:root {
  color: var(--foreground);
  background: var(--muted);
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; }
a { color: inherit; }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(320px, 1.05fr) minmax(460px, .95fr); }
.login-intro { min-height: 100%; padding: clamp(32px, 6vw, 96px); display: flex; flex-direction: column; color: var(--card); background: var(--primary); }
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; color: var(--card); font-size: 16px; font-weight: 800; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid color-mix(in srgb, var(--card) 50%, transparent); border-radius: var(--radius-md); font-family: Georgia, serif; font-size: 19px; }
.intro-copy { margin: auto 0; max-width: 520px; }
.eyebrow { margin: 0 0 14px; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.intro-copy h1 { margin: 0; font-size: clamp(38px, 4.4vw, 67px); line-height: 1.12; letter-spacing: -.06em; }
.intro-copy > p:last-child { max-width: 350px; margin: 26px 0 0; color: color-mix(in srgb, var(--card) 78%, transparent); font-size: 16px; line-height: 1.7; }
.intro-footer { margin: 0; color: color-mix(in srgb, var(--card) 55%, transparent); font-size: 12px; }

.login-panel { display: grid; min-height: 100%; place-items: center; padding: 32px; }
.login-card { display: grid; gap: 21px; width: min(100%, 400px); }
.login-card .eyebrow { color: var(--muted-foreground); }
.login-card h2 { margin: 0; font-size: 32px; letter-spacing: -.055em; }
.login-description { margin: 9px 0 0; color: var(--muted-foreground); font-size: 14px; }
.login-card > label { display: grid; gap: 9px; color: var(--foreground); font-size: 13px; font-weight: 700; }
.login-card input:not([type="checkbox"]) { width: 100%; height: 50px; padding: 0 14px; border: 1px solid var(--border); border-radius: var(--radius-md); outline: none; background: var(--card); color: var(--foreground); font: inherit; transition: border-color .16s, box-shadow .16s; }
.login-card input:not([type="checkbox"]):focus { border-color: var(--ring); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 25%, transparent); }
.login-options { display: flex; justify-content: space-between; gap: 16px; align-items: center; color: var(--muted-foreground); font-size: 12px; }
.login-options a { color: var(--foreground); font-weight: 700; }
.remember { display: inline-flex; align-items: center; gap: 7px; }
.remember input { width: 15px; height: 15px; accent-color: var(--primary); }
.login-submit { height: 52px; border: 0; border-radius: var(--radius-md); background: var(--primary); color: var(--card); font: inherit; font-size: 15px; font-weight: 800; cursor: pointer; transition: background .16s, transform .16s; }
.login-submit:hover { background: var(--primary-hover); }
.login-submit:active { transform: translateY(1px); }
.login-notice { min-height: 18px; margin: -4px 0 0; color: var(--muted-foreground); font-size: 12px; line-height: 1.5; text-align: center; }

@media (max-width: 760px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-intro { min-height: 270px; padding: 28px; }
  .intro-copy { margin: auto 0 18px; }
  .intro-copy h1 { font-size: 36px; }
  .intro-copy > p:last-child { margin-top: 13px; font-size: 13px; }
  .login-panel { padding: 42px 24px 48px; }
}