.ggl-app{--ink:#14213d;--muted:#667085;--paper:#f7f8fb;--line:#e5e7eb;--accent:#ff6b4a;--accent2:#6557ff;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;min-height:80vh}.ggl-app *{box-sizing:border-box}.ggl-shell{max-width:1180px;margin:auto;padding:0 24px 70px}.ggl-top{height:78px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.ggl-brand{border:0;background:none;font-size:21px;font-weight:800;color:var(--ink);cursor:pointer}.ggl-brand span{color:var(--accent)}.ggl-level-pill,.ggl-format{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;background:#f0efff;padding:8px 12px;border-radius:999px;color:var(--accent2)}.ggl-hero{display:grid;grid-template-columns:1.5fr .8fr;gap:55px;align-items:center;padding:80px 0 70px}.ggl-eyebrow{display:block;font-size:11px;letter-spacing:.16em;font-weight:800;color:var(--accent);margin-bottom:14px}.ggl-hero h1,.ggl-lesson-head h1{font-size:clamp(42px,6vw,72px);line-height:.98;letter-spacing:-.05em;margin:0 0 24px}.ggl-hero h1 em{font-weight:400;color:var(--accent2)}.ggl-hero p,.ggl-lesson-head p{font-size:18px;line-height:1.65;color:var(--muted);max-width:680px}.ggl-primary{border:0;border-radius:12px;background:var(--ink);color:white;padding:15px 22px;font-weight:750;font-size:15px;cursor:pointer}.ggl-hero-card{background:var(--ink);color:#fff;border-radius:26px;padding:34px;min-height:270px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:0 25px 60px #14213d25}.ggl-wave{font-size:30px;letter-spacing:4px;color:#ffb5a4;margin:auto 0}.ggl-hero-card strong{font-size:26px}.ggl-hero-card span,.ggl-hero-card small{opacity:.7}.ggl-progress{height:7px;background:#ffffff25;border-radius:9px;margin:24px 0 8px;overflow:hidden}.ggl-progress i{display:block;height:100%;background:#ffb5a4}.ggl-section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px}.ggl-section-head h2{font-size:38px;margin:0}.ggl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.ggl-card{text-align:left;border:1px solid var(--line);background:#fff;border-radius:18px;padding:24px;cursor:pointer;position:relative;transition:.2s}.ggl-card:hover{transform:translateY(-3px);box-shadow:0 15px 35px #14213d10}.ggl-card.done{border-color:#b8e0ce}.ggl-num{font-size:13px;font-weight:800;color:#98a2b3}.ggl-card .ggl-format{float:right;padding:5px 8px}.ggl-card h3{font-size:21px;margin:28px 0 8px}.ggl-card p{color:var(--muted);min-height:42px}.ggl-card footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;margin-top:18px;font-weight:700}.ggl-lesson{max-width:900px;margin:auto;padding-top:34px}.ggl-back{border:0;background:none;color:var(--muted);font-weight:700;cursor:pointer;margin:15px 0 50px}.ggl-lesson-head{display:flex;justify-content:space-between;gap:30px;align-items:end}.ggl-lesson-head h1{font-size:58px}.ggl-score{background:#f0efff;padding:18px;border-radius:16px;min-width:100px;text-align:center}.ggl-score strong{font-size:24px}.ggl-player{margin:42px 0;display:grid;grid-template-columns:auto auto 1fr auto;gap:18px;align-items:center;background:var(--ink);color:white;padding:22px;border-radius:18px}.ggl-play{width:52px;height:52px;border-radius:50%;border:0;background:var(--accent);color:white;font-size:18px}.ggl-player div:nth-child(2){display:flex;flex-direction:column}.ggl-player div span{font-size:12px;opacity:.65}.ggl-track{height:5px;background:#ffffff25;border-radius:5px}.ggl-track