/* GLOBAL LAYOUT + COLORS */
body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #f7f9fc;
  color: #111;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background: #0b70ff;
  color: white;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  display: flex;
  flex-direction: column;
  padding: 20px;
}

.sidebar .logo {
  text-align: center;
  margin-bottom: 30px;
}

.sidebar .logo img {
  width: 140px;
}

.sidebar a {
  padding: 12px 10px;
  display: block;
  text-decoration: none;
  color: white;
  font-weight: 500;
  margin-bottom: 8px;
  border-radius: 8px;
}

.sidebar a:hover {
  background: rgba(255,255,255,0.2);
}

/* Right-side content */
.content {
  margin-left: 260px;
  padding: 20px;
}

h1 {
  font-size: 24px;
}

/* Mobile viewport lock */
html, body {
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  touch-action: pan-x pan-y;
}
@media (max-width: 900px) {
  html, body { width: 100vw; min-width: 0; max-width: 100vw; }
}