/* ==========================================================================
   CASHFLOW SYSTEM STYLING - PREMIUM DARK THEME (VANILLA CSS)
   ========================================================================== */

/* 1. Global Variables & Design Tokens */
:root {
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-primary);
  
  /* Color Palette - Premium Slate & Glowing Accents */
  --bg-app: #0B0F19;
  --bg-surface: #1E293B;
  --bg-surface-translucent: rgba(30, 41, 59, 0.7);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-input: #0f172a;
  
  --color-primary: #6366F1;       /* Indigo Glow */
  --color-primary-hover: #4F46E5;
  --color-primary-light: rgba(99, 102, 241, 0.15);
  
  --color-emerald: #10B981;       /* Cash In / Success */
  --color-emerald-light: rgba(16, 185, 129, 0.15);
  
  --color-rose: #EF4444;          /* Cash Out / Expenses / Danger */
  --color-rose-light: rgba(239, 68, 68, 0.15);
  
  --color-amber: #F59E0B;         /* Warnings / Pending sync */
  --color-amber-light: rgba(245, 158, 11, 0.15);
  
  /* Text Colors */
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dark: #64748B;
  
  /* UI Metrics */
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 2. Reset & Base Settings */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* 3. Layout Architecture */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
}

/* Sidebar Navigation (Desktop) */
.sidebar {
  width: 260px;
  background-color: #0d121f;
  border-right: 1px solid var(--bg-card-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  padding: 24px 16px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  padding: 0 8px;
}

.brand-icon {
  background: linear-gradient(135deg, var(--color-primary), #3b82f6);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.brand-icon svg {
  width: 24px;
  height: 24px;
}

.brand-name h1 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(to right, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-name span {
  font-size: 0.75rem;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  width: 100%;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  transition: var(--transition-fast);
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
}

.nav-item.active {
  background-color: var(--color-primary-light);
  color: #c7d2fe;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2);
}

.nav-item.active svg {
  color: #818cf8;
}

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

/* Sync Status Badge */
.sync-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

.sync-status-indicator.offline {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.sync-status-indicator.synced {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
}

.sync-status-indicator.syncing {
  background-color: var(--color-amber-light);
  color: var(--color-amber);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.syncing .status-dot {
  animation: pulse-glow 1.5s infinite;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Header Bar */
.top-header {
  height: 70px;
  border-bottom: 1px solid var(--bg-card-border);
  background-color: rgba(11, 15, 25, 0.8);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.mobile-logo-bar {
  display: none;
}

.header-profile {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.branch-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-label {
  color: var(--text-dark);
  font-size: 0.85rem;
  font-weight: 500;
}

.branch-name-val {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9rem;
}

.date-badge {
  background-color: rgba(255, 255, 255, 0.04);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-icon {
  width: 16px;
  height: 16px;
}

/* Content Container */
.content-scrollable {
  padding: 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.bottom-nav {
  display: none;
}

/* 4. Navigation View Panels */
.view-panel {
  display: none;
  animation: view-fade-in 0.35s var(--transition-medium);
  flex-direction: column;
  gap: 32px;
  width: 100%;
}

.view-panel.active {
  display: flex;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.view-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.view-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* 5. UI Component Library */

/* Cards Base */
.card {
  background-color: var(--bg-surface-translucent);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-premium);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: transform var(--transition-fast), border var(--transition-fast);
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--bg-card-border);
}

.card-header.flex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.card-body {
  padding: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  font-family: var(--font-primary);
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45), var(--shadow-glow);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--bg-card-border);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background-color: var(--color-rose-light);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.25);
  color: #ffffff;
}

.btn-small {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-compact {
  padding: 8px 14px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-large {
  padding: 14px 28px;
  font-size: 1rem;
  width: 100%;
}

/* Form Controls */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
  font-family: var(--font-primary);
}

.form-control::placeholder {
  color: var(--text-dark);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background-color: rgba(15, 23, 42, 0.8);
}

.form-select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.95rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  font-family: var(--font-primary);
}

