/* CardFoundary Flashcard Studio: front-end styles. Loaded only on pages that use the plugin. */
.cff-app,.cff-projectbar,.cff-notfound{
	--cff-ink:#14162d;--cff-mute:#6a6679;--cff-paper:#f4f5ff;--cff-line:#e7e5ef;--cff-accent:#6f68e8;--cff-accent-a:rgba(111,104,232,.2);
	--cff-btn-a:#ff846d;--cff-btn-b:#ff5d62;--cff-btn-shadow:rgba(255,93,98,.26);--cff-btn-shadow-h:rgba(255,93,98,.35);
	--cff-bad:#c0392b;--cff-ok:#0f7b3f;--cff-serif:Georgia,'Times New Roman',serif;
	box-sizing:border-box;color:var(--cff-ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.45;
}
.cff-app *{box-sizing:border-box}
.cff-standalone{margin:0;background:radial-gradient(circle at 7% 7%,#f1edff 0,transparent 23%),radial-gradient(circle at 96% 16%,#fff0e8 0,transparent 25%),#fffdfb}
.cff-standalone__main{max-width:1280px;margin:0 auto;padding:16px}
.cff-standalone__main--themed{max-width:1640px;padding:28px 34px 0}
@media (max-width:700px){.cff-standalone__main--themed{padding:20px 14px 0}}
.cff-brand{font-weight:800;letter-spacing:-.04em}
.cff-projectbar{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;padding:0 0 12px}
.cff-projectbar__note{color:var(--cff-mute);font-size:14px}
.cff-notfound{max-width:520px;margin:60px auto;text-align:center}
.cff-notfound h1{font-family:var(--cff-serif);font-weight:500;letter-spacing:-.04em}

.cff-panel{background:#fff;border:1px solid var(--cff-line);border-radius:20px;padding:16px;box-shadow:0 12px 30px #25213d0c}
.cff-layout{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:20px;align-items:start}
.cff-stage{position:sticky;top:12px}
@media (max-width:860px){.cff-layout{grid-template-columns:1fr}.cff-stage{position:static;order:-1}}
.cff-section{border:0;margin:0 0 18px;padding:0;min-width:0}
.cff-section>legend{font:800 11px/1.2 Inter,system-ui,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--cff-accent);padding:0 0 12px}
.cff-app h2,.cff-app h3{font-family:var(--cff-serif);font-weight:500;letter-spacing:-.03em}
.cff-previewpanel h2,.cff-actions h2{margin:0;font-size:26px;line-height:1.05}
.cff-actions h3{margin:18px 0 8px;font-size:19px}
.cff-field{margin:0 0 12px}
.cff-field label{display:block;font-weight:600;font-size:14px;margin-bottom:4px}
.cff-field--check label{display:flex;gap:8px;align-items:center;font-weight:500}
.cff-field--range label{display:flex;justify-content:space-between}
.cff-field--range output{font-weight:400;color:var(--cff-mute)}
.cff-field--color{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.cff-field--color label{margin:0}
.cff-field--color input{width:44px;height:30px;padding:0;border:1px solid #dcd9e8;border-radius:10px;background:#fff}
.cff-field input[type=range]{width:100%;accent-color:var(--cff-accent)}
.cff-field input[type=checkbox]{accent-color:var(--cff-accent);width:18px;height:18px}
.cff-app input[type=text],.cff-app input[type=url],.cff-app input[type=number],.cff-app select,.cff-app textarea{
	width:100%;padding:9px 10px;border:1px solid #dcd9e8;border-radius:12px;background:#fafaff;color:var(--cff-ink);font:inherit;min-height:40px}
.cff-app textarea{resize:vertical;min-height:170px;line-height:1.45;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;white-space:pre}
.cff-app input:focus,.cff-app select:focus,.cff-app textarea:focus{border-color:var(--cff-accent);outline:0;box-shadow:0 0 0 3px var(--cff-accent-a)}
.cff-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.cff-row3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 12px;align-items:end}
@media (max-width:700px){.cff-row3{grid-template-columns:1fr}}
.cff-inputrow{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}
.cff-inputrow>input{flex:1 1 180px;width:auto}
.cff-count{margin:6px 0 0;font-size:13px;color:var(--cff-mute)}
.cff-count.is-warn{color:var(--cff-bad);font-weight:600}
.cff-hint{font-size:13px;color:var(--cff-mute);margin:4px 0}
.cff-adv,.cff-images{border:1px solid var(--cff-line);border-radius:14px;padding:8px 12px;margin:0 0 12px;background:#fcfcff}
.cff-adv summary,.cff-images summary{cursor:pointer;font-weight:600;padding:2px 0}

