:root { color: #202d28; background: #f5f7f5; font: 14px/1.6 Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; padding: 40px clamp(24px, 6vw, 96px); }
#dataFlow { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.login-brand, .login-layout { position: relative; z-index: 1; }
.login-brand { display: flex; align-items: flex-start; gap: 12px; }
.brand-mark { background: #24684e; color: #fff; width: 36px; height: 40px; border-radius: 9px; font-size: 24px; font-weight: 700; text-align: center; line-height: 40px; }
.login-brand strong { display: block; font-size: 19px; line-height: 23px; }
.login-brand div > span { color: #76817b; font-size: 11px; }
.login-layout { display: grid; grid-template-columns: minmax(300px, 420px) minmax(280px, 1fr); gap: clamp(40px, 8vw, 128px); max-width: 1120px; margin-top: 48px; align-items: start; }
.login-card { background: white; border: 1px solid #e3e8e4; border-radius: 12px; padding: 32px; box-shadow: 0 8px 28px #1c312508; }
h1, h2, p { margin: 0; }
.eyebrow { color: #24684e; font-size: 12px; margin-bottom: 8px; }
h1 { font-size: 26px; line-height: 1.4; letter-spacing: -.025em; font-weight: 650; }
.intro { color: #76817b; font-size: 13px; margin-top: 10px; }
form { margin-top: 28px; }
label { display: block; font-size: 13px; font-weight: 550; margin-bottom: 8px; }
input { display: block; width: 100%; height: 44px; background: #fff; border: 1px solid #d8e0da; border-radius: 6px; padding: 10px 12px; color: #202d28; font: inherit; }
input::placeholder { color: #99a29c; }
#username { margin-bottom: 20px; }
.password-field { position: relative; }
.password-field input { padding-right: 64px; }
button { font: inherit; cursor: pointer; }
#togglePassword { position: absolute; right: 8px; top: 8px; height: 28px; padding: 0 8px; background: none; border: none; color: #647a6e; font-size: 12px; }
.login-error { min-height: 40px; padding-top: 8px; color: #b8473e; font-size: 12px; }
.login-submit { width: 100%; height: 44px; background: #24684e; color: #fff; border: none; border-radius: 6px; font-weight: 600; }
.login-submit:hover { background: #194c39; }
button:disabled { opacity: .6; cursor: wait; }
.login-note { margin-top: 14px; font-size: 11px; color: #76817b; }
input:focus-visible, button:focus-visible { outline: 3px solid #91b8a3; outline-offset: 2px; }
.login-about { padding-top: 8px; }
.about-label { color: #68816f; font-size: 12px; }
h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.45; font-weight: 550; margin-top: 20px; letter-spacing: -.04em; }
.login-about p { margin-top: 20px; color: #76817b; line-height: 1.9; }
.value-pillars { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 32px; padding-top: 20px; border-top: 1px solid #e3e8e4; color: #50665a; font-size: 12px; }
@media (max-width: 760px) { body { padding: 24px; } .login-layout { display: block; margin-top: 32px; } .login-card { max-width: 420px; padding: 24px; } .login-about { display: none; } }
@media (prefers-reduced-motion: reduce) { #dataFlow { display: none; } }