/* ============================================
   FINANCEAI — MAIN STYLES
   Aesthetic: Refined Dark-First Finance UI
   Fonts: Syne (display) + DM Sans (body)
   ============================================ */

/* ---- THEME VARIABLES ---- */
:root {
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --accent-mid: rgba(74, 222, 128, 0.3);
  --danger: #f87171;
  --warning: #fbbf24;
  --info: #60a5fa;

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

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --transition: 0.2s ease;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.25);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.35);

  --sidebar-w: 220px;
}

/* ---- DARK THEME (DEFAULT) ---- */
[data-theme="dark"] {
  --bg-base: #0c0d0f;
  --bg-surface: #141618;
  --bg-elevated: #1c1e22;
  --bg-hover: #23262b;
  --bg-modal: #1a1c20;

  --border: rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.12);

  --text-primary: #f0f1f3;
  --text-secondary: #8b8f9a;
  --text-muted: #555a66;

  --shadow-color: rgba(0,0,0,0.5);
  --chart-grid: rgba(255,255,255,0.05);
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
  --bg-base: #f4f5f7;
  --bg-surface: #ffffff;
  --bg-elevated: #f9fafb;
  --bg-hover: #f0f1f3;
  --bg-modal: #ffffff;

  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);

  --text-primary: #111318;
  --text-secondary: #5a6075;
  --text-muted: #a0a6b5;

  --shadow-color: rgba(0,0,0,0.1);
  --chart-grid: rgba(0,0,0,0.05);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  display: flex;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: var(--font-body); }
canvas { display: block; }

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s ease, background 0.3s ease;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.logo-icon {
  width: 36px; height: 36px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}

.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-mid);
}

.sidebar-footer {
  padding: 16px 12px 0;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.theme-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }
.theme-icon { display: flex; align-items: center; }
.theme-icon svg { width: 16px; height: 16px; }
.theme-label { margin-left: 2px; }

/* Show correct icon per theme */
[data-theme="dark"] .light-icon { display: flex; }
[data-theme="dark"] .dark-icon { display: none; }
[data-theme="light"] .light-icon { display: none; }
[data-theme="light"] .dark-icon { display: flex; }

/* ---- MAIN CONTENT ---- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- TOPBAR ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  transition: background 0.3s ease;
}

.topbar-left { display: flex; align-items: center; gap: 16px; }

.sidebar-toggle {
  display: none;
  color: var(--text-secondary);
  padding: 6px;
  border-radius: 6px;
  transition: all var(--transition);
}
.sidebar-toggle:hover { background: var(--bg-hover); color: var(--text-primary); }

.page-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.btn-ai-open {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition);
}
.btn-ai-open:hover { border-color: var(--accent-mid); color: var(--accent); }

.btn-add-expense {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #0c1a0c;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-add-expense:hover { opacity: 0.88; transform: translateY(-1px); }

/* ---- PAGES ---- */
.page { display: none; padding: 28px; flex: 1; animation: fadeIn 0.25s ease; }
.page.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---- FILTER BAR ---- */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}

.filter-btn {
  padding: 7px 16px;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.filter-btn.active { background: var(--accent); color: #0c1a0c; font-weight: 600; }

.filter-custom {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.date-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 7px 12px;
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--transition);
}
.date-input:focus { border-color: var(--accent); }

.date-sep { color: var(--text-muted); font-size: 0.82rem; }

.btn-apply {
  background: var(--accent);
  color: #0c1a0c;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  transition: opacity var(--transition);
}
.btn-apply:hover { opacity: 0.85; }

/* ---- KPI CARDS ---- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition);
}
.kpi-card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.kpi-card:hover::before { background: var(--accent-mid); }

.kpi-card.accent {
  background: var(--accent-dim);
  border-color: var(--accent-mid);
}
.kpi-card.accent::before { background: var(--accent); }

.kpi-label {
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.kpi-card.accent .kpi-value { color: var(--accent); }

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- CHARTS GRID ---- */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
}

.chart-card.wide { grid-column: 1; }

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.chart-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.chart-body { position: relative; }

