:root { --ink:#191918; --muted:#777774; --paper:#fbfaf8; --line:#deddd9; --coral:#ff6543; --coral-dark:#ef4f30; --coral-soft:#fff0eb; --mint:#55c596; --font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--paper); font-family: var(--font); }
.login-layout { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-intro { padding: clamp(30px,4vw,68px); display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 12px; color: inherit; text-decoration: none; font-size: 20px; font-weight: 750; letter-spacing: -.03em; }
.brand small { display: block; margin-top: 3px; color: #9a9995; font-size: 10px; font-weight: 500; }
.brand-mark { width: 42px; height: 42px; position: relative; display: grid; place-items: center; }
.brand-mark i { position: absolute; border: 2px solid var(--coral); border-right-color: transparent; border-radius: 50%; transform: rotate(-36deg); }
.brand-mark i:nth-child(1) { inset: 1px; }.brand-mark i:nth-child(2) { inset: 8px; }.brand-mark i:nth-child(3) { inset: 15px; }
.brand-mark b { width: 4px; height: 4px; border-radius: 50%; background: var(--coral); box-shadow: 14px -12px 0 -1px var(--coral); }
.eyebrow { margin: 0 0 20px; color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
h1 { margin: 0; font-size: clamp(64px,6vw,104px); line-height: .92; letter-spacing: -.075em; }
h1 em { color: var(--coral); font-style: normal; }
.login-intro > div > p:last-child { max-width: 560px; margin: 34px 0 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.source { color: #9a9995; font-size: 11px; }
.login-panel { display: grid; place-items: center; padding: 30px; background: white; }
.login-panel form { width: min(430px,100%); }
.step { color: var(--coral); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
h2 { margin: 22px 0 10px; font-size: clamp(42px,4vw,60px); line-height: 1; letter-spacing: -.055em; }
.login-panel form > p { margin: 0 0 38px; color: var(--muted); font-size: 14px; }
label { display: block; margin-top: 18px; color: #666560; font-size: 11px; font-weight: 700; }
input { width: 100%; min-height: 54px; margin-top: 8px; padding: 0 16px; border: 1px solid var(--line); border-radius: 10px; outline: none; font: inherit; font-size: 14px; }
input:focus { border-color: var(--coral); box-shadow: 0 0 0 3px #ff65431a; }
button { width: 100%; min-height: 56px; margin-top: 26px; border: 0; border-radius: 10px; color: white; background: var(--coral); font: inherit; font-size: 14px; font-weight: 800; cursor: pointer; box-shadow: 0 10px 28px #ff654333; transition: .2s; }
button:hover { background: var(--coral-dark); transform: translateY(-1px); }
button b { margin-left: 10px; font-size: 18px; }
.secure { display: block; margin-top: 18px; color: var(--muted); text-align: center; font-size: 10px; }
.secure::first-letter { color: var(--mint); }
.error { margin: -18px 0 22px; padding: 12px 14px; border-radius: 9px; color: #a63d2c; background: var(--coral-soft); font-size: 12px; }
@media (max-width:800px) { .login-layout { grid-template-columns: 1fr; }.login-intro { min-height: 46vh; gap: 70px; border-right: 0; border-bottom: 1px solid var(--line); }.login-intro .source { display:none; }.login-panel { padding: 58px 22px 70px; } h1 { font-size: clamp(54px,14vw,78px); } }