/* =========================================================
   MÓLMESTER — FELADATOK (gyakorló) felület stílusai
   A közös alapot a style.css adja (tokenek, reset, gombok, animációk).
   Ez a fájl a feladat-MOTOR (feladatok.js) által renderelt felületet
   stilizálja — sötét ÉS világos témában egyaránt olvasható.
   Minden szín a style.css tokenjeiből származik.
   ========================================================= */

/* =================== VEZÉRLŐPULT (cím + haladás + szűrő) =================== */
.fm-top{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.4rem;margin:1.8rem 0}
.fm-top h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.3rem,3vw,1.7rem);letter-spacing:-.01em;color:var(--ink)}

/* haladás-sáv */
.fm-progress{margin-top:1rem}
.fm-progress-meta{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;align-items:baseline;font-size:.9rem;color:var(--ink-soft);margin-bottom:.5rem}
.fm-progress-meta b{font-family:var(--font-display);color:var(--ink);font-weight:600}
.fm-progress-meta .fm-pct{font-family:var(--font-mono);color:var(--brand-dark);font-weight:600}
.fm-bar{height:10px;border-radius:30px;background:color-mix(in srgb,var(--line) 60%,transparent);overflow:hidden;border:1px solid var(--line)}
.fm-bar-fill{height:100%;width:0;border-radius:30px;background:linear-gradient(90deg,var(--brand),var(--brand-dark));transition:width .45s cubic-bezier(.2,.7,.3,1)}

/* szint-szűrő chipek + újrakezdés */
.fm-controls{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin-top:1.2rem}
.fm-filter{display:flex;flex-wrap:wrap;gap:.5rem}
.fm-chip{font-family:var(--font-mono);font-size:.85rem;padding:.45rem .9rem;min-height:40px;display:inline-flex;align-items:center;border-radius:30px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink-soft);cursor:pointer;transition:.13s}
.fm-chip:hover{border-color:var(--ink-faint);color:var(--ink)}
.fm-chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.fm-reset{margin-left:auto}

/* =================== NEHÉZSÉG-CSOPORTOK =================== */
.fm-group{margin:2.2rem 0 0}
.fm-group-head{display:flex;align-items:center;gap:.7rem;margin:0 0 1rem;flex-wrap:wrap}
.fm-group-head h3{font-family:var(--font-display);font-weight:700;font-size:1.2rem;letter-spacing:-.01em;color:var(--ink)}
.fm-group-count{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint)}

/* nehézség-pöttyök (a dashboard.html mintájára) */
.fm-dots{display:inline-flex;gap:4px;align-items:center}
.fm-dot{width:9px;height:9px;border-radius:50%;background:var(--line)}
.fm-dot.g{background:var(--diff-green)}
.fm-dot.a{background:var(--diff-amber)}
.fm-dot.r{background:var(--diff-red)}

/* =================== FELADAT-KÁRTYA =================== */
.fm-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.4rem;margin:1rem 0;transition:border-color .2s, box-shadow .2s}
.fm-card.is-done{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.fm-card-head{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;margin-bottom:.4rem}
.fm-type{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:.25rem .65rem;border-radius:30px;background:var(--brand-soft);color:var(--brand-dark);font-weight:600}
.fm-num{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint)}
.fm-done-flag{margin-left:auto;font-family:var(--font-mono);font-size:.74rem;color:var(--ok);font-weight:600;display:none;align-items:center;gap:.3rem}
.fm-card.is-done .fm-done-flag{display:inline-flex}
.fm-q{color:var(--ink);font-size:1.04rem;margin:.4rem 0 1rem;line-height:1.55}
.fm-q strong{font-weight:600}

