:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#14243e;background:#f4f6fa;font-synthesis:none;--ink:#101e35;--muted:#68768b;--accent:#ffd43b;--border:#dfe5ef;--white:#fff}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}button:disabled{opacity:.5;cursor:wait}.boot{padding:10vh;text-align:center}h1,h2,h3,p{margin:0}h1{font-size:2.15rem;letter-spacing:-1.2px;font-weight:650}h2{font-size:1.22rem;letter-spacing:-.4px}h3{font-size:1.02rem}p{line-height:1.65}.muted{color:var(--muted)}.small{font-size:.875rem}.eyebrow{font-size:.75rem;letter-spacing:1.7px;text-transform:uppercase;font-weight:700}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.sidebar{background:var(--ink);color:#c1ccdd;display:flex;flex-direction:column;padding:34px 20px;position:fixed;inset:0 auto 0 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.btn{margin-top:18px}.footer{display:flex;justify-content:space-between;gap:15px;color:#7b879b;font-size:.75rem;margin-top:30px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.course{background:white;border:1px solid var(--border);border-radius:12px;overflow:hidden}.course-art{padding:24px;background:#edf1f9;display:flex;align-items:center;justify-content:space-between;height:115px}.course:nth-child(2n) .course-art{background:#fff3c2}.course:nth-child(3n) .course-art{background:#e5edf9}.course-art .icon{width:40px;height:40px;stroke-width:1.3}.course-body{padding:23px}.course h3{font-size:1.2rem;margin-bottom:10px}.course p{color:var(--muted);font-size:.875rem;margin-bottom:20px}.course-meta{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:15px;font-size:.875rem;margin-bottom:18px}.course .btn{width:100%}.notice{background:#fff8df;border:1px solid #eddfaa;border-radius:9px;padding:14px 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.eyebrow{margin-top:auto;padding-top:80px;color:#b0bfd5}.auth-form{padding:40px;display:grid;place-items:center}.auth-inner{width:100%;max-width:410px}.auth-inner h2{font-size:1.8rem;margin-bottom:10px}.auth-inner>p{color:var(--muted);margin-bottom:26px}.auth-inner form{display:grid;gap:18px}.auth-inner .btn{padding:14px}.auth-switch{margin-top:24px;text-align:center;font-size:.875rem}.auth-switch button{border:0;background:none;text-decoration:underline;color:var(--ink);font-weight:600}.inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.detail-grid dt{font-size:.8rem;color:var(--muted);margin-bottom:7px}.detail-grid dd{margin:0;font-size:.95rem;white-space:pre-wrap;overflow-wrap:anywhere}.detail-grid .full{grid-column:1/-1}.tabs{display:flex;gap:8px;margin-bottom:22px;overflow:auto}.tabs button{border:1px solid var(--border);background:white;padding:10px 15px;border-radius:7px;white-space:nowrap}.tabs button.active{background:var(--ink);color:white}.mobile-menu{display:none}.error-page{padding:60px}.check{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;line-height:1.5}.check input{width:18px;margin-top:2px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:14px 22px;border-radius:9px;z-index:100;box-shadow:0 8px 30px #10234030;max-width:90vw;display:none;line-height:1.5}.list-actions{display:flex;gap:8px}.list-actions .btn{padding:7px 10px;font-size:.8rem}@media(min-width:1500px){.main{padding-top:44px}.hero{padding:35px}.stats{margin-top:28px}}@media(max-width:1100px){.shell{grid-template-columns:215px 1fr}.sidebar{width:215px;padding:28px 14px}.main{padding:28px 25px}.topbar{padding:0 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p,.auth-art>.eyebrow{display:none}.auth-form{padding:35px 24px}.row{padding:16px;flex-wrap:wrap}.footer{flex-wrap:wrap}.detail-grid{grid-template-columns:1fr}.wave-number{font-size:1.35rem}.list-actions{flex-wrap:wrap}.panel-head{padding:18px}.panel-head h2{font-size:1.05rem}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}


/* Yellah Cyber & Technology LTD brand */
.brand{gap:10px;letter-spacing:-.45px;font-size:1.17rem;line-height:1.2}.brand img{width:38px;height:38px;flex-shrink:0}.brand small{font-size:.75rem;letter-spacing:.1px;line-height:1.35;color:#c1ccdd;font-weight:500;margin-top:5px}.brand strong{color:#ffd43b;font-weight:750}.sidebar{border-top:4px solid var(--accent);padding-top:30px}.auth-art{border-top:5px solid var(--accent)}.hero{background:var(--ink);border-color:#263c60;color:#fff}.hero .eyebrow{color:var(--accent)}.hero p{color:#bdcbe0}.hero .btn{background:var(--accent);border-color:var(--accent);color:var(--ink)}.hero-mark{background:#1c3150;border-color:#3a5073;color:var(--accent)}.btn.primary{background:var(--accent);border-color:#efc22b;color:var(--ink)}.stat{border-top:3px solid #dfe5ef}.stat:first-child{border-top-color:var(--accent)}.academy-banner{border-left:4px solid var(--accent)}.auth-contact{margin-top:24px}.sidebar-footer .muted{color:#a8b7cd}.auth-art .brand{font-size:1.65rem}.auth-art .brand small{font-size:.875rem}.auth-art .brand img{width:48px;height:48px}

.sidebar{overflow-y:auto}.sidebar-footer>div:nth-child(2){min-width:0;overflow-wrap:anywhere}.sidebar-footer .icon-btn{flex-shrink:0}.dialog-actions{position:sticky;bottom:0;background:white;padding:12px 0;margin-bottom:-12px}