:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0b0c0e; color: #f5f1e8; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; background: radial-gradient(circle at 14% 18%, rgba(255, 83, 0, .15), transparent 30rem), #0b0c0e; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(360px, .85fr); }
.login-intro { position: relative; padding: 48px clamp(32px, 8vw, 132px); min-height: 100%; display: flex; flex-direction: column; overflow: hidden; border-right: 1px solid #292b2f; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 42px 42px; }
.login-intro::after { content: ""; position: absolute; width: min(55vw, 720px); aspect-ratio: 1; right: -23%; bottom: -32%; border: 1px solid rgba(255, 91, 20, .55); border-radius: 50%; box-shadow: 0 0 0 64px rgba(255, 91, 20, .045), 0 0 0 128px rgba(255, 91, 20, .025); pointer-events: none; }
.brand { position: relative; z-index: 1; width: fit-content; display: flex; align-items: center; gap: 11px; color: #f7f4ed; font-size: 22px; font-weight: 800; letter-spacing: -.045em; text-decoration: none; }
.brand > span:last-child span { color: #ff5c14; }
.brand-mark { width: 35px; height: 35px; display: grid; place-items: center; border: 1px solid #ff5c14; color: #fff; font-size: 21px; line-height: 1; }
.intro-copy { position: relative; z-index: 1; max-width: 600px; margin: auto 0; }
.eyebrow { margin: 0 0 14px; color: #a79c8b; font: 600 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 620px; margin-bottom: 24px; font-size: clamp(42px, 5vw, 78px); line-height: .98; letter-spacing: -.06em; }
.intro-copy > p:last-child { max-width: 520px; color: #c4bcaf; font-size: 18px; line-height: 1.6; }
.intro-footer { position: relative; z-index: 1; margin: 0; color: #8f887e; font-size: 14px; }
.login-panel { display: grid; place-items: center; padding: 36px; background: #101114; }
.login-card { width: min(100%, 430px); padding: clamp(30px, 4vw, 52px); border: 1px solid #34363b; background: rgba(19, 20, 23, .94); box-shadow: 0 24px 70px rgba(0,0,0,.36); }
h2 { margin-bottom: 12px; font-size: clamp(29px, 3vw, 42px); line-height: 1.05; letter-spacing: -.05em; }
.card-copy { margin-bottom: 32px; color: #a79f94; font-size: 16px; line-height: 1.55; }
label { display: grid; gap: 8px; margin-top: 20px; color: #dfd9d0; font-size: 15px; font-weight: 700; }
input { width: 100%; min-height: 51px; padding: 12px 14px; border: 1px solid #3b3c40; border-radius: 0; outline: none; background: #0c0d0f; color: #fff; font: inherit; }
input:focus { border-color: #ff5c14; box-shadow: 0 0 0 3px rgba(255, 92, 20, .16); }
button { width: 100%; min-height: 52px; margin-top: 27px; border: 0; border-radius: 0; background: #ff5c14; color: #0b0b0c; cursor: pointer; font: 800 16px/1 Inter, ui-sans-serif, sans-serif; }
button:hover { background: #ff722f; }
button:disabled { cursor: wait; opacity: .72; }
.login-error { margin: 20px 0 -5px; padding: 12px; border: 1px solid #b92c18; background: rgba(185, 44, 24, .13); color: #ffb1a2; font-size: 14px; line-height: 1.4; }
.session-note { margin: 25px 0 0; color: #817a72; font-size: 12px; line-height: 1.5; }
@media (max-width: 800px) { .login-shell { grid-template-columns: 1fr; } .login-intro { min-height: 340px; padding: 32px; } .intro-copy { margin: 72px 0 28px; } h1 { font-size: clamp(40px, 11vw, 60px); } .intro-footer { display: none; } .login-panel { padding: 24px; } }