.captcha-overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.65);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:captchaOverlayFadeIn .48s cubic-bezier(.16,1,.3,1) forwards}.captcha-overlay.closing{animation:captchaOverlayFadeOut .38s cubic-bezier(.25,.8,.25,1) forwards;pointer-events:none}@keyframes captchaOverlayFadeIn{0%{opacity:0;backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0)}to{opacity:1;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}}@keyframes captchaOverlayFadeOut{0%{opacity:1;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}to{opacity:0;backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0)}}.captcha-modal{width:360px;max-width:92vw;background:#1c1c28;border-radius:16px;overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.5),0 0 0 1px hsla(0,0%,100%,.06);transform-origin:center center;animation:captchaBloomOpen .52s cubic-bezier(.34,1.25,.64,1) forwards;-webkit-user-select:none;-moz-user-select:none;user-select:none;will-change:transform,opacity,filter}.captcha-modal.closing{animation:captchaBloomClose .38s cubic-bezier(.25,.8,.25,1) forwards;pointer-events:none}@keyframes captchaBloomOpen{0%{transform:scale(.35);opacity:0;filter:blur(6px)}60%{opacity:1;transform:scale(1.028);filter:blur(0)}to{transform:scale(1);opacity:1;filter:blur(0)}}@keyframes captchaBloomClose{0%{transform:scale(1);opacity:1;filter:blur(0)}20%{transform:scale(1.018);opacity:.95}to{transform:scale(.35);opacity:0;filter:blur(6px)}}.captcha-header{padding:18px 20px 12px;text-align:center}.captcha-title{font-size:15px;font-weight:600;color:#e2e8f0;letter-spacing:.01em}.captcha-puzzle-area{position:relative;margin:0 20px;border-radius:10px;overflow:hidden;background:#0f0f1a;height:180px}.captcha-bg-canvas{display:block;width:100%;height:100%;border-radius:10px;transition:opacity .3s ease}.captcha-piece-canvas{position:absolute;top:0;height:100%;pointer-events:none;transition:opacity .3s ease;filter:drop-shadow(3px 3px 6px rgba(0,0,0,.6))}.captcha-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:5}.captcha-spinner{width:32px;height:32px;border:3px solid hsla(0,0%,100%,.1);border-top-color:#f59e0b;border-radius:50%;animation:captchaSpin .8s linear infinite}@keyframes captchaSpin{to{transform:rotate(1turn)}}.captcha-status-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:10;animation:captchaStatusPop .35s cubic-bezier(.34,1.56,.64,1)}@keyframes captchaStatusPop{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}.captcha-success-overlay{background:rgba(34,197,94,.12)}.captcha-fail-overlay{background:rgba(239,68,68,.12);animation:captchaShake .4s ease-out}@keyframes captchaShake{0%,to{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}.captcha-slider-container{position:relative;margin:16px 20px 0;height:44px;background:#2a2a3a;border-radius:22px;overflow:hidden;cursor:pointer}.captcha-slider-fill{position:absolute;top:0;left:0;height:100%;border-radius:22px;transition:background .3s ease}.captcha-slider-thumb{position:absolute;top:2px;width:48px;height:40px;border-radius:20px;background:linear-gradient(135deg,#f59e0b,#f97316);display:flex;align-items:center;justify-content:center;color:#fff;cursor:-webkit-grab;cursor:grab;transition:box-shadow .2s ease,transform .15s ease;z-index:5;box-shadow:0 2px 8px rgba(245,158,11,.4),0 0 0 0 rgba(245,158,11,0)}.captcha-slider-thumb:hover{box-shadow:0 4px 16px rgba(245,158,11,.5),0 0 0 4px rgba(245,158,11,.12)}.captcha-slider-thumb.dragging{cursor:-webkit-grabbing;cursor:grabbing;transform:scale(1.06);box-shadow:0 6px 24px rgba(245,158,11,.55),0 0 0 6px rgba(245,158,11,.15)}.captcha-slider-thumb.success{background:linear-gradient(135deg,#22c55e,#16a34a);box-shadow:0 4px 16px rgba(34,197,94,.5);cursor:default}.captcha-slider-thumb.fail{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 