body { font-family: system-ui, sans-serif; margin: 0; background: #f6f6f4; color: #222; }
main { max-width: 1100px; margin: 0 auto; padding: 24px; }
section { background: white; margin: 16px 0; padding: 18px; border: 1px solid #ddd; border-radius: 8px; }
[hidden] { display: none !important; }
#auth-view { max-width: 420px; margin: 12vh auto 0; text-align: center; }
#auth-message { min-height: 1.5em; }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dashboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
input, select, button { padding: 8px; }
table { width: 100%; border-collapse: collapse; }
td, th { border-bottom: 1px solid #ddd; padding: 8px; text-align: left; }