:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-muted: #f1f5f1;
  --text: #17201b;
  --muted: #647067;
  --line: #d9e0db;
  --green: #267a55;
  --green-soft: #e3f3eb;
  --red: #b84a4a;
  --red-soft: #f8e7e4;
  --blue: #356b9a;
  --blue-soft: #e4eef6;
  --gold: #8d6b2f;
  --gold-soft: #f4ecd8;
  --shadow: 0 18px 40px rgba(34, 45, 38, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1.05;
}

h2 {
  margin-bottom: 0;
  font-size: 1.2rem;
}

h3 {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.app {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1180px, 100%);
  height: 100dvh;
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top)) calc(18px + env(safe-area-inset-right)) calc(92px + env(safe-area-inset-bottom)) calc(18px + env(safe-area-inset-left));
}

.topbar,
.topbar-tools,
.backup-actions,
.section-heading,
.filters,
.form-actions,
.dialog-actions,
.block-title {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
}

.brand {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.topbar-tools {
  justify-content: flex-end;
  gap: 10px;
  min-width: 0;
}

.backup-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.settings-btn {
  flex: 0 0 auto;
}

.tab-shell {
  min-height: 0;
  overflow: hidden;
}

.tab-view {
  height: 100%;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding: 2px 2px 14px;
}

.tab-view[hidden] {
  display: none;
}

.entry-layout {
  display: grid;
  grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.panel,
.stat-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.section-heading {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  margin: 0 0 16px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.segmented input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented span {
  display: block;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--muted);
  text-align: center;
  font-weight: 700;
}

.segmented input:checked + span {
  background: var(--surface);
  color: var(--green);
  box-shadow: 0 4px 12px rgba(38, 122, 85, 0.12);
}

.field,
.filters label,
.month-picker {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.field input,
.field select,
.date-display,
.filters input,
.filters select,
.month-picker input {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  padding: 9px 11px;
  outline: none;
}

.date-display {
  appearance: none;
  -webkit-appearance: none;
  text-align: center;
  font-weight: 800;
}

.field input:focus,
.field select:focus,
.date-display:focus,
.filters input:focus,
.filters select:focus,
.month-picker input:focus,
.category-budget-input:focus,
.budget-form input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(38, 122, 85, 0.14);
}

.month-picker {
  min-width: 154px;
}

.amount-field input {
  min-height: 62px;
  font-size: 2.15rem;
  font-weight: 800;
  letter-spacing: 0;
  text-align: right;
}

.quick-amounts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 10px 0 12px;
}

.quick-amounts button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 800;
}

.quick-amounts button:active {
  transform: translateY(1px);
  background: var(--green-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
  overflow: hidden;
}

label[for="noteInput"] {
  grid-column: 1 / -1;
}

.form-actions {
  justify-content: flex-end;
  margin-top: 18px;
}

.primary-btn,
.ghost-btn,
.icon-btn {
  border: 0;
  border-radius: 8px;
  font-weight: 800;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  background: var(--green);
  color: #fff;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 1.05rem;
}

.primary-btn:hover,
.ghost-btn:hover,
.icon-btn:hover,
.nav-tab:hover {
  filter: brightness(0.97);
}

.form-message {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--green);
  font-size: 0.9rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  min-height: 98px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric span,
.record-meta,
.record-note,
.block-title span,
.record-count {
  color: var(--muted);
  font-size: 0.86rem;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  overflow-wrap: anywhere;
}

.metric.income {
  background: var(--green-soft);
}

.metric.expense {
  background: var(--red-soft);
}

.metric.balance {
  background: var(--blue-soft);
}

.budget-card,
.category-budget-card,
.ai-report-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.ai-report-card {
  margin-top: 12px;
}

.report-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.ai-report-status {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.ai-report-status.error {
  color: var(--red);
}

.ai-report-output {
  margin-top: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.ai-report-output h3,
.ai-report-output h4,
.ai-report-output h5 {
  margin: 14px 0 8px;
  color: var(--text);
  line-height: 1.25;
}

.ai-report-output h3:first-child,
.ai-report-output h4:first-child,
.ai-report-output h5:first-child {
  margin-top: 0;
}

.ai-report-output p {
  margin: 0 0 10px;
}

.ai-report-output ul {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding-left: 1.1em;
}

.ai-report-output li {
  padding-left: 2px;
}

.ai-report-output strong {
  font-weight: 900;
}

.ai-report-output code {
  padding: 1px 4px;
  border-radius: 4px;
  background: #e8eee9;
  font-family: inherit;
}

.ai-report-output hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 14px 0;
}

.ai-report-table {
  display: grid;
  gap: 8px;
  margin: 10px 0 14px;
}

.ai-report-table-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.ai-report-table-cell {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.ai-report-table-cell span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
}

.ai-report-table-cell strong {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.35;
  word-break: break-word;
}

.budget-grid,
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.budget-card + .budget-grid {
  margin-top: 12px;
}

.budget-head,
.budget-values {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.budget-head {
  align-items: flex-start;
}

