/* ============================================================
   BudgetMate - style.css (v3 - Clean & Simple)
   Neutral slate palette, sidebar layout, bilingual support
   ============================================================ */

/* Google Fonts loaded in HTML */

/* ==============================================================
   CSS CUSTOM PROPERTIES
   ============================================================== */
:root {
  /* Material Dashboard React Colors - Dark Mode */
  --clr-bg:           #1a2035;
  --clr-surface:      #202940;
  --clr-surface-2:    #28314e;
  --clr-surface-3:    #303c61;
  --clr-border:       rgba(255, 255, 255, 0.08);
  --clr-border-focus: #ec407a;

  /* Text colors */
  --clr-text:         #ffffff;
  --clr-text-2:       #a9afbc;
  --clr-text-3:       #7b809a;

  /* Brand - Material Pink Gradient */
  --clr-primary:      #e91e63;
  --clr-primary-2:    #ec407a;
  --clr-primary-glow: rgba(233, 30, 99, 0.15);
  --clr-primary-bg:   rgba(233, 30, 99, 0.1);

  /* Semantic colors */
  --clr-income:       #4caf50;
  --clr-income-bg:    rgba(76, 175, 80, 0.12);
  --clr-income-glow:  rgba(76, 175, 80, 0.2);
  --clr-expense:      #f44336;
  --clr-expense-bg:   rgba(244, 67, 54, 0.12);
  --clr-expense-glow: rgba(244, 67, 54, 0.2);
  --clr-balance:      #00cae3;
  --clr-balance-bg:   rgba(0, 202, 227, 0.12);
  --clr-balance-glow: rgba(0, 202, 227, 0.2);

  /* Sidebar */
  --sidebar-w:        250px;
  --sidebar-bg:       linear-gradient(195deg, #42424a, #191919);
  --sidebar-border:   rgba(255, 255, 255, 0.05);

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;

  /* Shadows - Material Style */
  --shadow-sm:   0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.2), 0 1px 5px 0 rgba(0,0,0,0.12);
  --shadow-md:   0 4px 20px 0 rgba(0,0,0,0.14), 0 7px 10px -5px rgba(233,30,99,0.4);
  --shadow-lg:   0 16px 38px -12px rgba(0, 0, 0, 0.56), 0 4px 25px 0px rgba(0, 0, 0, 0.12), 0 8px 10px -5px rgba(0, 0, 0, 0.2);

  --font: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light theme overrides */
body.light {
  --clr-bg:           #f0f2f5;
  --clr-surface:      #ffffff;
  --clr-surface-2:    #f8f9fa;
  --clr-surface-3:    #f0f2f5;
  --clr-border:       rgba(0,0,0,0.08);
  --clr-border-focus: #e91e63;

  --clr-text:         #344767;
  --clr-text-2:       #7b809a;
  --clr-text-3:       #a8afbc;

  --clr-primary-glow: rgba(233, 30, 99, 0.1);
  --clr-primary-bg:   rgba(233, 30, 99, 0.06);

  --clr-income-bg:    rgba(76, 175, 80, 0.08);
  --clr-expense-bg:   rgba(244, 67, 54, 0.08);
  --clr-balance-bg:   rgba(0, 202, 227, 0.08);

  --shadow-sm:        0 2px 2px 0 rgba(0,0,0,0.06), 0 3px 1px -2px rgba(0,0,0,0.08), 0 1px 5px 0 rgba(0,0,0,0.06);
  --shadow-md:        0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg:        0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

/* ==============================================================
   RESET & BASE
   ============================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  display: flex;
  transition: background var(--transition), color var(--transition);
  line-height: 1.6;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-surface-3); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ==============================================================
   SIDEBAR
   ============================================================== */
.sidebar {
  width: var(--sidebar-w);
  height: calc(100vh - 30px);
  background: var(--sidebar-bg);
  border-right: none;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 15px; left: 15px; bottom: 15px;
  z-index: 150;
  transition: transform var(--transition);
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.25);
}

/* Brand */
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.sidebar-brand-icon {
  font-size: 1.5rem;
  width: 32px;
  height: 32px;
  background: linear-gradient(195deg, #ec407a, #d81b60);
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.sidebar-brand-text { display: flex; flex-direction: column; }
.sidebar-brand-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
}
.sidebar-brand-sub {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
  font-weight: 400;
}

/* Nav */
.sidebar-nav {
  flex: 1;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 300;
  transition: all var(--transition);
  position: relative;
}
.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.nav-item.active {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  color: #fff;
  font-weight: 500;
  box-shadow: 0 4px 10px 0 rgba(233, 30, 99, 0.3);
}
.nav-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: inherit;
}