.donut-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.donut-legend {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
}

.legend-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-value { color: var(--text-primary); font-weight: 500; }

/* ---- SECTION CARDS ---- */
.section-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 20px;
}

.section-card.full { margin-bottom: 0; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section-header h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

.link-all {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 500;
  transition: opacity var(--transition);
}
.link-all:hover { opacity: 0.75; }

/* ---- TRANSACTIONS LIST ---- */
.transactions-list { display: flex; flex-direction: column; gap: 2px; }

.tx-item {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  cursor: default;
}
.tx-item:hover { background: var(--bg-hover); }

.tx-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.tx-info { min-width: 0; }
.tx-desc { font-size: 0.875rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tx-meta { font-size: 0.73rem; color: var(--text-muted); margin-top: 2px; }

.tx-amount {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--danger);
  white-space: nowrap;
}

/* ---- TRANSACTIONS TABLE (page) ---- */
.filters-row {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.select-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}
.select-input:focus { border-color: var(--accent); }

.btn-outline {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  background: var(--bg-elevated);
  transition: all var(--transition);
  margin-left: auto;
}
.btn-outline:hover { border-color: var(--accent-mid); color: var(--accent); }

.search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
}
.search-box input {
  background: none; border: none; outline: none;
  color: var(--text-primary); font-size: 0.82rem;
  width: 200px;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box svg { color: var(--text-muted); flex-shrink: 0; }

.transactions-table {
  width: 100%;
  border-collapse: collapse;
}
.transactions-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.transactions-table td {
  padding: 13px 14px;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.transactions-table tr:last-child td { border-bottom: none; }
.transactions-table tbody tr:hover td { background: var(--bg-hover); }

.table-cat-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 500;
}

.table-actions { display: flex; gap: 6px; opacity: 0; transition: opacity var(--transition); }
.transactions-table tbody tr:hover .table-actions { opacity: 1; }

.btn-icon {
  width: 28px; height: 28px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.btn-icon:hover { border-color: var(--accent-mid); color: var(--accent); }
.btn-icon.danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-icon svg { width: 13px; height: 13px; }

/* ---- PAGINATION ---- */
.pagination {
  display: flex; align-items: center; gap: 6px;
  justify-content: flex-end;
  margin-top: 16px;
}
.page-btn {
  min-width: 32px; height: 32px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--accent-mid); color: var(--accent); }
.page-btn.active { background: var(--accent); color: #0c1a0c; border-color: var(--accent); font-weight: 600; }

/* ---- CATEGORIES PAGE ---- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.cat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: all var(--transition);
}
.cat-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.cat-card-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}

.cat-card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}

.cat-card-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.cat-card-count { font-size: 0.73rem; color: var(--text-muted); margin-top: 2px; }

.cat-card-total {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.cat-progress-track {
  height: 4px;
  background: var(--bg-hover);
  border-radius: 4px;
  overflow: hidden;
}

.cat-progress-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

/* ---- REPORTS PAGE ---- */
.reports-header {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 24px;
}

.report-period-select {
  display: flex; align-items: center; gap: 10px;
}

.report-period-select label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.category-report-row {
  display: grid;
  grid-template-columns: 28px 1fr 80px 100px;
  align-items: center;
  gap: 14px;
  padding: 13px 10px;
  border-bottom: 1px solid var(--border);
}
.category-report-row:last-child { border-bottom: none; }
.category-report-row:hover { background: var(--bg-hover); border-radius: 8px; }

.crr-icon { font-size: 1.1rem; text-align: center; }
.crr-name { font-size: 0.875rem; font-weight: 500; }
.crr-pct { font-size: 0.8rem; color: var(--text-muted); text-align: right; }
.crr-val {
  font-family: var(--font-display);
  font-size: 0.95rem; font-weight: 700;
  text-align: right; color: var(--danger);
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.6);
  display: none; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; animation: fadeIn 0.18s ease; }

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.22s ease;
}

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
}

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

.modal-close {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.78rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  width: 100%;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }

.category-picker {
  display: flex; flex-wrap: wrap; gap: 8px;
}

.cat-pick-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}
.cat-pick-btn:hover { border-color: var(--border-strong); color: var(--text-primary); }
.cat-pick-btn.selected { border-color: var(--accent-mid); background: var(--accent-dim); color: var(--accent); }

.modal-footer {
  display: flex; gap: 10px; justify-content: flex-end;
  padding: 16px 24px 22px;
  border-top: 1px solid var(--border);
}

.btn-cancel {
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  transition: all var(--transition);
}
.btn-cancel:hover { color: var(--text-primary); border-color: var(--border-strong); }

.btn-save {
  padding: 9px 22px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent);
  color: #0c1a0c;
  transition: all var(--transition);
}
.btn-save:hover { opacity: 0.88; }

/* ---- TOAST ---- */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 500;
  display: flex; flex-direction: column; gap: 8px;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 8px;
  animation: slideUp 0.2s ease;
  max-width: 320px;
}

.toast.success { border-left: 3px solid var(--accent); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--info); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }
  .chart-card.wide { grid-column: auto; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: none; }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .page { padding: 20px 16px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .topbar { padding: 0 16px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .topbar-right { gap: 8px; }
  .btn-ai-open span:not(:last-child) { display: none; }
}

/* ============================================================
   v2 ADDITIONS
   ============================================================ */

/* ---- BALANCE BAR ---- */
.balance-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.balance-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.balance-item-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.balance-item-info { min-width: 0; }
.balance-item-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.balance-item-val {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700;
  letter-spacing: -0.02em;
}
.balance-item-val.income  { color: var(--accent); }
.balance-item-val.expense { color: var(--danger); }
.balance-item-val.balance-pos { color: var(--accent); }
.balance-item-val.balance-neg { color: var(--danger); }

/* ---- ALERT BANNER ---- */
.alert-banner {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.83rem;
}
.alert-banner.danger {
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.3);
}
.alert-banner svg { flex-shrink: 0; }

/* ---- KPI INCOME CARD ---- */
.kpi-card.income-card { }
.kpi-card.income-card .kpi-value { color: var(--accent); }

/* ---- PAGE ACTIONS BAR ---- */
.page-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.btn-primary {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  background: var(--accent);
  color: #0c1a0c;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-add-income {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 13px;
  border-radius: 8px;
  background: rgba(74, 222, 128, 0.15);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-add-income:hover { background: rgba(74, 222, 128, 0.25); }

/* ---- CARDS PAGE ---- */
.cards-visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 8px;
}

.bank-card {
  border-radius: 16px;
  padding: 24px;
  min-height: 175px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  cursor: default;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.bank-card:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(0,0,0,0.4); }

.bank-card::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 160px; height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.bank-card::after {
  content: '';
  position: absolute;
  bottom: -60px; right: 20px;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}

.bank-card-top { display: flex; justify-content: space-between; align-items: flex-start; position: relative; z-index: 1; }
.bank-card-name { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: rgba(255,255,255,0.95); }
.bank-card-type-badge {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em;
  padding: 3px 8px; border-radius: 20px;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
}

.bank-card-actions { display: flex; gap: 6px; }
.bank-card-btn {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.8);
  transition: background 0.2s;
  border: none;
  cursor: pointer;
}
.bank-card-btn:hover { background: rgba(255,255,255,0.25); }
.bank-card-btn svg { width: 13px; height: 13px; }

.bank-card-num {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.75);
  position: relative; z-index: 1;
}

.bank-card-bottom { display: flex; justify-content: space-between; align-items: flex-end; position: relative; z-index: 1; }
.bank-card-limit-info { }
.bank-card-limit-label { font-size: 0.65rem; color: rgba(255,255,255,0.6); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; }
.bank-card-limit-val { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: rgba(255,255,255,0.9); }

.bank-card-usage-bar {
  width: 120px;
}
.bank-card-usage-label { font-size: 0.65rem; color: rgba(255,255,255,0.6); text-align: right; margin-bottom: 4px; }
.bank-card-usage-track {
  height: 4px; border-radius: 4px;
  background: rgba(255,255,255,0.2);
  overflow: hidden;
}
.bank-card-usage-fill {
  height: 100%; border-radius: 4px;
  background: rgba(255,255,255,0.85);
  transition: width 0.6s ease;
}
.bank-card-usage-fill.warning { background: #fbbf24; }
.bank-card-usage-fill.danger  { background: #f87171; }