.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.select-compact {
  padding: 8px 36px 8px 12px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  background-position: right 10px center;
}

.text-area {
  resize: vertical;
}

.form-helper {
  display: block;
  font-size: 0.75rem;
  color: var(--text-dark);
  margin-top: 6px;
}

.input-currency-wrapper {
  position: relative;
  width: 100%;
}

.currency-symbol {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 500;
  pointer-events: none;
}

.pad-left {
  padding-left: 32px;
}

.form-feedback {
  font-size: 0.8rem;
  margin-top: 6px;
}

.form-feedback.error {
  color: #f87171;
}

/* 6. Dashboard Detail Styling */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.kpi-card {
  background-color: var(--bg-surface-translucent);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-premium);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.balance-card::before { background: var(--color-primary); }
.income-card::before { background: var(--color-emerald); }
.expense-card::before { background: var(--color-rose); }

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.03);
}

.balance-card .kpi-icon { color: var(--color-primary); background-color: var(--color-primary-light); }
.income-card .kpi-icon { color: var(--color-emerald); background-color: var(--color-emerald-light); }
.expense-card .kpi-icon { color: var(--color-rose); background-color: var(--color-rose-light); }

.kpi-icon svg {
  width: 24px;
  height: 24px;
}

.kpi-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.kpi-value.positive {
  color: var(--text-main);
}

.kpi-value.negative {
  color: var(--color-rose);
}

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

.charts-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 24px;
}

.chart-container-card {
  background-color: var(--bg-surface-translucent);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-premium);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chart-container-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.chart-wrapper {
  position: relative;
  flex: 1;
  width: 100%;
}

.doughnut-chart-wrapper {
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.line-chart-wrapper {
  height: 260px;
}

.no-data-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(30, 41, 59, 0.4);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.05);
}

.no-data-placeholder p {
  color: var(--text-dark);
  font-size: 0.9rem;
}

/* Month Summary Table */
.dashboard-footer-section {
  display: grid;
  grid-template-columns: 1fr;
}

.recent-alerts-card {
  background-color: var(--bg-surface-translucent);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-premium);
}

.recent-alerts-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.summary-preview-table-container {
  overflow-x: auto;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.summary-table th {
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--bg-card-border);
}

.summary-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.summary-table tr:last-child td {
  border-bottom: none;
}

/* 7. Daily Entry Form Styling */
.form-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  align-items: start;
}

.form-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Real-time Calculator Card */
.calculator-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(30, 41, 59, 0.9));
  border: 1px solid rgba(99, 102, 241, 0.2);
  box-shadow: var(--shadow-premium);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
}

.calculator-header h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-bottom: 10px;
  color: var(--text-muted);
}

.calc-row span:last-child {
  font-weight: 600;
  font-family: var(--font-display);
}

.calc-divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin: 14px 0;
}

.total-row {
  font-size: 1.05rem;
  color: var(--text-main);
  margin-bottom: 0;
}

.total-row span:last-child {
  font-size: 1.35rem;
  font-weight: 700;
}

/* Expenses Container */
.expenses-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 480px;
  overflow-y: auto;
  padding-right: 4px;
}

.expense-row-item {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  background-color: rgba(255, 255, 255, 0.02);
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.04);
  animation: row-slide-in 0.25s var(--transition-fast);
}

.row-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cat-field { width: 30%; }
.desc-field { width: 45%; }
.amount-field { width: 25%; }

.row-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dark);
  text-transform: uppercase;
}

.btn-remove-row {
  background: transparent;
  border: none;
  color: var(--text-dark);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  margin-bottom: 4px;
}

.btn-remove-row svg {
  width: 18px;
  height: 18px;
}

.btn-remove-row:hover {
  background-color: var(--color-rose-light);
  color: var(--color-rose);
}

.no-expenses-alert {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px dashed var(--bg-card-border);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--text-muted);
}

/* Switch Toggle & Submit Section */
.form-submit-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--bg-card-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sync-mode-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toggle-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Switch UI */
.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input { 
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .4s;
  border: 1px solid var(--bg-card-border);
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
}

input:checked + .slider {
  background-color: var(--color-primary);
  border-color: var(--color-primary-hover);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--color-primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* 8. Ledger / History view styling */
.flex-header-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.flex-actions {
  display: flex;
  gap: 12px;
}

