* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, sans-serif; color: #1f2933; background: #f5f7fa; }
a { color: inherit; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; gap: 14px; align-items: center; justify-content: space-between; padding: 12px 16px; background: #101820; color: white; }
.brand { font-weight: 700; text-decoration: none; white-space: nowrap; }
nav { display: flex; gap: 10px; overflow-x: auto; }
nav a { color: #d9e2ec; text-decoration: none; font-size: 14px; white-space: nowrap; }
.page { width: min(880px, 100%); margin: 0 auto; padding: 18px 14px 40px; }
.hero { padding: 8px 2px 18px; }
h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.1; }
h2 { margin: 0 0 8px; font-size: 18px; }
p { line-height: 1.45; }
.panel { background: white; border: 1px solid #d9e2ec; border-radius: 8px; padding: 16px; margin-bottom: 14px; }
.form { display: grid; gap: 13px; }
.grid { display: grid; gap: 13px; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 700; }
input, select { width: 100%; min-height: 44px; border: 1px solid #bcccdc; border-radius: 6px; padding: 9px 10px; font: inherit; background: white; }
button, .button-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border: 0; border-radius: 6px; padding: 10px 14px; background: #d7263d; color: white; font-weight: 700; text-decoration: none; cursor: pointer; }
button.secondary { background: #334e68; }
.check { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 8px; font-weight: 400; }
.check input { width: auto; min-height: 0; }
.status { margin-bottom: 10px; color: #334e68; }
.status.error { color: #b42318; }
.status.success { color: #147d64; }
.list { display: grid; gap: 12px; }
.item { border-bottom: 1px solid #eef2f6; padding-bottom: 12px; }
.item:last-child { border-bottom: 0; padding-bottom: 0; }
.price { font-weight: 700; }
.muted, .muted-text { color: #52606d; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
@media (min-width: 680px) { .grid { grid-template-columns: repeat(3, 1fr); } h1 { font-size: 38px; } }