body {
  background-image: url("../assets/Background.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  height: 100vh;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

header {
  color: white;
  padding: 50px;
  position: relative;
}

.header-inline h1 {
  margin: 0;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.back-link {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  text-decoration: none;
  background-color: #ffffff;
  color: #003366;
  padding: 8px 16px;
  border-radius: 4px;
  font-weight: bold;
  margin-top: 10px;
}

.back-link:hover {
  background-color: #cce0ff;
}

main {
  margin: 30px;
  padding: 30px;
  border-radius: 12px;
  background-color: #ffffff;
}

.task-list {
  width: 600px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

.task {
  border-bottom: 1px solid #ccc;
  padding: 10px 0;
  cursor: pointer;
}

.task:last-child {
  border-bottom: none;
}

.task h3 {
  margin: 0;
  font-weight: normal;
  font-size: 1.1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #003366;
}

.task-details {
  display: none;
  padding-top: 8px;
  font-size: 0.9em;
  color: #555;
  line-height: 1.4;
}

.task.active .task-details {
  display: block;
}

.toggle-icon {
  font-weight: bold;
  font-size: 1.2em;
  user-select: none;
  transition: transform 0.3s ease;
}

.task.active .toggle-icon {
  transform: rotate(90deg);
}

.contract-container {
  display: flex;
  gap: 32px;
}

.contract-documents {
  flex: 1;
  background: #f8faff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
  padding: 18px;
  min-width: 220px;
}

.contract-documents h3 {
  color: #003366;
  margin-top: 0;
}

.contract-documents ul {
  list-style: none;
  padding: 0;
  font-size: 0.97em;
}

.contract-documents li {
  margin-top: 12px;
}

.contract-documents a {
  color: #0055aa;
}

button {
  background: #003366;
  color: white;
  padding: 8px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background: #0055aa;
}

.success-msg {
  margin-top: 12px;
  color: green;
  display: none;
}

.gantt-chart img {
  width: 100%;
  max-width: 600px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
}

.gantt-chart h4 {
  color: #003366;
}

.caption {
  font-size: 0.95em;
  color: #555;
}