.budget-head h3 {
  margin-bottom: 2px;
}

.budget-head span,
.budget-values span {
  color: var(--muted);
  font-size: 0.86rem;
}

.budget-form {
  display: grid;
  grid-template-columns: auto minmax(96px, 138px) auto;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.budget-form input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: right;
  outline: none;
}

.budget-progress {
  height: 12px;
  margin: 14px 0 10px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
}

#budgetProgressFill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--green);
  transition: width 180ms ease, background-color 180ms ease;
}

.budget-values {
  align-items: center;
}

.budget-values strong {
  color: var(--green);
  text-align: right;
}

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

.category-budget-row {
  display: grid;
  grid-template-columns: minmax(64px, 92px) minmax(96px, 136px) 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

.category-budget-name {
  font-weight: 900;
}

.category-budget-input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: right;
  outline: none;
}

.category-budget-info {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.category-budget-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.category-budget-track {
  height: 9px;
  border-radius: 999px;
  background: #fff;
  overflow: hidden;
}

.category-budget-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--green);
}

.stat-block {
  min-height: 220px;
  padding: 16px;
  box-shadow: none;
}

.block-title {
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.bars {
  display: grid;
  gap: 10px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(58px, 92px) 1fr auto;
  gap: 10px;
  align-items: center;
  font-size: 0.9rem;
}

.bar-track {
  height: 10px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--red);
}

.pie-wrap {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
  align-items: center;
}

.expense-pie {
  width: 160px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface-muted);
  box-shadow: inset 0 0 0 18px #fff;
}

.pie-legend {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.legend-row {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.86rem;
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.legend-row strong {
  color: var(--text);
  white-space: nowrap;
}

.trend-chart {
  min-height: 230px;
}

.trend-chart svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
}

.trend-axis {
  color: var(--muted);
  font-size: 12px;
}

.filters {
  align-items: end;
  gap: 10px;
  margin-bottom: 14px;
}

.filters label {
  flex: 1 1 150px;
}

.record-count {
  white-space: nowrap;
}

.records-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.backup-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: right;
}

.record-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  min-height: 72px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

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

.record-title {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-weight: 800;
}

.record-note {
  margin-top: 4px;
  overflow-wrap: anywhere;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.78rem;
}

.record-amount {
  font-size: 1.05rem;
  font-weight: 900;
  white-space: nowrap;
}

.record-amount.income {
  color: var(--green);
}

.record-amount.expense {
  color: var(--red);
}

.record-actions {
  display: flex;
  gap: 6px;
}

.record-actions .icon-btn {
  width: 34px;
  height: 34px;
}

.empty-state,
.muted-state {
  display: grid;
  gap: 6px;
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--text);
}

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: min(720px, calc(100% - 24px));
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 -12px 30px rgba(23, 32, 27, 0.1);
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.nav-tab {
  display: grid;
  place-items: center;
  gap: 3px;
  min-height: 52px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.nav-tab span:first-child {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
}

.nav-tab.is-active {
  background: var(--green-soft);
  color: var(--green);
}

.nav-tab.is-active span:first-child {
  background: var(--green);
  color: #fff;
}

.settings-dialog,
.import-dialog {
  width: min(420px, calc(100% - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.settings-dialog .section-heading {
  margin-bottom: 14px;
}

.settings-dialog .backup-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.settings-dialog .ghost-btn {
  justify-content: flex-start;
  width: 100%;
}

.settings-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.settings-dialog::backdrop,
.import-dialog::backdrop {
  background: rgba(23, 32, 27, 0.32);
}

.dialog-actions {
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

@media (max-width: 900px) {
  .app {
    padding: calc(12px + env(safe-area-inset-top)) calc(12px + env(safe-area-inset-right)) calc(88px + env(safe-area-inset-bottom)) calc(12px + env(safe-area-inset-left));
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-tools {
    align-items: end;
    justify-content: space-between;
    width: 100%;
  }

  .entry-layout,
  .budget-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app {
    padding-left: calc(10px + env(safe-area-inset-left));
    padding-right: calc(10px + env(safe-area-inset-right));
  }

  .panel {
    padding: 14px;
  }

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

  .summary-grid {
    grid-template-columns: 1fr;
  }

  .amount-field input {
    min-height: 68px;
    font-size: 2.35rem;
  }

  .quick-amounts button {
    min-height: 48px;
  }

  .budget-head,
  .budget-values {
    display: grid;
    grid-template-columns: 1fr;
  }

  .ai-report-card .block-title,
  .report-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .budget-form {
    grid-template-columns: auto 1fr auto;
  }

  .category-budget-row,
  .pie-wrap {
    grid-template-columns: 1fr;
  }

  .category-budget-meta {
    display: grid;
  }

  .expense-pie {
    justify-self: center;
    width: min(190px, 72vw);
  }

  .filters {
    display: grid;
    grid-template-columns: 1fr;
  }

  .record-item {
    grid-template-columns: 1fr;
  }

  .record-amount,
  .record-actions {
    justify-self: start;
  }
}