body{background:#EFEAF9}
.addtoany_share_save_container{display:none!important}
/* RJE flashcard player — flip-card vocabulary trainer (all words free) */
.rjefc{--p1:#7B2FBF;--p2:#5E2394;--lav:#F1E9FF;--yel:#FFE81A;--red:#F0443E;--ink:#241733;--mut:#8A7CA8;--grn:#1E9E57;
  font-family:inherit;max-width:600px;margin:0 auto;padding:10px 10px 26px;box-sizing:border-box}
.rjefc *{box-sizing:border-box}
.rjefc-panel{background:var(--yel);border-radius:26px;padding:16px 14px 18px;box-shadow:0 18px 40px -18px rgba(66,32,120,.45)}
.rjefc-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.rjefc-backlink{display:inline-flex;align-items:center;gap:7px;background:#fff;color:var(--ink);text-decoration:none;
  font-weight:700;font-size:14px;padding:8px 14px;border-radius:999px;box-shadow:0 3px 8px rgba(66,32,120,.18)}
.rjefc-backlink i{width:9px;height:9px;border-radius:50%;background:var(--p1);display:inline-block}
.rjefc-pos{font-weight:800;font-size:15px;color:var(--ink);background:rgba(255,255,255,.65);padding:6px 12px;border-radius:999px}
.rjefc-prog{display:flex;align-items:center;gap:10px;margin:2px 2px 12px}
.rjefc-prog span{font-size:13px;font-weight:700;color:var(--ink);white-space:nowrap}
.rjefc-track{flex:1;height:8px;border-radius:99px;background:rgba(255,255,255,.75);overflow:hidden}
.rjefc-fill{height:100%;width:0;background:var(--p1);border-radius:99px;transition:width .35s ease}
.rjefc-scene{perspective:1500px;cursor:pointer;outline:none;-webkit-tap-highlight-color:transparent;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.rjefc-scene:focus-visible .rjefc-flip{outline:3px solid var(--p1);outline-offset:4px;border-radius:22px}
.rjefc-flip{position:relative;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.2,.8,.2,1),height .35s ease}
.rjefc-scene.on .rjefc-flip{transform:rotateY(180deg)}
.rjefc-face{position:absolute;inset:0;height:100%;grid-area:1/1;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:#fff;border-radius:22px;
  box-shadow:0 22px 36px -16px rgba(66,32,120,.35);padding:26px 22px 20px;position:relative;overflow:hidden;
  display:flex;flex-direction:column}
.rjefc-face::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:var(--p1)}
.rjefc-backface{transform:rotateY(180deg)}
.rjefc-word{text-align:center;font-size:64px;line-height:1.25;color:var(--red);font-weight:700;margin:14px 0 6px}
.rjefc-word rt{font-size:19px;color:var(--p1);font-weight:600}
.rjefc-word.w5{font-size:52px}.rjefc-word.w7{font-size:42px}
.rjefc-div{border-top:3px dotted #D8CCF2;margin:14px 6px 16px}
.rjefc-mean{font-size:17px;line-height:1.55;color:var(--ink);margin:5px 2px}
.rjefc-mean b{color:var(--p1);font-weight:800}
.rjefc-hint{margin-top:auto;padding-top:16px;text-align:center;font-size:13.5px;color:var(--mut)}
.rjefc-frontbody{flex:1;display:flex;flex-direction:column;justify-content:center}
.rjefc-backhead{text-align:center;margin-bottom:12px}
.rjefc-backhead .bw{font-size:30px;color:var(--red);font-weight:700}
.rjefc-backhead .bw rt{font-size:13px;color:var(--p1)}
.rjefc-backhead .bbn{display:block;font-size:15.5px;color:var(--ink);margin-top:3px}
.rjefc-exlist{display:flex;flex-direction:column;gap:9px}
.rjefc-ex{background:var(--lav);border-left:4px solid var(--p1);border-radius:10px;padding:9px 12px}
.rjefc-exja{font-size:calc(16.5px * var(--exfs,1));line-height:1.9;color:var(--ink)}
.rjefc-exja rt{font-size:.58em;color:var(--p1)}
.rjefc-exbn{font-size:calc(14px * var(--exfs,1));line-height:1.5;color:#4A3A66;margin-top:2px}
.rjefc-tools{display:flex;gap:10px;margin-top:14px}
.rjefc-tool{flex:1;background:#fff;border:2px solid #E3D9F7;color:var(--ink);font-size:15.5px;font-weight:700;
  padding:11px 8px;border-radius:14px;cursor:pointer;transition:all .2s}
.rjefc-tool:active{transform:scale(.97)}
.rjefc-tool.known-on{background:var(--grn);border-color:var(--grn);color:#fff}
.rjefc-nav{display:flex;gap:10px;margin-top:10px}
.rjefc-btn{flex:1;background:var(--p1);color:#fff;border:none;font-size:16px;font-weight:800;letter-spacing:.4px;
  padding:13px 8px;border-radius:999px;cursor:pointer;transition:all .2s;box-shadow:0 8px 18px -8px rgba(94,35,148,.7)}
.rjefc-btn:hover:not(:disabled){background:var(--p2)}
.rjefc-btn:active:not(:disabled){transform:scale(.98)}
.rjefc-btn:disabled{background:#C9B8E8;box-shadow:none;cursor:default}
.rjefc-brand{text-align:center;margin-top:14px;font-size:12.5px;color:var(--mut)}
/* chapter board (phase pages): learned counts injected into chapter cards */
.rjefc-learned{display:block;margin-top:6px;font-size:13px;font-weight:700;color:#7B2FBF}
.rjefc-bar{height:6px;border-radius:99px;background:#ECE9F4;overflow:hidden;margin-top:5px}
.rjefc-bar i{display:block;height:100%;background:#7B2FBF;border-radius:99px}
.rjefc-total{max-width:600px;margin:10px auto;padding:10px 16px;background:#F1E9FF;border-radius:14px;
  font-weight:700;color:#241733;text-align:center;font-size:15px}
@media (max-width:480px){
  .rjefc-word{font-size:54px}.rjefc-word.w5{font-size:44px}.rjefc-word.w7{font-size:36px}
  .rjefc-face{padding:20px 15px 16px}
  .rjefc-mean{font-size:16px}
}

.rjefc-noabs .rjefc-flip{display:grid;height:auto!important}
.rjefc-noabs .rjefc-face{position:relative;inset:auto;height:auto}
.rjefc-phasehead{font-weight:800;color:#5E2394;font-size:16px;margin:20px 2px 4px}