:root {
  color-scheme: light;
  --background: #f6f8f7;
  --surface: #fff;
  --ink: #1d2c26;
  --muted: #738178;
  --line: #e7ece9;
  --green: #246b50;
  --green-light: #edf5f0;
  --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  -webkit-font-smoothing: antialiased
}

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

button {
  font: inherit
}

a {
  color: inherit;
  text-decoration: none
}

button,a {
  touch-action: manipulation
}

button {
  cursor: pointer
}

button:disabled {
  cursor: default
}

button:focus-visible,a:focus-visible,svg:focus-visible {
  outline: 3px solid #91b9a4;
  outline-offset: 4px
}

svg {
  display: block;
  width: 20px;
  height: 20px
}

button svg {
  pointer-events: none
}

[hidden] {
  display: none!important
}

.shell {
  width: min(1120px,calc(100% - 80px));
  margin-inline: auto
}

.skip-link {
  position: absolute;
  left: 20px;
  top: -80px;
  z-index: 10;
  padding: 12px 18px;
  background: var(--ink);
  color: #fff;
  border-radius: 8px
}

.skip-link:focus {
  top: 12px
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: #ffffffb8
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 90px
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 650;
  letter-spacing: .4px
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #fff;
  background: var(--green)
}

.brand-mark svg {
  width: 23px;
  height: 23px
}

.brand-caption {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 2.1px;
  font-weight: 500
}

nav {
  display: flex;
  gap: 34px;
  margin-left: auto;
  margin-right: 56px
}

.nav-link {
  font-size: 13px;
  color: #66756d;
  transition: color .15s
}

.nav-link:hover {
  color: var(--green)
}

.header-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #61a982
}

.status-dot.is-stale {
  background: #bc9966
}

.intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 48px 0 32px
}

.eyebrow {
  font-size: 11px;
  font-weight: 550;
  color: var(--green);
  letter-spacing: 1.4px;
  margin: 0 0 12px
}

h1 {
  font-size: 34px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: -1.2px;
  margin: 0
}

.title-dot {
  color: var(--green)
}

.intro-copy {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin: 11px 0 0
}

.dorm-label {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  flex-shrink: 0
}

.dorm-label svg {
  width: 23px;
  height: 23px;
  flex-shrink: 0;
  color: var(--green)
}

.dorm-campus {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0
}

.dorm-room {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  color: var(--ink);
  margin: 5px 0 0
}

.dorm-room strong {
  font-size: 18px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .8px;
  color: var(--green)
}

.metrics {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 18px;
  margin-bottom: 24px
}

.metric-card {
  min-width: 0;
  padding: 23px 25px 21px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 2px 3px #192c2302
}

.balance-card {
  background: #edf4ef;
  border-color: #dce9df;
  position: relative;
  overflow: hidden
}

.metric-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px
}

.metric-label {
  font-size: 12px;
  color: #667b6f;
  font-weight: 550
}

.metric-icon {
  color: #9baaa1
}

.balance-card .metric-icon {
  color: #5e9376
}

.metric-icon svg {
  width: 20px;
  height: 20px
}

.metric-value {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 48px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -2px;
  margin-top: 18px;
  font-variant-numeric: tabular-nums
}

.balance-card .metric-value {
  color: #225d43
}

.metric-unit {
  font-size: 15px;
  font-weight: 450;
  letter-spacing: 0;
  color: #83938a;
  white-space: nowrap
}

.balance-card .metric-unit {
  color: #688774
}

.secondary-value {
  font-size: 39px;
  margin-top: 23px;
  letter-spacing: -1.7px
}

.unit-day {
  font-size: 11px
}

.metric-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 17px;
  font-size: 10px;
  color: #789080
}

.balance-change {
  font-size: 11px;
  color: #4e795f
}

.metric-description {
  margin: 19px 0 0;
  font-size: 11px;
  color: #74837a
}

.estimate-label {
  margin-left: 8px;
  font-size: 9px;
  background: #f2f5f3;
  padding: 3px 6px;
  border-radius: 4px;
  color: #86958c
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 3px 7px #253c2c02
}

.trend-panel {
  margin-bottom: 24px;
  padding: 25px 28px 0
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px
}

h2 {
  font-size: 15px;
  font-weight: 650;
  margin: 0;
  letter-spacing: .1px
}

.panel-description {
  font-size: 11px;
  color: #77867c;
  margin: 7px 0 0;
  line-height: 1.5
}

.range-control {
  display: flex;
  gap: 3px;
  padding: 4px;
  background: #f4f6f5;
  border: 1px solid #eff2f0;
  border-radius: 8px
}

.range-control button {
  background: transparent;
  border: 0;
  color: #85938a;
  font-size: 11px;
  min-width: 48px;
  min-height: 29px;
  border-radius: 5px;
  transition: background .15s,color .15s
}

.range-control button[aria-pressed=true] {
  background: var(--green);
  color: #fff;
  box-shadow: 0 2px 3px #184d2e12
}

.range-control button:hover:not([aria-pressed=true]) {
  color: var(--green);
  background: #e9efeb
}

.range-selector {
  position: relative;
  flex-shrink: 0
}

.date-range-popover {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 5;
  width: 360px;
  max-width: calc(100vw - 76px);
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 10px 32px #172c251a;
  transform-origin: top right
}

.date-range-popover:not([hidden]) {
  animation: date-range-enter .22s cubic-bezier(.22,1,.36,1) both
}

@keyframes date-range-enter {
  from {opacity: 0; transform: translateY(-6px) scale(.98)}
  to {opacity: 1; transform: translateY(0) scale(1)}
}

.date-range-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px
}

.date-range-heading h3 {
  margin: 0;
  font-size: 12px;
  font-weight: 600
}

.range-close {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  transition: background .15s,color .15s
}

.range-close:hover {
  background: #e9efeb;
  color: var(--green)
}

.range-close svg {
  width: 16px;
  height: 16px
}

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

.date-range-fields label {
  display: block;
  margin-bottom: 7px;
  font-size: 11px;
  color: #5c7063
}

.date-range-fields input {
  display: block;
  width: 100%;
  min-width: 0;
  height: 38px;
  padding: 8px;
  border: 1px solid #dfe7e2;
  border-radius: 8px;
  background: #f8faf9;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-variant-numeric: tabular-nums
}

.date-range-fields input:focus-visible {
  outline: 3px solid #91b9a4;
  outline-offset: 2px;
  border-color: var(--green)
}

.date-range-fields input[aria-invalid=true] {
  border-color: #b84d41
}

.range-error {
  margin: 8px 0 0;
  color: #b84d41;
  font-size: 11px;
  line-height: 1.7
}

.date-range-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 9px;
  margin-top: 14px
}

.date-range-actions>span {
  font-size: 10px;
  color: var(--muted)
}

.range-apply {
  min-height: 32px;
  padding: 7px 12px;
  border: 1px solid var(--green);
  border-radius: 6px;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  transition: background .15s
}

.range-apply:hover {
  background: #1b5942
}

.chart-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 26px 0 8px;
  font-size: 10px;
  color: #66786c
}

.chart-meta>span:first-child {
  display: flex;
  align-items: center;
  gap: 7px
}

.legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #42916c
}

.subtle {
  color: #75847a
}

.chart-container {
  height: 272px;
  position: relative;
  min-width: 0
}

.chart-container>svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  touch-action: pan-y
}

.chart-grid {
  stroke: #edf1ee;
  stroke-width: 1;
  stroke-dasharray: 3 5
}

.chart-axis {
  fill: #7c8a80;
  font-family: var(--font);
  font-size: 10px
}

.chart-line {
  stroke: #448e6b;
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round
}

.chart-area {
  fill: #f0f6f2
}

.chart-cursor {
  stroke: #acbfb2;
  stroke-dasharray: 3 4;
  stroke-width: 1
}

.chart-point {
  fill: #fff;
  stroke: #367c58;
  stroke-width: 2
}

.chart-tooltip {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 25px #233f2d12;
  border-radius: 8px;
  padding: 10px 13px;
  min-width: 145px;
  font-size: 10px;
  color: #87968d
}

