/* === MONEYMIND STYLES === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #818cf8;
  --accent-glow: rgba(129,140,248,0.25);
  --bg-base: #080b14;
  --bg-surface: #0f1420;
  --bg-card: #141929;
  --bg-elevated: #1c2338;
  --text-primary: #f0f4ff;
  --text-secondary: #8892ab;
  --text-muted: #4a5568;
  --border: rgba(255,255,255,0.07);
  --income: #34d399;
  --expense: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.2s ease;
}

[data-theme="light"] {
  --bg-base: #f0f4ff;
  --bg-surface: #e8eeff;
  --bg-card: #ffffff;
  --bg-elevated: #f8faff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: rgba(0,0,0,0.08);
  --shadow: 0 8px 32px rgba(0,0,0,0.1);
}

body {
  font-family: 'Prompt', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 64px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}
.nav-brand { display: flex; align-items: center; min-width: 160px; }
.brand-name { font-size: 18px; font-weight: 700; background: linear-gradient(135deg, var(--accent), #c084fc); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-tabs { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-tab {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 18px; border-radius: 10px;
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); font-family: 'Prompt', sans-serif;
  font-size: 14px; font-weight: 500;
  transition: all var(--transition);
}
.nav-tab:hover { background: var(--bg-elevated); color: var(--text-primary); }
.nav-tab.active { background: var(--accent-glow); color: var(--accent); }
.tab-icon { width: 16px; height: 16px; }
.btn-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all var(--transition);
}
.btn-icon svg { width: 18px; height: 18px; }
.btn-icon:hover { background: var(--accent-glow); color: var(--accent); border-color: var(--accent); }

/* MAIN */
.main-content { max-width: 960px; margin: 0 auto; padding: 24px 20px 120px; }
.view { display: none; flex-direction: column; gap: 20px; animation: fadeIn 0.3s ease; }
.view.active { display: flex; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* BALANCE HERO */
.balance-hero {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.45) 0%, rgba(167, 139, 250, 0.65) 100%), url('kittens.jpg');
  background-size: cover;
  background-position: center;
  border-radius: 24px;
  padding: 56px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 48px var(--accent-glow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.balance-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 60px var(--accent-glow);
}
.balance-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.2); /* elegant overlay to ensure extreme readability */
  z-index: 1;
}
.balance-label { font-size: 14px; color: rgba(255,255,255,0.9); margin-bottom: 4px; z-index: 2; font-weight: 600; text-shadow: 0 1px 4px rgba(0,0,0,0.3); }
.balance-amount { font-size: 48px; font-weight: 700; color: white; letter-spacing: -1px; z-index: 2; text-shadow: 0 2px 12px rgba(0,0,0,0.4); }

/* SUMMARY GRID */
.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.summary-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.summary-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.summary-icon svg { width: 20px; height: 20px; }
.income-card .summary-icon { background: rgba(52,211,153,0.15); color: var(--income); }
.expense-card .summary-icon { background: rgba(248,113,113,0.15); color: var(--expense); }
.summary-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.summary-value { font-size: 22px; font-weight: 700; }
.income-card .summary-value { color: var(--income); }
.expense-card .summary-value { color: var(--expense); }

/* CARD */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 600; }
.btn-text { background: none; border: none; cursor: pointer; color: var(--accent); font-family: 'Prompt', sans-serif; font-size: 13px; }
.btn-text:hover { text-decoration: underline; }

