html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background-color: #f5f5f5;
}

body {
  display: flex;
  justify-content: center;
}

.app-screen {
  width: 100%;
  max-width: 390px;
  height: 100dvh;
  background-color: white;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

body,
button,
input,
textarea,
select {
  font-family:
    "Pretendard",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

/* 상단 헤더 아이콘 크기 고정 */
/* 상단 헤더 아이콘 */
.header-icons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icons .icon-button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* header-icons 내부의 모든 img 강제 축소 */
.header-icons .icon-button img,
.header-icons img {
  width: 24px !important;
  height: 24px !important;
  max-width: 24px !important;
  max-height: 24px !important;
  object-fit: contain;
  display: block;
}

/* 하단 탭바 아이콘 (nav-image 클래스 유무와 상관없이 모든 img 적용) */
.bottom-nav .nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bottom-nav .nav-item img,
.bottom-nav img {
  width: 24px !important;
  height: 24px !important;
  max-width: 24px !important;
  max-height: 24px !important;
  object-fit: contain;
  display: block;
  margin: 0 auto 4px auto;
}