:root { color-scheme: light; font-family: Inter, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1d1d1f; background: #f5f5f7; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 50% -20%, #fff 0, #f5f5f7 45%, #ececef 100%); }
.page-shell { width: min(100% - 40px, 780px); margin: 0 auto; padding: 96px 0 72px; }
.hero { text-align: center; margin-bottom: 42px; }
.eyebrow { margin: 0 0 14px; color: #6e6e73; font-size: .75rem; font-weight: 700; letter-spacing: .14em; }
h1 { margin: 0; letter-spacing: -.055em; font-size: clamp(2.5rem, 7vw, 4.7rem); line-height: 1.07; }
.intro { max-width: 620px; margin: 22px auto 0; color: #515154; font-size: clamp(1rem, 2vw, 1.18rem); line-height: 1.75; }
.notice { margin: 14px 0 0; color: #86868b; font-size: .86rem; }
.finder, .result { border: 1px solid rgba(0, 0, 0, .08); border-radius: 24px; background: rgba(255, 255, 255, .78); box-shadow: 0 14px 45px rgba(0, 0, 0, .06); backdrop-filter: blur(14px); }
.finder { padding: 28px; }
.controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
label { display: grid; gap: 9px; color: #6e6e73; font-size: .82rem; font-weight: 600; }
select { width: 100%; min-height: 48px; padding: 0 34px 0 13px; border: 1px solid #d2d2d7; border-radius: 12px; background: #fff; color: #1d1d1f; font: inherit; outline: none; }
select:focus { border-color: #0071e3; box-shadow: 0 0 0 4px rgba(0, 113, 227, .14); }
select:disabled { color: #9a9aa0; background: #f5f5f7; }
button { width: 100%; margin-top: 22px; min-height: 52px; border: 0; border-radius: 13px; background: #0071e3; color: #fff; cursor: pointer; font: 600 1rem inherit; transition: transform .18s ease, background .18s ease, opacity .18s ease; }
button:hover:not(:disabled) { background: #0077ed; transform: translateY(-1px); }
button:disabled { background: #f28b35; cursor: not-allowed; opacity: .78; }
.helper { margin: 14px 2px 0; color: #86868b; font-size: .83rem; text-align: center; }
.result { margin-top: 20px; padding: 28px; }
.hidden { display: none; }
.result-label { margin: 0 0 20px; color: #515154; font-weight: 600; text-align: center; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.metrics article { padding: 22px; border-radius: 16px; background: #f5f5f7; text-align: center; }
.metrics p { margin: 0 0 7px; color: #6e6e73; font-size: .82rem; }
.metrics strong { font-size: clamp(1.4rem, 4vw, 2rem); letter-spacing: -.04em; }
.result-note { margin: 18px 0 0; color: #86868b; font-size: .8rem; line-height: 1.6; text-align: center; }
@media (max-width: 600px) { .page-shell { width: min(100% - 28px, 780px); padding-top: 64px; } .finder, .result { padding: 20px; border-radius: 20px; } .controls, .metrics { grid-template-columns: 1fr; } }