:root{
  --blue:#1664b8;
  --blue-2:#0d4e96;
  --blue-3:#083d78;
  --sky:#eaf5ff;
  --sky-2:#f5faff;
  --ink:#102d49;
  --muted:#62758a;
  --line:#d9e7f3;
  --white:#fff;
  --green:#198754;
  --green-soft:#e9f8f0;
  --amber:#a56700;
  --amber-soft:#fff7df;
  --red:#b42318;
  --red-soft:#fff0ee;
  --navy:#071b2f;
  --shadow:0 24px 60px rgba(18,70,120,.14);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#f5fbff 0%,#edf7ff 55%,#f7fbff 100%)}
button,input,select{font:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(22,100,184,.24);outline-offset:2px}
.hidden{display:none!important}
#ambientCanvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;opacity:.55;z-index:0}
.app-shell{position:relative;z-index:1;min-height:100vh;display:grid;grid-template-rows:auto auto 1fr auto}
.topbar{position:sticky;top:0;z-index:50;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px;padding:14px clamp(18px,3vw,48px);background:rgba(255,255,255,.91);border-bottom:1px solid rgba(22,100,184,.12);backdrop-filter:blur(18px)}
.brand{display:flex;align-items:center;gap:12px;border:0;background:none;padding:0;text-align:left;color:inherit;justify-self:start}
.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;position:relative;overflow:hidden;background:linear-gradient(145deg,var(--blue),var(--blue-3));box-shadow:0 8px 22px rgba(13,78,150,.24);color:white;font-weight:900;letter-spacing:-.12em}
.brand-mark:after{content:"";position:absolute;width:42px;height:12px;background:rgba(255,255,255,.12);transform:rotate(-34deg);top:4px;left:-8px}
.brand-x,.brand-a{position:absolute}.brand-x{transform:translateX(-4px)}.brand-a{transform:translateX(5px);opacity:.82}
.brand-copy{display:grid}.brand-name{font-size:19px;line-height:1}.brand-name strong{color:var(--blue)}.brand-tag{font-size:10.5px;color:var(--muted);margin-top:5px}
.course-name-wrap{display:grid;text-align:center}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:10px;font-weight:900;color:var(--blue)}.course-name{font-weight:850;color:var(--blue-3);font-size:15px}
.top-actions{display:flex;justify-content:flex-end;gap:8px}.icon-btn{border:1px solid var(--line);background:white;color:var(--ink);border-radius:13px;padding:9px 12px;font-weight:750;box-shadow:0 4px 14px rgba(18,70,120,.05)}
.course-progress{position:sticky;top:77px;z-index:45;background:rgba(245,251,255,.92);border-bottom:1px solid rgba(22,100,184,.08);padding:8px clamp(18px,3vw,48px) 9px;backdrop-filter:blur(12px)}
.progress-rail{height:6px;border-radius:99px;background:#dfeaf4;overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--blue),#5bb8ee);transition:width .35s ease;border-radius:99px}.progress-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;font-weight:750;margin-top:5px}
.app{width:min(1240px,calc(100% - 32px));margin:30px auto 42px;align-self:start;min-height:680px}
.footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:20px clamp(18px,3vw,48px);border-top:1px solid rgba(22,100,184,.10);background:rgba(255,255,255,.72);font-size:12px;color:var(--muted)}
.footer strong{color:var(--blue-3)}
.panel{background:rgba(255,255,255,.97);border:1px solid rgba(22,100,184,.12);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;animation:panelIn .32s ease both}
@keyframes panelIn{from{opacity:.35;transform:translateY(10px)}to{opacity:1;transform:none}}
.panel-head{padding:34px clamp(24px,4vw,52px) 20px;border-bottom:1px solid #edf3f8;display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.panel-body{padding:30px clamp(24px,4vw,52px) 38px}.panel-foot{padding:22px clamp(24px,4vw,52px) 28px;border-top:1px solid #e8f0f7;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:#fbfdff}
.kicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:900;color:var(--blue)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,70px);line-height:.95;letter-spacing:-.055em;margin-bottom:18px}h2{font-size:clamp(30px,4vw,52px);line-height:1;letter-spacing:-.04em;margin-bottom:14px}h3{font-size:24px;letter-spacing:-.025em}.lead{font-size:18px;line-height:1.6;color:#3c5873;max-width:780px}.muted{color:var(--muted)}.tiny{font-size:12px;color:var(--muted);line-height:1.5}.strong{font-weight:850}.nowrap{white-space:nowrap}
.btn{border:0;border-radius:14px;min-height:46px;padding:0 18px;font-weight:820;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.42;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-3));color:white;box-shadow:0 10px 22px rgba(13,78,150,.20)}.btn-secondary{background:var(--sky);color:var(--blue-3);border:1px solid #cfe4f8}.btn-ghost{background:white;color:var(--ink);border:1px solid var(--line)}.btn-success{background:var(--green);color:#fff}.btn-danger{background:var(--red);color:#fff}.btn-row{display:flex;gap:10px;flex-wrap:wrap}
.start-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}.intro-card{padding:28px;border-radius:24px;border:1px solid #d8e8f7;background:linear-gradient(145deg,#edf7ff,#fbfdff);position:relative;overflow:hidden}.intro-card:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:rgba(22,100,184,.07);right:-90px;top:-110px}.flow{display:grid;gap:12px;margin-top:24px}.flow-item{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start}.flow-n{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--blue);color:white;font-weight:900;box-shadow:0 7px 17px rgba(22,100,184,.16)}.flow-item b{display:block;margin:1px 0 3px}.flow-item span{font-size:13px;color:var(--muted);line-height:1.45}.form-card{padding:28px;border-radius:24px;border:1px solid var(--line);background:white}.form-grid{display:grid;gap:15px}.field{display:grid;gap:7px}.field label{font-size:12px;font-weight:850;color:#34536f}.field input,.field select{height:48px;border:1px solid #cbdbe9;border-radius:13px;background:#fbfdff;padding:0 13px;color:var(--ink)}.checkbox{display:grid;grid-template-columns:20px 1fr;gap:10px;align-items:start;font-size:12.5px;color:#526a80;line-height:1.5}.checkbox input{margin-top:3px}.notice{padding:15px 17px;border-radius:15px;background:var(--amber-soft);border:1px solid #f0d795;color:#725100;font-size:13px;line-height:1.55}.info-notice{background:var(--sky);border-color:#cce2f6;color:#28567f}.danger-notice{background:var(--red-soft);border-color:#efc2bc;color:#8d2b21}.success-notice{background:var(--green-soft);border-color:#b8dfcb;color:#17603f}
.module-map{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:24px}.module-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:white;position:relative;overflow:hidden}.module-card:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--blue),#6cc5ee)}.module-card .n{font-weight:950;color:var(--blue);font-size:11px;letter-spacing:.12em}.module-card b{display:block;margin:7px 0 5px}.module-card p{font-size:12px;color:var(--muted);line-height:1.45;margin:0}
.module-overview{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.objective-card{padding:24px;border-radius:22px;background:linear-gradient(155deg,var(--blue),var(--blue-3));color:white;min-height:100%;display:grid;align-content:space-between}.objective-card .kicker{color:#cceaff}.objective-card h3{font-size:30px;margin:10px 0 12px}.objective-card p{line-height:1.6;color:rgba(255,255,255,.86)}.ref-card{padding:22px;border-radius:20px;border:1px solid var(--line);background:#fbfdff}.ref-card b{display:block;color:var(--blue-3);margin-bottom:7px}.ref-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.scene-count{padding:7px 11px;border-radius:999px;background:var(--sky);color:var(--blue-3);font-weight:850;font-size:12px}
