:root{
  --bg:#090c10;
  --bg-soft:#0d1117;
  --panel:#111720;
  --panel-2:#151d27;
  --panel-3:#0c1219;
  --text:#f3f7fa;
  --muted:#8b99a7;
  --muted-2:#667481;
  --line:#26313d;
  --line-soft:rgba(255,255,255,.07);
  --accent:#b8ff61;
  --accent-strong:#98eb3f;
  --accent-soft:rgba(184,255,97,.10);
  --blue:#89a9ff;
  --danger:#ff727c;
  --warn:#ffd06f;
  --success:#91efa8;
  --shadow:0 28px 80px rgba(0,0,0,.30);
  --shadow-soft:0 12px 34px rgba(0,0,0,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 18% -10%,rgba(184,255,97,.12),transparent 31%),
    radial-gradient(circle at 95% 8%,rgba(93,127,255,.09),transparent 27%),
    linear-gradient(180deg,#0a0e13 0%,#090c10 48%,#080b0f 100%);
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.23;
  background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(to bottom,black,transparent 72%);
}
main{position:relative;z-index:1;max-width:1260px;margin:0 auto;padding:54px 28px 90px}

/* Hero */
.hero{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:24px;
  align-items:start;
  margin-bottom:34px;
  padding:8px 4px 20px;
}
.mark{
  width:78px;height:78px;border-radius:23px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#c9ff84 0%,#a9fb50 60%,#8cd93b 100%);
  color:#0a0e10;
  box-shadow:0 18px 45px rgba(152,235,63,.18),inset 0 1px 0 rgba(255,255,255,.55);
  border:1px solid rgba(255,255,255,.24);
}
.mark span{font-size:47px;line-height:1;transform:translateY(-1px)}
.hero-copy{max-width:760px}
.hero-kicker{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:2px 0 10px}
.product-pill,.demo-pill{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:6px 9px;
  font-size:10px;line-height:1;font-weight:900;letter-spacing:.12em;
}
.product-pill{color:var(--accent);background:var(--accent-soft);border:1px solid rgba(184,255,97,.18)}
.demo-pill{color:#aeb8c2;background:rgba(255,255,255,.035);border:1px solid var(--line-soft)}
.demo-pill:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 12px rgba(145,239,168,.6)}
h1{font-size:48px;line-height:.98;letter-spacing:-.045em;margin:0;font-weight:850}
h1 span{color:var(--accent)}
.sub{max-width:720px;margin:13px 0 0;color:#a6b2bd;font-size:15px;line-height:1.62}
.hero-points{display:flex;gap:9px;flex-wrap:wrap;margin-top:17px}
.hero-points span{
  position:relative;
  padding:7px 11px 7px 23px;border-radius:999px;
  font-size:11px;font-weight:750;color:#cad4dc;
  background:rgba(255,255,255,.025);border:1px solid var(--line-soft);
}
.hero-points span:before{
  content:"";position:absolute;left:10px;top:50%;width:6px;height:6px;border-radius:50%;
  transform:translateY(-50%);background:var(--accent);
}
.health{
  display:flex;align-items:center;white-space:nowrap;
  border:1px solid var(--line-soft);border-radius:999px;
  padding:9px 13px;color:#8fa0ae;background:rgba(12,18,25,.72);
  backdrop-filter:blur(12px);font-size:11px;box-shadow:var(--shadow-soft)
}

/* Layout + cards */
.grid{display:grid;gap:20px}
.two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.card{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(22,30,40,.96),rgba(15,21,29,.96));
  border:1px solid rgba(255,255,255,.075);
  border-radius:24px;
  padding:27px;
  margin-bottom:20px;
  box-shadow:var(--shadow-soft);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
}
.card:hover{border-color:rgba(255,255,255,.10)}
.accent-card{
  background:
    radial-gradient(circle at 100% 0%,rgba(184,255,97,.075),transparent 34%),
    linear-gradient(180deg,rgba(22,31,39,.98),rgba(15,22,27,.98));
  border-color:rgba(184,255,97,.15)
}
.step{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:28px;height:22px;border-radius:7px;padding:0 7px;
  background:rgba(184,255,97,.09);border:1px solid rgba(184,255,97,.12);
  font-size:9px;color:var(--accent);font-weight:950;letter-spacing:.13em;margin-bottom:10px
}
h2{font-size:22px;line-height:1.15;letter-spacing:-.025em;margin:0 0 18px;font-weight:800}
h3{letter-spacing:-.015em}

/* Form controls */
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fields .wide{grid-column:1/-1}
label{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#82919e;font-weight:800;letter-spacing:.01em}
input,select,textarea{
  width:100%;
  background:rgba(8,13,18,.82);
  color:var(--text);
  border:1px solid #293540;
  border-radius:13px;
  padding:13px 13px;
  font:inherit;
  outline:none;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.015);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
input:hover,select:hover,textarea:hover{border-color:#344452}
input:focus,select:focus,textarea:focus{
  border-color:rgba(184,255,97,.52);
  background:#0a1016;
  box-shadow:0 0 0 3px rgba(184,255,97,.07)
}
textarea{margin-top:14px;resize:vertical;min-height:96px}
button{
  border:1px solid rgba(184,255,97,.2);
  border-radius:12px;padding:12px 16px;
  background:linear-gradient(180deg,#c2ff75,#aaf451);
  color:#0c120d;font-weight:900;cursor:pointer;
  box-shadow:0 8px 22px rgba(155,235,68,.09),inset 0 1px 0 rgba(255,255,255,.45);
  transition:transform .16s ease,filter .16s ease,box-shadow .16s ease,border-color .16s ease;
}
button:hover{filter:brightness(1.035);transform:translateY(-1px);box-shadow:0 12px 28px rgba(155,235,68,.13)}
button:active{transform:translateY(0)}
button.secondary{
  background:rgba(31,41,52,.78);color:#edf3f7;border:1px solid #2c3946;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.035)
}
button.secondary:hover{border-color:#3c4d5d;background:#24303c}
button.mini{padding:7px 10px;font-size:10px;border-radius:9px}
button.danger-outline{border:1px solid #71323c;color:#ffb2ba;background:#25171a}
.actions,.inline,.chatbar{display:flex;gap:11px;align-items:end;margin-top:17px}
.inline label{max-width:180px}
.status{font-size:12px;color:var(--muted);min-height:18px}

