/* Quiz stepper: one question at a time + a progress panel (js/quiz-stepper.js). Engines, scoring and results unchanged. */
main.qs-main, .tool-hero.qs-hero { max-width: 1180px; }
.tool-hero.qs-hero { padding-top: 20px; }
.tool-hero.qs-hero .subtitle { max-width: 860px; }
main.qs-main > .card { margin-right: 316px; } /* reserve the panel column until the script wraps the card (no layout jump) */
.qs-stage { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; margin-top: 16px; }
.qs-stage > .card { margin: 0; }
.qs-panel { position: sticky; top: 76px; background: var(--surface, #fff); border: 1px solid var(--border, #e5e7eb); border-radius: var(--radius-lg, 14px); box-shadow: var(--shadow); padding: 16px; display: flex; flex-direction: column; gap: 16px; }
.qs-h { font-size: .75rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; }
.qs-big { font-size: 1.9rem; font-weight: 800; margin: 0; line-height: 1.1; }
.qs-big small { font-size: .9rem; color: var(--muted); font-weight: 600; }
.qs-dots { display: grid; grid-template-columns: repeat(10, 1fr); gap: 5px; }
.qs-dots button { aspect-ratio: 1; padding: 0; border-radius: 6px; border: 1px solid var(--border, #e5e7eb); background: var(--surface, #fff); font-family: inherit; font-weight: 600; font-size: .66rem; line-height: 1; color: var(--muted); cursor: pointer; }
.qs-dots button.done { background: var(--quiz-accent); border-color: var(--quiz-accent); color: #fff; }
.qs-dots button.cur { outline: 2px solid #2563eb; outline-offset: 1px; }
.qs-tip { font-size: .8rem; color: var(--muted); margin: 6px 0 0; line-height: 1.5; }
.qs-switch { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .92rem; font-weight: 600; cursor: pointer; position: relative; }
.qs-switch input { position: absolute; right: 0; width: 40px; height: 22px; opacity: 0; margin: 0; cursor: pointer; }
.qs-sw { width: 40px; height: 22px; border-radius: 999px; background: var(--border, #d6d9ee); position: relative; flex-shrink: 0; transition: background .15s; }
.qs-sw::after { content: ""; position: absolute; left: 3px; top: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; }
.qs-switch input:checked + .qs-sw { background: var(--quiz-accent); }
.qs-switch input:checked + .qs-sw::after { transform: translateX(18px); }
.qs-switch input:focus-visible + .qs-sw, .qs-dots button:focus-visible, .qs-nav button:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }
.qs-top { margin-bottom: 14px; }
.qs-bar { height: 8px; border-radius: 999px; background: var(--border, #eef0fa); overflow: hidden; }
.qs-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--quiz-accent), var(--quiz-accent-2)); transition: width .25s; }
.qs-meta { display: flex; justify-content: space-between; font-size: .82rem; font-weight: 600; color: var(--muted); margin-top: 6px; }
.qs-nav { display: none; }
/* Step mode */
.qs-on .qs-nav { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 18px; }
.qs-nav button { font: inherit; font-weight: 700; font-size: .9rem; padding: 9px 16px; border-radius: 10px; border: 1.5px solid var(--border, #e5e7eb); background: var(--surface, #fff); color: var(--text); cursor: pointer; }
.qs-nav button:disabled { opacity: .4; cursor: default; }
.qs-keys { font-size: .78rem; color: var(--muted); }
.qs-keys kbd { font: 600 .72rem 'JetBrains Mono', monospace; border: 1px solid var(--border, #d6d9ee); border-bottom-width: 2px; border-radius: 5px; padding: 1px 5px; background: var(--surface, #fff); }
.qs-on .quiz-progress, .qs-on #iq-progress, .qs-on #rt-progress { display: none; }
.qs-on fieldset.quiz-q { display: none; }
.qs-on fieldset.quiz-q.qs-cur { display: block; border: 0; padding: 12px 0 0; min-height: 260px; counter-reset: qo; }
