: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;
  --shadow: 0 18px 40px rgba(34, 45, 38, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  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;
}

.app {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: calc(24px + env(safe-area-inset-top)) calc(24px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));
}

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

.topbar {
  justify-content: space-between;
  gap: 20px;
  padding: 8px 0 24px;
}

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

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

h1 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1.05;
}

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

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

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

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

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

.entry-panel,
.summary-panel,
.records-panel {
  padding: 20px;
}

.entry-panel {
  position: sticky;
  top: 16px;
}

.summary-panel,
.records-panel {
  grid-column: 2;
}

.records-panel {
  margin-top: 18px;
}

.section-heading {
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.section-heading.compact {
  align-items: flex-start;
}

.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;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

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

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

.amount-field input {
  min-height: 58px;
  font-size: 2rem;
  font-weight: 800;
}

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

.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 {
  width: 36px;
  height: 36px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 1.05rem;
}

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

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

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

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

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

.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);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
  margin-top: 12px;
}

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

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

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

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

.daily-row {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 10px;
  align-items: center;
  font-size: 0.88rem;
}

.daily-stack {
  display: grid;
  gap: 4px;
}

.daily-track.income .daily-fill {
  background: var(--green);
}

.daily-track.expense .daily-fill {
  background: var(--red);
}

.daily-fill {
  height: 100%;
  border-radius: inherit;
}

.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;
}

.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);
}

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

.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: 16px;
  }

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

  .backup-actions {
    justify-content: flex-start;
    width: 100%;
  }

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

  .entry-panel,
  .summary-panel,
  .records-panel {
    grid-column: auto;
  }

  .entry-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .entry-panel,
  .summary-panel,
  .records-panel {
    padding: 16px;
  }

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

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

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

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

  .backup-actions .ghost-btn {
    flex: 1 1 calc(33.333% - 8px);
  }
}