/* Captcha do site: cartão limpo, desafio em imagem, controle deslizante, animações leves. */
.cap { --cap-accent: var(--accent, #f2b84b); position: relative; margin: 4px 0 2px; padding: 14px; border-radius: 18px; border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in srgb, var(--cap-accent) 7%, var(--surface)), var(--surface)); box-shadow: 0 1px 0 rgba(255, 255, 255, .5) inset, 0 8px 24px -16px rgba(0, 0, 0, .35);
  transition: border-color .25s, box-shadow .25s; max-width: 100%; overflow: hidden; }
.cap.is-solved { border-color: color-mix(in srgb, #22c55e 60%, var(--border)); background: linear-gradient(180deg, color-mix(in srgb, #22c55e 10%, var(--surface)), var(--surface)); }
.cap.is-error { border-color: color-mix(in srgb, #ef4444 55%, var(--border)); }
.cap-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.cap-badge { flex: none; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; color: #3b2a00; background: linear-gradient(145deg, #ffe29a, var(--cap-accent)); box-shadow: 0 2px 6px rgba(0, 0, 0, .2); }
.cap-badge svg { width: 18px; height: 18px; }
.cap.is-solved .cap-badge { color: #052e16; background: linear-gradient(145deg, #86efac, #22c55e); }
.cap-head-text { min-width: 0; flex: 1; display: grid; }
.cap-title { font-size: .95rem; line-height: 1.2; }
.cap-sub { color: var(--text-soft); font-size: .78rem; line-height: 1.3; }
.cap-refresh { flex: none; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text-soft); cursor: pointer; transition: transform .35s, color .2s, border-color .2s; }
.cap-refresh:hover { color: var(--text); border-color: var(--cap-accent); transform: rotate(180deg); }
.cap-refresh svg { width: 16px; height: 16px; }
.cap.is-solved .cap-refresh { display: none; }
.cap-body { min-height: 60px; }
.cap-challenge { display: grid; gap: 10px; animation: cap-in .35s ease both; }
.cap-prompt { margin: 0; font-weight: 700; text-align: center; font-size: 1rem; }
.cap-hint { margin: 0; text-align: center; color: var(--text-soft); font-size: .8rem; }
.cap-msg { margin: 8px 0 0; min-height: 1.1em; font-size: .85rem; text-align: center; color: var(--text-soft); }
.cap-msg.is-error { color: #dc2626; }
.cap-msg.is-warn { color: #b45309; font-weight: 600; }
.cap-stage { position: relative; width: 100%; max-width: 330px; margin: 0 auto; border-radius: 14px; overflow: hidden; background: color-mix(in srgb, var(--text) 8%, var(--surface)); box-shadow: 0 6px 18px -10px rgba(0, 0, 0, .5); line-height: 0; user-select: none; -webkit-user-select: none; touch-action: manipulation; }
.cap-stage img { width: 100%; height: auto; display: block; pointer-events: none; }
.cap-piece { position: absolute; width: auto; max-width: none; filter: drop-shadow(0 3px 4px rgba(0, 0, 0, .55)); transition: transform .15s; }
.cap-stage.is-drag .cap-piece { transform: scale(1.06); }
.cap-stage--round { width: min(100%, 220px); aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--text) 8%, var(--surface)), color-mix(in srgb, var(--text) 16%, var(--surface))); box-shadow: 0 0 0 4px var(--surface), 0 0 0 5px var(--border), 0 10px 24px -12px rgba(0, 0, 0, .6); }
.cap-spin { transition: transform .08s linear; transform-origin: 50% 50%; }
.cap-stage--tap { cursor: crosshair; outline-offset: 3px; }
.cap-stage--tap:focus-visible { outline: 3px solid var(--cap-accent); }
.cap-stage--math { max-width: 260px; cursor: default; }
.cap-cross { position: absolute; width: 26px; height: 26px; margin: -13px 0 0 -13px; border: 2px solid #fff; border-radius: 50%; box-shadow: 0 0 0 2px rgba(0, 0, 0, .55); pointer-events: none; }
.cap-cross[hidden] { display: none; }
.cap-ripple { position: absolute; width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 0 0 2px rgba(0, 0, 0, .35); pointer-events: none; animation: cap-ripple .65s ease-out forwards; }
.cap-mark { position: absolute; width: 26px; height: 26px; margin: -13px 0 0 -13px; display: grid; place-items: center; border-radius: 50%; background: #111827; color: #fff; font: 700 .8rem/1 var(--font-body, system-ui); border: 2px solid #fff; box-shadow: 0 3px 8px rgba(0, 0, 0, .5); pointer-events: none; animation: cap-pop .25s cubic-bezier(.2, 1.4, .4, 1) both; }
.cap-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; max-width: 330px; width: 100%; margin: 0 auto; }
.cap-dots { display: inline-flex; gap: 6px; }
.cap-dots i { width: 10px; height: 10px; border-radius: 50%; background: color-mix(in srgb, var(--text) 18%, transparent); transition: background .2s, transform .2s; }
.cap-dots i.is-on { background: var(--cap-accent); transform: scale(1.2); }
.cap-answer { display: flex; gap: 8px; justify-content: center; align-items: center; }
.cap-number { width: 96px; text-align: center; font-size: 1.15rem; font-weight: 700; letter-spacing: 0; }
/* Controle deslizante */
.cap-slider { width: 100%; max-width: 330px; margin: 0 auto; padding: 4px 0; }
.cap-range { -webkit-appearance: none; appearance: none; width: 100%; height: 44px; margin: 0; background: transparent; cursor: grab; touch-action: pan-y; --cap-fill: 0%; }
.cap-range:active { cursor: grabbing; }
