/* wingov lesson player styles. Shared by every lesson. */
/* Lesson player: a course header, a step rail on the left, one page at a time on the right, with Listen / Back / Next. */
#wgl {
  --bg: #f3f1ec; --panel: #ffffff; --rail: #ecebe5; --ink: #17201c; --muted: #5d6862; --line: #d8d6ce;
  --accent: #b5541c; --accent-soft: #f6e6db; --go: #1f6b4f; --go-soft: #dcefe6; --warn: #8a5a00; --warn-soft: #fbf0d9;
  --bad: #a3312a; --bad-soft: #f8e1df; --btn: #111614; --btn-ink: #ffffff;
  --chart-1: #1f6b4f; --chart-2: #9fbdb0;
  --f-head: "Barlow Condensed", "Arial Narrow", Impact, sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) #wgl {
  --bg: #121614; --panel: #1a201d; --rail: #161b18; --ink: #e8ece9; --muted: #a2ada7; --line: #2c3530;
  --accent: #e98a4f; --accent-soft: #3a2518; --go: #6fcfa2; --go-soft: #173327; --warn: #e9b65a; --warn-soft: #3a2d12;
  --bad: #f08a80; --bad-soft: #3b1d1a; --btn: #e8ece9; --btn-ink: #121614; --chart-1: #6fcfa2; --chart-2: #3f6b5a; color-scheme: dark } }
:root[data-theme="dark"] #wgl {
  --bg: #121614; --panel: #1a201d; --rail: #161b18; --ink: #e8ece9; --muted: #a2ada7; --line: #2c3530;
  --accent: #e98a4f; --accent-soft: #3a2518; --go: #6fcfa2; --go-soft: #173327; --warn: #e9b65a; --warn-soft: #3a2d12;
  --bad: #f08a80; --bad-soft: #3b1d1a; --btn: #e8ece9; --btn-ink: #121614; --chart-1: #6fcfa2; --chart-2: #3f6b5a; color-scheme: dark }
body { margin: 0; background: #f3f1ec; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) body { background: #121614; } }
:root[data-theme="dark"] body { background: #121614; }
#wgl, #wgl * { box-sizing: border-box; }
#wgl { background: var(--bg); color: var(--ink); font: 17px/1.55 var(--f-body); padding-inline: 16px; padding-block: 24px 40px; }
#wgl .shell { max-width: 1080px; margin: 0 auto; display: grid; gap: 20px; }
#wgl header { display: grid; gap: 6px; border-bottom: 3px solid var(--ink); padding-bottom: 14px; }
#wgl .kicker { font: 700 13px/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
#wgl h1 { font: 700 clamp(30px, 5vw, 48px)/1.02 var(--f-head); margin: 0; text-wrap: balance; }
#wgl .basis { font: 13px/1.5 var(--f-mono); color: var(--muted); margin: 0; }
#wgl .body { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; align-items: start; }
#wgl nav { background: var(--rail); border-radius: 10px; padding: 10px; display: grid; gap: 2px; position: sticky; top: env(safe-area-inset-top, 0px); }
#wgl nav button { all: unset; display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; cursor: pointer; font: 600 15px/1.25 var(--f-body); color: var(--muted); }
#wgl nav button:hover { color: var(--ink); }
#wgl nav button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
#wgl nav button[aria-current="step"] { background: var(--panel); color: var(--ink); box-shadow: inset 3px 0 0 var(--accent); }
#wgl nav .dot { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid currentColor; display: grid; place-items: center; font: 600 12px var(--f-mono); }
#wgl nav button.done .dot { background: var(--go); border-color: var(--go); color: var(--panel); }
#wgl .stage { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: grid; min-width: 0; }
#wgl .progress { height: 5px; background: var(--line); }
#wgl .progress i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .3s; }
#wgl .page { padding: 28px clamp(18px, 4vw, 40px) 24px; display: grid; gap: 16px; min-width: 0; }
#wgl .eyebrow { font: 700 13px/1 var(--f-body); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
#wgl h2 { font: 700 clamp(28px, 4vw, 38px)/1.05 var(--f-head); margin: 0; text-wrap: balance; }
#wgl h3 { font: 700 22px/1.1 var(--f-head); margin: 6px 0 0; }
#wgl p { margin: 0; max-width: 66ch; }
#wgl ul, #wgl ol { margin: 0; padding-left: 22px; display: grid; gap: 6px; max-width: 66ch; }
#wgl a { color: var(--go); font-weight: 600; }
#wgl .fig { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--bg); overflow-x: auto; }
#wgl .fig svg { display: block; width: 100%; height: auto; min-width: 520px; }
#wgl .fig .cap { font: 12.5px/1.4 var(--f-mono); color: var(--muted); margin-top: 8px; }
#wgl .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
#wgl .card { border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 6px; align-content: start; background: var(--panel); }
#wgl .card b { font: 700 19px/1.1 var(--f-head); letter-spacing: .01em; }
#wgl .card span { color: var(--muted); font-size: 15px; }
#wgl .card .tag { justify-self: start; font: 600 11px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; padding: 5px 7px; border-radius: 4px; background: var(--accent-soft); color: var(--accent); }
#wgl .note { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 12px 14px; border-radius: 0 8px 8px 0; max-width: 72ch; }