.cff-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid #e6e5ee;background:#fff;color:#45415d;border-radius:999px;padding:10px 20px;font:inherit;font-size:14px;font-weight:700;cursor:pointer;min-height:42px;line-height:1.2;transition:transform .2s,box-shadow .2s}
.cff-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 18px #28254320}
.cff-btn--primary{background:linear-gradient(135deg,var(--cff-btn-a),var(--cff-btn-b));border-color:transparent;color:#fff;box-shadow:0 13px 24px var(--cff-btn-shadow)}
.cff-btn--primary:hover:not(:disabled){box-shadow:0 16px 28px var(--cff-btn-shadow-h)}
.cff-btn--ghost{background:transparent;box-shadow:none}
.cff-btn--small{padding:5px 12px;min-height:32px;font-size:13px}
.cff-btn--xl{width:100%;min-height:56px;font-size:16px;margin-top:12px}
.cff-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.cff-btnrow{display:flex;flex-wrap:wrap;gap:8px}
.cff-app :focus-visible{outline:3px solid var(--cff-accent);outline-offset:2px}

.cff-previewpanel__head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}
.cff-preview{max-width:560px;margin:0 auto}
.cff-status{min-height:1.4em;margin:8px 0 0;color:var(--cff-mute);font-size:14px}
.cff-error{margin:6px 0 0;font-size:14px;color:var(--cff-bad);font-weight:600}
.cff-stale{margin:8px 0 0;padding:8px 10px;background:#fff0e8;border:1px solid #ffd0c4;border-radius:12px;font-size:14px}

.cff-results{margin-top:24px}
.cff-actions{margin-bottom:20px}
.cff-share{margin-top:14px;padding-top:12px;border-top:1px solid var(--cff-line)}
.cff-results__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;margin-top:20px}
.cff-result{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px}
.cff-result .cff-flip{width:100%}
.cff-result__btns{justify-content:center}

/* ---- Flip card and faces (container units: scales to any size) ---- */
.cff-flip{display:block;position:relative;width:100%;max-width:100%;padding:0;margin:0;border:0;background:none;cursor:pointer;perspective:1400px;font:inherit;color:inherit;-webkit-tap-highlight-color:transparent;text-align:inherit}
.cff-flip__inner{position:absolute;inset:0;transition:transform .55s cubic-bezier(.2,.7,.2,1);transform-style:preserve-3d}
.cff-flip.is-flipped .cff-flip__inner{transform:rotateY(180deg)}
.cff-flip .cff-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.cff-flip .cff-face--back{transform:rotateY(180deg)}
.cff-flip--swap .cff-face--back{transform:none}
.cff-flip--swap .cff-face--front{transform:rotateY(180deg)}
.cff-flip{filter:drop-shadow(0 12px 22px rgba(40,37,67,.16))}
@media (prefers-reduced-motion:reduce){.cff-flip__inner{transition:none}}
.cff-face{container-type:inline-size;width:100%;height:100%}
.cff-face__in{box-sizing:border-box;width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden}
.cff-face__top{display:flex;justify-content:space-between;align-items:center;font-weight:700;letter-spacing:.04em;flex:none;overflow:hidden;white-space:nowrap;text-transform:uppercase}
.cff-face__body{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:center;overflow:hidden;line-height:1.25;font-weight:600}
.cff-face__text{display:block;max-width:100%;overflow-wrap:anywhere}
.cff-face__body img{max-width:100%;min-height:0;object-fit:contain}
.cff-face__bot{flex:none;display:flex;align-items:center;justify-content:flex-end;font-weight:600}

