* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #071b13;
  color: #ffffff;
}

.topbar {
  background: linear-gradient(90deg, #003d25, #07994f);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  position: sticky;
  top: 0;
  z-index: 99;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
}

nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  background: rgba(255,255,255,0.12);
  padding: 8px 10px;
  border-radius: 8px;
}

.logout-btn,
.btn {
  background: #f7c948;
  border: 0;
  color: #111;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
}

.container {
  padding: 20px;
  max-width: 1100px;
  margin: auto;
}

.card {
  background: #0d2b1f;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.25);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

input,
select {
  width: 100%;
  padding: 13px;
  margin: 8px 0 14px;
  border-radius: 10px;
  border: 1px solid #1c6b49;
  background: #06170f;
  color: white;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #0d2b1f;
}

th, td {
  padding: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: left;
}

.notice {
  padding: 12px;
  background: #113c2a;
  border-radius: 10px;
  margin-bottom: 15px;
}

.footer {
  text-align: center;
  padding: 20px;
  color: #ccc;
}

@media(max-width: 768px) {
  .topbar {
    flex-direction: column;
    gap: 10px;
  }

  nav {
    justify-content: center;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}