4px; }

:where(.page, .shell) .question,
:where(.page, .shell) .question-card,
:where(.page, .shell) .draft-question,
:where(.page, .shell) .guide-section,
:where(.page, .shell) .source-card,
:where(.page, .shell) .practice {
  border-radius: 7px;
}

:where(.page, .shell) .actions a,
:where(.page, .shell) .actions button,
:where(.page, .shell) .result-actions a {
  border-radius: 5px;
}

/* Keep the bot check in the decision moment: immediately before generation. */
:where(.page, .shell, .ptq-body, .pack-page) .quizava-turnstile {
  display: flex;
  align-items: center;
  width: min(100%, 340px);
  min-height: 74px;
  margin: 16px 0 14px;
  padding: 9px 12px;
  border: 1px solid color-mix(in srgb, var(--tool-green, #5fcf80) 28%, var(--tool-line, #d6e4d9));
  border-radius: 8px;
  background: color-mix(in srgb, var(--tool-tint, #ecf9f0) 72%, var(--tool-paper, #fffdf8));
  box-shadow: 0 5px 14px color-mix(in srgb, var(--tool-deep, #287a4d) 7%, transparent);
}

:where(.page, .shell) .submit .quizava-turnstile {
  flex: 0 0 100%;
  order: 2;
  margin: 2px 0 0;
}

:where(.page, .shell) .submit { flex-wrap: wrap; }
:where(.page, .shell) .submit-note { flex: 1 1 15rem; min-width: min(100%, 14rem); }
:where(.page, .shell) .submit .button { order: 3; margin-inline-start: auto; }

/* The verification and action share one calm, intentional final row. */
:where(.page, .shell) .submit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

:where(.page, .shell) .submit-note {
  grid-column: 1 / -1;
  grid-row: 1;
  min-width: 0;
}

:where(.page, .shell) .submit .quizava-turnstile {
  grid-column: 1;
  grid-row: 2;
  width: min(100%, 340px);
  flex: none;
}

:where(.page, .shell) .submit .button {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
}

:where(.page, .shell) .submit .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
}

/* Turnstile needs its own readable width; keep the CTA underneath it. */
:where(.page, .shell) .submit {
  grid-template-columns: 1fr;
}

:where(.page, .shell) .submit .quizava-turnstile,
:where(.page, .shell) .submit .button {
  grid-column: 1;
}

:where(.page, .shell) .submit .quizava-turnstile { grid-row: 2; justify-self: start; }
:where(.page, .shell) .submit .button { grid-row: 3; justify-self: end; margin-inline-start: 0; }

:where(.page, .shell) .tool-submit-arrow {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .16s ease;
}

:where(.page, .shell) .submit .button:hover .tool-submit-arrow { transform: translateX(2px); }
:where([dir="rtl"]) .tool-submit-arrow { transform: rotate(180deg); }
:where([dir="rtl"]) .submit .button:hover .tool-submit-arrow { transform: rotate(180deg) translateX(2px); }
:where(.ptq-body, .pack-page) .quizava-turnstile { margin-left: 0; }

@media (max-width: 560px) {
  :where(.page, .shell) .submit { grid-template-columns: 1fr; }
  :where(.page, .shell) .submit .quizava-turnstile,
  :where(.page, .shell) .submit .button { grid-column: 1; }
  :where(.page, .shell) .submit .quizava-turnstile { grid-row: 2; }
  :where(.page, .shell) .submit .button { grid-row: 3; margin-inline-start: 0; }
  :where(.page, .shell, .ptq-body, .pack-page) .quizava-turnstile {
    width: 100%;
    padding-inline: 8px;
  }
}

/* The paper grid is a quiet wayfinding cue, not decoration competing with the form. */
:where(.page, .shell) .hero h1,
:where(.page, .shell) h1 { text-wrap: balance; }

@keyframes tool-reveal {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 680px) {
  :where(.page, .shell) .wrap { width: min(100% - 24px, 1280px); }
  :where(.page, .shell) .hero h1,
  :where(.page, .shell) h1 { font-size: clamp(2.35rem, 13vw, 4rem); }
  :where(.page, .shell) .submit { gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  :where(.page, .shell) .hero,
  :where(.page, .shell) .intro { animation: none; }
}

/* The two base-template tools use their own page roots. */
:where(.ptq-body, .pack-page) {
  background-color: #f6f8f6;
  background-image: linear-gradient(90deg, rgba(58, 193, 98, .035) 1px, transparent 1px);
  background-size: 34px 34px;
}

:where(.ptq-body, .pack-page) :is(.ptq-wrap, .pack-shell) { position: relative; }
:where(.pack-page) { overflow-x: clip; }
:where(.pack-page) .pack-grid > * { min-width: 0; }
:where(.ptq-body, .pack-page) :is(.ptq-form, .pack-form, .pack-preview) { border-radius: 12px; }
:where(.ptq-body, .pack-page) :is(input, select, textarea):focus-visible { outline: 3px solid rgba(58, 193, 98, .28); outline-offset: 2px; }
:where(.ptq-body, .pack-page) :is(.ptq-cta, .pack-submit) { border-radius: 6px; }