/* Improvement loop */
.loop{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:24px 0}
.loop span,.bands span{
  background:rgba(8,13,18,.7);border:1px solid rgba(184,255,97,.13);
  border-radius:999px;padding:8px 11px;color:#d8e2d3;font-size:11px;font-weight:700
}
.loop b{color:var(--accent);font-weight:900}
.bands{display:flex;flex-wrap:wrap;gap:8px}

/* Trainer – visual hero */
.trainer-card{
  margin-top:8px;
  padding:30px;
  border-color:rgba(184,255,97,.21);
  background:
    radial-gradient(circle at 0% 0%,rgba(184,255,97,.075),transparent 24%),
    radial-gradient(circle at 100% 100%,rgba(101,130,255,.055),transparent 30%),
    linear-gradient(180deg,rgba(20,29,38,.99),rgba(13,19,26,.99));
  box-shadow:0 28px 70px rgba(0,0,0,.28),0 0 0 1px rgba(184,255,97,.025) inset;
}
.trainer-card:after{
  content:"";position:absolute;inset:auto 7% 0 7%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,255,97,.3),transparent)
}
.trainer-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.trainer-head h2{font-size:25px;margin-bottom:7px}
.diagnosis-note{margin:-3px 0 14px;color:#8594a1;font-size:11px;line-height:1.5}
.trainer-stats{
  background:linear-gradient(180deg,rgba(8,14,19,.88),rgba(9,14,20,.76));
  border:1px solid #263440;border-radius:14px;padding:12px 14px;
  color:#8d9ba7;font-size:11px;margin:11px 0 20px
}
.trainer-stats strong{color:#dfe9ef}
.trainer-empty{color:var(--muted);padding:18px 0}
.trainer-layout{display:grid;grid-template-columns:minmax(390px,510px) minmax(0,1fr);gap:34px;align-items:start}
.board-column{width:100%}
.board-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 10px}
.board-label{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#72828f;font-weight:950}
.trainer-board{width:100%;max-width:510px}
.chessboard-shell{
  position:relative;width:100%;aspect-ratio:1;border-radius:16px;overflow:hidden;
  background:#262421;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 30px 65px rgba(0,0,0,.40),0 0 0 7px rgba(0,0,0,.10);
}
.chessboard-shell:after{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:16px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.025)
}
.chessboard-shell .cm-chessboard{width:100%;height:100%}
.chessboard-shell svg{display:block;width:100%;height:100%}
.chessboard-shell .cm-chessboard{border-radius:16px;overflow:hidden}
.cm-chessboard.green .board .square.white{fill:#e9ecd4}
.cm-chessboard.green .board .square.black{fill:#78965b}
.cm-chessboard.green.border-type-none .board .border{fill:#78965b;stroke:#78965b}
.cm-chessboard.green .coordinates .coordinate.white{fill:#769259;font-weight:900}
.cm-chessboard.green .coordinates .coordinate.black{fill:#f2f3dc;font-weight:900}
.cm-chessboard .board.input-enabled .square{cursor:pointer}
.cm-chessboard .marker-dot{fill:rgba(20,25,22,.27)}
.cm-chessboard .marker-bevel{stroke:rgba(20,25,22,.42)}

.trainer-side{padding-top:2px}
.trainer-side h3{margin:11px 0 16px;font-size:21px;line-height:1.28}
.trainer-meta{
  display:inline-flex;align-items:center;flex-wrap:wrap;
  color:#c6ff83;background:rgba(184,255,97,.07);
  border:1px solid rgba(184,255,97,.11);border-radius:999px;
  padding:7px 10px;font-size:10px;font-weight:900
}
.optional{font-weight:650;color:#62717d;font-size:9px;margin-left:6px}
.move-status{
  margin-top:15px;border:1px solid rgba(184,255,97,.16);
  background:linear-gradient(180deg,rgba(17,31,20,.86),rgba(11,21,14,.84));
  border-radius:13px;padding:12px 14px;color:#bdd0b4;font-size:11px;line-height:1.5
}
.move-status strong{color:var(--accent)}
.trainer-answer{
  margin-top:16px;
  background:linear-gradient(180deg,#0c1415,#0b1214);
  border:1px solid rgba(184,255,97,.18);
  border-radius:16px;padding:16px;line-height:1.6;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.025)
}
.trainer-line-controls{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.trainer-line-controls .next-exercise{margin-left:auto;background:linear-gradient(180deg,#c2ff75,#aaf451);color:#0d120d}
.attempt-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.grade-badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;
  font-size:10px;font-weight:950;letter-spacing:.02em
}
.grade-badge.positive{background:#153923;color:#abf3bc;border:1px solid #29603c}
.grade-badge.warning{background:#433719;color:#ffe19b;border:1px solid #6a592f}
.grade-badge.negative{background:#3e1e24;color:#ffb0b7;border:1px solid #6b3039}
.compare-lines{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:13px 0}
.compare-lines>div{background:#081016;border:1px solid #222e38;border-radius:13px;padding:12px}
.compare-lines span{display:block;color:#687985;font-size:9px;text-transform:uppercase;letter-spacing:.1em;font-weight:950;margin-bottom:7px}
.compare-lines strong{font-size:11px;line-height:1.55}
.teaching-box{margin-top:12px;border-left:3px solid var(--accent);background:#0b1310;border-radius:9px;padding:13px 14px}
.teaching-box>strong{color:var(--accent);font-size:12px}
.teaching-box p{margin:8px 0 0;font-size:11px;line-height:1.58}
.trainer-diagnosis{margin-top:8px;color:#d9e5d2}
.evidence-note{color:#71808b}
.session-complete{
  display:flex;flex-direction:column;gap:10px;align-items:flex-start;
  background:#0c1610;border:1px solid rgba(184,255,97,.16);
  border-radius:15px;padding:19px
}
.session-complete strong{font-size:18px;color:var(--accent)}
.session-complete span{color:#bccab5}

