/* ------------------
   Basic page & container styles
------------------- */
body {
  margin: 0;
  padding: 0;
  background-color: #f7f9fb;
  font-family: sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 80px auto 20px auto;
  position: relative;
  transition: transform 0.5s ease;
}

.viewport {
  width: 100%;
  min-height: calc(100vh - 60px); /* subtract navbar height */
  overflow: auto;
  position: relative;
  cursor: grab;
}

/* ------------------
   Navigation bar styles
------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background-color: #f7f9fb;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  z-index: 1000;
}
.nav-left {
  color: black;
  font-weight: bold;
  font-size: 1.2em;
}
.nav-right {
  display: flex;
  gap: 10px;
  margin-right: 20px;
}
.nav-button {
  background-color: #f7f9fb;
  color: black;
  border: none;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: 1rem;
  border-radius: 5px;
  font-weight: bold
}
.nav-button:hover {
  background-color: black;
  color: #f7f9fb;
  font-weight: bold
}

/* ------------------
   Floating container style (shown when root unit prompt is out of screen)
------------------- */
/* Fixed below the navbar, centered horizontally; default display: none */
#floating-rootprompt {
  position: fixed;
  top: 60px; /* navbar height 60px, just below */
  left: 50%; 
  transform: translateX(-50%);
  background-color: #ecedf2;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 10px 15px;
  font-size: 1.2rem;
  display: none;
  z-index: 2000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ------------------
   Interactive unit styles
------------------- */
.interactive-unit {
  margin: 10px;
  padding: 10px;
  border: none; 
  border-radius: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeIn 0.5s ease-in-out;
  background-color: var(--bg-color, #ecedf2);
}

/* Make .input-row horizontal */
.input-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
}

/* Adjust button/image size if needed */
.input-row button img {
  width: 20px;
  height: 20px;
}

/* ------------------
   Root unit styles
------------------- */
/* Visually relax root unit padding if desired */
.interactive-unit[data-index=""] {
  padding: 20px;
}

/* Root input box size adjustments */
.root-input-row .root-input {
  width: 600px;
  height: 56px;
  font-size: 1.2rem;
}

.interactive-unit[data-index=""] > .response {
  min-height: 0px;
}

/* Root input row container */
.root-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

/* Root run button styles */
.root-run-button {
  cursor: pointer;
  width: 60px; 
  height: 60px;
}

.root-run-button:hover{
  background-color: lightgreen;
}

.root-run-button img {
  width: 45px;
  height: 45px;
}

/* Run/Generate buttons group */
.button-group {
  display: flex;
  gap: 10px;
  margin-top: 5px;
}

.button {
  margin-top: 5px;
  cursor: pointer;
  border: 1px solid black;
  border-radius: 5px;
}

.button:hover {
  background-color: rgb(34, 149, 34);
  color: white;
}
.generate-button:hover {
  background-color: #2196F3; 
  color: #fff;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Assistant response display area */
.response {
  margin-top: 10px;
  color: black;
  min-height: 50px; 
  width: 90%;
  max-width: 300px;
  padding: 5px;
  border-radius: 8px;
}

/* ------------------
   Animations
------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------
   Modal windows
------------------- */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.6);
}
.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  max-width: 90%;
  max-height: 90%;
  overflow: auto;
}
.modal-close {
  font-size: 1.5em;
  font-weight: bold;
  cursor: pointer;
  display: inline-block;
  margin: 5px;
}
.modal-close:hover {
  color: #888;
}

/* ------------------
   Bottom black transparent container
   + fade-out animation
------------------- */
.bottom-info {
  position: absolute;
  bottom: 30px;
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-sizing: border-box;
  padding: 0 10px;

  /* Default visible */
  opacity: 1;
  transition: opacity 0.8s ease-out;
}

/* Add .hidden to fade out */
.bottom-info.hidden {
  opacity: 0;
  pointer-events: none;
}

.info-box {
  background-color: rgba(0,0,0,0.7);
  color: white;
  border-radius: 15px;
  width: 30%;
  min-height: 80px;
  padding: 20px;
  margin: 0 10px;
  box-sizing: border-box;
}
.info-box h3 {
  margin-top: 0;
}

/* ------------------
   Media query (optional)
------------------- */
@media (max-width: 480px) {
  .nav-button {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
  }
  .nav-left {
    font-size: 1rem;
  }
  .response {
    max-width: 90%;
  }
}

/* ------------------
   Collapse button basic style
------------------- */
.collapse-btn {
  width: 18px;
  height: 18px;
  background-color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  position: absolute;
  top: 1px;
  right: 2px;
  padding: 0;
  outline: none;
}

/* Use ::before to draw upward triangle */
.collapse-btn::before {
  content: "";
  display: block;
  margin: 6px auto;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 7px solid #000;
}

/* Hover: background gray, triangle white */
.collapse-btn:hover {
  background-color: #ccc;
}
.collapse-btn:hover::before {
  border-top-color: #fff;
}

/* Collapsed state: downward triangle */
.collapse-btn.collapsed::before {
  border-top: none;
  border-bottom: 7px solid #000;
}

/* Collapsed + hover: white downward triangle */
.collapse-btn.collapsed:hover::before {
  border-bottom-color: #fff;
}

/* ========== Journey sidebar base styles ========== */
.journey-panel {
  position: fixed;
  top: 60px;
  left: 0; 
  width: 300px;
  height: calc(100vh - 60px);
  background-color: #ffffff;
  border-right: 1px solid #ddd;
  overflow-y: auto;
  transform: translateX(-310px);
  transition: transform 0.3s ease;
  z-index: 1500;
  box-shadow: 2px 0 8px rgba(0,0,0,0.2);
}

.journey-panel.open {
  transform: translateX(0);
}

.journey-panel-content {
  padding: 15px;
}

.journey-panel-content h3 {
  margin-top: 1em;
  margin-bottom: 0.5em;
  font-weight: bold;
}

.journey-panel-content .message-item {
  margin: 4px 0;
  line-height: 1.4em;
}

.journey-panel-content .message-user {
  color: #333;
}
.journey-panel-content .message-assistant {
  color: #0077cc;
  margin-left: 10px;
}

/* Highlighted unit outline example */
.highlighted-unit {
  outline: 3px solid #FF5722;
  box-shadow: 0 0 10px rgba(255, 87, 34, 0.5);
}

/* Highlighted title in Journey panel */
.highlighted-title {
  color: #FF5722;
  font-weight: bold;
}

/* ========= Journey button styles ========= */
/* Fix button group to upper right */
#journey-btn-group {
  position: fixed;
  top: 70px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2001;
}

/* Unified button style in group */
#journey-btn-group button {
  background-color: #fff;
  border: none;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Image size for journey button */
#journey-btn-group button img {
  width: 24px;
  height: 24px;
  display: block;
}

/* Hover effect */
#journey-btn-group button:hover {
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Toggled state for journey toggle button */
#journey-toggle-btn.toggled {
  background-color: #ccc;
}

/*======titles========*/
.journey-unit-title{
  text-decoration: underline;
  cursor: pointer;
}

.unit-title{
  text-decoration: underline;
  cursor: pointer;
}

/* Tooltip container wraps the button */
.tooltip-container {
  position: relative;
  display: inline-block;
}

/* The tooltip itself */
.tooltip-text {
  visibility: hidden;
  opacity: 0;
  background-color: black;
  color: #fff;
  text-align: center;
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  position: absolute;
  z-index: 100;
  bottom: 125%; /* Show above the button */
  left: 50%;
  transform: translateX(-100%);
  transition: opacity 0.3s;
}

/* Show tooltip when hovering */
.tooltip-container:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}