:root {
    --ledger-bg: #f2f0e8;
    --ledger-paper: #fffdf6;
    --ledger-ink: #14201f;
    --ledger-muted: #68716d;
    --ledger-line: #cfd2c8;
    --ledger-line-strong: #14201f;
    --ledger-accent: #b7f34b;
    --ledger-accent-dark: #6fa60e;
    --ledger-orange: #ed6a36;
    --ledger-shadow: 0 24px 60px rgba(20, 32, 31, 0.12);
    --font-display: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-data: "SF Mono", "Cascadia Code", "PingFang SC", monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

[hidden] {
    display: none !important;
}

body {
    min-height: 100vh;
    background:
        linear-gradient(rgba(20, 32, 31, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 32, 31, 0.035) 1px, transparent 1px),
        var(--ledger-bg);
    background-size: 32px 32px;
    color: var(--ledger-ink);
    font-family: var(--font-display);
    font-size: 17px;
    line-height: 1.55;
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 3px solid var(--ledger-orange);
    outline-offset: 3px;
}

.usage-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(1440px, calc(100% - 64px));
    min-height: 88px;
    margin: 0 auto;
    border-bottom: 1px solid var(--ledger-line-strong);
}

.usage-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ledger-ink);
    text-decoration: none;
}

.usage-brand__mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--ledger-ink);
    border-radius: 50%;
    background: var(--ledger-accent);
}

.usage-brand__mark i {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--ledger-ink);
    box-shadow: 0 0 0 5px var(--ledger-paper);
}

.usage-brand span:last-child {
    display: grid;
    line-height: 1.05;
}

.usage-brand strong {
    font-size: 14px;
    letter-spacing: 0.08em;
}

.usage-brand small {
    margin-top: 5px;
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 10px;
    letter-spacing: 0.22em;
}

.usage-header__back {
    color: var(--ledger-ink);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.usage-header__back span {
    display: inline-block;
    margin-left: 8px;
    transition: transform 180ms ease;
}

.usage-header__back:hover span {
    transform: translate(3px, -3px);
}

.usage-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1.15fr);
    gap: clamp(40px, 7vw, 112px);
    width: min(1320px, calc(100% - 96px));
    margin: 0 auto;
    padding: clamp(68px, 9vw, 132px) 0 90px;
}

.usage-shell > * {
    min-width: 0;
}

.usage-intro,
.usage-query {
    animation: usage-rise 420ms cubic-bezier(.2, .8, .2, 1) both;
}

.usage-query {
    animation-delay: 80ms;
}

.usage-intro__index,
.usage-intro__eyebrow,
.usage-query__topline,
.usage-result__eyebrow {
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.17em;
    text-transform: uppercase;
}

.usage-intro__index {
    display: inline-block;
    padding-bottom: 7px;
    border-bottom: 2px solid var(--ledger-ink);
}

.usage-intro__eyebrow {
    margin-top: 50px;
    color: var(--ledger-accent-dark);
}

.usage-intro h1 {
    margin-top: 14px;
    font-size: clamp(46px, 5.7vw, 78px);
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.usage-intro h1 em {
    position: relative;
    display: inline-block;
    color: var(--ledger-paper);
    font-family: var(--font-data);
    font-size: 0.85em;
    font-style: normal;
    letter-spacing: -0.06em;
    z-index: 0;
}

.usage-intro h1 em::before {
    position: absolute;
    inset: 7% -0.12em -1% -0.08em;
    z-index: -1;
    background: var(--ledger-ink);
    content: "";
    transform: rotate(-1.2deg);
}

.usage-intro__description {
    max-width: 570px;
    margin-top: 32px;
    color: var(--ledger-muted);
    font-size: 18px;
}

.usage-trust {
    display: grid;
    gap: 0;
    max-width: 570px;
    margin-top: 48px;
    border-top: 1px solid var(--ledger-line-strong);
    list-style: none;
}

.usage-trust li {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--ledger-line);
    color: var(--ledger-muted);
    font-size: 14px;
}

.usage-trust span {
    color: var(--ledger-ink);
    font-family: var(--font-data);
    font-size: 11px;
}

.usage-query {
    align-self: start;
    padding: clamp(30px, 4vw, 54px);
    border: 1px solid var(--ledger-line-strong);
    background: var(--ledger-paper);
    box-shadow: var(--ledger-shadow);
}

.usage-query__topline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--ledger-line);
}

.usage-query__status {
    color: var(--ledger-muted);
    letter-spacing: 0;
    text-transform: none;
}