/* CHARTS */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card { padding: 20px; }
.chart-card .card-title { margin-bottom: 16px; }
.chart-wrapper { position: relative; height: 180px; display: flex; align-items: center; justify-content: center; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.legend-item { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-secondary); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* TRANSACTIONS */
.transaction-list { display: flex; flex-direction: column; gap: 2px; }
.transaction-item {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  border-radius: 8px;
}
.transaction-item:last-child { border-bottom: none; }
.transaction-item:hover { background: var(--bg-elevated); padding-left: 8px; }
.tx-icon-dot-container {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.tx-icon-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.tx-info { flex: 1; }
.tx-category { font-size: 14px; font-weight: 500; }
.tx-note { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.tx-right { text-align: right; }
.tx-amount { font-size: 15px; font-weight: 600; }
.tx-amount.income { color: var(--income); }
.tx-amount.expense { color: var(--expense); }
.tx-date { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.tx-delete {
  width: 30px; height: 30px; border-radius: 8px;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: all var(--transition);
}
.tx-delete svg { width: 14px; height: 14px; }
.transaction-item:hover .tx-delete { opacity: 1; }
.tx-delete:hover { background: rgba(248,113,113,0.15); color: var(--expense); }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.empty-icon-svg { color: var(--accent); opacity: 0.65; margin-bottom: 4px; display: flex; align-items: center; justify-content: center; }
.empty-sub { font-size: 12px; color: var(--text-muted); opacity: 0.8; }

/* FAB */
.fab {
  position: fixed; bottom: 28px; right: 28px;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--accent);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px var(--accent-glow);
  transition: all var(--transition);
  z-index: 200;
}
.fab svg { width: 24px; height: 24px; color: white; }
.fab:hover { transform: scale(1.1) rotate(90deg); box-shadow: 0 12px 32px var(--accent-glow); }

/* MODAL */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 300;
  animation: fadeIn 0.2s ease;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg-card);
  border-radius: 24px 24px 0 0;
  padding: 28px 24px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: slideUp 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-sm { border-radius: 24px; max-width: 380px; margin: auto; }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.modal-header { display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 18px; font-weight: 700; }
.btn-close {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--bg-elevated); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all var(--transition);
}
.btn-close svg { width: 16px; height: 16px; }
.btn-close:hover { background: rgba(248,113,113,0.15); color: var(--expense); }

/* TYPE TOGGLE */
.type-toggle { display: flex; gap: 8px; background: var(--bg-elevated); padding: 5px; border-radius: 12px; }
.type-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px; border-radius: 9px;
  background: none; border: none; cursor: pointer;
  color: var(--text-secondary); font-family: 'Prompt', sans-serif;
  font-size: 14px; font-weight: 500; transition: all var(--transition);
}
.type-btn.active[data-type="expense"] { background: rgba(248,113,113,0.2); color: var(--expense); }
.type-btn.active[data-type="income"] { background: rgba(52,211,153,0.2); color: var(--income); }

/* AMOUNT INPUT */
.amount-input-wrapper {
  display: flex; align-items: center;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 16px;
  transition: border-color var(--transition);
}
.amount-input-wrapper:focus-within { border-color: var(--accent); }
.currency-symbol { font-size: 28px; font-weight: 600; color: var(--accent); margin-right: 8px; }
.amount-input {
  flex: 1; background: none; border: none; outline: none;
  font-size: 36px; font-weight: 700; color: var(--text-primary);
  font-family: 'Prompt', sans-serif;
  width: 100%;
}
.amount-input::placeholder { color: var(--text-muted); }

/* CATEGORY GRID */
.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.cat-btn {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 10px 6px; border-radius: 12px;
  background: var(--bg-elevated); border: 2px solid transparent;
  cursor: pointer; transition: all var(--transition);
  color: var(--text-secondary);
}
.cat-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.cat-btn.selected { border-color: var(--accent); background: var(--accent-glow); color: var(--accent); }
.cat-dot { width: 10px; height: 10px; border-radius: 50%; margin-bottom: 6px; }
.cat-label { font-size: 11px; font-family: 'Prompt', sans-serif; text-align: center; line-height: 1.2; font-weight: 500; }

/* FORM */
.field-group { display: flex; flex-direction: column; gap: 8px; }
.field-label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.input {
  background: var(--bg-elevated); border: 2px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 14px;
  color: var(--text-primary); font-family: 'Prompt', sans-serif;
  font-size: 14px; outline: none; transition: border-color var(--transition);
  width: 100%;
}
.input:focus { border-color: var(--accent); }