.lesson-layout{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);gap:24px;align-items:stretch}.lesson-player{border-radius:24px;overflow:hidden;background:linear-gradient(150deg,#071c31,#0d3864);min-height:500px;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);color:white}.lesson-canvas{display:block;width:100%;height:100%;min-height:500px}.lesson-overlay{position:absolute;inset:0;display:grid;grid-template-rows:auto 1fr auto;pointer-events:none}.lesson-top{display:flex;justify-content:space-between;gap:14px;padding:18px}.lesson-chip{padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.13);font-size:11px;font-weight:850;backdrop-filter:blur(8px)}.lesson-center{align-self:end;padding:20px 24px 18px;background:linear-gradient(180deg,transparent,rgba(3,16,29,.82) 24%,rgba(3,16,29,.94));}.lesson-center h3{font-size:clamp(26px,3vw,39px);line-height:1.02;margin-bottom:8px;color:white}.lesson-center p{margin:0;color:#c8ddf0;line-height:1.5;max-width:760px}.lesson-bottom{padding:0 24px 22px;background:rgba(3,16,29,.94)}.timeline{height:5px;background:rgba(255,255,255,.15);border-radius:99px;overflow:hidden}.timeline-fill{height:100%;background:linear-gradient(90deg,#54b8ed,#fff);width:0}.player-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:11px;pointer-events:auto}.player-controls .btn-mini{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.10);color:white;border-radius:11px;padding:8px 11px;font-size:12px;font-weight:800}.timecode{font-size:11px;color:#bdd2e4;font-variant-numeric:tabular-nums}.lesson-notes{border:1px solid var(--line);border-radius:24px;background:white;padding:22px;display:grid;grid-template-rows:auto 1fr auto;min-height:500px}.lesson-notes h3{margin-bottom:7px}.lesson-notes .sub{color:var(--muted);font-size:13px;line-height:1.45;margin-bottom:18px}.bullet-list{display:grid;gap:10px;align-content:start}.bullet{display:grid;grid-template-columns:34px 1fr;gap:11px;padding:12px;border-radius:14px;background:#f7fbff;border:1px solid #e2edf7}.bullet-ico{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--blue);color:white;font-weight:900;font-size:12px}.bullet b{display:block;font-size:13px;color:#1a456e;margin-bottom:3px}.bullet span{font-size:12px;color:var(--muted);line-height:1.4}.callout{margin-top:14px;padding:13px 14px;border-radius:13px;background:var(--amber-soft);border:1px solid #eed99f;color:#725100;font-size:12px;line-height:1.48}.scene-done{margin-top:16px;padding:12px 13px;border-radius:13px;background:var(--green-soft);border:1px solid #c4e6d4;color:#17603f;font-size:12px;font-weight:750}
.quiz-shell{max-width:920px;margin:0 auto}.quiz-meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px;color:var(--muted);font-size:12px;font-weight:850}.question{font-size:clamp(24px,3vw,37px);line-height:1.16;letter-spacing:-.03em;margin-bottom:24px}.options{display:grid;gap:11px}.option{width:100%;display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;text-align:left;border:1px solid #d7e4ef;border-radius:16px;background:white;padding:14px 16px;color:var(--ink);transition:.15s ease}.option:hover{border-color:#9ec8ef;background:#f8fbff}.option.selected{border-color:var(--blue);background:var(--sky);box-shadow:0 0 0 3px rgba(22,100,184,.07)}.option-key{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#edf3f8;color:#45637c;font-weight:900}.option.selected .option-key{background:var(--blue);color:white}.answer-note{margin-top:18px;padding:14px 16px;border-radius:14px;font-size:13px;line-height:1.5}.answer-note.correct{background:var(--green-soft);border:1px solid #bfe2cf;color:#175f3f}.answer-note.wrong{background:var(--red-soft);border:1px solid #edc3bd;color:#872f25}
.module-result{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center}.score-dial{width:190px;height:190px;border-radius:50%;display:grid;place-items:center;margin:auto;background:conic-gradient(var(--blue) calc(var(--score)*1%),#e4edf5 0);position:relative}.score-dial:after{content:"";position:absolute;inset:16px;border-radius:50%;background:white}.score-number{position:relative;z-index:1;text-align:center;font-size:44px;font-weight:950;color:var(--blue-3);letter-spacing:-.05em}.score-number small{display:block;font-size:11px;color:var(--muted);letter-spacing:0}.review-list{display:grid;gap:11px;margin-top:22px}.review-item{padding:15px 16px;border-radius:15px;border:1px solid var(--line);background:white}.review-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.review-q{font-weight:800;font-size:13px;line-height:1.45}.pill{font-size:10px;font-weight:900;border-radius:999px;padding:5px 8px;white-space:nowrap}.pill.ok{background:var(--green-soft);color:#17603f}.pill.bad{background:var(--red-soft);color:#8c3025}.review-answer{margin-top:8px;font-size:12px;color:var(--muted);line-height:1.5}
.completion-grid{display:grid;grid-template-columns:1fr .92fr;gap:24px;align-items:start}.summary-card{padding:24px;border-radius:22px;background:linear-gradient(145deg,#f1f8ff,#fff);border:1px solid #d9e9f7}.summary-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:20px}.summary-stat{padding:15px;border-radius:15px;background:white;border:1px solid var(--line)}.summary-stat b{display:block;font-size:23px;color:var(--blue-3)}.summary-stat span{font-size:11px;color:var(--muted)}.certificate-card{padding:18px;border-radius:22px;border:1px solid var(--line);background:white}.certificate-canvas{display:block;width:100%;height:auto;border-radius:12px;border:1px solid #dce7f0;background:white}.email-box{margin-top:16px;padding:14px 15px;border:1px solid #d5e4f0;border-radius:14px;background:#f8fbff;font-size:12px;color:#4b657d;line-height:1.55}.email-box code{font-size:11px;color:var(--blue-3)}
.module-nav{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:18px}.module-nav-item{border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:white;font-size:11px;color:var(--muted)}.module-nav-item b{display:block;color:var(--ink);font-size:12px;margin-bottom:3px}.module-nav-item.active{border-color:var(--blue);background:var(--sky)}.module-nav-item.done{border-color:#b9dec9;background:#f0faf5}.module-nav-item.locked{opacity:.5}
@media (max-width:980px){.topbar{grid-template-columns:1fr auto}.course-name-wrap{display:none}.start-grid,.module-overview,.lesson-layout,.completion-grid{grid-template-columns:1fr}.module-map{grid-template-columns:1fr 1fr}.lesson-player,.lesson-notes{min-height:460px}.lesson-canvas{min-height:460px}.module-result{grid-template-columns:1fr}.module-nav{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.desktop-only{display:none}.topbar{padding:12px 14px}.course-progress{top:72px;padding-left:14px;padding-right:14px}.brand-tag{display:none}.brand-mark{width:44px;height:44px}.app{width:min(100% - 18px,1240px);margin:18px auto 30px}.panel{border-radius:20px}.panel-head,.panel-body,.panel-foot{padding-left:18px;padding-right:18px}.panel-head{padding-top:24px}.module-map,.module-nav,.summary-stat-grid{grid-template-columns:1fr}.start-grid{gap:16px}.intro-card,.form-card{padding:20px}.lesson-player,.lesson-notes{min-height:420px}.lesson-canvas{min-height:420px}.lesson-notes{padding:17px}.player-controls{align-items:flex-end}.module-result{gap:16px}.footer{padding:16px 14px}.panel-foot{align-items:stretch}.panel-foot>.btn-row,.panel-foot>.btn{width:100%}.panel-foot .btn-row .btn{flex:1}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* v3 refinements ----------------------------------------------------------- */
.brand-logo-wrap{width:54px;height:54px;display:grid;place-items:center;flex:0 0 54px;border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 7px 22px rgba(13,78,150,.12);border:1px solid #d9e7f3}
.brand-logo{width:50px;height:50px;object-fit:contain;display:block}