.qs-on .qs-cur > legend { float: left; width: 100%; font-size: 1.3rem; line-height: 1.35; text-align: center; margin: 0 0 18px; padding: 0; }
.qs-on .qs-cur > legend + * { clear: both; }
/* Big answer buttons (the real radios stay in place, visually hidden, so keyboard + scoring are unchanged) */
.qs-on .qs-cur .quiz-opt { position: relative; border: 2px solid var(--border, #e5e7eb); border-radius: 14px; background: var(--surface, #fff); padding: 16px 16px 16px 54px; font-size: 1.02rem; align-items: center; min-height: 64px; margin: 0; transition: border-color .12s, background .12s; }
.qs-on .qs-cur .quiz-opt::before { counter-increment: qo; content: counter(qo); position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: rgba(225,29,99,.1); color: var(--quiz-accent); font-weight: 800; font-size: .85rem; }
.qs-on .qs-cur .quiz-opt:hover { border-color: var(--quiz-accent-2); background: rgba(225,29,99,.04); }
.qs-on .qs-cur .quiz-opt:has(input:checked) { border-color: var(--quiz-accent); background: rgba(225,29,99,.08); }
.qs-on .qs-cur .quiz-opt:has(input:focus-visible) { outline: 3px solid #2563eb; outline-offset: 2px; }
.qs-on .qs-cur .quiz-opt input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
/* A/B pairs: two cards side by side, lettered */
.qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-content: start; }
.qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) > legend { grid-column: 1 / -1; }
.qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) .quiz-opt { min-height: 110px; align-items: flex-start; padding-top: 20px; }
.qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) .quiz-opt::before { content: counter(qo, upper-alpha); top: 20px; transform: none; }
/* 1–5 scales: five buttons in a row */
.qs-on .qs-cur .likert-opts { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.qs-on .qs-cur .likert-opt { flex-direction: column; justify-content: center; text-align: center; padding: 48px 8px 14px; min-height: 110px; font-size: .88rem; }
.qs-on .qs-cur .likert-opt::before { left: 50%; top: 14px; transform: translateX(-50%); border-radius: 50%; }
/* IQ + reasoning: option tiles */
.qs-on .qs-cur .iq-opts, .qs-on .qs-cur .rt-opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.qs-on .qs-cur .iq-opts-svg .quiz-opt, .qs-on .qs-cur .rt-opts-svg .quiz-opt { padding: 40px 8px 8px; justify-content: center; }
.qs-on .qs-cur .iq-opts-svg .quiz-opt::before, .qs-on .qs-cur .rt-opts-svg .quiz-opt::before { left: 8px; top: 8px; transform: none; }
.qs-on .qs-cur .iq-stem, .qs-on .qs-cur .rt-stem { text-align: center; }
/* Result shown: questions + nav step aside */
.qs-done fieldset.quiz-q, .qs-done .qs-nav { display: none !important; }
@media (max-width: 999px) {
  main.qs-main > .card { margin-right: 0; }
  .qs-stage { grid-template-columns: 1fr; }
  .qs-panel { position: static; order: 2; }
}
@media (max-width: 620px) {
  .qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) { grid-template-columns: 1fr; }
  .qs-on .qs-cur:not(.likert-q):not(.iq-q):not(.rt-q) .quiz-opt { min-height: 0; }
  .qs-on .qs-cur .likert-opts { grid-template-columns: 1fr; }
  .qs-on .qs-cur .likert-opt { flex-direction: row; justify-content: flex-start; text-align: left; padding: 14px 14px 14px 54px; min-height: 0; }
  .qs-on .qs-cur .likert-opt::before { left: 14px; top: 50%; transform: translateY(-50%); }
  .qs-on .qs-cur > legend { font-size: 1.1rem; }
  .qs-keys { display: none; }
}
@media print { .qs-panel, .qs-top, .qs-nav { display: none !important; } .qs-on fieldset.quiz-q { display: block !important; } }

/* [hidden]-guard (2026-09-29): an author display rule must never beat the hidden attribute (bit 4x: weather, timer, whats-my-ip, image converters). */
[hidden] { display: none !important; }