/* Sidebar Footer */
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.lang-toggle-group {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
}
.lang-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  transition: all var(--transition);
}
.lang-btn.active {
  color: #fff;
  background: linear-gradient(195deg, #ec407a, #d81b60);
  padding: 2px 6px;
}
.lang-divider { color: rgba(255, 255, 255, 0.15); font-size: 0.75rem; }
.sidebar-theme-btn {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #fff !important;
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 140;
  backdrop-filter: blur(2px);
}

/* ==============================================================
   APP SHELL & TOPBAR
   ============================================================== */
.app-shell {
  flex: 1;
  margin-left: calc(var(--sidebar-w) + 30px);
  padding-right: 15px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.topbar {
  position: sticky;
  top: 15px;
  z-index: 120;
  background: rgba(32, 41, 64, 0.75);
  backdrop-filter: saturate(200%) blur(30px);
  -webkit-backdrop-filter: saturate(200%) blur(30px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  margin: 15px 0 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: all var(--transition);
}
body.light .topbar {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
}

.topbar-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.topbar-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 99px;
  transition: transform var(--transition), opacity var(--transition);
}

.topbar-title-wrap { flex: 1; min-width: 0; }
.topbar-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.topbar-subtitle {
  font-size: 0.72rem;
  color: var(--clr-text-2);
  font-weight: 300;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Currency tabs */
.currency-tabs {
  display: flex;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.currency-tab {
  border: none;
  background: transparent;
  color: var(--clr-text-2);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}
.currency-tab.active {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  color: #fff;
  box-shadow: 0 4px 10px 0 rgba(233, 30, 99, 0.2);
}

/* ==============================================================
   PAGE CONTENT & PAGES
   ============================================================== */
.page-content {
  flex: 1;
  padding: 24px 24px 60px;
}

.page { display: block; }
.page.hidden { display: none !important; }

/* ==============================================================
   CHART LAYOUT
   ============================================================== */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  margin-bottom: 16px;
  align-items: start;
}
@media (max-width: 1100px) {
  .chart-row { grid-template-columns: 1fr; }
}

.chart-panel-main { flex: 1; }
.chart-panel-side { min-width: 0; }

/* Chart body containers */
.chart-body {
  position: relative;
  padding: 12px 0;
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chart-body canvas {
  width: 100% !important;
  height: 100% !important;
}
.chart-body-side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 8px 0 12px;
}
.chart-body-side canvas {
  width: 180px !important;
  height: 180px !important;
  flex-shrink: 0;
}

/* Chart panel header extras */
.chart-subtitle {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
  margin-top: 2px;
}
.chart-legend {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.legend-label {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 500;
}

/* Donut legend */
.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.donut-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.donut-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.donut-legend-name {
  font-size: 0.78rem;
  font-weight: 500;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.donut-legend-pct {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-text-2);
}

/* Chart empty state */
.chart-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--clr-text-3);
  font-size: 0.8rem;
  text-align: center;
  pointer-events: none;
}
.chart-body-side .chart-empty {
  position: static;
  padding: 20px 0;
}

/* ==============================================================
   SUMMARY CARDS
   ============================================================== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 15px;
  margin-bottom: 30px;
}
@media (max-width: 720px) {
  .summary-grid { grid-template-columns: 1fr; gap: 30px; }
}

.summary-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  margin-top: 24px; /* Space for the floating icon */
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.summary-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-icon-container {
  position: absolute;
  top: -24px;
  left: 20px;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  display: grid;
  place-items: center;
  color: #fff;
  transition: transform var(--transition);
}
.summary-card:hover .card-icon-container {
  transform: scale(1.05);
}
.card-icon-container span {
  font-size: 1.75rem;
}

.income-gradient {
  background: linear-gradient(195deg, #66bb6a, #43a047);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(76, 175, 80, 0.4);
}
.expense-gradient {
  background: linear-gradient(195deg, #ef5350, #e53935);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(244, 67, 54, 0.4);
}
.balance-gradient {
  background: linear-gradient(195deg, #49a3f1, #1a73e8);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(0, 188, 212, 0.4);
}

.card-content {
  text-align: right;
  width: 100%;
}
.card-label {
  font-size: 0.85rem;
  color: var(--clr-text-2);
  font-weight: 300;
  text-transform: capitalize;
  letter-spacing: 0;
}
.card-value {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.4px;
  margin: 4px 0;
}
.income-card  .card-value { color: var(--clr-income); }
.expense-card .card-value { color: var(--clr-expense); }
.balance-card .card-value { color: var(--clr-balance); }
.balance-card.negative .card-value { color: var(--clr-expense); }
.card-count {
  font-size: 0.75rem;
  color: var(--clr-text-3);
  margin-top: 8px;
  border-top: 1px solid var(--clr-border);
  padding-top: 8px;
  text-align: left;
}