/* Games */
.games{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.games.empty{display:block;color:var(--muted)}
.game{
  position:relative;background:linear-gradient(180deg,#0d141b,#0b1117);
  border:1px solid #25313c;padding:14px;border-radius:15px;cursor:pointer;
  transition:transform .16s ease,border-color .16s ease,background .16s ease
}
.game:hover{border-color:rgba(184,255,97,.34);transform:translateY(-2px);background:#101820}
.game strong{display:block;margin-bottom:4px;font-size:12px}
.game small{color:#7f909e;font-size:10px}
.game small b{font-size:10px}
.outcome{font-weight:900}.outcome.win{color:#a8f2b8}.outcome.loss{color:#ffabb2}.outcome.draw{color:#d7d7d7}
.game-list-actions{display:flex;justify-content:center;margin:-4px 0 16px}.game-list-actions button{min-width:180px}

/* Reports */
.memory{font-size:11px;color:var(--muted);margin:-8px 0 10px}
.weak{padding:13px 0;border-bottom:1px solid var(--line-soft)}
.weak:last-child{border-bottom:0}
.weak-top{display:flex;justify-content:space-between;gap:10px}
.weak-top strong{font-size:12px}
.meter{height:6px;border-radius:99px;background:#091016;overflow:hidden;margin-top:9px}
.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--accent-strong),#c8ff87);box-shadow:0 0 15px rgba(184,255,97,.12)}
.weak-reason,.moment-reason{margin-top:7px;color:#74838f;font-size:10px;line-height:1.45}
.trend,.confidence{
  display:inline-block;margin-left:6px;padding:3px 7px;border-radius:999px;font-size:9px;font-style:normal;text-transform:capitalize
}
.trend.new,.confidence.emerging{background:#243042;color:#b9d8ff}
.trend.improving,.confidence.recurring{background:#1a3724;color:#a8f2b8}
.trend.steady,.confidence.single-game{background:#302d1c;color:#f2dfa8}
.trend.worsening{background:#3f1f25;color:#ffabb2}
.confidence.provisional{background:#372b1b;color:#ffd79a}
.plan-basis{padding:10px 12px;border:1px solid rgba(184,255,97,.14);background:#0c1510;border-radius:12px;color:#b9ccb1;font-size:11px}
.day{position:relative;border-left:2px solid var(--accent-strong);padding:5px 0 13px 14px;margin-bottom:9px}
.day strong{color:var(--accent);font-size:11px}
.day small{color:#72818c}
.critical-layout{display:grid;grid-template-columns:1fr 350px;gap:20px}
.moment{
  display:grid;grid-template-columns:70px 1fr 100px 80px auto;
  gap:10px;padding:12px 0;border-bottom:1px solid var(--line-soft);align-items:center
}
.pill{display:inline-block;padding:5px 8px;border-radius:999px;background:#242b33;color:#cfd7de;font-size:10px}
.pill.blunder{background:#3f1f25;color:#ff9ea6}.pill.mistake{background:#443819;color:#ffe09a}
.position{background:#0b1117;border:1px solid #24303a;border-radius:17px;padding:14px;height:max-content;position:sticky;top:10px}
.position p{font-size:11px;color:var(--muted)}
.review-board{max-width:350px}
.coach{border-color:rgba(184,255,97,.14)}
.coach-answer{background:#0b1117;border:1px solid #26323c;border-radius:15px;padding:16px;color:#d6e1e9;white-space:pre-wrap;min-height:72px}
.chatbar input{flex:1}
summary{cursor:pointer;color:var(--accent);font-weight:850;font-size:11px}
.hidden{display:none!important}

/* Progress */
.baseline-progress{margin-top:10px;display:grid;grid-template-columns:120px 1fr;gap:10px;align-items:center}
.baseline-bar{height:6px;background:#091016;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.baseline-bar i{display:block;width:0;height:100%;background:linear-gradient(90deg,var(--accent-strong),#c8ff86);transition:width .35s ease}
.baseline-progress span{font-size:10px;color:var(--muted)}

/* Footer */
.credits{margin:30px 0 0;text-align:center;color:#55636f;font-size:9px;line-height:1.6}

/* Motion */
@keyframes softIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
.trainer-answer:not(.hidden),.session-complete{animation:softIn .25s ease both}

/* Responsive */
@media(max-width:980px){
  .two,.fields,.critical-layout{grid-template-columns:1fr}
  .hero{grid-template-columns:auto 1fr}
  .health{grid-column:1/-1;justify-self:start}
  .trainer-layout{grid-template-columns:1fr}
  .trainer-head{flex-direction:column}
  .trainer-board{max-width:560px}
  .games{grid-template-columns:1fr 1fr}
  .position{position:static;max-width:430px}
  .moment{grid-template-columns:70px 1fr auto}
  .moment .hide-mobile{display:none}
}
@media(max-width:700px){
  main{padding:30px 16px 60px}
  .hero{gap:14px}
  .mark{width:62px;height:62px;border-radius:18px}.mark span{font-size:38px}
  h1{font-size:36px}
  .sub{font-size:13px}
  .card,.trainer-card{padding:20px;border-radius:19px}
  .games{grid-template-columns:1fr}
  .compare-lines{grid-template-columns:1fr}
  .trainer-line-controls .next-exercise{margin-left:0}
  .attempt-head{align-items:flex-start;flex-direction:column}
  .baseline-progress{grid-template-columns:1fr}
  .actions{flex-wrap:wrap}
  .hero-points span:nth-child(3){display:none}
}

.section-intro{margin:-7px 0 17px;color:#82919e;font-size:11px;line-height:1.55;max-width:94%}
.accent-card>p{color:#98a7b3;font-size:12px;line-height:1.65}

