/* =========================================================
   GLOBAL STYLES
   ========================================================= */
:root {
  --bs-primary: #5fcf80;
  --bs-primary-dark: #2ba650;
  --bs-success: #27ae60;
  --bs-warning: #e67e22;
  --bs-danger: #dc3545;
  --bs-light-bg: #f8f9fa;
  --bs-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  --bs-radius: 12px;
  --bs-font: "Poppins", sans-serif;
}

body {
  font-family: var(--bs-font);
  background: var(--bs-light-bg);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  min-height: 100vh;
}
/* =========================================================
     AUTH (LOGIN / REGISTER)
     ========================================================= */

.login-card {
  background: #fff;
  border-radius: var(--bs-border-radius-lg, 12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
  text-align: center;
}

.login-card h2 {
  font-weight: 700;
  color: var(--bs-primary);
  margin-bottom: 1.5rem;
}

.login-card label {
  font-weight: 500;
  display: block;
  text-align: left;
  margin-top: 1rem;
  color: #333;
}

.login-card input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #ddd;
  margin-top: 0.4rem;
  transition: all 0.3s ease;
}

.login-card input:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.15rem rgba(13, 110, 253, 0.2);
  outline: none;
}

.login-card button {
  width: 100%;
  background-color: #2ba650;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  margin-top: 1.5rem;
  transition: all 0.3s;
}

.login-card button:hover {
  background-color: #2ba650; /* darker shade for hover */
}

.login-card a {
  color: var(--bs-primary);
  font-weight: 600;
  text-decoration: none;
}

.login-card a:hover {
  text-decoration: underline;
}

/* =========================================================
     SIDEBAR
     ========================================================= */
.sidebar {
  width: 250px;
  background-color: var(--bs-primary);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  padding: 20px 0;
  transition: all 0.3s ease;
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar.collapsed {
  width: 70px;
}

.sidebar .brand {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 30px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar ul li {
  margin: 10px 0;
}

.sidebar ul li a {
  display: flex;
  align-items: center;
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.sidebar ul li a:hover,
.sidebar ul li a.active {
  background-color: rgba(255, 255, 255, 0.15);
}

.sidebar ul li a i {
  margin-right: 12px;
  flex-shrink: 0;
}

.sidebar.collapsed ul li a span {
  display: none;
}

/* Sidebar toggle button */
.toggle-btn {
  position: absolute;
  top: 20px;
  right: -20px;
  background: #fff;
  color: #2ba650;
  border-radius: 50%;
  padding: 6px;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* =========================================================
     MAIN CONTENT AREA
     ========================================================= */
.main-content {
  margin-left: 250px;
  padding: 30px;
  transition: margin-left 0.3s ease;
  min-height: 100vh;
  background: var(--bs-light-bg);
}

.main-content.collapsed {
  margin-left: 70px;
}

/* =========================================================
     DASHBOARD / CARDS
     ========================================================= */
.dashboard-container {
  max-width: 1100px;
  margin: 0 auto;
}

.card {
  border-radius: 1rem;
  box-shadow: var(--bs-shadow);
}

/* =========================================================
     MANAGE INSTRUCTORS
     ========================================================= */
.manage-container {
  margin: 50px auto;
  background: #fff;
  border-radius: var(--bs-radius);
  box-shadow: var(--bs-shadow);
  padding: 30px;
  max-width: 1100px;
}

.manage-container h2 {
  color: #2ba650;
  font-weight: 600;
  margin-bottom: 25px;
}

.manage-container .table thead {
  background: #004aad;
  color: #fff;
}

.btn-approve {
  background: var(--bs-success);
  color: #fff;
  border: none;
  transition: 0.2s;
}

.btn-approve:hover {
  background: #1f8d4e;
}

.status-pending {
  color: var(--bs-warning);
  font-weight: 600;
}

.status-approved {
  color: var(--bs-success);
  font-weight: 600;
}

/* =========================================================
     UPLOAD COURSE PAGE
     ========================================================= */
.upload-container {
  max-width: 700px;
  margin: 50px auto;
  background: #fff;
  border-radius: var(--bs-radius);
  padding: 40px 35px;
  box-shadow: var(--bs-shadow);
}

.upload-container h2 {
  color: #2ba650;
  font-weight: 600;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-container form label {
  font-weight: 500;
  color: #333;
  margin-top: 15px;
}

.upload-container input,
.upload-container textarea,
.upload-container select {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid #ddd;
  margin-top: 5px;
  background: #fdfdfd;
  transition: 0.2s ease;
}

.upload-container input:focus,
.upload-container textarea:focus,
.upload-container select:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.15rem rgba(2, 241, 117, 0.1);
  outline: none;
}

.upload-container textarea {
  resize: vertical;
  min-height: 100px;
}

.upload-container button[type="submit"] {
  background: var(--bs-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 25px;
  font-size: 16px;
  font-weight: 500;
  margin-top: 20px;
  transition: 0.25s ease;
}

.upload-container button[type="submit"]:hover {
  background: var(--bs-primary-dark);
  cursor: pointer;
}

/* =========================================================
     MY COURSES PAGE
     ========================================================= */
.courses-container {
  margin: 50px auto;
  background: #fff;
  border-radius: var(--bs-radius);
  box-shadow: var(--bs-shadow);
  padding: 30px 35px;
  max-width: 1100px;
}

.courses-container h2 {
  color: #2ba650;
  font-weight: 600;
  margin-bottom: 25px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bs-primary);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: 0.25s ease;
  margin-bottom: 20px;
}

.upload-btn:hover {
  background: var(--bs-primary-dark);
  transform: translateY(-1px);
}

.courses-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 10px;
  overflow: hidden;
}

.courses-table thead {
  background: #004aad;
  color: #fff;
  text-align: left;
}

.courses-table th,
.courses-table td {
  padding: 12px 15px;
  font-size: 15px;
  border-bottom: 1px solid #eee;
}

.courses-table tbody tr:hover {
  background: #f9fbff;
}

.courses-table td a {
  color: var(--bs-primary);
  text-decoration: none;
  font-weight: 500;
}

.courses-table td a:hover {
  text-decoration: underline;
}

/* Status badges */
.price-status-approved {
  color: var(--bs-success);
  font-weight: 600;
}

.price-status-pending {
  color: var(--bs-warning);
  font-weight: 600;
}

.price-status-rejected {
  color: var(--bs-danger);
  font-weight: 600;
}

/* =========================================================
     RESPONSIVE ADJUSTMENTS
     ========================================================= */
@media (max-width: 768px) {
  .sidebar {
    width: 70px;
  }

  .sidebar.collapsed {
    width: 250px;
  }

  .main-content {
    margin-left: 70px;
    padding: 20px;
  }

  .main-content.collapsed {
    margin-left: 250px;
  }

  .toggle-btn {
    position: absolute;
    top: 20px;
    right: -20px;
    background: #fff;
    border-radius: 50%;
    padding: 6px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  }

  .courses-container,
  .upload-container,
  .manage-container {
    padding: 20px;
    margin: 20px;
  }
}