/* ==============================================================
   PANELS
   ============================================================== */
.panel {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 35px; /* Margin for negative margin headers */
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.panel:hover {
  box-shadow: var(--shadow-lg);
}
.panel + .panel { margin-top: 45px; }

.panel-header {
  position: relative;
  margin-top: -45px;
  margin-bottom: 24px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.14), 0 7px 10px -5px rgba(0, 0, 0, 0.2);
}
.panel-header.primary-gradient {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  box-shadow: 0 4px 20px 0 rgba(233, 30, 99, 0.2), 0 7px 10px -5px rgba(233, 30, 99, 0.3);
}
.panel-header.secondary-gradient {
  background: linear-gradient(195deg, #42424a, #191919);
  box-shadow: 0 4px 20px 0 rgba(0, 0, 0, 0.15), 0 7px 10px -5px rgba(0, 0, 0, 0.2);
}
.panel-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.1px;
}
.panel-body {
  padding-top: 5px;
}

/* Dashboard two-column row */
.dashboard-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 860px) {
  .dashboard-row { grid-template-columns: 1fr; }
}

/* Breakdown grid */
.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 12px;
}
.breakdown-chip {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 12px;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.breakdown-chip:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary-2);
}
.breakdown-cat { font-size: 0.72rem; color: var(--clr-text-2); font-weight: 500; }
.breakdown-amount { font-size: 1rem; font-weight: 700; margin-top: 4px; }
.breakdown-amount.income  { color: var(--clr-income); }
.breakdown-amount.expense { color: var(--clr-expense); }
.breakdown-bar-wrap { background: var(--clr-surface-3); border-radius: 99px; height: 4px; margin-top: 8px; overflow: hidden; }
.breakdown-bar { height: 100%; border-radius: 99px; transition: width 0.5s ease; }
.breakdown-bar.income  { background: var(--clr-income); }
.breakdown-bar.expense { background: var(--clr-expense); }

.empty-state-sm {
  font-size: 0.85rem;
  color: var(--clr-text-3);
  text-align: center;
  padding: 24px 0;
  grid-column: 1 / -1;
}

/* ==============================================================
   TRANSACTION LIST & ITEMS
   ============================================================== */
.transaction-list { display: flex; flex-direction: column; gap: 4px; }

.empty-state { text-align: center; padding: 40px 20px; }
.empty-icon  { font-size: 3rem; margin-bottom: 12px; opacity: 0.45; }
.empty-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.empty-desc  { font-size: 0.85rem; color: var(--clr-text-2); }

.tx-item {
  background: var(--clr-surface);
  border: none;
  border-bottom: 1px solid var(--clr-border);
  border-radius: 0;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition);
  animation: slideIn 0.2s ease;
}
.tx-item:hover {
  background: var(--clr-surface-2);
  transform: translateX(4px);
  box-shadow: none;
  border-bottom-color: var(--clr-border);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tx-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.tx-dot.income  { background: var(--clr-income); }
.tx-dot.expense { background: var(--clr-expense); }

.tx-main { flex: 1; min-width: 0; }
.tx-desc {
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tx-meta {
  font-size: 0.75rem;
  color: var(--clr-text-2);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
  align-items: center;
}
.tx-cat-badge {
  background: var(--clr-surface-3);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--clr-text-2);
}

.tx-right { text-align: right; flex-shrink: 0; }
.tx-amount { font-size: 0.95rem; font-weight: 700; }
.tx-amount.income  { color: var(--clr-income); }
.tx-amount.expense { color: var(--clr-expense); }
.tx-currency-badge { font-size: 0.68rem; color: var(--clr-text-3); margin-top: 2px; }

.tx-delete {
  background: transparent;
  border: none;
  color: var(--clr-text-3);
  cursor: pointer;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  padding: 4px;
  display: grid;
  place-items: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.tx-delete:hover { color: var(--clr-expense); background: var(--clr-expense-bg); }

/* ==============================================================
   FILTER ROW
   ============================================================== */
.filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.select-filter {
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  padding: 8px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font);
  transition: all var(--transition);
  outline: none;
}
.select-filter:focus {
  border-color: var(--clr-primary-2);
  box-shadow: 0 0 0 1px var(--clr-primary-2);
}
.select-filter::placeholder { color: var(--clr-text-3); }

