:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0d1b2a;
  --bg-tertiary: #1b2838;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --glass-blur: 16px;
  --accent: #00d4ff;
  --accent-alt: #00e5ff;
  --accent-glow: rgba(0, 212, 255, 0.35);
  --text-primary: #f0f4f8;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  --success: #00e676;
  --danger: #ff5252;
  --warning: #ffab40;
  --info: #40c4ff;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body::before, body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  pointer-events: none;
  z-index: -1;
}

body::before {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18), transparent 70%);
  top: -120px;
  left: -100px;
}

body::after {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 100, 200, 0.12), transparent 70%);
  bottom: -180px;
  right: -140px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-alt); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-end { text-align: right; }

/* Navbar */
.navbar {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 1060;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-brand {
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.1);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* Unlock screen */
.unlock-screen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.unlock-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(var(--glass-blur));
}

.unlock-card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.unlock-card .subtitle {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.unlock-card label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.unlock-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 1rem;
}

.unlock-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.unlock-card .hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0.5rem 0 1.5rem;
}

.unlock-card .error {
  color: var(--danger);
  margin-top: 1rem;
  min-height: 1.2em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, #00b4d8, #00e5ff);
  color: #0a0e1a;
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-danger {
  background: linear-gradient(135deg, #e53935, #ff5252);
  color: #fff;
}

.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.85rem; }

/* Cards */
.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(var(--glass-blur));
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card-header h2, .card-header h3, .card-header h4 {
  margin: 0;
  font-size: 1.15rem;
}

.card-title { margin: 0 0 0.75rem; font-size: 1rem; }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-label {
  display: block;
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

/* Tables */
.table-responsive { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.table th, .table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--glass-border);
}

.table th {
  color: var(--text-secondary);
  font-weight: 600;
}

.table tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.badge-food { background: rgba(255, 107, 107, 0.2); color: #ff6b6b; }
.badge-groceries { background: rgba(76, 175, 80, 0.2); color: #81c784; }
.badge-transport { background: rgba(33, 150, 243, 0.2); color: #64b5f6; }
.badge-entertainment { background: rgba(156, 39, 176, 0.2); color: #ba68c8; }
.badge-shopping { background: rgba(255, 152, 0, 0.2); color: #ffb74d; }
.badge-utilities { background: rgba(0, 188, 212, 0.2); color: #4dd0e1; }
.badge-bills { background: rgba(239, 108, 0, 0.2); color: #ff9800; }
.badge-health { background: rgba(233, 30, 99, 0.2); color: #f06292; }
.badge-education { background: rgba(63, 81, 181, 0.2); color: #7986cb; }
.badge-rent { background: rgba(121, 85, 72, 0.2); color: #a1887f; }
.badge-salary { background: rgba(0, 230, 118, 0.2); color: #00e676; }
.badge-investment { background: rgba(0, 150, 136, 0.2); color: #4db6ac; }
.badge-atm { background: rgba(96, 125, 139, 0.2); color: #90a4ae; }
.badge-transfer { background: rgba(158, 158, 158, 0.2); color: #bdbdbd; }
.badge-uncategorized { background: rgba(117, 117, 117, 0.2); color: #9e9e9e; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 0.4rem;
}
.form-control, .form-select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
}
.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Progress bars */
.progress {
  height: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #0a0e1a;
  transition: width var(--transition);
}
.progress-bar.danger { background: var(--danger); }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}
.empty-state i { font-size: 2rem; margin-bottom: 0.5rem; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1100;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 480px;
  padding: 1.5rem;
}

.modal h3 { margin-top: 0; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Loading */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  color: var(--text-secondary);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
.toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  z-index: 1200;
  animation: slideIn 0.3s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Footer */
.footer {
  padding: 2rem 0;
  margin-top: 2rem;
}

/* Pagination */
.pagination {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.pagination button {
  padding: 0.35rem 0.7rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.pagination button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Privacy card */
.privacy-card { max-width: 800px; margin: 2rem auto; }
.privacy-card h2 { color: var(--accent); margin-top: 1.5rem; font-size: 1.1rem; }
.privacy-card ul { color: var(--text-secondary); }

/* Icon helpers */
.icon-wallet::before { content: '💵'; }
.icon-home::before { content: '🏠'; }
.icon-upload::before { content: '📤'; }
.icon-chart::before { content: '📈'; }
.icon-list::before { content: '📋'; }
.icon-budget::before { content: '🐷'; }
.icon-recurring::before { content: '🔄'; }
.icon-settings::before { content: '⚙️'; }
.icon-bell::before { content: '🔔'; }

/* Responsive */
@media (max-width: 768px) {
  .mobile-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: none;
  }
  .nav-links.open { display: flex; }
  .stats-grid { grid-template-columns: 1fr; }
}