/* Budget Tracker — premium dark fintech dashboard */

:root {
  --bg-base: #0a0c0f;
  --bg-surface: #111318;
  --bg-elevated: #181c23;
  --bg-overlay: #1e2330;

  --accent: #00e5cc;
  --accent-dim: rgba(0, 229, 204, 0.12);
  --accent-glow: rgba(0, 229, 204, 0.3);

  --text-primary: #f0f2f5;
  --text-secondary: #8b93a5;
  --text-muted: #4a5166;

  --color-income: #34d399;
  --color-income-dim: rgba(52, 211, 153, 0.12);
  --color-expense: #f87171;
  --color-expense-dim: rgba(248, 113, 113, 0.12);
  --color-scheduled: #fbbf24;
  --color-scheduled-dim: rgba(251, 191, 36, 0.15);

  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.14);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 8px 40px rgba(0, 0, 0, 0.5);

  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-body: 'DM Sans', sans-serif;

  --sidebar-width: 220px;
  --bottom-nav-height: 72px;
  --fab-offset: 88px;
  --content-max: 1100px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html:not(.theme-ready) body {
  visibility: hidden;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  transition: transform 0.15s var(--ease-out), background 0.2s, box-shadow 0.2s;
}

button:active {
  transform: scale(0.97);
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

.hidden {
  display: none !important;
}

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

.small {
  font-size: 0.85rem;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* App shell */
.app-shell {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

.sidebar {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  flex-direction: column;
  padding: 24px 0 20px;
  z-index: 10;
}

.sidebar-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  padding: 0 20px 28px;
  color: var(--text-primary);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  padding: 0 12px;
}

.sidebar .nav-btn {
  flex-direction: row;
  justify-content: flex-start;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  width: 100%;
}

.sidebar .nav-btn::after {
  display: none;
}

.sidebar .nav-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.recurring-card-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.sidebar-footer {
  padding: 16px 20px 0;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.sidebar-theme-btn {
  width: 100%;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 0.85rem;
}

.sidebar-theme-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
}

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
}

/* Month header */
.month-header {
  padding: calc(env(safe-area-inset-top, 0px) + 20px) 20px 8px;
  text-align: center;
}

.month-nav {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.month-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  min-width: 12ch;
  letter-spacing: -0.02em;
}

.icon-btn {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.icon-btn:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-dim);
}

.month-header-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.ghost-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 0.85rem;
}

.ghost-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

.primary-btn {
  background: var(--accent);
  color: #0a0c0f;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-weight: 600;
}

.primary-btn:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 20px var(--accent-glow);
}

.danger-btn {
  background: var(--color-expense);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-weight: 600;
}

/* Main content */
#app {
  flex: 1;
  padding: 8px 16px calc(var(--bottom-nav-height) + 24px + env(safe-area-inset-bottom));
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
}

.tab-panel {
  display: none;
  opacity: 0;
  transform: translateY(10px);
}

.tab-panel.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.tab-panel.tab-enter {
  animation: tabEnter 0.2s var(--ease-out) forwards;
}

.tab-panel.tab-exit {
  animation: tabExit 0.15s ease forwards;
}

@keyframes tabEnter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tabExit {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-4px);
  }
}

/* Summary cards */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 479px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

.summary-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 16px 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  animation: cardFadeUp 0.45s var(--ease-out) backwards;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.summary-card:nth-child(1) { animation-delay: 0ms; }
.summary-card:nth-child(2) { animation-delay: 100ms; }
.summary-card:nth-child(3) { animation-delay: 200ms; }

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 0 0 4px 4px;
}

.summary-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}

@keyframes cardFadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.summary-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.summary-value {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  font-weight: 500;
  margin-top: 8px;
  word-break: break-word;
}

.summary-card.income .summary-value {
  color: var(--color-income);
}

.summary-card.expense .summary-value {
  color: var(--color-expense);
}

.summary-card.net.positive .summary-value {
  color: var(--color-income);
}

.summary-card.net.negative .summary-value {
  color: var(--color-expense);
}

/* Chart cards */
.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}

.chart-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}

.chart-card h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.chart-wrap {
  position: relative;
  width: 100%;
  height: 260px;
}