i{display:block;width:24%;height:100%;background:white}.ggl-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.ggl-panel,.ggl-practice{border:1px solid var(--line);border-radius:18px;padding:26px}.ggl-panel h3{font-size:22px}.ggl-panel p{color:var(--muted)}.ggl-practice{margin-top:18px;padding:32px}.ggl-practice h2{font-size:34px;margin:0}.ggl-practice>p{color:var(--muted)}.ggl-q{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:22px 0;border-top:1px solid var(--line)}.ggl-q>span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--paper);font-weight:800}.ggl-q small{text-transform:uppercase;letter-spacing:.08em;color:var(--accent2);font-weight:800}.ggl-q p{font-size:17px}.ggl-q input{width:100%;padding:13px;border:1px solid #d0d5dd;border-radius:10px;font-size:16px}.ggl-q input.ok{border-color:#12a66a;background:#f1fff8}.ggl-q input.bad{border-color:#e35d5d;background:#fff7f7}.ggl-result{display:flex;align-items:center;gap:20px;margin-top:20px;background:var(--paper);padding:20px;border-radius:14px}.ggl-result strong{font-size:32px}.ggl-reveal{margin:24px 0}.ggl-reveal-btn{width:100%;border:0;border-top:1px solid var(--line);background:#fff;padding:20px 4px;display:flex;justify-content:space-between;font-weight:800;font-size:17px;cursor:pointer}.ggl-reveal>div{padding:8px 4px 24px}.ggl-reveal b{display:inline-block;width:70px;text-transform:capitalize;color:var(--accent2)}.ggl-vocab{display:grid;grid-template-columns:1fr 1fr;gap:10px}.ggl-vocab div{background:var(--paper);padding:16px;border-radius:12px;display:flex;flex-direction:column}.ggl-vocab span{color:var(--muted);margin-top:5px}.ggl-empty{text-align:center;padding:100px 20px}.ggl-empty h1{font-size:50px}.ggl-empty p{color:var(--muted)}@media(max-width:760px){.ggl-hero{grid-template-columns:1fr;padding-top:45px}.ggl-grid,.ggl-two,.ggl-vocab{grid-template-columns:1fr}.ggl-lesson-head{display:block}.ggl-lesson-head h1{font-size:44px}.ggl-score{display:inline-block}.ggl-player{grid-template-columns:auto 1fr auto}.ggl-track{grid-column:1/-1}.ggl-section-head{align-items:start;flex-direction:column}.ggl-card p{min-height:0}}
/* v0.1.1 card polish */
.ggl-grid{align-items:stretch}
.ggl-card{padding:0;overflow:hidden;display:flex;flex-direction:column;min-width:0}
.ggl-card:hover{background:#fbfaff;border-color:#cbc6ff;box-shadow:0 18px 42px #14213d14;transform:translateY(-4px)}
.ggl-card:focus-visible{outline:3px solid #6557ff;outline-offset:3px}
.ggl-thumb{height:150px;overflow:hidden;background:#f5f3ff;border-bottom:1px solid var(--line)}
.ggl-thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.ggl-card:hover .ggl-thumb img{transform:scale(1.025)}
.ggl-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.ggl-card-meta{display:flex;justify-content:space-between;align-items:center}
.ggl-card h3{margin:20px 0 7px;color:var(--ink)}
.ggl-card p{color:#5c667a;line-height:1.45}
.ggl-card footer{margin-top:auto;display:flex;justify-content:flex-start;border-top:0;padding-top:18px}
.ggl-card-cta{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;padding:10px 15px;border-radius:10px;font-size:13px;font-weight:800;box-shadow:0 6px 14px #14213d18}
.ggl-card:hover .ggl-card-cta{background:var(--accent2)}
