*{box-sizing:border-box}
:root{color-scheme:light;--pitch:#14110F;--graphite:#34312D;--grey:#7E7F83;--oak:#D9C5B2;--platinum:#F3F3F4}
[hidden]{display:none!important}
body{margin:0;background:var(--platinum);color:var(--pitch);font:15px/1.65 system-ui,'Microsoft JhengHei',sans-serif;min-height:100dvh;display:grid;place-items:center;padding:40px}
a,button,input{outline-offset:4px}
.auth-layout{display:grid;grid-template-columns:1fr 1fr;width:min(1080px,100%);min-height:650px;background:#fff;border:1px solid #dedbd6;border-radius:24px;overflow:hidden;box-shadow:0 20px 70px #34312d0b}
.welcome-panel{padding:44px 48px;background:#e7dbcf;display:flex;flex-direction:column}
.auth-brand{display:flex;align-items:center;gap:14px;color:var(--graphite);text-decoration:none;width:fit-content}
.mark{display:grid;place-items:center;background:var(--graphite);color:var(--platinum);width:48px;height:48px;border-radius:14px;font-size:25px}
.auth-brand b{display:block;font-size:21px;letter-spacing:.03em}.auth-brand small{display:block;font-size:10px;letter-spacing:.17em;color:#625b53}
.welcome-copy{margin:48px 0 28px}.eyebrow{font-size:12px;letter-spacing:.08em;color:#68615a;margin:0 0 14px}
.welcome-copy h2{margin:0 0 18px;font-size:clamp(32px,3.1vw,42px);line-height:1.35;font-weight:700;letter-spacing:-.03em}
.welcome-copy>p:last-child{font-size:15px;line-height:1.9;color:#625b53;margin:0}
.welcome-steps{list-style:none;padding:0;margin:0;display:grid;gap:20px}
.welcome-steps li{display:flex;align-items:start;gap:14px}.welcome-steps li>span{font-size:12px;line-height:29px;font-variant-numeric:tabular-nums;color:#665f57;border:1px solid #bbaa98;border-radius:50%;width:30px;height:30px;text-align:center;flex-shrink:0}
.welcome-steps b{font-size:14px;font-weight:650}.welcome-steps p{margin:3px 0 0;font-size:12px;color:#625b53}
.welcome-footer{margin:38px 0 0;padding-top:20px;border-top:1px solid #cdbfae;font-size:12px;color:#625b53}
.auth-panel{display:flex;align-items:center;padding:48px}.auth-form-wrap{width:100%;max-width:368px;margin:auto}
h1{margin:0 0 10px;font-size:27px;line-height:1.4;letter-spacing:-.03em;font-weight:700}
#form-intro{color:#6a6660;font-size:14px;line-height:1.7;margin:0}
nav{display:flex;padding:4px;gap:4px;background:var(--platinum);border:1px solid #e9e6e2;border-radius:11px;margin:28px 0}
nav a{flex:1;text-align:center;padding:9px;color:#6a6660;text-decoration:none;border-radius:7px;font-size:14px;font-weight:600}
nav a[aria-current]{background:#fff;color:var(--pitch);box-shadow:0 1px 5px #34312d12}
nav a:hover{color:var(--pitch)}nav a:focus-visible,.auth-brand:focus-visible{outline:2px solid var(--graphite)}
label{display:block;margin:18px 0 8px;font-size:14px;font-weight:600;color:var(--graphite)}
input{font:inherit;padding:12px 14px;border:1px solid #c9c5c0;border-radius:9px;background:#fff;width:100%;min-height:46px;color:var(--pitch)}
input:hover{border-color:#a39b93}input:focus{outline:3px solid #d9c5b25c;border-color:#9b8167;outline-offset:1px}
button{width:100%;min-height:48px;padding:12px 18px;border:1px solid var(--graphite);border-radius:9px;background:var(--graphite);color:var(--platinum);font:600 15px system-ui,'Microsoft JhengHei',sans-serif;cursor:pointer}
button:hover{background:var(--pitch)}button:focus-visible{outline:3px solid var(--oak)}button:disabled{opacity:.6;cursor:wait}
.hint{font-size:12px;margin:6px 0 0;color:#6a6660}
#login-error{color:#803348;min-height:20px;font-size:13px;margin:14px 0 8px}
.account-note{margin:26px 0 0;padding-top:20px;border-top:1px solid #e9e6e2;color:#6a6660;font-size:12px;line-height:1.8}
@media(max-width:900px){body{padding:24px}.auth-layout{grid-template-columns:.9fr 1fr;min-height:620px}.welcome-panel{padding:32px}.auth-panel{padding:32px}.welcome-copy{margin-top:38px}.welcome-copy h2{font-size:32px}}
@media(min-width:681px) and (max-height:800px){body{padding-block:24px}.auth-layout{min-height:620px}.welcome-panel{padding-block:32px}.welcome-copy{margin-top:30px;margin-bottom:24px}.welcome-copy h2{font-size:36px}.welcome-steps{gap:15px}.welcome-footer{margin-top:28px;padding-top:16px}.auth-panel{padding-block:32px}}
@media(max-width:680px){body{padding:20px 16px;display:block}.auth-layout{max-width:470px;margin:0 auto;display:block;min-height:0;border-radius:18px}.welcome-panel{padding:22px 26px}.welcome-copy,.welcome-steps,.welcome-footer{display:none}.auth-panel{padding:30px 26px}.auth-brand b{font-size:20px}.mark{width:42px;height:42px;font-size:23px}.auth-brand small{font-size:9px}h1{font-size:25px}.auth-form-wrap{max-width:none}}