/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* BODY */
body {
  font-family: 'Poppins', sans-serif;
  background: #0f172a;
  color: white;
}

/* LAYOUT */
.dashboard {
  display: flex;
  min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
  width: 220px;
  background: linear-gradient(180deg, #020617, #1e293b);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.sidebar .logo {
  margin-bottom: 30px;
  color: #38bdf8;
}

.sidebar a {
  text-decoration: none;
  color: #cbd5f5;
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 8px;
  transition: 0.3s;
}

.sidebar a:hover {
  background: #38bdf8;
  color: black;
}

/* MAIN */
.main {
  flex: 1;
  padding: 20px;
}

/* HEADER */
.header {
  margin-bottom: 20px;
}

/* CARDS */
.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  flex: 1;
  min-width: 200px;
  padding: 20px;
  border-radius: 15px;
  background: linear-gradient(135deg, #1e293b, #334155);
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
  transition: 0.3s;
}
.card a {
  color: #38bdf8;
  text-decoration: none;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-bottom: 10px;
  color: #94a3b8;
}

.card p {
  font-size: 28px;
  font-weight: bold;
  color: #38bdf8;
}
#courseCountDisplay {
  color: #38bdf8;
  width: 100%;
}
/* SEARCH BOX */
.search-box {
  padding: 10px;
  width: 100%;
  max-width: 300px;
  margin-bottom: 20px;
  border-radius: 8px;
  border: none;
}

/* CARD GRID */
.card-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  width: fit-content;
}

/* TRAINER CARD */
.trainerCard {
  background: linear-gradient(135deg, #1e293b, #334155);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
  transition: 0.3s;
}

.trainerCard:hover {
  transform: translateY(-5px);
}

/* TEXT */
.trainerCard h2 {
  font-size: 16px;
  margin-bottom: 5px;
}

.trainerCard h4 {
  font-size: 13px;
  color: #94a3b8;
}

/* LINK */
.trainerCard a {
  color: #38bdf8;
  text-decoration: none;
}

/* BUTTONS */
.trainerCard button {
  
  margin-top: 10px;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* APPROVE / REJECT */
.approve {
  background: green;
  color: white;
}

.reject {
  background: red;
  color: white;
}
.profile {
  background: #38bdf8;
  color: black;
}
.delete {
  background: red;
  color: white;
}

.btn-group {
  display: flex;
  width: fit-content;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}
/* STATUS BADGE */
.status {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 20px;
  margin-top: 10px;
  font-size: 12px;
}

.pending {
  background: orange;
}

.approved {
  background: green;
}

.rejected {
  background: red;
}

/* PAGINATION */
.pagination {
  margin-top: 20px;
  text-align: center;
}

.pagination button {
  margin: 5px;
  padding: 5px 10px;
  border: none;
  background: #38bdf8;
  cursor: pointer;
}

/* STUDENT CARD */
.stdCard {
  background: linear-gradient(135deg, #1e293b, #334155);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
  transition: 0.3s;
}

.stdCard:hover {
  transform: translateY(-5px);
}

.stdCard h2 {
  font-size: 16px;
}

.stdCard h4 {
  font-size: 13px;
  color: #94a3b8;
}

.stdCard a {
  color: #38bdf8;
  text-decoration: none;
}

/* BUTTONS */
.stdCard button {
  margin-top: 10px;
  padding: 6px 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.edit {
  background: #38bdf8;
  color: black;
}

.delete {
  background: red;
  color: white;
}
/* sidebar logo */
.sidebar-logo {
  margin-bottom: 30px;
  color: #38bdf8;
  font-size: 24px;
  font-weight: 700;
}

/* form panel */
.form-panel {
  background: linear-gradient(135deg, #1e293b, #334155);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.35);
  margin-bottom: 24px;
}

.form-panel h2 {
  margin-bottom: 16px;
  color: #e2e8f0;
}

.course-form {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.course-form input {
  padding: 12px;
  border: 1px solid #475569;
  border-radius: 10px;
  background: #0f172a;
  color: #fff;
  outline: none;
}

.course-form input::placeholder {
  color: #94a3b8;
}

.course-form input:focus {
  border-color: #38bdf8;
}

.primary-btn {
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  color: #000;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s ease;
}

.primary-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #22d3ee, #38bdf8);
}
.secondary-btn {
  display: none;
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  background: #475569;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s ease;
}
.secondary-btn:hover {
  background: #64748b;
  transform: translateY(-2px);
}

/* table */
.table-container {
  background: linear-gradient(135deg, #1e293b, #334155);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.35);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}

.data-table th,
.data-table td {
  padding: 14px 12px;
  text-align: left;
}

.data-table thead th {
  background: #0f172a;
  color: #38bdf8;
  font-weight: 700;
}

.data-table tbody tr {
  border-bottom: 1px solid #475569;
}

.data-table tbody tr:hover {
  background: rgba(56, 189, 248, 0.08);
}
.courseCard {
  background: linear-gradient(135deg, #1e293b, #334155);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.5);
  transition: 0.3s;
}
#courseContainer {
  display: block;
  margin-bottom: 40px;
  padding: 40px;
  width: fit-content;
  height: fit-content;
}