.usage-query__status i {
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 7px;
    border-radius: 50%;
    background: var(--ledger-accent-dark);
    box-shadow: 0 0 0 4px rgba(111, 166, 14, 0.12);
}

.usage-query h2 {
    margin-top: 44px;
    font-size: clamp(28px, 3vw, 42px);
    letter-spacing: -0.035em;
}

.usage-query > p {
    margin-top: 7px;
    color: var(--ledger-muted);
    font-size: 15px;
}

.usage-query form {
    margin-top: 40px;
}

.usage-query label {
    display: block;
    margin-bottom: 10px;
    font-size: 13px;
    font-weight: 800;
}

.usage-key-field {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    min-height: 64px;
    border: 1px solid var(--ledger-line-strong);
    background: #f8f6ee;
}

.usage-key-field > span {
    margin-left: 18px;
    padding: 5px 8px;
    background: var(--ledger-ink);
    color: var(--ledger-paper);
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 800;
}

.usage-key-field input {
    min-width: 0;
    padding: 18px 14px;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ledger-ink);
    font-family: var(--font-data);
    font-size: 14px;
}

.usage-key-field input::placeholder {
    color: #969b95;
}

.usage-key-field button {
    align-self: stretch;
    padding: 0 17px;
    border: 0;
    border-left: 1px solid var(--ledger-line);
    background: transparent;
    color: var(--ledger-muted);
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
}

.usage-query__hint {
    margin-top: 10px;
    color: var(--ledger-muted);
    font-size: 12px;
}

.usage-query__error {
    margin-top: 16px;
    padding: 12px 14px;
    border-left: 4px solid var(--ledger-orange);
    background: rgba(237, 106, 54, 0.09);
    color: #9d3513;
    font-size: 14px;
}

.usage-query__submit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 64px;
    margin-top: 28px;
    padding: 0 22px;
    border: 1px solid var(--ledger-ink);
    background: var(--ledger-accent);
    color: var(--ledger-ink);
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.usage-query__submit:hover:not(:disabled) {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--ledger-ink);
}

.usage-query__submit:disabled {
    cursor: wait;
    opacity: 0.65;
}

.usage-query__submit i {
    font-family: var(--font-data);
    font-size: 22px;
    font-style: normal;
}

.usage-resources {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.usage-pricing-entry {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    width: 100%;
    min-height: 82px;
    padding: 16px;
    border: 1px solid var(--ledger-ink);
    background: var(--ledger-ink);
    color: var(--ledger-paper);
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.usage-pricing-entry:hover {
    transform: translate(-3px, -3px);
    box-shadow: 6px 6px 0 var(--ledger-accent);
}

.usage-pricing-entry__index {
    grid-column: 1 / -1;
    color: var(--ledger-accent);
    font-family: var(--font-data);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.usage-pricing-entry__copy {
    display: grid;
    min-width: 0;
}

.usage-pricing-entry__copy strong {
    font-size: 17px;
}

.usage-pricing-entry__copy small {
    margin-top: 2px;
    color: rgba(255, 253, 246, 0.76);
    font-size: 12px;
}

.usage-pricing-entry > i {
    color: var(--ledger-accent);
    font-family: var(--font-data);
    font-size: 22px;
    font-style: normal;
}

.usage-saved {
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--ledger-line-strong);
}

.usage-saved > header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 18px;
}

.usage-saved > header span {
    color: var(--ledger-accent-dark);
    font-family: var(--font-data);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.usage-saved h3 {
    margin-top: 2px;
    font-size: 24px;
    letter-spacing: -0.03em;
}

.usage-saved__actions {
    display: flex;
    gap: 8px;
}

.usage-saved__actions button {
    padding: 7px 10px;
    border: 1px solid var(--ledger-line);
    background: transparent;
    color: var(--ledger-muted);
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
}

.usage-saved__actions button:hover:not(:disabled) {
    border-color: var(--ledger-ink);
    color: var(--ledger-ink);
}

.usage-saved__actions button:disabled {
    cursor: wait;
    opacity: 0.5;
}

.usage-saved__list {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.usage-saved-key {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    border: 1px solid var(--ledger-line);
    background: #f8f6ee;
    transition: border-color 150ms ease, transform 150ms ease;
}

.usage-saved-key:hover,
.usage-saved-key.is-active {
    border-color: var(--ledger-ink);
}

