from pathlib import Path

app_css = '''
:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background: #f8fafc;
  line-height: 1.5;
}

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

html, body, #root {
  min-height: 100%;
}

body {
  margin: 0;
  background: #f8fafc;
  color: #111827;
}

button, input, select, textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(1.9rem, 2.5vw, 2.6rem);
}

.topbar p {
  margin: 6px 0 0;
  color: #475569;
}

.topbar-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 14px;
  background: #f8fafc;
  color: #334155;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.topbar-nav a:hover {
  background: #ffffff;
  border-color: #d1d5db;
}

.content-viewer {
  margin-top: 24px;
}

.route-index,
.panel,
.viewer-panel,
.bridge-panel,
.room-setup-dropzone,
.room-setup-card,
.room-setup-preview {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
}

.route-index,
.panel,
.viewer-panel,
.bridge-panel,
.room-setup-card {
  padding: 22px;
}

.route-index h2,
.panel h2,
.viewer-panel h2,
.room-setup-copy h1,
.room-setup-bottom h2 {
  margin: 0 0 16px;
}

.route-index p,
.room-setup-features li,
.room-setup-drop-content p,
.room-setup-drop-content small,
.room-setup-card h3,
.topbar p,
.error-box,
.empty-state {
  color: #475569;
}

.route-index ul,
.room-setup-features,
.room-setup-filters,
.room-setup-grid {
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-index ul {
  display: grid;
  gap: 12px;
}

.form-row {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

label {
  font-size: 0.95rem;
  color: #334155;
}

input,
select,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #d1d5db;
  background: #f8fafc;
  color: #111827;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #cbd5e1;
  outline-offset: 2px;
}

.button,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.button {
  background: #111827;
  color: #ffffff;
}

.button:hover {
  opacity: 0.95;
}

.button.secondary,
.button-secondary {
  background: #f3f4f6;
  color: #111827;
  border-color: #d1d5db;
}

.error-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: 16px;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.empty-state {
  min-height: 220px;
  display: grid;
  place-content: center;
  border: 1px dashed #d1d5db;
  border-radius: 18px;
}

.room-setup {
  background: #f8fafc;
}

.room-setup-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.room-setup-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

.room-setup-close {
  border: none;
  background: transparent;
  color: #475569;
  padding: 10px;
  border-radius: 999px;
  cursor: pointer;
}

.room-setup-close:hover {
  background: #e5e7eb;
}

.room-setup-top {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.1fr 0.9fr;
  margin-bottom: 40px;
}

.room-setup-copy h1 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 2.5vw, 3rem);
  color: #111827;
}

.room-setup-features {
  display: grid;
  gap: 16px;
}

.room-setup-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #475569;
}

.room-setup-actions {
  display: grid;
  gap: 16px;
}

.button-primary {
  background: #111827;
  color: #ffffff;
}

.button-primary:hover {
  opacity: 0.95;
}

.button-secondary {
  background: #ffffff;
  color: #334155;
  border-color: #d1d5db;
}

.button-secondary:hover {
  background: #f3f4f6;
}

.button-icon-border {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid #d1d5db;
}

.room-setup-dropzone {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  padding: 24px;
  border: 1px dashed #d1d5db;
  border-radius: 28px;
}

.room-setup-dropzone.dragging {
  background: #f3f4f6;
}

.room-setup-file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.room-setup-drop-content {
  text-align: center;
}

.room-setup-drop-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 999px;
  background: #e2e8f0;
  color: #64748b;
  margin-bottom: 18px;
}

.room-setup-drop-icon.active {
  background: #dbeafe;
  color: #1e293b;
}

.room-setup-drop-content h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

.room-setup-drop-content p,
.room-setup-drop-content small {
  margin: 0;
  color: #64748b;
}

.room-setup-preview {
  position: relative;
  width: 100%;
  height: 100%;
}

.room-setup-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.room-setup-preview-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.room-setup-preview:hover .room-setup-preview-overlay {
  opacity: 1;
}

.button-delete {
  background: #ffffff;
  color: #111827;
  padding: 12px 16px;
  border-radius: 14px;
  font-weight: 600;
  border: 1px solid #d1d5db;
}

.room-setup-bottom h2 {
  margin: 0 0 24px;
}

.room-setup-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.room-setup-filter {
  border: 1px solid #d1d5db;
  background: #ffffff;
  color: #334155;
  padding: 10px 16px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.room-setup-filter.active {
  background: #f3f4f6;
}

.room-setup-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 20px;
}

.room-setup-card {
  overflow: hidden;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
}

.room-setup-card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.room-setup-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.room-setup-card:hover .room-setup-card-image img {
  transform: scale(1.04);
}

.room-setup-card h3 {
  margin: 16px;
  font-size: 1rem;
  color: #334155;
}

.app-version-badge {
  position: fixed;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  border-radius: 12px 0 0 0;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #e5e7eb;
  color: #475569;
  font-size: 0.8rem;
  z-index: 1000;
}

.app-version-badge span {
  display: block;
  font-weight: 700;
  color: #111827;
}

.app-version-badge small {
  display: block;
  margin-top: 2px;
}

@media (max-width: 960px) {
  .room-setup-top {
    grid-template-columns: 1fr;
  }

  .room-setup-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .room-setup-inner {
    padding: 20px 16px;
  }

  .room-setup-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .content {
    grid-template-columns: 1fr;
  }
}
'@; Set-Content -Path '.\src\App.css' -Value $content"