.text-content {
  background-color: var(--bs-body-bg) !important; /* Adjust the last value (alpha) to control darkness */
  color: var(--bs-body-color) !important; /* Set text color to contrast with the dark background */
  padding: 10px; /* Add some padding for better visual appeal */
  margin-top: 20px;
  text-align: justify;
}
.text-content p {
  margin-bottom: 20px; /* Adjust the value as needed for the desired spacing */
}

#text-content {
  background-color: var(--bs-body-bg) !important; /* Adjust the last value (alpha) to control darkness */
  color: var(--bs-body-color) !important; /* Set text color to contrast with the dark background */
  padding: 10px; /* Add some padding for better visual appeal */
  margin-top: 20px;
  text-align: justify;
}


/* Navbar Styles */
.navbar-nav .nav-link {
  color: var(--bs-body-color) !important;
  font-weight: bold;
  text-transform: uppercase;
  text-align: right;
}






/* Navbar switch alignment */
.nav-item .form-check {
  display: inline-flex;
  align-items: center;
}

/* Adjust spacing between navbar items */
.nav-item.d-flex {
  margin-left: 0.5rem;
}

/* Fix for collapsed switch */
@media (max-width: 767.98px) {
  .navbar-nav {
    flex-direction: column;
    align-items: flex-end;
  }

  .navbar-nav .nav-link {
    text-align: right;
    width: 100%; /* Full width for each link */
  }

  /* Ensure the switch appears as a separate item in collapsed view */
  .navbar-nav .nav-item.d-flex {
    justify-content: flex-end;
    width: 100%;
    text-align: right;
  }

  .navbar-collapse {
    align-items: flex-end;
  }

  .navbar-nav .form-check {
    margin: 0.5rem 0;
    text-align: right;
    width: auto;
  }

  /* Switch positioning in collapsed mode */
  .form-switch {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: auto;
  }

  /* Improved label spacing */
  .form-switch .form-check-label {
    display: inline-block;
    margin-right: 0.3rem;
    white-space: nowrap;
  }

  .form-switch .form-check-input {
    margin-left: 0.2rem;
  }

  /* Ensure label and input are separate */
  .form-switch label, .form-switch input {
    margin: 0;
    padding: 0;
  }
}


/* Improved alignment of switch and label */
.form-check-label {
  white-space: nowrap;
  margin-right: 0.5rem;
}


/* Button appearance */
.btn-primary {
  background-color: #3c4043;
  margin: 5px !important;
  border: none !important;
}

.btn-primary:hover {
  background-color: #5f6368;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
 
}


/* Alert Message */
.alert {
  background-color: var(--bs-primary); /* Customize the background color of the alert message */
  color: var(--bs-body-color); /* Customize the text color of the alert message */
  font-weight: bold;
  border-radius: 0;
}





/* Card Image */
.card-img-top {
  max-width: 50%;
  height: auto;
}


.section-box {
  position: relative;
  display: inline-block; /* Adjusts the box size to the content */
  /* border: 1px rgba(0, 255, 255, 0.2); /* Customize the border style */
  border-radius: 5px;
  font-family: "brandon_regular",sans-serif;
  color: var(--bs-body-color);
  padding: 2rem; /* Customize the padding */
  background-color: var(--bs-body-bg); /* Set the background color with desired opacity */
  margin: 10px;
}

.section-box p {
  margin-bottom: 0px; 
}


.card {
  background-color: var(--bs-body-bg);
  padding: 10px;
}

a {
  color: var(--bs-body-color) !important;
  text-decoration: none !important; /* Remove underline */
}





.message-box {
  background-color: rgba(255, 255, 255, 0);
  padding: 10px;
  border-radius: 5px;
  overflow-y: auto; /* Enable vertical scrollbar */
  scrollbar-width: thin; /* Width of the scrollbar */
  scrollbar-color: #337ab7 #f3f3f3; /* Color of the scrollbar */
}

.message-box textarea {
  width: 100%;
  background-color: rgba(255, 255, 255, 0);
  resize: vertical;
  padding: 5px;
  margin-bottom: 10px;
}

.message-box button {
  background-color: #473D84;
  color: var(--bs-body-color);
  padding: 5px 10px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  
 
  
}


/* Track */
.message-box::-webkit-scrollbar-track {
  background: #f3f3f3;
}

/* Handle */
.message-box::-webkit-scrollbar-thumb {
  background-color: #337ab7;
  border-radius: 5px;
}

/* Handle on hover */
.message-box::-webkit-scrollbar-thumb:hover {
  background-color: #7A54A1;
}

/* reviewcard buttons */
#b1{
  background-color: var(--bs-danger);
}
#b2{
  background-color: #FFB559;
}
#b3{
  background-color: var(--bs-warning);
}
#b4{
  background-color: #B8E067;
}
#b5{
  background-color: var(--bs-success);
}




#flash-message-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999; 
  }



/* JS msg*/
  .flashcard-success-message {
    position: fixed;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 10px;
    background-color: #029051; 
    color: var(--bs-body-color); 
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.flashcard-error-message {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px;
  background-color: var(--bs-danger); 
  color: var(--bs-body-color); 
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}


#content {
  width: 80%; 
  margin-left: auto; /* Center the textarea horizontally */
  margin-right: auto;
}

/* Style the modal */
.modal {
  display: none;

}

/* Style the modal content */
.modal-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90%;
  max-height: 90%;
  width: auto;
  height: auto;
  overflow-y: auto;
  padding: 20px;
  border: 1px solid #888;
  background-color: rgba(0, 0, 0, 0.9);
  text-align: justify;
  box-sizing: border-box;  /* Include padding and border in the box's total width and height */
  white-space: pre-line;
}


.modal-btn{
  max-width: 80%;
  text-align: center;
  display: block;
  margin: 10px auto;

}

/* Style the close button */
.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}

.flex-row {
  display: flex;
  justify-content: space-evenly; /* Adjusts spacing between sections */
  align-items: start; /* Aligns items at the start of the container */
  flex-wrap: wrap; /* Allows items to wrap in smaller screens */
}

.flex-column {
  display: flex;
  flex-direction: column;
  align-items: center; /* Center aligns the child elements */
}



.video-wrapper {
  width: 100%;
  max-width: 640px; /* Ensure the video does not exceed this width */
  margin: 0 auto; /* Center the video container within its parent */
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* Aspect ratio: 16:9 */
  height: 0;
  overflow: hidden;
  background: #000;
}

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



.google-login-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bs-body-bg);
  padding: 20px;
  border-radius: 5px;
  color: var(--bs-body-color);
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 20px auto;
  max-width: 600px;
}

.google-logo {
  width: 100px;
  height: auto;
  margin-right: 0px;
}

.google-login-message {
  font-size: 1rem;
  line-height: 1.5;
}




/* Flashcard Rating Button Colors */
.btn-red {
    background-color: var(--bs-danger); /* Bright Red */
    color: var(--bs-body-color);
}

.btn-yellow {
    background-color: var(--bs-warning); /* Bright Yellow */
    color: var(--bs-body-color);
}

.btn-green {
    background-color: var(--bs-success); /* Bright Green */
    color: var(--bs-body-color);
}

.btn {
    margin: 5px; /* Increase margin for more space between buttons */
}


/* Fix for hover text color */
.btn:hover, .btn:active, .btn:focus {
    color: var(--bs-body-color) !important; /* Maintain white text on hover, active, and focus */
}

.btn:hover {
    opacity: 0.8;
}

.btn:active {
    opacity: 0.6;
}




/* ===== Light Mode: DISABLED ===== 
html[data-bs-theme="light"] {
  color: white;
}

html[data-bs-theme="light"] body {
  background-image: linear-gradient(to left top, #504681, #535689, #7e7da5, #F3F2F1);
  color: white;
}

html[data-bs-theme="light"] .navbar-nav .nav-link {
  color: white !important;
}

html[data-bs-theme="light"] .navbar-nav .nav-link:hover,
html[data-bs-theme="light"] .navbar-nav .nav-link:focus,
html[data-bs-theme="light"] .navbar-nav .nav-link.active {
  color: #082865 !important;
}