.adapt-grid{display:grid;grid-template-columns:1fr;gap:9px;margin-top:22px}
.adapt-grid>div{
  display:grid;grid-template-columns:34px minmax(0,1fr);column-gap:10px;row-gap:2px;
  padding:11px 12px;border-radius:13px;background:rgba(8,13,18,.46);
  border:1px solid rgba(255,255,255,.045)
}
.adapt-grid b{
  grid-row:1/3;display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:9px;background:rgba(184,255,97,.08);
  color:var(--accent);font-size:9px;letter-spacing:.08em
}
.adapt-grid strong{font-size:11px;color:#dce5ea}
.adapt-grid span{font-size:9px;color:#74838f;line-height:1.45}
.trainer-empty{
  display:flex;align-items:center;gap:14px;padding:17px 18px;
  border:1px dashed rgba(255,255,255,.085);border-radius:15px;
  background:rgba(8,13,18,.35)
}
.trainer-empty .empty-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;background:rgba(184,255,97,.08);
  color:var(--accent);font-size:24px;border:1px solid rgba(184,255,97,.11)
}
.trainer-empty div{display:flex;flex-direction:column;gap:4px}
.trainer-empty strong{font-size:11px;color:#dce6eb}
.trainer-empty div span{font-size:9px;color:#71808c;line-height:1.45}
.games.empty{
  display:flex;flex-direction:column;gap:5px;
  padding:17px 18px;border-radius:14px;
  background:rgba(8,13,18,.34);border:1px dashed rgba(255,255,255,.075)
}
.games.empty .library-empty-title{font-size:11px;font-weight:800;color:#d8e2e8}
.games.empty span:not(.library-empty-title){font-size:9px;color:#71808c}

body{overflow-x:hidden}
.hero-copy,.card,.grid>*{min-width:0}
@media(max-width:700px){
  main{padding:26px 14px 56px}
  .hero{grid-template-columns:54px minmax(0,1fr);gap:12px;padding-top:4px}
  .mark{width:54px;height:54px;border-radius:16px}.mark span{font-size:33px}
  h1{font-size:30px;line-height:1.02}
  .hero-kicker{gap:6px;margin-top:0}
  .product-pill,.demo-pill{font-size:8px;padding:5px 7px}
  .sub{font-size:12px;line-height:1.55}
  .hero-points{gap:7px;margin-top:13px}
  .hero-points span{font-size:9px;padding:6px 9px 6px 20px}
  .hero-points span:before{left:8px;width:5px;height:5px}
  .health{font-size:9px;padding:8px 10px}
  .card,.trainer-card{padding:19px;border-radius:18px}
  .fields{grid-template-columns:1fr}
  .fields .wide{grid-column:auto}
  .actions{align-items:stretch}
  .actions button{flex:1 1 auto}
}

main{width:100%}
input,select,textarea,button{max-width:100%;min-width:0}
@media(max-width:700px){
  .hero{grid-template-columns:1fr;gap:12px}
  .mark{margin-bottom:2px}
  .hero-copy{width:100%;overflow:hidden}
  .health{grid-column:1;max-width:100%}
  .actions{flex-direction:column;align-items:stretch}
  .actions button{width:100%;flex:none}
  .inline{flex-direction:column;align-items:stretch}
  .inline label{max-width:none}
  .chatbar{flex-direction:column;align-items:stretch}
  .trainer-head button{width:100%}
}

/* ===== V11: diagnosis-first marketing surface + Personal Training Lab ===== */
.diagnosis-hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.65fr) minmax(260px,.75fr);
  gap:22px;
  margin:10px 0 22px;
  padding:34px;
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(184,255,97,.19);
  background:
    radial-gradient(circle at 15% 5%,rgba(184,255,97,.13),transparent 34%),
    radial-gradient(circle at 90% 100%,rgba(91,121,255,.10),transparent 34%),
    linear-gradient(135deg,#141e24 0%,#0d141b 54%,#101720 100%);
  box-shadow:0 30px 90px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.04);
}
.diagnosis-hero:before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:linear-gradient(120deg,rgba(255,255,255,.026),transparent 28%,transparent 72%,rgba(184,255,97,.025));
}
.diagnosis-main,.diagnosis-cta{position:relative;z-index:1}
.diagnosis-kicker{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:14px}
.diagnosis-kicker>span:first-child{
  color:var(--accent);font-size:9px;font-weight:950;letter-spacing:.16em
}
.diagnosis-confidence{
  display:inline-flex;padding:5px 8px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.065);
  color:#9cabb6!important;font-size:9px!important;letter-spacing:0!important;font-weight:800!important
}
.diagnosis-main h2{
  max-width:720px;
  margin:0;
  font-size:36px;
  line-height:1.08;
  letter-spacing:-.045em;
  font-weight:760;
  color:#edf3f6
}
.diagnosis-main h2>span{color:#aebbc5}
.diagnosis-main h2 strong{
  color:var(--accent);
  font-weight:900;
  text-shadow:0 0 25px rgba(184,255,97,.08)
}
.diagnosis-main>p{
  max-width:760px;
  margin:14px 0 20px;
  color:#93a2ae;
  font-size:12px;
  line-height:1.6
}
.diagnosis-metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:9px
}
.diagnosis-metrics>div{
  display:flex;flex-direction:column;gap:4px;
  padding:12px 13px;
  border-radius:13px;
  background:rgba(6,11,15,.48);
  border:1px solid rgba(255,255,255,.055)
}
.diagnosis-metrics span{
  color:#6d7d89;
  font-size:8px;
  font-weight:900;
  letter-spacing:.1em;
  text-transform:uppercase
}
.diagnosis-metrics strong{
  color:#f0f5f7;
  font-size:15px;
  letter-spacing:-.02em
}
.diagnosis-cta{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  min-height:220px;
  padding:24px;
  border-radius:20px;
  border:1px solid rgba(184,255,97,.13);
  background:
    radial-gradient(circle at 100% 0%,rgba(184,255,97,.09),transparent 43%),
    linear-gradient(180deg,rgba(8,14,17,.82),rgba(7,12,16,.94));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.025)
}
.diagnosis-label{
  color:#6f8178;
  font-size:8px;
  font-weight:950;
  letter-spacing:.15em
}
.diagnosis-cta>strong{
  margin-top:8px;
  color:#f1f6f2;
  font-size:24px;
  line-height:1.12;
  letter-spacing:-.035em
}
.diagnosis-cta p{
  margin:10px 0 17px;
  color:#81918d;
  font-size:10px;
  line-height:1.55
}
.diagnosis-cta button{width:100%}

