:root {
  color-scheme: light dark;
  --app-bg: var(--tg-theme-bg-color, #f1f3f6);
  --app-text: var(--tg-theme-text-color, #17212b);
  --app-hint: var(--tg-theme-hint-color, #74808d);
  --app-link: var(--tg-theme-link-color, #2481cc);
  --app-button: var(--tg-theme-button-color, #2481cc);
  --app-button-text: var(--tg-theme-button-text-color, #ffffff);
  --app-surface: var(--tg-theme-secondary-bg-color, #ffffff);
  --app-border: color-mix(in srgb, var(--app-hint) 20%, transparent);
  --app-danger: #c43d4b;
  --app-success: #23875f;
  --app-radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  overflow-x: hidden;
  background: var(--app-bg);
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--app-text);
  background: var(--app-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.4;
}

button,
select,
input {
  font: inherit;
}

button {
  min-height: 44px;
  border: 0;
  cursor: pointer;
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--app-link) 55%, transparent);
  outline-offset: 2px;
}

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

[hidden] {
  display: none !important;
}

.app-shell {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: calc(16px + env(safe-area-inset-top)) 14px calc(24px + env(safe-area-inset-bottom));
}

.app-header,
.month-navigation,
.section-heading,
.category-summary,
.transaction-row,
.selector-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.app-header {
  margin-bottom: 14px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--app-hint);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.15;
}

h2 {
  margin-bottom: 0;
  font-size: 18px;
}

h3 {
  margin-bottom: 14px;
  font-size: 16px;
}

.icon-button,
.primary-button {
  color: var(--app-button-text);
  background: var(--app-button);
}

.icon-button {
  width: 46px;
  padding: 0;
  border-radius: 50%;
  font-size: 25px;
}

.icon-button.is-loading span {
  display: inline-block;
  animation: spin 0.8s linear infinite;
}

.period-card,
.metric-card,
.content-card {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius);
  background: var(--app-surface);
}

.period-card {
  position: relative;
  margin-bottom: 12px;
  padding: 12px;
}

.month-navigation {
  min-height: 54px;
}

.arrow-button {
  flex: 0 0 48px;
  width: 48px;
  padding: 0;
  border-radius: 14px;
  color: var(--app-text);
  background: color-mix(in srgb, var(--app-hint) 10%, transparent);
  font-size: 34px;
  line-height: 1;
}

.period-title-button {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px;
  color: var(--app-text);
  background: transparent;
  font-size: clamp(18px, 5vw, 24px);
  font-weight: 800;
  overflow-wrap: anywhere;
}

.quick-periods,
.section-tabs {
  display: grid;
  gap: 7px;
}

.quick-periods {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 8px;
}

.quick-periods button,
.section-tabs button {
  min-width: 0;
  padding: 7px 8px;
  border-radius: 12px;
  color: var(--app-text);
  background: color-mix(in srgb, var(--app-hint) 10%, transparent);
  font-size: 12px;
  font-weight: 700;
}

.quick-periods button[aria-pressed="true"],
.section-tabs button[aria-selected="true"] {
  color: var(--app-button-text);
  background: var(--app-button);
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--app-button-text) 26%, transparent);
}

.period-selector {
  position: absolute;
  z-index: 5;
  inset: calc(100% - 4px) 0 auto;
  padding: 16px;
  border: 1px solid var(--app-border);
  border-radius: 16px;
  background: var(--app-surface);
  box-shadow: 0 14px 36px color-mix(in srgb, #000000 18%, transparent);
}

.selector-fields {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(100px, 0.8fr);
  gap: 10px;
}

.selector-fields label span {
  display: block;
  margin-bottom: 5px;
  color: var(--app-hint);
  font-size: 12px;
}

.selector-fields select,
.selector-fields input {
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--app-border);
  border-radius: 10px;
  color: var(--app-text);
  background: var(--app-bg);
}

.selector-error {
  margin: 10px 0 0;
  color: var(--app-danger);
  font-size: 13px;
}

.selector-actions {
  justify-content: flex-end;
  margin-top: 14px;
}

.primary-button,
.secondary-button,
.text-button {
  padding: 8px 14px;
  border-radius: 11px;
  font-weight: 750;
}

.secondary-button,
.text-button {
  color: var(--app-link);
  background: transparent;
}