/* Keep every character placed inside a blue badge fully white. */
.flow-n,.bullet-ico,.option.selected .option-key{color:#fff!important;-webkit-text-fill-color:#fff!important;opacity:1!important;text-shadow:0 1px 1px rgba(0,0,0,.10)}

.start-brand{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.start-brand img{width:82px;height:78px;object-fit:contain;border-radius:18px;background:#fff;border:1px solid #d7e8f7;box-shadow:0 10px 28px rgba(20,78,132,.10)}
.start-brand-copy{display:grid;gap:3px}.start-brand-copy b{font-size:20px;color:var(--blue-3)}.start-brand-copy span{font-size:12px;color:var(--muted)}

.orientation-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:24px;align-items:stretch}
.orientation-player{border:1px solid #cfe0ef;border-radius:24px;overflow:hidden;background:#071b2f;box-shadow:0 18px 44px rgba(13,78,150,.15)}
.orientation-video{display:block;width:100%;aspect-ratio:16/9;background:#061625;object-fit:contain}
.orientation-meta{display:flex;justify-content:space-between;gap:16px;padding:13px 16px;background:#0b2d4a;color:#ddecf7;font-size:12px;align-items:center}
.orientation-progress{display:flex;align-items:center;gap:9px;font-weight:800}
.orientation-dot{width:10px;height:10px;border-radius:99px;background:#f2b84b;box-shadow:0 0 0 4px rgba(242,184,75,.14)}
.orientation-dot.done{background:#3dba78;box-shadow:0 0 0 4px rgba(61,186,120,.15)}
.orientation-side{border:1px solid var(--line);border-radius:24px;background:#fff;padding:24px;display:grid;align-content:start;gap:14px}
.orientation-side h3{margin:2px 0 0}.orientation-side p{margin:0;color:var(--muted);line-height:1.58;font-size:13px}
.orientation-checks{display:grid;gap:10px;margin-top:4px}.orientation-check{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;border:1px solid #e0ecf6;border-radius:14px;padding:11px;background:#f8fbff}.orientation-check span:first-child{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--blue);color:#fff!important;-webkit-text-fill-color:#fff!important;font-weight:900}.orientation-check b{font-size:12px;color:#1b4b73}.orientation-check small{display:block;margin-top:3px;color:var(--muted);line-height:1.35}

.voice-dialog{border:0;padding:0;background:transparent;max-width:min(760px,calc(100vw - 20px));width:min(760px,calc(100vw - 20px));margin:auto}.voice-dialog::backdrop{background:rgba(4,19,34,.56);backdrop-filter:blur(5px)}
.voice-card{width:100%;max-width:100%;max-height:min(86vh,720px);overflow:auto;background:#fff;border:1px solid #d5e5f2;border-radius:24px;box-shadow:0 28px 80px rgba(5,39,70,.28);padding:24px clamp(16px,3vw,26px)}
.voice-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.voice-head h3{margin:5px 0 8px}.dialog-close{flex:0 0 auto;width:38px;height:38px;border:1px solid var(--line);border-radius:12px;background:#f8fbff;color:var(--ink);font-size:24px;line-height:1}.voice-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(130px,180px);gap:14px;margin-top:20px;align-items:end}.voice-grid>*{min-width:0}.voice-preview{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;flex-wrap:wrap}.voice-card .field,.voice-card select,.voice-card label{min-width:0}.voice-card select{width:100%;max-width:100%}

.narrator-quality{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:#e9f8f0;color:#17603f;font-size:10px;font-weight:900;letter-spacing:.02em}

