:root {
  --gc-primary: #2563eb;
  --gc-primary-dark: #1d4ed8;
  --gc-secondary: #7c3aed;
  --gc-accent: #10b981;
  --gc-success: #22c55e;
  --gc-warning: #f59e0b;
  --gc-danger: #ef4444;
  --gc-info: #38bdf8;
  --gc-bg: #f8fafc;
  --gc-surface: #ffffff;
  --gc-card: #f1f5f9;
  --gc-text: #0f172a;
  --gc-muted: #64748b;
  --gc-border: rgba(15, 23, 42, .08);
  --gc-shadow: 0 18px 55px rgba(15, 23, 42, .12);
  --gc-radius: 8px;
  --gc-gradient: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gc-money-gradient: linear-gradient(135deg, #10b981 0%, #38bdf8 100%);
}

html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  background: var(--gc-bg);
  color: var(--gc-text);
  font-family: Inter, Manrope, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  color-scheme: light;
}

body.theme-dark {
  --gc-bg: #020617;
  --gc-surface: #0f172a;
  --gc-card: #111827;
  --gc-text: #f8fafc;
  --gc-muted: #94a3b8;
  --gc-border: rgba(148, 163, 184, .14);
  --gc-shadow: 0 22px 70px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  body.theme-auto {
    --gc-bg: #020617;
    --gc-surface: #0f172a;
    --gc-card: #111827;
    --gc-text: #f8fafc;
    --gc-muted: #94a3b8;
    --gc-border: rgba(148, 163, 184, .14);
    --gc-shadow: 0 22px 70px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

a { color: inherit; text-decoration: none; }
.text-muted-soft { color: var(--gc-muted); }
.app-shell { min-height: 100vh; display: flex; }
.app-main { flex: 1; min-width: 0; padding: 18px 16px 96px; }
.content-wrap { max-width: 1180px; margin: 0 auto; }

.sidebar {
  width: 282px;
  min-height: 100vh;
  position: sticky;
  top: 0;
  padding: 18px;
  background: color-mix(in srgb, var(--gc-surface) 92%, transparent);
  border-right: 1px solid var(--gc-border);
}

.sidebar-logo { display: flex; align-items: center; gap: 12px; padding: 8px; margin-bottom: 20px; }
.logo-mark { width: 44px; height: 44px; }
.brand-title { font-weight: 800; font-size: 1.3rem; line-height: 1; }
.brand-subtitle { color: var(--gc-muted); font-size: .78rem; }
.nav-list { display: grid; gap: 6px; }
.nav-link-gc {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: var(--gc-radius);
  color: var(--gc-muted);
  font-weight: 700;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.nav-link-gc:hover,
.nav-link-gc.active {
  color: #fff;
  background: var(--gc-gradient);
  box-shadow: 0 12px 28px rgba(37, 99, 235, .22);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.header-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
}
.global-period .form-control {
  width: 150px;
  min-height: 42px;
  font-weight: 800;
}
.page-kicker { color: var(--gc-muted); font-size: .86rem; font-weight: 700; }
.page-title { font-weight: 800; margin: 0; font-size: clamp(1.35rem, 4vw, 2.2rem); }

.gc-card,
.metric-card,
.form-panel,
.chart-panel,
.list-panel {
  background: color-mix(in srgb, var(--gc-surface) 94%, transparent);
  border: 1px solid var(--gc-border);
  border-radius: var(--gc-radius);
  box-shadow: var(--gc-shadow);
}
.gc-card,
.form-panel,
.chart-panel,
.list-panel { padding: 16px; }
.glass-panel {
  background: color-mix(in srgb, var(--gc-surface) 76%, transparent);
  backdrop-filter: blur(18px);
}

.metric-card {
  position: relative;
  container-type: inline-size;
  padding: 16px;
  min-height: 132px;
  display: grid;
  gap: 12px;
  overflow: hidden;
}
.metric-content { min-width: 0; padding-right: 52px; }
.metric-icon {
  width: 42px;
  height: 42px;
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  place-items: center;
  border-radius: var(--gc-radius);
  background: var(--gc-gradient);
  color: #fff;
  flex: 0 0 auto;
}
.metric-value {
  font-weight: 800;
  font-size: clamp(1.08rem, 11cqw, 1.85rem);
  line-height: 1.08;
  white-space: nowrap;
  letter-spacing: 0;
}
.metric-label { color: var(--gc-muted); font-weight: 700; font-size: .9rem; }
.metric-card.success .metric-icon { background: var(--gc-money-gradient); }
.metric-card.danger .metric-icon { background: linear-gradient(135deg, #ef4444, #f59e0b); }
.metric-card.warning .metric-icon { background: linear-gradient(135deg, #f59e0b, #38bdf8); }

