* { box-sizing: border-box; }
body {
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: #f4f5f7;
  margin: 0;
  color: #222;
}
.topbar {
  background: #1a1a2e;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}
.topbar h2 { margin: 0; font-size: 18px; }
.logout-btn {
  background: #e94560;
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 6px;
}
.container {
  max-width: 700px;
  margin: 24px auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.card {
  background: white;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.card h3 { margin-top: 0; }
.big-number {
  font-size: 40px;
  font-weight: bold;
  color: #1a1a2e;
  margin: 0;
}
.hint { color: #666; font-size: 13px; }
label {
  display: block;
  margin-top: 12px;
  margin-bottom: 4px;
  font-weight: 600;
  font-size: 14px;
}
input[type="text"], input[type="password"], textarea, input[type="file"], select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
}
textarea { min-height: 80px; }
button {
  margin-top: 14px;
  background: #0f3460;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
button:hover { opacity: 0.9; }
.login-box {
  max-width: 320px;
  margin: 120px auto;
  background: white;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.1);
  text-align: center;
}
.login-box input { margin-bottom: 10px; }
.log-entry {
  border-bottom: 1px solid #eee;
  padding: 10px 0;
  font-size: 13px;
}