:root {
  /* CI360 base sizing (non-color defaults) */
  --ci360-button-size: 40px;
  --ci360-button-border-radius: 6px;
  --ci360-icon-size: 20px;
  --ci360-initial-icon-size: 100px;
  --ci360-initial-icon-border-radius: 16px;
  --ci360-spinner-size: 30px;
  --ci360-fullscreen-bg: #ffffff;
  --ci360-zoom-controls-border-radius: 8px;
  --ci360-hints-font-size: 13px;
  --ci360-hints-border-radius: 20px;
  --ci360-focus-color: #0066cc;
}

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

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #E0E0E0;
  color: #222;
  line-height: 1.5;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: #666;
  margin-bottom: 2rem;
}

/* Index page — model grid */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.model-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.2s, transform 0.2s;
}

.model-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.model-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: #fafafa;
  display: block;
}

.model-card .card-body {
  padding: 1rem;
}

.model-card .card-body h2 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.model-card .card-body p {
  font-size: 0.85rem;
  color: #888;
}

.loading {
  color: #999;
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem;
}

/* Viewer page */
.back-link {
  display: inline-block;
  margin-bottom: 1rem;
  color: #555;
  text-decoration: none;
  font-size: 0.95rem;
}

.back-link:hover {
  color: #000;
}

.viewer-container {
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-top: 1rem;
}

.viewer-container .cloudimage-360 {
  width: 100%;
  min-height: 400px;
}

/* CI360 scoped overrides — inherits from .viewer-container, beats :root */
.viewer-container {
  --ci360-button-bg: rgba(30, 30, 30, .9);
  --ci360-button-bg-hover: rgba(30, 30, 30, 1);
  --ci360-button-shadow: 0 2px 8px rgba(0, 0, 0, .25);
  --ci360-icon-color: #ffffff;
  --ci360-icon-color-hover: #ffffff;
  --ci360-initial-icon-bg: rgba(0, 0, 0, .6);
  --ci360-initial-icon-color: #ffffff;
  --ci360-hints-bg: rgba(0, 0, 0, .85);
  --ci360-hints-color: #ffffff;
  --ci360-spinner-color: rgba(255, 255, 255, .3);
  --ci360-spinner-accent: #ffffff;
  --ci360-loader-bg: rgba(30, 30, 30, .9);
  --ci360-loader-color: #ffffff;
}

/* Upload page */
.upload-card {
  background: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
  max-width: 600px;
}

.upload-card label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  margin-top: 1rem;
}

.upload-card label:first-child {
  margin-top: 0;
}

.upload-card input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 0.95rem;
}

.upload-card input[type="file"] {
  font-size: 0.9rem;
}

.field-hint {
  font-size: 0.8rem;
  color: #888;
  margin-top: 0.25rem;
}

.field-hint code {
  background: #f0f0f0;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.78rem;
}

.upload-btn {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.6rem 1.5rem;
  background: #333;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
}

.upload-btn:disabled {
  background: #ccc;
  cursor: default;
}

.upload-btn:not(:disabled):hover {
  background: #111;
}

.upload-status {
  margin-top: 1rem;
  font-size: 0.9rem;
}

.upload-status.success {
  color: #2a7d2e;
}

.upload-status.error {
  color: #c0392b;
}

.upload-status a {
  color: inherit;
  font-weight: 600;
}