/* =========================
   COMMON HEADER (INSTAGRAM STYLE)
========================= */

.header {
  position: relative;
  top: 0;
  z-index: 1000;

  width: 100%;
  background: #000;
  border-bottom: 1px solid #111;

  transition: transform 0.25s ease;
  will-change: transform;
}

/* 내부 컨테이너 */
.header-inner {
  height: 64px;              /* 숨 막힌다고 해서 여유 줌 */
  max-width: 480px;
  margin: 0 auto;
  padding: 0 18px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 로고 */
.logo {
  width: 120px;              /* 기존과 동일 */
  height: auto;
  cursor: pointer;
}

/* =========================
   HEADER ICON — IMAGE ONLY
========================= */

/* 모든 헤더 액션 버튼 공통 */
.header-action,
.back-btn,
.more-header-btn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;

  width: auto;
  height: auto;

  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
}

/* 종이비행기 아이콘 */
.header-action img,
.back-btn img,
.more-header-btn img {
  width: 22px;
  height: 22px;
  display: block;
}

/* 스크롤 시 헤더 숨김 */
.header.hide {
  transform: translateY(-100%);
}

.back-btn,
.more-header-btn {
  gap: 0;
}

.setting-btn svg {
  width: 22px;
  height: 22px;
  color: #fff; /* stroke = currentColor */
}