#wgl .note.go { border-color: var(--go); background: var(--go-soft); }
#wgl table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
#wgl .tablewrap { overflow-x: auto; }
#wgl th, #wgl td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
#wgl th { font: 600 12px/1.2 var(--f-body); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
#wgl td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
#wgl .q { border: 1px solid var(--line); border-radius: 10px; padding: 14px; display: grid; gap: 10px; }
#wgl .q p { font-weight: 600; }
#wgl .opts { display: grid; gap: 8px; }
#wgl .opts button { all: unset; cursor: pointer; border: 1.5px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 16px; line-height: 1.35; }
#wgl .opts button:hover { border-color: var(--ink); }
#wgl .opts button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#wgl .opts button.right { border-color: var(--go); background: var(--go-soft); }
#wgl .opts button.wrong { border-color: var(--bad); background: var(--bad-soft); }
#wgl .opts button[disabled] { cursor: default; }
#wgl .fb { font-size: 15.5px; padding: 10px 12px; border-radius: 8px; background: var(--rail); }
#wgl .fb b { margin-right: 4px; }
#wgl .steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 10px; }
#wgl .steps li { counter-increment: s; display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
#wgl .steps li::before { content: counter(s); width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: var(--panel); display: grid; place-items: center; font: 600 14px var(--f-mono); }
#wgl .controls { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding: 14px clamp(18px, 4vw, 40px); }
#wgl .controls .right { display: flex; gap: 10px; }
#wgl .btn { all: unset; cursor: pointer; font: 700 16px/1 var(--f-body); padding: 12px 18px; border-radius: 8px; border: 1.5px solid var(--ink); display: inline-flex; gap: 8px; align-items: center; }
#wgl .btn.primary { background: var(--btn); color: var(--btn-ink); border-color: var(--btn); }
#wgl .btn[disabled] { opacity: .35; cursor: default; }
#wgl .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#wgl .count { font: 14px var(--f-mono); color: var(--muted); }
#wgl .watch { display: grid; grid-template-columns: 56px minmax(0,1fr); gap: 14px; align-items: center; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: var(--bg); text-decoration: none; color: var(--ink); }
#wgl .watch:hover { border-color: var(--ink); }
#wgl .watch .play { width: 56px; height: 40px; border-radius: 8px; background: var(--btn); color: var(--btn-ink); display: grid; place-items: center; font-size: 18px; }
#wgl .watch b { display: block; font-weight: 700; }
#wgl .watch small { display: block; color: var(--muted); font-size: 14px; }
#wgl .vframe { position: relative; aspect-ratio: 16 / 9; max-width: 100%; border-radius: 10px; overflow: hidden; background: #000; }
#wgl .vframe iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
#wgl .cert { border: 2px solid var(--ink); border-radius: 6px; padding: 28px; display: grid; gap: 10px; text-align: center; justify-items: center; background: var(--panel); outline: 6px double var(--line); outline-offset: -14px; }
#wgl .cert .who { font: 700 34px/1.1 var(--f-head); border-bottom: 1.5px solid var(--ink); min-width: 60%; padding-bottom: 6px; }
#wgl .cert small { color: var(--muted); max-width: 60ch; }
#wgl input[type="text"] { font: 17px var(--f-body); padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 8px; background: var(--panel); color: var(--ink); width: min(360px, 100%); }
#wgl .score { font: 700 44px/1 var(--f-head); }
#wgl svg text { font-family: var(--f-body); }
@media (max-width: 820px) {
  #wgl .body { grid-template-columns: minmax(0, 1fr); }
  #wgl nav { position: static; grid-auto-flow: column; grid-auto-columns: max-content; overflow-x: auto; }
  #wgl nav button { grid-template-columns: 26px auto; }
}
@media (max-width: 600px) {
  #wgl table, #wgl tbody, #wgl tr, #wgl td { display: block; width: 100%; }
  #wgl thead { display: none; }
  #wgl tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  #wgl td { border: 0; padding: 3px 0; }
  #wgl td[data-l]::before { content: attr(data-l); display: block; font: 600 11px/1.3 var(--f-body); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
}
#wgl .src summary { cursor: pointer; font: 600 12px/1.4 var(--f-mono); color: var(--muted); width: max-content; }
#wgl .src[open] summary { margin-bottom: 4px; }
#wgl .qstep { font: 600 13px var(--f-mono); color: var(--muted); margin-bottom: 6px; }
#wgl .qnext { margin-top: 12px; }
@media (prefers-reduced-motion: reduce) { #wgl .progress i { transition: none; } }