/* BUTTONS */
.btn-primary {
  background: var(--accent); border: none; border-radius: var(--radius-sm);
  padding: 14px; color: white; font-family: 'Prompt', sans-serif;
  font-size: 15px; font-weight: 600; cursor: pointer; width: 100%;
  transition: all var(--transition);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-outlined {
  background: none; border: 2px dashed var(--border); border-radius: var(--radius-sm);
  padding: 12px; color: var(--text-secondary); font-family: 'Prompt', sans-serif;
  font-size: 14px; cursor: pointer; width: 100%; transition: all var(--transition);
}
.btn-outlined:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger {
  background: rgba(248,113,113,0.15); border: none; border-radius: var(--radius-sm);
  padding: 10px 20px; color: var(--expense); font-family: 'Prompt', sans-serif;
  font-size: 14px; font-weight: 600; cursor: pointer; transition: all var(--transition);
}
.btn-danger:hover { background: rgba(248,113,113,0.3); }
.btn-sm {
  background: var(--accent); border: none; border-radius: 8px;
  padding: 7px 14px; color: white; font-family: 'Prompt', sans-serif;
  font-size: 13px; cursor: pointer;
}
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn-outlined { flex: 1; }
.confirm-text { color: var(--text-secondary); font-size: 14px; }

/* VIEW HEADER */
.view-header { display: flex; align-items: center; justify-content: space-between; }
.view-title { font-size: 22px; font-weight: 700; }

/* FILTERS */
.filter-bar { display: flex; flex-direction: column; gap: 12px; }
.search-box {
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 14px;
}
.search-icon { width: 16px; height: 16px; color: var(--text-muted); flex-shrink: 0; }
.search-input { background: none; border: none; outline: none; color: var(--text-primary); font-family: 'Prompt', sans-serif; font-size: 14px; flex: 1; }
.filter-chips { display: flex; gap: 8px; }
.chip {
  padding: 6px 14px; border-radius: 20px;
  background: var(--bg-card); border: 1px solid var(--border);
  cursor: pointer; font-family: 'Prompt', sans-serif; font-size: 13px;
  color: var(--text-secondary); transition: all var(--transition);
}
.chip.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
.filter-selects { display: flex; gap: 10px; }
.select-input {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 8px 12px;
  color: var(--text-primary); font-family: 'Prompt', sans-serif;
  font-size: 13px; outline: none;
}

/* HISTORY LIST */
.history-list { display: flex; flex-direction: column; gap: 16px; }
.date-group-header {
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  padding: 4px 0; border-bottom: 1px solid var(--border);
}
.date-group-items { display: flex; flex-direction: column; gap: 2px; }

/* BUDGET */
.month-selector { display: flex; align-items: center; gap: 12px; }
.btn-icon-sm {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); transition: all var(--transition);
}
.btn-icon-sm svg { width: 14px; height: 14px; }
.btn-icon-sm:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }
#budgetMonthLabel { font-size: 15px; font-weight: 500; min-width: 130px; text-align: center; }
.budget-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; text-align: center; }
.budget-summary-item .bsi-label { font-size: 12px; color: var(--text-muted); }
.budget-summary-item .bsi-value { font-size: 20px; font-weight: 700; margin-top: 4px; }
.budget-list { display: flex; flex-direction: column; gap: 12px; }
.budget-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 20px;
}
.budget-item-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.budget-cat { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.budget-amounts { font-size: 13px; color: var(--text-secondary); }
.budget-amounts span { font-weight: 600; color: var(--text-primary); }
.progress-bar { height: 8px; background: var(--bg-elevated); border-radius: 10px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 10px; transition: width 0.6s ease; background: var(--accent); }
.progress-fill.warning { background: #fb923c; }
.progress-fill.danger { background: var(--expense); }
.budget-item-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.budget-percent { font-size: 12px; color: var(--text-muted); }
.budget-edit-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 12px; font-family: 'Prompt', sans-serif;
  transition: color var(--transition);
}
.budget-edit-btn:hover { color: var(--accent); }

