/* Base styles */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --error: #dc2626;
  --success: #16a34a;
  --text: #1f2937;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --bg-light: #f9fafb;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  color: var(--text);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-light);
  margin-bottom: 2rem;
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 0.75rem;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--bg-light);
  margin-bottom: 2rem;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--primary);
  background-color: white;
}

.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.upload-icon {
  width: 3rem;
  height: 3rem;
  color: var(--primary);
}

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

/* File list */
.file-list-container {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 2rem;
  background: white;
}

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

.file-list-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.file-count {
  color: var(--text-light);
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-light);
}

.file-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.file-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--text-light);
}

/* Buttons */
.actions {
  display: flex;
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
  min-width: 150px;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--primary);
}

.btn-ghost {
  background: none;
  color: var(--text);
}

.btn-ghost:hover {
  background-color: var(--bg-light);
}

/* Screens */
.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* Reports header */
.reports-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-light);
  border-radius: 0.75rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-group label {
  font-weight: 500;
  color: var(--text);
}

.input {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  font-size: 1rem;
  width: 100%;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
}

/* Tabs */
.tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tab-trigger {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  position: relative;
}

.tab-trigger.active {
  color: var(--primary);
}

.tab-trigger.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

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

.table th {
  background-color: var(--bg-light);
  font-weight: 500;
}

/* Expandable rows */
.expandable-row {
  background-color: var(--bg-light);
}

.expandable-content {
  padding: 1rem;
  display: none;
}

.expandable-content.expanded {
  display: block;
}

/* Order cards */
.order-card {
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 1rem;
  margin-bottom: 0.5rem;
  background-color: white;
}

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

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-overlay.hidden {
  display: none;
}

.loading-content {
  background: white;
  padding: 2rem;
  border-radius: 0.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

#loadingMessage {
  color: var(--text);
  font-weight: 500;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  padding: 1rem;
  border-radius: 0.375rem;
  background-color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(100%);
  opacity: 0;
  transition: all 0.3s;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--bg-light);
  color: var(--text);
}

/* Utility classes */
.hidden {
  display: none !important;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
}