4px 16px rgba(239,68,68,.5);animation:captchaThumbShake .5s ease-out}@keyframes captchaThumbShake{0%,to{transform:translateX(0)}20%{transform:translateX(-4px)}40%{transform:translateX(6px)}60%{transform:translateX(-3px)}80%{transform:translateX(3px)}}.captcha-slider-hint{position:absolute;width:100%;text-align:center;line-height:44px;font-size:13px;font-weight:500;color:hsla(0,0%,100%,.35);pointer-events:none;letter-spacing:.02em}.captcha-status-content{display:flex;flex-direction:column;align-items:center;gap:8px}.captcha-accuracy{font-size:14px;font-weight:600;letter-spacing:.02em;text-shadow:0 1px 4px rgba(0,0,0,.4);animation:captchaAccFadeIn .4s ease-out .2s both}@keyframes captchaAccFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.captcha-accuracy-success{color:#4ade80}.captcha-accuracy-fail{color:#fca5a5}.captcha-time-text{font-size:13px;font-weight:500;color:hsla(0,0%,100%,.85);letter-spacing:.01em;text-shadow:0 1px 4px rgba(0,0,0,.4);animation:captchaAccFadeIn .4s ease-out .3s both}.captcha-footer{display:flex;align-items:center;justify-content:space-between;padding:12px 20px 16px}.captcha-footer-actions{display:flex;gap:8px}.captcha-action-btn{width:32px;height:32px;border:none;background:hsla(0,0%,100%,.06);border-radius:8px;color:hsla(0,0%,100%,.45);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.captcha-action-btn:hover{background:hsla(0,0%,100%,.12);color:hsla(0,0%,100%,.8);transform:translateY(-1px)}.captcha-action-btn:active{transform:translateY(0)}.captcha-accuracy-badge{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:.03em;animation:captchaAccFadeIn .3s ease-out}.captcha-accuracy-badge.badge-success{background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.25)}.captcha-accuracy-badge.badge-fail{background:rgba(239,68,68,.15);color:#fca5a5;border:1px solid rgba(239,68,68,.25)}body:not(.nightmode) .captcha-modal{background:#fff;box-shadow:0 24px 80px rgba(0,0,0,.18),0 0 0 1px rgba(0,0,0,.06)}body:not(.nightmode) .captcha-title{color:#1e293b}body:not(.nightmode) .captcha-puzzle-area{background:#f1f5f9}body:not(.nightmode) .captcha-slider-container{background:#e2e8f0}body:not(.nightmode) .captcha-slider-hint{color:rgba(0,0,0,.35)}body:not(.nightmode) .captcha-action-btn{background:rgba(0,0,0,.05);color:rgba(0,0,0,.4)}body:not(.nightmode) .captcha-action-btn:hover{background:rgba(0,0,0,.1);color:rgba(0,0,0,.7)}body:not(.nightmode) .captcha-accuracy-success{color:#16a34a}body:not(.nightmode) .captcha-accuracy-fail{color:#dc2626}body:not(.nightmode) .captcha-accuracy-badge.badge-success{background:rgba(34,197,94,.1);color:#16a34a;border-color:rgba(34,197,94,.2)}body:not(.nightmode) .captcha-accuracy-badge.badge-fail{background:rgba(239,68,68,.1);color:#dc2626;border-color:rgba(239,68,68,.2)}body:not(.nightmode) .captcha-time-text{color:#64748b}@media (max-width:400px){.captcha-modal{border-radius:12px}.captcha-puzzle-area{margin:0 14px}.captcha-slider-container{margin:14px 14px 0}.captcha-footer{padding:10px 14px 14px}.captcha-title{font-size:14px}.captcha-accuracy{font-size:12px}.captcha-accuracy-badge{font-size:11px;padding:3px 8px}}.captcha-time-badge{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:.03em;background:rgba(34,197,94,.15);color:#4ade80;border:1px solid rgba(34,197,94,.25);animation:captchaAccFadeIn .3s ease-out}body:not(.nightmode) .captcha-time-badge{background:rgba(34,197,94,.1);color:#16a34a;border-color:rgba(34,197,94,.2)}.captcha-error-banner{margin:12px 20px 0;padding:8px 12px;border-radius:8px;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.25);color:#fca5a5;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;text-align:center;animation:captchaAccFadeIn .3s ease-out}body:not(.nightmode) .captcha-error-banner{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.18);color:#dc2626}