.filter-card {
  background-color: var(--bg-surface-translucent);
}

.filter-grid {
  display: grid;
  grid-template-columns: 2fr 2fr 3fr auto;
  gap: 16px;
  align-items: flex-end;
}

.form-group-compact {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compact-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dark);
  text-transform: uppercase;
}

.form-control-compact {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 0.85rem;
  outline: none;
}

.form-control-compact:focus {
  border-color: var(--color-primary);
}

.filter-btn-group {
  display: flex;
  gap: 8px;
}

.table-card {
  background-color: var(--bg-surface-translucent);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.ledger-table th {
  padding: 12px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--bg-card-border);
  white-space: nowrap;
}

.ledger-table td {
  padding: 12px 14px;
  font-size: 0.88rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: top;
  color: var(--text-main);
}

.ledger-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.01);
}

.col-exp-details {
  min-width: 180px;
}

.col-actions {
  text-align: right;
  width: 80px;
}

/* Sync Badges in Tables */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pill.success { background-color: var(--color-emerald-light); color: #6ee7b7; }
.status-pill.pending { background-color: var(--color-amber-light); color: #fcd34d; }
.status-pill.failed { background-color: var(--color-rose-light); color: #fca5a5; }

/* Mini Details list for expenses */
.nested-expenses-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.nested-expense-item {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.nested-expense-item strong {
  color: var(--text-main);
}

.expense-cat-tag {
  background-color: rgba(255, 255, 255, 0.05);
  font-size: 0.7rem;
  padding: 1px 4px;
  border-radius: 4px;
  margin-right: 4px;
  color: var(--text-dark);
}

/* Empty State Table */
.no-data-table {
  padding: 60px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-dark);
}

.empty-icon {
  width: 48px;
  height: 48px;
}

.no-data-table p {
  font-size: 0.9rem;
  max-width: 400px;
  text-align: center;
}

.btn-delete-row-entry {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.btn-delete-row-entry:hover {
  background-color: var(--color-rose-light);
  color: var(--color-rose);
}

/* 9. Integration / Settings view styling */
.settings-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  align-items: start;
}

.settings-column {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.settings-card {
  background-color: var(--bg-surface-translucent);
}

.settings-action-block {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.test-result-alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-top: 16px;
  border: 1px solid transparent;
}

.test-result-alert.success {
  background-color: var(--color-emerald-light);
  border-color: rgba(16, 185, 129, 0.2);
  color: #a7f3d0;
}

.test-result-alert.error {
  background-color: var(--color-rose-light);
  border-color: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.instruction-card {
  background-color: #0f172a;
  border-color: var(--bg-card-border);
}

.text-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  line-height: 1.6;
}

.text-layout p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.setup-list {
  padding-left: 20px;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.setup-list li::marker {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
}

.setup-list ul {
  padding-left: 20px;
  margin-top: 6px;
  color: var(--text-muted);
  list-style-type: square;
}

.setup-list code {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 0.85rem;
}

.code-copy-wrapper {
  margin-top: 12px;
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-app);
}

.code-copy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--bg-card-border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.code-preview {
  padding: 16px;
  max-height: 240px;
  overflow-y: auto;
  font-family: Consolas, Monaco, "Andale Mono", monospace;
  font-size: 0.75rem;
  color: #a5b4fc;
  white-space: pre;
}

/* 10. Notification Toast */
.notification-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  min-width: 320px;
  max-width: 480px;
  animation: toast-slide-in 0.4s var(--transition-medium);
  transition: opacity 0.3s, transform 0.3s;
}

.toast-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notification-toast.success { border-left: 4px solid var(--color-emerald); }
.notification-toast.success .toast-icon { background-color: var(--color-emerald-light); color: var(--color-emerald); }

.notification-toast.error { border-left: 4px solid var(--color-rose); }
.notification-toast.error .toast-icon { background-color: var(--color-rose-light); color: var(--color-rose); }

