/* Gringotts Spending Tracker - Design System */

/* CSS Variables */
:root {
  --primary-color: #2c3e50;
  --primary-light: #34495e;
  --accent-color: #3498db;
  --accent-hover: #2980b9;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --danger-color: #e74c3c;
  --text-color: #333;
  --text-light: #666;
  --text-muted: #999;
  --bg-color: #f5f6fa;
  --card-bg: #fff;
  --border-color: #ddd;
  --border-radius: 8px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-header {
  background: var(--primary-color);
  color: white;
  padding: 20px;
  margin-bottom: 30px;
}

.page-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

.page-header .nav-links {
  margin-top: 10px;
}

.page-header .nav-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-right: 20px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.page-header .nav-links a:hover,
.page-header .nav-links a.active {
  color: white;
}

/* Cards */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--primary-color);
}

.card-subtitle {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

/* Navigation Cards Grid */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.nav-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 30px;
  text-decoration: none;
  color: var(--text-color);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

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

.nav-card .icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.nav-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.nav-card p {
  font-size: 0.9rem;
  color: var(--text-light);
}

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

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-group .hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

/* Radio & Checkbox Groups */
.radio-group,
.checkbox-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.radio-group label,
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: normal;
}

.radio-group input,
.checkbox-group input {
  width: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-color);
  color: white;
}

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

.btn-secondary {
  background: var(--primary-light);
  color: white;
}

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

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-block {
  width: 100%;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.login-card h1 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.login-card .subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 30px;
}

/* Alerts */
.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.alert-success {
  background: rgba(39, 174, 96, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

.alert-error {
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid var(--danger-color);
  color: var(--danger-color);
}

.alert-warning {
  background: rgba(243, 156, 18, 0.1);
  border: 1px solid var(--warning-color);
  color: var(--warning-color);
}

.alert-info {
  background: rgba(52, 152, 219, 0.1);
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
}

/* Tables */
.table-container {
  overflow-x: auto;
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-color);
  font-weight: 600;
  color: var(--primary-color);
  position: sticky;
  top: 0;
}

tr:hover {
  background: rgba(52, 152, 219, 0.05);
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.badge-success {
  background: rgba(39, 174, 96, 0.1);
  color: var(--success-color);
}

.badge-warning {
  background: rgba(243, 156, 18, 0.1);
  color: var(--warning-color);
}

.badge-danger {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
}

.badge-info {
  background: rgba(52, 152, 219, 0.1);
  color: var(--accent-color);
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--accent-color);
  background: rgba(52, 152, 219, 0.05);
}

.file-upload input[type="file"] {
  display: none;
}

.file-upload .icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 15px;
}

.file-upload p {
  color: var(--text-light);
  margin-bottom: 10px;
}

.file-upload .hint {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Progress Bar */
.progress-container {
  margin: 20px 0;
}

.progress-bar {
  height: 10px;
  background: var(--border-color);
  border-radius: 5px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: var(--accent-color);
  border-radius: 5px;
  transition: width 0.3s ease;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.stat-card .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 5px;
}

.stat-card .change {
  font-size: 0.9rem;
  margin-top: 5px;
}

.stat-card .change.positive {
  color: var(--success-color);
}

.stat-card .change.negative {
  color: var(--danger-color);
}

/* Charts */
.chart-container {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.chart-container canvas {
  max-height: 400px;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 20px;
  padding: 20px;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.filters .form-group {
  margin-bottom: 0;
  min-width: 150px;
}

.filters .form-group label {
  font-size: 0.85rem;
  margin-bottom: 5px;
}

.filters .form-group input,
.filters .form-group select {
  padding: 8px 12px;
  font-size: 0.9rem;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

.spinner-dark {
  border-color: rgba(0, 0, 0, 0.1);
  border-top-color: var(--accent-color);
}

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

/* Hidden utility */
.hidden {
  display: none !important;
}

/* Link in success message */
.success-link {
  display: block;
  margin-top: 15px;
  padding: 15px;
  background: rgba(39, 174, 96, 0.1);
  border-radius: var(--border-radius);
  text-align: center;
}

.success-link a {
  color: var(--success-color);
  font-weight: 500;
  text-decoration: none;
}

.success-link a:hover {
  text-decoration: underline;
}

/* Editable table cell */
td select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.9rem;
  background: white;
}

td select:focus {
  outline: none;
  border-color: var(--accent-color);
}

/* Row status indicators */
tr.categorized td:first-child {
  border-left: 3px solid var(--success-color);
}

tr.uncategorized td:first-child {
  border-left: 3px solid var(--warning-color);
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .card {
    padding: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .filters {
    flex-direction: column;
  }

  .filters .form-group {
    width: 100%;
  }

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

  .nav-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .radio-group {
    flex-direction: column;
    gap: 10px;
  }
}