body {
  font-family: "Noto Sans Devanagari", sans-serif;
  margin: 0;
  background: #f4f9f6;
  color: #222;
}

header {
  background: linear-gradient(90deg, #FF9933, #FFFFFF, #138808);
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  position: relative;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
header h1 {
  margin: 0;
  font-size: 1.6rem;
  flex: 1;
  text-align: center;
}
.menu-btn {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  user-select: none;
}
nav.main-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}
nav.main-nav a {
  text-decoration: none;
  color: black;
  padding: 5px 10px;
  font-weight: bold;
  border-radius: 5px;
  transition: 0.3s;
}
nav.main-nav a.active {
  border-bottom: 2px solid black;
}
@media(max-width:900px){
  .menu-btn { display: block; }
  nav.main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 10px;
  }
  nav.main-nav.show { display: flex; }
  nav.main-nav a { width: 100%; text-align: left; }
}

.selector {
  margin: 15px auto;
  text-align: center;
}
.selector select {
  padding: 6px 10px;
  border-radius: 5px;
  margin: 0 5px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

.dashboard-section {
  margin: 20px auto;
  max-width: 1200px;
}
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}
.card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s, box-shadow 0.3s;
  flex: 1 1 280px;      /* flexible width */
  max-width: 380px;
  width: 100%;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}
.card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  text-align: center;
}

/* Canvas responsive */
.circle-card canvas,
.bar-card canvas,
.line-card canvas {
  width: 100% !important;
  height: 200px !important;  /* chart height */
}

.chart-section {
  width: 95%;
  max-width: 1200px;
  margin: 20px auto;
}
.chart-container {
  background: #fff;
  padding: 15px;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.chart-container h3 {
  text-align: center;
  margin-bottom: 12px;
  font-size: 1.15rem;
}

.top-achievements {
  width: 90%;
  max-width: 800px;
  margin: 30px auto;
}
.top-achievements h3 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 1.2rem;
}
.top-achievements ul { list-style: none; padding: 0; }
.top-achievements li {
  background: #f7fff9;
  margin: 5px 0;
  padding: 10px 12px;
  border-left: 6px solid #007b3a;
  border-radius: 6px;
  font-size: 1rem;
  transition: background 0.3s;
}
.top-achievements li:hover { background: #e0f7e6; }

footer {
  text-align: center;
  padding: 15px;
  background: #e6f2ea;
  color: #555;
  margin-top: 20px;
  font-size: 0.95rem;
}