html[data-bs-theme="light"] .section-box,
html[data-bs-theme="light"] .card,
html[data-bs-theme="light"] .alert,
html[data-bs-theme="light"] .message-box,
html[data-bs-theme="light"] .google-login-box {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}

html[data-bs-theme="light"] footer,
html[data-bs-theme="light"] footer a {
  color: white !important;
}

html[data-bs-theme="light"] footer a:hover {
  color: #ccc; 
} 
*/

/* ===== Dark Mode: Bootstrap-native ===== */
html[data-bs-theme="dark"] {
  background-color: #000;
  background-image: none;
  color: var(--bs-body-color);
}

html[data-bs-theme="dark"] body {
  color: var(--bs-body-color);
}

html[data-bs-theme="dark"] .section-box {
  background-color: rgba(255, 255, 255, 0.05) !important;} /* Adjust the last value (alpha) to control darkness */ 
html[data-bs-theme="dark"] .card,
html[data-bs-theme="dark"] .alert,
html[data-bs-theme="dark"] .message-box,
html[data-bs-theme="dark"] .google-login-box {
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
}

html[data-bs-theme="dark"] .navbar-nav .nav-link:hover,
html[data-bs-theme="dark"] .navbar-nav .nav-link:focus,
html[data-bs-theme="dark"] .navbar-nav .nav-link.active {
  color: #7e7da5 !important;
}
/* Smooth transition */
html {
  transition: background-color 0.4s ease, color 0.4s ease;
}


#flashcard-container {
  transition: opacity 0.4s ease;
}

.fade-out {
  opacity: 0;
}

.fade-in {
  opacity: 1;
}


.rate-btn {
  color: white !important;
}

/* Auto Expand Input Fields */
.auto-expand {
  min-height: 1.5em;
  max-height: 300px;
  transition: height 0.2s ease;
}







@keyframes flashcard-pop {
  0% {
    transform: scale(1);
    background-color: rgba(255, 255, 0, 0.4);
  }
  50% {
    transform: scale(1.03);
    background-color: rgba(255, 255, 0, 0.6);
  }
  100% {
    transform: scale(1);
    background-color: rgba(255, 255, 0, 0.2);
  }
}

.highlight {
  border: 2px solid  #337ab7;
  background-color: rgba(255, 255, 0, 0.2);
  animation: flashcard-pop 0.5s ease;
}


.table-wrapper {
    overflow-x: auto;
    width: 100%;
}



.table, .table th, .table td {
  background-color: transparent !important;
  color: inherit !important;
  text-align: center !important;
}


/* Being used for inputs at settings.html */
.shrink-input {
  width: fit-content;
  margin-right: 5px;
}



/* audiobook text */
#text-content {
  font-family: 'Arial', sans-serif;
  font-size: 1rem;
  white-space: pre-wrap;      
  word-wrap: break-word;      
  padding: 1rem;
  border-radius: 5px;
  background-color: rgba(0, 0, 0, 0.9);
  color: white;
  overflow: visible;           
  max-height: none;           
  width: 100%;
  box-sizing: border-box;
  display: block;
}


/* speaker button at study mode */
.speak-btn {
  background: none;
  border: none;
  padding: 0 4px;
  font-size: 1.2rem; 
  cursor: pointer;
  color: inherit; 
}

.speak-btn:focus {
  outline: none; 
}

/* speaking state: gentle scale + glow */
.speak-btn.speaking {
  animation: tts-pulse 900ms ease-in-out infinite;
  transform-origin: center;
  will-change: transform, text-shadow;
}

@keyframes tts-pulse {
  0%   { transform: scale(1);   text-shadow: none; }
  35%  { transform: scale(1.14); text-shadow: 0 0 6px rgba(255,255,255,.35); }
  70%  { transform: scale(1.08); text-shadow: 0 0 3px rgba(255,255,255,.25); }
  100% { transform: scale(1);   text-shadow: none; }
}


.btn-google {


  background-color: #3c4043;   /* neutral dark gray that works everywhere */
  color: #fff;
  border: none;
  border-radius: 0.5rem;

  font-weight: 500;
  padding: 0.1rem 0.75rem;
  line-height: 1.2;

  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-google:hover {
  background-color: #5f6368;
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.2);
}