@media(max-width:980px){.orientation-layout{grid-template-columns:1fr}.orientation-side{padding:20px}}
@media(max-width:860px){.voice-grid{grid-template-columns:1fr}.voice-preview{justify-content:stretch}.voice-preview .btn{flex:1}}
@media(max-width:640px){.brand-logo-wrap{width:46px;height:46px;flex-basis:46px}.brand-logo{width:43px;height:43px}.top-actions{gap:5px}.icon-btn{padding:8px 9px}.voice-dialog{width:min(calc(100vw - 16px),760px);max-width:min(calc(100vw - 16px),760px)}.voice-card{padding:18px}.voice-head{gap:12px}.voice-head h3{font-size:22px}.orientation-meta{align-items:flex-start;flex-direction:column}.start-brand img{width:68px;height:64px}}

/* v5 animated-scene refinements */
.bullet{transition:border-color .18s ease,background .18s ease,box-shadow .18s ease,transform .18s ease}
.bullet.active{background:#eef8ff;border-color:#91c9ef;box-shadow:0 7px 18px rgba(19,91,150,.08);transform:translateY(-1px)}
.bullet.active .bullet-ico{transform:scale(1.06);box-shadow:0 5px 12px rgba(13,92,170,.18)}
.bullet-ico{transition:transform .18s ease,box-shadow .18s ease;color:#fff!important;-webkit-text-fill-color:#fff!important}
.option.selected .option-key,.flow-n{color:#fff!important;-webkit-text-fill-color:#fff!important}
.lesson-player{min-height:530px}
.lesson-canvas{min-height:530px}
@media (max-width:980px){.lesson-player,.lesson-canvas{min-height:480px}}
@media (max-width:640px){.lesson-player,.lesson-canvas{min-height:440px}}

/* v6 guided-practice activities -------------------------------------------- */
.practice-shell{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:24px;align-items:start}
.practice-stage{display:grid;gap:18px}
.practice-stage-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,#fbfdff,#f2f8ff)}
.practice-stage-head h3{margin:5px 0 7px;font-size:clamp(25px,3vw,35px)}
.practice-stage-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.55;max-width:760px}
.practice-counter{flex:0 0 auto;padding:7px 11px;border-radius:999px;background:var(--blue);color:#fff!important;-webkit-text-fill-color:#fff!important;font-size:11px;font-weight:900}
.practice-progress-track{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.practice-progress-track span{height:7px;border-radius:999px;background:#dfeaf3;font-size:0;overflow:hidden}
.practice-progress-track span.active{background:linear-gradient(90deg,var(--blue),#43b8ed)}
.practice-progress-track span.done{background:var(--green)}
.scenario-card{padding:22px;border-radius:22px;background:linear-gradient(145deg,#0b4278,#0b68b8);color:white;box-shadow:0 15px 36px rgba(13,78,150,.16)}
.scenario-label{display:inline-flex;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.17);font-size:10px;font-weight:900;letter-spacing:.06em;text-transform:uppercase;color:white}
.scenario-card h4{font-size:24px;margin:14px 0 8px;color:white}
.scenario-card p{margin:0;color:#e1f0fb;line-height:1.62;font-size:14px}
.decision-card{padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff}
.decision-prompt{font-size:clamp(20px,2.4vw,29px);font-weight:900;line-height:1.22;letter-spacing:-.025em;margin-bottom:17px;color:var(--ink)}
.practice-options{display:grid;gap:10px}
.practice-option{width:100%;display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center;text-align:left;border:1px solid #d8e5ef;border-radius:16px;background:#fff;padding:13px 15px;color:var(--ink);transition:.15s ease}
.practice-option:hover{border-color:#8fc3ec;background:#f8fbff;transform:translateY(-1px)}
.practice-option-key{width:40px;height:40px;border-radius:12px;background:#edf3f8;display:grid;place-items:center;color:#43627d;font-weight:950}
.practice-option.selected{border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,100,184,.07)}
.practice-option.selected .practice-option-key{background:var(--blue);color:#fff!important;-webkit-text-fill-color:#fff!important}
.practice-option.correct{background:#f2fbf6;border-color:#9ed3b5}.practice-option.correct .practice-option-key{background:var(--green)}
.practice-option.wrong{background:#fff6f4;border-color:#e8aaa3}.practice-option.wrong .practice-option-key{background:var(--red)}
.practice-feedback,.practice-hint{margin-top:16px;padding:14px 15px;border-radius:15px;font-size:13px;line-height:1.55}
.practice-feedback.correct{background:var(--green-soft);border:1px solid #bfe2cf;color:#175f3f}
.practice-feedback.wrong{background:var(--red-soft);border:1px solid #edc3bd;color:#872f25}
.practice-feedback strong{margin-right:4px}.attempt-note{display:block;margin-top:7px;font-size:11px;font-weight:800;opacity:.82}
.practice-hint{background:#f5f9fc;border:1px solid #dbe8f2;color:#526b81}
.practice-side{position:sticky;top:152px;border:1px solid var(--line);border-radius:22px;background:#fff;padding:22px;display:grid;gap:13px}
.practice-side h3{margin:3px 0 0}.practice-side>p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.practice-materials{display:flex;flex-wrap:wrap;gap:7px;margin:3px 0 4px}
.practice-materials span{padding:7px 9px;border-radius:999px;background:#eef7ff;border:1px solid #d3e8fa;color:#21547e;font-size:10px;font-weight:820;line-height:1.2}
.practice-rule{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;padding:10px 11px;border:1px solid #e1ecf5;border-radius:14px;background:#f9fcff}
.practice-rule>span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--blue);color:#fff!important;-webkit-text-fill-color:#fff!important;font-weight:950}
.practice-rule b{display:block;color:#1a4c76;font-size:12px}.practice-rule small{display:block;color:var(--muted);font-size:10px;line-height:1.35;margin-top:2px}
.practice-complete-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.practice-summary-card,.practice-materials-card{border:1px solid var(--line);border-radius:22px;padding:24px;background:white}
.practice-summary-card{background:linear-gradient(145deg,#f1fbf6,#fff);border-color:#c9e6d6;position:relative;overflow:hidden}
.practice-success-icon{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:var(--green);color:#fff!important;-webkit-text-fill-color:#fff!important;font-size:30px;font-weight:950;margin-bottom:16px;box-shadow:0 10px 26px rgba(41,147,96,.18)}
.practice-summary-card h3,.practice-materials-card h3{margin:6px 0 10px}.practice-summary-card>p,.practice-materials-card>p{color:var(--muted);line-height:1.55;font-size:13px}
.practice-source{margin-top:16px;padding:13px 14px;border-radius:14px;background:white;border:1px solid #d8e9df;font-size:12px;line-height:1.5}.practice-source strong{display:block;color:#17603f;margin-bottom:4px}.practice-source span{color:var(--muted)}
.practice-review-list{display:grid;gap:10px;margin-top:20px}
.practice-review-item{display:grid;grid-template-columns:38px 1fr 34px;gap:12px;align-items:center;padding:13px 14px;border:1px solid var(--line);border-radius:16px;background:#fff}
.practice-review-n{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--blue);color:#fff!important;-webkit-text-fill-color:#fff!important;font-weight:950}
.practice-review-item b{display:block;color:#1a4b73;font-size:12px;margin-bottom:3px}.practice-review-item span:not(.practice-review-n):not(.practice-check){display:block;color:var(--muted);font-size:11px;line-height:1.4}.practice-review-item strong{display:block;margin-top:5px;color:#173f62;font-size:11px;line-height:1.4}
.practice-check{width:30px;height:30px;border-radius:99px;display:grid;place-items:center;background:var(--green-soft);color:#17603f;font-weight:950}
@media(max-width:980px){.practice-shell,.practice-complete-grid{grid-template-columns:1fr}.practice-side{position:static}.practice-stage-head{align-items:flex-start}}
@media(max-width:640px){.practice-stage-head{display:grid}.practice-counter{justify-self:start}.practice-progress-track{gap:5px}.scenario-card,.decision-card,.practice-side,.practice-summary-card,.practice-materials-card{padding:18px}.practice-option{grid-template-columns:36px 1fr;padding:12px}.practice-option-key{width:36px;height:36px}.practice-review-item{grid-template-columns:34px 1fr 30px}.practice-review-n{width:34px;height:34px}}


