:root {
  --navy: #1B263B;
  --yellow: #FCBF49;
  --white: #EDF6F9;
  --font: 'Poppins', Arial, sans-serif;

  /* Default Dark Theme Colors */
  --bg-color: var(--navy);
  --text-color: var(--white);
  --bubble-text-color: #333;
  --settings-icon-bg: var(--white);
  --settings-icon-stroke: var(--navy);
  --modal-bg-color: var(--white);
  --modal-text-color: var(--navy);
  --toggle-bg: var(--white);
  --toggle-knob: var(--yellow);
}

body.light-mode {
   /* Light Theme Color Overrides */
  --bg-color: var(--white);
  --text-color: var(--navy);
  /* --bubble-text-color remains #333 as it's on a yellow background */
  --settings-icon-bg: var(--navy);
  --settings-icon-stroke: var(--white);
  --modal-bg-color: #f0f0f0; /* Slightly off-white for modal in light mode */
  --modal-text-color: var(--navy);
  --toggle-bg: var(--navy);
  --toggle-knob: var(--white);
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font);
  box-sizing: border-box;
  transition: background-color 0.3s, color 0.3s;
  position: relative;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.navbar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 36px 56px 0 56px;
  box-sizing: border-box;
}

.navbar-controls-right {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 60px;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  font-size: 1.7rem;
  position: relative;
  padding-bottom: 4px;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--yellow);
}

.nav-link.active {
  font-weight: 500;
  color: var(--yellow);
}

.nav-link.active::after {
  content: '';
  display: block;
  width: 120%;
  height: 5px;
  background: var(--yellow);
  border-radius: 3px;
  position: absolute;
  left: 0%;
  bottom: -5px;
}

.nav-link.active::after, .nav-link:not(.active):hover::after {
  content: '';
  display: block;
  width: 120%; /* Same as active link's underline */
  height: 5px;  /* Same as active link's underline */
  background: var(--yellow);
  border-radius: 3px; /* Same as active link's underline */
  position: absolute;
  left: 0%; /* Same as active link's underline */
  bottom: -5px; /* Same as active link's underline */
}

/* Ensure only one underline if active link is hovered */
.nav-link.active:hover::after {
  /* Styles are already defined by .nav-link.active::after, so no need to repeat unless overriding */
  /* This empty rule can be removed if no specific override is needed */
}

.toggle-switch {
  position: relative;
  width: 80px;
  height: 40px;
  display: flex;
  align-items: center;
}

.toggle-switch input[type="checkbox"] {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch label {
  display: block;
  width: 60px; /* Decreased width */
  height: 35px; /* Cylindrical: Shorter */
  background: var(--toggle-bg);
  border-radius: 20px; /* Rounded ends for cylinder */
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
  border: 1px solid #000; /* Black border */
  box-sizing: border-box; /* Ensure border is inside the width/height */
}

.toggle-switch label::after {
  content: '';
  position: absolute;
  top: 5px; /* Adjusted for visual centering */
  width: 22px; /* Smaller knob to fit */
  height: 22px;
  background: var(--toggle-knob);
  border-radius: 50%;
  transition: left 0.3s, background-color 0.3s;
}

/* Navbar toggle: Dark Mode (checked) = Knob on the left */
.toggle-switch input#theme-toggle:checked + label::after {
  left: 5px; 
}

/* Navbar toggle: Light Mode (unchecked) = Knob on the right */
.toggle-switch input#theme-toggle:not(:checked) + label::after {
  left: 32px; /* (60px width - 22px knob - 5px padding from left - 1px border adjustment) */
}

.settings-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-left: 16px;
}

.settings-btn img {
  display: block;
  width: 40px;
  height: 40px;
  background: transparent; /* Remove background */
  border-radius: 50%;
  /* box-shadow: 0 2px 8px rgba(27,38,59,0.08); Removed as it implies a background */
}

.settings-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(27, 38, 59, 0.6);
  align-items: center;
  justify-content: center;
}

.settings-modal-content {
  background: var(--modal-bg-color);
  color: var(--modal-text-color);
  margin: auto;
  padding: 32px 24px 24px 24px;
  border-radius: 18px;
  width: 90%;
  max-width: 400px;
  position: relative;
  box-shadow: 0 8px 32px rgba(27,38,59,0.18);
  text-align: center;
}

.close-modal {
  position: absolute;
  top: 12px;
  right: 18px;
  font-size: 2rem;
  font-weight: bold;
  color: var(--modal-text-color);
  cursor: pointer;
  transition: color 0.2s;
}

.close-modal:hover {
  color: var(--yellow);
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.bubble-group {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
  top: -50px;
}

