/**
 * RDG Course Management Admin Screen Stylesheet
 *
 * Purpose: Styling for the RDG Course Management admin interface
 * Includes: Add form, courses table, action buttons, edit modal
 *
 * @package VantageIt
 * @since 2026-07-01
 */

/* ===========================================================================================
   MAIN CONTAINER
   =========================================================================================== */
.rdg-cm-container {
  padding: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  position: relative;
  width: 100%;
  box-sizing: border-box;
  /* Ensure the container stretches to fit all content — prevents table sliding under footer */
  overflow: visible;
  clear: both;
}

/* ===========================================================================================
   BREADCRUMBS
   =========================================================================================== */
.rdg-breadcrumbs {
  padding: 12px 0;
  margin-bottom: 20px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.rdg-breadcrumb-link {
  color: #007bff;
  text-decoration: none;
  font-weight: 500;
}
.rdg-breadcrumb-link:hover {
  color: #0056b3;
  text-decoration: underline;
}
.rdg-breadcrumb-separator {
  color: #a0aec0;
}
.rdg-breadcrumb-current {
  color: #718096;
}

/* ===========================================================================================
   HEADER
   =========================================================================================== */
.rdg-cm-header {
  margin: 25px 0 15px 0;
}
.rdg-cm-header h2 {
  margin: 0;
  font-size: 24px;
  color: #1a202c;
  font-weight: 600;
}
.rdg-cm-header h3 {
  margin: 0;
  font-size: 18px;
  color: #1a202c;
  font-weight: 600;
}

/* ===========================================================================================
   FORM (Add + Edit share these classes)
   =========================================================================================== */
.rdg-cm-form {
  max-width: 640px;
}
.rdg-cm-form-group {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}
.rdg-cm-form-group label {
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 14px;
  color: #2d3748;
}
.rdg-cm-form-input {
  padding: 10px 12px !important;
  border: 1px solid #c2cbd8 !important;
  border-radius: 6px !important;
  font-size: 14px !important;
  background-color: #ffffff !important;
  color: #2d3748 !important;
  width: 100% !important;
  box-sizing: border-box !important;
  transition: all 0.2s ease !important;
}
.rdg-cm-form-input:focus {
  outline: none !important;
  border-color: #3182ce !important;
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1) !important;
}
textarea.rdg-cm-form-input {
  resize: vertical;
  min-height: 90px;
}

/* Two-column layout for the Add form (Client | Purpose, Course Name | Summary) */
.rdg-cm-form-grid {
  max-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  align-items: start;
}
.rdg-cm-form-grid .rdg-alert-error,
.rdg-cm-form-grid .rdg-cm-btn-submit {
  grid-column: 1 / -1;
}
.rdg-cm-form-grid .rdg-cm-btn-submit {
  justify-self: end;
  margin-top: 8px;
}

/* Filter bar above the Existing Courses table */
.rdg-cm-filter-bar {
  margin-bottom: 16px;
}
.rdg-cm-filter-select {
  max-width: 320px;
}

/* ===========================================================================================
   TABLE
   =========================================================================================== */
.rdg-cm-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 40px;
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  width: 100%;
  box-sizing: border-box;
}
.rdg-cm-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
}
.rdg-cm-table thead {
  background-color: #5b5b5b;
  border-bottom: 2px solid #e2e8f0;
}
.rdg-cm-table thead th {
  padding: 15px;
  text-align: left;
  font-weight: bold;
  color: #ffffff;
  font-size: 13px;
  letter-spacing: 0.5px;
}
.rdg-cm-table tbody td {
  padding: 15px;
  border-bottom: 1px solid #e2e8f0;
  font-size: 14px;
  color: #2d3748;
}
.rdg-cm-table tbody tr:hover {
  background-color: #e9ecef;
}
.rdg-cm-table tbody tr:last-child td {
  border-bottom: none;
}
.rdg-cm-no-results {
  text-align: center;
  padding: 40px !important;
  color: #a0aec0;
}

