* {
    font-family: 'Segoe UI', Verdana;
    margin: 0;
    padding: 0;
  }
  
  body {
    margin: 0;
  }
  
  section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    width: 100%;
  
    background: url('back.jpg');
    background-position: center;
    background-size: cover;
    padding-top: 20px;
  }
  
  h1 {
    font-size: 3em;
    color: #393e3d;
    text-align: center;
    white-space: nowrap;
    margin: 50px 40px;
    top: -150px;
  }
  
  .container {
    position: relative;
    width: 600px;
    height: auto;
    background: rgba(226, 203,155, 0.4);
    backdrop-filter: blur(2px);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 20px;
  }
  
  form {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
    width: 100%;
  }
  
  .input-group {
    margin-bottom: 15px;
    width: 100%;
  }
  
  .input-row {
    display: flex;
    justify-content: space-between;
    gap: 50px;
  }
  
  label {
    margin: 5px 0;
    font-size: 1.1em;
    color: #393e3d;
    font-weight: 600;
  }
  
  input {
    padding: 8px;
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
    border-radius: 20px;
  }
  
  .long-input {
    width: 100%;
    border-radius: 20px;
  }
  
  button {
    padding: 7px;
    margin-top: 20px;
    background: #8aa6a9;
    border: none;
    border-radius: 20px;
    outline: none;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    color: #393e3d;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .compute-button {
    margin-top: 20px;
    width: 100%;
    max-width: 300px;
  }
  
  button:hover {
    background-color: #c6d2d0;
    transform: scale(1);
    box-shadow: 0 4px 4px #76726e;
  }
  
  button:active {
    transform: scale(0.97);
    box-shadow: 0 2px 4px #76726e;
  }
  
  .summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #f4f4f4;
    color: #020700;
  }
  
  .summary-table th, .summary-table td {
    border: 1px solid #393e3d;
    padding: 8px;
    text-align: center;
  }
  
  .summary-table th {
    background-color: #c1a586;
  }
  
  .summary-table tfoot {
    font-weight: bold;
    background-color: #c1a586;
  }
  
  .gantt-chart-label {
    font-weight: bold;
    margin-top: 20px;
    color: #020700;
  }
  
  .gantt-chart {
    display: flex;
    margin-top: 10px;
    height: 40px;
    border: 1px solid #393e3d;
    border-collapse: collapse;
  }
  
  .gantt-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #393e3d;
    border-right: 1px solid #ddd;
    box-sizing: border-box;
    position: relative;
  }
  
  .gantt-bar:last-child {
    border-right: none;
  }
  
  .gantt-label {
    position: absolute;
    top: 10px;
    white-space: nowrap;
    color: #393e3d;
  }
  
  .time-labels {
    display: flex;
    margin-top: 5px;
    width: 100%;
    position: relative;
    color: #393e3d;
  }
  
  .time-labels span {
    position: absolute;
    transform: translateX(-50%);
    color: #393e3d;
  }