:root { color-scheme: light; font-family: 'Noto Sans KR', 'Malgun Gothic', system-ui, sans-serif; color: #15213b; background: #f7faff; }
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid #5089df; outline-offset: 5px; }
.login-header { height: 88px; display: flex; align-items: center; padding: 0 max(24px, calc((100% - 1180px)/2)); border-bottom: 1px solid #e2e8f0; background: #fff; }
.login-header img { display: block; width: 190px; height: auto; }
.login-main { min-height: calc(100dvh - 88px); display: grid; place-items: center; padding: 64px 24px 96px; }
.login-panel { width: min(100%, 460px); padding: 48px 40px 32px; border: 1px solid #e2e8f0; border-radius: 20px; background: #fff; box-shadow: 0 14px 46px #002c8308; text-align: center; }
h1 { margin: 0; color: #0a1d43; font-size: 30px; letter-spacing: -.04em; line-height: 1.4; }
.login-intro { margin: 14px 0 34px; font-size: 14px; line-height: 1.7; color: #526077; word-break: keep-all; }
.provider-list { display: grid; gap: 12px; }
.provider-button { display: flex; align-items: center; justify-content: center; width: 100%; height: 56px; border-radius: 6px; text-decoration: none; overflow: hidden; transition: box-shadow .18s, transform .18s; }
.provider-button img { display: block; max-width: 100%; width: auto; height: 100%; object-fit: contain; }
.provider-naver { background: #03a94d; }
.provider-kakao { background: #fee500; }
.provider-google { background: #fff; border: 1px solid #747775; color: #1f1f1f; gap: 10px; padding: 0 12px; font-size: 14px; font-weight: 500; }
.provider-google img { height: 20px; width: 20px; object-fit: contain; }
.provider-button:hover { box-shadow: 0 4px 14px #15213b15; transform: translateY(-1px); }
.provider-button:active { transform: translateY(0); }
.login-home { display: inline-block; margin-top: 30px; font-size: 13px; color: #526077; text-underline-offset: 4px; }
.login-notice, .login-error { margin: 20px 0 0; font-size: 13px; line-height: 1.7; word-break: keep-all; }
.login-notice { color: #526077; }.login-error { color: #b42318; margin-bottom: 20px; }
[hidden] { display: none !important; }
.admin-login-form { display: grid; gap: 10px; text-align: left; }
.admin-login-form label { font-size: 13px; font-weight: 700; }
.admin-login-form input { width: 100%; min-width: 0; border: 1px solid #cbd5e1; border-radius: 8px; padding: 13px 14px; font: inherit; font-size: 16px; margin-bottom: 10px; background: #fff; color: #15213b; }
.admin-login-form button { min-height: 50px; margin-top: 8px; border: 0; border-radius: 8px; background: #002c83; color: #fff; font: inherit; font-weight: 700; cursor: pointer; }
.admin-login-form button:hover { background: #001b52; }
@media(max-width:600px) { .login-header { height: 72px; padding-inline: 20px; }.login-header img { width: 158px; }.login-main { min-height: calc(100dvh - 72px); padding: 40px 20px 64px; }.login-panel { padding: 32px 20px 26px; border-radius: 16px; }h1 { font-size: 26px; }.login-intro { font-size: 13px; margin-bottom: 28px; }.provider-button { height: 50px; } }
@media(prefers-reduced-motion:reduce) { .provider-button { transition: none; transform: none !important; } }