:root {
  --primary-color: #a00;
  --primary-hover: #c00;
  --success-color: #388e3c;
  --error-color: #a00;
  --text-muted: #666;
  --text-light: #aaa;
  --bg-light: #f5f5f5;
  --bg-white: #fff;
  --border-color: #ddd;
  --border-light: #aaa;
  --mock-bg: #fff5e6;
  --mock-border: #f0c36d;
  --mock-text: #b35f00;
  --live-bg: #e8f5e9;
  --live-border: #a5d6a7;
  --live-text: #256029;
  --debug-red: #ff3b30;
}

#metadataDisplay {
  margin-top: 1em;
  background: #f9f9f9;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary-color);
  padding: 1em;
  font-size: 1em;
  color: #333;
}

.hidden { 
  display: none !important; 
}
.metadata {
  margin-top: 0;
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  color: inherit;
}

.metadata-json-container {
  margin-top: 0.75em;
}

.metadata-json {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, 'Roboto Mono', 'Courier New', monospace;
  background: transparent;
  padding: 0;
  border: none;
  border-radius: 0;
  max-height: 400px;
  overflow: auto;
}

#upload-form {
  width: 65%;
  max-width: 720px;
  margin: 2em auto;
  padding: 1.5em;
  display: flex;
  flex-direction: column;
  gap: 1em;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--primary-color);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  #upload-form {
    width: 90%;
    margin: 1em auto;
    padding: 1em;
  }
}

#upload-form > * {
  width: 100%;
  box-sizing: border-box;
}

#g_id_signin {
  display: flex;
  justify-content: center;
  margin-bottom: 1em;
}

#signin-status {
  margin-bottom: 1em;
  text-align: center;
}

#signed-in-message {
  color: var(--success-color);
  font-weight: bold;
}

#upload-form input,
#upload-form button {
  border: 1px solid var(--border-light);
  padding: 0.6em 0.75em;
  font: inherit;
  font-size: 1em;
}

#uploadButton {
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.2s ease;
}

#uploadButton:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

#uploadButton:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  color: var(--text-muted);
}

#fileInfo {
  color: var(--text-light);
}

#progress {
  height: 1em;
  background: #eee;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

#progressBar {
  background-color: var(--primary-color);
  height: 100%;
  width: 0;
  border-radius: 4px 0 0 4px;
  transition: width 0.2s ease;
}

#result {
  min-height: 2.5em;
  background-color: var(--bg-light);
  border-left: 3px solid var(--primary-color);
  padding: 0.75em 1em;
}

#mockBanner {
  padding: 0.5em 0.75em;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95em;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#mockBanner.mode-mock {
  background: var(--mock-bg);
  border: 1px solid var(--mock-border);
  color: var(--mock-text);
}

#mockBanner.mode-live {
  background: var(--live-bg);
  border: 1px solid var(--live-border);
  color: var(--live-text);
}

#bannerSignout {
  background: #eee;
  border: 1px solid var(--border-light);
  color: #333;
  padding: 0.4em 1em;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
  margin-left: 1em;
  transition: background 0.2s;
}

#bannerSignout:hover {
  background: #e57373;
  color: var(--bg-white);
  border-color: var(--primary-color);
}

#downloadLink {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  padding: 0.5em 0.75em;
  font-weight: bold;
  transition: background-color 0.2s ease;
}

#downloadLink:hover {
  background-color: var(--primary-hover);
}

.error {
  color: var(--error-color);
  font-weight: bold;
}

.success {
  color: var(--text-muted);
}