/* =================== MCQ / IGAZ-HAMIS / PREDIKCIÓ =================== */
.fm-options{display:flex;flex-direction:column;gap:.55rem}
.fm-opt{display:flex;align-items:center;gap:.7rem;text-align:left;width:100%;min-height:40px;font-family:var(--font-body);font-size:.97rem;padding:.65rem .9rem;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;transition:.14s}
.fm-opt:hover{border-color:var(--ink-faint)}
.fm-opt .fm-mark{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1.6px solid var(--ink-faint);display:grid;place-items:center;color:transparent;font-size:.8rem;font-weight:700}
.fm-opt.selected{border-color:var(--brand);background:var(--brand-soft)}
.fm-opt.selected .fm-mark{border-color:var(--brand);background:var(--brand);color:#fff}
.fm-opt.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.fm-opt.correct .fm-mark{border-color:var(--ok);background:var(--ok);color:#fff}
.fm-opt.wrong{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 13%,transparent)}
.fm-opt.wrong .fm-mark{border-color:var(--diff-red);background:var(--diff-red);color:#fff}
.fm-opt.locked{cursor:default}
.fm-opt:disabled{cursor:default}

/* =================== PÁROSÍTÓ =================== */
.fm-match{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
.fm-match-col{display:flex;flex-direction:column;gap:.5rem}
.fm-match-label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);font-weight:600}
.fm-match-item{display:flex;align-items:center;gap:.5rem;width:100%;text-align:left;min-height:40px;font-size:.95rem;padding:.6rem .8rem;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;transition:.14s}
.fm-match-item:hover{border-color:var(--ink-faint)}
.fm-match-item.picked{border-color:var(--brand);background:var(--brand-soft)}
.fm-match-item.paired{border-style:dashed}
.fm-match-item .fm-pair-no{font-family:var(--font-mono);font-size:.75rem;width:20px;height:20px;border-radius:50%;display:none;place-items:center;background:var(--brand);color:#fff;flex-shrink:0}
.fm-match-item.paired .fm-pair-no{display:grid}
.fm-match-item.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.fm-match-item.correct .fm-pair-no{background:var(--ok)}
.fm-match-item.wrong{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 13%,transparent)}
.fm-match-item.wrong .fm-pair-no{background:var(--diff-red)}
.fm-match-item.locked{cursor:default}

/* =================== BESOROLÓ =================== */
.fm-sort{display:flex;flex-direction:column;gap:.6rem}
.fm-sort-row{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;padding:.6rem .8rem;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper)}
.fm-sort-text{flex:1;min-width:160px;font-size:.97rem;color:var(--ink)}
.fm-sort-cats{display:flex;flex-wrap:wrap;gap:.4rem}
.fm-sort-cat{font-family:var(--font-mono);font-size:.82rem;min-height:36px;padding:.3rem .75rem;display:inline-flex;align-items:center;border-radius:30px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer;transition:.13s}
.fm-sort-cat:hover{border-color:var(--ink-faint);color:var(--ink)}
.fm-sort-cat.active{background:var(--brand);border-color:var(--brand);color:#fff}
.fm-sort-row.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-sort-row.wrong{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}
.fm-sort-row.locked .fm-sort-cat{cursor:default}

/* =================== SORREND =================== */
.fm-order-dir{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint);margin-bottom:.6rem}
.fm-order{display:flex;flex-direction:column;gap:.5rem;counter-reset:ordn}
.fm-order-item{display:flex;align-items:center;gap:.7rem;padding:.55rem .7rem;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper);counter-increment:ordn}
.fm-order-item::before{content:counter(ordn);font-family:var(--font-mono);font-size:.82rem;font-weight:600;color:#fff;background:var(--brand);width:26px;height:26px;border-radius:7px;display:grid;place-items:center;flex-shrink:0}
.fm-order-text{flex:1;font-size:.95rem;color:var(--ink)}
.fm-order-btns{display:flex;flex-direction:column;gap:.2rem}
.fm-ob{width:30px;height:22px;border-radius:6px;border:1.4px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer;display:grid;place-items:center;font-size:.7rem;line-height:1;transition:.13s}
.fm-ob:hover:not(:disabled){border-color:var(--ink-faint);color:var(--ink)}
.fm-ob:disabled{opacity:.35;cursor:not-allowed}
.fm-order-item.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-order-item.correct::before{background:var(--ok)}
.fm-order-item.wrong{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}
.fm-order-item.wrong::before{background:var(--diff-red)}