.chart-tooltip strong {
  display: block;
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
  margin-top: 5px
}

.chart-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
  padding: 24px
}

.chart-footer {
  border-top: 1px solid #eef2ef;
  margin-top: 15px;
  padding: 15px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: #738178;
  font-size: 10px
}

.chart-footer>span:first-child {
  display: flex;
  align-items: center;
  gap: 7px
}

.timezone {
  margin-left: 7px;
  color: #abb4ae
}

.no-script {
  color: var(--muted);
  font-size: 12px
}

.recharge-panel {
  padding: 25px 28px 0;
  overflow: hidden
}

.estimate-badge {
  font-size: 10px;
  color: var(--green);
  background: var(--green-light);
  border-radius: 5px;
  padding: 6px 9px;
  white-space: nowrap
}

.recharge-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 36px;
  align-items: center;
  padding: 25px 0
}

.recharge-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px
}

.recharge-fields label {
  display: block;
  font-size: 11px;
  color: #5b7063;
  margin-bottom: 9px
}

.input-wrap {
  display: flex;
  align-items: center;
  background: #f9fbfa;
  border: 1px solid #dfe7e2;
  border-radius: 7px;
  padding: 0 12px;
  min-height: 44px;
  gap: 8px
}

.input-wrap:focus-within {
  outline: 2px solid #91b9a4;
  outline-offset: 2px
}

.input-wrap:has(input[aria-invalid=true]) {
  border-color: #bb725b
}

.input-wrap input {
  font: inherit;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  background: transparent;
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 10px 0;
  appearance: textfield;
  -moz-appearance: textfield
}

.input-wrap input::-webkit-inner-spin-button,
.input-wrap input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0
}

.input-wrap>span {
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap
}

.price-note {
  margin: 11px 0 0;
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted)
}

.recharge-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px
}

.recharge-result {
  background: #f7f9f8;
  border-radius: 9px;
  padding: 20px;
  min-width: 0
}

.amount-result {
  background: var(--green-light)
}

.result-label {
  font-size: 11px;
  color: #5b7063
}

.result-value {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 37px;
  font-weight: 600;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  color: var(--green);
  margin: 12px 0 10px;
  overflow-wrap: anywhere
}

.currency,.result-unit {
  font-size: 17px;
  font-weight: 400;
  letter-spacing: 0
}

.result-caption {
  display: block;
  font-size: 10px;
  line-height: 1.7;
  color: var(--muted)
}

.recharge-status {
  border-top: 1px solid #eef2ef;
  padding: 14px 0;
  margin: 0;
  font-size: 11px;
  line-height: 1.8;
  color: #738178
}

.estimate-note {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 10px;
  color: #78867e;
  line-height: 1.7;
  margin: 18px 0 0
}

.estimate-note svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
  margin-top: 2px
}

.site-footer {
  padding: 35px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 10px;
  color: #a4afa7
}

.footer-divider {
  margin: 0 10px;
  color: #c6d0c9
}

@media(min-width:1500px) {
  .shell {
    width: min(1120px,calc(100% - 120px))
  }
  .intro {
    padding-top: 58px
  }
  .chart-container {
    height: 300px
  }
}

@media(max-width:850px) {
  .shell {
    width: calc(100% - 48px)
  }
  nav {
    margin-right: 0;
    gap: 22px
  }
  .header-tag {
    display: none
  }
  .metrics {
    gap: 12px
  }
  .metric-card {
    padding: 20px
  }
  .metric-value {
    font-size: 39px
  }
  .secondary-value {
    font-size: 33px
  }
  .metric-unit {
    font-size: 13px
  }
  .unit-day {
    font-size: 10px
  }
  .intro {
    padding-top: 35px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px
  }
  h1 {
    font-size: 30px
  }
  .estimate-label {
    margin-left: 4px
  }
  .trend-panel {
    padding-inline: 22px
  }
  .recharge-panel {
    padding-inline: 22px
  }
  .recharge-body {
    grid-template-columns: 1fr;
    gap: 20px
  }
}

