*{box-sizing:border-box}
:root{--ink:#1f2340;--mut:#5c6080;--bg:#f5f7ff;--pri:#3b5bdb;--r:16px}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Heebo","Rubik","Assistant",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;font-size:17px;overflow-x:hidden}
a{color:#364fc7}
.wrap{max-width:1000px;margin:0 auto;padding:0 14px}
.skip{position:absolute;right:-999px;top:0;background:#fff;padding:8px;z-index:9}.skip:focus{right:8px}
:focus-visible{outline:3px solid #fab005;outline-offset:2px}
header.top{background:linear-gradient(135deg,#3b5bdb,#7048e8 55%,#e64980);color:#fff;padding:10px 0 0;box-shadow:0 2px 10px rgba(40,40,160,.25);position:sticky;top:0;z-index:5}
.hrow{display:flex;align-items:center;gap:10px}
.home{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:1;min-width:0}
.hico{font-size:32px;line-height:1}.htxt{display:flex;flex-direction:column;min-width:0}
.h1{font-size:21px;font-weight:800;line-height:1.2}.hsub{font-size:13px;opacity:.92}
img.rl-top{display:block;width:56px;height:56px;flex:0 0 56px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.22)}
img.rl-foot{width:72px;height:72px;border-radius:50%;object-fit:cover;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.22);flex:0 0 72px}
.tabs{display:flex;gap:6px;overflow-x:auto;padding:8px 14px 10px;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:0 0 auto;color:#fff;text-decoration:none;background:rgba(255,255,255,.18);border-radius:999px;padding:8px 13px;font-weight:700;font-size:15px;white-space:nowrap}
.tabs a.on{background:#fff;color:#3b5bdb}
main{padding:16px 14px 30px;outline:none}
h2{font-size:24px;margin:6px 0 10px;line-height:1.25}h3{font-size:19px;margin:0 0 6px}
.lead{font-size:17px;color:var(--mut);margin:0 0 12px}
.box{background:#fff;border-radius:var(--r);padding:14px;box-shadow:0 2px 8px rgba(50,50,120,.08);margin:0 0 14px}
.poem{background:#fff;border-radius:var(--r);padding:18px 16px;box-shadow:0 2px 10px rgba(50,50,120,.1);border-inline-start:6px solid #7048e8;margin-bottom:14px}
.poem h2{margin:0 0 2px}.poem .by{color:var(--mut);margin:0 0 12px;font-weight:700}
.poem ol{list-style:none;margin:0;padding:0;font-family:"Frank Ruhl Libre","David CLM",serif;font-size:21px;line-height:1.75}
.poem li{display:flex;gap:10px}.poem .n{font-family:Heebo,sans-serif;font-size:12px;color:#adb5bd;min-width:16px;padding-top:8px}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media(min-width:760px){.grid{grid-template-columns:repeat(3,1fr)}}
.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:4px;min-height:104px;padding:12px 8px;border-radius:var(--r);background:#fff;text-decoration:none;color:var(--ink);font-weight:800;font-size:17px;box-shadow:0 2px 8px rgba(50,50,120,.1);border:2px solid transparent}
.tile .e{font-size:34px;line-height:1.1}.tile small{font-weight:500;color:var(--mut);font-size:13px}
.tile:hover{border-color:#bac8ff}
.dh{display:flex;align-items:center;gap:10px;border-radius:var(--r);padding:14px;color:#fff;margin-bottom:12px}
.dh .e{font-size:40px}.dh h2{margin:0;color:#fff}.dh p{margin:2px 0 0;opacity:.95}
.lvf{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 12px}
.chip{border:2px solid #dbe4ff;background:#fff;border-radius:999px;padding:9px 14px;font:inherit;font-weight:700;cursor:pointer;min-height:44px;color:var(--ink)}
.chip.on{background:#3b5bdb;border-color:#3b5bdb;color:#fff}
.task{background:#fff;border-radius:var(--r);padding:14px;margin-bottom:12px;box-shadow:0 2px 8px rgba(50,50,120,.08);border-inline-start:6px solid var(--c)}
.task .lv{font-size:13px;font-weight:800;color:var(--mut)}
.task ol{margin:6px 0 0;padding-inline-start:22px}.task li{margin:4px 0}
.ans{margin-top:10px;background:#f8f9fa;border-radius:12px;padding:10px 12px;border:1px dashed #adb5bd;font-size:16px}
.ans b{color:#2b8a3e}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:14px;padding:12px 18px;min-height:52px;font:inherit;font-weight:800;font-size:17px;cursor:pointer;background:#3b5bdb;color:#fff;text-decoration:none;box-shadow:0 2px 6px rgba(59,91,219,.3)}
.btn.sec{background:#fff;color:#3b5bdb;border:2px solid #3b5bdb;box-shadow:none}
.btn.big{width:100%;font-size:18px;min-height:58px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.teach{display:flex;align-items:center;gap:10px;background:#fff9db;border:1px solid #ffe066;border-radius:12px;padding:10px 12px;margin:0 0 12px;cursor:pointer;font-weight:700}
.teach input{width:24px;height:24px;accent-color:#3b5bdb}
/* memory */
.mem{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
@media(min-width:600px){.mem{grid-template-columns:repeat(4,1fr)}}
.mc{position:relative;aspect-ratio:3/3.4;border:0;border-radius:14px;cursor:pointer;font:inherit;padding:0;background:transparent;perspective:600px}
.mc .in{position:absolute;inset:0;transition:transform .35s;transform-style:preserve-3d}
.mc.f .in,.mc.m .in{transform:rotateY(180deg)}
.mc .fr,.mc .bk{position:absolute;inset:0;border-radius:14px;display:flex;align-items:center;justify-content:center;text-align:center;padding:6px;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.mc .bk{background:linear-gradient(135deg,#4c6ef5,#ae3ec9);color:#fff;font-size:30px;box-shadow:0 2px 6px rgba(0,0,0,.15)}
.mc .fr{background:#fff;transform:rotateY(180deg);font-weight:800;font-size:16px;line-height:1.3;border:3px solid #bac8ff;color:var(--ink)}
.mc.m .fr{border-color:#40c057;background:#ebfbee}
.stat{display:flex;justify-content:space-between;font-weight:700;color:var(--mut);margin:8px 0}
/* sort */
.sortcard{background:#fff;border-radius:16px;padding:20px 14px;text-align:center;font-size:20px;font-weight:800;box-shadow:0 3px 12px rgba(50,50,120,.15);margin:8px 0 12px;min-height:96px;display:flex;align-items:center;justify-content:center;border:3px solid #dbe4ff}
.sortcard.ok{border-color:#40c057;background:#ebfbee}.sortcard.no{border-color:#fa5252;background:#fff5f5}
.bins{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media(min-width:600px){.bins{grid-template-columns:repeat(5,1fr)}}
.bin{border:0;border-radius:14px;padding:12px 6px;min-height:64px;font:inherit;font-weight:800;font-size:17px;color:#fff;cursor:pointer}
.fb{min-height:28px;font-weight:700;margin:6px 0;text-align:center}
/* quiz */
.qopt{display:block;width:100%;text-align:start;border:2px solid #dbe4ff;background:#fff;border-radius:14px;padding:12px 14px;margin:8px 0;font:inherit;font-size:17px;font-weight:600;cursor:pointer;min-height:52px;color:var(--ink)}
.qopt.ok{border-color:#40c057;background:#ebfbee}.qopt.no{border-color:#fa5252;background:#fff5f5}
.qtag{display:inline-block;color:#fff;border-radius:999px;padding:2px 10px;font-size:13px;font-weight:800}
.prog{height:8px;background:#e9ecef;border-radius:8px;overflow:hidden;margin:8px 0}.prog i{display:block;height:100%;background:#3b5bdb}
/* stanza */
.pick{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 12px}
.pick .chip{font-family:"Frank Ruhl Libre",serif;font-size:17px}
textarea,input[type=text]{width:100%;font:inherit;font-size:17px;padding:10px;border-radius:12px;border:2px solid #dbe4ff;background:#fff}
.out{white-space:pre-line;font-family:"Frank Ruhl Libre","David CLM",serif;font-size:20px;line-height:1.75;background:#fff;border-radius:var(--r);padding:16px;border-inline-start:6px solid #e64980;min-height:80px}
/* big card */
.bigcard{border-radius:20px;padding:22px 18px;color:#fff;min-height:220px;display:flex;flex-direction:column;justify-content:center;gap:10px;box-shadow:0 6px 18px rgba(0,0,0,.18);margin:10px 0}
.bigcard .t{font-size:15px;font-weight:800;opacity:.95}.bigcard .q{font-size:22px;font-weight:800;line-height:1.4}
.files a.btn{width:100%;margin:6px 0;justify-content:flex-start}
.note{font-size:15px;color:var(--mut)}
footer{background:#fff;border-top:1px solid #e9ecef;padding:16px 0 26px;font-size:15px;color:var(--mut)}
.frow{display:flex;gap:12px;align-items:center}.frow p{margin:2px 0}.cred{font-weight:800;color:var(--ink)}
@media(min-width:768px){img.rl-top{width:64px;height:64px;flex-basis:64px}}