/* Card usage list */
.card-usage-row {
  display: grid;
  grid-template-columns: 36px 1fr 140px 110px;
  align-items: center;
  gap: 14px;
  padding: 13px 10px;
  border-bottom: 1px solid var(--border);
}
.card-usage-row:last-child { border-bottom: none; }
.card-usage-row:hover { background: var(--bg-hover); border-radius: 8px; }
.card-usage-dot { width: 12px; height: 12px; border-radius: 50%; margin: auto; }
.card-usage-name { font-size: 0.875rem; font-weight: 500; }
.card-usage-bank { font-size: 0.73rem; color: var(--text-muted); margin-top: 2px; }
.card-usage-bar-wrap { }
.card-usage-bar-track { height: 5px; background: var(--bg-hover); border-radius: 4px; overflow: hidden; margin-bottom: 4px; }
.card-usage-bar-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }
.card-usage-bar-fill.warning { background: var(--warning); }
.card-usage-bar-fill.danger  { background: var(--danger); }
.card-usage-pct { font-size: 0.72rem; color: var(--text-muted); }
.card-usage-amount { text-align: right; }
.card-usage-used { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--danger); }
.card-usage-limit { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

/* ---- INCOME PAGE ---- */
.income-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.income-row {
  display: grid;
  grid-template-columns: 36px 1fr 80px 110px 36px;
  align-items: center;
  gap: 12px;
  padding: 13px 10px;
  border-bottom: 1px solid var(--border);
}
.income-row:last-child { border-bottom: none; }
.income-row:hover { background: var(--bg-hover); border-radius: 8px; }
.income-icon { font-size: 1.2rem; text-align: center; }
.income-desc { font-size: 0.875rem; font-weight: 500; }
.income-date-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }
.income-recurring-badge {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.05em;
  padding: 2px 7px; border-radius: 20px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid var(--accent-mid);
}
.income-amount {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  color: var(--accent); text-align: right;
}

/* ---- MODAL ENHANCEMENTS ---- */
.modal-lg { max-width: 560px; }
.modal-sm { max-width: 380px; }

.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.pay-type-toggle {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 3px;
  gap: 3px;
  height: 42px;
}
.pay-btn {
  flex: 1;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
}
.pay-btn:hover { color: var(--text-primary); }
.pay-btn.active { background: var(--accent); color: #0c1a0c; font-weight: 600; }

.installment-row { display: flex; gap: 8px; align-items: center; }

.installment-preview {
  padding: 9px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  margin-top: -8px;
}

/* ---- INCOME TYPE PICKER ---- */
.income-type-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.income-type-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 500;
  transition: all var(--transition);
  cursor: pointer;
}
.income-type-btn:hover { border-color: var(--border-strong); color: var(--text-primary); }
.income-type-btn.selected { border-color: var(--accent-mid); background: var(--accent-dim); color: var(--accent); }

/* ---- CHECKBOX ---- */
.checkbox-label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 0.875rem; color: var(--text-secondary);
}
.checkbox-label input[type="checkbox"] { display: none; }
.checkbox-custom {
  width: 18px; height: 18px;
  border: 1.5px solid var(--border-strong);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.checkbox-label input:checked + .checkbox-custom {
  background: var(--accent);
  border-color: var(--accent);
}
.checkbox-label input:checked + .checkbox-custom::after {
  content: '✓';
  font-size: 11px;
  color: #0c1a0c;
  font-weight: 700;
}

/* ---- COLOR PICKER (cards) ---- */
.color-picker { display: flex; flex-wrap: wrap; gap: 8px; }
.color-swatch {
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.15s, border-color 0.15s;
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.selected { border-color: white; transform: scale(1.1); }

.color-native {
  width: 52px; padding: 2px;
  border-radius: 8px; border: 1px solid var(--border-strong);
}

