:root{--yellow:#ffc700;--black:#151516;--text:#202024;--muted:#777983;--bg:#f7f7f8;--white:#fff;--line:#e9e9ed;--green:#138e60;--red:#cf383a;--radius:18px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);background:#e9e9ec}body{line-height:1.46}.app-shell{max-width:520px;margin:0 auto;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;box-shadow:0 0 35px #00000010}.topbar{background:var(--black);color:white;padding:16px 18px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:10}.brand-icon{width:40px;height:40px;display:grid;place-items:center;background:var(--yellow);border-radius:12px;font-size:28px;color:var(--black);font-weight:1000;transform:skew(-5deg)}.top-brand{display:flex;flex-direction:column;line-height:1.05;letter-spacing:.4px}.top-brand strong{font-size:15px}.top-brand small{font-size:10px;color:#b8b8b9;margin-top:4px;letter-spacing:1.25px}.lang{margin-left:auto;display:flex;border:1px solid #474747;border-radius:12px;padding:3px;gap:2px}.lang button{border:0;color:#bbb;background:transparent;padding:7px 11px;border-radius:9px;font-weight:750;cursor:pointer}.lang button.active{background:var(--yellow);color:var(--black)}.demo-ribbon{text-align:center;background:#fff0ac;color:#755b00;font-weight:800;letter-spacing:1px;padding:6px;font-size:10px}.app-main{padding:22px 18px 34px;flex:1}.footer{border-top:1px solid var(--line);padding:15px 20px;color:#a0a0a8;font-size:11px;display:flex;justify-content:space-between}.hero{background:var(--yellow);border-radius:23px;padding:24px 21px;margin-bottom:20px;position:relative;overflow:hidden}.hero:after{content:'A';position:absolute;right:-14px;bottom:-62px;font-size:194px;line-height:1;font-weight:1000;color:#111;opacity:.07;transform:rotate(-11deg)}.hero h1,.hero h2{line-height:1.13;font-size:27px;margin:8px 0 9px;letter-spacing:-.8px;max-width:90%}.hero p{font-size:13px;color:#403400;margin:0;max-width:90%}.eyebrow{font-size:11px;font-weight:900;letter-spacing:1.2px;text-transform:uppercase}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:13px;box-shadow:0 3px 20px #00000006}.card-title{font-weight:800;font-size:18px;margin:0 0 5px}.sub{color:var(--muted);font-size:13px;margin:0 0 12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:6px;margin:0 0 14px}.field label{font-size:12px;font-weight:750}.field input,.field select,.field textarea,.input{width:100%;border:1px solid #dcdcde;background:#fff;color:#222;border-radius:11px;font:inherit;padding:12px 13px;outline-color:var(--yellow)}.field textarea{min-height:80px;resize:vertical}.field input:focus{border-color:#d8b500}.btn{border:0;appearance:none;background:var(--yellow);color:#151515;border-radius:13px;font-weight:850;font-size:14px;min-height:46px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;text-decoration:none;line-height:1.2}.btn:hover{filter:brightness(.965)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-block{width:100%}.btn-dark{background:#202023;color:#fff}.btn-light{background:#f2f2f3;color:#272727}.btn-outline{background:white;border:1px solid #dbdbe0}.btn-small{min-height:35px;padding:8px 12px;font-size:12px;border-radius:10px}.tiny{font-size:11px;color:var(--muted)}.checkbox-row{display:flex;align-items:start;gap:10px;font-size:12px;color:#666;margin:15px 0}.checkbox-row input{margin-top:3px;accent-color:#222}.hrow{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-label{font-size:17px;font-weight:850;margin:23px 0 13px}.course-card{border:1px solid #e9e9eb;background:#fff;border-radius:17px;padding:17px;margin-bottom:11px;cursor:pointer;display:flex;gap:14px;align-items:center;text-align:left;width:100%;font:inherit;color:inherit}.course-card:hover:not(:disabled){border-color:var(--yellow);box-shadow:0 4px 16px #00000008}.course-card:disabled{opacity:.6;cursor:not-allowed}.number{width:45px;height:45px;min-width:45px;background:#f1f1f1;display:grid;place-items:center;border-radius:13px;font-weight:900;font-size:17px}.course-card.complete .number{background:#def5e9;color:#0b8154}.course-card.active .number{background:var(--yellow)}.course-card h3{margin:0 0 4px;font-size:14px;font-weight:850}.course-card p{margin:0 0 6px;color:var(--muted);font-size:12px}.tag{display:inline-block;background:#ededf0;color:#686872;font-size:10px;font-weight:800;padding:4px 8px;border-radius:7px}.tag.green{background:#e0f5e8;color:#16815d}.tag.gold{background:#fff1b1;color:#816300}.progress-track{height:7px;background:#e8e8ea;border-radius:10px;overflow:hidden}.progress-track div{height:100%;background:var(--black);border-radius:10px;transition:width .3s}.