/* =================== EGYENLET (élő atommérleg) =================== */
.fm-eq{display:flex;flex-direction:column;gap:1rem}
.fm-eq-line{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:1.05rem;color:var(--ink);justify-content:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.9rem .8rem}
.fm-term{display:inline-flex;flex-direction:column;align-items:center;gap:.35rem}
.fm-term-keplet{font-size:1.05rem;color:var(--ink)}
.fm-coef{font-family:var(--font-mono);font-weight:600;color:var(--brand-dark);min-width:1.4ch;text-align:center;font-size:1.05rem}
.fm-stepper{display:inline-flex;align-items:center;gap:.35rem}
.fm-step-btn{width:26px;height:26px;border-radius:7px;border:1.4px solid var(--line);background:var(--surface);color:var(--ink-soft);cursor:pointer;display:grid;place-items:center;font-size:1rem;line-height:1;transition:.13s}
.fm-step-btn:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.fm-step-btn:disabled{opacity:.35;cursor:not-allowed}
.fm-plus,.fm-arrow{color:var(--ink-faint)}
.fm-balance{display:flex;flex-wrap:wrap;gap:.5rem .9rem;justify-content:center;font-family:var(--font-mono);font-size:.9rem;color:var(--ink-soft)}
.fm-bal-el{display:inline-flex;align-items:center;gap:.3rem}
.fm-bal-el.ok{color:var(--ok)}
.fm-bal-el.bad{color:var(--diff-red)}
.fm-balance.all-ok{color:var(--ok)}

/* =================== TIPP + ELLENŐRZÉS + FEEDBACK =================== */
.fm-actions{display:flex;flex-wrap:wrap;gap:.55rem;margin-top:1.1rem}
.fm-btn{font-family:var(--font-display);font-weight:600;font-size:.92rem;padding:.55rem 1.1rem;min-height:40px;border-radius:var(--radius-sm);border:1.6px solid transparent;cursor:pointer;transition:transform .15s, background .15s, border-color .15s, color .15s;display:inline-flex;align-items:center;gap:.4rem}
.fm-btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.fm-btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);transform:translateY(-1px)}
.fm-btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-soft)}
.fm-btn-ghost:hover{border-color:var(--ink);color:var(--ink);background:var(--paper)}
.fm-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* numerikus beviteli mező */
.fm-num-input{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem}
.fm-num-input input{font-family:var(--font-mono);font-size:1rem;padding:.55rem .8rem;min-height:42px;width:170px;max-width:100%;border-radius:var(--radius-sm);border:1.5px solid var(--line);background:var(--paper);color:var(--ink)}
.fm-num-input input:focus{outline:none;border-color:var(--brand)}
.fm-num-input input.correct{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-num-input input.wrong{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}
.fm-unit{font-family:var(--font-mono);color:var(--ink-soft);font-size:.95rem}

/* lépésenkénti megoldás (numerikus) */
.fm-steps{margin-top:1rem;border-left:3px solid var(--brand);padding-left:1rem;display:none}
.fm-steps.show{display:block;animation:fade .4s cubic-bezier(.2,.7,.3,1) both}
.fm-steps ol{list-style:none;counter-reset:fmst;display:flex;flex-direction:column;gap:.5rem}
.fm-steps li{counter-increment:fmst;font-family:var(--font-mono);font-size:.92rem;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.55rem .8rem .55rem 2.4rem;position:relative}
.fm-steps li::before{content:counter(fmst);position:absolute;left:.7rem;top:.55rem;color:var(--brand);font-weight:600}

/* feedback doboz */
.fm-feedback{margin-top:1rem;border-radius:var(--radius-sm);padding:.85rem 1.05rem;font-size:.95rem;display:none;border:1px solid var(--line);background:var(--paper)}
.fm-feedback.show{display:block;animation:fade .35s cubic-bezier(.2,.7,.3,1) both}
.fm-feedback.ok{border-color:color-mix(in srgb,var(--ok) 45%,transparent);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-feedback.bad{border-color:color-mix(in srgb,var(--diff-red) 45%,transparent);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}
.fm-feedback.hint{border-color:color-mix(in srgb,var(--info) 40%,transparent);background:var(--info-soft)}
.fm-feedback .fm-fb-head{font-family:var(--font-display);font-weight:700;display:flex;align-items:center;gap:.45rem;color:var(--ink)}
.fm-feedback.ok .fm-fb-head{color:var(--ok)}
.fm-feedback.bad .fm-fb-head{color:var(--diff-red)}
.fm-feedback .fm-fb-body{margin-top:.4rem;color:var(--ink-soft);line-height:1.55}
.fm-feedback .fm-fb-body strong{color:var(--ink)}
.fm-feedback .fm-elmelet{display:inline-flex;align-items:center;gap:.35rem;margin-top:.6rem;font-family:var(--font-display);font-weight:600;font-size:.88rem;color:var(--brand-dark);text-decoration:underline}
.fm-icn{flex-shrink:0;width:18px;height:18px}

