:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#eaf4ff;background:#07111f;}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 15%,rgba(35,115,190,.28),transparent 30%),radial-gradient(circle at 80% 85%,rgba(0,200,170,.18),transparent 30%),#07111f;color:#eaf4ff;}
a{text-decoration:none;color:inherit}
.home-shell{min-height:100vh;display:grid;place-items:center;padding:28px;position:relative;overflow:hidden}
.home-shell:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,black,transparent 85%);pointer-events:none}
.home-wrap{width:min(980px,100%);position:relative;z-index:1}
.brand{text-align:center;margin-bottom:42px}
.brand-mark{width:78px;height:78px;margin:0 auto 18px;border-radius:24px;display:grid;place-items:center;background:linear-gradient(135deg,#1f7ae0,#16b3a3);box-shadow:0 18px 45px rgba(11,139,207,.25);font-size:31px;font-weight:900;letter-spacing:-2px}
.brand h1{margin:0;font-size:clamp(30px,5vw,48px);letter-spacing:-1px}
.brand p{margin:10px 0 0;color:#a9bed3;font-size:16px}
.login-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.login-choice{padding:30px;border:1px solid rgba(255,255,255,.11);border-radius:24px;background:rgba(255,255,255,.055);backdrop-filter:blur(14px);box-shadow:0 25px 60px rgba(0,0,0,.28);transition:.2s transform,.2s border-color,.2s background}
.login-choice:hover{transform:translateY(-5px);border-color:rgba(95,194,255,.5);background:rgba(255,255,255,.08)}
.login-choice.manager{background:linear-gradient(145deg,rgba(31,122,224,.16),rgba(255,255,255,.045))}
.login-choice.student{background:linear-gradient(145deg,rgba(22,179,163,.16),rgba(255,255,255,.045))}
.choice-icon{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:24px;font-weight:900;margin-bottom:18px;background:rgba(255,255,255,.08)}
.login-choice h2{margin:0 0 10px;font-size:23px}
.login-choice p{margin:0 0 24px;color:#aec1d2;line-height:1.55;min-height:50px}
.choice-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:12px;font-weight:800;background:#fff;color:#102033;width:100%}
.student .choice-btn{background:#bff4ec}
.footer-note{text-align:center;margin-top:26px;color:#7990a7;font-size:13px}
@media(max-width:700px){.login-options{grid-template-columns:1fr}.brand{margin-bottom:28px}.login-choice{padding:24px}}