.cap-range:focus-visible { outline: none; }
.cap-range::-webkit-slider-runnable-track { height: 14px; border-radius: 99px; background: linear-gradient(90deg, var(--cap-accent) var(--cap-fill), color-mix(in srgb, var(--text) 14%, transparent) var(--cap-fill)); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .25); }
.cap-range::-moz-range-track { height: 14px; border-radius: 99px; background: color-mix(in srgb, var(--text) 14%, transparent); box-shadow: inset 0 1px 3px rgba(0, 0, 0, .25); }
.cap-range::-moz-range-progress { height: 14px; border-radius: 99px; background: var(--cap-accent); }
.cap-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 44px; height: 44px; margin-top: -15px; border-radius: 50%; border: 3px solid #fff; background: radial-gradient(circle at 35% 30%, #fff1c2, var(--cap-accent) 55%, #b9770a); box-shadow: 0 4px 10px rgba(0, 0, 0, .4); transition: transform .15s; }
.cap-range::-moz-range-thumb { width: 38px; height: 38px; border-radius: 50%; border: 3px solid #fff; background: radial-gradient(circle at 35% 30%, #fff1c2, var(--cap-accent) 55%, #b9770a); box-shadow: 0 4px 10px rgba(0, 0, 0, .4); }
.cap-range:active::-webkit-slider-thumb { transform: scale(1.1); }
.cap-range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px color-mix(in srgb, var(--cap-accent) 45%, transparent), 0 4px 10px rgba(0, 0, 0, .4); }
.cap-range:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px color-mix(in srgb, var(--cap-accent) 45%, transparent), 0 4px 10px rgba(0, 0, 0, .4); }
/* Carregando, conferindo, acerto e erro */
.cap-skeleton { height: 120px; border-radius: 14px; background: linear-gradient(100deg, color-mix(in srgb, var(--text) 7%, transparent) 30%, color-mix(in srgb, var(--text) 14%, transparent) 50%, color-mix(in srgb, var(--text) 7%, transparent) 70%); background-size: 200% 100%; animation: cap-shimmer 1.2s linear infinite; }
.cap-skeleton--bar { height: 14px; margin-top: 12px; border-radius: 99px; }
.cap.is-verifying .cap-stage { opacity: .75; }
.cap.is-verifying .cap-range, .cap.is-verifying .cap-answer { pointer-events: none; }
.cap.is-wrong .cap-challenge { animation: cap-shake .45s ease; }
.cap.is-nudge { animation: cap-nudge .6s ease; border-color: var(--cap-accent); }
.cap-done { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 10px 0; animation: cap-in .3s ease both; }
.cap-done strong { font-size: .95rem; }
.cap-check { width: 34px; height: 34px; flex: none; fill: none; stroke: #16a34a; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.cap-check-ring { stroke-dasharray: 70; stroke-dashoffset: 70; animation: cap-draw .5s ease forwards; }
.cap-check-tick { stroke-dasharray: 20; stroke-dashoffset: 20; animation: cap-draw .35s .35s ease forwards; }
@keyframes cap-in { from { opacity: 0; transform: translateY(6px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes cap-shimmer { to { background-position: -200% 0; } }
@keyframes cap-draw { to { stroke-dashoffset: 0; } }
@keyframes cap-shake { 0%, 100% { transform: none; } 20% { transform: translateX(-7px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }
@keyframes cap-nudge { 0%, 100% { transform: none; } 30% { transform: scale(1.015); } 60% { transform: scale(.995); } }
@keyframes cap-pop { from { transform: scale(.3); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes cap-ripple { from { transform: scale(.4); opacity: 1; } to { transform: scale(3.2); opacity: 0; } }
@media (max-width: 380px) { .cap { padding: 12px; } .cap-sub { display: none; } }
@media (prefers-reduced-motion: reduce) { .cap *, .cap { animation: none !important; transition: none !important; } .cap-check-ring, .cap-check-tick { stroke-dashoffset: 0; } }

/* ---- DS 4 "Sala escura": o captcha segue o resto do sistema — superfície lisa, sem degradê nem brilho ---- */
.cap { border-radius: 12px; background: var(--surface); box-shadow: none; border-color: var(--line, var(--border)); }
.cap.is-solved { background: var(--surface); border-color: color-mix(in srgb, #16a34a 55%, var(--border)); }
.cap-badge { width: 32px; height: 32px; border-radius: 8px; background: var(--surface-2, color-mix(in srgb, var(--text) 6%, var(--surface))); color: var(--accent-text, var(--cap-accent)); box-shadow: inset 0 0 0 1px var(--line, var(--border)); }
.cap.is-solved .cap-badge { background: color-mix(in srgb, #16a34a 14%, var(--surface)); color: #15803d; box-shadow: none; }
:root[data-theme="dark"] .cap.is-solved .cap-badge, :root[data-theme="neon"] .cap.is-solved .cap-badge { color: #4ade80; }
.cap-refresh { border-radius: 8px; }
.cap-stage { border-radius: 8px; box-shadow: none; }
.cap-stage--round { box-shadow: 0 0 0 4px var(--surface), 0 0 0 5px var(--border); }
.cap-range::-webkit-slider-runnable-track { box-shadow: none; }
.cap-range::-moz-range-track { box-shadow: none; }
.cap-range::-webkit-slider-thumb { background: var(--cap-accent); box-shadow: 0 1px 3px rgba(0, 0, 0, .35); }
.cap-range::-moz-range-thumb { background: var(--cap-accent); box-shadow: 0 1px 3px rgba(0, 0, 0, .35); }
.cap-skeleton { border-radius: 8px; }