.usage-saved-key.is-active {
    box-shadow: inset 5px 0 0 var(--ledger-accent-dark);
    transform: translateX(3px);
}

.usage-saved-key.has-error {
    border-color: rgba(237, 106, 54, 0.72);
}

.usage-saved-key__select {
    display: grid;
    min-width: 0;
    padding: 14px 16px 13px;
    border: 0;
    background: transparent;
    color: var(--ledger-ink);
    text-align: left;
    cursor: pointer;
}

.usage-saved-key__name,
.usage-saved-key__meta,
.usage-saved-key__quota {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.usage-saved-key__name {
    padding-right: 6px;
    font-size: 15px;
    font-weight: 900;
}

.usage-saved-key__meta,
.usage-saved-key__quota {
    font-family: var(--font-data);
    font-size: 10px;
}

.usage-saved-key__meta {
    margin-top: 3px;
    color: var(--ledger-muted);
}

.usage-saved-key.has-error .usage-saved-key__meta {
    color: #9d3513;
}

.usage-saved-key__quota {
    margin-top: 9px;
    color: var(--ledger-ink);
    font-weight: 800;
}

.usage-saved-key__track {
    display: block;
    height: 4px;
    margin-top: 7px;
    overflow: hidden;
    background: #dddcd4;
}

.usage-saved-key__track b,
.usage-quota__track i {
    display: block;
    height: 100%;
    background: var(--ledger-accent-dark);
    transition: width 260ms ease;
}

.usage-saved-key__track .is-warning,
.usage-quota__track .is-warning {
    background: #d58c14;
}

.usage-saved-key__track .is-danger,
.usage-quota__track .is-danger {
    background: var(--ledger-orange);
}

.usage-saved-key__track.is-unlimited,
.usage-quota__track.is-unlimited {
    background: repeating-linear-gradient(
        135deg,
        rgba(111, 166, 14, 0.22) 0,
        rgba(111, 166, 14, 0.22) 8px,
        rgba(111, 166, 14, 0.08) 8px,
        rgba(111, 166, 14, 0.08) 16px
    );
}

.usage-saved-key__track.is-unlimited b,
.usage-quota__track.is-unlimited i {
    opacity: 0;
}

.usage-saved-key__remove {
    align-self: stretch;
    min-width: 52px;
    padding: 0 10px;
    border: 0;
    border-left: 1px solid var(--ledger-line);
    background: transparent;
    color: var(--ledger-muted);
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
}

.usage-saved-key__remove:hover {
    background: rgba(237, 106, 54, 0.1);
    color: #9d3513;
}

.usage-result {
    grid-column: 1 / -1;
    margin-top: 16px;
    border: 1px solid var(--ledger-line-strong);
    background: var(--ledger-paper);
    box-shadow: var(--ledger-shadow);
    animation: usage-rise 360ms cubic-bezier(.2, .8, .2, 1) both;
}

.usage-result__header,
.usage-result__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 34px;
}

.usage-result__header {
    border-bottom: 1px solid var(--ledger-line-strong);
}

.usage-result__eyebrow {
    color: var(--ledger-accent-dark);
}

.usage-result__header h2 {
    margin-top: 5px;
    font-size: 34px;
    letter-spacing: -0.035em;
}

.usage-result__header p {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 6px;
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 12px;
}

.usage-result__header b {
    color: var(--ledger-line);
}

.usage-change-key {
    padding: 10px 16px;
    border: 1px solid var(--ledger-ink);
    background: transparent;
    color: var(--ledger-ink);
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.usage-change-key:hover {
    background: var(--ledger-ink);
    color: var(--ledger-paper);
}

.usage-result__toolbar {
    padding-top: 18px;
    padding-bottom: 18px;
    background: #eeece3;
}

.usage-period {
    display: inline-flex;
    border: 1px solid var(--ledger-line-strong);
}

.usage-period button {
    min-width: 86px;
    padding: 10px 15px;
    border: 0;
    border-right: 1px solid var(--ledger-line-strong);
    background: transparent;
    color: var(--ledger-muted);
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
}

.usage-period button:last-child {
    border-right: 0;
}

.usage-period button.is-active {
    background: var(--ledger-ink);
    color: var(--ledger-paper);
}

.usage-date-range {
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 12px;
}

.usage-quota {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) minmax(320px, 1.2fr);
    gap: 46px;
    align-items: center;
    padding: 30px 34px 32px;
    border-top: 1px solid var(--ledger-line);
    border-bottom: 1px solid var(--ledger-line-strong);
    background: var(--ledger-ink);
    color: var(--ledger-paper);
}