/* v7 layout + visual refinements */
.app{width:min(1460px,calc(100% - 24px));}
.orientation-stack{display:grid;gap:16px}
.orientation-player-wide{max-width:100%}
.orientation-actions-bar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.orientation-guide-panel{border:1px solid var(--line);border-radius:24px;background:#fff;padding:24px;display:grid;gap:16px;box-shadow:0 18px 44px rgba(13,78,150,.08)}
.orientation-guide-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.orientation-guide-head h3{margin:2px 0 8px}.orientation-guide-head p{margin:0;color:var(--muted);line-height:1.58;font-size:13px}
.guide-close,.notes-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#f8fbff;color:var(--ink);font-size:24px;line-height:1}
.lesson-layout-focus{grid-template-columns:1fr;position:relative}
.lesson-player-hero{min-height:660px}
.lesson-canvas{min-height:660px}
.lesson-top-actions{display:flex;align-items:center;gap:10px}
.notes-chip{border:0;color:#fff;background:rgba(255,255,255,.16);pointer-events:auto}
.notes-chip:hover{background:rgba(255,255,255,.22)}
.lesson-notes-panel{position:fixed;right:22px;top:154px;width:min(380px,calc(100vw - 32px));max-height:calc(100vh - 182px);overflow:auto;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.98);padding:22px;display:grid;grid-template-rows:auto 1fr auto;box-shadow:0 30px 90px rgba(5,39,70,.24);z-index:70;backdrop-filter:blur(14px)}
.notes-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:10px}
.notes-panel-head h3{margin-bottom:7px}.notes-panel-head .sub{color:var(--muted);font-size:13px;line-height:1.45;margin:0}
.lesson-notes-panel .bullet-list{display:grid;gap:10px;align-content:start}
.bullet{background:linear-gradient(145deg,#f7fbff,#ffffff);border:1px solid #dcebf7;border-radius:16px;padding:13px}
.bullet-ico{box-shadow:0 8px 18px rgba(22,100,184,.16)}
.bullet b{font-size:13px}.bullet span{font-size:12px;line-height:1.42}
.lesson-center{padding:28px 28px 20px}
.lesson-center p{font-size:15px;line-height:1.6;max-width:880px}
.lesson-bottom{padding:0 28px 24px}
.timeline{height:7px}
.player-controls .btn-mini{padding:9px 12px;border-radius:12px}
@media(max-width:1280px){.lesson-player-hero,.lesson-canvas{min-height:600px}.lesson-notes-panel{top:146px;right:16px;width:min(360px,calc(100vw - 24px))}}
@media(max-width:980px){.app{width:min(100% - 20px,1460px)}.lesson-player-hero,.lesson-canvas{min-height:540px}.lesson-notes-panel{position:fixed;left:12px;right:12px;top:auto;bottom:12px;width:auto;max-height:62vh;border-radius:22px}.orientation-actions-bar{align-items:flex-start}}
@media(max-width:640px){.lesson-player-hero,.lesson-canvas{min-height:460px}.lesson-top{padding:14px}.lesson-top-actions{gap:8px;flex-wrap:wrap;justify-content:flex-end}.notes-chip{font-size:11px}.lesson-center{padding:18px 18px 16px}.lesson-center h3{font-size:clamp(22px,6vw,30px)}.lesson-bottom{padding:0 18px 18px}.orientation-guide-panel{padding:18px}.orientation-guide-head{display:grid}}


/* v9 friendly dialogue scene redesign */
.lesson-player-hero{background:#f3f9fc;min-height:720px;border:1px solid #dceaf3;box-shadow:0 24px 60px rgba(42,86,118,.14)}
.lesson-canvas{min-height:720px}
.lesson-overlay{pointer-events:none}
.lesson-top,.lesson-bottom{pointer-events:none}
.lesson-top .notes-chip,.player-controls{pointer-events:auto}
.lesson-chip{background:rgba(255,255,255,.90);color:#174e76;border:1px solid rgba(48,115,160,.15);box-shadow:0 6px 16px rgba(35,83,116,.08);backdrop-filter:blur(8px)}
.notes-chip{background:#e9f5fb;color:#15558b!important}
.lesson-transcript-a11y{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;padding:0!important;margin:-1px!important}
.lesson-bottom{background:linear-gradient(180deg,rgba(247,251,253,0),rgba(247,251,253,.92) 32%,rgba(247,251,253,.98));padding:28px 28px 22px}
.timeline{background:#d8e7ef;height:7px}.timeline-fill{background:linear-gradient(90deg,#2ba1d8,#65c9a3)}
.player-controls .btn-mini{background:#fff;color:#174e76;border:1px solid #cbdfe9;box-shadow:0 5px 14px rgba(39,83,113,.08)}
.timecode{color:#536d80;font-weight:800}
.scene-dash-out{animation:sceneDashOut .42s cubic-bezier(.55,.02,.9,.48) forwards}
@keyframes sceneDashOut{0%{transform:translateX(0);opacity:1}58%{transform:translateX(-4%);opacity:.9}100%{transform:translateX(-22%);opacity:0}}
@media(max-width:1280px){.lesson-player-hero,.lesson-canvas{min-height:650px}}
@media(max-width:980px){.lesson-player-hero,.lesson-canvas{min-height:580px}}
@media(max-width:640px){.lesson-player-hero,.lesson-canvas{min-height:500px}.lesson-bottom{padding:24px 16px 16px}}


