:root { color-scheme: light; --blue: #0b57d0; --text: #1f1f1f; --muted: #5f6368; --line: #dfe3eb; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #edf4ff, #f8fafd 48%); color: var(--text); font: 14px/1.45 "Google Sans", Roboto, Arial, sans-serif; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(430px, 100%); padding: 38px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 18px 55px rgba(32, 33, 36, .14); }
.brand-mark { display: grid; grid-template-columns: repeat(2, 9px); grid-template-rows: repeat(2, 9px); gap: 3px; place-content: center; width: 44px; height: 44px; margin-bottom: 26px; border-radius: 13px; background: var(--blue); }
.brand-mark i { display: block; border-radius: 50%; background: #fff; }
.brand-mark i:first-child { grid-row: 1 / 3; border-radius: 6px; }
.brand-mark i:nth-child(2) { background: #a8c7fa; }
.brand-mark i:nth-child(3) { background: #c4eed0; }
.eyebrow { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .12em; }
h1 { margin: 8px 0 5px; font-size: 25px; font-weight: 550; letter-spacing: -.4px; }
p { margin: 0 0 26px; color: var(--muted); font-size: 12px; }
form { display: grid; gap: 17px; }
label { color: #3c4043; font-size: 12px; font-weight: 600; }
input { display: block; width: 100%; min-height: 46px; margin-top: 7px; padding: 10px 13px; border: 1px solid #c7cdd8; border-radius: 10px; outline: none; font: inherit; }
input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(11, 87, 208, .13); }
button { min-height: 46px; border: 1px solid var(--blue); border-radius: 999px; background: var(--blue); color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
button:hover { background: #0842a0; }
button:disabled { opacity: .58; cursor: wait; }
#login-error { min-height: 18px; color: #b3261e; font-size: 12px; }
@media (max-width: 520px) { .login-card { padding: 28px 22px; } }