/* ==============================================================
   CATEGORIES PAGE
   ============================================================== */
.cat-page-body { margin-top: 0; }
.add-cat-row {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.cat-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  gap: 12px;
  animation: slideIn 0.18s ease;
}
.cat-item-name { font-size: 0.875rem; font-weight: 700; flex: 1; }
.cat-item-type {
  font-size: 0.68rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface-3);
  color: var(--clr-text-2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cat-delete {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--clr-text-3);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  padding: 4px;
  display: grid;
  place-items: center;
  transition: all var(--transition);
}
.cat-delete:hover { color: var(--clr-expense); background: var(--clr-expense-bg); }
.cat-default-badge { font-size: 0.68rem; color: var(--clr-text-3); font-style: italic; }

/* ==============================================================
   SUMMARY PAGE
   ============================================================== */
.summary-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
@media (max-width: 860px) { .summary-page-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .summary-page-grid { grid-template-columns: 1fr; } }

.summary-stat-card {
  text-align: center;
  padding: 24px 16px;
  margin-top: 0; /* Keep baseline simple for stat cards */
}
.stat-label {
  font-size: 0.72rem;
  color: var(--clr-text-2);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.stat-value { font-size: 1.5rem; font-weight: 800; color: var(--clr-primary-2); letter-spacing: -0.4px; }

.top-cat-list { display: flex; flex-direction: column; gap: 14px; }
.top-cat-row { display: flex; align-items: center; gap: 12px; }
.top-cat-rank {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-text-3);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}
.top-cat-name { font-size: 0.875rem; font-weight: 700; flex: 1; }
.top-cat-bar-wrap { flex: 2; background: var(--clr-surface-3); border-radius: 99px; height: 6px; overflow: hidden; }
.top-cat-bar { height: 100%; border-radius: 99px; background: var(--clr-expense); transition: width 0.5s ease; }
.top-cat-amount { font-size: 0.875rem; font-weight: 700; color: var(--clr-expense); min-width: 90px; text-align: right; flex-shrink: 0; }

/* ==============================================================
   BUTTONS
   ============================================================== */
.btn-primary {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: 0 3px 3px 0 rgba(233, 30, 99, 0.15), 0 3px 1px -2px rgba(233, 30, 99, 0.2), 0 1.5px 5px 0 rgba(233, 30, 99, 0.15);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn-primary:hover {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -12px rgba(233, 30, 99, 0.4), 0 4px 23px 0px rgba(0, 0, 0, 0.15), 0 8px 10px -5px rgba(233, 30, 99, 0.2);
}
.btn-primary:active {
  transform: translateY(0) scale(0.98);
}
.btn-icon-inline {
  font-size: 1rem !important;
  line-height: 1;
}

.topbar-add-btn {
  padding: 8px 16px;
  font-size: 0.72rem;
}

.btn-secondary {
  background: linear-gradient(195deg, #747b97, #344767);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: 0 3px 3px 0 rgba(52, 71, 103, 0.15), 0 3px 1px -2px rgba(52, 71, 103, 0.2);
  transition: all var(--transition);
}
.btn-secondary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -12px rgba(52, 71, 103, 0.4), 0 4px 23px 0px rgba(0, 0, 0, 0.15);
}

.btn-secondary-sm {
  background: transparent;
  color: var(--clr-text-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-secondary-sm:hover {
  background: linear-gradient(195deg, #ec407a, #d81b60);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 10px 0 rgba(233, 30, 99, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--clr-text-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--clr-text);
  border-color: var(--clr-text-2);
}
body.light .btn-ghost:hover {
  background: rgba(0, 0, 0, 0.03);
}

.btn-danger-outline {
  background: transparent;
  color: var(--clr-expense);
  border: 1px solid var(--clr-expense);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.btn-danger-outline:hover {
  background: var(--clr-expense);
  color: #fff;
  box-shadow: 0 4px 10px 0 rgba(244, 67, 54, 0.3);
}

.btn-link {
  background: none;
  border: none;
  color: var(--clr-primary-2);
  font-size: 0.78rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: opacity var(--transition);
}
.btn-link:hover { opacity: 0.70; }

.btn-icon {
  background: var(--clr-surface-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition);
  color: var(--clr-text);
  flex-shrink: 0;
}
.btn-icon:hover { background: var(--clr-surface-2); }

