* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; margin: 0; background: #f4f6f8; color: #222; }
.nav { display: flex; justify-content: space-between; align-items: center; background: #1d3557; color: #fff; padding: 12px 24px; }
.nav a { color: #fff; margin-left: 16px; text-decoration: none; }
.nav .brand { font-weight: bold; margin-left: 0; }
.nav-right { display: flex; align-items: center; gap: 8px; }
.container { max-width: 900px; margin: 24px auto; padding: 0 16px; }
.card { background: #fff; border-radius: 8px; padding: 16px; margin-bottom: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.card label { display: flex; flex-direction: column; font-size: 14px; gap: 4px; }
input, select, button { padding: 8px; border-radius: 4px; border: 1px solid #ccc; font-size: 14px; }
button { background: #1d3557; color: #fff; border: none; cursor: pointer; }
.link-btn { background: none; color: #e63946; border: none; cursor: pointer; padding: 0; text-decoration: underline; font-size: 13px; }
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; }
.table th, .table td { padding: 10px; border-bottom: 1px solid #eee; text-align: left; }
.alert { background: #ffe5e5; color: #b00020; padding: 12px; border-radius: 6px; margin-bottom: 16px; }
.login-wrap { max-width: 400px; margin: 80px auto; text-align: center; }
.google-btn { display: inline-block; margin-top: 16px; background: #4285F4; color: #fff; padding: 10px 20px; border-radius: 4px; text-decoration: none; }