.chart-center-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  text-align: center;
}

.chart-center-label .center-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.chart-center-label .center-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 4px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}

.legend-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Budget progress */
.progress-row {
  margin-bottom: 14px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.progress-label {
  font-weight: 500;
  font-size: 0.9rem;
}

.progress-amount {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-overlay);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  width: 0;
  transition: width 0.6s var(--ease-out);
}

.progress-fill.over {
  background: var(--color-expense) !important;
  animation: pulseOver 1.5s ease-in-out infinite;
}

@keyframes pulseOver {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.65; }
}

/* Lists & transaction cards */
.tx-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tx-list.flat {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.date-divider {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 0 6px;
  margin: 8px 0 4px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: linear-gradient(var(--bg-base) 70%, transparent);
}

.tx-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), background 0.2s, box-shadow 0.2s;
}

.tx-card:hover {
  transform: translateY(-2px);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-elevated);
}

.category-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tx-card-left {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
}

.tx-card-text .tx-desc {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tx-card-text .tx-meta {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.tx-card-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  white-space: nowrap;
}

.tx-amount {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
}

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

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

.tx-amount.scheduled {
  color: var(--color-scheduled);
}

.badge {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 999px;
  font-weight: 600;
}

.badge.scheduled {
  background: var(--color-scheduled-dim);
  color: var(--color-scheduled);
}

.badge.recurring {
  background: var(--accent-dim);
  color: var(--accent);
}

.badge.paused {
  background: var(--bg-overlay);
  color: var(--text-muted);
}

.badge.type-income,
.badge.type-expense {
  font-size: 0.65rem;
}

.badge.type-income {
  background: var(--color-income-dim);
  color: var(--color-income);
}

.badge.type-expense {
  background: var(--color-expense-dim);
  color: var(--color-expense);
}

.semantic-hint {
  margin: 0 0 12px;
  line-height: 1.4;
}

.semantic-color-grid {
  display: grid;
  gap: 10px;
  margin-bottom: 8px;
}

.semantic-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.semantic-color-label {
  font-size: 0.9rem;
  color: var(--text-primary);
}

.semantic-color-row input[type='color'] {
  width: 40px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0;
  cursor: pointer;
  background: transparent;
}

.chart-palette-toggle {
  margin-bottom: 12px;
}

.chart-palette-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.chart-palette-grid .semantic-color-row.compact {
  justify-content: center;
  padding: 8px;
}

.sync-google-btn {
  margin-top: 8px;
}

.sync-sign-out-btn {
  width: 100%;
  margin-top: 8px;
}

#cloud-backup-section code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* Upcoming compact rows */
.upcoming-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.upcoming-row:last-child {
  border-bottom: none;
}

.date-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  white-space: nowrap;
}

/* Toolbar & filters */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-right: auto;
}

.filter-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.85rem;
}

.filter-pill.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.toolbar select,
.filter-select {
  appearance: none;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 8px 32px 8px 12px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b93a5'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

/* Recurring cards */
.recurring-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.recurring-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.recurring-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}

.recurring-card.paused {
  opacity: 0.55;
  filter: saturate(0.4);
}

.recurring-card.paused::after {
  content: 'PAUSED';
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  background: var(--bg-overlay);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.recurring-card-main h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
}

.recurring-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.freq-badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
}

.recurring-amount {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  text-align: right;
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 2px;
  top: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: transform 0.2s var(--ease-out), background 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: var(--accent);
}

/* Categories grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

@media (min-width: 600px) {
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .categories-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.category-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}

.category-card.add-placeholder {
  border-style: dashed;
  border-color: var(--border-strong);
  background: transparent;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.category-card.add-placeholder:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.category-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
}

.category-card-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.category-card-cap {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.category-card-actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
}

.category-card-actions button {
  flex: 1;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 6px;
  font-size: 0.78rem;
}

