* { box-sizing: border-box; }
body { margin: 0; color: #0f172a; background: #f8fafc; font: 16px/1.5 system-ui, sans-serif; }
header, nav, main, footer, .status { padding: 1rem clamp(1rem, 4vw, 3rem); }
header { display: flex; justify-content: space-between; gap: 1rem; color: white; background: var(--secondary); }
header div { display: flex; gap: .75rem; flex-wrap: wrap; }
nav { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; background: white; border-bottom: 1px solid #cbd5e1; }
nav form { margin-left: auto; }
a { color: var(--primary); }
button { border: 0; border-radius: .4rem; padding: .6rem 1rem; color: white; background: var(--primary); cursor: pointer; }
.status { display: flex; justify-content: space-between; color: #475569; }
.status strong { color: #92400e; }
main { min-height: 60vh; }
.card { max-width: 52rem; padding: 1.25rem; border: 1px solid #cbd5e1; border-radius: .75rem; background: white; }
.narrow { max-width: 28rem; margin: 2rem auto; }
input, select, textarea { width: 100%; max-width: 36rem; padding: .55rem; }
footer { color: #64748b; }
@media (max-width: 640px) { header { flex-direction: column; } nav form { margin-left: 0; } }
.page-heading, .filters { display: flex; align-items: end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.filters { padding: 1rem; margin-bottom: 1rem; border: 1px solid #cbd5e1; background: white; }
.filters label { display: grid; gap: .25rem; }
.room-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.room-card { border-left: .4rem solid var(--primary); }
dt { font-weight: 700; } dd { margin: 0 0 .75rem; }