.notification-toast.warning { border-left: 4px solid var(--color-amber); }
.notification-toast.warning .toast-icon { background-color: var(--color-amber-light); color: var(--color-amber); }

.toast-icon svg {
  width: 18px;
  height: 18px;
}

.toast-content h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.toast-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

/* 11. Keyframes & Animations */
@keyframes view-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes row-slide-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(245, 158, 11, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  }
}

/* ==========================================================================
   Brand Logo & Image Layout Styles
   ========================================================================== */
.brand-logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  width: 48px;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  padding: 4px;
  overflow: hidden;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-fast);
}

.brand-logo-container:hover {
  transform: scale(1.03);
}

.brand-logo-container.small {
  height: 36px;
  width: 36px;
  border-radius: var(--radius-sm);
  padding: 3px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
}

.app-logo {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

/* Segmented Timeframe Control styling */
.segmented-control {
  display: inline-flex;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.segment-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  font-family: var(--font-primary);
  white-space: nowrap;
}

.segment-btn:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.02);
}

.segment-btn.active {
  background-color: var(--color-primary-light);
  color: #c7d2fe;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.2);
}

/* ==========================================================================
   12. RESPONSIVE MEDIA QUERIES (MOBILE OPTIMIZED)
   ========================================================================== */
@media (max-width: 1024px) {
  .form-layout, .settings-grid {
    grid-template-columns: 1fr;
  }
  .charts-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Layout shifts */
  .sidebar {
    display: none; /* Hide desktop sidebar */
  }

  .main-content {
    margin-left: 0;
    padding-bottom: 80px; /* Space for bottom nav */
  }

  .top-header {
    padding: 0 20px;
    height: 60px;
  }

  .mobile-logo-bar {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .mobile-logo-bar h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
  }
  
  .mobile-logo-bar .brand-logo-container.small {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    padding: 3px;
    background-color: #ffffff;
  }

  .header-profile {
    gap: 12px;
  }
  
  .branch-selector-wrapper {
    display: none; /* Hide branch name in header to save space */
  }

  .content-scrollable {
    padding: 20px;
    gap: 24px;
  }

  /* Bottom Navigation (Mobile) */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: rgba(13, 18, 31, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--bg-card-border);
    z-index: 100;
    justify-content: space-around;
    align-items: center;
    padding: 0 10px;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.5);
  }

  .bottom-nav .nav-item {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 0;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    flex: 1;
    color: var(--text-dark);
  }

  .bottom-nav .nav-item.active {
    background: transparent;
    color: var(--color-primary);
    box-shadow: none;
  }

  .bottom-nav .nav-item.active svg {
    color: var(--color-primary);
    transform: translateY(-2px);
  }

  .bottom-nav .nav-item svg {
    width: 22px;
    height: 22px;
  }

  /* KPI Grid */
  .kpi-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .kpi-card {
    padding: 16px;
  }

  .kpi-value {
    font-size: 1.5rem;
  }

  /* Daily Entry Form mobile optimizations are defined in detail at the end of the file */

  /* Ledger Table Mobile Rescaling (Responsive Cards) */
  .ledger-table, 
  .ledger-table thead, 
  .ledger-table tbody, 
  .ledger-table th, 
  .ledger-table td, 
  .ledger-table tr { 
    display: block; 
  }
  
  .ledger-table thead tr { 
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  .ledger-table tr { 
    border: 1px solid var(--bg-card-border);
    background-color: rgba(255, 255, 255, 0.01);
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    padding: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }
  
  .ledger-table td { 
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04); 
    position: relative;
    padding: 10px 0;
    padding-left: 45%; 
    text-align: right;
    font-size: 0.85rem;
  }
  
  .ledger-table td:last-child {
    border-bottom: 0;
  }
  
  .ledger-table td:before { 
    position: absolute;
    left: 0;
    width: 40%; 
    padding-right: 10px; 
    white-space: nowrap;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.03em;
  }
  
  /* Apply labels based on column order */
  .ledger-table td:nth-of-type(1):before { content: "Date"; }
  .ledger-table td:nth-of-type(2):before { content: "Opening Bal."; }
  .ledger-table td:nth-of-type(3):before { content: "Cash In"; }
  .ledger-table td:nth-of-type(4):before { content: "Total Exp."; }
  .ledger-table td:nth-of-type(5):before { content: "Expense Details"; }
  .ledger-table td:nth-of-type(6):before { content: "Closing Bal."; }
  .ledger-table td:nth-of-type(7):before { content: "Sync Status"; }
  .ledger-table td:nth-of-type(8):before { content: "Actions"; }
  
  .ledger-table td.col-exp-details {
    text-align: left;
    padding-left: 0;
    margin-top: 4px;
  }
  
  .ledger-table td.col-exp-details:before {
    position: static;
    display: block;
    margin-bottom: 8px;
  }
  
  .ledger-table td.col-actions {
    text-align: right;
    padding-left: 45%;
    width: 100%;
  }

  .nested-expenses-list {
    padding-left: 4px;
  }

  /* Table responsive filters */
  .filter-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .filter-btn-group {
    width: 100%;
    margin-top: 8px;
  }

  /* Segmented control mobile override */
  .segmented-control {
    width: 100%;
    display: flex;
    margin-top: 8px;
  }
  
  .segment-btn {
    flex: 1;
    text-align: center;
    padding: 10px 4px;
    font-size: 0.75rem;
    height: auto; /* overrides general button height */
  }

  .filter-btn-group .btn {
    flex: 1;
  }

  /* Ledger details on mobile */
  .col-exp-details {
    min-width: 180px;
  }
  
  .view-title {
    font-size: 1.4rem;
  }

  .btn-large {
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  /* Form touch target & automatic zoom overrides for mobile devices */
  .form-control, 
  .form-select, 
  .form-control-compact {
    font-size: 16px !important; /* Forces 16px to prevent automatic iOS safari viewport zooming */
    height: 48px; /* Larger vertical height for fat-finger touch prevention */
  }

  .form-control-compact {
    height: 42px;
  }

  textarea.form-control {
    height: auto;
  }

  .btn {
    height: 48px; /* Touch-friendly button height */
    font-size: 0.95rem;
  }

  .btn-small, 
  .btn-compact {
    height: 38px;
    font-size: 0.85rem;
  }

  .btn-remove-row {
    height: 44px;
    width: 44px;
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--radius-sm);
    color: #fca5a5;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Spinner Rotation Keyframes */
.rotating {
  animation: spin-sync-icon 1.2s linear infinite;
}

@keyframes spin-sync-icon {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ==========================================================================
   Ledger Table Pagination Styles
   ========================================================================== */
.table-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-top: 1px solid var(--bg-card-border);
  background-color: rgba(255, 255, 255, 0.01);
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
}

.pagination-info {
  font-weight: 500;
}

.pagination-info span {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-main);
}

.pagination-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.page-indicator {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-main);
  padding: 0 8px;
  min-width: 80px;
  text-align: center;
}

.select-compact {
  width: auto;
  min-width: 70px;
  height: 32px !important;
  font-size: 0.85rem !important;
  padding: 2px 24px 2px 8px !important;
  background-color: var(--bg-input);
  border: 1px solid var(--bg-card-border);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  outline: none;
}

/* Pagination Mobile Override */
@media (max-width: 768px) {
  .table-pagination {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 12px;
    padding: 16px 12px;
  }
  
  .pagination-info {
    text-align: center;
  }
  
  .pagination-controls {
    justify-content: center;
    width: 100%;
    gap: 6px;
  }
  
  .pagination-controls select.select-compact {
    height: 38px !important;
    font-size: 15px !important;
  }
  
  .pagination-controls button.btn-small {
    height: 38px !important;
    padding: 4px 12px !important;
    font-size: 0.9rem !important;
  }

