/* ==============================
  ANNA CGPA Calculator Specific Styles Start
  ============================== */
  :root {
    --anna-calc-accent: #4361ee;
    --anna-calc-accent-deep: #3a56d4;
    --anna-calc-accent-light: #e6f0ff;
    --anna-calc-text: #2b2d42;
    --anna-calc-bg: #f8f9fa;
    --anna-calc-white: #ffffff;
    --anna-calc-border: #e0e3e7;
    --anna-calc-danger: #e74c3c;
    --anna-calc-success: #2ecc71;
    --anna-calc-radius: 3px;
    --anna-calc-spacing: 1.5rem;
    --anna-calc-gap: 0.65rem;
  }
  *{
    box-sizing: border-box;
  }
  /*==============================
     Regulation row
    ============================== */
  .anna-calc-regulation-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--anna-calc-gap);
    margin-bottom: var(--anna-calc-spacing);
  }
  .anna-calc-label {
    font-weight: 600;
  }
  
  /*==============================
    Semesters container
    ============================== */
  .anna-calc-semester {
    margin-bottom: var(--anna-calc-spacing);
    padding: var(--anna-calc-gap);
    border: 1px solid var(--anna-calc-border);
    border-radius: var(--anna-calc-radius);
    background-color: var(--anna-calc-accent-light);
  }
  .anna-calc-semester-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--anna-calc-gap);
    border-bottom: 1px dashed var(--anna-calc-accent) !important;
    padding-bottom: 0.5rem;
  }
  .anna-calc-semester-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--anna-calc-accent-deep) !important;
  }

  .anna-calc-remove-semester-btn{
    border: 2px solid var(--anna-calc-danger) !important;
    border-radius: 50% !important;
    background-color: var(--anna-calc-white);
    color: var(--anna-calc-danger) !important;
    font-size: 1.2rem !important;
    height: 40px;
    width: 40px;
    cursor: pointer;
  }

  .anna-calc-remove-semester-btn:hover{
    transform: translateY(-2px);
  }
  
  /*==============================
    Responsive subject table container
    ============================== */
  .anna-calc-subject-table-container {
    overflow-x: auto;
    margin-bottom: 1rem;
  }
  
  .anna-calc-subject-table {
    width: 100%;
    border-collapse: collapse;
  }
  
  /* Mobile-first responsive approach */
  @media (max-width: 768px) {
    .anna-calc-subject-table {
      min-width: unset;
      display: block;
    }
    .anna-calc-subject-table thead {
      display: none;
    }
    .anna-calc-subject-table tbody,
    .anna-calc-subject-table tr {
      display: block;
      width: 100%;
    }
    .anna-calc-subject-table tr {
      margin-bottom: 1rem;
      background-color: var(--anna-calc-white) !important;
      padding: 0.75rem;
    }
    .anna-calc-subject-table td {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.5rem 0;
      border: none;
      border-bottom: 1px solid var(--anna-calc-border) !important;
      text-align: right;
    }
    .anna-calc-subject-table td:before {
      content: attr(data-label);
      font-weight: 600;
      text-align: left;
      color: var(--anna-calc-accent-deep) !important;
      flex: 0 0 120px;
    }
    .anna-calc-subject-table td:last-child {
      border-bottom: none;
      justify-content: flex-end;
      padding-top: 0.75rem;
    }
    .anna-calc-subject-table td:last-child:before {
      display: none;
    }
    .anna-calc-subject-table input[type="number"],
    .anna-calc-subject-table input[type="text"],
    .anna-calc-subject-table select {
      flex: 1;
      max-width: 200px;
    }
  }
  
  /*==============================
    Tablet improvements
    ============================== */
  @media (min-width: 769px) and (max-width: 1024px) {
    .anna-calc-subject-table th,
    .anna-calc-subject-table td {
      padding: 0.5rem;
      font-size: 0.9rem;
    }
  }
  .anna-calc-subject-table th,
  .anna-calc-subject-table td {
    padding: 0.25rem;
    text-align: left;
    vertical-align: middle;
  }
  .anna-calc-remove-subject {
    background-color: var(--anna-calc-danger) !important;
    color: var(--anna-calc-white) !important;
    border: none;
    border-radius: var(--anna-calc-radius);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    height: 45px !important;
    width: fit-content !important;
    transition: transform 0.2s ease;
    font-size: 1.1rem;
  }
  .anna-calc-remove-subject:hover {
    transform: translateY(-2px);
  }
  
  /* ==============================
     Result Section - Modern & Responsive
     ============================== */
  .anna-calc-result-section {
    margin-top: var(--anna-calc-spacing);
    border-top: 1px solid var(--anna-calc-border);
    padding-top: var(--anna-calc-spacing);
  }
  .anna-calc-result-title {
    margin-bottom: var(--anna-calc-gap);
    color: var(--anna-calc-accent-deep);
  }
  .anna-calc-result-table-container {
    overflow-x: auto;
    width: 100%;
  }
  .anna-calc-result-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--anna-calc-gap);
  }
  .anna-calc-result-table th,
  .anna-calc-result-table td {
    padding: 0.5rem;
    border: 1px solid var(--anna-calc-border);
  }
  .anna-calc-result-table th {
    background-color: var(--anna-calc-accent);
    color: var(--anna-calc-white);
    text-align: left;
  }
  .anna-calc-result-table tr:nth-child(even) td {
    background-color: var(--anna-calc-accent-light);
  }
  .anna-calc-result-table tr:nth-child(odd) td {
    background-color: var(--anna-calc-white);
  }
  
  /*==============================
    Action buttons grouping
    ============================== */
  .anna-calc-actions {
    display: flex;
    gap: var(--anna-calc-gap);
  }
  .anna-calc-action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--anna-calc-gap);
    margin-top: var(--anna-calc-spacing);
  }
  
  /*==============================
    Responsive design
    ============================== */
  @media (max-width: 768px) {
    .anna-calc-container {
      padding: 1rem;
    }
    .anna-calc-regulation-row {
      flex-direction: column;
      align-items: flex-start;
    }
  }
  @media (max-width: 400px) {
    .anna-calc-semester-header {
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
    }
  }
  @media (max-width: 380px) {
    .anna-calc-action-buttons,
    .anna-calc-actions {
      flex-direction: column;
      gap: var(--anna-calc-gap);
    }
    .anna-calc-button {
      width: 100% !important;
    }
  }
  /* ==============================
    ANNA CGPA Calculator Specific Styles End
    ============================== */