/* v10 visibility fix: keep controls from washing out the canvas */
.lesson-overlay{display:block!important;position:absolute;inset:0;pointer-events:none}
.lesson-top{position:absolute;top:0;left:0;right:0;z-index:4;pointer-events:none}
.lesson-bottom{position:absolute!important;left:0;right:0;bottom:0;z-index:5;padding:58px 28px 22px!important;background:linear-gradient(180deg,rgba(247,251,253,0) 0%,rgba(247,251,253,.70) 45%,rgba(247,251,253,.98) 82%)!important;pointer-events:none}
.lesson-top .notes-chip,.lesson-bottom .player-controls{pointer-events:auto}
.lesson-canvas{position:relative;z-index:1;opacity:1!important;filter:none!important}
.lesson-player-hero{isolation:isolate}
.lesson-transcript-a11y{z-index:-1}
.player-controls{position:relative;z-index:6}
.timeline{position:relative;z-index:6}
@media(max-width:640px){.lesson-bottom{padding:50px 16px 16px!important}}


/* v11 beta-testing controls — remove by setting CONFIG.betaTesting=false */
.btn-beta{background:#fff4d6;color:#7a5100;border:1px solid #e7c66d;box-shadow:0 8px 20px rgba(147,104,0,.10)}
.btn-beta:hover:not(:disabled){background:#ffedbd;border-color:#d7ae42}
.btn-beta:disabled{background:#f4f1e7;color:#8a806a;border-color:#ddd4bb}


/* v14 centered play control + in-player Xpress Aide branding */
.lesson-brand-group{display:flex;align-items:center;gap:10px;pointer-events:none}
.lesson-brand-badge{display:flex;align-items:center;gap:9px;padding:6px 10px 6px 7px;border-radius:16px;background:rgba(255,255,255,.94);border:1px solid rgba(49,118,161,.16);box-shadow:0 7px 18px rgba(35,83,116,.10);color:#174e76;font-size:11px;font-weight:900;letter-spacing:.01em;white-space:nowrap}
.lesson-brand-badge img{width:30px;height:30px;object-fit:contain;border-radius:9px;background:#fff}
.center-play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;width:132px;height:132px;border:1px solid rgba(39,126,178,.22);border-radius:50%;background:rgba(255,255,255,.94);box-shadow:0 24px 65px rgba(28,78,113,.22),inset 0 0 0 8px rgba(221,244,255,.72);color:#145b93;pointer-events:auto;transition:transform .18s ease,box-shadow .18s ease,opacity .18s ease}
.center-play-button:hover{transform:translate(-50%,-50%) scale(1.04);box-shadow:0 28px 70px rgba(28,78,113,.26),inset 0 0 0 8px rgba(214,241,255,.86)}
.center-play-button:active{transform:translate(-50%,-50%) scale(.98)}
.center-play-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:linear-gradient(145deg,#1d79c0,#0f5f9f);color:#fff;font-size:25px;line-height:1;padding-left:4px;box-shadow:0 11px 28px rgba(21,96,157,.25)}
.center-play-label{font-size:12px;font-weight:900;color:#174e76}
@media(max-width:980px){.lesson-brand-badge span{display:none}.lesson-brand-badge{padding:6px}.center-play-button{width:116px;height:116px}}
@media(max-width:640px){.lesson-brand-group{gap:6px}.lesson-brand-badge img{width:26px;height:26px}.center-play-button{width:100px;height:100px}.center-play-icon{width:46px;height:46px;font-size:21px}.center-play-label{font-size:11px}}


/* v16 canvas/vector rendering hardening */
.lesson-canvas{display:block;width:100%;height:100%;transform:translateZ(0);backface-visibility:hidden;image-rendering:auto}
.center-play-icon{display:grid;place-items:center}
.play-triangle{display:block;width:0;height:0;border-top:13px solid transparent;border-bottom:13px solid transparent;border-left:21px solid #fff;margin-left:5px;filter:drop-shadow(0 1px 0 rgba(0,0,0,.04))}
@media(max-width:640px){.play-triangle{border-top-width:11px;border-bottom-width:11px;border-left-width:18px;margin-left:4px}}

/* v20 final symmetry / cleanliness QA pass -------------------------------- */
:root{
  --page-max:1460px;
  --section-gap:24px;
  --card-radius:22px;
  --control-radius:14px;
  --control-height:46px;
}

.app{width:min(var(--page-max),calc(100% - 32px));margin:28px auto 40px}
.panel{border-radius:26px}
.panel-head{padding:30px clamp(24px,3.6vw,48px) 22px;align-items:center}
.panel-head>div:first-child{min-width:0}
.panel-body{padding:28px clamp(24px,3.6vw,48px) 34px}
.panel-foot{padding:20px clamp(24px,3.6vw,48px) 24px;min-height:82px}
.panel-foot>.btn-row{align-items:center}

.btn{min-height:var(--control-height);border-radius:var(--control-radius);display:inline-flex;align-items:center;justify-content:center;line-height:1.2}
.btn-row{align-items:center}
.field input,.field select{width:100%;height:48px;border-radius:var(--control-radius)}

.start-grid,.module-overview,.completion-grid,.practice-complete-grid{gap:var(--section-gap);align-items:stretch}
.intro-card,.form-card,.objective-card,.ref-card,.summary-card,.certificate-card,.practice-summary-card,.practice-materials-card,.orientation-guide-panel{border-radius:var(--card-radius)}
.form-card{display:grid;align-content:start}
.module-map{gap:12px}
.module-card{height:100%;min-height:148px;display:grid;align-content:start}
.module-card p{margin-top:0}

.module-nav{gap:10px;margin-bottom:18px}
.module-nav-item{min-height:62px;display:grid;align-content:center;padding:11px 13px}
.module-nav-item b{line-height:1.25}

