:root {
  --bg: #0f1419;
  --bg-card: #1a1f2e;
  --bg-card-hover: #232a3d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent2: #3fb950;
  --accent3: #d29922;
  --border: #30363d;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 960px; margin: 0 auto; padding: 40px 20px; }

.panel-header {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.panel-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
}
.panel-header h1 { font-size: 28px; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.panel-header .subtitle { color: var(--text-muted); font-size: 15px; }

.badge { display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; }
.badge-green { background: rgba(63,185,80,0.15); color: var(--accent2); border: 1px solid rgba(63,185,80,0.3); }
.badge-blue { background: rgba(88,166,255,0.15); color: var(--accent); border: 1px solid rgba(88,166,255,0.3); }
.badge-yellow { background: rgba(210,153,34,0.15); color: var(--accent3); border: 1px solid rgba(210,153,34,0.3); }

.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; transition: background 0.2s; }
.stat-card:hover { background: var(--bg-card-hover); }
.stat-card .label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.stat-card .value { font-size: 24px; font-weight: 700; color: var(--accent); }
.stat-card .value.green { color: var(--accent2); }
.stat-card .value.yellow { color: var(--accent3); }

.timeline { position: relative; padding-left: 32px; margin-bottom: 32px; }
.timeline::before { content: ''; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: var(--border); }
.tl-item { position: relative; margin-bottom: 28px; }
.tl-item:last-child { margin-bottom: 0; }
.tl-dot { position: absolute; left: -32px; top: 4px; width: 24px; height: 24px; border-radius: 50%; background: var(--bg-card); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 11px; }
.tl-dot.green { border-color: var(--accent2); }
.tl-dot.yellow { border-color: var(--accent3); }
.tl-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 18px 22px; }
.tl-content h3 { font-size: 16px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tl-content p { color: var(--text-muted); font-size: 14px; }
.tl-content .date { font-size: 12px; color: var(--accent); font-weight: 600; margin-bottom: 4px; }

.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-bottom: 32px; }
.feature-card { display: block; background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 22px; transition: border-color 0.2s, background 0.2s, transform 0.1s; color: var(--text); text-decoration: none; position: relative; }
.feature-card:hover { border-color: var(--accent); background: var(--bg-card-hover); text-decoration: none; transform: translateY(-2px); }
.feature-card .icon { font-size: 28px; margin-bottom: 10px; }
.feature-card h4 { font-size: 15px; margin-bottom: 6px; color: var(--text); }
.feature-card p { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.feature-card .more { font-size: 13px; color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.feature-card:hover .more { text-decoration: underline; }

.feature-hero { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; margin-bottom: 28px; position: relative; overflow: hidden; }
.feature-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.feature-hero .icon-big { font-size: 42px; margin-bottom: 12px; }
.feature-hero h1 { font-size: 26px; margin-bottom: 8px; }
.feature-hero .lead { color: var(--text-muted); font-size: 15px; }

.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.back-link:hover { color: var(--accent); }

.content-block { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 22px 26px; margin-bottom: 20px; }
.content-block h2 { font-size: 19px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.content-block h3 { font-size: 16px; margin: 18px 0 8px; color: var(--accent); }
.content-block h4 { font-size: 14px; margin: 14px 0 6px; color: var(--text); }
.content-block p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.content-block ul, .content-block ol { margin: 8px 0 12px 22px; font-size: 14px; color: var(--text-muted); }
.content-block li { margin-bottom: 6px; }
.content-block code { background: rgba(88,166,255,0.1); color: var(--accent); padding: 2px 6px; border-radius: 4px; font-size: 13px; font-family: 'SFMono-Regular', Consolas, monospace; }
.content-block pre { background: #0d1117; border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; overflow-x: auto; margin: 12px 0; font-size: 13px; font-family: 'SFMono-Regular', Consolas, monospace; color: #c9d1d9; line-height: 1.5; }
.content-block pre code { background: none; color: inherit; padding: 0; }

.disclaimer { background: rgba(210,153,34,0.08); border: 1px solid rgba(210,153,34,0.3); border-radius: 10px; padding: 22px 26px; margin-bottom: 32px; }
.disclaimer h3 { color: var(--accent3); font-size: 16px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.disclaimer p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.disclaimer p:last-child { margin-bottom: 0; }
.disclaimer strong { color: var(--text); }

.note { border-left: 3px solid var(--accent); padding: 12px 18px; margin: 16px 0; background: rgba(88,166,255,0.05); border-radius: 0 8px 8px 0; font-size: 14px; color: var(--text-muted); }
.note strong { color: var(--accent); }

.footer { text-align: center; color: var(--text-muted); font-size: 12px; padding-top: 24px; border-top: 1px solid var(--border); }

h2.section { font-size: 20px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }

@media (max-width: 600px) {
  .container { padding: 20px 12px; }
  .panel-header, .feature-hero { padding: 20px; }
  .panel-header h1, .feature-hero h1 { font-size: 22px; }
}