/* MassaCoin — ARENA MASSACOIN (R242). Usa as variáveis/classes de css/dilemas-desafios.css (.dd). Mobile primeiro; sem rolagem horizontal. */
.ar{overflow-wrap:anywhere}
.ar *{min-width:0}
.ar-tabs{grid-template-columns:1fr 1fr}
.ar-tabs .dd-tab{position:relative;font-size:14px;line-height:1.2;padding:6px 8px}
.ar-dotn{position:absolute;top:2px;right:6px;min-width:18px;height:18px;padding:0 5px;border-radius:99px;font-size:11px;font-weight:800;line-height:18px;color:#2a1d00;background:var(--dd-gold2)}
.ar-panel{gap:14px}
.ar-sec{display:grid;gap:10px;padding:14px;border-radius:18px;background:var(--dd-bg);border:1px solid var(--dd-line);box-shadow:0 2px 10px rgba(15,43,96,.06)}
.ar-sec__h{display:flex;align-items:flex-start;gap:10px}
.ar-sec__t h3{margin:0;font-size:17px;line-height:1.25}
.ar-sec__t p{margin:3px 0 0;font-size:13px;line-height:1.35;color:var(--dd-mut)}
.ar-in{width:100%;box-sizing:border-box;min-height:44px;padding:10px 12px;border-radius:12px;border:1.5px solid rgba(15,43,96,.28);background:var(--dd-bg);color:inherit;font:inherit;font-size:16px}
textarea.ar-in{resize:vertical}
.ar-in:focus-visible{outline:3px solid var(--dd-gold);outline-offset:1px}
.ar-chk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dd-mut);min-height:32px}
.ar-chk input{width:20px;height:20px;flex:none}
.ar-mini{min-height:36px;padding:0 12px;border-radius:10px;border:1px solid var(--dd-line);background:var(--dd-bg);color:inherit;font:inherit;font-size:13px;font-weight:700;cursor:pointer}
.ar-mini.is-on{background:rgba(201,162,39,.2);border-color:var(--dd-gold)}
.ar-mini--g{font-weight:500;color:var(--dd-mut)}
.ar-mini:disabled{opacity:.65;cursor:default}
.ar-args{display:grid;gap:8px;padding-top:6px;border-top:1px dashed var(--dd-line)}
.ar-args__t{margin:0;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--dd-gold)}
.ar-arg{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;align-items:start;padding:8px 10px;border-radius:12px;background:var(--dd-bg);border:1px solid var(--dd-line)}
.ar-arg__side{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--dd-gold2);background:var(--dd-navy)}
.ar-arg__tx p{margin:0;font-size:14px;line-height:1.35}.ar-arg__tx small,.ar-arg__n{color:var(--dd-mut);font-size:12px}
.ar-arg__act{grid-column:2;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.ar-flash__wrap{display:grid;gap:6px}
.ar-flash__idle{display:grid;justify-items:start;gap:8px;padding:12px;border-radius:14px;background:var(--dd-soft);border:1px solid var(--dd-line)}
.ar-flash__idle p{margin:0;font-size:15px}
.ar-timer__row{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.ar-timer{flex:1;height:10px;border-radius:99px;background:var(--dd-soft);overflow:hidden;border:1px solid var(--dd-line)}
.ar-timer span{display:block;height:100%;width:100%;border-radius:99px;background:linear-gradient(90deg,#c0392b,var(--dd-gold));transition:width .2s linear}
.ar-timer__n{min-width:34px;text-align:right;font-size:15px}
.ar-friends,.ar-flist{display:grid;gap:8px}
.ar-fd{display:grid;gap:6px;padding:10px 12px;border-radius:14px;background:var(--dd-soft);border:1px solid var(--dd-line)}
.ar-fd__q{margin:0;font-size:15px;font-weight:600}
.ar-wiz{display:grid;gap:10px;padding:12px;border-radius:14px;background:var(--dd-soft);border:1px solid var(--dd-gold)}
.ar-fr{min-height:44px;padding:8px 12px;border-radius:12px;border:1px solid var(--dd-line);background:var(--dd-bg);color:inherit;font:inherit;text-align:left;cursor:pointer}
.ar-fr.is-on{border-color:var(--dd-gold);background:rgba(201,162,39,.16);font-weight:700}
.ar-ch{display:grid;gap:6px;width:100%;box-sizing:border-box;padding:12px;border-radius:14px;border:1px solid var(--dd-line);background:var(--dd-soft);color:inherit;font:inherit;text-align:left;cursor:pointer}
.ar-ch:hover{border-color:var(--dd-gold)}
.ar-ch__t{font-size:16px;line-height:1.3}.ar-ch__d{font-size:14px;color:var(--dd-mut);line-height:1.35}
.ar-form{display:grid;gap:10px}
.ar-file{font-size:14px;max-width:100%}
.ar-prev{width:100%;max-height:260px;object-fit:cover;border-radius:12px}
.ar-hint{color:var(--dd-mut);font-size:12px}
.ar-entries{display:grid;gap:10px}
.ar-entry{display:grid;gap:8px;padding:10px;border-radius:14px;background:var(--dd-soft);border:1px solid var(--dd-line)}
.ar-entry__img{width:100%;max-height:340px;object-fit:cover;border-radius:12px;background:var(--dd-line)}
.ar-entry__b{margin:0;font-size:15px;line-height:1.4}
.ar-entry__f{display:flex;align-items:center;justify-content:space-between;gap:8px}.ar-entry__f small{color:var(--dd-mut)}
.ar-wk{display:grid;gap:8px;padding:12px;border-radius:14px;background:var(--dd-soft);border:1px solid var(--dd-line)}
.ar-wk__d{margin:0;font-size:14px;color:var(--dd-mut)}.ar-wk__task{margin:0;font-size:15px;font-weight:600}
.ar-dots{display:flex;gap:6px;flex-wrap:wrap}
.ar-dot{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;border:1.5px solid var(--dd-line);background:var(--dd-bg)}
.ar-dot.is-on{color:#2a1d00;border-color:var(--dd-gold);background:linear-gradient(135deg,var(--dd-gold2),var(--dd-gold))}
.ar-parts{display:grid;gap:6px}
.ar-part{display:flex;justify-content:space-between;gap:10px;padding:8px 12px;border-radius:12px;background:var(--dd-soft);font-size:14px}
.ar-streak{display:grid;gap:2px}.ar-streak strong{font-size:22px}.ar-streak span{font-size:13px;color:var(--dd-mut)}
.ar-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.ar-badge{display:grid;gap:3px;justify-items:center;text-align:center;padding:12px 8px;border-radius:14px;border:1px solid var(--dd-line);background:var(--dd-soft);opacity:.55;filter:grayscale(1)}
.ar-badge.is-on{opacity:1;filter:none;border-color:var(--dd-gold);background:rgba(201,162,39,.12)}
.ar-badge__i{font-size:28px;line-height:1}.ar-badge b{font-size:14px}.ar-badge small{font-size:12px;color:var(--dd-mut);line-height:1.3}
.ar-wrap{flex-wrap:wrap;overflow:visible}
.ar-reveal{display:grid;gap:6px;padding:8px;border-radius:14px;border:1px dashed var(--dd-gold)}
@media (min-width:700px){.ar-badges{grid-template-columns:repeat(3,minmax(0,1fr))}.ar-tabs{grid-template-columns:repeat(4,1fr)}}
@media (min-width:1100px){.ar-badges{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.ar-timer span{transition:none}}