/* elméleti visszalink callout (oldal alján) */
.fm-callout{border-radius:var(--radius-sm);padding:.85rem 1.1rem;margin:1.6rem 0;font-size:.95rem;display:flex;gap:.7rem;align-items:flex-start;background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 30%,transparent);color:var(--ink)}
.fm-callout .ic{flex-shrink:0;font-size:1.1rem;line-height:1.4}
.fm-callout a{color:var(--brand-dark);font-weight:600;text-decoration:underline}
.fm-callout b{color:var(--ink)}

/* üres állapot */
.fm-empty{color:var(--ink-faint);font-size:.95rem;text-align:center;padding:2rem 1rem}

/* =========================================================
   TOVÁBBI TÍPUSOK (feladatok-tipusok.js)
   ========================================================= */
/* közös beviteli állapotok */
.fm-text-input,.fm-cloze-input{font-family:var(--font-body);font-size:.97rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.55rem .8rem;transition:.14s}
.fm-text-input{width:100%;max-width:340px}
.fm-text-input:focus,.fm-cloze-input:focus,.fm-cloze-select:focus{outline:none;border-color:var(--brand)}
.fm-text-input.is-ok,.fm-cloze-input.is-ok,.fm-cloze-select.is-ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-text-input.is-bad,.fm-cloze-input.is-bad,.fm-cloze-select.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}

/* 2) LYUKASSZOVEG */
.fm-cloze-text{line-height:2.1;font-size:1rem;color:var(--ink)}
.fm-gap-slot{display:inline-block}
.fm-cloze-input{padding:.2rem .45rem;font-family:var(--font-mono);font-size:.9rem;text-align:center;min-width:5ch}
.fm-cloze-select{font-family:var(--font-body);font-size:.9rem;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.2rem 1.4rem .2rem .5rem;cursor:pointer}

/* 3) KAKUKKTOJAS */
.fm-odd-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.6rem}
.fm-odd-card{font-family:var(--font-body);font-size:.97rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.8rem .9rem;min-height:52px;cursor:pointer;transition:.14s;text-align:center}
.fm-odd-card:hover{border-color:var(--ink-faint)}
.fm-odd-card.selected{border-color:var(--brand);background:var(--brand-soft)}
.fm-odd-card.is-ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,transparent)}
.fm-odd-card.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 13%,transparent)}
.fm-odd-card.is-correct{border-color:var(--ok);border-style:dashed}
.fm-odd-indok{margin-top:.7rem;width:100%;max-width:420px;font-family:var(--font-body);font-size:.92rem;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.5rem .7rem;cursor:pointer}

/* 4) CSUSZKA */
.fm-slider{max-width:520px}
.fm-slider-val{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--brand-dark);text-align:center;margin-bottom:.5rem;transition:.14s}
.fm-slider-val.is-ok{color:var(--ok)}
.fm-slider-val.is-bad{color:var(--diff-red)}
.fm-slider-range{width:100%;height:8px;-webkit-appearance:none;appearance:none;border-radius:6px;background:var(--line);outline:none}
.fm-slider-ph .fm-slider-range{background:linear-gradient(90deg,#e2453a 0%,#e8823a 22%,#ecd23a 42%,#63c463 50%,#3aa7c4 65%,#3a5fc4 82%,#7a3ac4 100%)}
.fm-slider-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--brand);cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.25)}
.fm-slider-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:3px solid var(--brand);cursor:pointer}
.fm-slider-scale{display:flex;justify-content:space-between;margin-top:.4rem;font-family:var(--font-mono);font-size:.75rem;color:var(--ink-faint)}

