/* Polyglot AI 7.4 - Vocabulary memory cycle */
:root{--v74-bg:#0c1730;--v74-panel:#172747;--v74-line:rgba(255,255,255,.12);--v74-soft:#b9c8e4;--v74-main:#8b5cf6;--v74-ok:#34d399;--v74-warn:#fbbf24;--v74-bad:#fb7185}
.v74-review-fab{position:fixed;right:18px;bottom:148px;z-index:2800;border:1px solid var(--v74-line);background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff;border-radius:16px;min-height:48px;padding:9px 13px;display:flex;align-items:center;gap:9px;box-shadow:0 15px 45px rgba(0,0,0,.34);font-weight:800;cursor:pointer}.v74-review-fab span{display:grid;place-items:center;min-width:23px;height:23px;border-radius:999px;background:#fff;color:#4f46e5;font-size:11px}.v74-review-fab[data-count="0"]{background:rgba(20,34,62,.96);color:#d8e3f7}
.v74-overlay{position:fixed;inset:0;z-index:99999;background:rgba(2,7,18,.82);backdrop-filter:blur(12px);display:grid;place-items:center;padding:18px}.v74-shell{width:min(760px,100%);max-height:min(880px,96dvh);overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--v74-line);border-radius:28px;background:linear-gradient(165deg,#20345c,#0d1930 82%);box-shadow:0 35px 100px rgba(0,0,0,.58);color:#f8fbff}.v74-head{display:flex;align-items:center;gap:12px;padding:15px 17px;border-bottom:1px solid var(--v74-line);background:rgba(10,19,37,.64)}.v74-head-copy{min-width:0;flex:1}.v74-head h2{margin:0;font-size:20px}.v74-head p{margin:3px 0 0;color:var(--v74-soft);font-size:12px}.v74-close{width:42px;height:42px;border-radius:13px;border:1px solid var(--v74-line);background:rgba(255,255,255,.06);color:#fff;font-size:22px;cursor:pointer}.v74-progress{height:5px;background:rgba(255,255,255,.08)}.v74-progress i{display:block;height:100%;background:linear-gradient(90deg,#8b5cf6,#38bdf8,#34d399);transition:width .2s}.v74-body{padding:18px;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.v74-stage{text-align:center}.v74-type{display:inline-flex;border:1px solid var(--v74-line);border-radius:999px;padding:6px 10px;color:#cdd8ee;font-size:10px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.v74-prompt{font-size:18px;color:#dce6f8;margin:18px 0 8px}.v74-word{font-family:"Noto Sans CJK SC","Noto Sans CJK JP","Noto Sans CJK KR","Microsoft YaHei","Yu Gothic","Malgun Gothic",system-ui,sans-serif;font-size:clamp(38px,7vw,66px);font-weight:850;line-height:1.25;margin:8px 0;overflow-wrap:anywhere}.v74-reading{font-size:clamp(18px,3.5vw,27px);color:#a9c6ff;margin:5px 0 18px}.v74-speak{border:1px solid var(--v74-line);background:rgba(255,255,255,.07);color:#fff;border-radius:13px;min-height:45px;padding:8px 13px;font-weight:800;cursor:pointer}.v74-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}.v74-option{min-height:60px;border:1px solid var(--v74-line);background:rgba(255,255,255,.055);color:#fff;border-radius:15px;padding:12px;text-align:left;font-size:15px;font-weight:700;cursor:pointer}.v74-option:hover{border-color:rgba(167,139,250,.55);background:rgba(139,92,246,.13)}.v74-option.correct{border-color:var(--v74-ok);background:rgba(52,211,153,.16)}.v74-option.wrong{border-color:var(--v74-bad);background:rgba(251,113,133,.16)}.v74-write{margin-top:18px;display:flex;gap:9px}.v74-input{flex:1;min-height:50px;border:1px solid var(--v74-line);border-radius:14px;background:rgba(255,255,255,.06);color:#fff;padding:10px 13px;font-size:18px}.v74-submit{border:0;border-radius:14px;background:linear-gradient(135deg,#8b5cf6,#4f46e5);color:#fff;padding:0 18px;font-weight:850;cursor:pointer}.v74-feedback{margin-top:14px;border-radius:15px;padding:12px 14px;text-align:left;background:rgba(255,255,255,.05);border:1px solid var(--v74-line)}.v74-feedback.ok{border-color:rgba(52,211,153,.42)}.v74-feedback.bad{border-color:rgba(251,113,133,.42)}.v74-feedback b{display:block;margin-bottom:4px}.v74-next{width:100%;margin-top:12px;min-height:48px;border:0;border-radius:14px;background:linear-gradient(135deg,#8b5cf6,#4f46e5);color:#fff;font-weight:850;cursor:pointer}.v74-summary{text-align:center}.v74-score{font-size:64px;font-weight:900;margin:8px 0;color:#fff}.v74-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:16px 0}.v74-summary-grid article{border:1px solid var(--v74-line);background:rgba(255,255,255,.05);border-radius:15px;padding:12px}.v74-summary-grid b{display:block;font-size:24px}.v74-summary-grid span{font-size:11px;color:var(--v74-soft)}.v74-due-list{display:flex;flex-direction:column;gap:8px;text-align:left}.v74-due-row{display:grid;grid-template-columns:1fr auto;gap:10px;border:1px solid var(--v74-line);border-radius:14px;padding:11px;background:rgba(255,255,255,.04)}.v74-due-row b{font-size:16px}.v74-due-row small{display:block;color:var(--v74-soft);margin-top:3px}.v74-empty{padding:34px 10px;text-align:center}.v74-empty .icon{font-size:46px}.v74-empty h3{font-size:22px;margin:10px 0 5px}.v74-empty p{color:var(--v74-soft);line-height:1.6}.v74-actions{display:flex;gap:9px;justify-content:center;flex-wrap:wrap}.v74-btn{min-height:44px;border:1px solid var(--v74-line);background:rgba(255,255,255,.06);color:#fff;border-radius:13px;padding:9px 14px;font-weight:800;cursor:pointer}.v74-btn.primary{border:0;background:linear-gradient(135deg,#8b5cf6,#4f46e5)}
@media(max-width:980px){.v74-review-fab{right:10px;bottom:calc(82px + env(safe-area-inset-bottom));min-width:46px;width:46px;padding:0;justify-content:center;border-radius:15px}.v74-review-fab strong{display:none}.v74-overlay{padding:0}.v74-shell{width:100vw;height:100dvh;max-height:none;border-radius:0}.v74-head{padding:calc(10px + env(safe-area-inset-top)) 12px 10px}.v74-body{padding:15px 12px calc(24px + env(safe-area-inset-bottom))}.v74-options{grid-template-columns:1fr}.v74-option{min-height:56px}.v74-write{flex-direction:column}.v74-submit{min-height:48px}.v74-summary-grid{grid-template-columns:1fr 1fr}.v74-summary-grid article:last-child{grid-column:1/-1}.v74-word{font-size:clamp(42px,13vw,64px)}.v74-reading{font-size:clamp(20px,6vw,28px)}}