@import url("https://fonts.googleapis.com/css?family=Inconsolata");
html {
  box-sizing: border-box;
}

*, *::after, *::before {
  box-sizing: inherit;
}

html, body {
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: linear-gradient(100deg, 
  rgba(174, 238, 186, 1) 0%,   /* 연한 연두색 */
  rgba(128, 208, 191, 1) 50%,  /* 밝은 청록색 */
  rgba(100, 170, 170, 1) 100%  /* 차분한 에메랄드색 */
);
  font-family: "Inconsolata", monospace;
}

.window {
  min-width: 360px;
  min-height: 220px;
  background-color: #c7c7c7;
  padding: 4px;
  border-left: 2px solid #FCFCFC;
  border-top: 2px solid #FCFCFC;
  border-right: 2px solid #2A2A2A;
  border-bottom: 2px solid #2A2A2A;
}

.title-bar {
  background-color: #000080;
  padding: 4px;
  height: 30px;
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.title-bar > .minimize, .title-bar > .maximize, .title-bar > .close {
  width: 26px;
  height: 22px;
  background-color: #c7c7c7;
  margin-left: 4px;
  border-left: 2px solid #FCFCFC;
  border-top: 2px solid #FCFCFC;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.title-bar > .minimize:hover, .title-bar > .maximize:hover, .title-bar > .close:hover {
  background-color: #bababa;
  border-left: 2px solid #2A2A2A;
  border-top: 2px solid #2A2A2A;
  border-right: 2px solid #FCFCFC;
  border-bottom: 2px solid #FCFCFC;
}
.title-bar > .minimize {
  align-items: flex-end;
}
.title-bar > .minimize > .symbol {
  width: 60%;
  height: 3px;
  background-color: #000000;
  margin-bottom: 2px;
}
.title-bar > .maximize > .symbol {
  width: 70%;
  height: 80%;
  border: 2px solid #000000;
  border-top-width: 4px;
}
.title-bar > .close > .symbol {
  width: 70%;
  height: 3px;
  background-color: #000000;
  transform: rotate(45deg);
}
.title-bar > .close > .symbol::after {
  content: "";
  top: 0;
  left: 0;
  position: absolute;
  width: 100%;
  height: 3px;
  background-color: #000000;
  transform: rotate(90deg);
}

.menu-bar > span {
  padding: 8px;
  display: inline-block;
  cursor: pointer;
}
.menu-bar > span::first-letter {
  text-decoration: underline;
}
.menu-bar > span:hover {
  background-color: #bababa;
}

.content-container {
  border-left: 2px solid #2A2A2A;
  border-top: 2px solid #2A2A2A;
  border-right: 2px solid #FCFCFC;
  border-bottom: 2px solid #FCFCFC;
}
.content-container > .content {
  display: flex;
  height: 260px;
}
.content-container > .content > .main, .content-container > .content > .scroll-left {
  height: 100%;
}
.content-container > .content > .main {
  width: calc(100% - 26px);
}
.content-container > .content > .scroll {
  width: 26px;
}

.scroll {
  background-color: #D7D7D7;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: column;
}
.scroll > .progress {
  width: 24px;
  height: 70%;
  cursor: pointer;
  border-left: 2px solid #FCFCFC;
  border-top: 2px solid #FCFCFC;
  border-right: 2px solid #2A2A2A;
  border-bottom: 2px solid #2A2A2A;
  background-color: #c7c7c7;
}
.scroll > .progress:hover {
  background-color: #bababa;
}
.scroll > .start, .scroll > .end {
  width: 24px;
  height: 22px;
  position: relative;
  border-left: 2px solid #FCFCFC;
  border-top: 2px solid #FCFCFC;
  border-right: 2px solid #2A2A2A;
  border-bottom: 2px solid #2A2A2A;
  background-color: #c7c7c7;
}
.scroll > .start:hover, .scroll > .end:hover {
  background-color: #bababa;
  border-left: 2px solid #2A2A2A;
  border-top: 2px solid #2A2A2A;
  border-right: 2px solid #FCFCFC;
  border-bottom: 2px solid #FCFCFC;
}
.scroll > .start::after, .scroll > .end::after {
  content: "";
  display: block;
  position: absolute;
  width: 0;
  height: 0;
  top: 6px;
  left: 4px;
  border-top: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid #000000;
}
.scroll > .end::after {
  transform: rotate(180deg);
}
.scroll.-row {
  flex-direction: row;
}
.scroll.-row > .progress {
  width: 30%;
  height: 24px;
}
.scroll.-row > .start::after {
  transform: rotate(-90deg);
}
.scroll.-row > .end::after {
  transform: rotate(90deg);
}

.file-list {
  list-style: none;
  padding: 10px;
  margin: 0;
}

.file-list li {
  margin: 6px 0;
}

.file-list a {
  text-decoration: none;
  color: #000080; /* 98 스타일 네이비 */
  padding: 3px 6px;
  display: inline-block;
}

.file-list a:hover {
  background-color: #bababa;
  border-left: 2px solid #2A2A2A;
  border-top: 2px solid #2A2A2A;
  border-right: 2px solid #FCFCFC;
  border-bottom: 2px solid #FCFCFC;
}