/* action buttons */
.action-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.edit-btn,
.delete-btn {
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.3s ease;
}

.edit-btn {
  background: #38bdf8;
  color: #000;
}

.edit-btn:hover {
  background: #0ea5e9;
}

.delete-btn {
  background: #ef4444;
  color: #fff;
}

.delete-btn:hover {
  background: #dc2626;
}
#editForm {
  margin: 10px;
  background: linear-gradient(135deg, #1e293b, #334155);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.35);
  padding: 20px;
  border-radius: 16px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.35);
  width: fit-content;
  height: fit-content;
}
#editForm h2 {
  margin-bottom: 16px;
  color: #e2e8f0;
}
#editForm input {
  padding: 12px;
  border: 1px solid #475569;
  border-radius: 10px;
  background: #0f172a;
  color: #fff;
  outline: none;
  margin-bottom: 12px;
}
#editForm input::placeholder {
  color: #94a3b8;
}
#editForm button{
  padding: 10px;
  background-color: #cbd5f5;
  border-radius: 10px
}
#editForm button:hover{
  background-color: green;
  color: white;
}

/* Trainer profile */
 .profile-container{
      max-width: 900px;
      margin: 30px auto;
      background: #1e293b;
      color: white;
      padding: 24px;
      border-radius: 16px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.35);
    }

    .profile-title{
      margin-bottom: 20px;
      color: #38bdf8;
    }

    .profile-grid{
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .profile-card{
      background: #0f172a;
      padding: 18px;
      border-radius: 12px;
    }

    .profile-card h3{
      margin-bottom: 10px;
      color: #facc15;
    }

    .profile-card p{
      margin: 8px 0;
    }

    .resume-box{
      margin-top: 24px;
      background: #0f172a;
      padding: 18px;
      border-radius: 12px;
    }

    .resume-actions{
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 12px;
    }

    .resume-actions a{
      text-decoration: none;
      padding: 10px 16px;
      border-radius: 10px;
      background: #38bdf8;
      color: black;
      font-weight: bold;
    }
    .resume-actions a:hover{
      background: #0ea5e9;
    }

    iframe{
      width: 100%;
      height: 500px;
      border: none;
      border-radius: 12px;
      margin-top: 18px;
      background: white;
    }
    #interviewButton {
      padding: 10px 16px;
      border: none;
      border-radius: 10px;
      background: #22c55e;
      color: black;
      font-weight: bold;
      cursor: pointer;
    }
    #interviewButton:hover {
      background: #16a34a;
    }
    
    .mail-section {
      display:none;
      margin-top: 24px;
      background: #0f172a;
      padding: 18px;
      border-radius: 12px;
    }
    .mail-section h2 {
      margin-bottom: 12px;
      color: #facc15;
    }
    .mail-section form {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .mail-section input,
    .mail-section textarea {
      padding: 12px;
      border: 1px solid #475569;
      border-radius: 10px;
      background: #0f172a;
      color: #fff;
      outline: none;
    }
    .mail-section input:focus,
    .mail-section textarea:focus, .mail-section input:hover,
    .mail-section textarea:hover {
      border-color: #38bdf8;
      box-shadow: 0 0 5px rgba(56, 189, 248, 0.5);
    }
  .mail-section select {
      padding: 12px;
      border: 1px solid #475569;
      border-radius: 10px;
      background: #0f172a;
      color: #fff;
      outline: none;
    }
    .mail-section button {
      padding: 10px 16px;
      border: none;
      border-radius: 10px;
      background: #38bdf8;
      color: black;
      font-weight: bold;
      cursor: pointer;
    }
    .mail-section button:hover {
      background: #0ea5e9;
    }

    .mail-section label {
      display: block;
      margin-bottom: 6px;
      color: #94a3b8;
      font-weight: 600;
    }
    /* SCROLLBAR WIDTH */
::-webkit-scrollbar {
    width: 10px;
}

/* SCROLLBAR TRACK (background) */
::-webkit-scrollbar-track {
    background: #111;
}

/* SCROLLBAR HANDLE (moving part) */
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #00ccff, #007bff);
    border-radius: 10px;
}

/* HOVER EFFECT */
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00e6ff, #3399ff);
}
    
/* responsive */
@media (max-width: 1100px) {
  .course-form {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-form button {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .main{
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 16px;
  }

  .profile-grid{
        grid-template-columns: 1fr;
      }

      iframe{
        height: 380px;
      }

  #courseContainer{
    display: block;
    padding: 10px;
    width: fit-content;
  }

  .course-form {
    grid-template-columns: 1fr;
  }

  .course-form button {
    grid-column: span 1;
  }

  .sidebar {
    padding: 10px;
    display: flex;
    flex-direction: row;
    width: fit-content;
    height: fit-content;
    flex-direction: row;
    
  }
  .sidebar a {
    padding: 8px;
    font-size: 10px;
  }
  .sidebar-logo {
    font-size: 20px;
  }

  .cards {
    flex-direction: column;
    width: 80vw;
  }
  .dashboard {
    flex-direction: column;
  }
  .data-table {
   
    display: none;
    
  }
}