:root {
  color-scheme: light;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #151513;
  background: #FAFAF7;
  font-synthesis: none;
  --accent: #2D5B4B;
  --muted: #60615A;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 280px; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 4px; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.page-shell { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 88px; border-bottom: 1px solid #E2E3DB; }
.brand { color: #151513; font-size: 20px; font-weight: 750; letter-spacing: -0.6px; text-decoration: none; white-space: nowrap; }
nav { display: flex; align-items: center; gap: 12px; font-size: 14px; }
nav a, .text-button { display: inline-flex; align-items: center; min-height: 44px; }
nav form { margin: 0; }
.text-button { padding: 8px 0; border: 0; background: transparent; color: var(--accent); }
main { min-height: calc(100svh - 180px); }
h1 { margin: 12px 0 16px; font-size: clamp(28px, 6vw, 40px); line-height: 1.3; letter-spacing: -1.2px; word-break: keep-all; }
.eyebrow { margin: 0; color: var(--accent); font-size: 14px; font-weight: 650; }
.description { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; word-break: keep-all; }
.login-panel { max-width: 400px; margin: 0 auto; padding: 72px 0; }
.login-form { margin-top: 36px; }
.field { display: flex; flex-direction: column; gap: 9px; margin-bottom: 22px; }
label { font-size: 14px; font-weight: 600; }
input { width: 100%; min-height: 52px; padding: 12px 14px; border: 1px solid #BFC3B7; border-radius: 8px; background: #FFFFFF; color: #151513; font-size: 16px; }
.primary-button { width: 100%; min-height: 52px; margin-top: 8px; padding: 12px 20px; border: 1px solid var(--accent); border-radius: 8px; color: #FFFFFF; background: var(--accent); font-weight: 650; }
.primary-button:hover { background: #234739; }
.form-error { margin: 0 0 24px; padding: 14px; border: 1px solid #D9BDB4; border-radius: 8px; color: #8F3523; background: #FFF5F1; font-size: 14px; line-height: 1.5; }
.welcome { padding: 104px 0; }
footer { padding: 28px 0; color: var(--muted); font-size: 13px; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 12px; background: #FFFFFF; z-index: 1; }
.skip-link:focus { top: 12px; }
@media (max-width: 420px) {
  .page-shell { padding: 0 20px; }
  .site-header { min-height: 76px; }
  .login-panel { padding: 52px 0; }
  .welcome { padding: 80px 0; }
}