@media(max-width:600px) {
  .shell {
    width: calc(100% - 36px)
  }
  .header-inner {
    height: 72px;
    gap: 16px
  }
  .brand {
    font-size: 15px;
    gap: 9px
  }
  .brand-mark {
    width: 35px;
    height: 35px;
    border-radius: 11px
  }
  .brand-mark svg {
    width: 20px;
    height: 20px
  }
  .brand-caption {
    font-size: 8px;
    letter-spacing: 1.8px
  }
  nav {
    gap: 17px
  }
  .nav-link {
    font-size: 11px
  }
  .intro {
    padding: 30px 0 25px;
    flex-direction: column;
    align-items: stretch;
    gap: 18px
  }
  .eyebrow {
    font-size: 10px;
    margin-bottom: 10px
  }
  h1 {
    font-size: 25px;
    letter-spacing: -.8px
  }
  .intro-copy {
    font-size: 11px;
    line-height: 1.9;
    margin-top: 8px
  }
  .dorm-label {
    padding: 13px 16px
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 18px
  }
  .balance-card {
    grid-column: 1/-1
  }
  .metric-card {
    padding: 20px
  }
  .metric-label {
    font-size: 10px
  }
  .balance-card .metric-label {
    font-size: 12px
  }
  .balance-card .metric-value {
    font-size: 48px;
    margin-top: 12px
  }
  .balance-card .metric-bottom {
    margin-top: 13px
  }
  .secondary-value {
    font-size: 31px;
    margin-top: 17px;
    gap: 7px
  }
  .metric-unit {
    font-size: 11px
  }
  .unit-day {
    font-size: 9px
  }
  .estimate-label {
    font-size: 8px;
    padding: 2px 4px;
    margin-left: 5px
  }
  .metric-description {
    font-size: 10px;
    margin-top: 14px;
    line-height: 1.5
  }
  .metric-icon svg {
    width: 17px;
    height: 17px
  }
  .trend-panel {
    padding: 21px 18px 0;
    margin-bottom: 18px
  }
  .panel-heading {
    gap: 12px;
    align-items: flex-start
  }
  .trend-panel .panel-heading {
    flex-direction: column
  }
  .range-control {
    width: 100%;
    margin-top: 7px
  }
  .range-control button {
    flex: 1;
    min-width: 0;
    min-height: 31px
  }
  .range-selector {
    width: 100%
  }
  .date-range-popover {
    width: 100%;
    max-width: none;
    padding: 14px
  }
  .panel-description {
    font-size: 10px
  }
  .chart-meta {
    margin-top: 22px;
    font-size: 9px
  }
  .chart-container {
    height: 245px
  }
  .chart-axis {
    font-size: 9px
  }
  .chart-footer {
    padding-block: 13px;
    align-items: flex-start;
    font-size: 9px;
    line-height: 1.8
  }
  .chart-footer>span:last-child {
    text-align: right
  }
  .timezone {
    display: block;
    margin: 0
  }
  .recharge-panel {
    padding: 21px 18px 0
  }
  .recharge-panel .panel-heading {
    flex-wrap: wrap
  }
  .estimate-badge {
    font-size: 9px
  }
  .recharge-body {
    padding: 22px 0;
    gap: 18px
  }
  .recharge-result {
    padding: 16px 13px
  }
  .result-value {
    font-size: 30px;
    gap: 5px
  }
  .result-caption {
    font-size: 10px
  }
  .recharge-status {
    font-size: 10px
  }
  h2 {
    font-size: 14px
  }
  .estimate-note {
    font-size: 9px;
    line-height: 1.8;
    margin-top: 15px
  }
  .site-footer {
    padding: 28px 0 22px;
    font-size: 9px
  }
  .site-footer>span:last-child {
    display: none
  }
}

@media(max-width:380px) {
  .date-range-fields {
    grid-template-columns: 1fr;
    gap: 16px
  }
}

@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto
  }
  *,*::before,*::after {
    transition: none!important;
    animation: none!important
  }
}