.btn-gc {
  border: 0;
  border-radius: var(--gc-radius);
  background: var(--gc-gradient);
  color: #fff;
  font-weight: 800;
  min-height: 44px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: 0 14px 30px rgba(37, 99, 235, .25);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;
}
.btn-gc:hover,
.btn-gc:focus,
.btn-gc:active {
  color: #fff;
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(37, 99, 235, .34);
}
.btn-gc:focus-visible,
.btn-soft:focus-visible,
.btn-icon:focus-visible,
.nav-link-gc:focus-visible,
.category-chip:focus-visible,
.type-toggle label:focus-within {
  outline: 0;
  box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--gc-primary) 26%, transparent);
}
.btn-soft {
  border: 1px solid var(--gc-border);
  background: color-mix(in srgb, var(--gc-surface) 92%, transparent);
  color: var(--gc-text);
  border-radius: var(--gc-radius);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  white-space: nowrap;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-soft:hover,
.btn-soft:focus,
.btn-soft:active,
.btn-soft.show {
  background: color-mix(in srgb, var(--gc-primary) 13%, var(--gc-surface));
  border-color: color-mix(in srgb, var(--gc-primary) 48%, var(--gc-border));
  color: var(--gc-text);
  box-shadow: 0 10px 24px rgba(15, 23, 42, .12);
}
body.theme-dark .btn-soft:hover,
body.theme-dark .btn-soft:focus,
body.theme-dark .btn-soft:active,
body.theme-dark .btn-soft.show {
  color: #f8fafc;
  background: color-mix(in srgb, var(--gc-primary) 22%, var(--gc-surface));
  border-color: color-mix(in srgb, var(--gc-info) 36%, var(--gc-border));
}
.btn-soft.text-start {
  justify-content: flex-start;
}
.btn-sm.btn-gc,
.btn-sm.btn-soft {
  min-height: 36px;
  padding: 7px 10px;
  font-size: .875rem;
}
.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--gc-radius);
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--gc-border);
  background: color-mix(in srgb, var(--gc-surface) 92%, transparent);
  color: var(--gc-text);
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn-icon:hover,
.btn-icon:focus,
.btn-icon:active {
  background: color-mix(in srgb, var(--gc-primary) 13%, var(--gc-surface));
  border-color: color-mix(in srgb, var(--gc-primary) 48%, var(--gc-border));
  color: var(--gc-text);
}
body.theme-dark .btn-icon:hover,
body.theme-dark .btn-icon:focus,
body.theme-dark .btn-icon:active {
  color: #f8fafc;
  background: color-mix(in srgb, var(--gc-primary) 22%, var(--gc-surface));
}

