* { box-sizing: border-box; }
html, body { margin: 0; }
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    color: #1c1917;
    background: radial-gradient(900px 420px at 10% -10%, rgba(217, 119, 6, .12), transparent 60%), #fafaf9;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
}
.v-top { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid #e7e5e4; background: rgba(255, 255, 255, .8); }
.v-logo { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; overflow: hidden; background: #1c1917; color: #fff; flex: none; }
.v-logo img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.v-logo b { font-size: 14px; letter-spacing: .04em; }
.v-school { display: flex; flex-direction: column; }
.v-school strong { font-size: 16px; }
.v-school small { color: #78716c; font-size: 12px; }
.v-main { flex: 1; width: 100%; max-width: 980px; margin: 0 auto; padding: 22px 14px 40px; }
.v-card { max-width: 560px; margin: 30px auto; padding: 26px; border-radius: 18px; background: #fff; border: 1px solid #e7e5e4; box-shadow: 0 10px 30px rgba(0, 0, 0, .06); }
.v-card h1 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.02em; }
.v-card p { margin: 0 0 16px; color: #57534e; line-height: 1.6; }
.v-card.v-bad h1 { color: #b91c1c; }
.v-form { display: flex; gap: 8px; }
.v-form input { flex: 1; min-width: 0; font: inherit; font-size: 18px; letter-spacing: .12em; text-transform: uppercase; padding: 12px 14px; border-radius: 12px; border: 1px solid #d6d3d1; }
.v-form button, .v-btn { font: inherit; font-weight: 700; padding: 12px 18px; border-radius: 12px; border: 1px solid #d6d3d1; background: #fff; color: #1c1917; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; }
.v-form button, .v-btn.primary { background: #1c1917; border-color: #1c1917; color: #fff; }
.v-btn.wa { background: #16a34a; border-color: #16a34a; color: #fff; }
.v-btn:disabled { opacity: .6; }
.v-status { display: flex; gap: 16px; align-items: flex-start; padding: 18px 20px; border-radius: 18px; margin-bottom: 16px; border: 1px solid; }
.v-status.is-valid { background: #f0fdf4; border-color: #bbf7d0; }
.v-status.is-revoked { background: #fef2f2; border-color: #fecaca; }
.v-mark { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-size: 24px; font-weight: 800; color: #fff; flex: none; }
.is-valid .v-mark { background: #16a34a; }
.is-revoked .v-mark { background: #dc2626; }
.v-status h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: -.02em; }
.is-valid h1 { color: #166534; }
.is-revoked h1 { color: #991b1b; }
.v-status p { margin: 0 0 10px; color: #44403c; line-height: 1.55; }
.v-status dl { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; }
.v-status dt { font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #78716c; }
.v-status dd { margin: 0; font-weight: 700; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.v-doc { margin: 0; border-radius: 14px; overflow: hidden; background: #fff; box-shadow: 0 16px 40px rgba(0, 0, 0, .14); }
.v-doc svg.cert-doc { display: block; width: 100%; height: auto; }
.v-doc.is-revoked { position: relative; filter: grayscale(1); opacity: .55; }
.v-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 18px 0 8px; }
.v-cta { display: block; max-width: 420px; margin: 14px auto 0; padding: 14px 18px; border-radius: 14px; text-align: center; font-weight: 800; text-decoration: none; color: #fff; background: linear-gradient(135deg, #d97706, #db2777); box-shadow: 0 10px 24px rgba(219, 39, 119, .25); }
.v-foot { text-align: center; padding: 18px; color: #a8a29e; font-size: 12px; }
@media (max-width: 560px) {
    .v-form { flex-direction: column; }
    .v-status { padding: 14px; }
    .v-btn { flex: 1 1 45%; justify-content: center; }
}
@media print {
    body { background: #fff; display: block; min-height: 0; }
    .v-top, .v-status, .v-actions, .v-cta, .v-foot, .v-card { display: none !important; }
    .v-main { padding: 0; max-width: none; }
    .v-doc { box-shadow: none; border-radius: 0; }
    .v-doc svg.cert-doc { width: 100%; height: 100%; }
}