.btn-google:active {
  background-color: #2f3133;
  transform: none;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2) inset;
}

/* Logo inside button */
.google-icon {
  height: 40px;
  width: 40px;
  object-fit: contain;
}


/* --- Light mode version --- */
html[data-bs-theme="light"] .btn-google {
  background-color: #fff;
  color: #5d5a6d !important;            /* Google's dark gray */
  border: 1px solid #dadce0; /* subtle outline to separate from background */
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

html[data-bs-theme="light"] .btn-google:hover {
  background-color: #f8f9fa;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

html[data-bs-theme="light"] .btn-google:active {
  background-color: #e8eaed;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}



/* softer background and spacing between panels */
.accordion-button {
  background-color: var(--bs-dark-bg-subtle);
  color: var(--bs-body-color);
  letter-spacing: 0.3px;
  justify-content: space-between;
}

/* cleaner arrow icon */
.accordion-button::after {
  margin-left: 1rem;           /* space from text */
  color: rgba(255,255,255,0.4); /* softer arrow */
  transform: scale(0.9);
}

/* when open */
.accordion-button:not(.collapsed)::after {
  color: var(--bs-primary);
}


/* Remove harsh blue highlight on click/focus */
.accordion-button:focus {
  box-shadow: none !important;
  outline: none !important;
}

/* When expanded, keep background neutral */
.accordion-button:not(.collapsed) {
  background-color: var(--bs-dark-bg-subtle);
  color: var(--bs-body-color);
}

/* Add subtle outline highlight on hover or focus */
.accordion-button:hover,
.accordion-button:focus {
  background-color: transparent;
  box-shadow: 0 0 0 2px rgba(150, 200, 255, 0.25);
  border-radius: 8px;
  transition: box-shadow 0.2s ease-in-out;
}


html[data-bs-theme="dark"] #brand-logo {
  content: url("/static/img/icons/logo-dark.png");
}


/* --- Light Mode Overrides for Teacher Dashboard Accordion --- */
html[data-bs-theme="light"] #studentsAccordion .accordion-item {
  background: transparent;
  border: none;
}

html[data-bs-theme="light"] #studentsAccordion .accordion-button {
  background-color: rgba(0, 0, 0, 0.35);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  box-shadow: none;
  transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* Hover and expanded states */
html[data-bs-theme="light"] #studentsAccordion .accordion-button:hover,
html[data-bs-theme="light"] #studentsAccordion .accordion-button:not(.collapsed) {
  background-color: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* Chevron arrow – make it white */
html[data-bs-theme="light"] #studentsAccordion .accordion-button::after {
  filter: invert(1);
}

/* Accordion body with transparent background */
html[data-bs-theme="light"] #studentsAccordion .accordion-body {
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff; /* ✅ ensures all text inside is white */
  border-radius: 0 0 0.5rem 0.5rem;
}

/* Make links and muted text also white */
html[data-bs-theme="light"] #studentsAccordion .accordion-body a,
html[data-bs-theme="light"] #studentsAccordion .accordion-body .text-muted {
  color: #fff !important;
}

/* Ensure form elements are readable */
html[data-bs-theme="light"] #studentsAccordion .accordion-body select,
html[data-bs-theme="light"] #studentsAccordion .accordion-body button {
  background-color: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

html[data-bs-theme="light"] #studentsAccordion .accordion-body button:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

/* Highlight for students with unreviewed flashcards */
html[data-bs-theme="light"] #studentsAccordion .accordion-button.bg-warning-subtle {
  background-color: rgba(255, 215, 0, 0.25) !important;
  border-color: rgba(255, 215, 0, 0.5);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
  color: #fff;
}


/* Default: show leaderboard, hide hint */
#leaderboard { display: block; }
#rotate-to-landscape { display: none; }

/* Hide leaderboard on small+portrait, show the rotate hint */
@media (max-width: 991.98px) and (orientation: portrait) {
  #leaderboard { display: none !important; }
  #rotate-to-landscape { display: block !important; }
}

/* Show leaderboard in landscape (even on small screens) */
@media (orientation: landscape) {
  #leaderboard { display: block !important; }
  #rotate-to-landscape { display: none !important; }
}