/* Reset and base */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #f7f7f7;
  box-sizing: border-box;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: #f9f9f9;
  border-bottom: 1px solid #ddd;
}

header h1 {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 1.6em;
  color: #333;
  text-align: center;
}

/* User box (avatar, details, buttons) */
.user-box {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  gap: 10px;
}

.avatar {
  width: 36px;
  height: 36px;
  background: #007bff;
  color: white;
  font-weight: bold;
  font-size: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-details {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-weight: bold;
  font-size: 14px;
  color: #333;
}

.user-email {
  font-size: 12px;
  color: #666;
}
.changuser{
  font-size: 12px;
  color: #666;
  text-decoration: underline; cursor: pointer;
}


/* Center overlay with semi-transparent background */
.change-password-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.4);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1600;
}



.change-password-card {
  background: #fff;
  padding: 20px 16px;
  border-radius: 16px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
  font-family: sans-serif;
  text-align: center;
  box-sizing: border-box;
  overflow: hidden;
}

.change-password-card input {
  width: 100%;
  max-width: 100%;
  margin: 10px 0;
  padding: 12px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  outline: none;
  box-sizing: border-box;
  overflow: hidden;
  word-break: break-word;
}

/* Headline */
.change-password-card h2 {
  margin-bottom: 20px;
  font-size: 20px;
  color: #333;
}



.change-password-card input:focus {
  border-color: #007bff;
}

/* Button row */
.popup-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
}

.popup-buttons button {
  flex: 1;
  margin: 0 5px;
  padding: 10px;
  font-size: 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.popup-buttons button:first-child {
  background-color: #007bff;
  color: #fff;
}

.popup-buttons button:last-child {
  background-color: #f0f0f0;
  color: #333;
}

.popup-buttons button:hover {
  opacity: 0.9;
}



.logout-btn {
  background: #e53935;
  border: none;
  color: #fff;
  padding: 6px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: background 0.3s;
}

.logout-btn:hover {
  background: #c62828;
}

.upload-btn {
  padding: 8px 14px;
  background: #007bff;
  border: none;
  color: white;
  border-radius: 5px;
  cursor: pointer;
  margin-left: 10px;
  margin-right: 50px;
  font-size: 14px;
  transition: background 0.3s;
}

.upload-btn:hover {
  background: #155fa0;
}

/* Main content */
.main-content {
  margin-left: 18vw;
  padding: 200px 20px 80px 20px; /* add some bottom padding */
  
  
}

/* Search input */
#searchInput {
  padding: 10px 15px;
  width: 100%;
  max-width: 500px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 20px;
  margin-right: 25vw; /* adjust for sidebar */
  margin-top: 20px;
}

/* Video grid and cards */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.video-card {
  background: white;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

/* Upload form container */
#uploadFormContainer {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  padding: 20px 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  max-width: 400px;
  width: 90%;
  box-sizing: border-box;
  z-index: 1000;
}

#uploadFormContainer input,
#uploadFormContainer textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #bbb;
  border-radius: 6px;
  box-sizing: border-box;
}

#uploadFormContainer button {
  padding: 10px 15px;
  margin-top: 10px;
  border: none;
  border-radius: 5px;
  color: white;
  background: #28a745;
  cursor: pointer;
}

#uploadFormContainer .cancel-btn {
  background: #999;
  margin-left: 10px;
}

/* Auth popup */
#authPopup {
  display: none;
  position: fixed;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
  z-index: 9999;
  max-width: 350px;
  width: 90%;
  box-sizing: border-box;
}

#authCloseBtn {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 15px;
  font-weight: bold;
  background: none;
  border: none;
  color: #888;
  cursor: pointer;
  transition: color 0.2s, transform 0.2s;
}

#authCloseBtn:hover {
  color: #000;
  transform: scale(1.2);
}

#authPopup input {
  width: 100%;
  padding: 8px;
  margin-bottom: 10px;
  border-radius: 5px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

#authPopup button {
  padding: 10px 20px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#authPopup p {
  text-align: center;
  color: blue;
  cursor: pointer;
}

/* Buttons */
.action-btn {
  background: #f0f0f0;
  border: none;
  padding: 6px 12px;
  margin-right: 6px;
  cursor: pointer;
  font-size: 13px;
  border-radius: 4px;
  color: #333;
  transition: background 0.2s;
}