.ggl-complete{display:inline-flex;align-self:flex-start;margin-top:14px;padding:6px 9px;border-radius:999px;background:#e8f7ef;color:#17724b;font-size:11px;font-weight:850;letter-spacing:.03em}
.ggl-card.done{background:#f3fbf6;border-color:#a9d8bd}
.ggl-card.done:hover{background:#edf9f2;border-color:#79bd98}
.ggl-card.done .ggl-thumb{background:#edf9f2;border-bottom-color:#c9e6d5}
.ggl-card.done .ggl-card-cta{background:#17724b}
.ggl-card.done:hover .ggl-card-cta{background:#115c3c}
.ggl-card.done .ggl-format{background:#e4f5eb;color:#17724b}
@media(max-width:760px){.ggl-thumb{height:175px}}

/* v0.1.2 grammar bank */
.ggl-grammar{margin:18px 0;border:1px solid var(--line);border-radius:18px;padding:30px;background:#fcfcff}.ggl-grammar-head{display:flex;justify-content:space-between;align-items:end}.ggl-grammar-head h2{margin:0 0 14px;font-size:30px}.ggl-grammar-head>span{font-size:12px;color:var(--muted);background:#f0efff;padding:7px 10px;border-radius:999px}.ggl-grammar-card{border-top:1px solid var(--line)}.ggl-grammar-toggle{width:100%;border:0;background:transparent;padding:20px 0;display:flex;justify-content:space-between;gap:24px;text-align:left;cursor:pointer;color:var(--ink)}.ggl-grammar-toggle div{display:flex;flex-direction:column;gap:4px}.ggl-grammar-toggle small{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent2);font-weight:800}.ggl-grammar-toggle strong{font-size:20px}.ggl-grammar-toggle span{color:var(--muted);line-height:1.5}.ggl-grammar-toggle>b{font-size:24px;font-weight:400;color:var(--accent2)}.ggl-grammar-body{padding:0 0 26px;line-height:1.65;color:#44506a}.ggl-grammar-box{padding:15px 18px;margin:12px 0;border-radius:12px;background:#fff;border:1px solid var(--line)}.ggl-grammar-box h4{margin:0 0 8px;color:var(--ink)}.ggl-grammar-box p{margin:7px 0}.ggl-grammar-box p>b{display:inline-block;min-width:90px;color:var(--accent2);text-transform:capitalize}.ggl-grammar-tip{display:flex;gap:12px;background:#fff2ee;border-radius:12px;padding:15px 18px}.ggl-grammar-tip b{color:var(--accent)}@media(max-width:760px){.ggl-grammar{padding:22px}.ggl-grammar-head{align-items:start;flex-direction:column}}

/* v0.1.3 lesson UX polish */
+
.ggl-level-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.ggl-level-card{display:flex;flex-direction:column;gap:7px;padding:25px 18px;border:1px solid var(--line);border-radius:17px;background:#fff;color:var(--ink);text-align:left;cursor:pointer}
.ggl-level-card:hover{border-color:var(--accent2);box-shadow:0 12px 28px #14213d12}
.ggl-level-card strong{font-size:28px}.ggl-level-card span{font-weight:750}.ggl-level-card small,.ggl-muted{color:var(--muted)}
.ggl-welcome{padding:45px 0 25px}.ggl-welcome h1{font-size:clamp(38px,5vw,62px);margin:8px 0 14px}.ggl-welcome>p{max-width:720px;color:var(--muted);font-size:18px;line-height:1.6}
.ggl-offer{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin:24px 0;padding:18px 20px;border-radius:14px;background:var(--paper)}.ggl-offer>span{color:var(--muted)}
.ggl-price-now{font-size:38px;font-weight:850}.ggl-card.locked{background:#fafbfc}.ggl-card.locked .ggl-thumb{filter:grayscale(1);opacity:.55}
.ggl-lead{max-width:760px;margin:50px auto 0;padding:28px;border:1px solid var(--line);border-radius:18px}.ggl-lead form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ggl-lead input[type=text],.ggl-lead input[type=email],.ggl-lead input:not([type]){height:46px;padding:0 12px;border:1px solid #ccd4e2;border-radius:10px}