.category-card-actions .danger {
  color: var(--color-expense);
}

.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
}

/* Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: 16px;
  right: 16px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(17, 19, 24, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 8px 6px;
  z-index: 8;
  box-shadow: var(--shadow-elevated);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 4px;
  font-size: 0.65rem;
  border-radius: var(--radius-md);
  position: relative;
}

.nav-btn .nav-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.nav-btn.active {
  color: var(--accent);
}

.nav-btn.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* FAB */
.fab {
  position: fixed;
  right: 20px;
  bottom: calc(var(--fab-offset) + env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0c0f;
  border: none;
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1;
  z-index: 9;
  box-shadow: 0 0 20px var(--accent-glow), var(--shadow-card);
  display: none;
}

.fab.visible {
  display: flex;
  align-items: center;
  justify-content: center;
}

.fab:hover {
  transform: scale(1.06);
}

/* Settings */
.settings-group {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
}

.settings-group h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.settings-group.danger {
  border-color: rgba(248, 113, 113, 0.25);
}

.settings-row-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 8px;
}

.settings-row-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

.settings-row-btn.danger {
  color: var(--color-expense);
}

.settings-group .ghost-btn,
.settings-group .danger-btn {
  width: 100%;
  margin-bottom: 8px;
}

.accent-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.accent-swatch {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid transparent;
  padding: 0;
  cursor: pointer;
  transition: transform 0.15s;
}

.accent-swatch:hover {
  transform: scale(1.08);
}

.accent-swatch.active {
  box-shadow: 0 0 0 2px var(--bg-base), 0 0 0 4px currentColor;
}

.accent-custom-wrap {
  position: relative;
}

.accent-custom-wrap input[type='color'] {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  background: transparent;
}

.accent-custom-wrap.active {
  box-shadow: 0 0 0 2px var(--bg-base), 0 0 0 4px var(--accent);
  border-radius: 50%;
}

.surface-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.surface-preset-btn {
  flex: 1;
  min-width: 90px;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 0.85rem;
}

.surface-preset-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Form fields */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  position: relative;
}

.field > span {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input,
.field select,
.field textarea {
  padding: 14px 12px 10px;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  background: var(--bg-overlay);
  color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 420px) {
  .field-row {
    grid-template-columns: 1fr;
  }
}

.checkbox-field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

/* Modal */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal-root:not(.hidden) {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal {
  position: relative;
  background: var(--bg-elevated);
  width: 100%;
  max-width: 520px;
  max-height: 92vh;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-elevated);
  animation: slideUp 0.28s var(--ease-out);
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.modal-actions .danger-btn {
  margin-right: auto;
}

.modal-body .primary-btn[type='submit'] {
  width: 100%;
  margin-top: 8px;
}

/* Inline confirm */
.inline-confirm {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.inline-confirm .danger-btn,
.inline-confirm .ghost-btn {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(var(--fab-offset) + 16px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  box-shadow: var(--shadow-elevated);
  z-index: 40;
  max-width: 90vw;
  text-align: center;
  transition: transform 0.35s var(--ease-out);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  border-color: var(--color-expense);
  color: var(--color-expense);
}

.empty {
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  padding: 24px 0;
  margin: 0;
}

.clock-icon::before {
  content: '⏱';
  margin-right: 4px;
  font-size: 0.85em;
}

/* Desktop layout */
@media (min-width: 768px) {
  .sidebar {
    display: flex;
  }

  .bottom-nav {
    display: none;
  }

  .main-area {
    margin-left: var(--sidebar-width);
  }

  #app {
    padding-bottom: 32px;
  }

  .fab {
    bottom: calc(24px + env(safe-area-inset-bottom));
  }

  .toast {
    bottom: calc(24px + env(safe-area-inset-bottom));
  }

  .modal-root {
    align-items: center;
    padding: 24px;
  }

  .modal {
    border-radius: var(--radius-xl);
    animation: modalFadeIn 0.25s var(--ease-out);
  }

  @keyframes modalFadeIn {
    from {
      opacity: 0;
      transform: translateY(16px) scale(0.98);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}