.usage-quota__copy > span,
.usage-quota__labels span,
.usage-quota__meter small {
    color: rgba(255, 253, 246, 0.62);
}

.usage-quota__copy > span {
    font-family: var(--font-data);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.usage-quota__copy h3 {
    margin-top: 5px;
    overflow-wrap: anywhere;
    font-family: var(--font-data);
    font-size: clamp(24px, 3vw, 38px);
    letter-spacing: -0.05em;
    line-height: 1.2;
}

.usage-quota__copy p {
    margin-top: 6px;
    color: var(--ledger-accent);
    font-size: 14px;
    font-weight: 800;
}

.usage-quota__labels {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    font-size: 13px;
}

.usage-quota__labels strong {
    color: var(--ledger-accent);
    font-family: var(--font-data);
    font-size: 24px;
}

.usage-quota__track {
    height: 12px;
    margin-top: 10px;
    overflow: hidden;
    background: rgba(255, 253, 246, 0.16);
}

.usage-quota__meter small {
    display: block;
    margin-top: 9px;
    font-size: 11px;
}

.usage-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--ledger-line);
    border-bottom: 1px solid var(--ledger-line-strong);
}

.usage-summary article {
    position: relative;
    min-width: 0;
    padding: 28px 32px 32px;
    overflow: hidden;
}

.usage-summary article + article {
    border-left: 1px solid var(--ledger-line);
}

.usage-summary span {
    display: block;
    color: var(--ledger-muted);
    font-size: 14px;
}

.usage-summary strong {
    display: block;
    margin-top: 6px;
    overflow: hidden;
    font-family: var(--font-data);
    font-size: clamp(24px, 3vw, 38px);
    letter-spacing: -0.055em;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.usage-summary article:first-child strong {
    color: var(--ledger-accent-dark);
}

.usage-summary article:nth-child(2) strong,
.usage-summary article:last-child strong {
    color: var(--ledger-orange);
}

.usage-summary article i {
    position: absolute;
    right: 16px;
    bottom: 9px;
    color: rgba(20, 32, 31, 0.12);
    font-family: var(--font-data);
    font-size: 12px;
    font-style: normal;
    font-weight: 900;
    letter-spacing: 0.1em;
}

.usage-result__tabs {
    display: flex;
    gap: 30px;
    padding: 0 34px;
    border-bottom: 1px solid var(--ledger-line);
}

.usage-result__tabs button {
    position: relative;
    padding: 20px 2px 17px;
    border: 0;
    background: transparent;
    color: var(--ledger-muted);
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
}

.usage-result__tabs button.is-active {
    color: var(--ledger-ink);
}

.usage-result__tabs button.is-active::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 4px;
    background: var(--ledger-accent-dark);
    content: "";
}

.usage-result__content {
    position: relative;
    min-height: 290px;
}

.usage-result__loading {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: rgba(255, 253, 246, 0.88);
    color: var(--ledger-muted);
}

.usage-result__loading i {
    width: 18px;
    height: 18px;
    border: 2px solid var(--ledger-line);
    border-top-color: var(--ledger-ink);
    border-radius: 50%;
    animation: usage-spin 700ms linear infinite;
}

.usage-table-wrap {
    overflow-x: auto;
}

.usage-data-table {
    width: 100%;
    min-width: 850px;
    border-collapse: collapse;
}

.usage-data-table th,
.usage-data-table td {
    padding: 18px 22px;
    border-bottom: 1px solid var(--ledger-line);
    text-align: right;
}

.usage-data-table th {
    background: #f6f4ec;
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.usage-data-table th:first-child,
.usage-data-table td:first-child {
    min-width: 260px;
    text-align: left;
}

.usage-data-table td {
    font-family: var(--font-data);
    font-size: 14px;
}

.usage-data-table td:first-child {
    font-family: var(--font-display);
}

.usage-data-table td:first-child strong,
.usage-data-table td:first-child small {
    display: block;
}

.usage-data-table td:first-child strong {
    font-size: 15px;
}

.usage-data-table td:first-child small {
    margin-top: 3px;
    color: var(--ledger-muted);
    font-size: 12px;
}

.usage-data-table tbody tr:hover {
    background: rgba(183, 243, 75, 0.08);
}

.usage-data-table .usage-empty {
    height: 230px;
    color: var(--ledger-muted);
    font-family: var(--font-display);
    font-size: 15px;
    text-align: center;
}