/* Pack-preview sticky top must clear the 100px fixed header */
:where(.pack-page) .pack-preview {
  top: calc(var(--header-h, 100px) + 1.25rem);
}

/* Collapse pack-grid before its 280px column minimum can cause overflow */
@media (max-width: 820px) {
  :where(.pack-page) .pack-grid { grid-template-columns: 1fr; }
  :where(.pack-page) .pack-preview { position: static; }
}

/* Reference alignment: the teaching-pack page is the shared visual language
   for every teacher tool, including the pages that predate the base shell. */
:where(.teacher-tool-page) {
  --tool-green: #5fcf80;
  --tool-deep: #2a9449;
  --tool-ink: #37423b;
  --tool-muted: #657a6d;
  --tool-bg: #f4f8f5;
  --tool-line: #dce9e0;
  --tool-tint: #ecf9f0;
  background: var(--tool-bg);
  color: var(--tool-ink);
  font-family: "Raleway", sans-serif;
  /* clip-style overflow prevents horizontal scroll without breaking sticky */
  overflow-x: clip;
}

:where(.teacher-tool-page) .page,
:where(.teacher-tool-page) .shell {
  min-height: 100vh;
  overflow: visible;
  background: var(--tool-bg);
}

:where(.teacher-tool-page) .wrap {
  width: 100%;
  max-width: none;
}

:where(.teacher-tool-page) .nav {
  width: min(980px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 1.4rem 0 1.1rem;
}

:where(.teacher-tool-page) .wordmark {
  color: var(--tool-ink);
  font-family: "Poppins", sans-serif;
  font-size: 1.2rem;
  letter-spacing: -0.05em;
}

:where(.teacher-tool-page) .nav-meta,
:where(.teacher-tool-page) .nav-note {
  color: var(--tool-muted);
  font-family: "Raleway", sans-serif;
  font-size: .68rem;
}

:where(.teacher-tool-page) .hero,
:where(.teacher-tool-page) .intro {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 2.4rem max(1.25rem, calc((100% - 980px) / 2)) 4rem;
  display: block;
  background: var(--tool-green);
  color: #fff;
  overflow: hidden;
}

:where(.teacher-tool-page) .hero::after,
:where(.teacher-tool-page) .shell::before {
  content: "";
  position: absolute;
  inset: auto -5% -3rem;
  height: 5rem;
  background: var(--tool-bg);
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  pointer-events: none;
}

:where(.teacher-tool-page) .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(42, 148, 73, .38), transparent 62%),
    radial-gradient(ellipse 45% 55% at 0% 100%, rgba(58, 193, 98, .14), transparent 58%),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 34px 34px;
  pointer-events: none;
}

:where(.teacher-tool-page) .hero > *,
:where(.teacher-tool-page) .intro > * {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  margin-inline: auto;
}

:where(.teacher-tool-page) .hero h1,
:where(.teacher-tool-page) .intro h1 {
  max-width: 720px;
  margin-bottom: .7rem;
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -.04em;
}

:where(.teacher-tool-page) .kicker,
:where(.teacher-tool-page) .eyebrow {
  color: rgba(255, 255, 255, .8);
  font-family: "Raleway", sans-serif;
  font-size: .7rem;
  letter-spacing: .14em;
}

:where(.teacher-tool-page) .hero-copy,
:where(.teacher-tool-page) .intro > p:last-child,
:where(.teacher-tool-page) .hero-note {
  max-width: 650px;
  color: rgba(255, 255, 255, .88);
  font-family: "Raleway", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}

:where(.teacher-tool-page) .hero-note {
  margin-top: 1.4rem;
  padding-top: .8rem;
  border-top-color: rgba(255, 255, 255, .32);
}

:where(.teacher-tool-page) .hero-note strong {
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: .95rem;
}

:where(.teacher-tool-page) .workspace {
  width: min(980px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2rem 0 5rem;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 2rem;
}

:where(.teacher-tool-page) .builder,
:where(.teacher-tool-page) .panel,
:where(.teacher-tool-page) .review,
:where(.teacher-tool-page) .preview {
  border-radius: 12px;
  border-color: var(--tool-line);
  box-shadow: 0 2px 4px rgba(55, 66, 59, .04), 0 12px 30px rgba(55, 66, 59, .07);
}

:where(.teacher-tool-page) .builder,
:where(.teacher-tool-page) .panel {
  padding: clamp(1.2rem, 3vw, 2rem);
  transition: box-shadow .25s ease;
}

:where(.teacher-tool-page) .builder:focus-within,
:where(.teacher-tool-page) .panel:focus-within {
  box-shadow: 0 2px 4px rgba(55, 66, 59, .04), 0 16px 40px rgba(55, 66, 59, .1);
}

:where(.teacher-tool-page) .review,
:where(.teacher-tool-page) .preview {
  position: sticky;
  top: calc(var(--header-h, 100px) + 1.25rem);
  padding: 1.25rem;
  background: #fbfefc;
}

:where(.teacher-tool-page) :is(.form-head, .review-head, .preview-head) {
  padding-bottom: 1.25rem;
  border-bottom-color: var(--tool-line);
}