.global-status,
.block-status,
.block-feedback {
  color: var(--app-hint);
  font-size: 14px;
}

.global-status {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--app-surface);
}

.global-status.is-error,
.block-status.is-error,
.block-feedback.is-error {
  color: var(--app-danger);
}

.summary-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.85fr);
  gap: 10px;
  margin-bottom: 12px;
}

.metric-card {
  min-width: 0;
  padding: 16px;
}

.metric-label,
.metric-period,
.category-meta,
.transaction-meta,
.transaction-date,
.category-detail-note {
  color: var(--app-hint);
}

.metric-label {
  display: block;
  margin-bottom: 7px;
  font-size: 12px;
}

.metric-value {
  display: block;
  overflow: hidden;
  font-size: clamp(20px, 6vw, 30px);
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.metric-period {
  display: block;
  margin-top: 7px;
  font-size: 12px;
}

.metric-income .metric-value,
.transaction-item.is-income .transaction-amount {
  color: var(--app-success);
}

.metric-expense .metric-value,
.transaction-item.is-expense .transaction-amount,
.metric-balance.is-negative .metric-value {
  color: var(--app-danger);
}

.metric-balance.is-positive .metric-value {
  color: var(--app-success);
}

.summary-feedback {
  grid-column: 1 / -1;
  padding: 0 4px;
}

.summary-feedback p {
  display: inline;
  margin-right: 8px;
}

.section-tabs {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 10px;
  padding: 4px;
  border-radius: 15px;
  background: var(--app-surface);
}

.section-tabs button {
  font-size: 14px;
}

.content-card {
  margin-bottom: 12px;
  padding: 16px;
}

.section-heading {
  min-height: 44px;
  margin-bottom: 4px;
}

.type-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin: 4px 0 10px;
  padding: 4px;
  border-radius: 13px;
  background: var(--app-bg);
}

.type-switch button {
  min-height: 44px;
  border-radius: 10px;
  color: var(--app-text);
  background: transparent;
}

.type-switch button[aria-pressed="true"] {
  color: var(--app-button-text);
  background: var(--app-button);
  font-weight: 800;
}

.block-status {
  margin: 10px 0 4px;
}

.category-card,
.transaction-item,
.category-operation {
  border-top: 1px solid var(--app-border);
}

.category-card:first-child,
.transaction-item:first-child {
  border-top: 0;
}

.category-toggle {
  width: 100%;
  padding: 13px 0;
  color: var(--app-text);
  background: transparent;
  text-align: left;
}

.category-summary {
  align-items: flex-start;
}

.category-identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.category-marker {
  display: grid;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  color: #ffffff;
  font-weight: 800;
}

.category-copy,
.transaction-main {
  min-width: 0;
}

.category-name,
.transaction-description {
  overflow-wrap: anywhere;
  font-weight: 750;
}

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

.category-amount,
.transaction-amount {
  font-weight: 800;
  white-space: nowrap;
}

.category-arrow {
  color: var(--app-hint);
  font-size: 22px;
  transition: transform 0.16s ease;
}

.category-toggle[aria-expanded="true"] .category-arrow {
  transform: rotate(90deg);
}

.category-meta,
.transaction-meta,
.transaction-date,
.category-detail-note {
  margin: 3px 0 0;
  font-size: 12px;
}

.progress-track {
  height: 7px;
  margin: 0 0 12px 48px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--app-hint) 16%, transparent);
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--category-color, var(--app-button));
}

.category-details {
  margin: 0 0 12px 48px;
  padding: 4px 10px 10px;
  border-left: 2px solid var(--category-color, var(--app-button));
}

.category-operation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 9px 0;
}

.category-operation:first-of-type {
  border-top: 0;
}

.transactions-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.transaction-item {
  padding: 13px 0;
}

.transaction-row {
  align-items: flex-start;
}

.skeleton-text {
  color: transparent;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--app-border), var(--app-surface), var(--app-border));
  background-size: 220% 100%;
  animation: shimmer 1.4s ease infinite;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 560px) {
  .app-shell {
    padding-inline: 22px;
  }
}

@media (max-width: 390px) {
  .quick-periods button {
    padding-inline: 4px;
    font-size: 11px;
  }

  .category-amount {
    font-size: 13px;
  }
}

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

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

@keyframes shimmer {
  to {
    background-position-x: -220%;
  }
}