/* ===========================================================================================
   ACTION BUTTONS (edit / delete)
   =========================================================================================== */
.rdg-cm-btn-edit,
.rdg-cm-btn-delete {
  background: none !important;
  border: none !important;
  cursor: pointer !important;
  font-size: 16px !important;
  color: #718096 !important;
  padding: 5px !important;
  margin: 0 3px !important;
  transition: color 0.2s ease !important;
  line-height: 1 !important;
}
.rdg-cm-btn-edit:hover {
  color: #3182ce !important;
}
.rdg-cm-btn-delete:hover {
  color: #e53e3e !important;
}

/* ===========================================================================================
   SUBMIT / CANCEL BUTTONS
   =========================================================================================== */
.rdg-cm-btn-submit,
.rdg-cm-btn-cancel {
  padding: 10px 16px !important;
  font-size: 14px !important;
  font-weight: 500 !important;
  border: none !important;
  border-radius: 6px !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  min-width: 100px !important;
}
.rdg-cm-btn-submit {
  background-color: #007bff !important;
  color: #ffffff !important;
}
.rdg-cm-btn-submit:hover {
  background-color: #0056b3 !important;
}
.rdg-cm-btn-cancel {
  background-color: #e2e8f0 !important;
  color: #2d3748 !important;
}
.rdg-cm-btn-cancel:hover {
  background-color: #cbd5e0 !important;
}

/* ===========================================================================================
   ALERT MESSAGES
   =========================================================================================== */
.rdg-alert-error {
  background-color: #fed7d7;
  color: #742a2a;
  padding: 12px;
  border-radius: 4px;
  border-left: 4px solid #f56565;
}
.rdg-alert-warning {
  background-color: #feebc8;
  color: #7c2d12;
  padding: 12px;
  border-radius: 4px;
  border-left: 4px solid #ed8936;
  margin: 20px 0;
}

/* ===========================================================================================
   MODAL (edit) - shown by toggling .rdg-cm-modal-open (set in rdg-course-management.js)
   =========================================================================================== */
.rdg-cm-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
}
.rdg-cm-modal-overlay.rdg-cm-modal-open {
  display: block;
}
.rdg-cm-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
  width: 90%;
  max-width: 520px;
}
.rdg-cm-modal.rdg-cm-modal-open {
  display: block;
}
.rdg-cm-modal-content {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow-y: auto;
}
.rdg-cm-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #f7fafc;
  border-radius: 12px 12px 0 0;
}
.rdg-cm-modal-header h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: #1a202c;
}
.rdg-cm-modal-close {
  background: none !important;
  border: none !important;
  font-size: 28px !important;
  cursor: pointer !important;
  color: #718096 !important;
  padding: 0 !important;
  line-height: 1 !important;
}
.rdg-cm-modal-close:hover {
  color: #2d3748 !important;
}
.rdg-cm-modal .rdg-cm-form {
  padding: 24px;
  max-width: none;
}
.rdg-cm-modal-footer {
  padding: 16px 24px;
  border-top: 1px solid #e2e8f0;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  background-color: #f7fafc;
  border-radius: 0 0 12px 12px;
}

/* ===========================================================================================
   RESPONSIVE
   =========================================================================================== */
@media (max-width: 768px) {
  .rdg-cm-container {
    padding: 15px;
  }
  .rdg-cm-form {
    max-width: 100%;
  }
  .rdg-cm-form-grid {
    grid-template-columns: 1fr;
  }
  /* Responsive table: hide header, show each cell as a labelled row */
  .rdg-cm-table thead {
    display: none;
  }
  .rdg-cm-table tbody tr {
    display: block;
    margin-bottom: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 6px 10px;
  }
  .rdg-cm-table tbody td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 4px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 13px;
  }
  .rdg-cm-table tbody td:last-child {
    border-bottom: none;
  }
  .rdg-cm-table tbody td::before {
    content: attr(data-label);
    font-weight: 600;
    color: #718096;
    font-size: 12px;
    margin-right: 10px;
    white-space: nowrap;
  }
  .rdg-cm-modal-footer {
    flex-direction: column-reverse;
  }
  .rdg-cm-btn-submit,
  .rdg-cm-btn-cancel {
    width: 100% !important;
  }
}