.ggl-lead label,.ggl-lead button,.ggl-lead>small{grid-column:1/-1}.ggl-hp{position:absolute;left:-9999px}.ggl-success{padding:10px;background:#edfff6;color:#087443;border-radius:9px}
@media(max-width:900px){.ggl-level-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.ggl-level-grid,.ggl-lead form{grid-template-columns:1fr}.ggl-lead label,.ggl-lead button,.ggl-lead>small{grid-column:auto}}

.ggl-grammar-card,.ggl-grammar-toggle{transition:background .18s ease,border-color .18s ease}
.ggl-grammar-card:hover{background:#f7f7fc!important}
.ggl-grammar-card:hover .ggl-grammar-toggle,
.ggl-grammar-toggle:hover{background:transparent!important;color:var(--ink)!important}
.ggl-grammar-card:hover .ggl-grammar-toggle strong,
.ggl-grammar-card:hover .ggl-grammar-toggle span,
.ggl-grammar-card:hover .ggl-grammar-toggle small{color:inherit}
.ggl-grammar-card:hover .ggl-grammar-toggle small{color:var(--accent2)}
.ggl-grammar-card.is-open{background:#f6f5ff;border-radius:12px;padding-left:14px;padding-right:14px;margin-left:-14px;margin-right:-14px}
.ggl-grammar-card.is-open .ggl-grammar-toggle>b{color:var(--accent2)}
.ggl-answer-progress{display:flex;align-items:center;gap:14px;margin:20px 0 8px;color:var(--muted);font-size:12px;font-weight:750}
.ggl-answer-progress>span{min-width:82px}
.ggl-answer-progress>i{height:5px;background:#eceef3;border-radius:999px;overflow:hidden;flex:1}
.ggl-answer-progress>i>b{display:block;width:0;height:100%;background:var(--accent2);border-radius:999px;transition:width .2s ease}
.ggl-result>div{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.ggl-listen-again{border:1px solid #cfd3dc;background:#fff;color:var(--ink);padding:8px 12px;border-radius:9px;font-weight:750;cursor:pointer}
.ggl-listen-again:hover{background:#f7f7fc;border-color:#b7b0f5}

/* v0.1.4 mobile typography + overflow fix */
.ggl-grammar-toggle{min-width:0}
.ggl-grammar-toggle>div{min-width:0;flex:1}
.ggl-grammar-toggle span,.ggl-grammar-toggle strong,
.ggl-grammar-body,.ggl-grammar-box p,.ggl-grammar-tip span{
  overflow-wrap:anywhere;word-break:normal;white-space:normal
}
@media(max-width:760px){
  .ggl-shell{padding-left:18px;padding-right:18px}
  .ggl-lesson{width:100%;max-width:100%;overflow:hidden}
  .ggl-grammar{padding:22px 20px}
  .ggl-grammar-head h2{font-size:32px;line-height:1.08;letter-spacing:-.025em}
  .ggl-grammar-toggle{gap:12px;padding:19px 0;align-items:flex-start}
  .ggl-grammar-toggle strong{font-size:20px;line-height:1.2}
  .ggl-grammar-toggle span{font-size:14px;line-height:1.48;max-width:100%}
  .ggl-grammar-toggle>b{flex:0 0 22px;text-align:right}
  .ggl-practice{padding:30px 22px}
  .ggl-practice h2{font-size:clamp(38px,11vw,48px);line-height:1.04;letter-spacing:-.035em}
  .ggl-practice>p{font-size:17px;line-height:1.5;margin-top:10px}
  .ggl-answer-progress{margin:28px 0 12px}
  .ggl-q{grid-template-columns:42px minmax(0,1fr);gap:14px;padding:25px 0;align-items:start}
  .ggl-q>span{margin-top:3px}
  .ggl-q small{font-size:11px;line-height:1.2}
  .ggl-q p{font-size:18px;line-height:1.22;margin:2px 0 16px;letter-spacing:-.01em}
  .ggl-q input{font-size:16px;line-height:1.3;padding:14px 15px;min-height:52px;width:100%;max-width:100%}
}
@media(max-width:390px){
