/* Study extras (app.ext.js): levels, leaderboards, the hub's verse games, a book's analysis. Uses app.css's tokens. */

/* level chip in the games */
.xlv { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .03em; color: var(--muted); box-shadow: inset 0 0 0 1.5px var(--line);
  padding: 3px 10px; border-radius: 999px; margin: 0 6px 6px 0; }
.syl.given { opacity: .55; box-shadow: none; background: var(--bg-2); cursor: default; }
.syl.X::before { content: "×"; }
.xsrc { color: var(--muted); font-size: 13px; margin: -12px 0 14px; }
.xref { margin-top: 10px; font-size: 13.5px; }
.xref a, .xin { color: var(--gold-ink); }
.xline { text-align: center !important; }
.xfeet { font-variant-numeric: tabular-nums; letter-spacing: .12em; font-weight: 600; }
.xrules p { margin: 0 0 12px; line-height: 1.5; }
.xrules i { font-family: var(--text); font-size: 1.08em; }

/* after a game */
.xafter { margin: 4px 0 6px; display: grid; gap: 6px; font-size: 15px; }
.xafter a { color: var(--gold-ink); }

/* boards */
.xboard { background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 6px 16px 10px; }
.xrows { list-style: none; margin: 0; padding: 0; }
.xrows li { display: grid; grid-template-columns: 2.2em 1fr auto; gap: 10px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid var(--line); }
.xrows li:last-child { border-bottom: 0; }
.xrows .rk { color: var(--muted); font-variant-numeric: tabular-nums; font-size: 14px; }
.xrows .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.xrows .v { font-variant-numeric: tabular-nums; font-weight: 600; }
.xrows small { color: var(--muted); font-weight: 400; }
.xrows li.me .nm { font-weight: 700; color: var(--gold-ink); }
.xrows.sep { border-top: 1px dashed var(--line); margin-top: 2px; }
.xname { font-size: 14px; color: var(--muted); padding: 8px 0 2px; }
.xname a { color: var(--gold-ink); }
.xempty { padding: 12px 0; }
.xme { background: var(--card); border-radius: 16px; box-shadow: var(--shadow); padding: 14px 16px; margin-bottom: 16px; font-size: 15px; }
.xform { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; }
.xform input[name=h] { flex: 1 1 180px; min-width: 0; height: 40px; border-radius: 10px; border: 1.5px solid var(--line); background: var(--bg);
  color: var(--ink); padding: 0 12px; font: inherit; }
.xchk { display: flex; gap: 6px; align-items: center; font-size: 14px; color: var(--muted); }
.xtabs { margin-bottom: 12px; }
.xfilters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; align-items: center; }
.xfilters .seg { flex: 1 1 260px; }
.xfilters select { height: 48px; border-radius: 12px; border: 0; background: var(--bg-2); color: var(--ink); font: inherit; padding: 0 12px; flex: 1 1 200px; }
.xnote { font-size: 13.5px; margin-top: 12px; }

/* a book's analysis */
.xhead h1 { font-family: var(--text); font-weight: 600; font-size: 34px; line-height: 1.15; margin: 18px 0 6px; }
.xhead p { margin: 0 0 18px; max-width: 62ch; }
.xstats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 760px) { .xstats { grid-template-columns: repeat(2, 1fr); } }
.xm { min-height: 118px; justify-content: flex-start; }
.xm .xmed { font-size: 12px; margin-top: 6px; }
.xpos { position: relative; display: block; height: 4px; border-radius: 2px; background: var(--bg-2); margin-top: 8px; }
.xpos i { position: absolute; top: -3px; width: 10px; height: 10px; margin-left: -5px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 2px var(--card); }
.xcallout { background: rgba(182, 152, 105, .12); border-radius: 16px; padding: 14px 18px; margin: 18px 0 4px; }
.xcallout h3 { margin: 0 0 6px; font-size: 15px; }
.xcallout ul { margin: 0; padding-left: 18px; line-height: 1.55; }
.xvocab { margin: 16px 0 0; line-height: 1.55; }
.xvocab a { color: var(--gold-ink); }
.xtick-key { display: inline-block; width: 2px; height: 11px; background: var(--ink); vertical-align: -1px; margin: 0 2px; }
.xgroup { margin-bottom: 18px; }
.xgroup h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 18px 0 4px; }
.xcon { border-bottom: 1px solid var(--line); }
.xcon summary { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-areas: "nm nums" "bar bar"; gap: 4px 12px;
  padding: 10px 2px; cursor: pointer; }
.xcon summary::-webkit-details-marker { display: none; }
.xcon .nm { grid-area: nm; font-weight: 600; }
.xcon .nums { grid-area: nums; font-variant-numeric: tabular-nums; }
.xcon .nums small { color: var(--muted); }
.xcon .bar { grid-area: bar; position: relative; height: 8px; border-radius: 4px; background: var(--bg-2); }
.xcon .bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 4px; background: var(--gold); }
.xcon .bar b { position: absolute; top: -3px; width: 2px; height: 14px; margin-left: -1px; background: var(--ink); }
.xcon .xwhat { color: var(--muted); font-size: 14px; padding: 0 2px 8px; }
.xex { margin: 0 0 12px; padding-left: 18px; }
.xex li { margin: 0 0 8px; line-height: 1.5; }
.xex .la { font-family: var(--text); font-size: 19px; }
.xex mark { background: var(--hl); color: inherit; border-radius: 3px; padding: 0 2px; }
.xin { font-size: 13px; white-space: nowrap; }
.xforms { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 28px; }
@media (max-width: 760px) { .xforms { grid-template-columns: 1fr; } }
.xforms h3 { font-size: 15px; margin: 0 0 8px; }
.xbars { display: grid; gap: 6px; }
.xb { display: grid; grid-template-columns: 8.5em 1fr 3em; gap: 10px; align-items: center; font-size: 14px; }
.xb .k { color: var(--muted); }
.xb .bar { height: 8px; border-radius: 4px; background: var(--bg-2); position: relative; }
.xb .bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 4px; background: var(--gold); }
.xb .v { text-align: right; font-variant-numeric: tabular-nums; }
.xmethod { font-size: 13.5px; margin-top: 22px; max-width: 70ch; }
.sylls .xw { display: inline-flex; gap: 2px; margin: 0 5px 6px; }
.pcard { position: relative; }
.xlvp { position: absolute; top: 10px; right: 10px; font-style: normal; font-size: 12px; font-weight: 700; color: #f8f3e4;
  background: rgba(16, 23, 42, .72); padding: 3px 9px; border-radius: 999px; }
.xlvp:empty { display: none; }
#xverse.pcards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 760px) { #xverse.pcards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* a game's leaderboard page */
.xgh { display: flex; gap: 18px; align-items: center; margin: 16px 0 18px; }
.xgh img { width: 132px; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 12px; border: 1px solid var(--line); flex: none; }
.xgh h1 { font: 400 32px/1.1 var(--text); margin: 2px 0 10px; }
.xwhere { font-size: 13px; margin-left: 6px; }
.xstats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 0 0 18px; }
.xstats .stat b { font-size: 26px; }
.xcount { font-size: 13px; margin-top: 8px; }
.xhow { margin: 22px 0 8px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; }
.xhow summary { cursor: pointer; font-weight: 600; }
.xhow p { font-size: 14.5px; line-height: 1.55; margin: 10px 0 0; }
.xgames { margin-top: 14px; }
@media (max-width: 520px) { .xgh img { width: 96px; } .xgh h1 { font-size: 26px; } .xwhere { display: block; margin: 6px 0 0; } }