/* ---- CARD PREVIEW ---- */
.card-preview-wrap { margin-top: 16px; }
.card-preview {
  border-radius: 14px;
  padding: 20px 22px;
  height: 130px;
  display: flex; flex-direction: column; justify-content: space-between;
  background: linear-gradient(135deg, #4ade80, #22c55e);
  transition: background 0.3s ease;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
  position: relative; overflow: hidden;
}
.card-preview::before { content: ''; position: absolute; top: -20px; right: -20px; width: 100px; height: 100px; border-radius: 50%; background: rgba(255,255,255,0.08); }
.card-preview-bank { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: rgba(255,255,255,0.95); position: relative; z-index: 1; }
.card-preview-num { font-family: var(--font-display); font-size: 0.9rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.75); position: relative; z-index: 1; }
.card-preview-type { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em; color: rgba(255,255,255,0.7); position: relative; z-index: 1; }

/* ---- TRANSACTION TABLE ADDITIONS ---- */
.pay-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 2px 8px; border-radius: 20px;
}
.pay-badge.credit { background: rgba(167,139,250,0.12); color: #a78bfa; }
.pay-badge.debit  { background: rgba(96,165,250,0.12);  color: #60a5fa; }

.inst-badge {
  font-size: 0.75rem; color: var(--text-muted);
  white-space: nowrap;
}
.inst-badge strong { color: var(--text-primary); font-weight: 600; }

/* ---- FORM HINT ---- */
.form-hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }

/* ---- REPORTS: INCOME/EXPENSE BAR ---- */
.report-summary-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.report-kpi {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: center;
}
.report-kpi-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.report-kpi-val { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.report-kpi-val.income  { color: var(--accent); }
.report-kpi-val.expense { color: var(--danger); }
.report-kpi-val.balance-pos { color: var(--accent); }
.report-kpi-val.balance-neg { color: var(--danger); }

/* ---- CATEGORY DELETE BUTTON ---- */
.cat-card-delete {
  position: absolute;
  top: 12px; right: 12px;
  width: 24px; height: 24px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  background: var(--bg-hover);
  border: 1px solid var(--border);
  opacity: 0;
  transition: all 0.2s;
  cursor: pointer;
}
.cat-card:hover .cat-card-delete { opacity: 1; }
.cat-card-delete:hover { color: var(--danger); border-color: var(--danger); }
.cat-card-delete svg { width: 12px; height: 12px; }
.cat-card { position: relative; }

/* income-save button */
.btn-save.income-save { background: var(--accent); }

@media (max-width: 1100px) {
  .balance-bar { grid-template-columns: 1fr 1fr; }
  .income-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .balance-bar { grid-template-columns: 1fr; }
  .cards-visual-grid { grid-template-columns: 1fr; }
  .card-usage-row { grid-template-columns: 24px 1fr 90px; }
  .card-usage-bar-wrap { display: none; }
  .income-kpi-row { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
}

/* ============================================================
   v3 AUTH / USER ADDITIONS
   ============================================================ */

/* ---- Sidebar user block ---- */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  margin-bottom: 8px;
  cursor: default;
  overflow: hidden;
}

.user-avatar {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-mid);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.user-info { min-width: 0; }
.user-name  { font-size: 0.8rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-email { font-size: 0.68rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---- Sidebar footer row ---- */
.sidebar-footer-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-footer-actions .theme-toggle { flex: 1; }

/* ---- Logout button ---- */
.btn-logout {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  flex-shrink: 0;
  transition: all var(--transition);
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ---- API error state ---- */
.api-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 20px;
  text-align: center;
  gap: 12px;
  color: var(--text-muted);
}
.api-error-state .error-icon { font-size: 2.5rem; }
.api-error-state h3 { font-family: var(--font-display); color: var(--text-primary); font-size: 1rem; }
.api-error-state p { font-size: 0.83rem; max-width: 320px; line-height: 1.6; }
.api-error-state code { font-size: 0.78rem; background: var(--bg-elevated); border: 1px solid var(--border); padding: 2px 8px; border-radius: 5px; color: var(--accent); }