@font-face { font-family: "Archivo"; src: url("/fonts/archivo-wdth.woff2") format("woff2"); font-weight: 100 900; font-stretch: 62% 125%; font-display: swap; }

:root {
  --desk: #E4E6E3; --ink: #16181B; --ink2: #3C4249; --red: #A81F16; --blue: #C4DAF0; --pink: #F3C9D3; --yellow: #F3E27C;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* { box-sizing: border-box; }
html { color-scheme: light; scrollbar-color: var(--ink2) var(--desk); }
body { margin: 0; min-height: 100vh; background: var(--desk); color: var(--ink); font: 400 16px/1.5 "Archivo", system-ui, sans-serif; font-stretch: 100%; }
::selection { background: var(--ink); color: #fff; }
.login { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr); align-content: center; justify-items: start; gap: 12px; padding: 32px 24px; max-width: 460px; margin: 0 auto; }
.mark { margin: 0; font-size: clamp(3.5rem, 18vw, 6rem); line-height: 0.88; font-weight: 850; font-stretch: 64%; letter-spacing: -0.02em; }
.who { margin: 0 0 12px; color: var(--ink2); max-width: 36ch; }
.sheet { width: 100%; background: #fff; padding: 24px; border-radius: 3px; box-shadow: 0 1px 2px rgba(22,24,27,.18), 0 14px 28px -18px rgba(22,24,27,.35); display: grid; gap: 6px; }
#change { background: var(--yellow); }
h2 { margin: 0; font-size: 1.5rem; font-weight: 800; font-stretch: 70%; letter-spacing: -0.01em; }
.hint { margin: 0 0 8px; color: var(--ink2); }
label { font-weight: 600; font-size: 0.875rem; margin-top: 8px; }
input { font: inherit; padding: 10px 12px; border: 1px solid var(--ink); border-radius: 2px; background: #fff; color: var(--ink); caret-color: var(--red); width: 100%; }
input::placeholder { color: #5A6169; }
input:focus-visible, button:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
button { margin-top: 16px; font: inherit; font-weight: 700; padding: 12px 16px; border: 0; border-radius: 2px; background: var(--ink); color: #fff; cursor: pointer; transition: background-color .18s var(--ease), transform .18s var(--ease); }
button:hover { background: #2E343B; }
button:active { transform: translateY(1px); }
button[disabled] { background: #5A6169; cursor: progress; }
.error { margin: 8px 0 0; color: var(--red); font-weight: 600; }
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }