p,
input[type="range"] {
  display: inline-block;
  vertical-align: middle;
}

body {
  background-color: black !important;
  color: #95a3ab;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

/* =============================================
   APP SHELL LAYOUT
   ============================================= */

#app-shell {
  display: flex;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* --- Side Navigation --- */

#side-nav {
  width: 260px;
  min-width: 260px;
  background-color: #1a1a1a;
  border-right: 1px solid #333;
  color: #95a3ab;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 2000;
}

/* On desktop (>=992px), offcanvas-lg shows inline automatically via Bootstrap.
   We just ensure it has the right background. */
@media (min-width: 992px) {
  #side-nav {
    display: flex !important;
    flex-direction: column;
  }
  #side-nav .offcanvas-header {
    display: none;
  }
}

/* Mobile offcanvas overrides */
@media (max-width: 991.98px) {
  #side-nav {
    background-color: #1a1a1a !important;
  }
}

.sidebar-brand {
  padding: 16px 16px 8px 16px;
  border-bottom: 1px solid #333;
  margin-bottom: 8px;
}

.sidebar-brand h5 {
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* --- Hamburger toggle (mobile) --- */

#nav-toggle {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 3000;
  background-color: rgba(26, 26, 26, 0.9);
  border: 1px solid #333;
  color: #95a3ab;
  padding: 6px 10px;
  border-radius: 4px;
  line-height: 1;
}

#nav-toggle .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28149, 163, 171, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  width: 24px;
  height: 24px;
  display: block;
}

/* --- Nav Tree --- */

.nav-tree {
  padding: 8px 0;
}

.nav-item {
  padding: 8px 16px;
  cursor: pointer;
  color: #95a3ab;
  font-size: 0.9rem;
  border-left: 3px solid transparent;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.nav-item:hover {
  background-color: #2a2a2a;
  color: #ccc;
}

.nav-item.active {
  background-color: #b6161c;
  color: #fff;
  border-left-color: #fff;
}

.nav-home {
  font-weight: 600;
  margin-bottom: 4px;
}

.nav-category {
  margin-bottom: 2px;
}

.nav-category-header {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  cursor: pointer;
  color: #95a3ab;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background-color 0.15s, color 0.15s;
  user-select: none;
}

.nav-category-header:hover {
  background-color: #2a2a2a;
  color: #ccc;
}

/* Chevron icon via CSS ::before */
.nav-chevron {
  display: inline-block;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid #95a3ab;
  margin-right: 8px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.nav-category-header.expanded .nav-chevron {
  transform: rotate(90deg);
}

.nav-category-title {
  flex: 1;
}

.nav-category-list {
  /* Indent experiment items under category */
}

.nav-experiment {
  padding-left: 36px;
  font-weight: 400;
  font-size: 0.85rem;
}

/* --- Content Area --- */

#content-area {
  flex-grow: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  background-color: black;
  height: 100vh;
}

/* =============================================
   HOME PAGE
   ============================================= */

.home-page {
  width: 100%;
  min-height: 100%;
}

.home-hero {
  width: 100%;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.home-hero-content {
  text-align: center;
}

.home-hero-content h1 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 8px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.home-hero-content h2 {
  color: #ddd;
  font-size: 1.2rem;
  font-weight: 400;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.home-category-card {
  background-color: #1e1e1e !important;
  border: 1px solid #333 !important;
  color: #95a3ab !important;
  transition: border-color 0.2s, transform 0.15s;
  height: 100%;
}

.home-category-card:hover {
  border-color: #b6161c !important;
  transform: translateY(-2px);
}

.home-category-card .card-title {
  color: #fff;
}

.home-category-card .card-text {
  color: #95a3ab;
  white-space: normal;
  overflow: visible;
}

/* =============================================
   CATEGORY PAGE
   ============================================= */

.category-page {
  padding: 24px;
}

.category-header {
  margin-bottom: 24px;
}

.category-header h2 {
  color: #fff;
  margin-bottom: 8px;
}

.category-description {
  color: #95a3ab;
  font-size: 1rem;
}

/* --- Experiment Cards (category page grid) --- */

.experiment-card {
  background-color: #1e1e1e !important;
  border: 1px solid #333 !important;
  color: #95a3ab !important;
  transition: border-color 0.2s, transform 0.15s;
  overflow: hidden;
  height: 100%;
  width: auto !important;
  margin: 0 !important;
}