  /* Compact Grid-Based Expense Inputs on Mobile to make values visible and avoid auto-zoom */
  .expense-row-item {
    display: grid !important;
    grid-template-areas:
      "cat del"
      "desc desc"
      "amt amt" !important;
    grid-template-columns: 1fr auto !important;
    gap: 8px !important;
    padding: 12px 10px !important;
    border-radius: var(--radius-md) !important;
    background-color: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid var(--bg-card-border) !important;
    align-items: center !important;
  }
  
  .expense-row-item .cat-field {
    grid-area: cat;
    width: 100% !important;
  }
  
  .expense-row-item .amount-field {
    grid-area: amt;
    width: 100% !important;
  }
  
  .expense-row-item .desc-field {
    grid-area: desc;
    width: 100% !important;
  }
  
  .expense-row-item .btn-remove-row {
    grid-area: del;
    margin-bottom: 0 !important;
    width: 38px !important;
    height: 38px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background-color: rgba(239, 68, 68, 0.08) !important;
    border: 1px solid rgba(239, 68, 68, 0.15) !important;
    border-radius: var(--radius-sm) !important;
    color: #fca5a5 !important;
  }

  .expense-row-item .row-label {
    display: none !important;
  }
  
  .expense-row-item .row-field {
    gap: 0 !important;
  }
  
  .expense-row-item select,
  .expense-row-item input {
    font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
    padding: 6px 10px !important; /* Reduced vertical padding from 8px to 6px to avoid clipping */
    height: 42px !important; /* Increased height from 38px to 42px to fully show entered numbers */
    width: 100% !important;
  }
  
  .expense-row-item select {
    padding-right: 20px !important;
    background-position: right 6px center !important;
    background-size: 10px !important;
  }
  
  .expense-row-item .amount-field .currency-symbol {
    display: none !important;
  }
  
  .expense-row-item .amount-field .pad-left {
    padding-left: 10px !important;
  }

  /* Rescale Dashboard cards to fit neatly on mobile screens without stacking all 3 vertically */
  .kpi-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 8px !important;
  }
  
  .kpi-card.balance-card {
    grid-column: span 2 !important;
    padding: 10px 14px !important;
  }
  
  .kpi-card.income-card,
  .kpi-card.expense-card {
    flex-direction: column !important;
    align-items: flex-start !important;
    padding: 10px 8px !important;
    gap: 2px !important;
  }
  
  .kpi-card.income-card .kpi-icon,
  .kpi-card.expense-card .kpi-icon {
    display: none !important;
  }
  
  .kpi-card.income-card .kpi-label,
  .kpi-card.expense-card .kpi-label {
    font-size: 0.65rem !important;
  }
  
  .kpi-card.income-card .kpi-value,
  .kpi-card.expense-card .kpi-value {
    font-size: 0.95rem !important; /* Reduced color fonts so they are viewable and don't wrap */
  }
  
  .kpi-card.income-card .kpi-trend,
  .kpi-card.expense-card .kpi-trend {
    font-size: 0.6rem !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
  }

  .kpi-value {
    font-size: 1.15rem !important; /* Reduced main balance color font */
  }

  .chart-container-card {
    padding: 14px !important;
    width: 100% !important;
  }
  
  .chart-container-card h3 {
    font-size: 0.85rem !important;
    margin-bottom: 8px !important;
  }

  /* Prevent horizontal header overflow on mobile viewports */
  .view-header {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
    width: 100% !important;
  }

  .view-header .view-actions {
    width: 100% !important;
  }

  /* Dashboard Mobile view scaling & width reductions */
  #dashboard-view {
    width: 100% !important;
    overflow-x: hidden !important;
  }

  .content-scrollable {
    padding: 12px !important;
    gap: 16px !important;
  }

  .charts-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }

  .chart-wrapper canvas {
    max-width: 100% !important;
  }

  .recent-alerts-card {
    padding: 14px !important;
    width: 100% !important;
  }

  .summary-table th,
  .summary-table td {
    padding: 8px 10px !important;
    font-size: 0.78rem !important;
  }

  .summary-table td .progress-bar-wrapper {
    display: none !important; /* Hide progress bar on mobile to maximize space */
  }
}