/* 5) HOTSPOT */
.fm-hotspot-stage{max-width:460px;margin:0 auto}
.fm-hotspot-stage svg{width:100%;height:auto;display:block}
.fm-zone{fill:transparent;stroke:var(--brand);stroke-width:1.6;stroke-dasharray:4 3;opacity:.5;cursor:pointer;transition:.14s}
.fm-zone:hover{opacity:.9;fill:color-mix(in srgb,var(--brand) 12%,transparent)}
.fm-zone:focus{outline:none;opacity:1}
.fm-zone.sel{opacity:1;stroke-dasharray:none;stroke-width:2.4;fill:color-mix(in srgb,var(--brand) 18%,transparent)}
.fm-zone.ok{stroke:var(--ok);opacity:1;stroke-dasharray:none;fill:color-mix(in srgb,var(--ok) 18%,transparent)}
.fm-zone.bad{stroke:var(--diff-red);opacity:1;stroke-dasharray:none;fill:color-mix(in srgb,var(--diff-red) 16%,transparent)}

/* 6) CIMKEZES */
.fm-label-stage{position:relative;max-width:460px;margin:0 auto}
.fm-label-bg svg{width:100%;height:auto;display:block}
.fm-label-slot{position:absolute;transform:translate(-50%,-50%);min-width:34px;min-height:26px;padding:.25rem .5rem;font-family:var(--font-body);font-size:.82rem;color:var(--ink);background:var(--surface);border:1.6px dashed var(--brand);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;transition:.14s}
.fm-label-slot:hover{background:var(--brand-soft)}
.fm-label-slot.filled{border-style:solid;background:var(--paper);font-weight:600}
.fm-label-slot.is-ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,transparent)}
.fm-label-slot.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 14%,transparent)}
.fm-label-tray{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem;padding-top:.9rem;border-top:1px dashed var(--line)}
.fm-label-chip{font-family:var(--font-body);font-size:.9rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:20px;padding:.4rem .85rem;cursor:pointer;transition:.14s}
.fm-label-chip:hover{border-color:var(--ink-faint)}
.fm-label-chip.sel{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 2px var(--brand-soft)}

/* 7) TABLAZAT */
.fm-tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.fm-tbl{border-collapse:collapse;width:100%;font-size:.92rem}
.fm-tbl th{font-family:var(--font-display);font-weight:600;font-size:.82rem;text-align:left;padding:.5rem .7rem;background:var(--surface);border:1px solid var(--line);color:var(--ink)}
.fm-tbl td{padding:.4rem .6rem;border:1px solid var(--line);color:var(--ink)}
.fm-tbl-fix{background:var(--surface);font-weight:500}
.fm-tbl td .fm-cloze-input{width:100%;min-width:60px;box-sizing:border-box}

/* 8) OXIDACIOS */
.fm-oxid-formula{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--ink);text-align:center;margin-bottom:.9rem;letter-spacing:.02em}
.fm-oxid-row{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}
.fm-oxid-atom{display:flex;flex-direction:column;align-items:center;gap:.35rem}
.fm-oxid-input{width:46px;text-align:center;font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.35rem .2rem;transition:.14s}
.fm-oxid-input:focus{outline:none;border-color:var(--brand)}
.fm-oxid-input.is-ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.fm-oxid-input.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 12%,transparent)}
.fm-oxid-jel{font-family:var(--font-mono);font-size:1.15rem;font-weight:600;color:var(--brand-dark)}