.experiment-card:hover {
  border-color: #b6161c !important;
  transform: translateY(-2px);
}

.experiment-card .card-img-top {
  height: 180px;
  object-fit: cover;
  width: 100%;
}

.experiment-card .card-title {
  color: #fff;
  font-size: 1rem;
}

.experiment-card .card-text {
  color: #95a3ab;
  font-size: 0.85rem;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
}

.experiment-card .card-body {
  background-color: transparent;
}

/* =============================================
   EXISTING STYLES (game canvas, controls, etc.)
   ============================================= */

.body-controls {
  background-color: gray;
  color: #95a3ab;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #273445;
  position: absolute;
  right: 0;
  z-index: 1000;
}

.game-canvas {
  background-color: black;
  color: #95a3ab;
  padding: 0px;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1000;
}

.controls-panel {
  background-color: gray;
  color: #95a3ab;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #273445;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
}

.GameControls {
  background-color: darkgray;
  color: #95a3ab;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #273445;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

/* General Card Styles (applies to both vertical and carousel cards) */
.card,
.carousel-item {
  /* Target both card types */
  width: 250px;
  /* Set a fixed width */
  height: 350px;
  /* Set a fixed height */
  margin: 10px;
  overflow-y: scroll;
  /* Hide any content that overflows */
  display: flex;
  flex-direction: column;
  /* Stack elements vertically */
}

.card-img-top,
.carousel-item img {
  /* Target images in both card types */
  width: 100%;
  height: 40%;
  /* Or a fixed height if you prefer */
  object-fit: cover;
  /* Ensure image covers the area */
}

.card-body {
  padding: 10px;
  flex-grow: 1;
  /* Allows card-body to take up remaining space */
  display: flex;
  flex-direction: column;
}

.card-title {
  margin-bottom: 0.5rem;
  /* Add some spacing below the title */
  text-overflow: ellipsis;
}


.card-text {
  text-wrap:wrap;
  word-break: break-word;
  /* Handle long words */
  hyphens: auto;
  /* Optional: encourage hyphenation */
  flex-grow: 1;

  overflow-y: scroll;    /* Add vertical scrollbar if content exceeds max-height */

  /* Remove white-space: nowrap; */
  /* Crucial: Allow text to wrap */
  padding: 0 10px;
  /* Keep the padding */
}

.interstitial-card {
  width: 80% !important;
  /* Or a specific width like 700px */
  max-width: 900px;
  /* Set a maximum width to prevent it from becoming too wide on large screens */
  margin: 0 auto;
  /* Center the card horizontally */
  height: auto !important;
}

/* styles.css */
#containerRowRight.collapse:not(.show) {
  display: none;
}

/* CUSTOMIZE THE CAROUSEL
-------------------------------------------------- */

/* Carousel base class */
.carousel {
  margin-bottom: 4rem;
}

/* Since positioning the image, we need to help out the caption */
.carousel-caption {
  bottom: 3rem;
  z-index: 10;
}

/* Declare heights because of positioning of img element */
.carousel-item {
  height: 32rem;
}

.carousel-item .card-text {
  /* specifically target carousel text */

  padding: 0 10px;
  /* Keep the padding */
}

.carousel-background {
  background-color: rgba(255, 255, 255, 0.9);
}

.controls-card {
  background-color: rgb(215, 24, 24);
  color: #95a3ab;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #b6161c;
  width: 100%; /* Ensure it takes up the full width */
  z-index: 1000;
}

.controls-card-body {
  background-color: rgb(29, 27, 27);
  color: #fcfdfe !important;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid #273445;
  width: 100%;

  z-index: 1000;
}

/* button styles are applied on top of Bootstrap styles */
.controls-button {
  background-color: #b6161c;
  color: #fcfdfe;
  padding: 2px 10px !important;
  z-index: 1000;
}

.controls-group {
  padding: 10px !important;
  border-bottom: 1px solid rgb(51, 51, 53);
}

/* styles.css */
#controlsPanelBody.collapse:not(.show),
#controlsPanelFooter.collapse:not(.show) {
  display: none;
}

.clickable {
  cursor: pointer;
}

.back-button {
  position: fixed;
  top: 10px;
  right: 10px;
}

.ControlsMenuButton {
  position: absolute;
  top: 10px;
  right: 100px;
  z-index: 1000;
}