/* opensource.html 페이지 전용 스타일 */

.page-container {
    position: relative; width: 100%; max-width: none;
    min-height: 100vh;
    margin: 0 ;background-color: var(--color-background);
    display: flex; flex-direction: column; box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    overflow: hidden; opacity: 0; /* Motion One 애니메이션용 */
}
.content-wrapper {
    flex-grow: 1; overflow-y: auto; padding-bottom: 85px;
}
.content-wrapper::-webkit-scrollbar { display: none; }

/* --- 상단 파란색 헤더 --- */
.opensource-header {
    background-color: var(--color-primary);
    color: var(--color-container);
    padding: 15px 20px;
    height: 120px;
    flex-shrink: 0;
}
.opensource-header .top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-nav h1 {
    font-size: 18px;
    font-weight: 700;
    flex-grow: 1;
    text-align: center;
}
.opensource-header .icon-btn {
    background: none; border: none; color: var(--color-container);
    cursor: pointer; font-size: 16px; text-decoration: none;
}
/* 제목 중앙 정렬을 위해 오른쪽에도 버튼과 같은 공간 차지하는 요소 배치 */
.top-nav .icon-btn:last-child { visibility: hidden; } 

/* --- 메인 콘텐츠 (흰색 카드) --- */
.opensource-content {
    background-color: var(--color-container);
    padding: 30px 25px;
    border-radius: 30px;
    margin: -50px 15px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10;
}

/* --- 라이선스 목록 스타일 --- */
.license-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--color-border);
}
.license-item:first-child {
    padding-top: 0;
}
.license-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.license-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}
.license-item p {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}
.license-item .license-type {
    font-weight: 500;
    color: var(--color-primary);
    margin-top: 4px;
}

/* --- 하단 네비게이션 바 --- */
.bottom-nav {
    position: fixed;
    z-index: 1000;
    bottom: 0; left: 0; right: 0; height: 85px;
    background-color: var(--color-container); display: flex;
    justify-content: space-around; align-items: center;
    border-top: 1px solid var(--color-border); flex-shrink: 0;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
}
.nav-item {
    display: flex; flex-direction: column; align-items: center;
    text-decoration: none; color: var(--color-text-nav); font-size: 12px;
}
.nav-item.active { color: var(--color-primary); }
.nav-item i { font-size: 22px; margin-bottom: 5px; }
.nav-item-main {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-container); width: 65px; height: 65px; border-radius: 50%;
    display: flex; justify-content: center; align-items: center;
    transform: translateY(-40%); box-shadow: 0 4px 12px rgba(74, 108, 255, 0.4);
    border: 5px solid var(--color-container); cursor: pointer;
}
.nav-item-main i { font-size: 28px; }