.quick-hero {
  min-height: calc(100vh - 110px);
  display: grid;
  align-items: center;
}
.quick-panel {
  max-width: 560px;
  margin: 0 auto;
  width: 100%;
}
.amount-input {
  min-height: 74px;
  font-size: clamp(2rem, 12vw, 3.4rem);
  font-weight: 800;
  border: 1px solid var(--gc-border);
  border-bottom: 2px solid color-mix(in srgb, var(--gc-muted) 28%, var(--gc-border));
  border-radius: var(--gc-radius);
  background: color-mix(in srgb, var(--gc-surface) 88%, transparent);
  color: var(--gc-text);
  padding-inline: 14px;
}
.amount-input::placeholder {
  color: color-mix(in srgb, var(--gc-muted) 72%, var(--gc-text));
  opacity: .82;
}
.amount-input:hover {
  border-color: color-mix(in srgb, var(--gc-primary) 38%, var(--gc-border));
}
.amount-input:focus {
  background: color-mix(in srgb, var(--gc-surface) 96%, transparent);
  color: var(--gc-text);
  box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--gc-primary) 20%, transparent);
  border-color: var(--gc-primary);
}
.type-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.type-toggle label,
.category-chip {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--gc-border);
  border-radius: var(--gc-radius);
  background: var(--gc-surface);
  color: var(--gc-text);
  font-weight: 800;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.type-toggle label:hover,
.category-chip:hover {
  background: color-mix(in srgb, var(--gc-primary) 10%, var(--gc-surface));
  border-color: color-mix(in srgb, var(--gc-primary) 38%, var(--gc-border));
  color: var(--gc-text);
}
.type-toggle input,
.category-chip input { display: none; }
.type-toggle label:has(input:checked),
.category-chip:has(input:checked) {
  color: #fff;
  background: var(--gc-gradient);
  border-color: transparent;
  box-shadow: 0 12px 26px rgba(37, 99, 235, .22);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.category-chip {
  justify-content: flex-start;
  padding: 10px;
  min-width: 0;
}
.category-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.transaction-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--gc-border);
}
.transaction-row:last-child { border-bottom: 0; }
.recurring-edit {
  border-bottom: 1px solid var(--gc-border);
}
.recurring-edit:last-of-type {
  border-bottom: 0;
}
.recurring-edit > summary {
  list-style: none;
  cursor: pointer;
}
.recurring-edit > summary::-webkit-details-marker {
  display: none;
}
.recurring-edit .transaction-row {
  border-bottom: 0;
}
.recurring-edit[open] .recurring-edit-button {
  color: #fff;
  background: var(--gc-gradient);
  border-color: transparent;
}
.recurring-toolbar {
  display: flex;
  justify-content: flex-end;
  margin: 4px 0 8px;
}
.recurring-actions {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 6px;
  align-items: center;
}
.recurring-actions form {
  display: inline-flex;
  margin: 0;
}
.recurring-actions .btn {
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  flex: 0 0 38px;
}
.avatar-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--gc-radius);
  color: #fff;
  flex: 0 0 auto;
}
.value-income { color: var(--gc-success); font-weight: 800; }
.value-expense { color: var(--gc-danger); font-weight: 800; }

.badge-soft {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--gc-radius);
  border: 1px solid var(--gc-border);
  padding: 6px 9px;
  font-size: .82rem;
  font-weight: 800;
  color: var(--gc-muted);
}
.progress { background: color-mix(in srgb, var(--gc-muted) 18%, transparent); }
.progress-bar { background: var(--gc-money-gradient); }
.empty-state { min-height: 180px; display: grid; place-items: center; text-align: center; color: var(--gc-muted); }

.bottom-nav {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: 10px;
  z-index: 1040;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 8px;
  background: color-mix(in srgb, var(--gc-surface) 88%, transparent);
  border: 1px solid var(--gc-border);
  border-radius: var(--gc-radius);
  box-shadow: var(--gc-shadow);
  backdrop-filter: blur(18px);
}
.bottom-nav a {
  min-height: 54px;
  border-radius: var(--gc-radius);
  display: grid;
  place-items: center;
  gap: 2px;
  color: var(--gc-muted);
  font-size: .72rem;
  font-weight: 800;
}
.bottom-nav a i { font-size: 1.25rem; }
.bottom-nav a.active { color: var(--gc-primary); background: color-mix(in srgb, var(--gc-primary) 12%, transparent); }
.bottom-nav .launch {
  transform: translateY(-16px);
  color: #fff;
  background: var(--gc-gradient);
  box-shadow: 0 16px 30px rgba(37, 99, 235, .3);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
  background: linear-gradient(135deg, #020617 0%, #0f172a 52%, #111827 100%);
}
.auth-card {
  width: min(100%, 440px);
  background: rgba(255, 255, 255, .96);
  border-radius: var(--gc-radius);
  padding: 24px;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .35);
}
.auth-card .form-control { min-height: 48px; }