.orientation-stack{gap:16px}
.orientation-player,.orientation-guide-panel{overflow:hidden}
.orientation-actions-bar{padding:0 2px}
.orientation-guide-head{align-items:center}

.lesson-player-hero{border-radius:24px;overflow:hidden}
.lesson-top{padding:16px 18px}
.lesson-brand-group,.lesson-top-actions{min-height:42px}
.lesson-chip{min-height:30px;display:inline-flex;align-items:center;justify-content:center}
.lesson-brand-badge{min-height:42px}
.lesson-bottom{padding-left:24px!important;padding-right:24px!important}
.player-controls{min-height:40px}
.player-controls .btn-mini{min-height:36px;display:inline-flex;align-items:center;justify-content:center}

.practice-shell{gap:var(--section-gap)}
.practice-stage,.practice-side{min-width:0}
.practice-stage-head,.scenario-card,.decision-card,.practice-side{border-radius:var(--card-radius)}
.practice-side{top:148px}
.practice-progress-track{gap:7px}
.practice-option{min-height:62px}

.review-list{display:grid;gap:12px}
.review-item{border-radius:18px;padding:16px 18px}
.review-top{gap:16px}

.summary-stat-grid{gap:12px}
.summary-stat{min-height:92px;display:grid;align-content:center}
.certificate-card{display:grid;align-content:start}
.email-box{border-radius:16px;padding:16px 18px}

.footer{align-items:center;padding-top:18px;padding-bottom:18px}

.voice-dialog{overflow:visible}
.voice-card{overflow-x:hidden}
.voice-grid{width:100%}
.voice-grid .field{min-width:0}
.voice-grid select{display:block;width:100%;text-overflow:ellipsis}

@media(max-width:1100px){
  .module-map{grid-template-columns:repeat(2,1fr)}
  .summary-stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:980px){
  .app{width:min(100% - 22px,var(--page-max));margin-top:20px}
  .panel-head{align-items:flex-start}
  .practice-side{top:auto}
  .completion-grid{gap:18px}
}
@media(max-width:640px){
  .app{width:calc(100% - 14px);margin:12px auto 24px}
  .panel{border-radius:18px}
  .panel-head,.panel-body,.panel-foot{padding-left:16px;padding-right:16px}
  .panel-head{padding-top:20px;padding-bottom:16px}
  .panel-body{padding-top:18px;padding-bottom:24px}
  .panel-foot{padding-top:16px;padding-bottom:18px;min-height:0}
  .module-map,.summary-stat-grid{grid-template-columns:1fr}
  .module-card{min-height:0}
  .lesson-top{padding:12px}
  .lesson-bottom{padding-left:14px!important;padding-right:14px!important}
  .panel-foot>.btn-row{display:grid;grid-template-columns:1fr;width:100%}
  .panel-foot>.btn-row>.btn,.panel-foot>.btn{width:100%}
  .voice-preview{display:grid;grid-template-columns:1fr}
}

/* v21 session videos + certificate-only completion */
.session-video-shell{display:grid;gap:16px}
.session-video-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;padding:20px 22px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#f8fcff,#eef7ff)}
.session-video-heading h3{margin:5px 0 7px;color:var(--blue-3);font-size:clamp(24px,3vw,34px)}
.session-video-heading p{margin:0;color:var(--muted);line-height:1.55}
.session-video-status{flex:0 0 auto;padding:7px 11px;border-radius:999px;background:var(--amber-soft);border:1px solid #efd89d;color:#805c08;font-size:11px;font-weight:900}
.session-video-status.done{background:var(--green-soft);border-color:#bde1cd;color:#17603f}
.session-video-player{border-radius:24px;overflow:hidden;border:1px solid #cfe0ef;background:#071b2f;box-shadow:0 18px 44px rgba(13,78,150,.12)}
.session-video{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#071b2f}
.session-video-meta{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:0 4px;color:var(--muted);font-size:11px;font-weight:700}
.certificate-info-card{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.certificate-info-card>div{padding:12px 14px;border-radius:14px;border:1px solid #dce9f4;background:#fff}
.certificate-info-card span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--muted);margin-bottom:4px}
.certificate-info-card strong{display:block;color:var(--blue-3);font-size:12px;overflow-wrap:anywhere}
@media(max-width:760px){.session-video-heading{display:grid}.session-video-status{justify-self:start}.certificate-info-card{grid-template-columns:1fr}}

/* v25 mobile lesson-player optimization ----------------------------------- */
@media(max-width:820px){
  .lesson-player-hero,.lesson-canvas{min-height:450px!important;height:450px!important}
  .center-play-button{width:92px;height:92px;gap:5px}
  .center-play-icon{width:42px;height:42px}
  .center-play-label{font-size:10px}
}

@media(max-width:640px){
  /* Keep the actual animated lesson compact enough to fit a phone viewport. */
  .lesson-layout-focus{gap:10px}
  .lesson-player-hero,.lesson-canvas{min-height:360px!important;height:360px!important;max-height:360px!important}
  .lesson-player-hero{border-radius:18px;box-shadow:0 14px 34px rgba(42,86,118,.12)}

  .lesson-top{padding:8px 9px!important;gap:6px;align-items:flex-start}
  .lesson-brand-group,.lesson-top-actions{min-height:30px;gap:5px}
  .lesson-brand-badge{min-height:30px;padding:3px 5px;border-radius:11px}
  .lesson-brand-badge img{width:22px;height:22px;border-radius:6px}
  .lesson-chip{min-height:25px;padding:4px 7px;font-size:8.5px;border-radius:999px}
  .notes-chip{font-size:0!important;width:28px;padding:0!important}
  .notes-chip::after{content:"☰";font-size:12px;line-height:1}

  .lesson-bottom{padding:30px 10px 9px!important;background:linear-gradient(180deg,rgba(247,251,253,0) 0%,rgba(247,251,253,.64) 44%,rgba(247,251,253,.98) 80%)!important}
  .timeline{height:4px}
  .player-controls{min-height:30px;margin-top:7px;gap:7px}
  .player-controls .btn-mini{min-height:29px;padding:5px 8px;font-size:9px;border-radius:9px}
  .timecode{font-size:8.5px}

  .center-play-button{width:78px;height:78px;gap:3px;border-width:1px;box-shadow:0 14px 38px rgba(28,78,113,.18),inset 0 0 0 5px rgba(221,244,255,.72)}
  .center-play-icon{width:34px;height:34px}
  .play-triangle{border-top-width:8px;border-bottom-width:8px;border-left-width:13px;margin-left:3px}
  .center-play-label{font-size:8.5px}

