:root {
  --page: #f0f0f0;
  --panel: #ffffff;
  --panel-soft: #f7f7f7;
  --panel-recessed: #ebebeb;
  --line: #e0e0e0;
  --line-strong: #c4c4c4;
  --text: #1e1e1e;
  --muted: #6a6a6a;
  --button: #222222;
  --button-soft: #eeeeee;
  --danger: #9f3434;
  --success: #256f45;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.07), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --radius: 10px;
  --radius-sm: 7px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--page);
}

body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--page);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

input,
select,
textarea,
button {
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 16px 12px calc(32px + env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 2px 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 20px;
}

.auth-screen {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 20px;
  background: var(--page);
}

.auth-panel {
  display: grid;
  gap: 16px;
  width: min(100%, 360px);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  padding: 28px 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.auth-panel p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
  line-height: 1.45;
}

.account-info {
  min-width: 0;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-actions {
  display: grid;
  justify-items: end;
  gap: 6px;
  min-width: 72px;
}

.account-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 6px;
}

.account-footer {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding: 14px 2px 0;
}

.small-icon-button {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0 11px;
  background: var(--panel);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 900;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  color: var(--text); 
}

h1 {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  padding-left: 2px;
}

h2 {
  font-size: 1.08rem;
  font-weight: 900;
}

.secondary-tools h2,
.secondary-tools .completed-toggle strong {
  font-size: 1rem;
  font-weight: 950;
}

.save-status {
  min-width: 68px;
  min-height: 24px;
  color: var(--success);
  font-size: 0.86rem;
  font-weight: 900;
  text-align: right;
}

.balance-section,
.completed-section,
.new-panel,
.search-panel {
  margin-bottom: 12px;
}

.new-panel,
.secondary-tools {
  position: relative;
  margin-top: 28px;
}

.new-panel::before,
.secondary-tools::before {
  content: "";
  position: absolute;
  top: -16px;
  right: 2px;
  left: 2px;
  border-top: 1px solid var(--line);
}

.secondary-tools {
  display: grid;
  gap: 10px;
}

.secondary-tools .completed-section,
.secondary-tools .search-panel {
  margin-bottom: 0;
  background: var(--panel);
}

.secondary-tools .completed-toggle {
  background: var(--panel);
}

.section-heading {
  display: block;
  align-items: left;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding: 0px; 
}

.section-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.balance-list {
  display: grid;
  gap: 10px;
}

.balance-card,
.new-panel,
.completed-section,
.search-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.balance-card {
  /* overflow already set above */
}

.balance-card.is-open {
  border-color: var(--line-strong);
}

.balance-toggle {
  position: relative;
  display: block;
  width: 100%;
  min-height: 128px;
  border: 0;
  padding: 14px 14px 14px 18px;
  background: var(--panel);
  color: inherit;
  text-align: left;
}

.balance-toggle:focus-visible,
.primary-button:focus-visible,
.secondary-button:focus-visible,
.small-icon-button:focus-visible,
.transaction-action:focus-visible,
.prepayment-memo-button:focus-visible,
.prepayment-cancel-button:focus-visible,
.prepayment-restore-button:focus-visible,
.danger-small-button:focus-visible,
.completed-toggle:focus-visible,
.archive-year-toggle:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(61, 61, 61, 0.18);
  outline-offset: 2px;
}

.accent {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: #8a8a8a;
}

.card-summary,
.remaining-line,
.summary-grid {
  min-width: 0;
}

.card-title-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.top-card-name {
  display: inline-flex;
  min-width: 0;
  justify-self: start;
}

.top-card-memo {
  max-width: 9rem;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 950;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.remaining-line {
  display: block;
  margin-bottom: 12px;
}

.remaining-text {
  display: block;
  min-width: 0;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  background: var(--panel-recessed);
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 1.25rem;
  font-weight: 950;
  letter-spacing: -0.02em;
}

.status-badge {
  justify-self: end;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 12px;
}

.summary-grid span {
  min-width: 0;
}

.summary-grid small,
label span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
}

.summary-grid b {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-grid b.approval-number,
.summary-grid b.card-label {
  overflow: visible;
  overflow-wrap: anywhere;
  text-overflow: clip;
  white-space: normal;
}

.card-name-badge {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 30px;
  border-radius: 6px;
  padding: 4px 8px;
  color: #ffffff;
  font-size: 1.18rem;
  font-weight: 950;
  line-height: 1.2;
}

.balance-detail {
  display: none;
  border-top: 1px solid var(--line);
  padding: 12px;
  background: var(--panel-recessed);
}

.balance-card.is-open .balance-detail {
  display: grid;
  gap: 12px;
}

.detail-info {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--panel);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.detail-row strong {
  min-width: 0;
  color: var(--text);
  text-align: right;
  overflow-wrap: anywhere;
}

.memo-detail {
  align-items: flex-start;
}

.memo-detail strong {
  white-space: pre-wrap;
}

.remaining-detail {
  align-items: center;
  border-radius: var(--radius-sm);
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 900;
}

.remaining-detail strong {
  font-size: 1.12rem;
  font-weight: 950;
}

.usage-total-detail {
  margin-top: -4px;
}

.usage-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--panel);
}

.usage-form label {
  min-width: 0;
}

.usage-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: end;
}

.history-title {
  margin: 2px 0 0;
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 900;
}

.transaction-list {
  display: grid;
  gap: 8px;
}

.transaction-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px;
  background: var(--panel);
}

.transaction-item.is-cancelled {
  background: #f2f2f2;
  color: var(--muted);
}

.transaction-item.is-cancelled .transaction-line {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}

.transaction-main {
  min-width: 0;
}

.transaction-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 5px;
  margin: 0;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 850;
  line-height: 1.35;
}

.transaction-line strong {
  font-size: 1rem;
  font-weight: 950;
}

.transaction-date {
  color: var(--muted);
}

.transaction-action {
  min-width: 70px;
  min-height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 10px;
  background: var(--button-soft);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 900;
  white-space: nowrap;
}

.transaction-action.cancel {
  color: var(--danger);
}

.transaction-action.restore {
  color: var(--success);
}

.prepayment-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.prepayment-memo-button,
.prepayment-cancel-button,
.prepayment-restore-button,
.danger-small-button {
  min-height: 40px;
  border-radius: var(--radius);
  padding: 0 12px;
  font-weight: 950;
}


.prepayment-memo-button {
  border: 1px solid var(--line-strong);
  background: #ffffff;
  color: var(--text);
}

.prepayment-cancel-button {
  border: 1px solid rgba(159, 52, 52, 0.3);
  background: #ffffff;
  color: var(--danger);
}

.prepayment-restore-button {
  border: 1px solid rgba(37, 111, 69, 0.3);
  background: #ffffff;
  color: var(--success);
}

.danger-small-button {
  border: 1px solid rgba(159, 52, 52, 0.3);
  background: var(--danger);
  color: #ffffff;
}

.dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.28);
}

.dialog-panel {
  width: min(100%, 360px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.dialog-panel h2 {
  margin-bottom: 10px;
}

.dialog-panel p {
  margin: 8px 0;
  color: var(--text);
  line-height: 1.45;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 16px;
}

.admin-screen {
  display: grid;
  gap: 14px;
  padding-bottom: calc(20px + env(safe-area-inset-bottom));
}

.admin-screen-header {
  display: flex;
  align-items: start;
  gap: 12px;
}

.admin-screen-header h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 950;
}

.admin-screen-header p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.admin-back-button {
  flex: 0 0 auto;
}

.admin-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  background: var(--panel);
}

.admin-tab {
  min-height: 44px;
  border: 0;
  border-radius: calc(var(--radius) - 2px);
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 950;
}

.admin-tab.is-active {
  background: var(--button);
  color: #ffffff;
}

.admin-content {
  display: grid;
  gap: 14px;
}

.admin-section {
  display: grid;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--panel);
}

.admin-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px; 
}

.admin-section-heading h3 {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 950;
  padding-left: 10px;
}

.admin-section-heading small {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 850;
  padding-right: 16px;
}

.admin-form,
.admin-card-item,
.admin-record-item,
.backup-grid {
  border: 0;
  border-radius: var(--radius);
  padding: 12px;
  background: var(--panel-soft);
}

.admin-form,
.admin-card-item {
  display: grid;
  gap: 10px;
}

.admin-compact-list {
  display: grid;
  gap: 8px;
}

.admin-list-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.admin-row-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 58px;
  border: 0;
  padding: 10px 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.admin-row-button strong,
.admin-row-button small {
  display: block;
}

.admin-row-button strong {
  font-size: 0.98rem;
  font-weight: 950;
}

.admin-row-button small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.admin-row-side {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.admin-actions,
.backup-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metadata {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.4;
}

.status-pill {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 4px 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.status-pill.active {
  color: var(--success);
}

.status-pill.inactive {
  color: var(--danger);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 76px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--panel);
  color: var(--muted);
  font-weight: 800;
  text-align: center;
}