/* 9) KEPLETEPITO */
.fm-build-preview{font-family:var(--font-mono);font-size:1.5rem;font-weight:600;color:var(--ink);text-align:center;min-height:2.2rem;padding:.6rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);letter-spacing:.02em}
.fm-build-ph{color:var(--ink-faint);font-weight:400;font-size:1rem;font-family:var(--font-body)}
.fm-build-row{display:flex;flex-wrap:wrap;gap:.4rem;min-height:44px;margin:.7rem 0;padding:.5rem;border:1.5px dashed var(--line);border-radius:var(--radius-sm)}
.fm-build-hint{font-size:.82rem;color:var(--ink-faint);margin:.3rem 0 .6rem}
.fm-build-pool{display:flex;flex-wrap:wrap;gap:.4rem}
.fm-tile{font-family:var(--font-mono);font-size:1.05rem;font-weight:600;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.45rem .7rem;min-width:38px;cursor:pointer;transition:.14s}
.fm-tile:hover{border-color:var(--brand);background:var(--brand-soft)}
.fm-tile-built{border-color:var(--brand);background:var(--brand-soft)}
.fm-build.is-ok .fm-build-preview{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-build.is-bad .fm-build-preview{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 10%,transparent)}

/* 10) PERIODUSOS */
.fm-ptable-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.4rem}
.fm-ptable{display:grid;grid-template-columns:repeat(18,minmax(30px,1fr));gap:3px;min-width:600px}
.fm-pt-cell{aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:2px;font-family:var(--font-mono);border:1.4px solid var(--line);border-radius:5px;background:var(--paper);color:var(--ink);cursor:pointer;transition:.12s;line-height:1}
.fm-pt-cell:hover{border-color:var(--brand)}
.fm-pt-z{font-size:.5rem;color:var(--ink-faint)}
.fm-pt-sym{font-size:.85rem;font-weight:700}
.fm-pt-hi{background:var(--brand-soft)}
.fm-pt-cell.sel{border-color:var(--brand);background:var(--brand);color:#fff}
.fm-pt-cell.sel .fm-pt-z{color:rgba(255,255,255,.8)}
.fm-pt-cell.ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 30%,var(--paper));color:var(--ink)}
.fm-pt-cell.bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 25%,var(--paper))}

/* 11) MEMORIA */
.fm-mem-meta{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-faint);margin-bottom:.6rem}
.fm-mem-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(84px,1fr));gap:.55rem}
.fm-mem-card{position:relative;aspect-ratio:3/2;min-height:56px;display:grid;place-items:center;border:1.6px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;transition:.14s;padding:.3rem}
.fm-mem-card:hover{border-color:var(--ink-faint)}
.fm-mem-back{font-family:var(--font-display);font-size:1.4rem;font-weight:700;color:var(--ink-faint)}
.fm-mem-face{display:none;font-family:var(--font-mono);font-size:.92rem;font-weight:600;color:var(--ink);text-align:center;line-height:1.15}
.fm-mem-card.flipped,.fm-mem-card.matched{background:var(--brand-soft);border-color:var(--brand)}
.fm-mem-card.flipped .fm-mem-back,.fm-mem-card.matched .fm-mem-back{display:none}
.fm-mem-card.flipped .fm-mem-face,.fm-mem-card.matched .fm-mem-face{display:block}
.fm-mem-card.matched{background:color-mix(in srgb,var(--ok) 16%,transparent);border-color:var(--ok);cursor:default}

/* 12) MATRIX */
.fm-mtx-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.fm-mtx{border-collapse:collapse;width:100%;font-size:.9rem}
.fm-mtx th{font-family:var(--font-display);font-weight:600;font-size:.8rem;padding:.45rem .6rem;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.fm-mtx-rowh{text-align:left;white-space:nowrap}
.fm-mtx td{border:1px solid var(--line);text-align:center;padding:.3rem}
.fm-mtx-mark{width:26px;height:26px;border-radius:7px;border:1.6px solid var(--ink-faint);background:var(--paper);cursor:pointer;transition:.12s;display:inline-grid;place-items:center}
.fm-mtx-mark[role="radio"]{border-radius:50%}
.fm-mtx-mark:hover{border-color:var(--brand)}
.fm-mtx-mark.on{border-color:var(--brand);background:var(--brand)}
.fm-mtx-mark.on.is-ok{border-color:var(--ok);background:var(--ok)}
.fm-mtx-mark.on.is-bad{border-color:var(--diff-red);background:var(--diff-red)}
.fm-mtx-mark.is-ok:not(.on){border-color:var(--ok)}

/* 13) GRAFIKON */
.fm-graph-stage{position:relative;max-width:460px;margin:0 auto}
.fm-graph-bg svg{width:100%;height:auto;display:block}
.fm-graph-hit{position:absolute;inset:0;width:100%;height:100%;background:transparent;border:none;cursor:crosshair;padding:0}
.fm-graph-marker{position:absolute;width:16px;height:16px;border-radius:50%;background:var(--brand);border:2.5px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.3);transform:translate(-50%,-50%);pointer-events:none;z-index:2}
.fm-graph-marker.is-ok{background:var(--ok)}
.fm-graph-marker.is-bad{background:var(--diff-red)}
.fm-graph-target{position:absolute;width:30px;height:30px;border-radius:50%;border:2.5px dashed var(--ok);transform:translate(-50%,-50%);pointer-events:none;z-index:1}

/* 14) IGAZHAMIS */
.fm-tf-row{display:flex;align-items:center;gap:.8rem;padding:.6rem .2rem;border-bottom:1px solid var(--line);border-radius:6px;transition:.14s}
.fm-tf-row:last-child{border-bottom:none}
.fm-tf-txt{flex:1;font-size:.96rem;color:var(--ink);line-height:1.4}
.fm-tf-btns{display:flex;gap:.4rem;flex-shrink:0}
.fm-tf-btn{font-family:var(--font-display);font-weight:600;font-size:.82rem;color:var(--ink-soft);background:var(--paper);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:.35rem .7rem;cursor:pointer;transition:.12s}
.fm-tf-btn:hover{border-color:var(--ink-faint)}
.fm-tf-btn.sel{border-color:var(--brand);background:var(--brand);color:#fff}
.fm-tf-row.is-ok{background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-tf-row.is-bad{background:color-mix(in srgb,var(--diff-red) 11%,transparent)}

/* 15) KEPVALASZTO */
.fm-imgmcq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:.7rem}
.fm-imgmcq-opt{padding:.6rem;border:1.6px solid var(--line);border-radius:var(--radius);background:var(--paper);cursor:pointer;transition:.14s}
.fm-imgmcq-opt:hover{border-color:var(--ink-faint)}
.fm-imgmcq-opt.selected{border-color:var(--brand);background:var(--brand-soft)}
.fm-imgmcq-opt.is-ok{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-imgmcq-opt.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 11%,transparent)}
.fm-imgmcq-opt.is-correct{border-color:var(--ok);border-style:dashed}
.fm-imgmcq-img svg{width:100%;height:auto;display:block}

/* 16) HIGHLIGHT */
.fm-hl-line{font-family:var(--font-mono);font-size:1.3rem;line-height:1.9;text-align:center;word-break:break-word}
.fm-hl-tok{font:inherit;color:var(--ink);background:transparent;border:1.5px solid transparent;border-radius:5px;padding:.05rem .18rem;margin:0 1px;cursor:pointer;transition:.12s}
.fm-hl-tok:hover{background:var(--brand-soft)}
.fm-hl-tok.sel{background:var(--brand-soft);border-color:var(--brand)}
.fm-hl-tok.ok{background:color-mix(in srgb,var(--ok) 24%,transparent);border-color:var(--ok)}
.fm-hl-tok.bad{background:color-mix(in srgb,var(--diff-red) 20%,transparent);border-color:var(--diff-red)}

/* 17) OSSZEHASONLITO */
.fm-cmp-prog{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-faint);text-align:right;margin-bottom:.4rem}
.fm-cmp-rule{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--ink);text-align:center;margin-bottom:.9rem}
.fm-cmp-opts{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.fm-cmp-card{font-family:var(--font-mono);font-size:1.15rem;font-weight:600;color:var(--ink);background:var(--paper);border:1.6px solid var(--line);border-radius:var(--radius);padding:1.3rem .7rem;cursor:pointer;transition:.14s;min-height:70px}
.fm-cmp-card:hover{border-color:var(--brand);background:var(--brand-soft)}
.fm-cmp-card.is-bad{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 12%,transparent)}

/* 18) BUBOREK */
.fm-bub-info{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-faint);margin-bottom:.6rem}
.fm-bub-grid{display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center}
.fm-bub-cell{font-family:var(--font-mono);font-size:1rem;font-weight:600;color:var(--ink);background:var(--paper);border:1.6px solid var(--line);border-radius:22px;padding:.6rem 1rem;cursor:pointer;transition:.12s}
.fm-bub-cell:hover{border-color:var(--brand)}
.fm-bub-cell.hit{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 22%,transparent);color:var(--ink);opacity:.65;cursor:default}
.fm-bub-cell.miss{border-color:var(--diff-red);background:color-mix(in srgb,var(--diff-red) 18%,transparent);animation:fm-shake .4s}
@keyframes fm-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}

/* 19) HIGITAS */
.fm-dil{max-width:520px}
.fm-dil-readout{font-family:var(--font-mono);font-size:1.15rem;color:var(--ink);text-align:center;padding:.7rem;margin-bottom:1rem;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm)}
.fm-dil-readout strong{color:var(--brand-dark);font-size:1.35rem}
.fm-dil-readout.is-ok{border-color:var(--ok)}.fm-dil-readout.is-ok strong{color:var(--ok)}
.fm-dil-readout.is-bad{border-color:var(--diff-red)}.fm-dil-readout.is-bad strong{color:var(--diff-red)}
.fm-dil-var{margin-bottom:1rem}
.fm-dil-lab{display:flex;justify-content:space-between;font-size:.88rem;color:var(--ink-soft);margin-bottom:.35rem}
.fm-dil-cur{font-family:var(--font-mono);font-weight:600;color:var(--ink)}

/* 20) DIPOLUS */
.fm-dip-mol{max-width:320px;margin:0 auto 1.2rem}
.fm-dip-mol svg{width:100%;height:auto;display:block}
.fm-dip-row{display:flex;align-items:center;justify-content:space-between;gap:.8rem;flex-wrap:wrap;padding:.55rem .3rem;border-bottom:1px solid var(--line);border-radius:6px;transition:.14s}
.fm-dip-row:last-child{border-bottom:none}
.fm-dip-lab{font-size:.94rem;color:var(--ink)}
.fm-dip-row.is-ok{background:color-mix(in srgb,var(--ok) 12%,transparent)}
.fm-dip-row.is-bad{background:color-mix(in srgb,var(--diff-red) 11%,transparent)}

/* 21) LEWIS */
.fm-lewis-hint{font-size:.82rem;color:var(--ink-faint);margin-bottom:.6rem}
.fm-lewis-stage{max-width:420px;margin:0 auto}
.fm-lewis-svg{width:100%;height:auto;display:block}
.fm-lewis-bond{stroke:var(--ink);stroke-width:2.4}
.fm-lewis-atom{cursor:pointer}
.fm-lewis-atom circle{fill:var(--paper);stroke:var(--line);stroke-width:1.8;transition:.12s}
.fm-lewis-atom:hover circle{stroke:var(--brand)}
.fm-lewis-atom.sel circle{stroke:var(--brand);stroke-width:2.8;fill:var(--brand-soft)}
.fm-lewis-sym{font-family:var(--font-mono);font-size:15px;font-weight:700;fill:var(--ink)}
.fm-lewis.is-ok .fm-lewis-stage{outline:2px solid var(--ok);outline-offset:4px;border-radius:8px}
.fm-lewis.is-bad .fm-lewis-stage{outline:2px solid var(--diff-red);outline-offset:4px;border-radius:8px}

/* =================== RESZPONZÍV =================== */
@media (max-width:560px){
  .fm-match{grid-template-columns:1fr}
  .fm-eq-line{font-size:.95rem}
  .fm-num-input input{width:100%}
  .fm-odd-grid{grid-template-columns:1fr 1fr}
  .fm-cloze-text{line-height:2.4}
  .fm-oxid-row{gap:.6rem}
  .fm-build-preview{font-size:1.25rem}
  .fm-mem-grid{grid-template-columns:repeat(4,1fr)}
  .fm-tf-row{flex-direction:column;align-items:flex-start;gap:.4rem}
  .fm-hl-line{font-size:1.1rem}
  .fm-dip-row{flex-direction:column;align-items:flex-start;gap:.4rem}
}