/* THEME PANEL */
.panel-overlay {
  position: fixed; inset: 0;
  display: flex; align-items: flex-start; justify-content: flex-end;
  z-index: 400; padding-top: 70px;
}
.panel-overlay.hidden { display: none; }
.theme-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 300px;
  margin-right: 16px;
  box-shadow: var(--shadow);
  animation: fadeIn 0.2s ease;
  display: flex; flex-direction: column; gap: 20px;
}
.panel-header { display: flex; align-items: center; justify-content: space-between; }
.panel-header h3 { font-size: 16px; font-weight: 700; }
.theme-section { display: flex; flex-direction: column; gap: 10px; }
.theme-section-title { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.mode-toggle { display: flex; gap: 8px; }
.mode-btn {
  flex: 1; padding: 9px; border-radius: 9px;
  background: var(--bg-elevated); border: 2px solid transparent;
  cursor: pointer; font-family: 'Prompt', sans-serif; font-size: 13px;
  color: var(--text-secondary); transition: all var(--transition);
}
.mode-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.preset-colors { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-dot {
  width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid transparent; cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
  outline: none;
}
.preset-dot:hover { transform: scale(1.15); }
.preset-dot.active { border-color: white; }
.custom-color-row { display: flex; align-items: center; gap: 10px; }
.color-picker { width: 42px; height: 42px; border-radius: 10px; border: 2px solid var(--border); cursor: pointer; padding: 2px; }
#colorHexLabel { flex: 1; font-size: 13px; color: var(--text-secondary); font-family: monospace; }

/* SETTINGS TABS & CONTENT */
.settings-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
  gap: 4px;
}
.settings-tab {
  flex: 1;
  padding: 8px 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Prompt', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}
.settings-tab:hover {
  color: var(--text-primary);
}
.settings-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.settings-content {
  display: none;
  flex-direction: column;
  gap: 20px;
}
.settings-content.active {
  display: flex;
}

/* TYPE SELECTOR IN SETTINGS */
.type-toggle-settings {
  display: flex;
  background: var(--bg-elevated);
  padding: 4px;
  border-radius: 10px;
  gap: 4px;
}
.type-settings-btn {
  flex: 1;
  padding: 8px;
  border-radius: 7px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: 'Prompt', sans-serif;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition);
}
.type-settings-btn.active[data-type="expense"] {
  background: rgba(248, 113, 113, 0.2);
  color: var(--expense);
}
.type-settings-btn.active[data-type="income"] {
  background: rgba(52, 211, 153, 0.2);
  color: var(--income);
}

/* CATEGORY MANAGER LIST */
.settings-cat-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  padding-right: 4px;
}
.settings-cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-elevated);
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.settings-cat-item:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.settings-cat-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.settings-cat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.settings-cat-delete-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.settings-cat-delete-btn:hover {
  background: rgba(248, 113, 113, 0.15);
  color: var(--expense);
}

/* ADD CATEGORY FORM */
.add-cat-section {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.add-cat-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.add-cat-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.color-label {
  font-size: 12px;
  color: var(--text-muted);
}
.color-picker-sm {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  padding: 1px;
  background: none;
}
.btn-primary-sm {
  flex: 1;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 8px;
  font-family: 'Prompt', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-primary-sm:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.empty-state-sm {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  padding: 16px 0;
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-elevated);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 30px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* DASHBOARD MONTH NAV & HEADER */
.dashboard-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 16px;
}
.dashboard-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.month-nav {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 6px;
  gap: 8px;
}
.month-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 110px;
  text-align: center;
  user-select: none;
}
.btn-icon-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.btn-icon-sm:hover {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .charts-grid { grid-template-columns: 1fr; }
  .balance-hero {
    padding: 36px 20px;
  }
  .balance-amount { font-size: 36px; }
  .category-grid { grid-template-columns: repeat(4,1fr); }
  .navbar { padding: 0 12px; }
  .nav-tab span { display: none; }
  .brand-name { display: none; }
  .main-content { padding: 16px 12px 120px; }
}