:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border-color: #30363d;
  --border-subtle: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #2f81f7;
  --accent-hover: #58a6ff;
  --success: #238636;
  --success-hover: #2ea043;
  --danger: #da3633;
  --danger-hover: #f85149;
  --warning: #d29922;
  --purple: #a371f7;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 6px;
}

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

body.dark-theme {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Navbar */
.navbar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
}
.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
}
.brand-text {
  letter-spacing: -0.5px;
}
.badge-rust {
  background-color: rgba(210, 153, 34, 0.2);
  color: var(--warning);
  border: 1px solid rgba(210, 153, 34, 0.4);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 12px;
  font-weight: 500;
}
.nav-links {
  display: flex;
  gap: 16px;
}
.nav-link {
  color: var(--text-primary);
  font-weight: 500;
}
.nav-link:hover {
  color: var(--accent-hover);
  text-decoration: none;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Main Container */
.main-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  min-height: calc(100vh - 65px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  transition: background-color 0.15s, border-color 0.15s;
}
.btn:hover {
  background-color: #30363d;
  border-color: #8b949e;
}
.btn-primary {
  background-color: var(--success);
  border-color: rgba(240, 246, 252, 0.1);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--success-hover);
}
.btn-danger {
  background-color: var(--bg-tertiary);
  color: var(--danger-hover);
}
.btn-danger:hover {
  background-color: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-purple {
  background-color: var(--purple);
  color: #fff;
  border: none;
}
.btn-purple:hover {
  opacity: 0.9;
}
.btn-sm {
  padding: 3px 10px;
  font-size: 12px;
}
.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
}
.btn-icon:hover {
  color: var(--text-primary);
  background-color: var(--bg-tertiary);
}

/* Inputs & Forms */
.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-primary);
}
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
}
.form-textarea {
  font-family: var(--font-family);
  min-height: 100px;
  resize: vertical;
}

/* Card & Panels */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  padding: 12px 16px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-body {
  padding: 16px;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
}
.badge-open {
  background-color: rgba(35, 134, 54, 0.15);
  color: #3fb950;
  border-color: rgba(35, 134, 54, 0.4);
}
.badge-closed {
  background-color: rgba(139, 148, 158, 0.15);
  color: #8b949e;
  border-color: rgba(139, 148, 158, 0.4);
}
.badge-merged {
  background-color: rgba(163, 113, 247, 0.15);
  color: var(--purple);
  border-color: rgba(163, 113, 247, 0.4);
}
.badge-private {
  border-color: var(--border-color);
  color: var(--text-secondary);
}
.badge-success {
  background-color: rgba(35, 134, 54, 0.15);
  color: #3fb950;
  border-color: rgba(35, 134, 54, 0.4);
}
.badge-danger {
  background-color: rgba(218, 54, 51, 0.15);
  color: #f85149;
  border-color: rgba(218, 54, 51, 0.4);
}
.badge-running {
  background-color: rgba(210, 153, 34, 0.15);
  color: #e3b341;
  border-color: rgba(210, 153, 34, 0.4);
}
.badge-pending {
  background-color: rgba(110, 118, 129, 0.15);
  color: #8b949e;
  border-color: rgba(110, 118, 129, 0.4);
}

.ci-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none !important;
  margin-left: 6px;
  vertical-align: middle;
}
.ci-badge-success {
  background-color: rgba(35, 134, 54, 0.2);
  color: #3fb950;
  border: 1px solid #238636;
}
.ci-badge-failure {
  background-color: rgba(218, 54, 51, 0.2);
  color: #f85149;
  border: 1px solid #da3633;
}
.ci-badge-running {
  background-color: rgba(210, 153, 34, 0.2);
  color: #e3b341;
  border: 1px solid #d29922;
}
.ci-badge-pending {
  background-color: rgba(110, 118, 129, 0.2);
  color: #8b949e;
  border: 1px solid #6e7681;
}

.ci-log-viewer {
  background-color: #05070a;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 600px;
  overflow-y: auto;
}

/* Repo Header */
.repo-header {
  margin-bottom: 20px;
}
.repo-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}
.repo-title {
  font-size: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.repo-desc {
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.repo-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}
.repo-tab {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.repo-tab:hover {
  color: var(--text-primary);
  text-decoration: none;
}
.repo-tab.active {
  color: var(--text-primary);
  border-bottom-color: #f78166;
}

/* File Tree */
.tree-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 12px;
}
.tree-table {
  width: 100%;
  border-collapse: collapse;
}
.tree-row {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color 0.1s;
}
.tree-row:last-child {
  border-bottom: none;
}
.tree-row:hover {
  background-color: var(--bg-tertiary);
}
.tree-cell {
  padding: 8px 16px;
}
.tree-name {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Blob Viewer */
.blob-viewer {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  background-color: var(--bg-secondary);
}
.blob-header {
  background-color: var(--bg-tertiary);
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.blob-content {
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}
.code-table {
  border-collapse: collapse;
  width: 100%;
}
.line-num {
  width: 45px;
  min-width: 45px;
  text-align: right;
  padding: 0 12px;
  color: var(--text-muted);
  user-select: none;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
}
.line-code {
  padding: 0 16px;
  white-space: pre;
}

/* Blame View */
.blame-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}
.blame-row {
  border-bottom: 1px solid var(--border-subtle);
}
.blame-meta {
  padding: 4px 12px;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  white-space: nowrap;
  width: 320px;
}
.blame-commit {
  color: var(--accent);
  font-weight: 500;
  margin-right: 6px;
}

/* Diff Viewer */
.diff-file {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}
.diff-header {
  background-color: var(--bg-tertiary);
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.diff-content {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
  background-color: var(--bg-secondary);
}
.diff-line {
  padding: 2px 12px;
}
.diff-add {
  background-color: rgba(46, 160, 67, 0.15);
  color: #3fb950;
}
.diff-del {
  background-color: rgba(248, 81, 73, 0.15);
  color: #f85149;
}
.diff-hunk {
  background-color: rgba(56, 139, 253, 0.15);
  color: #58a6ff;
}

/* Markdown container */
.markdown-body {
  padding: 24px;
  color: var(--text-primary);
  line-height: 1.6;
}
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
  margin: 16px 0 12px 0;
}
.markdown-body p, .markdown-body ul, .markdown-body ol {
  margin-bottom: 12px;
}
.markdown-body code {
  background-color: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
}
.markdown-body pre {
  background-color: var(--bg-tertiary);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 16px;
}
.markdown-body pre code {
  background: none;
  padding: 0;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(1, 4, 9, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-overlay.hidden {
  display: none;
}
.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  width: 100%;
  max-width: 520px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}
.modal-header {
  padding: 16px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body {
  padding: 20px;
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.alert-success {
  background-color: rgba(35, 134, 54, 0.15);
  border-color: rgba(35, 134, 54, 0.4);
  color: #3fb950;
}
.alert-warning {
  background-color: rgba(210, 153, 34, 0.15);
  border-color: rgba(210, 153, 34, 0.4);
  color: #d29922;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.text-muted { color: var(--text-secondary); }