/* ===== Variables ===== */
:root{
  color-scheme: dark;
  --bg: #0f1115;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --line: #2a3244;
  --btn: #232a3b;
  --btn2: #2f3953;
  --focus: #4c7dff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial;
}

/* ===== Resets ===== */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(900px 500px at 10% 0%, #1a2240 0%, var(--bg) 40%),
              radial-gradient(700px 400px at 90% 10%, #2a1a3d 0%, var(--bg) 45%),
              var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { margin: 0; font-size: 22px; }
h2 { margin: 0 0 12px; font-size: 18px; color: #d7dcff; }

/* ===== Utilities ===== */
.muted { color: var(--muted); }
.mono, code, pre { font-family: var(--mono); }
.right{ text-align: right; }
.small{ font-size: 12px; text-align: center; margin-top: 12px; }
.stack{ width: 100%; display: grid; gap: 16px; }
.center{ width: 100%; display: flex; justify-content: center; align-items: flex-start; padding-top: 40px; }
.grid2{
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 16px;
  align-items: stretch;
}

/* ===== App layout ===== */
.app{
  min-height: 100vh;
  display: flex;
}

.sidebar{
  width: 240px;
  flex: 0 0 240px;
  border-right: 1px solid var(--line);
  background: rgba(10, 12, 17, 0.75);
  backdrop-filter: blur(10px);
  padding: 14px 12px;
}

.brand{
  font-weight: 800;
  letter-spacing: 0.2px;
  margin: 2px 6px 10px;
}

.nav{
  display: grid;
  gap: 8px;
  padding: 6px;
}

.navlink{
  padding: 10px 10px;
  border: 1px solid rgba(42,50,68,0.55);
  border-radius: 12px;
  background: rgba(255,255,255,0.02);
}
.navlink:hover{ text-decoration: none; filter: brightness(1.08); }
.navlink.active{ background: rgba(255,255,255,0.07); border-color: rgba(76,125,255,0.35); }
.navsep{ height: 1px; background: var(--line); margin: 6px 0; }

.main{
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.top{
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 12, 17, 0.55);
  backdrop-filter: blur(10px);
  z-index: 10;
}

.top_who{ display: flex; align-items: center; gap: 10px; }

.pill{
  border: 1px solid rgba(42,50,68,0.75);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  color: #cfd6ff;
  background: rgba(255,255,255,0.02);
}

.btnlink{
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(42,50,68,0.75);
  background: rgba(255,255,255,0.02);
  font-weight: 700;
}
.btnlink:hover{ text-decoration: none; filter: brightness(1.08); }

.content{
  flex: 1 1 auto;
  padding: 16px;
  min-width: 0;
  display: flex;
}
.inner{ width: 100%; display: grid; gap: 16px; align-content: start; }

.footer{
  border-top: 1px solid var(--line);
  padding: 12px 16px;
  text-align: center;
}

/* ===== Responsive layout ===== */
@media (max-width: 920px){
  .app{ flex-direction: column; }
  .sidebar{
    width: 100%;
    flex: 0 0 auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .nav{ grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
  .grid2{ grid-template-columns: 1fr; }
  .content{ padding: 12px; }
}