/* Personal Training Lab modes */
.lab-modes{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:9px;
  margin:18px 0 12px
}
.lab-mode{
  position:relative;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  text-align:left;
  min-height:76px;
  padding:12px 12px;
  border-radius:15px;
  border:1px solid #26333e;
  background:linear-gradient(180deg,rgba(15,23,30,.88),rgba(9,15,21,.88));
  color:#dce5ea;
  box-shadow:none
}
.lab-mode:hover{
  transform:translateY(-2px);
  border-color:#3a4a56;
  background:linear-gradient(180deg,#131e26,#0c141b);
  box-shadow:0 10px 24px rgba(0,0,0,.16)
}
.lab-mode.active{
  border-color:rgba(184,255,97,.38);
  background:
    radial-gradient(circle at 0% 0%,rgba(184,255,97,.12),transparent 54%),
    linear-gradient(180deg,#17241e,#0d1714);
  box-shadow:0 0 0 1px rgba(184,255,97,.035) inset,0 12px 30px rgba(0,0,0,.17)
}
.lab-icon{
  display:grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  color:#aebbc5;
  background:#111a21;
  border:1px solid #26333c;
  font-size:16px;
  font-weight:900
}
.lab-mode.active .lab-icon{
  color:#0d130d;
  background:var(--accent);
  border-color:var(--accent);
  box-shadow:0 0 22px rgba(184,255,97,.12)
}
.lab-mode>span:nth-child(2){
  display:flex;flex-direction:column;gap:3px;min-width:0
}
.lab-mode strong{color:#eef3f5;font-size:10px;white-space:nowrap}
.lab-mode small{
  display:block;
  color:#71808c;
  font-size:8px;
  line-height:1.35;
  font-weight:650
}
.lab-mode b{
  display:flex;align-items:center;justify-content:center;
  min-width:24px;height:24px;padding:0 6px;
  border-radius:999px;
  color:#8796a2;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.055);
  font-size:9px
}
.lab-mode.active b{
  color:#cfff99;
  background:rgba(184,255,97,.09);
  border-color:rgba(184,255,97,.15)
}
.lab-context{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:10px;
  padding:11px 13px;
  border-radius:13px;
  background:rgba(6,11,15,.42);
  border:1px solid rgba(255,255,255,.045)
}
.lab-context>div{display:flex;flex-direction:column;gap:3px}
.lab-context>div>span{
  color:var(--accent);
  font-size:9px;
  font-weight:950;
  letter-spacing:.06em;
  text-transform:uppercase
}
.lab-context>div>strong{
  color:#aab8c2;
  font-size:10px;
  font-weight:650;
  line-height:1.45
}
.lab-weakness-picker{
  flex:0 0 210px;
  gap:4px;
  color:#70808c;
  font-size:8px
}
.lab-weakness-picker select{padding:8px 10px;font-size:10px}

/* Make the actual learning surface feel like the product */
.trainer-card{
  border-color:rgba(184,255,97,.24);
  box-shadow:0 36px 100px rgba(0,0,0,.33),0 0 0 1px rgba(184,255,97,.022) inset
}
.trainer-head h2{font-size:28px;letter-spacing:-.035em}
.trainer-head .diagnosis-note{font-size:11px;color:#8d9ba7}
#trainerExercise{
  margin-top:19px;
  padding-top:4px
}

/* Returning users: diagnosis visually leads into training */
body.has-diagnosis #trainerSection{margin-top:0}

/* responsive */
@media(max-width:1050px){
  .diagnosis-hero{grid-template-columns:1fr}
  .diagnosis-cta{min-height:auto}
  .lab-modes{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .diagnosis-hero{padding:20px;border-radius:20px;gap:15px}
  .diagnosis-main h2{font-size:28px}
  .diagnosis-metrics{grid-template-columns:1fr 1fr}
  .diagnosis-cta{padding:18px}
  .diagnosis-cta>strong{font-size:21px}
  .lab-modes{grid-template-columns:1fr}
  .lab-mode{min-height:68px}
  .lab-context{align-items:stretch;flex-direction:column}
  .lab-weakness-picker{flex:auto;width:100%}
}

/* ===== V12: client readability pass ===== */
.product-pill,.demo-pill{font-size:11px}
.hero-points span{font-size:13px}
.health{font-size:12px}
.step{font-size:11px}
label{font-size:13px}
button.mini{font-size:12px}
.status{font-size:14px}
.loop span,.bands span{font-size:13px}
.diagnosis-note,.trainer-head .diagnosis-note{font-size:14px}
.trainer-stats{font-size:13px;line-height:1.5}
.board-label{font-size:11px}
.trainer-meta{font-size:12px}
.optional{font-size:11px}
.move-status{font-size:14px}
.grade-badge{font-size:12px}
.compare-lines span{font-size:11px}
.compare-lines strong{font-size:13px}
.teaching-box>strong{font-size:14px}
.teaching-box p{font-size:13px}
.game strong{font-size:14px}
.game small,.game small b{font-size:12px}
.memory{font-size:13px}
.weak-top strong{font-size:14px}
.weak-reason,.moment-reason{font-size:12px;line-height:1.55}
.trend,.confidence{font-size:11px}
.plan-basis{font-size:13px;line-height:1.5}
.day strong{font-size:13px}
.day small{font-size:12px;line-height:1.45}
.pill{font-size:12px}
.position p{font-size:13px;line-height:1.5}
summary{font-size:13px}
.baseline-progress span{font-size:12px}
.credits{font-size:11px}
.section-intro{font-size:14px;line-height:1.65}
.accent-card>p{font-size:14px}
.adapt-grid b{font-size:11px}
.adapt-grid strong{font-size:13px}
.adapt-grid span{font-size:11px;line-height:1.55}
.trainer-empty strong{font-size:13px}
.trainer-empty div span{font-size:11px;line-height:1.55}
.games.empty .library-empty-title{font-size:13px}
.games.empty span:not(.library-empty-title){font-size:11px}
.diagnosis-kicker>span:first-child{font-size:11px}
.diagnosis-confidence{font-size:11px!important}
.diagnosis-main>p{font-size:14px;line-height:1.65}
.diagnosis-metrics span{font-size:10px}
.diagnosis-metrics strong{font-size:17px}
.diagnosis-label{font-size:10px}
.diagnosis-cta p{font-size:13px;line-height:1.6}
.lab-mode strong{font-size:13px}
.lab-mode small{font-size:11px;line-height:1.45}
.lab-mode b{font-size:11px}
.lab-context>div>span{font-size:11px}
.lab-context>div>strong{font-size:13px;line-height:1.5}
.lab-weakness-picker{font-size:10px}
.lab-weakness-picker select{font-size:12px}
@media(max-width:700px){
  .product-pill,.demo-pill{font-size:10px}
  .sub{font-size:14px}
  .hero-points span{font-size:11px}
  .health{font-size:11px}
  .diagnosis-main>p{font-size:13px}
  .lab-mode strong{font-size:13px}
  .lab-mode small{font-size:11px}
}

