body { font-family: Arial, sans-serif; margin: 0; background: #f7f7f7; color: #222; padding-bottom: 56px; }
#topbar { background: #333; padding: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
#topbar button { background: #555; color: #fff; border: none; padding: 8px 12px; cursor: pointer; border-radius: 4px; font-size: 14px; }
#topbar button.active { background: #1a73e8; }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; }
h2 { font-size: 18px; margin-top: 24px; }
.muted { color: #666; font-size: 14px; }
.note { background: #fff3cd; border: 1px solid #e6c87a; padding: 10px; border-radius: 6px; margin: 12px 0; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { border: 1px solid #ddd; padding: 8px 10px; text-align: left; white-space: nowrap; }
th { background: #eee; }
th.clickable, tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: #eef4ff; }
td.total { font-weight: bold; background: #f2f2f2; }
input[type="number"] { width: 110px; padding: 6px; font-size: 15px; }
.form-row { margin: 14px 0; display: flex; gap: 10px; }
.btn { padding: 10px 16px; font-size: 15px; cursor: pointer; border: 1px solid #999; background: #fff; border-radius: 6px; }
.btn.primary { background: #1a73e8; color: #fff; border-color: #1a73e8; }
#detailBar { position: fixed; left: 0; right: 0; bottom: 0; background: #222; color: #fff; padding: 12px 16px; font-size: 15px; z-index: 10; white-space: nowrap; overflow-x: auto; }