.usage-cost {
    color: var(--ledger-orange);
    font-weight: 900;
}

.usage-result__footer {
    padding: 15px 34px 18px;
    color: var(--ledger-muted);
    font-size: 12px;
}

.usage-footer {
    display: flex;
    justify-content: space-between;
    width: min(1440px, calc(100% - 64px));
    margin: 0 auto;
    padding: 22px 0 30px;
    border-top: 1px solid var(--ledger-line-strong);
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.usage-pricing-dialog {
    width: min(1500px, calc(100% - 48px));
    max-width: none;
    max-height: calc(100vh - 48px);
    margin: auto;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--ledger-ink);
    background: var(--ledger-paper);
    color: var(--ledger-ink);
    box-shadow: 14px 14px 0 var(--ledger-ink);
}

.usage-pricing-dialog::backdrop {
    background: rgba(20, 32, 31, 0.72);
    backdrop-filter: blur(4px);
}

.usage-pricing-dialog__surface {
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 50px);
}

.usage-pricing-dialog__header {
    display: flex;
    flex: 0 0 auto;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    padding: 26px 30px 24px;
    border-bottom: 1px solid var(--ledger-ink);
    background: var(--ledger-ink);
    color: var(--ledger-paper);
}

.usage-pricing-dialog__header span {
    color: var(--ledger-accent);
    font-family: var(--font-data);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.15em;
}

.usage-pricing-dialog__header h2 {
    margin-top: 5px;
    font-size: clamp(28px, 3vw, 40px);
    letter-spacing: -0.04em;
    line-height: 1.1;
}

.usage-pricing-dialog__header p {
    margin-top: 7px;
    color: rgba(255, 253, 246, 0.62);
    font-size: 13px;
}

.usage-pricing-dialog__header button {
    flex: 0 0 auto;
    padding: 9px 14px;
    border: 1px solid rgba(255, 253, 246, 0.55);
    background: transparent;
    color: var(--ledger-paper);
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
}

.usage-pricing-dialog__header button:hover {
    border-color: var(--ledger-accent);
    color: var(--ledger-accent);
}

.usage-pricing-dialog__notice {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 18px;
    padding: 16px 30px;
    border-bottom: 1px solid var(--ledger-line);
    background: rgba(183, 243, 75, 0.16);
    font-size: 13px;
}

.usage-pricing-dialog__notice strong {
    color: var(--ledger-accent-dark);
    white-space: nowrap;
}

.usage-pricing-dialog__notice p {
    color: var(--ledger-muted);
}

.usage-pricing-dialog__toolbar {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 30px;
    border-bottom: 1px solid var(--ledger-line);
    background: #eeece3;
}

.usage-price-providers {
    display: flex;
    border: 1px solid var(--ledger-ink);
}

.usage-price-providers button {
    padding: 8px 14px;
    border: 0;
    border-right: 1px solid var(--ledger-ink);
    background: transparent;
    color: var(--ledger-muted);
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
}

.usage-price-providers button:last-child {
    border-right: 0;
}

.usage-price-providers button.is-active {
    background: var(--ledger-ink);
    color: var(--ledger-paper);
}

#usagePriceCount {
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 11px;
}

.usage-pricing-status {
    display: grid;
    min-height: 260px;
    place-items: center;
    color: var(--ledger-muted);
    font-size: 15px;
}

.usage-pricing-table-wrap {
    overflow: auto;
}

.usage-pricing-table {
    width: 100%;
    min-width: 1300px;
    border-collapse: collapse;
}

.usage-pricing-table th,
.usage-pricing-table td {
    padding: 15px 18px;
    border-right: 1px solid var(--ledger-line);
    border-bottom: 1px solid var(--ledger-line);
    vertical-align: top;
    text-align: right;
}

.usage-pricing-table th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: #f6f4ec;
    color: var(--ledger-muted);
    font-family: var(--font-data);
    font-size: 10px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.usage-pricing-table th:first-child,
.usage-pricing-table td:first-child,
.usage-pricing-table th:nth-child(2),
.usage-pricing-table td:nth-child(2),
.usage-pricing-table th:nth-child(7),
.usage-pricing-table td:nth-child(7) {
    text-align: left;
}

.usage-pricing-table td {
    font-family: var(--font-data);
    font-size: 12px;
}

.usage-pricing-table td:first-child {
    min-width: 280px;
    font-family: var(--font-display);
}

