:root { font-family: "Segoe UI", Arial, sans-serif; color: #233c33; background: #f4f6f2; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; }
.login-shell { display: grid; grid-template-columns: minmax(380px, 47%) 1fr; min-height: 100svh; }
.intro { background: #123d30; color: #fff; padding: 48px clamp(32px, 5vw, 88px); display: flex; flex-direction: column; position: relative; overflow: hidden; }
.intro::after { content: ""; position: absolute; width: 500px; height: 500px; border: 1px solid #ffffff0d; border-radius: 50%; right: -300px; bottom: -180px; box-shadow: 0 0 0 65px #ffffff03, 0 0 0 130px #ffffff03; pointer-events: none; }
.brand { display: flex; gap: 12px; align-items: center; color: inherit; text-decoration: none; font-size: 21px; font-weight: 650; letter-spacing: -.5px; }
.brand-mark { font-size: 30px; color: #b8d8a6; }
.intro-copy { margin: auto 0; padding: 64px 0; position: relative; z-index: 1; }
.eyebrow { display: block; font-size: 11px; letter-spacing: 2px; font-weight: 700; color: #56715e; }
.intro .eyebrow { color: #b9d1b7; }
h1 { font-size: clamp(38px, 3.5vw, 58px); line-height: 1.16; letter-spacing: -2px; margin: 22px 0; font-weight: 600; }
h1 em { font-style: normal; color: #c3dea9; }
.intro-copy > p { color: #ccdad1; line-height: 1.8; font-size: 15px; max-width: 390px; margin-bottom: 38px; }
.feature { display: flex; align-items: center; gap: 16px; margin: 24px 0; }
.feature > span { color: #b8d8a6; border: 1px solid #ffffff26; border-radius: 10px; padding: 10px; font-size: 11px; }
.feature strong { display: block; font-size: 14px; font-weight: 600; }
.feature small { display: block; color: #bfd0c4; font-size: 12px; margin-top: 6px; line-height: 1.5; }
.intro-footer { font-size: 9px; letter-spacing: 2px; color: #b5cbbd; }
.sign-in { padding: 64px 32px 28px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.login-card { width: 100%; max-width: 420px; margin: auto; }
.card-icon { display: grid; place-items: center; background: #e7eddf; color: #176b50; width: 52px; height: 52px; border-radius: 15px; font-size: 30px; margin-bottom: 32px; }
h2 { font-size: 29px; letter-spacing: -1px; margin: 12px 0; line-height: 1.3; font-weight: 650; }
.subtitle { color: #627468; font-size: 14px; line-height: 1.7; margin: 0 0 32px; }
label { display: block; font-size: 13px; font-weight: 600; margin: 23px 0 9px; }
input { font: inherit; width: 100%; padding: 15px 16px; border: 1px solid #cbd7c8; border-radius: 9px; background: #fff; color: #233c33; font-size: 14px; }
input::placeholder { color: #7a867c; }
button { display: flex; justify-content: space-between; align-items: center; font: inherit; font-size: 14px; font-weight: 600; color: #fff; background: #176b50; border: none; border-radius: 9px; width: 100%; padding: 16px 20px; margin-top: 28px; cursor: pointer; transition: background .15s; }
button:hover { background: #104d3b; }
button span { font-size: 20px; line-height: 1; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid #91b87e; outline-offset: 3px; }
.help { margin-top: 25px; color: #647568; font-size: 12px; line-height: 1.7; text-align: center; }
.page-footer { color: #647568; font-size: 11px; margin: 60px 0 0; text-align: center; }
.page-footer span { margin: 0 8px; }
.message { background: #fff1df; border: 1px solid #e6cdab; color: #674b25; border-radius: 8px; padding: 13px 15px; font-size: 13px; line-height: 1.6; }
[hidden] { display: none; }
@media (max-width: 850px) { .login-shell { grid-template-columns: 1fr; } .intro { padding: 22px 28px; } .intro-copy, .intro-footer { display: none; } .sign-in { padding: 46px 26px 24px; min-height: calc(100svh - 83px); } h2 { font-size: 27px; } }
@media (prefers-reduced-motion: reduce) { button { transition: none; } }