body, h1, h2, p, a {
  font-family: Arial;
}

body.dark-theme {
  background-color: #181a1b;
  color: #e0e0e0;
}
body.light-theme {
  background-color: #f5f5f5;
  color: #222;
}

.dark-theme .section, .dark-theme .vertical-menu {
  background-color: #181a1b !important;
  color: #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.light-theme .section, .light-theme .vertical-menu {
  background-color: #eee !important;
  color: #222;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.dark-theme select, .dark-theme #frontend-branch, .dark-theme #backend-branch, .dark-theme #file-list {
  background-color: #23272a !important;
  color: #e0e0e0;
  border: 1px solid #444;
}
.light-theme select, .light-theme #frontend-branch, .light-theme #backend-branch, .light-theme #file-list {
  background-color: #f5f5f5 !important;
  color: #222;
  border: 1px solid #bbb;
}

.dark-theme button, .dark-theme .blue-background, .dark-theme .sort-button {
  background-color: #2c2f34 !important;
  color: #e0e0e0 !important;
  border: 1px solid #444;
  border-radius: 4px;
  transition: background 0.2s;
}
.dark-theme button:hover, .dark-theme .blue-background:hover, .dark-theme .sort-button:hover {
  background-color: #444 !important;
}
.light-theme button, .light-theme .blue-background, .light-theme .sort-button {
  background-color: #e0e0e0 !important;
  color: #222 !important;
  border: 1px solid #bbb;
  border-radius: 4px;
  transition: background 0.2s;
}
.light-theme button:hover, .light-theme .blue-background:hover, .light-theme .sort-button:hover {
  background-color: #ccc !important;
}

.dark-theme h2 {
    background-color: #1976d2;
  
  color: #fff;
}
.light-theme h2 {
  background-color: #003973;
  color: #fff;
}

.dark-theme a {
  color: #7abaff;
}
.dark-theme a:hover {
  color: #a3d8ff;
}
.light-theme a {
  color: #1976d2;
}
.light-theme a:hover {
  color: #003973;
}

.dark-theme #buildOverlay, .dark-theme #busyOverlay {
  background-color: rgba(0,0,0,0.7);
}
.light-theme #buildOverlay, .light-theme #busyOverlay {
  background-color: rgba(255,255,255,0.7);
}

.dark-theme #overlayText {
  color: #fff;
}
.light-theme #overlayText {
  color: #222;
}
.loader {
  border: 16px solid #f3f3f3;
  border-top: 16px solid #3498db;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 2s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.header-container .imgbox {
  flex: 1;
  text-align: left;
}
.header-container .imgbox img {
  max-width: 100px;
  max-height: 100px;
}
.header-container .header_title {
  flex: 3;
  text-align: left;
}
.vertical-menu a {
  background-color: #eee;
  color:black;
  display: block;
  padding: 10px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  text-align: left;
  width: 100%;
   margin-top: 10px;
}
.vertical-menu a:hover {
  background-color: #ccc;
}
.blue-background {
  background-color: #eee;
}
.selected-branch {
  background-color: #ccc;
}
.section {
  display: flex;
  flex-direction: column;
  background-color: #ffffff;
}
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.sort-button {
  margin-left: auto;
}
.blue-background {
  background-color: #eee;
  color:black;
  padding: 10px;
  text-decoration: none;
}
.blue-background:hover {
  background-color: #ccc;
}
h2 {
  background-color: #003973;
  color: white;
  padding: 5px;
}
#frontend-branch, #backend-branch, #file-list {
  background-color: #eee;
}
#buildOverlay {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 2;
  cursor: pointer;
}
#busyOverlay {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  z-index: 2;
  cursor: pointer;
}
#overlayText {
  position: absolute;
  top: 50%;
  left: 50%;
  font-size: 50px;
  color: white;
  transform: translate(-50%,-50%);
  -ms-transform: translate(-50%,-50%);
}