.usage-pricing-table td:first-child strong,
.usage-pricing-table td:first-child small,
.usage-pricing-table td:first-child code,
.usage-pricing-table td:nth-child(2) strong,
.usage-pricing-table td:nth-child(2) small {
    display: block;
}

.usage-pricing-table td:first-child strong {
    font-size: 15px;
}

.usage-pricing-table td:first-child small,
.usage-pricing-table td:nth-child(2) small {
    margin-top: 3px;
    color: var(--ledger-muted);
    font-size: 10px;
}

.usage-pricing-table td:first-child code {
    margin-top: 7px;
    color: #8b8e88;
    font-size: 9px;
}

.usage-pricing-table tbody tr:hover {
    background: rgba(183, 243, 75, 0.08);
}

.usage-price-modalities span {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    min-width: 155px;
}

.usage-price-modalities b {
    color: var(--ledger-muted);
    font-weight: 500;
}

.usage-pricing-table a {
    color: var(--ledger-accent-dark);
    font-family: var(--font-display);
    font-weight: 900;
    text-decoration: none;
    white-space: nowrap;
}

.usage-pricing-table a:hover {
    text-decoration: underline;
}

.usage-price-empty {
    height: 220px;
    color: var(--ledger-muted);
    text-align: center !important;
}

@keyframes usage-rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes usage-spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 900px) {
    .usage-shell {
        grid-template-columns: 1fr;
        width: min(680px, calc(100% - 40px));
        padding-top: 54px;
    }

    .usage-query {
        width: 100%;
    }

    .usage-result {
        grid-column: 1;
    }

    .usage-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .usage-quota {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .usage-summary article:nth-child(3) {
        border-left: 0;
    }

    .usage-summary article:nth-child(n + 3) {
        border-top: 1px solid var(--ledger-line);
    }
}

@media (max-width: 600px) {
    body {
        font-size: 16px;
    }

    .usage-header,
    .usage-footer {
        width: calc(100% - 32px);
    }

    .usage-header {
        min-height: 72px;
    }

    .usage-header__back {
        font-size: 12px;
    }

    .usage-shell {
        width: calc(100% - 24px);
        gap: 34px;
        padding: 42px 0 58px;
    }

    .usage-intro__eyebrow {
        margin-top: 34px;
    }

    .usage-intro h1 {
        font-size: clamp(42px, 13vw, 58px);
    }

    .usage-intro__description {
        font-size: 16px;
    }

    .usage-trust {
        margin-top: 32px;
    }

    .usage-query {
        padding: 26px 20px;
    }

    .usage-query h2 {
        margin-top: 30px;
    }

    .usage-query form {
        margin-top: 28px;
    }

    .usage-resources {
        grid-template-columns: 1fr;
    }

    .usage-pricing-entry__index {
        display: none;
    }

    .usage-saved > header {
        align-items: flex-start;
    }

    .usage-saved-key.is-active {
        transform: none;
    }

    .usage-key-field > span {
        display: none;
    }

    .usage-key-field {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .usage-result__header,
    .usage-result__toolbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 22px 20px;
    }

    .usage-change-key {
        width: 100%;
    }

    .usage-period {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        width: 100%;
    }

    .usage-period button {
        min-width: 0;
        padding-right: 5px;
        padding-left: 5px;
    }

    .usage-summary article {
        padding: 20px 17px 25px;
    }

    .usage-quota {
        padding: 24px 20px 26px;
    }

    .usage-summary strong {
        font-size: clamp(20px, 6.4vw, 29px);
    }

    .usage-result__tabs {
        padding: 0 20px;
    }

    .usage-result__footer {
        padding-right: 20px;
        padding-left: 20px;
    }

    .usage-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .usage-pricing-dialog {
        width: calc(100% - 20px);
        max-height: calc(100vh - 20px);
        box-shadow: 6px 6px 0 var(--ledger-ink);
    }

    .usage-pricing-dialog__surface {
        max-height: calc(100vh - 22px);
    }

    .usage-pricing-dialog__header {
        gap: 18px;
        padding: 20px 18px;
    }

    .usage-pricing-dialog__header p {
        font-size: 11px;
    }

    .usage-pricing-dialog__notice {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 13px 18px;
    }

    .usage-pricing-dialog__toolbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 12px 18px;
    }

    .usage-price-providers {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        width: 100%;
    }

    .usage-price-providers button {
        padding-right: 5px;
        padding-left: 5px;
    }

    #usagePriceCount::after {
        content: " · 左右滑动查看";
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}