/* ===== V12: client readability pass ===== */
body{font-size:16px}
.sub{font-size:17px}
.product-pill,.demo-pill{font-size:11px}
.hero-points span{font-size:13px}
.health{font-size:12px}
.step{font-size:11px}
label{font-size:14px}
input,select,textarea{font-size:15px}
button{font-size:15px}
button.mini{font-size:13px}
.status{font-size:14px}
.loop span,.bands span{font-size:13px}
.section-intro{font-size:15px;line-height:1.6}
.accent-card>p{font-size:15px}
.diagnosis-note{font-size:14px!important}
.trainer-stats{font-size:14px}
.board-label{font-size:12px}
.trainer-meta{font-size:13px}
.optional{font-size:11px}
.move-status{font-size:14px}
.grade-badge{font-size:13px}
.compare-lines span{font-size:11px}
.compare-lines strong{font-size:14px}
.teaching-box>strong{font-size:15px}
.teaching-box p{font-size:14px}
.game strong{font-size:15px}
.game small,.game small b{font-size:13px}
.memory{font-size:14px}
.weak-top strong{font-size:15px}
.weak-reason,.moment-reason{font-size:13px}
.trend,.confidence{font-size:11px}
.plan-basis{font-size:14px}
.day strong{font-size:14px}
.pill{font-size:13px}
.position p{font-size:14px}
summary{font-size:14px}
.baseline-progress span{font-size:13px}
.credits{font-size:11px}
.adapt-grid b{font-size:11px}
.adapt-grid strong{font-size:14px}
.adapt-grid span{font-size:12px}
.trainer-empty strong{font-size:14px}
.trainer-empty div span{font-size:12px}
.games.empty .library-empty-title{font-size:14px}
.games.empty span:not(.library-empty-title){font-size:12px}
.diagnosis-kicker>span:first-child{font-size:11px}
.diagnosis-confidence{font-size:11px!important}
.diagnosis-main>p{font-size:15px}
.diagnosis-metrics span{font-size:10px}
.diagnosis-metrics strong{font-size:18px}
.diagnosis-label{font-size:10px}
.diagnosis-cta p{font-size:14px}
.lab-mode strong{font-size:13px}
.lab-mode small{font-size:11px}
.lab-mode b{font-size:11px}
.lab-context>div>span{font-size:11px}
.lab-context>div>strong{font-size:13px}
.lab-weakness-picker{font-size:11px}
.lab-weakness-picker select{font-size:13px}

@media(max-width:700px){
  .sub{font-size:14px}
  .product-pill,.demo-pill{font-size:9px}
  .hero-points span{font-size:10px}
  .health{font-size:10px}
  label{font-size:13px}
  input,select,textarea,button{font-size:14px}
  .section-intro,.accent-card>p{font-size:13px}
  .diagnosis-note{font-size:13px!important}
  .trainer-stats{font-size:13px}
  .lab-mode strong{font-size:13px}
  .lab-mode small{font-size:11px}
  .lab-context>div>strong{font-size:12px}
}


/* ===== V13: daily coach + living diagnosis + mastery system ===== */
.today-card{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(360px,.65fr);gap:22px;align-items:center;margin:4px 0 22px;padding:28px 30px;border-radius:24px;border:1px solid rgba(184,255,97,.2);background:radial-gradient(circle at 0% 0%,rgba(184,255,97,.11),transparent 34%),linear-gradient(135deg,rgba(20,31,33,.98),rgba(12,18,25,.98));box-shadow:var(--shadow-soft)}
.today-copy{display:flex;flex-direction:column;align-items:flex-start}
.today-kicker{font-size:10px;font-weight:950;letter-spacing:.16em;color:var(--accent);margin-bottom:8px}
.today-copy h2{font-size:30px;margin:0 0 9px;letter-spacing:-.04em}
.today-copy h2 span{color:var(--accent)}
.today-copy p{max-width:680px;color:#9aa8b2;line-height:1.6;margin:0 0 15px}
.today-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.today-stats>div{padding:15px 13px;border-radius:14px;background:rgba(6,11,15,.56);border:1px solid rgba(255,255,255,.06)}
.today-stats span{display:block;color:#71808b;font-size:9px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;margin-bottom:6px}
.today-stats strong{display:block;color:#eef5f1;font-size:14px;line-height:1.25}
.mastery-section{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:20px;margin-bottom:0}
.mastery-card,.thinking-card{margin-bottom:20px}
.mastery-map{display:flex;flex-direction:column;gap:13px}
.mastery-row{padding:13px 14px;border-radius:14px;background:rgba(8,13,18,.46);border:1px solid rgba(255,255,255,.05)}
.mastery-title,.mastery-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mastery-title strong{font-size:14px}
.mastery-status{padding:4px 8px;border-radius:999px;font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.mastery-status.detected{color:#ffd995;background:#382d1d}.mastery-status.training{color:#bdd6ff;background:#1d2b3b}.mastery-status.verified{color:#aef4bd;background:#173622}
.mastery-track{height:7px;border-radius:99px;background:#091016;overflow:hidden;margin:10px 0 7px}
.mastery-track i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent-strong),#c8ff87);transition:width .3s ease}
.mastery-meta{color:#71808c;font-size:11px}
.thinking-profile{display:flex;flex-direction:column;gap:9px;color:#788995}
.thinking-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border-radius:12px;background:rgba(8,13,18,.45);border:1px solid rgba(255,255,255,.05)}
.thinking-row span{display:flex;align-items:center;gap:9px;color:#cbd6dc;font-size:12px}
.thinking-row b{display:grid;place-items:center;width:23px;height:23px;border-radius:7px;background:rgba(184,255,97,.08);color:var(--accent);font-size:9px}
.thinking-row strong{color:var(--accent);font-size:13px}
.thinking-error-label{margin-top:13px}
.thinking-error-label select{margin-top:0}
.learning-loop{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}
.learning-loop span{padding:6px 8px;border-radius:999px;background:#111a21;border:1px solid #27343e;color:#71808b;font-size:10px;font-weight:800}
.learning-loop span.done{color:#bff78a;border-color:rgba(184,255,97,.18);background:rgba(184,255,97,.07)}
@media(max-width:980px){.today-card,.mastery-section{grid-template-columns:1fr}.today-stats{max-width:620px}}
@media(max-width:700px){.today-card{padding:20px;border-radius:19px}.today-copy h2{font-size:24px}.today-stats{grid-template-columns:1fr}.mastery-meta{align-items:flex-start;flex-direction:column;gap:3px}}


