:root { font-family: Inter, ui-sans-serif, system-ui, sans-serif; color: #202124; background: #f3f5f7; }
* { box-sizing: border-box; } body { margin: 0; min-height: 100vh; }
main { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card { width: min(680px, 100%); padding: clamp(24px, 6vw, 52px); background: #fff; border: 1px solid #e2e6ea; border-radius: 24px; box-shadow: 0 18px 55px #1f293714; }
.eyebrow { margin: 0 0 8px; color: #1967d2; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(1.8rem, 5vw, 2.65rem); line-height: 1.08; } .intro { margin: 14px 0 30px; color: #697079; }
label { display: block; margin-bottom: 8px; font-size: .9rem; font-weight: 700; } .input-row { display: flex; gap: 10px; }
input { min-width: 0; flex: 1; padding: 14px 16px; border: 1px solid #c8cdd2; border-radius: 12px; font: inherit; }
input:focus { outline: 3px solid #1a73e822; border-color: #1a73e8; }
button { padding: 14px 22px; border: 0; border-radius: 12px; color: #fff; background: #1a73e8; font: inherit; font-weight: 750; cursor: pointer; }
button:hover { background: #155fc0; } button:disabled { opacity: .6; cursor: wait; }
.status { min-height: 24px; margin: 16px 0 0; color: #59636e; } .status.error { color: #b3261e; }
.progress-box { margin-top: 22px; }
.progress-caption { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 9px; color: #59636e; font-size: .9rem; }
.progress-caption strong { color: #1a73e8; font-variant-numeric: tabular-nums; }
#progress-bar, .rating-bar { display: block; width: 100%; overflow: hidden; border: 0; border-radius: 99px; background: #edf0f2; appearance: none; }
#progress-bar { height: 12px; }
#progress-bar::-webkit-progress-bar, .rating-bar::-webkit-progress-bar { background: #edf0f2; border-radius: 99px; }
#progress-bar::-webkit-progress-value { background: #1a73e8; border-radius: 99px; transition: width .35s ease; }
#progress-bar::-moz-progress-bar { background: #1a73e8; border-radius: 99px; transition: width .35s ease; }
.result { margin-top: 26px; border-top: 1px solid #e6e9ec; padding-top: 26px; } .summary { display: flex; gap: 54px; margin-bottom: 26px; }
.summary span { display: block; font-size: 2rem; font-weight: 800; } .summary small { color: #737b84; }
.rating-row { display: grid; grid-template-columns: 42px 1fr 70px; align-items: center; gap: 12px; margin: 11px 0; }
.rating-row > span { color: #9a6700; font-weight: 700; } .rating-row strong { text-align: right; font-variant-numeric: tabular-nums; }
.rating-bar { height: 10px; }
.rating-bar::-webkit-progress-value { background: #fbbc04; border-radius: 99px; }
.rating-bar::-moz-progress-bar { background: #fbbc04; border-radius: 99px; }
@media (max-width: 560px) { .input-row { flex-direction: column; } button { width: 100%; } }