  .ggl-practice{padding-left:18px;padding-right:18px}
  .ggl-q{grid-template-columns:38px minmax(0,1fr);gap:11px}
  .ggl-q p{font-size:17px;line-height:1.24}
}

/* v0.1.5 production Firebase audio player */
.ggl-player{grid-template-columns:auto auto minmax(130px,auto) minmax(180px,1fr) auto auto;gap:12px}
.ggl-player audio{display:none}
.ggl-player-copy{min-width:0}
.ggl-player-copy strong,.ggl-player-copy span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ggl-skip{border:1px solid #ffffff2e;background:#ffffff12;color:#fff;border-radius:10px;min-width:46px;height:42px;font-weight:800;cursor:pointer}
.ggl-skip:hover{background:#ffffff20}
.ggl-play{cursor:pointer;flex:0 0 auto}
.ggl-seek{width:100%;min-width:0;accent-color:var(--accent);cursor:pointer}
.ggl-time{font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums;color:#ffffffc9}
.ggl-time b{font-weight:700}
@media(max-width:760px){
 .ggl-player{grid-template-columns:auto auto 1fr auto;gap:10px;padding:18px}
 .ggl-player-copy{grid-column:3/-1}
 .ggl-seek{grid-column:1/-1;grid-row:2}
 .ggl-time{grid-column:1/3;grid-row:3}
 .ggl-player #forward10{grid-column:4;grid-row:3}
 .ggl-player #back10{grid-column:3;grid-row:3;justify-self:end}
}

/* v0.1.6 production player repair */
.ggl-audio-block{margin:42px 0}.ggl-audio-label{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin:0 2px 10px}.ggl-audio-label .ggl-eyebrow{margin:0}.ggl-audio-label>strong{font-size:13px;color:var(--muted);font-weight:650}.ggl-player{margin:0!important;display:flex!important;align-items:center!important;gap:20px!important;padding:18px 20px!important;background:var(--ink)!important;border-radius:18px!important;min-width:0}.ggl-player audio{display:none}.ggl-player-buttons{display:flex!important;align-items:center;gap:10px;flex:0 0 auto}.ggl-player-track{display:flex!important;align-items:center;gap:14px;flex:1 1 auto;min-width:0}.ggl-skip{border:1px solid #ffffff2e;background:#ffffff12;color:#fff;border-radius:10px;width:48px;min-width:48px;height:42px;font-weight:800;cursor:pointer}.ggl-play{width:52px!important;min-width:52px;height:52px!important;border-radius:50%;border:0;background:var(--accent);color:#fff;font-size:18px;cursor:pointer}.ggl-seek{display:block;width:100%;min-width:80px;accent-color:var(--accent);cursor:pointer}.ggl-time{display:flex;gap:5px;align-items:center;font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums;color:#ffffffc9}.ggl-time b{font-weight:700}.ggl-player-copy{display:none!important}
@media(max-width:760px){.ggl-audio-block{margin:30px 0}.ggl-audio-label{display:block}.ggl-audio-label>strong{display:block;margin-top:5px}.ggl-player{display:block!important;padding:18px!important}.ggl-player-buttons{justify-content:center;margin-bottom:17px}.ggl-player-track{display:grid!important;grid-template-columns:1fr auto;gap:10px}.ggl-seek{grid-column:1/-1}.ggl-time{justify-self:end}.ggl-skip{width:54px;min-width:54px}.ggl-play{width:56px!important;min-width:56px;height:56px!important}}

/* v0.1.7 player/config repair */
.ggl-player-buttons{flex-direction:row!important}
.ggl-config-error{padding:24px;border:1px solid #e5e7eb;border-radius:14px;color:#667085}
@media(min-width:761px){.ggl-player{flex-direction:row!important}.ggl-player-buttons{flex-direction:row!important}.ggl-player-track{flex-direction:row!important}}