html body {
  margin: 0;
  background: var(--bg-gutter);
  color: var(--text);
}

#root {
  width: var(--strip-max);
  max-width: 100%;
  margin: 0 auto;
  min-height: 100svh;
  background: var(--bg-strip);
  border-inline: 1px solid var(--border);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.strip-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  height: 60px;
  box-sizing: border-box;
  background: var(--bg-header);
  color: #fff;
  padding: 0 16px;
  border-bottom: 2px solid var(--border);
}
.strip-side {
  flex: 0 0 44px;
  display: flex;
  align-items: center;
  font-size: 22px;
}
.strip-side.end { justify-content: flex-end; }
.strip-side a {
  color: #fff;
  text-decoration: none;
  line-height: 1;
}
.strip-btn {
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.strip-btn:disabled {
  opacity: 0.5;
  cursor: default;
}
.strip-title {
  flex: 1;
  min-width: 0;
  margin: 0;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fff;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.strip-main {
  flex: 1;
  padding: 24px;
}