.ulst{--ust-bg:#fff;--ust-text:#292039;--ust-border:#e7dff1;box-sizing:border-box;background:var(--ust-bg);color:var(--ust-text);border:1px solid var(--ust-border);border-radius:20px;padding:28px;margin:28px 0;font-family:inherit;line-height:1.65;max-width:100%}.ulst *{box-sizing:border-box}.ulst-kicker{color:#8051c8;font-size:11px;font-weight:750;letter-spacing:.12em}.ulst h2{font-size:25px;margin:8px 0}.ulst h3{font-size:19px}.ulst header p{margin:6px 0 20px;opacity:.8}.ulst-actions{display:flex;flex-wrap:wrap;gap:10px}.ulst button,.ulst-upgrade{border:1px solid #7440c5;border-radius:12px;padding:12px 18px;background:#7440c5;color:#fff;font:inherit;font-weight:650;cursor:pointer;text-decoration:none;display:inline-block}.ulst-actions button+button{background:transparent;color:var(--ust-text);border-color:var(--ust-border)}.ulst button:disabled{opacity:.6;cursor:wait}.ulst button:focus-visible,.ulst a:focus-visible,.ulst input:focus-visible{outline:3px solid #a881ee;outline-offset:3px}.ulst-status{font-size:14px}.ulst-output:empty{display:none}.ulst-output{border-top:1px solid var(--ust-border);padding-top:15px;margin-top:15px}.ulst-summary{white-space:pre-wrap}.ulst small{display:block;font-size:12px;opacity:.7;margin-top:20px}.ulst fieldset{min-width:0;border:1px solid var(--ust-border);border-radius:12px;padding:16px;margin:16px 0}.ulst legend{font-weight:700;padding:0 6px}.ulst label{display:flex;align-items:flex-start;gap:10px;padding:9px 0;cursor:pointer}.ulst input[type=radio]{margin:7px 0 0;flex:0 0 auto}.ulst-correct{color:#17804a;font-weight:700}.ulst-wrong{color:#b34a29;font-weight:700}[data-theme=dark] .ulst{--ust-bg:#20182c;--ust-text:#f4edff;--ust-border:#473657}[data-theme=dark] .ulst-correct{color:#82dfae}[data-theme=dark] .ulst-wrong{color:#ffbb99}@media(max-width:600px){.ulst{padding:20px 16px;border-radius:16px}.ulst h2{font-size:22px}.ulst-actions{flex-direction:column}.ulst-actions button{width:100%}}
/* Independent launcher: visible above the reader and mobile navigation. */
.ulst-launcher{position:fixed;right:24px;bottom:90px;z-index:10020;background:#7440c5;color:#fff;border:1px solid #9163db;border-radius:999px;padding:14px 20px;font:650 15px/1.4 system-ui;box-shadow:0 6px 24px #21113033;cursor:pointer}.ulst-overlay{position:fixed;inset:0;background:#17102466;z-index:10021}.ulst-drawer{position:fixed;top:0;right:0;bottom:0;width:460px;max-width:100vw;z-index:10022;background:#fff;color:#292039;overflow:auto;box-shadow:-10px 0 40px #21113022;overscroll-behavior:contain}.admin-bar .ulst-drawer{top:32px}.ulst-drawer-bar{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid #e7dff1;position:sticky;top:0;background:inherit;z-index:1}.ulst-drawer-bar h2{font:700 18px/1.4 system-ui;margin:0}.ulst-close{background:transparent;color:inherit;border:1px solid #e7dff1;border-radius:10px;min-width:44px;min-height:44px;font-size:26px;cursor:pointer}.ulst-drawer .ulst{border:0;border-radius:0;margin:0;padding:24px}.ulst-drawer[hidden],.ulst-overlay[hidden]{display:none!important}[data-theme=dark] .ulst-drawer{background:#20182c;color:#f4edff}.ulst-launcher:focus-visible,.ulst-close:focus-visible{outline:3px solid #b490ee;outline-offset:3px}@media(max-width:600px){.ulst-launcher{right:14px;bottom:calc(94px + env(safe-area-inset-bottom));padding:12px 16px}.ulst-drawer{width:100%;padding-bottom:env(safe-area-inset-bottom)}.admin-bar .ulst-drawer{top:46px}}

/* The launcher belongs to the LearnPress reader toolbar; no floating page button. */
.ulst-launcher{position:static!important;inset:auto!important;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:46px;height:46px;min-width:44px;min-height:44px;padding:10px!important;border-radius:12px;box-shadow:none;margin-left:8px;z-index:auto}.ulst-launcher[hidden]{display:none!important}#popup-header .ulst-launcher{background:var(--mul-soft,#f3edff);border-color:var(--mul-line,#e7dff1);color:var(--mul-accent,#7440c5)}

