* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --bg: #f1f5f9;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --sidebar-bg: #1e293b;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #4f46e5;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 24px 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
}

.sidebar-header h2 {
  font-size: 18px;
  color: #fff;
}

.nav-links {
  list-style: none;
  margin-top: 16px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 15px;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: rgba(255,255,255,0.05);
  color: #fff;
}

.nav-link.active {
  background: rgba(79, 70, 229, 0.15);
  color: #fff;
  border-left-color: var(--primary);
}

.nav-link .icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

/* Content */
.content {
  margin-left: 240px;
  padding: 32px;
  flex: 1;
  min-height: 100vh;
  width: calc(100% - 240px);
}

.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.filter-bar select {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--border);
  transition: transform 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.income-card { border-left-color: var(--success); }
.expense-card { border-left-color: var(--danger); }
.balance-card { border-left-color: var(--primary); }
.plan-card { border-left-color: var(--warning); }
.deviation-card { border-left-color: #8b5cf6; }

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
}

.stat-value.positive { color: var(--success); }
.stat-value.negative { color: var(--danger); }

/* Charts */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.charts-grid .chart-card:first-child {
  grid-column: 1 / -1;
}

.chart-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.chart-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  color: var(--text);
}

.chart-card canvas {
  max-height: 300px;
}

/* Page header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
}

.page-header h1 {
  margin-bottom: 0;
}

/* Tables */
.table-container {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: #f8fafc;
}

th {
  padding: 14px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

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

tr:hover {
  background: #f8fafc;
}

.amount-cell {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.amount-income { color: var(--success); }
.amount-expense { color: var(--danger); }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-fact { background: #d1fae5; color: #065f46; }
.badge-plan { background: #fef3c7; color: #92400e; }

.attachment-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.2s;
}

.attachment-thumb:hover {
  transform: scale(1.1);
}

.action-btns {
  display: flex;
  gap: 6px;
}

.btn-icon {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.2s;
}

.btn-edit {
  background: #e0e7ff;
  color: var(--primary);
}

.btn-edit:hover { background: #c7d2fe; }

.btn-delete {
  background: #fee2e2;
  color: var(--danger);
}

.btn-delete:hover { background: #fecaca; }

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
  background: #e2e8f0;
  color: var(--text);
}

.btn-secondary:hover { background: #cbd5e1; }

.btn-voice {
  background: var(--danger);
  color: #fff;
  padding: 14px 28px;
  font-size: 16px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-voice:hover { background: #dc2626; }

.btn-voice.recording {
  background: #dc2626;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(239, 68, 68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Input methods */
.input-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.input-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.input-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.input-card p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.input-card textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  margin-bottom: 12px;
}

.input-card textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.input-card input[type="file"] {
  font-size: 14px;
}

.voice-status {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-muted);
  min-height: 20px;
}

.image-preview {
  margin-top: 12px;
}

.image-preview img {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
}

/* Parse result */
.parse-result {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 2px solid var(--primary);
}

.parse-result h3 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--primary);
}

#parse-transcription {
  background: #f0f9ff;
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 16px;
  font-size: 14px;
  color: #0369a1;
}

/* Forms */
.form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.form-row label {
  min-width: 110px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.form-row input,
.form-row select {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
}

.form-row input:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.modal-header h3 {
  font-size: 20px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: 6px;
}

.modal-close:hover {
  background: #f1f5f9;
  color: var(--text);
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* Image viewer modal */
.image-viewer-content {
  max-width: 90vw;
  max-height: 90vh;
  padding: 8px;
  text-align: center;
  position: relative;
}

.image-viewer-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 8px;
}

.image-viewer-content .modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  padding: 16px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 260px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .content {
    margin-left: 0;
    width: 100%;
    padding: 16px;
  }

  .mobile-toggle {
    display: flex !important;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .input-methods {
    grid-template-columns: 1fr;
  }

  .form-row {
    flex-direction: column;
    align-items: stretch;
  }

  .form-row label {
    min-width: auto;
  }

  h1 { font-size: 22px; }
  .stat-value { font-size: 20px; }
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.3);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  z-index: 2000;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  box-shadow: var(--shadow-lg);
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }