.usage-section { margin-top: 24px; padding-top: 22px; border-top: 1px solid #e1e8ef; min-width: 0; }
.usage-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.usage-heading h2, .usage-section h2 { font-size: 18px; margin: 0; }
.usage-heading > span, .usage-label, .usage-sub, .usage-note { color: #596b80; }
.usage-heading > span { font-size: 13px; }
.usage-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.usage-card { padding: 18px 16px; border: 1px solid #e1e8ef; background: #f7faff; border-radius: 12px; min-width: 0; }
.usage-label { display: block; font-size: 12px; line-height: 1.5; }
.usage-number { display: block; margin: 10px 0; font-size: clamp(19px, 2vw, 26px); font-weight: 650; line-height: 1.3; color: #215bd3; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.usage-sub { display: block; font-size: 12px; line-height: 1.65; font-weight: 400; letter-spacing: normal; }
.usage-note { font-size: 12px; line-height: 1.8; margin: 14px 0; }
.usage-meter { display: block; width: 100%; min-width: 70px; max-width: 160px; height: 8px; margin: 6px 0; background: #e6edf5; border-radius: 5px; border: none; }
.usage-meter::-webkit-meter-bar { background: #e6edf5; border: none; border-radius: 5px; }
.usage-meter::-webkit-meter-optimum-value { background: #2f9d89; border-radius: 5px; }
.usage-meter::-moz-meter-bar { background: #2f9d89; border-radius: 5px; }
.usage-explanation summary, .usage-recent summary { cursor: pointer; color: #3b5778; font-size: 13px; line-height: 1.7; }
.usage-explanation[open] { padding: 12px 14px; background: #f7f9fc; border-radius: 8px; }
.usage-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid #e1e8ef; border-radius: 9px; margin-top: 14px; }
.usage-table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.usage-table th, .usage-table td { padding: 12px 14px; text-align: left; vertical-align: middle; white-space: nowrap; border-bottom: 1px solid #e1e8ef; }
.usage-table th { color: #596b80; font-size: 12px; font-weight: 500; background: #f7f9fc; }
.usage-table tr:last-child td { border-bottom: none; }
.usage-balances { display: flex; flex-wrap: wrap; gap: 20px 60px; }
.usage-filters { margin-top: 18px; }
.admin-ui .usage-sub { color: var(--muted); }
.admin-ui .key-usage-list { min-width: 720px; table-layout: fixed; }
.admin-ui .key-usage-list th, .admin-ui .key-usage-list td { white-space: normal; overflow-wrap: anywhere; padding: 14px 12px; }
.admin-ui .key-usage-list th:nth-child(1) { width: 18%; }
.admin-ui .key-usage-list th:nth-child(2) { width: 17%; }
.admin-ui .key-usage-list th:nth-child(3) { width: 21%; }
.admin-ui .key-usage-list th:nth-child(4) { width: 16%; }
.admin-ui .key-usage-list th:nth-child(5) { width: 18%; }
.admin-ui .key-usage-list th:nth-child(6) { width: 10%; }
.usage-list-charge { margin-top: 10px; }
.usage-list-total { font-size: 20px; color: #215bd3; }
.usage-key-actions summary { color: #215bd3; font-size: 12px; }
.usage-key-actions[open] { min-width: 170px; }
@media (max-width: 1150px) { .admin-ui .usage-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 800px) { .usage-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 480px) { .usage-card { padding: 14px 12px; } .usage-cards { gap: 8px; } .usage-number { font-size: 20px; } .usage-table th, .usage-table td { padding: 10px; } }