/* Styles for the listening bubbles container */
.listening-bubbles {
    display: none; /* Hidden by default */
    width: 380px; /* Match main bubble width */
    height: 380px; /* Match main bubble height */
    justify-content: space-around; /* Distribute bubbles horizontally */
    align-items: center;
    position: absolute; /* Position over the bubble-group */
    top: 0;
    left: 0;
    z-index: 3; /* Ensure it's above other bubble elements */
}

/* Styles for the individual listening bubbles */
.listening-bubble {
    width: 50px; /* Adjust size as needed */
    height: 50px; /* Adjust size as needed */
    background: var(--yellow); /* Or a different color */
    border-radius: 50%;
    opacity: 0; /* Start hidden */
    transform: scale(0); /* Start small */
    transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

/* When bubble-group is listening, hide main bubble and show listening bubbles */
.bubble-group.listening .main-bubble {
    /* Remove this rule - we want the main bubble to be visible and scale */
    /* display: none !important; */ 
}

.bubble-group.listening .listening-bubbles {
    display: flex !important; /* Show the container */
}

/* Animate the listening bubbles when the parent has the listening class */
.bubble-group.listening .listening-bubble {
    opacity: 1; /* Fade in */
    transform: scale(1); /* Scale up */
}

/* Add staggered animation delay */
.bubble-group.listening .listening-bubble:nth-child(1) { transition-delay: 0.1s; }
.bubble-group.listening .listening-bubble:nth-child(2) { transition-delay: 0.2s; }
.bubble-group.listening .listening-bubble:nth-child(3) { transition-delay: 0.3s; }
.bubble-group.listening .listening-bubble:nth-child(4) { transition-delay: 0.4s; }

.main-bubble {
  width: 380px;
  height: 380px;
  background: var(--yellow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #333;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 32px rgba(0,0,0,0.08);
  /* Add transition for smooth scaling */
  transition: box-shadow 0.2s, transform 0.2s ease-out;
  z-index: 2;
  text-align: center;
}

.main-bubble:hover {
  box-shadow: 0 8px 48px rgba(0,0,0,0.16);
  transform: scale(1.03);
}

.bubble {
  position: absolute;
  background: var(--yellow);
  border-radius: 50%;
  z-index: 1;
}

.small-bubble-1 {
  width: 80px;
  height: 80px;
  right: -60px;
  bottom: 40px;
}

.small-bubble-2 {
  width: 48px;
  height: 48px;
  right: -20px;
  bottom: -30px;
}

@media (max-width: 700px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 20px 0 20px;
  }
  .nav-links {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    align-items: flex-start;
    margin-bottom: 15px;
  }
  .nav-link {
    font-size: 1.3rem;
    padding-bottom: 8px;
  }
  .nav-link.active::after, .nav-link:not(.active):hover::after {
    width: 100%;
    height: 3px;
    bottom: -2px;
  }
  .navbar-controls-right {
    width: 100%;
    justify-content: space-between;
    margin-top: 10px;
  }
  .toggle-switch label {
    width: 50px;
    height: 30px;
  }
  .toggle-switch label::after {
    width: 18px;
    height: 18px;
    top: 4px;
  }
  .toggle-switch input#theme-toggle:not(:checked) + label::after {
    left: 28px;
  }
  .settings-btn img {
    width: 35px;
    height: 35px;
  }
  .main-content {
    padding: 15px;
  }
  .page-heading {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }
  .main-bubble {
    width: 280px;
    height: 280px;
    font-size: 1.1rem;
  }
  .small-bubble-1 {
    width: 60px;
    height: 60px;
    right: -30px;
    bottom: 20px;
  }
  .small-bubble-2 {
    width: 35px;
    height: 35px;
    right: -15px;
    bottom: -15px;
  }
  .bubble-group {
    min-height: 350px;
    top: -30px;
  }
  .settings-modal-content {
    width: 90%;
    padding: 20px 15px 15px 15px;
    border-radius: 12px;
  }
  .settings-modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }
  .setting-item {
    padding: 15px 0;
  }
  .setting-item label, .settings-link {
    font-size: 0.9rem;
  }
  .btn-primary {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .emotion-display {
    bottom: 10px;
    left: 10px;
  }
  .emotion-emoji-display {
    width: 120px;
    height: 120px;
    padding: 8px;
  }
  #emotionText {
    font-size: 0.9rem;
    margin-bottom: 5px;
  }
  .emotion-emoji-display img {
    width: 80px;
    height: 80px;
    margin-top: 3px;
  }
}

.settings-modal:hover {
  color: var(--yellow);
}

.page-heading {
  color: var(--text-color);
  text-align: center;
  font-size: 2.4rem;
  font-weight: 600;
  margin-bottom: 50px;
}

.settings-modal-content h2 {
  margin-top: 0;
  margin-bottom: 28px;
  font-size: 1.8rem;
  color: var(--modal-text-color);
}

.settings-modal-content h6 {
  margin-top: 10px;
  margin-bottom: 5px;
  font-size: 0.8rem;
  color: var(--yellow);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid #ddd; /* Light separator line */
  color: var(--modal-text-color);
}

