:root{color-scheme:dark;--bg:#101112;--muted:#a5a5a2;--gold:#d7bd83;--line:#303130;font-family:"Microsoft YaHei UI","PingFang SC",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;color:#f2f1ed;background:var(--bg)}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}.login-layout{display:grid;grid-template-columns:1.08fr 1fr;min-height:100svh}.brand-panel{position:relative;display:flex;flex-direction:column;padding:48px clamp(32px,5vw,88px);background:radial-gradient(ellipse at 12% 75%,#41402e66,transparent 58%),linear-gradient(140deg,#20211d,#111411);overflow:hidden;border-right:1px solid #ffffff0d}.brand-panel:after{content:"";position:absolute;width:480px;height:480px;border:1px solid #d7bd831c;border-radius:50%;right:-210px;bottom:10%;box-shadow:0 0 0 55px #d7bd8307,0 0 0 110px #d7bd8304;pointer-events:none}.brand{display:flex;align-items:center;gap:14px;width:fit-content;font-size:21px;letter-spacing:2px}.brand small{display:block;font-size:9px;letter-spacing:4px;color:var(--gold);margin-top:6px}.brand-icon{border:1px solid #d7bd8366;color:var(--gold);width:47px;height:49px;border-radius:12px;display:grid;place-content:center;font-family:Georgia,serif;font-size:36px;position:relative}.brand-icon>span{font-size:13px;position:absolute;right:8px;bottom:8px}.brand-copy{position:relative;z-index:1;margin:auto 0;padding:90px 0}.eyebrow,.section-label{font-size:10px;letter-spacing:3px;color:var(--gold);font-weight:600}.brand-copy h1{font-size:clamp(32px,3.1vw,51px);line-height:1.5;font-weight:500;letter-spacing:1px;margin:26px 0 24px}.intro{color:#b9bab3;font-size:15px;line-height:1.95}.workflow{display:flex;align-items:center;gap:15px;color:#dbd7c9;margin-top:42px;font-size:12px}.workflow i{font-style:normal;color:#777866}.workflow span{padding:9px 12px;border:1px solid #d7bd8329;border-radius:6px}.brand-bottom{font-size:10px;letter-spacing:1px;color:#8c9084;z-index:1;margin:0}.brand-bottom span{padding:0 10px}.form-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 42px 32px;position:relative}.form-wrap{width:100%;max-width:360px;margin:auto 0}.section-label{color:#8b8c86;font-size:9px;letter-spacing:2.5px}h2{font-size:30px;line-height:1.5;font-weight:550;margin:18px 0 8px}.subtitle{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 34px}label{display:block;font-size:12px;color:#c9c9c4;margin:19px 0 9px}input{width:100%;height:48px;padding:0 14px;color:#eee;background:#18191a;border:1px solid #343536;border-radius:7px;font-size:13px;transition:border-color .15s}input::placeholder{color:#747674}input:focus{outline:2px solid #d7bd8333;border-color:var(--gold)}.password-field{position:relative}.password-field input{padding-right:62px}.password-field button{position:absolute;right:9px;top:9px;height:30px;background:none;border:0;color:#aaa99f;font-size:11px;padding:0 8px}.error{min-height:20px;color:#efb1a2;font-size:12px;line-height:1.6;margin:12px 0}.submit{height:48px;display:flex;align-items:center;justify-content:center;gap:18px;border:1px solid #deca9e;background:linear-gradient(110deg,#dfcda2,#cbb17b);color:#22251f;border-radius:7px;width:100%;font-size:14px;font-weight:600}.submit:hover{filter:brightness(1.07)}.help{color:#8c8d87;font-size:11px;text-align:center;line-height:1.8;margin-top:17px}.setup-link{display:block;text-align:center;color:var(--gold);font-size:12px;margin-top:18px}.security{border-top:1px solid #292a29;padding-top:23px;margin-top:36px;text-align:center;font-size:10px;color:#96988f;line-height:1.8}.security span{color:var(--gold);margin-right:6px}footer{display:flex;justify-content:space-between;width:100%;max-width:360px;color:#686b65;font-size:10px;margin-top:55px;gap:20px}footer span{letter-spacing:1px}@media(max-width:760px){.login-layout{display:block}.brand-panel{padding:25px 24px;border:0;background:linear-gradient(120deg,#20221c,#151713)}.brand-copy,.brand-bottom{display:none}.brand{font-size:18px}.brand-icon{height:40px;width:40px;font-size:30px}.brand small{font-size:8px}.form-panel{padding:38px 25px 24px;min-height:calc(100svh - 90px)}.form-wrap{max-width:380px}.subtitle{margin-bottom:24px}h2{font-size:28px}footer{margin-top:32px;max-width:380px}.security{margin-top:28px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
:root .brand-avatar{display:block;width:48px;height:48px;flex-shrink:0;border:1px solid #d7bd8366;border-radius:50%;object-fit:cover;object-position:center;box-shadow:0 0 0 3px #d7bd830a}@media(max-width:760px){:root .brand-avatar{width:42px;height:42px}}
:root{--bg:#020202;--gold:#c8a45e;--muted:#aaa294}body{background:#020202}.brand-panel{isolation:isolate;background:#040403;border-right:1px solid #c6a15b38}.brand-panel:before{content:"";position:absolute;inset:-6%;z-index:-2;background:url('/colosseum-login.jpg') 64% center/cover no-repeat;opacity:.72;transform:scale(1.05)}.brand-panel:after{inset:0;width:auto;height:auto;right:0;bottom:0;border:0;border-radius:0;box-shadow:none;z-index:-1;background:linear-gradient(90deg,#020202f5 0%,#020202bf 48%,#02020270 100%),linear-gradient(180deg,#02020233,#020202d1),radial-gradient(circle at 69% 44%,#c6a15b24,transparent 28%)}.brand-copy h1{color:#f3eee4}.brand-copy h1::first-line{color:#f3eee4}.brand-copy h1 em{font-style:normal;color:#d9bd82;text-shadow:0 0 42px #c6a15b2e}.intro{color:#aaa294}.workflow span{border-color:#c6a15b38;background:linear-gradient(145deg,#13110de0,#070706c7)}.form-panel{background:linear-gradient(160deg,#0a0a09fa,#020202fe)}.submit{background:linear-gradient(110deg,#e0c98f,#ad8848);color:#090806}.brand{position:relative;z-index:1}.brand-bottom{color:#777168}@media(max-width:760px){.brand-panel{background:#040403}}