#authGate{position:fixed;inset:0;z-index:100000;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 20%,#2d2718 0,#0d0e10 48%,#050506 100%);color:#f4ead0;font-family:system-ui,"Microsoft YaHei",sans-serif;visibility:visible}
#authGate[hidden]{display:none}.auth-card{width:min(420px,100%);padding:28px;border:1px solid #8c6c2c;border-radius:22px;background:linear-gradient(145deg,rgba(35,31,24,.97),rgba(10,10,11,.98));box-shadow:0 24px 70px #000,0 0 35px rgba(211,167,64,.12)}
.auth-logo{width:76px;height:76px;margin:0 auto 16px;display:grid;place-items:center;border-radius:22px;background:linear-gradient(145deg,#e6c66f,#8d641c);color:#111;font-size:39px;box-shadow:inset 0 1px #fff7,0 9px 25px #000}.auth-card h1{text-align:center;font-size:24px;margin:0 0 8px}.auth-sub{text-align:center;color:#b9aa88;font-size:14px;line-height:1.6;margin:0 0 22px}.auth-field{display:block;margin:14px 0 6px;color:#d8c9a7;font-size:14px}.auth-input{box-sizing:border-box;width:100%;height:48px;padding:0 14px;border:1px solid #5c5139;border-radius:12px;background:#0b0c0e;color:#fff;font-size:17px;outline:none}.auth-input:focus{border-color:#d2a842;box-shadow:0 0 0 3px #d2a84222}.auth-button{width:100%;height:50px;margin-top:18px;border:0;border-radius:12px;background:linear-gradient(135deg,#f0d27d,#ad7a20);color:#17120a;font-size:17px;font-weight:800;cursor:pointer;touch-action:manipulation}.auth-button:disabled{opacity:.55}.auth-error{min-height:22px;margin:12px 0 0;color:#ff8e83;text-align:center;font-size:14px}.auth-note{color:#8e846e;text-align:center;font-size:12px;line-height:1.5}.auth-spinner{width:34px;height:34px;margin:20px auto;border:3px solid #66562f;border-top-color:#edc968;border-radius:50%;animation:authspin .8s linear infinite}@keyframes authspin{to{transform:rotate(360deg)}}