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat{background:#fff;border:1px solid var(--line);padding:14px;border-radius:14px}.stat strong{font-size:23px;display:block}.stat small{font-size:11px;color:var(--muted)}.back{background:none;border:0;font:inherit;font-weight:750;cursor:pointer;padding:0 0 15px;font-size:13px}.video-wrap{background:#151515;border-radius:19px;padding:12px;display:flex;align-items:center;justify-content:center;position:relative;min-height:340px;margin-bottom:15px;overflow:hidden}.video-wrap video{display:block;max-width:100%;width:auto;max-height:450px;aspect-ratio:286/640;background:black;border-radius:8px;object-fit:contain}.video-wrap:has(video:not([src])){min-height:340px}.video-message{font-size:12px;color:#fff}.hint{background:#fff7d9;border-radius:12px;padding:13px;font-size:12px;color:#6f5d19;margin-bottom:16px}.lesson-steps{list-style:none;padding:0;margin:0}.lesson-steps li{padding:11px 0 11px 37px;position:relative;border-bottom:1px solid #f2f2f2;font-size:13px}.lesson-steps li:last-child{border-bottom:0}.lesson-steps li:before{content:attr(data-n);position:absolute;left:0;top:10px;width:24px;height:24px;background:#ffe49a;border-radius:7px;display:grid;place-items:center;font-weight:900;font-size:11px}.quiz-question{margin:0 0 20px}.quiz-question h3{font-size:14px;line-height:1.4;margin:0 0 12px}.opt{display:flex;gap:10px;align-items:flex-start;padding:12px 13px;border:1px solid var(--line);border-radius:12px;margin:7px 0;background:white;font-size:13px;cursor:pointer}.opt:has(input:checked){border-color:#cda300;background:#fff9dc}.opt input{accent-color:#d6ac00;margin:3px 0 0}.result{text-align:center;padding:25px 15px}.result .score{font-size:51px;font-weight:950;line-height:1;margin-bottom:9px}.result.pass .score{color:#128357}.result.fail .score{color:#c74a37}.success-badge{height:64px;width:64px;border-radius:50%;display:grid;place-items:center;background:#e4f6e9;color:#128357;font-size:33px;font-weight:800;margin:5px auto 18px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:20;background:#151515;color:white;border-radius:12px;padding:13px 19px;max-width:410px;width:calc(100% - 32px);box-shadow:0 8px 38px #0005;font-size:13px}.hidden{display:none!important}.loading{text-align:center;padding:90px 0;color:var(--muted)}.spinner{display:inline-block;width:28px;height:28px;border-radius:50%;border:3px solid #ddd;border-top-color:#e1ba00;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mini-divider{height:1px;background:#eeeeef;margin:15px 0}.check-mark{font-size:26px;color:#0a8653}.muted-icon{font-size:22px;color:#a0a0a0}@media(max-width:370px){.form-grid{grid-template-columns:1fr}.app-main{padding:16px 13px}.hero h1{font-size:24px}.topbar{padding:12px 13px}}@media(min-width:720px){.app-shell{margin:25px auto;min-height:calc(100vh - 50px);border-radius:25px;overflow:hidden}.topbar{position:static}}

/* v1.1: use provided HR brand logo as-is */
.brand-icon{background:var(--yellow);transform:none;flex:none;border-radius:11px;overflow:hidden;width:44px;height:44px}.brand-icon img{width:100%;height:100%;object-fit:cover;display:block}

/* v1.2 test score and question-by-question review */
.score-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0}.score-metrics>div{border:1px solid var(--line);border-radius:12px;padding:12px 4px;background:#fafafa;display:flex;flex-direction:column;gap:5px}.score-metrics span{font-size:10px;color:var(--muted)}.score-metrics b{font-size:19px}.review-list{margin-bottom:20px}.review-item{border:1px solid var(--line);border-radius:15px;background:#fff;padding:15px 14px;margin:0 0 11px}.review-item .hrow{align-items:flex-start}.review-item strong{font-size:13px;flex:1}.tag.red{background:#fde5e4;color:#ad3333}.review-good{border-left:4px solid #19a273}.review-bad{border-left:4px solid #d34a4c}.review-answer{font-size:12px;margin:12px 0 3px;color:#4b4b4b}.review-answer.correct{color:#116a4a;background:#e8f7ef;padding:9px;border-radius:8px}