.action-btn:hover {
  background: #e0e0e0;
}

.action-btn.danger {
  color: #c62828;
  background: #ffe5e5;
}

.btn-design {
  background-color: #1976d2;
  color: white;
  border: none;
  padding: 5px 15px;
  margin: 10px 0 10px 10px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 2px 5px rgba(25, 118, 210, 0.4);
}

.btn-design:hover {
  background-color: #115293;
  box-shadow: 0 4px 10px rgba(17, 82, 147, 0.6);
}

.btn-design:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.6);
}

/* Comment input */
.comment-input {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comment-input input {
  width: 100%;
  padding: 10px 15px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.comment-input input:focus {
  border-color: #1976d2;
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.2);
}

/* Edit input */
.edit-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-sizing: border-box;
}

.edit-input:focus {
  border-color: #1976d2;
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.2);
}

/* Video description */
.video-description {
  margin: 10px 0;
  font-size: 14px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  max-height: 5.6em; /* 4 lines * 1.4 line-height */
  transition: all 0.3s ease;
}

.video-description.expanded {
  -webkit-line-clamp: unset;
  max-height: 300px;
  overflow-y: auto;
}

.read-more-btn {
  background: none;
  border: none;
  color: #1976d2;
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  margin-top: 4px;
}

/* Sidebar */
#leftSidebar {
  position: fixed;
  top: 80px;
  bottom: 20px;
  left: 5px;
  width: 15vw;
  height: calc(100% - 190px);
  background: #fff;
  border-right: 1px solid #ddd;
  box-shadow: 2px 0 8px rgba(0,0,0,0.05);
  overflow-y: auto;
  padding: 16px;
  z-index: 1000;
  overflow-y: auto;
  border-radius: 20px;
}

#leftSidebar h3 {
  margin-top: 0;
  font-size: 18px;
  color: #333;
  border-bottom: 1px solid #eee;
  padding-bottom: 8px;
}

#topicList {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#topicList li {
  padding: 6px 10px;
  margin-bottom: 6px;
  background: #f5f5f5;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  cursor: pointer;
}

#topicList li:hover {
  background: #e0e0e0;
}

/* Comment modal */
#commentModal {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;

  /* Flexbox for centering */
  display: flex;
  justify-content: center;  /* center horizontally */
  align-items: center;      /* center vertically */

  padding: 20px;            /* space from edges on small screens */
  box-sizing: border-box;

  overflow-y: auto;         /* scroll if content too tall */
}

#commentModal > div {
  width: 95vw;
  max-width: 600px;
  max-height: 90vh;          /* keep modal height limited */
  background: white;
  padding: 20px;
  border-radius: 8px;
  position: relative;
  box-sizing: border-box;

  overflow-y: auto;          /* scroll inside modal if content overflows */
}

/* Optional: On larger screens, add side margins to limit width */
@media (min-width: 768px) {
  #commentModal > div {
    width: 600px;
  }
}


@media (min-width: 768px) {
  #commentModal > div {
    margin-left: 10vw;
    margin-right: 10vw;
    margin-top: 80px;
    margin-bottom: 50px;
  }
}

/* Search wrapper fixed below header */
.search-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 50px; /* adjust as per header */
  width: 100%;
  padding: 30px 0;
  background: #f9f9f9;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Sidebar toggle button for mobile */
#toggleSidebarBtn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  padding : 175px 10px 0px ;
  position: fixed;
  z-index: 1002;
}

/* Sidebar adjustments for mobile */
@media (max-width: 768px) {
  .sidebar, #leftSidebar {
    display: none;
  }
  
  #leftSidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 70vw;
    max-width: 280px;
    top: 80px;
    left: 0;
    height: calc(100% - 190px);
    z-index: 1001;
  }
  #leftSidebar.open {
    
    transform: translateX(0);
    display: block;
  }
  #sidebarOverlay {
    display: none;
  }
  #sidebarOverlay.show {
    display: block;
    position: fixed;
    top: 60px;
    left: 10px;
    width: 100%;
    height: calc(100% - 60px);
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
  }
  
  .main-content {
   
    margin-left: 0;
    padding: 180px 20px 100px 20px;
  }

  #toggleSidebarBtn {
    display: block;
  }

  header {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1001;
  }

  #searchInput {
    margin-left: 19vw;
    margin-top: 30px;
  }

}

/* Video embed responsive */
.video-embed {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: 10px;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Scroll lock when modal open */
body.modal-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}