*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
body{background:#0a0a0a;color:#e6edf3;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;min-height:100vh;display:flex;align-items:center;justify-content:center}
body::after{content:'';position:fixed;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,65,.01) 2px,rgba(0,255,65,.01) 4px);pointer-events:none}
#mx{position:fixed;inset:0;opacity:.08;pointer-events:none}
.login{position:relative;z-index:2;width:100%;max-width:380px;padding:40px;background:#161b22;border:1px solid #30363d;border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.5)}
.logo{text-align:center;font-family:'Courier New',monospace;font-size:1.2rem;color:#00ff41;margin-bottom:8px;letter-spacing:2px;text-shadow:0 0 15px rgba(0,255,65,.2)}
.logo .shield{display:inline-block;width:20px;height:20px;border:2px solid #00ff41;border-radius:3px;position:relative;margin-right:6px;vertical-align:middle}
.logo .shield::after{content:'';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:7px;height:10px;border:2px solid #00ff41;border-top:none;border-radius:0 0 2px 2px}
.subtitle{text-align:center;color:#8b949e;font-size:.85rem;margin-bottom:32px}
h2{font-family:'Courier New',monospace;font-size:1.1rem;margin-bottom:24px;color:#e6edf3}
.field{margin-bottom:20px}
.field label{display:block;font-size:.85rem;color:#8b949e;margin-bottom:6px;font-family:'Courier New',monospace}
.field input{width:100%;padding:10px 14px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#e6edf3;font-size:.95rem;outline:none;transition:border-color .3s}
.field input:focus{border-color:#00ff41;box-shadow:0 0 8px rgba(0,255,65,.1)}
.btn{width:100%;padding:12px;background:#00ff41;color:#000;font-weight:600;font-size:.95rem;border:none;border-radius:6px;cursor:pointer;transition:all .3s;font-family:'Courier New',monospace}
.btn:hover{background:#33ff66;box-shadow:0 0 20px rgba(0,255,65,.3)}
.hint{text-align:center;margin-top:20px;font-size:.8rem;color:#8b949e}
.hint a{color:#00cc33;text-decoration:none}
.footer{text-align:center;margin-top:32px;font-size:.75rem;color:#8b949e}
.footer .b{font-family:'Courier New',monospace;color:#00ff41}