:root{--bg:#0a0a2e;--bg2:#141237;--bg3:#1c1a45;--border:rgba(255,255,255,.1);--text:#e8eaf6;--muted:#8d9be0;--cyan:#00f0ff;--orange:#f68b27;--red:#ff5252}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,sans-serif;display:flex;align-items:center;justify-content:center;padding:24px}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:40px;max-width:400px;width:100%;text-align:center;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--cyan),var(--orange))}
.logo{font-size:26px;font-weight:900;background:linear-gradient(90deg,var(--cyan),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.sub{color:var(--muted);font-size:14px;margin-bottom:28px}
.lbl{text-align:left;display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
input{width:100%;background:var(--bg3);border:1px solid var(--border);color:var(--text);-webkit-text-fill-color:var(--text);font-size:16px;padding:14px 46px 14px 16px;border-radius:10px;outline:none}
.pw-wrap{position:relative;margin-bottom:16px}
.pw-eye{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:auto;background:none;border:none;border-radius:0;box-shadow:none;padding:6px;margin:0;cursor:pointer;color:var(--muted);display:flex;align-items:center;transition:color .2s}
.pw-eye:hover,.pw-eye.on{color:var(--cyan)}
.pw-eye svg{width:20px;height:20px;display:block}
input:focus{border-color:var(--cyan)}
#gate-submit{width:100%;background:linear-gradient(135deg,var(--cyan),#0080ff);color:#000;font-size:15px;font-weight:800;padding:14px;border-radius:50px;border:none;cursor:pointer}
.err{display:none;color:var(--red);font-size:13px;margin-top:12px;background:rgba(255,82,82,.08);padding:10px;border-radius:8px}
.err.show{display:block}
a.back{color:var(--cyan);text-decoration:none;font-size:13px;display:inline-block;margin-top:18px}