  /* Avoid a four-card vertical wall above the player on phones. */
  .module-nav{display:flex!important;grid-template-columns:none!important;overflow-x:auto;gap:7px;margin:0 -2px 10px;padding:0 2px 4px;scroll-snap-type:x proximity;scrollbar-width:none}
  .module-nav::-webkit-scrollbar{display:none}
  .module-nav-item{flex:0 0 165px;min-height:48px;padding:7px 9px;border-radius:11px;scroll-snap-align:start;font-size:9px}
  .module-nav-item b{font-size:10px;margin-bottom:2px}

  .lesson-notes-panel{left:8px;right:8px;bottom:8px;max-height:58vh;padding:15px;border-radius:18px}
}

@media(max-width:430px){
  .lesson-player-hero,.lesson-canvas{min-height:330px!important;height:330px!important;max-height:330px!important}
  .lesson-top{padding:7px 8px!important}
  .lesson-bottom{padding:27px 8px 8px!important}
  .player-controls .btn-mini{padding:4px 7px;font-size:8px}
  .timecode{font-size:8px}
  .center-play-button{width:72px;height:72px}
  .center-play-icon{width:31px;height:31px}
}

/* --------------------------------------------------------------------------
   v2 · State-specific Human Resources course selection
   -------------------------------------------------------------------------- */
.track-preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.track-preview-card{display:grid;grid-template-columns:54px 1fr;gap:12px;align-items:center;padding:15px 16px;border:1px solid #d7e7f5;border-radius:18px;background:rgba(255,255,255,.88);box-shadow:0 10px 24px rgba(20,82,137,.06)}
.track-preview-card .track-code{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--blue-3));color:#fff;font-weight:950;letter-spacing:.05em;box-shadow:0 8px 18px rgba(13,78,150,.18)}
.track-preview-card b{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}
.track-preview-card p{margin:0;color:var(--muted);font-size:11.5px;line-height:1.45}

.state-select-shell{display:grid;gap:24px;max-width:1120px;margin:0 auto}
.state-select-head{text-align:center;display:grid;justify-items:center;gap:8px;padding:4px 10px 0}
.state-select-head h1{max-width:850px;margin:0;font-size:clamp(36px,5vw,62px);line-height:1.03}
.state-select-head .lead{max-width:860px;margin:4px auto 0}
.participant-chip{margin-top:10px;display:inline-grid;grid-template-columns:auto auto auto;gap:9px;align-items:center;padding:10px 14px;border:1px solid #d5e6f5;border-radius:999px;background:#f7fbff;color:#49657d;font-size:12px}
.participant-chip span{text-transform:uppercase;letter-spacing:.09em;font-weight:900;color:var(--blue)}
.participant-chip strong{color:var(--ink)}
.participant-chip small{font-size:11px;color:var(--muted)}
.state-course-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.state-course-card{appearance:none;border:1px solid #cfe1f1;border-radius:25px;background:linear-gradient(145deg,#fff,#f6fbff);padding:25px;text-align:left;display:grid;grid-template-columns:82px 1fr;gap:20px;align-items:start;box-shadow:0 18px 44px rgba(13,78,150,.08);cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;min-height:330px;color:var(--ink)}
.state-course-card:hover,.state-course-card:focus-visible{transform:translateY(-3px);box-shadow:0 24px 56px rgba(13,78,150,.14);border-color:#8fc2e8;outline:none}
.state-course-icon{width:82px;height:82px;border-radius:23px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#389ed4);color:#fff;font-size:28px;font-weight:950;letter-spacing:.05em;box-shadow:0 12px 26px rgba(13,78,150,.22)}
.state-course-copy{display:grid;align-content:start;gap:10px;min-width:0}
.state-course-copy>strong{font-size:clamp(22px,2.4vw,31px);line-height:1.08}
.state-course-note{color:var(--muted);font-size:13px;line-height:1.5}
.state-course-modules{display:grid;gap:7px;margin-top:4px}
.state-course-modules>span{display:grid;grid-template-columns:32px 1fr;gap:7px;align-items:start;padding:8px 10px;border-radius:12px;background:#fff;border:1px solid #e0ecf6;color:#49657d;font-size:12px;line-height:1.35}
.state-course-modules b{color:var(--blue);font-size:11px;letter-spacing:.08em}
.state-course-action{margin-top:4px;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 15px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--blue-3));color:#fff;font-weight:900;font-size:13px;box-shadow:0 10px 20px rgba(13,78,150,.16)}
.course-state-strip{display:flex;align-items:center;gap:10px;margin:0 0 12px;padding:10px 13px;border:1px solid #d8e8f7;border-radius:14px;background:#f8fcff;color:#577086;font-size:12px;line-height:1.4}
.course-state-badge{flex:0 0 auto;display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:var(--blue);color:#fff;font-weight:900;letter-spacing:.02em}
.selected-course-callout{display:flex;gap:9px;align-items:center;margin:0 0 16px;padding:12px 14px;border-radius:14px;background:var(--sky);border:1px solid #cce2f6;color:#345f82;font-size:12px;line-height:1.45}
.selected-course-callout b{color:var(--blue-3);white-space:nowrap}

@media(max-width:980px){
  .state-course-grid{grid-template-columns:1fr}
  .state-course-card{min-height:0}
}
@media(max-width:640px){
  .track-preview-grid{grid-template-columns:1fr}
  .track-preview-card{grid-template-columns:46px 1fr;padding:13px}
  .track-preview-card .track-code{width:46px;height:46px;border-radius:14px;font-size:14px}
  .state-select-shell{gap:17px}
  .state-select-head{padding:0;text-align:left;justify-items:start}
  .state-select-head h1{font-size:clamp(30px,10vw,42px)}
  .participant-chip{grid-template-columns:auto 1fr;border-radius:16px;width:100%;justify-content:start}
  .participant-chip small{grid-column:2}
  .state-course-grid{gap:14px}
  .state-course-card{grid-template-columns:58px 1fr;gap:13px;padding:17px;border-radius:20px}
  .state-course-icon{width:58px;height:58px;border-radius:17px;font-size:18px}
  .state-course-copy>strong{font-size:22px}
  .state-course-modules>span{grid-template-columns:28px 1fr;padding:7px 8px;font-size:11px}
  .course-state-strip,.selected-course-callout{align-items:flex-start;flex-direction:column}
}