:root {
  --bg: #191816;
  --bg-accent: #24211d;
  --panel: rgba(37, 33, 29, 0.78);
  --panel-strong: rgba(51, 45, 38, 0.94);
  --line: rgba(255, 240, 222, 0.09);
  --text: #f5efe5;
  --muted: #b5a89b;
  --warm: #ffb36b;
  --gold: #ffd36d;
  --rose: #ff7d71;
  --teal: #62d0c3;
  --sky: #86b6ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 179, 107, 0.16), transparent 22%),
    radial-gradient(circle at top right, rgba(98, 208, 195, 0.1), transparent 18%),
    linear-gradient(180deg, #201d18 0%, #171613 100%);
}

.page-shell {
  width: min(1280px, calc(100vw - 32px));
  margin: 24px auto 48px;
}

.hero,
.panel,
.controls,
.summary-card {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 211, 109, 0.08), rgba(134, 182, 255, 0.02)),
    var(--panel);
  box-shadow: var(--shadow);
}

.eyebrow,
.section-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--warm);
}

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

h1 {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.2rem, 3.8vw, 4rem);
  line-height: 0.98;
  max-width: 12ch;
}

.hero-copy {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.hero-panel {
  display: grid;
  gap: 14px;
  align-content: start;
}

.hero-stat {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.hero-stat strong,
.summary-card strong,
.donut-center strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
  line-height: 1;
}

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

.controls {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.controls > div {
  min-width: 180px;
}

.year-tabs,
.period-tabs,
.month-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.year-tab,
.period-tab,
.month-tab {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: 180ms ease;
}

.year-tab:hover,
.year-tab.active,
.period-tab:hover,
.period-tab.active,
.month-tab:hover,
.month-tab.active {
  border-color: rgba(255, 211, 109, 0.35);
  background: rgba(255, 179, 107, 0.12);
  transform: translateY(-1px);
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  align-self: center;
}

.toggle input {
  accent-color: var(--gold);
  inline-size: 18px;
  block-size: 18px;
}

.summary-grid,
.analytics-grid {
  display: grid;
  gap: 18px;
}

.summary-grid {
  margin-top: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card,
.panel {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.add-expense-panel {
  margin-top: 18px;
}

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

.expense-form,
.sync-form {
  display: grid;
  gap: 14px;
}

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

.sync-form {
  grid-template-columns: minmax(240px, 1fr) auto auto auto;
}

.expense-form label,
.sync-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.expense-form input,
.expense-form select,
.expense-form button,
.sync-form input,
.sync-form button {
  min-height: 48px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0 14px;
  font: inherit;
}

.expense-form button,
.sync-form button {
  cursor: pointer;
  align-self: end;
  background: linear-gradient(135deg, rgba(255, 211, 109, 0.22), rgba(98, 208, 195, 0.18));
}

.expense-form button:disabled,
.sync-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#sync-status[data-status="success"] {
  color: var(--teal);
}

#sync-status[data-status="warning"] {
  color: var(--gold);
}

#sync-status[data-status="error"] {
  color: var(--rose);
}

.summary-card p {
  color: var(--muted);
}

.summary-card small,
.transaction-meta,
.merchant-row small {
  color: var(--muted);
}

.analytics-grid {
  margin-top: 18px;
  grid-template-columns: 1.05fr 0.95fr;
}

.panel + .panel,
.analytics-grid + .panel,
.summary-grid + .panel {
  margin-top: 18px;
}

.lower-grid {
  align-items: start;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.panel h2 {
  font-size: 1.35rem;
}

.donut-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
  align-items: center;
}

.donut-wrap {
  position: relative;
  width: 240px;
  height: 240px;
  margin: 0 auto;
}

.donut {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--gold) 0deg 360deg);
  box-shadow: inset 0 0 0 18px rgba(0, 0, 0, 0.12);
}

.donut::after {
  content: "";
  position: absolute;
  inset: 38px;
  border-radius: 50%;
  background: linear-gradient(180deg, #231f1a, #181613);
  border: 1px solid var(--line);
}

.donut-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  z-index: 1;
}

.donut-center span {
  color: var(--muted);
  font-size: 0.88rem;
}

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

.legend-item,
.merchant-row,
.transaction-row {
  display: grid;
  gap: 10px;
  align-items: center;
}

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

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 999px;
}

.bars {
  display: grid;
  gap: 14px;
}

.category-group {
  display: grid;
  gap: 10px;
  border-radius: 18px;
}

.bar-row {
  display: grid;
  gap: 8px;
}

.category-filter {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  color: inherit;
  text-align: left;
  font: inherit;
  background: transparent;
  cursor: pointer;
  border-radius: 14px;
  transition: background 160ms ease, transform 160ms ease;
}

.category-filter:hover,
.category-filter.active {
  background: rgba(255, 255, 255, 0.045);
  transform: translateY(-1px);
}

.category-filter.active .bar-track {
  outline: 1px solid rgba(255, 240, 222, 0.2);
  outline-offset: 3px;
}

.category-details {
  display: grid;
  gap: 10px;
  max-height: 360px;
  margin: -2px 12px 4px;
  padding: 14px;
  overflow: auto;
  border: 1px solid rgba(255, 240, 222, 0.12);
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.category-details-summary,
.category-detail-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.category-details-summary {
  color: var(--muted);
  font-size: 0.9rem;
}

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

.category-detail-row {
  padding: 10px 0;
  border-top: 1px solid rgba(255, 240, 222, 0.08);
}

.category-detail-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.84rem;
}

.bar-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
}

.bar-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
}

.merchant-list,
.transaction-list {
  display: grid;
  gap: 12px;
}

.merchant-row,
.transaction-row {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.merchant-row {
  grid-template-columns: 1fr auto;
}

.merchant-name,
.transaction-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.transaction-caption {
  margin-top: 6px;
  font-size: 0.9rem;
}

.clear-filter-button {
  display: none;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  white-space: nowrap;
}

.clear-filter-button:hover {
  border-color: rgba(255, 211, 109, 0.35);
  background: rgba(255, 179, 107, 0.12);
}

.transaction-row {
  grid-template-columns: 1fr auto;
}

.amount {
  font-weight: 700;
  color: var(--rose);
  white-space: nowrap;
}

.footnote {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 1080px) {
  .hero,
  .analytics-grid,
  .donut-layout {
    grid-template-columns: 1fr;
  }

  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .expense-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 720px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    margin: 10px auto 24px;
  }

  .hero,
  .panel,
  .summary-card,
  .controls {
    padding: 18px;
    border-radius: 20px;
  }

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

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

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

  .donut-wrap {
    width: 210px;
    height: 210px;
  }

  .merchant-row,
  .transaction-row,
  .category-detail-row,
  .category-details-summary {
    grid-template-columns: 1fr;
  }
}