*{box-sizing:border-box}body{margin:0;min-height:100svh;display:grid;place-items:center;background:linear-gradient(135deg,#edf3ff,#fff5fa);font:16px/1.6 system-ui,sans-serif;color:#15245c;padding:24px}.student-login{width:min(100%,470px);padding:34px;background:#fff;border:1px solid #dce4f3;border-radius:24px;box-shadow:0 20px 70px #15245c12}.student-logo{width:260px;max-width:100%;height:auto}h1{font-size:26px;line-height:1.25;margin:24px 0 14px}label{display:block;font-size:14px;font-weight:700;margin:18px 0}input{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid #cbd6ec;border-radius:10px;font:inherit}button{width:100%;padding:14px;border:0;border-radius:12px;background:#2455dc;color:white;font:inherit;font-weight:800;cursor:pointer}a{color:#2455dc}.student-help{font-size:13px;color:#60708a}.student-error{padding:12px;background:#fff0f1;border:1px solid #efb5bb;border-radius:10px;color:#9a1e32}