.app-404{color:#191f28;box-sizing:border-box;background:#f2f4f6;place-items:center;min-height:100vh;padding:24px 16px;font-family:Pretendard,Noto Sans KR,sans-serif;display:grid}.app-404__card{text-align:center;box-sizing:border-box;background:#fff;border-radius:24px;width:min(400px,100%);padding:44px 32px 32px;box-shadow:0 8px 32px #001b3714}.app-404__brand{letter-spacing:.14em;color:#6d28d9;margin:0 0 20px;font-size:13px;font-weight:700}.app-404__code{letter-spacing:-.03em;color:#ede9fe;margin:0;font-size:64px;font-weight:800;line-height:1}.app-404__title{letter-spacing:-.02em;margin:16px 0 10px;font-size:22px;font-weight:700}.app-404__desc{color:#6b7684;margin:0 0 28px;font-size:14.5px;line-height:1.6}.app-404__actions{gap:8px;display:grid}.app-404__btn{color:#4e5968;background:#f2f4f6;border-radius:14px;justify-content:center;align-items:center;min-height:52px;font-size:15px;font-weight:600;text-decoration:none;transition:background .15s;display:flex}.app-404__btn:hover{background:#e5e8eb}.app-404__btn--primary{color:#fff;background:#6d28d9}.app-404__btn--primary:hover{background:#5b21b6}