*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #0d1117;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.hidden {
  display: none !important;
}

.input-screen {
  display: flex;
  justify-content: center;
  align-items: center;
}

.input-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 400px;
}

.gh-logo {
  width: 52px;
  height: 52px;
  fill: #c9d1d9;
}

.input-subtitle {
  color: #8b949e;
  font-size: 13px;
}

.input-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.input-row input {
  flex: 1;
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #c9d1d9;
  font-size: 13px;
  padding: 7px 12px;
  outline: none;
  transition: border-color 0.2s;
}

.input-row input:focus {
  border-color: #388bfd;
}

.input-row input::placeholder {
  color: #484f58;
}

.input-row button {
  background: #21262d;
  border: 1px solid #30363d;
  border-radius: 6px;
  color: #c9d1d9;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 34px;
  fill: #c9d1d9;
  transition: background 0.2s;
  flex-shrink: 0;
}

.input-row button:hover {
  background: #30363d;
}

.input-row button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-row button svg {
  width: 16px;
  height: 16px;
}

.error-msg {
  color: #f85149;
  font-size: 12px;
  min-height: 16px;
  text-align: center;
}

.card-container {
  position: relative;
  width: 520px;
  height: 430px;
  border-radius: 1em;
}

.card-border {
  position: absolute;
  inset: 0;
  background: #21262d;
  border-radius: inherit;
}

.card {
  position: absolute;
  inset: 1px;
  border-radius: calc(1em - 1px);
  background: #0d1117;
  display: flex;
  flex-direction: column;
  color: #c9d1d9;
  overflow: hidden;
  border: 1px solid #30363d;
}

.header {
  background: #161b22;
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid #21262d;
  flex-shrink: 0;
}

.top-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding: 10px 12px 8px;
}

.gh-icon {
  display: flex;
  height: 1.5em;
  fill: #8b949e;
  flex-shrink: 0;
  transition: fill 0.2s;
}

.gh-icon:hover {
  fill: #c9d1d9;
}

.gh-icon svg {
  height: 100%;
  width: auto;
}

.repo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.repo a {
  text-decoration: none;
  color: #8b949e;
  font-size: 13px;
  font-weight: 400;
  transition: color 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.repo a:hover {
  color: #58a6ff;
}

.repo-slash {
  color: #484f58;
  font-size: 11px;
  pointer-events: none;
}

.repo-name {
  color: #e6edf3 !important;
  font-weight: 600 !important;
}

.pfp {
  width: 1.5em;
  height: 1.5em;
  border-radius: 50%;
  background-color: #21262d;
  background-size: cover;
  background-position: center;
  flex-shrink: 0;
}

.space {
  flex-grow: 1;
}

.icon {
  cursor: pointer;
  display: flex;
  height: 1.75em;
  width: 1.75em;
  padding: 0.3em;
  border-radius: 0.3em;
  fill: #8b949e;
  border: 1px solid #30363d;
  transition: background 0.2s;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon:hover {
  background: #21262d;
  fill: #c9d1d9;
}

.icon svg {
  width: 100%;
  height: 100%;
}

.loading-icon {
  display: none;
  width: 1.25em;
  height: 1.25em;
  fill: #8b949e;
  flex-shrink: 0;
}

.loading-icon.active {
  display: flex;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spin-anim {
  animation: spin 0.7s linear infinite;
  width: 100%;
  height: 100%;
}

.btm-header {
  display: flex;
  flex-direction: row;
  padding: 0 8px;
  gap: 2px;
  overflow-x: auto;
}

.btm-header::-webkit-scrollbar {
  height: 0;
}

.tab {
  position: relative;
  padding: 6px 8px 9px;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  cursor: pointer;
  isolation: isolate;
  color: #8b949e;
  fill: #8b949e;
  white-space: nowrap;
  transition: color 0.2s;
}

.tab.active {
  color: #e6edf3;
  fill: #e6edf3;
  border-bottom: 2px solid #f78166;
}

.tab-icon {
  width: 1em;
  height: 1em;
}

.tab::before {
  content: "";
  position: absolute;
  background: #fff;
  border-radius: 6px;
  opacity: 0;
  inset: 2px 0 5px;
  z-index: -1;
  transition: opacity 0.2s;
}

.tab:hover::before {
  opacity: 0.05;
}

.content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.tab-panel {
  display: none;
  height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.tab-panel.active {
  display: flex;
}

.tree-view {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.tree-view::-webkit-scrollbar { width: 4px; }
.tree-view::-webkit-scrollbar-track { background: transparent; }
.tree-view::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }

.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  cursor: pointer;
  font-size: 12px;
  color: #c9d1d9;
  transition: background 0.15s;
  user-select: none;
}

.tree-row:hover {
  background: #161b22;
}

.tree-icon {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tree-icon svg {
  width: 14px;
  height: 14px;
}

.tree-icon.dir svg  { fill: #e3b341; }
.tree-icon.file svg { fill: #8b949e; }

.tree-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-loader {
  padding: 2px 8px 2px 24px;
  font-size: 11px;
  color: #484f58;
}

.list-view {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.list-view::-webkit-scrollbar { width: 4px; }
.list-view::-webkit-scrollbar-track { background: transparent; }
.list-view::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }

.list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 12px;
  border-bottom: 1px solid #21262d;
  transition: background 0.15s;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background: #161b22;
}

.commit-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #21262d;
  flex-shrink: 0;
  object-fit: cover;
}

.release-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  fill: #3fb950;
  flex-shrink: 0;
}

.release-icon svg {
  width: 16px;
  height: 16px;
}

.list-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.list-title {
  font-size: 12px;
  font-weight: 500;
  color: #c9d1d9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.list-meta {
  font-size: 11px;
  color: #484f58;
}

.prs {
  margin: 10px;
  height: calc(100% - 20px);
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid #30363d;
  border-radius: 6px;
  overflow: auto;
}

.prs::-webkit-scrollbar { width: 4px; }
.prs::-webkit-scrollbar-track { background: transparent; }
.prs::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }

.pr {
  display: flex;
  flex-direction: row;
  gap: 8px;
  width: 100%;
  border-bottom: 1px solid #21262d;
  padding: 8px 10px;
  transition: background 0.15s;
}

.pr:last-child {
  border-bottom: none;
}

.pr:hover {
  background: #161b22;
}

.pr-icon {
  display: flex;
  width: 1em;
  height: 1em;
  fill: #3fb950;
  flex-shrink: 0;
  margin-top: 2px;
}

.pr-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.pr-title {
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #c9d1d9;
  transition: color 0.2s;
}

.pr-title:hover {
  color: #58a6ff;
}

.pr-desc {
  font-size: 11px;
  color: #484f58;
}

.empty-msg {
  padding: 24px;
  text-align: center;
  color: #484f58;
  font-size: 13px;
}

.readme-view {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  font-size: 12px;
  line-height: 1.6;
  color: #c9d1d9;
}

.readme-view::-webkit-scrollbar { width: 4px; }
.readme-view::-webkit-scrollbar-track { background: transparent; }
.readme-view::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }

.readme-loading {
  color: #484f58;
  font-size: 12px;
  padding: 8px 0;
}

.readme-view h1,
.readme-view h2,
.readme-view h3,
.readme-view h4 {
  color: #e6edf3;
  margin: 14px 0 6px;
  line-height: 1.3;
}

.readme-view h1 { font-size: 18px; border-bottom: 1px solid #21262d; padding-bottom: 6px; }
.readme-view h2 { font-size: 15px; border-bottom: 1px solid #21262d; padding-bottom: 4px; }
.readme-view h3 { font-size: 13px; }
.readme-view h4 { font-size: 12px; }

.readme-view p {
  margin: 6px 0;
}

.readme-view a {
  color: #58a6ff;
  text-decoration: none;
}

.readme-view a:hover {
  text-decoration: underline;
}

.readme-view code {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 4px;
  padding: 1px 5px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 11px;
  color: #e6edf3;
}

.readme-view pre {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 12px;
  overflow-x: auto;
  margin: 8px 0;
}

.readme-view pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 11px;
  color: #c9d1d9;
}

.readme-view pre::-webkit-scrollbar { height: 4px; }
.readme-view pre::-webkit-scrollbar-thumb { background: #30363d; border-radius: 4px; }

.readme-view ul,
.readme-view ol {
  padding-left: 20px;
  margin: 6px 0;
}

.readme-view li {
  margin: 2px 0;
}

.readme-view blockquote {
  border-left: 3px solid #30363d;
  padding-left: 10px;
  margin: 6px 0;
  color: #8b949e;
}

.readme-view img {
  max-width: 100%;
  border-radius: 4px;
  margin: 4px 0;
}

.readme-view table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin: 8px 0;
}

.readme-view th,
.readme-view td {
  border: 1px solid #30363d;
  padding: 5px 8px;
  text-align: left;
}

.readme-view th {
  background: #161b22;
  color: #e6edf3;
}

.readme-view hr {
  border: none;
  border-top: 1px solid #21262d;
  margin: 12px 0;
}