/* ==============================================================
   MODAL
   ============================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 20px;
  animation: fadeIn 0.18s ease;
}
.modal-overlay[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 510px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.20s ease;
}
.modal-xs { max-width: 350px; }
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96) translateY(6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 0;
  margin-bottom: 18px;
}
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-close {
  background: var(--clr-surface-3);
  border: none;
  border-radius: var(--radius-sm);
  width: 28px; height: 28px;
  display: grid; place-items: center;
  cursor: pointer;
  font-size: 0.78rem;
  color: var(--clr-text-2);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--clr-expense-bg); color: var(--clr-expense); }

.modal-form, .cat-modal-body { padding: 0 22px 22px; }

/* ==============================================================
   FORM ELEMENTS
   ============================================================== */
.form-group { margin-bottom: 14px; }
.form-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.form-row .form-group { margin-bottom: 0; }
.flex-1 { flex: 1; }
.w-180 { width: 180px; flex-shrink: 0; }
.w-160 { width: 160px; flex-shrink: 0; }

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-text-2);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.required { color: var(--clr-expense); margin-left: 2px; }
.optional  { color: var(--clr-text-3); font-weight: 400; font-size: 0.72rem; text-transform: none; letter-spacing: 0; }

.form-input {
  width: 100%;
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--font);
  font-size: 0.875rem;
  padding: 10px 12px;
  transition: all var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus {
  border-color: var(--clr-primary-2);
  box-shadow: 0 0 0 1px var(--clr-primary-2);
}
.form-input::placeholder { color: var(--clr-text-3); }
.form-input option { background: var(--clr-surface); color: var(--clr-text); }
.form-textarea { resize: vertical; min-height: 55px; }
.form-input.error { border-color: var(--clr-expense); }

.error-msg {
  display: block;
  font-size: 0.72rem;
  color: var(--clr-expense);
  margin-top: 4px;
  min-height: 16px;
  animation: shakeIn 0.25s ease;
}
@keyframes shakeIn {
  0%,100% { transform: translateX(0); }
  25%      { transform: translateX(-3px); }
  75%      { transform: translateX(3px); }
}

/* Type Toggle */
.type-toggle-group { border: none; margin-bottom: 16px; }
.type-toggle { display: flex; gap: 7px; }
.type-btn { flex: 1; cursor: pointer; }
.type-btn input[type="radio"] { display: none; }
.type-btn span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--clr-text-2);
  background: var(--clr-surface-2);
  transition: all 0.18s;
  user-select: none;
}
.type-btn input:checked + span { border-color: transparent; color: #fff; }
#txIncome:checked  + span { background: var(--clr-income); box-shadow: 0 4px 10px 0 rgba(76, 175, 80, 0.3); }
#txExpense:checked + span { background: var(--clr-expense); box-shadow: 0 4px 10px 0 rgba(244, 67, 54, 0.3); }

/* Conversion preview */
.conversion-preview {
  background: var(--clr-surface-3);
  border: 1px dashed var(--clr-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  font-size: 0.78rem;
  color: var(--clr-text-2);
  margin-bottom: 14px;
  min-height: 34px;
  transition: all 0.25s;
}
.conversion-preview:empty { display: none; }
.conversion-preview .conv-amount { font-weight: 700; color: var(--clr-primary-2); }

/* Category row */
.category-row { display: flex; gap: 8px; align-items: center; }

/* Form actions */
.form-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px; }

/* ==============================================================
   TOAST
   ============================================================== */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
}
.toast {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 200px;
  animation: toastIn 0.25s ease forwards;
  pointer-events: all;
}
.toast.success { border-left: 3px solid var(--clr-income); }
.toast.error   { border-left: 3px solid var(--clr-expense); }
.toast.info    { border-left: 3px solid var(--clr-primary-2); }
@keyframes toastIn  { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
@keyframes toastOut { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(6px); } }

/* ==============================================================
   RESPONSIVE — MOBILE SIDEBAR
   ============================================================== */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-110%); }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-overlay.visible { display: block; }
  .app-shell { margin-left: 0; padding-right: 0; }
  .topbar { padding: 10px 14px; margin: 10px 0; }
  .topbar-hamburger { display: flex; }
  .topbar-subtitle { display: none; }
  .page-content { padding: 16px 14px 50px; }
  .form-row { flex-direction: column; }
  .w-180, .w-160 { width: 100%; }
  .topbar-add-btn span:not(.btn-plus):not(.btn-add-icon) { display: none; }
  .topbar-add-btn { padding: 7px 10px; }
}

@media (max-width: 520px) {
  .summary-page-grid { grid-template-columns: 1fr 1fr; }
  .filter-row { gap: 5px; }
  .currency-tabs { display: none; }
}