/* ===== V14: premium learning command center ===== */
:root{
  --panel-glass:rgba(15,22,30,.82);
  --panel-glass-strong:rgba(17,25,34,.94);
  --glow:0 0 0 1px rgba(184,255,97,.035),0 24px 70px rgba(0,0,0,.30);
}
body{
  background:
    radial-gradient(circle at 12% -6%,rgba(184,255,97,.15),transparent 28%),
    radial-gradient(circle at 88% 4%,rgba(102,132,255,.11),transparent 26%),
    radial-gradient(circle at 50% 55%,rgba(52,75,98,.08),transparent 36%),
    linear-gradient(180deg,#090d12 0%,#080c10 46%,#070a0e 100%);
}
main{max-width:1320px}
.hero{margin-bottom:18px;padding-bottom:12px}
.hero h1{font-size:52px}
.hero .sub{font-size:16px;max-width:790px}
.health{border-color:rgba(184,255,97,.12);box-shadow:0 10px 34px rgba(0,0,0,.22)}

.product-nav{
  position:sticky;
  top:12px;
  z-index:30;
  display:flex;
  gap:8px;
  width:max-content;
  max-width:100%;
  overflow-x:auto;
  padding:7px;
  margin:0 auto 24px;
  border:1px solid rgba(255,255,255,.075);
  border-radius:16px;
  background:rgba(8,12,17,.78);
  backdrop-filter:blur(18px);
  box-shadow:0 18px 44px rgba(0,0,0,.26);
  scrollbar-width:none;
}
.product-nav::-webkit-scrollbar{display:none}
.nav-chip{
  white-space:nowrap;
  padding:9px 13px;
  border-radius:11px;
  border:1px solid transparent;
  color:#8fa0ad;
  background:transparent;
  box-shadow:none;
  font-size:10px;
  letter-spacing:.02em;
}
.nav-chip:hover{transform:none;background:rgba(255,255,255,.035);box-shadow:none;color:#dce7ed}
.nav-chip.active{
  color:#0b120c;
  border-color:rgba(184,255,97,.28);
  background:linear-gradient(180deg,#c7ff83,#aaf451);
  box-shadow:0 6px 18px rgba(169,244,81,.11);
}

.today-card{
  position:relative;
  overflow:hidden;
  grid-template-columns:minmax(0,1.5fr) minmax(330px,.58fr);
  padding:32px;
  background:
    radial-gradient(circle at 0% 0%,rgba(184,255,97,.16),transparent 31%),
    radial-gradient(circle at 100% 100%,rgba(101,130,255,.10),transparent 33%),
    linear-gradient(135deg,rgba(21,32,36,.99),rgba(11,17,24,.99));
  box-shadow:0 34px 95px rgba(0,0,0,.36),inset 0 1px 0 rgba(255,255,255,.045);
}
.today-card:after{
  content:"";
  position:absolute;
  inset:auto 8% 0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,255,97,.38),transparent);
}
.today-copy,.today-stats{position:relative;z-index:1}
.today-copy h2{font-size:34px}
.today-plan{
  width:100%;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px;
  margin:4px 0 16px;
}
.today-step{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  text-align:left;
  padding:11px 12px;
  min-height:60px;
  color:#e8f0f4;
  background:rgba(7,12,16,.48);
  border:1px solid rgba(255,255,255,.06);
  box-shadow:none;
}
.today-step:hover{
  transform:translateY(-1px);
  background:rgba(11,18,23,.78);
  border-color:rgba(184,255,97,.18);
  box-shadow:0 12px 26px rgba(0,0,0,.18);
}
.today-step-index{
  width:27px;height:27px;border-radius:9px;
  display:grid;place-items:center;
  color:var(--accent);font-size:9px;font-weight:950;
  background:rgba(184,255,97,.08);
  border:1px solid rgba(184,255,97,.10);
}
.today-step>span:nth-child(2){display:flex;flex-direction:column;gap:3px}
.today-step strong{font-size:11px;color:#eef5f7}
.today-step small{font-size:9px;color:#71808b}
.today-step b{color:var(--accent)}
.today-plan-empty{font-size:10px;color:#74828d}
.today-stats>div{
  min-height:76px;
  display:flex;flex-direction:column;justify-content:center;
  background:rgba(5,10,14,.52);
}
.today-stats strong{font-size:16px}

.learning-dashboard{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(300px,.65fr);
  gap:20px;
  align-items:start;
}
.skill-atlas-card{grid-row:span 2}
.learning-dashboard>.card{height:100%;margin-bottom:0}
.section-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.section-heading h2{margin:6px 0 10px;font-size:26px}
.eyebrow{
  display:inline-block;
  color:var(--accent);
  font-size:9px;font-weight:950;
  letter-spacing:.15em;
}
.evidence-badge{
  padding:6px 9px;border-radius:999px;
  color:#a7b7c2;background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.06);
  font-size:9px;font-weight:800;white-space:nowrap;
}
.skill-atlas{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.skill-group{
  position:relative;
  padding:14px;
  border-radius:15px;
  background:linear-gradient(180deg,rgba(8,14,19,.77),rgba(8,13,18,.55));
  border:1px solid rgba(255,255,255,.055);
  overflow:hidden;
}
.skill-group.attention{border-color:rgba(255,208,111,.12)}
.skill-group.verified{border-color:rgba(145,239,168,.15)}
.skill-group-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.skill-group-head>div{display:flex;flex-direction:column;gap:3px}
.skill-group-head strong{font-size:12px;color:#e9f0f4}
.skill-group-head span{font-size:9px;color:#71818d}
.skill-group-head>b{font-size:17px;color:#dce6eb}
.skill-group.attention .skill-group-head>b{color:var(--warn)}
.skill-group.verified .skill-group-head>b{color:var(--success)}
.skill-group-bar{height:5px;border-radius:999px;background:#080e13;margin:11px 0 9px;overflow:hidden}
.skill-group-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#668296,var(--accent))}
.skill-group.quiet .skill-group-bar i{background:#33414c}
.skill-group.attention .skill-group-bar i{background:linear-gradient(90deg,#8d7040,var(--warn))}
.skill-group.verified .skill-group-bar i{background:linear-gradient(90deg,#4b8f60,var(--success))}
.skill-subskills{display:flex;gap:5px;flex-wrap:wrap}
.skill-pill{
  padding:4px 7px;border-radius:999px;
  font-size:8px;font-weight:800;
  color:#93a4af;background:#111a21;border:1px solid #26343f;
}
.skill-pill.practicing{color:#c8dcff;border-color:#314762;background:#132033}
.skill-pill.tested{color:#ffe0a0;border-color:#604f2f;background:#2c2618}
.skill-pill.verified{color:#b6f1c3;border-color:#315f3d;background:#142c1b}
.skill-pill.quiet{color:#62717c}