/* LearnPress learning bar: native list position next to Notes, never the header. */
#popup-right-sidebar .ulst-rail-item{padding:0!important;cursor:default}#popup-right-sidebar .ulst-rail-item .ulst-launcher{display:flex;flex-direction:column;gap:5px;width:100%;height:auto;min-height:52px;margin:0;padding:10px 6px!important;background:transparent;color:inherit;border:0;border-radius:0;font:inherit;line-height:1.35}#popup-right-sidebar .ulst-launcher:hover,#popup-right-sidebar .ulst-launcher[aria-expanded=true]{background:var(--mul-soft,#f3edff);color:var(--mul-accent,#7440c5)}#popup-right-sidebar .ulst-rail-icon{display:inline-flex;align-items:center;justify-content:center}#popup-right-sidebar .ulst-launcher .popup-right-sidebar__text{font-size:11px;white-space:normal;text-align:center}#popup-right-sidebar .ulst-launcher[hidden]{display:none!important}
.ulst-leaderboard,.ulst-history{--ulst-card:#fff;--ulst-ink:#30243e;--ulst-line:#e8e0f2;background:var(--ulst-card);color:var(--ulst-ink);border:1px solid var(--ulst-line);border-radius:20px;padding:26px;line-height:1.6;font-family:inherit;margin:20px 0;box-sizing:border-box}.ulst-leaderboard h2,.ulst-history h2{font-size:23px;line-height:1.3;margin:8px 0}.ulst-leaderboard header p{font-size:13px;opacity:.7}.ulst-leaderboard ol{list-style:none;padding:0;margin:22px 0}.ulst-leaderboard li{display:flex;align-items:center;gap:12px;padding:15px 0;border-top:1px solid var(--ulst-line)}.ulst-leaderboard .avatar{width:40px;height:40px;border-radius:50%;flex:0 0 auto}.ulst-rank{font-size:14px;min-width:28px}.ulst-learner{min-width:0;flex:1}.ulst-leaderboard strong,.ulst-leaderboard small{display:block}.ulst-learner strong,.ulst-learner small{overflow-wrap:anywhere}.ulst-leaderboard small{font-size:12px;font-weight:400;opacity:.75}.ulst-points{text-align:right;white-space:nowrap}.ulst-leaderboard footer{border-top:1px solid var(--ulst-line);padding-top:15px}.ulst-leaderboard a,.ulst-history a{color:#7440c5}.ulst-leaderboard footer a{display:inline-block;margin-top:12px;font-weight:650;font-size:14px}.ulst-leaderboard-empty{padding:18px 0}.ulst-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.ulst-stat-grid>div{padding:18px;background:#f5f0fc;border-radius:14px}.ulst-stat-grid strong{font-size:26px;display:block}.ulst-stat-grid span{font-size:13px}.ulst-achievements{display:flex;flex-wrap:wrap;gap:10px}.ulst-achievements span{border:1px solid var(--ulst-line);padding:10px 14px;border-radius:99px;font-size:13px}.ulst-preferences{padding:20px 0}.ulst-preferences label{display:flex;align-items:center;gap:8px;font-weight:650}.ulst-preferences p,.ulst-rules{font-size:13px;opacity:.8}.ulst-preferences button{border:0;background:#7440c5;color:#fff;border-radius:10px;padding:10px 16px;cursor:pointer}.ulst-history-scroll{overflow:auto}.ulst-history table{border-collapse:collapse;width:100%;font-size:14px}.ulst-history th,.ulst-history td{text-align:left;border-bottom:1px solid var(--ulst-line);padding:14px 10px}.ulst-history td small{display:block;opacity:.7;font-size:12px}.ulst-pagination{display:flex;gap:24px;margin-top:16px}.ulst-history :focus-visible,.ulst-leaderboard :focus-visible{outline:3px solid #a881ee;outline-offset:3px}[data-theme=dark] .ulst-history,[data-theme=dark] .ulst-leaderboard{--ulst-card:#20182c;--ulst-ink:#f4edff;--ulst-line:#473657}[data-theme=dark] .ulst-stat-grid>div{background:#332440}[data-theme=dark] .ulst-history a,[data-theme=dark] .ulst-leaderboard a{color:#c5a4ff}@media(max-width:600px){.ulst-leaderboard,.ulst-history{padding:20px 16px}.ulst-stat-grid{gap:6px}.ulst-stat-grid>div{padding:12px 8px}.ulst-stat-grid strong{font-size:22px}.ulst-stat-grid span{font-size:11px}.ulst-leaderboard li{gap:8px}.ulst-history table{min-width:520px}}