:where(.teacher-tool-page) :is(.form-head h2, .review h2, .preview-title, .preview h2) {
  font-family: "Poppins", sans-serif;
  letter-spacing: -.03em;
}

:where(.teacher-tool-page) :is(input, select, textarea) {
  border-color: var(--tool-line);
  border-radius: 6px;
  background: #fdfefd;
  font-family: "Raleway", sans-serif;
}

:where(.teacher-tool-page) :is(input, select, textarea):focus {
  border-color: var(--tool-deep);
  outline: 3px solid rgba(95, 207, 128, .28);
  box-shadow: none;
}

:where(.teacher-tool-page) :is(.button, .pack-submit) {
  border-radius: 6px;
  background: var(--tool-deep);
  box-shadow: 0 3px 0 #22723a;
  font-family: "Raleway", sans-serif;
}

:where(.teacher-tool-page) :is(.button, .pack-submit):hover {
  background: #237f3d;
  transform: translateY(-1px);
  box-shadow: 0 4px 0 #22723a, 0 8px 20px rgba(34, 114, 58, .22);
}

:where(.teacher-tool-page) :is(.button, .pack-submit):active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 #22723a;
}

:where(.teacher-tool-page) :is(.status, .badge) {
  border-radius: 99px;
  background: var(--tool-tint);
  color: var(--tool-deep);
  border: 1px solid color-mix(in srgb, var(--tool-green) 28%, var(--tool-line));
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .07em;
}

:where(.teacher-tool-page) :is(.question, .question-card, .draft-question, .guide-section, .source-card, .practice) {
  border-radius: 7px;
}

:where(.teacher-tool-page) .actions :is(a, button),
:where(.teacher-tool-page) .result-actions a {
  border-radius: 5px;
}

@media (max-width: 760px) {
  :where(.teacher-tool-page) .workspace { grid-template-columns: 1fr; }
  :where(.teacher-tool-page) :is(.review, .preview) { position: static; order: -1; }
  :where(.teacher-tool-page) .workspace { width: min(100% - 1.5rem, 980px); }
  :where(.teacher-tool-page) .nav { width: min(100% - 1.5rem, 980px); }
}

@media (prefers-reduced-motion: reduce) {
  :where(.teacher-tool-page) :is(.hero, .intro, .builder, .panel, .review, .preview) { animation: none; }
}

/* PDF → Quiz is rendered inside the authenticated base shell. Keep its
   content width, hero, and form surfaces on the same teaching-pack grid. */
:where(.ptq-body) {
  --ptq-bg: #f4f8f5;
  background-color: var(--ptq-bg);
}

:where(.ptq-hero) { padding-bottom: 4rem; }
:where(.ptq-hero__inner, .ptq-wrap) { max-width: 980px; }
:where(.ptq-hero h1) { font-family: "Poppins", sans-serif; }
:where(.ptq-body) { padding-top: 2rem; }
:where(.ptq-form) {
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid #dce9e0;
  border-radius: 12px;
  background: #fbfefc;
  box-shadow: 0 12px 30px rgba(55, 66, 59, .06);
}
:where(.ptq-form) :is(input, select, textarea) { border-radius: 6px; }
:where(.ptq-cta) { border-radius: 6px; background: #2a9449; box-shadow: 0 3px 0 #22723a; }
:where(.ptq-cta):hover { background: #237f3d; box-shadow: 0 4px 0 #22723a; }

/* Indexable explanatory copy keeps tool pages useful before the form is used. */
.tool-seo-content {
  width: min(980px, calc(100% - 2.5rem));
  margin: 0 auto 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 1.5rem 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid #dce9e0;
  border-radius: 12px;
  background: #fbfefc;
  color: #37423b;
  box-shadow: 0 12px 30px rgba(55, 66, 59, .05);
}
.tool-seo-copy { max-width: 46rem; }
.tool-seo-kicker { margin: 0 0 .5rem; color: #287a4d; font-size: .7rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.tool-seo-content h2 { margin: 0 0 .65rem; font-size: clamp(1.25rem, 2.4vw, 1.7rem); line-height: 1.2; }
.tool-seo-content p { margin: 0; color: #657a6d; line-height: 1.65; }
.tool-seo-faq { display: grid; gap: .65rem; }
.tool-seo-faq details { border-top: 1px solid #dce9e0; padding-top: .65rem; }
.tool-seo-faq summary { cursor: pointer; color: #287a4d; font-weight: 700; line-height: 1.4; }
.tool-seo-faq details p { padding-top: .45rem; font-size: .9rem; }
.tool-seo-related { grid-column: 1 / -1; padding-top: 1rem; border-top: 1px solid #dce9e0; }
.tool-seo-related h2 { font-size: 1.05rem; }
.tool-seo-related ul { display: flex; flex-wrap: wrap; gap: .5rem .8rem; margin: 0; padding: 0; list-style: none; }
.tool-seo-related a { color: #287a4d; font-size: .88rem; font-weight: 700; }
@media (max-width: 700px) {
  .tool-seo-content { grid-template-columns: 1fr; width: min(100% - 1.5rem, 980px); }
  .tool-seo-related { grid-column: auto; }
}