.form-control,
.form-select {
  border-radius: var(--gc-radius);
  min-height: 44px;
  border: 1px solid var(--gc-border);
  background-color: color-mix(in srgb, var(--gc-surface) 94%, transparent);
  color: var(--gc-text);
  caret-color: var(--gc-primary);
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.form-control::placeholder,
textarea.form-control::placeholder {
  color: color-mix(in srgb, var(--gc-muted) 78%, var(--gc-text));
  opacity: .86;
}
.form-control:hover,
.form-select:hover {
  border-color: color-mix(in srgb, var(--gc-primary) 36%, var(--gc-border));
  background-color: color-mix(in srgb, var(--gc-surface) 98%, transparent);
}
.form-control:focus,
.form-select:focus {
  color: var(--gc-text);
  background-color: color-mix(in srgb, var(--gc-surface) 98%, transparent);
  border-color: var(--gc-primary);
  box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--gc-primary) 20%, transparent);
}
.form-control:disabled,
.form-select:disabled,
.form-control[readonly] {
  color: var(--gc-muted);
  background-color: color-mix(in srgb, var(--gc-muted) 10%, var(--gc-surface));
  border-color: var(--gc-border);
}
.form-select option {
  color: var(--gc-text);
  background-color: var(--gc-surface);
}
.form-control-color {
  padding: 6px;
}
.form-check-input {
  background-color: color-mix(in srgb, var(--gc-surface) 94%, transparent);
  border-color: color-mix(in srgb, var(--gc-muted) 44%, var(--gc-border));
  cursor: pointer;
}
.form-check-input:checked {
  background-color: var(--gc-primary);
  border-color: var(--gc-primary);
}
.form-check-input:focus {
  border-color: var(--gc-primary);
  box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--gc-primary) 22%, transparent);
}
.form-control::-webkit-calendar-picker-indicator,
.form-control::-webkit-inner-spin-button,
.form-control::-webkit-search-cancel-button {
  opacity: .8;
}
body.theme-dark .form-control::-webkit-calendar-picker-indicator,
body.theme-dark .form-control::-webkit-inner-spin-button,
body.theme-dark .form-control::-webkit-search-cancel-button {
  filter: invert(1) brightness(1.45) saturate(.8);
  opacity: .9;
}
@media (prefers-color-scheme: dark) {
  body.theme-auto .btn-soft:hover,
  body.theme-auto .btn-soft:focus,
  body.theme-auto .btn-soft:active,
  body.theme-auto .btn-soft.show,
  body.theme-auto .btn-icon:hover,
  body.theme-auto .btn-icon:focus,
  body.theme-auto .btn-icon:active {
    color: #f8fafc;
    background: color-mix(in srgb, var(--gc-primary) 22%, var(--gc-surface));
    border-color: color-mix(in srgb, var(--gc-info) 36%, var(--gc-border));
  }

  body.theme-auto .form-control::-webkit-calendar-picker-indicator,
  body.theme-auto .form-control::-webkit-inner-spin-button,
  body.theme-auto .form-control::-webkit-search-cancel-button {
    filter: invert(1) brightness(1.45) saturate(.8);
    opacity: .9;
  }
}
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill {
  -webkit-text-fill-color: var(--gc-text);
  box-shadow: 0 0 0 1000px color-mix(in srgb, var(--gc-primary) 10%, var(--gc-surface)) inset;
  transition: background-color 9999s ease-out 0s;
}
.form-label { font-weight: 800; color: var(--gc-text); }
.table { color: var(--gc-text); }
.table > :not(caption) > * > * { background: transparent; color: inherit; }

.toast-gc {
  position: fixed;
  right: 16px;
  top: 16px;
  z-index: 1080;
  max-width: min(360px, calc(100vw - 32px));
}

@media (min-width: 992px) {
  .app-main { padding: 24px; }
  .bottom-nav { display: none; }
}

@media (max-width: 991.98px) {
  .sidebar { display: none; }
  .app-header { align-items: flex-start; }
  .header-actions { max-width: 58%; }
  .global-period .form-control { width: 138px; }
  .app-header .btn-icon {
    width: 42px;
    min-width: 42px;
  }
  .desktop-only { display: none !important; }
  .metric-card {
    min-height: 118px;
    padding: 14px 16px;
  }
  .metric-content { padding-right: 46px; }
  .metric-icon {
    width: 40px;
    height: 40px;
    top: 16px;
    right: 16px;
  }
  .metric-value { font-size: clamp(1.08rem, 11cqw, 1.62rem); }
  form.d-flex.flex-wrap > .form-control[type="month"] {
    flex: 1 1 0;
    min-width: 0;
    max-width: none !important;
  }
  form.d-flex.flex-wrap > .btn {
    flex: 0 0 auto;
  }
}

@media (max-width: 420px) {
  .category-grid { grid-template-columns: 1fr; }
  .app-main { padding-inline: 12px; }
  .gc-card,
  .form-panel,
  .chart-panel,
  .list-panel { padding: 14px; }
  .metric-card { padding: 14px; }
  .metric-content { padding-right: 42px; }
  .metric-icon {
    width: 38px;
    height: 38px;
    right: 14px;
    top: 16px;
  }
  .metric-value { font-size: clamp(1.02rem, 11cqw, 1.34rem); }
  .metric-label { font-size: .84rem; }
  .btn-gc,
  .btn-soft {
    padding-inline: 12px;
    font-size: .95rem;
  }
}