.completed-section {
  overflow: hidden;
}

.completed-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 60px;
  border: 0;
  padding: 12px 14px;
  background: var(--panel);
  color: inherit;
  text-align: left;
}

.completed-toggle strong,
.completed-toggle small {
  display: block;
}

.completed-toggle strong {
  font-size: 1rem;
  font-weight: 950;
}

.completed-toggle small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.toggle-mark {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 900;
}

.completed-list {
  border-top: 1px solid var(--line);
  padding: 10px;
  background: var(--panel-recessed);
}

.new-panel {
  padding: 14px;
}

.search-panel {
  padding: 14px;
}

.search-label {
  display: grid;
  gap: 6px;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.clear-search-button {
  min-width: 72px;
  min-height: 52px;
  padding: 0 10px;
}

.search-results {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.section-subheading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text);
  font-weight: 950;
}

.section-subheading small {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 850;
}

.archive-year-list-wrap {
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 10px;
  background: var(--panel-recessed);
}

.archive-year-section {
  display: grid;
  gap: 8px;
}

.archive-year-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--panel);
  color: var(--text);
  font-weight: 950;
  text-align: left;
}

.archive-year-list {
  padding-bottom: 2px;
}

form {
  display: grid;
  gap: 12px;
  min-width: 0;
}

label {
  display: grid;
  gap: 6px;
  width: 100%;
  min-width: 0;
}

textarea,
select {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--panel);
  color: var(--text);
  font-size: 16px;
  line-height: 1.2;
  outline: none;
}

input {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 52px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0 12px;
  background: var(--panel-recessed);
  color: var(--text);
  font-size: 16px;
  line-height: 1.2;
  outline: none;
}

textarea {
  display: block;
  min-height: 86px;
  padding: 12px;
  resize: vertical;
  line-height: 1.45;
}

input[readonly] {
  background: #f1f1f1;
  color: var(--muted);
}

select {
  height: 56px;
  min-height: 56px;
  padding-right: 38px;
  font-size: 16px;
}

.date-field {
  position: relative;
  display: block;
  width: 100%;
  min-width: 0;
}

input[type="date"] {
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-inline-size: 0;
  height: 52px;
  min-height: 52px;
  padding: 0 12px;
  color: transparent;
  font: inherit;
  font-size: 16px;
  line-height: normal;
  text-align: left;
  caret-color: transparent;
  -webkit-text-fill-color: transparent;
}

input[type="date"]::-webkit-date-and-time-value {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 0;
  padding: 0;
  text-align: left;
}

input[type="date"]::-webkit-datetime-edit {
  display: flex;
  align-items: center;
  min-height: 0;
}

.date-display {
  pointer-events: none;
  position: absolute;
  inset: 0 12px;
  display: flex;
  align-items: center;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.unregistered-fields {
  display: grid;
  gap: 12px;
}

.card-preview {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  background: var(--panel-soft);
  color: var(--muted);
  font-weight: 850;
}

.card-preview strong {
  color: var(--text);
}

.primary-button,
.secondary-button {
  min-height: 52px;
  border-radius: var(--radius);
  font-weight: 950;
  font-size: 1rem;
  transition: opacity 0.12s;
}

.primary-button {
  border: 0;
  background: var(--button);
  color: #ffffff;
  letter-spacing: 0.01em;
}

.primary-button:active {
  opacity: 0.8;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  background: var(--button-soft);
  color: var(--text);
}

.secondary-button:active {
  opacity: 0.7;
}

@media (min-width: 620px) {
  .app-shell {
    padding-top: 24px;
  }

  .balance-list {
    gap: 12px;
  }

  .summary-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 380px) {
  .app-shell {
    padding-inline: 10px;
  }

  .app-header {
    gap: 8px;
  }

  .header-actions {
    justify-items: end;
  }

  .remaining-text {
    font-size: 1.08rem;
  }

  .card-name-badge {
    font-size: 1.08rem;
  }

  .remaining-line {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .remaining-text {
    grid-column: 1;
  }

  .summary-grid {
    gap: 8px;
  }

  .transaction-item {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
    min-height: 46px;
    padding: 7px;
  }

  .transaction-line {
    flex-wrap: nowrap;
    gap: 4px;
    font-size: 0.86rem;
    white-space: nowrap;
  }

  .transaction-line strong {
    font-size: 0.92rem;
  }

  .transaction-action {
    min-width: 48px;
    min-height: 34px;
    padding: 0 8px;
    font-size: 0.82rem;
  }
}