/* -------------------------------------------------
  4) 콘텐츠 영역: 좌측 카테고리(300px), 우측 메인(780px)
------------------------------------------------- */
.content-area {
  display: grid;
  grid-template-columns: 300px 780px;
  grid-template-rows: 1fr;
  overflow: hidden;
}

/* -------------------------------------------------
  4.1) 카테고리 패널 (폭 300px)
------------------------------------------------- */

.category-panel {
  background-color: #F5F5F5;
  border-right: 1px solid #D0D3D6;
  /* padding-top: 24px; */
  overflow-y: auto;
}

.category-list {
  margin-top: 100px;
  list-style: none;
}

.category-list li {
  margin: 14px 0;
}

.category-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F0F2F5;
  color: #212121;
  border: 2px solid #D0D3D6;
  border-radius: 16px;
  padding: 1rem 1.5rem;
  font-size: 1.4rem;
  font-weight: 600;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
  transition: background-color 0.2s, box-shadow 0.2s, border-color 0.2s;
  width: 260px;
  height: 80px;
  margin: 0 auto;
  min-width: 260px;
  min-height: 80px;
  cursor: pointer;
  white-space: nowrap;
}

.category-button[aria-pressed='true'],
.category-button:hover,
.category-button:focus {
  background-color: #1A252F; /* Primary-dark */
  color: #F0F2F5;
  border-color: #14202A; /* Darker */
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.category-button span.icon {
  margin-right: 12px;
  font-size: 1.8rem;
}

/* 스크롤바 스타일 */
.category-panel::-webkit-scrollbar {
  width: 0.8rem;
}
.category-panel::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 0.4rem;
}
.category-panel::-webkit-scrollbar-track {
  background-color: rgba(0, 0, 0, 0.08);
}

/* -------------------------------------------------
  4.2) 메인 패널 (780px 폭): 상품 목록(상단 60%) + 장바구니(하단 40%)
------------------------------------------------- */
.main-panel {
  display: grid;
  grid-template-rows: 1fr 0.4fr;
  overflow: hidden;
}

.category-area {
  /* display: flex;
  flex-direction: column; */
  display: grid;
  grid-template-rows: 1fr 0.4fr;
  height: 1796px;
  background-color: #F5F5F5 !important;
}


.btn-panel {
  display: flex;
  gap: 24px;
  flex-direction: column;
  align-items: center;
  justify-content: start;
  min-height: 240px;
  padding: 20px 20px;
  border-top: 2px solid #fff;
  border-bottom: 3px solid #fff;
  border-right: 2px solid #fff;
}


/* 공통 기본 버튼 — Flat + 살짝 음영 */
.return-btn,
.call-btn2 {
  /* 텍스트·레이아웃은 그대로 */
  color: #333;
  font-size: 1.5rem;
  font-weight: bold;
  padding: 2.0rem 1rem;
  width: 100%;
  height: auto;
  border: none;
  border-radius: 16px;
  cursor: pointer;
  text-align: center;
  transition:
    background 0.15s ease,   /* 그라디언트 변경 */
    box-shadow  0.15s ease,  /* 그림자 강도 */
    transform   0.10s ease;  /* 살짝 눌림 */
  
  /* ▶︎ 살짝-입체 그라디언트 */
  background: linear-gradient(              /* 빛이 위에서 오는 듯 */
    145deg,
    rgba(255,255,255,0.25) 0%,              /* 밝은 하이라이트 */
    rgba(0,0,0,0.06)   100%                 /* 아래쪽 은은한 음영 */
  );
  /* ▶︎ 기본 Elevation 1 */
  box-shadow: 0 1px 2px rgba(0,0,0,.18);
}

/* Hover / Focus — 그림자·배경 강화 */
.return-btn:hover,
.call-btn2:hover,
.return-btn:focus-visible,
.call-btn2:focus-visible {
  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.35) 0%,
    rgba(0,0,0,0.10) 100%
  );
  box-shadow: 0 3px 6px rgba(0,0,0,.24);    /* Elevation 3 정도 */
  outline: none;                             /* 포커스 링 제거 */
}

/* Active(클릭) — 눌린 느낌 */
.return-btn:active,
.call-btn2:active {
  transform: translateY(1px);
  box-shadow: 0 2px 3px rgba(0,0,0,.20);    /* 살짝 낮춤 */
}