:root{font-family:Arial,sans-serif;font-weight:700;color:#fff;background:#008000;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible{outline:4px solid #ffe480;outline-offset:5px}header,footer{max-width:1440px;margin:auto;padding:24px 5%;display:flex;align-items:center;justify-content:space-between;gap:16px}header{border-bottom:1px solid #ffffff50}.brand{display:flex;align-items:center;gap:16px;color:#fff;text-decoration:none;font-size:28px}.brand img{width:82px;height:82px;object-fit:contain;border-radius:50%}.brand-sub{display:block;font-size:14px;letter-spacing:2px;margin-top:5px}.tag,.eyebrow{font-size:14px;letter-spacing:2px}.tag{border:1px solid #ffffff88;border-radius:30px;padding:10px 16px}main{max-width:1440px;margin:auto;padding:52px 5% 64px;min-height:70vh}h1{font-size:clamp(32px,4vw,56px);line-height:1.06;margin:16px 0 22px;letter-spacing:-1px}h2{font-size:28px;line-height:1.15}p{line-height:1.55}.lead{font-size:20px;max-width:780px;margin-bottom:32px}.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.module{background:transparent;color:#fff;border:2px solid #ffffff9c;border-radius:16px;padding:28px;text-align:left;display:flex;flex-direction:column;min-height:300px}.module:hover{background:#ffffff12;border-color:#fff}.module p{font-size:18px;margin:0 0 30px}.number{font-size:18px;border-bottom:1px solid #ffffff55;padding-bottom:18px}.module-foot{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin-top:auto}.source-note{margin-top:28px;font-size:16px}footer{border-top:1px solid #ffffff50;font-size:14px}footer button,.back{background:transparent;border:0;color:#fff;text-decoration:underline;padding:10px 0}.toolbar{display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}.primary,.secondary,.answer,.level{border:2px solid #fff;border-radius:10px;padding:16px 22px;background:#fff;color:#005d35;font-size:20px}.secondary,.level{background:transparent;color:#fff}.primary:hover,.answer:hover{background:#e6f2ea}.level[aria-pressed=true]{background:#fff;color:#005d35}.levels{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0 30px}.intro{max-width:920px;font-size:20px}.intro-panel{border-left:4px solid #fff;padding:4px 24px;margin:26px 0}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.hand{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:26px 0}.suit-row{min-width:0}.suit-label{font-size:22px;margin-bottom:12px}.cards{display:flex;flex-wrap:wrap;gap:6px}.card{position:relative;width:70px;aspect-ratio:2/3;border-radius:7px;background:#fff;color:#141414;overflow:hidden;border:1px solid #ddd;flex-shrink:0}.card.red{color:#c4222a}.card img{width:100%;height:100%;object-fit:contain;display:block}.card .simple{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;font-size:26px;line-height:1.2}.card .simple span{font-size:38px}.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:1000px}.answer{text-align:left;min-height:70px;display:flex;align-items:center;gap:18px}.answer small{font-size:14px;border:1px solid currentColor;padding:5px 8px;border-radius:5px}.answer:disabled{cursor:default;opacity:1}.answer.wrong{background:#ffe3e1;color:#8e1b15;border-color:#ffbdb7}.answer.correct{background:#e8ffbf;color:#194500;border-color:#c7f67d}.feedback{font-size:20px;padding:20px 0;line-height:1.5;max-width:1000px}.progress{width:200px;height:8px;background:#ffffff35;border-radius:9px;overflow:hidden}.progress i{display:block;height:100%;background:#fff}.small{font-size:16px}.board{position:relative;max-width:700px;height:370px;border:3px solid #ffffff70;border-radius:100px;margin:25px auto}.seat{position:absolute;text-align:center;max-width:42%}.north{top:15px;left:50%;transform:translateX(-50%)}.south{bottom:15px;left:50%;transform:translateX(-50%)}.west{left:20px;top:50%;transform:translateY(-50%)}.east{right:20px;top:50%;transform:translateY(-50%)}.seat strong{display:block;margin-bottom:8px;font-size:18px}.board-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:14px;text-align:center;max-width:160px;line-height:1.5}.bid{display:inline-flex;position:relative;align-items:center;justify-content:center;width:65px;height:62px;background:#fff;color:#111;border:2px solid #ddd;border-radius:6px;font-size:25px;margin:3px;overflow:hidden}.bid img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.bid b{position:relative;background:#fff;padding:3px 6px;border-radius:4px}.bid.active{outline:3px solid #ffe480;outline-offset:3px}.bid.red{color:#bd1622}.sequence{display:flex;flex-wrap:wrap;gap:10px;line-height:1.6}.sequence span{border:1px solid #ffffff66;border-radius:6px;padding:6px 10px}.results{font-size:64px;margin:24px 0}.reference-list li{margin:18px 0}.reference-list a{color:#fff}.honors{display:flex;gap:25px;flex-wrap:wrap}.honors>div{text-align:center}.honors .card{margin:auto}.honors p{margin:8px 0} @media(max-width:850px){.modules{grid-template-columns:1fr}.module{min-height:200px}.hand{grid-template-columns:repeat(2,minmax(0,1fr))}main{padding-top:30px}.card{width:62px}.board{height:390px}.answers{grid-template-columns:1fr}}@media(max-width:480px){header{padding:16px 5%}.brand img{width:58px;height:58px}.brand{font-size:22px}.brand-sub{font-size:11px}.tag{font-size:11px;padding:8px}.hand{gap:15px}.card{width:53px}.cards{gap:4px}.seat{max-width:45%}.west{left:8px}.east{right:8px}.bid{width:48px;height:52px;font-size:21px}.board{border-radius:65px}.board-center{max-width:100px}.level{padding:12px 17px}}

.card img{transform:scale(1.30);object-fit:cover}.card{width:80px}.bid.picture-bid{width:90px;height:44px;background:transparent;border:0;overflow:hidden}.bid.picture-bid img{width:236%;height:353%;max-width:none;object-fit:fill;top:-127%;left:-69%}.bid[data-suit=S] img{left:-96%}.bid[data-suit=D] img{left:-86%}.bid.picture-bid b{margin-left:35%;background:transparent;font-size:27px}.seat{max-width:46%}.board-center{max-width:140px}@media(max-width:850px){.card{width:70px}}@media(max-width:480px){.card{width:60px}.bid.picture-bid{width:62px;height:31px}.bid.picture-bid b{font-size:21px}.board-center{max-width:90px;font-size:12px}.bid:not(.picture-bid){width:47px;height:36px;font-size:18px}}
.lesson-split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px;align-items:start;margin:12px 0 36px}.lesson-video iframe{display:block;width:100%;aspect-ratio:16/9;border:2px solid #ffffff99;border-radius:14px;background:#003f26}.lesson-video p{margin:10px 0}.lesson-copy{font-size:19px}.lesson-copy .intro-panel{font-size:17px}@media(max-width:850px){.lesson-split{grid-template-columns:1fr}.lesson-copy{font-size:18px}}

/* Tydlig bakåtknapp (istället för understruken länk) */
button.back{
  background:#ffffff1f;
  border:2px solid #fff;
  border-radius:10px;
  color:#fff;
  text-decoration:none;
  font-weight:700;
  font-size:18px;
  padding:12px 22px;
  min-height:54px;
  cursor:pointer;
  transition:background .15s,color .15s;
}
button.back:hover{background:#fff;color:#005d35}
.primary + .back{margin-left:14px}