.setting-item a img{
  width: 20px;
  height: 20px;
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item label {
  font-size: 1rem;
  font-weight: 500;
}

.settings-link {
  color: var(--modal-text-color);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  transition: color 0.2s;
}

.settings-link:hover {
  color: var(--yellow); /* Default hover for settings links */
}

/* Specific layout for Privacy Policy link with icon */
.settings-link-with-icon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%; /* Ensure it takes full width to push icon to far right */
}

/* Override hover for the Privacy Policy text if no color change is desired */
.settings-link-with-icon:hover,
.settings-link-with-icon:hover span {
  color: var(--modal-text-color); /* Keeps text color same as non-hovered state */
  text-decoration: none; /* Ensure no underline appears on hover */
}

/* The icon itself does not need separate :hover styles as it's part of the link */
/* The user's style for the image size is: */
/* .setting-item a img { width: 20px; height: 20px; } */
/* This will apply, no changes needed here for the icon itself. */

/* Modal Toggle Switch Styles (Smaller) */
.modal-toggle label {
  width: 50px; /* Decreased width */
  height: 25px; /* Cylindrical: Shorter */
  background: var(--toggle-bg);
  border-radius: 12px; /* Rounded ends */
  border: 1px solid #000; /* Black border */
  box-sizing: border-box; /* Ensure border is inside the width/height */
}

.modal-toggle label::after {
  width: 18px; /* Smaller knob */
  height: 18px;
  top: 2px; /* Re-centered for 24px height label and 18px knob */
  background: var(--toggle-knob);
}

/* Logic based on JS: darkModeToggleModal.checked = true for Dark Mode */
.modal-toggle input#darkModeToggleModal:checked + label::after {
  left: 3px; /* Dark Mode: Knob on the left */
}

.modal-toggle input#darkModeToggleModal:not(:checked) + label::after {
  left: 25.75px; /* Light Mode: Knob on the right (44 - 18 - 3) */
}

.btn-primary {
  background-color: var(--yellow);
  color: var(--navy);
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-primary:hover:not(:disabled) {
  background-color: #fca833; /* Darker yellow */
}

.btn-primary:disabled {
  background-color: #ccc;
  color: #888;
  cursor: not-allowed;
}

.btn-danger {
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-danger:hover {
  background-color: #c82333;
}

.logout-btn, .delete-account-btn {
  width: 100%;
  margin-top: 8px;
}

/* Styles for the emotion emoji display */
.emotion-emoji-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px; /* Increased height to accommodate text */
    background-color: var(--white);
    padding: 10px;
    border: 2px solid var(--navy);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.light-warning-text {
    position: fixed;
    bottom: 200px; /* Adjust this value to position it above the emotion-display box */
    left: 30px;
    z-index: 100;
    color: var(--yellow);
    font-size: 0.7rem;
    font-weight: 500;
    text-align: center;
    max-width: 150px; /* Constrain width to match emotion display */
}

/* Hide the video element used for face detection */
#videoInput {
    display: none;
    /* You can also position it off-screen if 'display: none' causes issues with face-api.js */
    /* position: absolute; */
    /* top: -9999px; */
    /* left: -9999px; */
}

.emotion-display {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 100;
}

#emotionText {
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 10px;
    text-align: center;
}

.emotion-emoji-display img {
    width: 110px;
    height: 110px;
    margin-top: 5px;
}

.hamburger-menu {
  display: none; /* Hidden by default, shown in media query */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001; /* Ensure it's above other navbar items */
}

.hamburger-menu img {
  width: 30px; /* Adjust size as needed */
  height: 30px;
}

@media (max-width: 700px) {
  .navbar {
    align-items: center; /* Align hamburger and controls */
    padding: 15px 20px; /* Adjust padding */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
  }

  .nav-links {
    display: none; /* Hide original nav-links container by default on mobile */
    flex-direction: column;
    position: absolute;
    top: 60px; /* Position below navbar, adjust as needed */
    left: 0;
    background-color: var(--bg-color);
    width: 100%;
    padding: 10px 0; /* Add some padding */
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-top: 1px solid var(--yellow); 
    z-index: 1000;
  }

  .nav-links.active-menu { /* Class to show the menu */
    display: flex;
  }

  .nav-link {
    font-size: 1.2rem; /* Adjusted font size for dropdown */
    padding: 10px 20px; /* Make links easier to tap */
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }

  .nav-link.active::after, .nav-link:not(.active):hover::after {
    display: none; /* Remove underlines in dropdown */
  }

  .navbar-controls-right {
    width: auto; /* Don't make controls full width if hamburger is present */
    margin-top: 0; /* Reset margin */
  }
  
  /* Keep other mobile styles for .toggle-switch, .settings-btn etc. */
}