.lesson-card,.opening-lab-card{
  background:
    radial-gradient(circle at 100% 0%,rgba(184,255,97,.055),transparent 35%),
    linear-gradient(180deg,rgba(18,26,35,.97),rgba(12,18,25,.98));
}
.lesson-card h2,.opening-lab-card h2{font-size:22px;margin:7px 0 12px}
.lesson-principle{
  padding:14px;
  border-radius:13px;
  background:rgba(184,255,97,.055);
  border:1px solid rgba(184,255,97,.11);
  color:#dce8d7;
  font-size:12px;
  line-height:1.62;
}
.lesson-checklist{display:flex;flex-direction:column;gap:7px;margin:13px 0}
.lesson-check{
  display:grid;grid-template-columns:28px 1fr;gap:9px;align-items:center;
  padding:9px 10px;border-radius:11px;
  background:rgba(7,12,17,.45);border:1px solid rgba(255,255,255,.045)
}
.lesson-check span{font-size:8px;color:var(--accent);font-weight:950}
.lesson-check strong{font-size:10px;color:#d7e0e5}
.lesson-trap{padding:11px 12px;border-left:2px solid var(--warn);background:rgba(255,208,111,.045);border-radius:8px;margin:12px 0 14px}
.lesson-trap span{font-size:8px;font-weight:950;letter-spacing:.12em;color:var(--warn)}
.lesson-trap p{margin:5px 0 0;font-size:10px;line-height:1.5;color:#a8a69a}

.opening-leaks{display:flex;flex-direction:column;gap:8px}
.opening-leak{
  display:grid;
  grid-template-columns:30px minmax(0,1fr) auto;
  gap:10px;
  align-items:center;
  padding:10px 11px;
  border-radius:12px;
  background:rgba(7,12,17,.46);
  border:1px solid rgba(255,255,255,.05);
}
.opening-rank{font-size:9px;color:var(--accent);font-weight:950}
.opening-leak>div:nth-child(2){display:flex;flex-direction:column;gap:3px;min-width:0}
.opening-leak strong{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.opening-leak small{font-size:8px;color:#71808b;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.opening-metric{text-align:right}
.opening-metric b{display:block;color:#e7eef2;font-size:11px}
.opening-metric span{display:block;color:#6f7e89;font-size:8px;margin-top:2px}
.opening-empty{
  display:flex;flex-direction:column;gap:5px;
  padding:14px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.08);
  background:rgba(7,12,17,.35)
}
.opening-empty strong{font-size:11px;color:#d8e2e8}
.opening-empty span{font-size:9px;line-height:1.5;color:#74828d}

.mastery-status.practicing{background:#1d2b3b;color:#bdd6ff}
.mastery-status.tested{background:#3b321d;color:#ffe09a}

.card{
  backdrop-filter:blur(8px);
}
.trainer-card{
  margin-top:20px;
  border-color:rgba(184,255,97,.24);
}
.coach-answer{
  background:
    radial-gradient(circle at 0% 0%,rgba(184,255,97,.04),transparent 40%),
    #0b1117;
}

@media(max-width:1050px){
  .learning-dashboard{grid-template-columns:1fr}
  .skill-atlas-card{grid-row:auto}
}
@media(max-width:780px){
  .product-nav{top:7px;margin-left:0;margin-right:0;width:100%}
  .today-plan,.skill-atlas{grid-template-columns:1fr}
  .today-card{grid-template-columns:1fr}
  .section-heading{flex-direction:column}
  .evidence-badge{white-space:normal}
}
@media(max-width:700px){
  .hero h1{font-size:32px}
  .hero .sub{font-size:12px}
  .today-card{padding:20px}
  .today-copy h2{font-size:25px}
  .opening-leak{grid-template-columns:26px minmax(0,1fr)}
  .opening-metric{grid-column:2;text-align:left}
}


/* V14 proof-of-transfer + session flow */
.proof-card{grid-column:1/-1;margin-top:0}
.game-progress{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.progress-proof{
  display:flex;flex-direction:column;gap:7px;
  min-height:110px;
  padding:13px 14px;
  border-radius:14px;
  background:rgba(7,12,17,.48);
  border:1px solid rgba(255,255,255,.05)
}
.progress-proof>div{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.progress-proof strong{font-size:11px;color:#e3ebef}
.progress-proof span{font-size:8px;color:#6f7e89;text-transform:uppercase;letter-spacing:.06em}
.progress-proof>b{font-size:14px;color:#d7e0e5}
.progress-proof>small{margin-top:auto;color:#71808b;font-size:8px;line-height:1.5}
.progress-proof.improving{border-color:rgba(145,239,168,.16);background:linear-gradient(180deg,rgba(20,43,28,.38),rgba(7,12,17,.52))}
.progress-proof.improving>b{color:var(--success)}
.progress-proof.worsening{border-color:rgba(255,114,124,.14);background:linear-gradient(180deg,rgba(55,25,30,.30),rgba(7,12,17,.52))}
.progress-proof.worsening>b{color:#ff9ea6}
.progress-proof.steady>b{color:var(--warn)}
.session-complete-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:980px){.game-progress{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.game-progress{grid-template-columns:1fr}}