:root { color-scheme: light; font-family: system-ui, sans-serif; }
body { margin: 0; background: #f4f6f8; color: #15202b; }
main { max-width: 70rem; margin: 5vh auto; padding: 2rem; background: white; border-radius: .75rem; box-shadow: 0 8px 30px #0001; }
form { display: grid; gap: 1rem; }
label { display: grid; gap: .35rem; font-weight: 600; }
input, select, button { box-sizing: border-box; width: 100%; padding: .75rem; font: inherit; border: 1px solid #9aa4ad; border-radius: .4rem; }
button { background: #075985; color: white; border: 0; font-weight: 700; cursor: pointer; }
button.secondary { margin-top: 1.5rem; background: #475569; }
.notice { padding: .8rem; border-radius: .4rem; background: #e0f2fe; }
.filters { grid-template-columns: minmax(15rem, 2fr) minmax(12rem, 1fr) auto; align-items: end; }
.filters button { width: auto; min-width: 7rem; }
.contract-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.contract-card { border: 1px solid #d5dce2; border-radius: .6rem; padding: 1rem; }
.contract-card h2 { margin: 0 0 .4rem; font-size: 1.1rem; }
.contract-card p { color: #52606d; }
.status { display: inline-block; padding: .25rem .55rem; border-radius: 999px; background: #e0f2fe; color: #075985; font-size: .85rem; font-weight: 700; }
.empty { padding: 2rem; text-align: center; color: #52606d; }
@media (max-width: 700px) {
  main { margin: 0; min-height: 100vh; border-radius: 0; padding: 1.25rem; }
  .filters { grid-template-columns: 1fr; }
  .filters button { width: 100%; }
}