/* ---- Study and quiz ---- */
.cff-study{margin:0 0 20px}
.cff-study__head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.cff-study__head h2{margin:0;font-size:26px}
.cff-study__opts{display:flex;flex-wrap:wrap;gap:8px 18px;margin:10px 0}
.cff-opt{font-size:14px;display:inline-flex;gap:6px;align-items:center}
.cff-opt select{width:auto;min-height:34px;padding:4px 8px}
.cff-progress{height:8px;border-radius:999px;background:#eceaf6;overflow:hidden}
.cff-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--cff-btn-a),var(--cff-btn-b));transition:width .3s}
.cff-study__stats{font-size:14px;color:var(--cff-mute);margin:8px 0}
.cff-study__stage{max-width:680px;margin:14px auto 18px}
.cff-study__btns{justify-content:center}
.cff-quiz__q{position:relative;max-width:560px;margin:8px auto 16px;filter:drop-shadow(0 12px 22px rgba(40,37,67,.14))}
.cff-quiz__q .cff-face{position:absolute;inset:0}
.cff-quiz__choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:760px;margin:0 auto}
@media (max-width:640px){.cff-quiz__choices{grid-template-columns:1fr}}
.cff-choice{display:flex;gap:10px;align-items:center;text-align:left;padding:14px 16px;border:1.5px solid #dcd9e8;border-radius:16px;background:#fff;font:inherit;font-weight:600;color:var(--cff-ink);cursor:pointer;min-height:56px}
.cff-choice:hover:not(:disabled){border-color:var(--cff-accent);background:var(--cff-paper)}
.cff-choice__n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--cff-paper);font-size:13px}
.cff-choice.is-right{border-color:var(--cff-ok);background:#e9f7ef}
.cff-choice.is-wrong{border-color:var(--cff-bad);background:#fdecea}
.cff-choice:disabled{cursor:default;color:var(--cff-ink)}
.cff-quiz__fb{min-height:1.5em;text-align:center;font-weight:700;margin:12px 0 6px}
.cff-studyroot>.cff-btn{display:flex;margin:6px auto}
.cff-list{list-style:none;margin:8px 0 0;padding:0;max-height:300px;overflow:auto}
.cff-list li{padding:6px 0;border-bottom:1px solid #efedf4}

#cff-print-root{display:none}

/* ---- FAQ block used in the landing page content ---- */
.cff-faq{max-width:900px;margin:0 auto;padding:clamp(4rem,8vw,8rem) 28px 0;font-family:Inter,system-ui,sans-serif}
.cff-faq h2{font-family:Georgia,'Times New Roman',serif;font-weight:500;letter-spacing:-.06em;line-height:.98;font-size:clamp(2.6rem,5vw,4.6rem);text-align:center;margin:0 0 2.4rem}
.cff-faq details{border-top:1px solid #e7e5ef;padding:18px 4px}
.cff-faq details:last-of-type{border-bottom:1px solid #e7e5ef}
.cff-faq summary{cursor:pointer;font-weight:700;font-size:17px;color:#14162d;list-style:none;display:flex;justify-content:space-between;gap:16px}
.cff-faq summary::-webkit-details-marker{display:none}
.cff-faq summary::after{content:"+";color:#6f68e8;font-size:22px;line-height:1}
.cff-faq details[open] summary::after{content:"\2212"}
.cff-faq details p{margin:12px 0 0;color:#6a6679;font:1.05rem/1.65 Georgia,serif;max-width:46rem}