:root { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #15324e; background: #edf3f9; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
main { width: 100%; max-width: 420px; background: white; border: 1px solid #ccd9e5; border-radius: 16px; padding: 36px; }
.brand { font-size: 25px; font-weight: 700; margin: 0 0 32px; }
.brand span { font-weight: 400; color: #47647e; }
h1 { font-size: 30px; margin: 0 0 12px; }
p { color: #496176; line-height: 1.5; }
label { display: block; font-size: 14px; font-weight: 600; margin: 24px 0 8px; }
input, button { width: 100%; border-radius: 7px; padding: 13px; font: inherit; }
input { border: 1px solid #91a9bf; color: inherit; }
button { background: #1859a0; border: 1px solid #1859a0; color: white; font-weight: 600; margin-top: 18px; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
input:focus-visible, button:focus-visible { outline: 3px solid #358ad4; outline-offset: 3px; }
#error { color: #a33126; min-height: 24px; font-size: 14px; margin-bottom: 0; }