:root {
  --bg-main: #0d1117;
  --fg-main: #c9d1d9;
  --card-bg: #161b22;
  --card-border: #30363d;
  --border-main: #21262d;
  --primary-color: #2f81f7;
  --primary-fg: #ffffff;
  --accent-color: #238636;
  --accent-fg: #ffffff;
  --muted-color: #484f58;
  --muted-fg: #8b949e;
  --green-color: #7ce38b;
  --red-color: #f85149;
  --section-bg: #0f141a;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-main);
  color: var(--fg-main);
  min-height: 100vh;
}

.txt-char {
  display: inline;
}

.gh-header {
  border-bottom: 1px solid var(--border-main);
  background-color: var(--bg-main);
}

.gh-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gh-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gh-logo {
  fill: var(--fg-main);
}

.gh-title-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.gh-title-main {
  font-size: 18px;
  font-weight: 500;
  color: var(--fg-main);
  line-height: 1.2;
}

.gh-title-sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--muted-fg);
  line-height: 1;
}

.gh-verified {
  padding: 4px 12px;
  background-color: rgba(35, 134, 54, 0.2);
  border: 1px solid rgba(35, 134, 54, 0.3);
  border-radius: 6px;
}

.gh-verified span {
  font-size: 14px;
  color: var(--accent-color);
  font-weight: 500;
}

.gh-main {
  max-width: 1024px;
  margin: 0 auto;
  padding: 32px 24px;
}

.gh-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gh-dl-section,
.gh-install {
  background-color: var(--section-bg);
  border: 1px solid var(--border-main);
  border-radius: 6px;
  padding: 16px;
}

.gh-section-header {
  margin-bottom: 16px;
}

.gh-section-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--fg-main);
  margin-bottom: 8px;
}

.gh-section-header p {
  color: var(--muted-fg);
  font-size: 14px;
}

.gh-status {
  background-color: rgba(72, 79, 88, 0.2);
  border: 1px solid var(--border-main);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gh-status-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.gh-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.gh-icon.spinner {
  border: 2px solid var(--primary-color);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin-anim 1s linear infinite;
}

.gh-icon.success {
  color: var(--green-color);
}

.gh-icon.error {
  color: var(--red-color);
}

@keyframes spin-anim {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.gh-status-txt {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: var(--primary-color);
}

.gh-status-txt.success {
  color: var(--green-color);
}

.gh-status-txt.error {
  color: var(--red-color);
}

.gh-retry {
  padding: 4px 12px;
  font-size: 14px;
  border: 1px solid var(--border-main);
  border-radius: 4px;
  background-color: transparent;
  color: var(--fg-main);
  cursor: pointer;
  transition: background-color 0.2s;
}

.gh-retry:hover {
  background-color: rgba(72, 79, 88, 0.2);
}

.gh-progress-wrapper {
  margin-top: 12px;
}

.gh-progress-bg {
  width: 100%;
  height: 4px;
  background-color: rgba(72, 79, 88, 0.2);
  border-radius: 2px;
  overflow: hidden;
}

.gh-progress-fill {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 2px;
  transition: width 0.3s ease;
  width: 0%;
}

.gh-progress-txt {
  font-size: 12px;
  color: var(--muted-fg);
  margin-top: 4px;
}

.gh-terminal {
  background-color: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--border-main);
  border-radius: 6px;
  padding: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  margin-top: 12px;
}

.gh-terminal-header {
  color: #7ce38b;
  font-weight: bold;
  margin-bottom: 8px;
  font-size: 12px;
}

.gh-terminal-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 128px;
  overflow-y: auto;
}

.gh-terminal-line {
  color: #7ce38b;
  opacity: 0.9;
}

.gh-cursor-line {
  display: flex;
  color: #7ce38b;
}

.gh-cursor {
  margin-left: 4px;
  animation: blink-anim 1s infinite;
}

@keyframes blink-anim {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.gh-video {
  background-color: rgba(72, 79, 88, 0.3);
  border-radius: 6px;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.gh-steps h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--fg-main);
  margin-bottom: 16px;
}

.gh-steps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gh-step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.gh-step-num {
  width: 20px;
  height: 20px;
  background-color: var(--primary-color);
  color: var(--primary-fg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 500;
  flex-shrink: 0;
}

.gh-step-txt {
  color: var(--fg-main);
}

.gh-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border-main);
  background-color: var(--bg-main);
  padding: 24px 0;
}

.gh-footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.gh-footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gh-footer-logo {
  fill: var(--muted-fg);
}

.gh-copyright {
  font-size: 12px;
  color: var(--muted-fg);
}

.gh-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.gh-footer-link {
  font-size: 12px;
  color: var(--muted-fg);
  text-decoration: none;
  transition: color 0.2s ease;
}

.gh-footer-link:hover {
  color: var(--fg-main);
}

.gh-hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .gh-main {
    padding: 16px;
  }
  
  .gh-card {
    padding: 16px;
    gap: 16px;
  }
  
  .gh-container {
    padding: 8px 16px;
  }
  
  .gh-video {
    height: 240px;
  }
  
  .gh-footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .gh-footer-links {
    gap: 16px;
  }
}