* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; background: #f4f5f7; color: #1f2430; line-height: 1.5; }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; background: #1f2430; padding: .8rem 1.5rem; }
header a { color: #fff; text-decoration: none; }
.brand { font-weight: bold; font-size: 1.2rem; }
nav a { margin-left: 1rem; color: #cbd0dc; }
nav a:hover { color: #fff; }
main { max-width: 760px; margin: 1.5rem auto; padding: 0 1rem; }
a { color: #2563eb; }
.card { background: #fff; border-radius: 8px; padding: 1rem 1.2rem; margin-bottom: 1rem; box-shadow: 0 1px 3px rgba(0, 0, 0, .08); }
.card h2 { margin: 0 0 .2rem; }
.muted { color: #6b7280; font-size: .9rem; }
.flash { background: #fef3c7; border: 1px solid #f59e0b; padding: .6rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
form { margin: 1rem 0; }
label { display: block; margin-bottom: .8rem; font-weight: 600; }
input, textarea { display: block; width: 100%; padding: .5rem; margin-top: .2rem; border: 1px solid #cbd0dc; border-radius: 6px; font: inherit; }
.search { display: flex; gap: .5rem; }
.search input { margin: 0; }
button { background: #2563eb; color: #fff; border: 0; padding: .5rem 1rem; border-radius: 6px; font: inherit; cursor: pointer; }
button.danger { background: #dc2626; }
.body { background: #fff; padding: 1rem 1.2rem; border-radius: 8px; margin-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: .6rem 1rem; border-bottom: 1px solid #e5e7eb; }