/* ------------------- Core Styles ------------------- */
:root {
    --primary-color: #00ffff;
    --primary-glow: rgba(0, 255, 255, 0.6);
    --secondary-color: #0096ff;
    --accent-color: #9333ea;
    --dark-bg: #000428;
    --darker-bg: #000210;
    --panel-bg: rgba(0, 10, 40, 0.75);
    --neon-shadow: 0 0 10px var(--primary-glow), 0 0 20px rgba(0, 150, 255, 0.4);
  }
  
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html, body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: radial-gradient(circle, var(--dark-bg), var(--darker-bg));
    color: #ddd;
  }
  
  /* Custom Scrollbar */
  ::-webkit-scrollbar {
    width: 4px;
    background-color: rgba(0, 10, 30, 0.5);
  }
  
  ::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
  }
  
  /* ------------------- Canvas Containers ------------------- */
  #three-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
  }
  
  #p5-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
  }
  
  /* ------------------- Main Chat UI ------------------- */
  #chat-wrapper {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
    z-index: 2;
    display: flex;
  }
  
  /* ------------------- Neural Processing Overlay ------------------- */
  #neural-processing {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 4, 40, 0.85);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s, visibility 0.5s;
  }
  
  #neural-processing.active {
    opacity: 1;
    visibility: visible;
  }
  
  .processing-content {
    text-align: center;
  }
  
  .processing-animation {
    width: 300px;
    height: 300px;
    margin: 0 auto 20px;
    position: relative;
  }
  
  .processing-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5em;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow);
    letter-spacing: 1px;
  }
  
  .synapse-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
  }
  
  /* Neural network nodes and synapses will be generated by JS */
  .neural-node {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--primary-glow);
  }
  
  .neural-synapse {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    height: 2px;
    transform-origin: left center;
  }
  
  .synapse-pulse {
    position: absolute;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px white, 0 0 20px var(--primary-color);
  }
  
  /* ------------------- Letter Pool ------------------- */
  #letter-pool,
#temp-letter-pool {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  user-select: none;
  z-index: 1;
  pointer-events: none;
}

#letter-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}
  
  .pool-letter,
  .temp-letter {
    position: absolute;
    color: rgba(0, 255, 255, 0.2);
    font-family: 'Orbitron', sans-serif;
    font-weight: 300;
    transition: opacity 0.5s;
    text-shadow: 0 0 3px var(--primary-glow);
  }
  
  .invisible {
    opacity: 0;
  }
  
  .overlay-letter {
    position: absolute;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
    font-weight: 600;
    font-size: 1.2em;
    transition: all 1.5s, opacity 0.5s;
    transition-timing-function: ease-in-out;
    text-shadow: 0 0 8px var(--primary-glow);
    z-index: 10;
  }
  
  .overlay-letter.in-flight {
    animation: pulse-letter 1s ease-in-out infinite;
  }
/* Permanent neon letter */
.neon-letter {
  display: inline-block !important;
  position: static !important;
  color: var(--primary-color) !important;
  font-family: 'Orbitron', sans-serif !important;
  font-weight: 500 !important;
  font-size: 1em !important;
  text-shadow: 0 0 5px var(--primary-glow), 
               0 0 10px var(--primary-glow), 
               0 0 20px var(--primary-glow) !important;
  animation: neon-pulse 3s infinite alternate !important;
  margin: 0 1px !important;
  opacity: 1 !important;
  visibility: visible !important;
}
/* Special handling for space characters */
/* Special handling for space characters */
.neon-letter[data-letter=" "] {
  margin: 0 0.25em !important;
}

/* Pulse animation for neon letters */

  @keyframes pulse-letter {
    0% {
      color: rgba(0, 255, 255, 0.3);
      text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
      transform: scale(1);
    }
    50% {
      color: var(--primary-color);
      text-shadow: 0 0 15px var(--primary-glow), 0 0 30px rgba(0, 150, 255, 0.6);
      transform: scale(1.3);
    }
    100% {
      color: rgba(0, 255, 255, 0.3);
      text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
      transform: scale(1);
    }
  }
  /* Subtle pulsing animation for permanent neon letters */
@keyframes neon-pulse {
  0% {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-glow),
                 0 0 10px var(--primary-glow);
  }
  50% {
    color: #00e6e6;
    text-shadow: 0 0 5px var(--primary-glow),
                 0 0 10px var(--primary-glow),
                 0 0 15px var(--primary-glow),
                 0 0 20px var(--primary-glow);
  }
  100% {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-glow),
                 0 0 10px var(--primary-glow);
  }
}

  /* ------------------- Suggestion Panel ------------------- */
  #suggestion-panel {
    position: relative;
    width: 280px;
    height: 100%;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    z-index: 2;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    border-right: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: inset -5px 0 20px rgba(0, 255, 255, 0.1);
    transition: all 0.5s ease;
  }
  
  #suggestion-panel:hover {
    box-shadow: inset -5px 0 30px rgba(0, 255, 255, 0.2);
  }
  
  #welcome-user {
    margin-top: 0;
    font-size: 1.2em;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px var(--primary-glow);
    letter-spacing: 1px;
  }
  
  .suggestion-section {
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
  }
  
  .suggestion-section:before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
  }
  
  .suggestion-section h3 {
    font-size: 1em;
    margin: 0 0 10px 0;
    color: var(--primary-color);
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 5px var(--primary-glow);
    letter-spacing: 1px;
  }
  
  .suggestion-list {
    list-style: none;
    padding-left: 0;
    margin: 0;
  }
  
  .suggestion-list li {
    margin: 8px 0;
    padding: 6px 10px;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .suggestion-list li:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-color);
    transition: all 0.3s;
    opacity: 0;
    z-index: -1;
  }
  
  .suggestion-list li:hover {
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-glow);
    background: rgba(0, 255, 255, 0.1);
    padding-left: 15px;
  }
  
  .suggestion-list li:hover:before {
    opacity: 1;
    box-shadow: 0 0 10px var(--primary-glow);
  }
  
  /* ------------------- Chat Message Window ------------------- */
  #chat-message-window {
    position: relative;
    flex: 1;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
  }
  
  /* Top toolbar */
  #top-toolbar {
    position: relative;
    height: 60px;
    width: 100%;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 3;
    display: flex;
    align-items: center;
  }
  
  #agent-selection {
    display: flex;
    align-items: center;
    margin-left: 20px;
  }
  
  #agent-selection label {
    margin-right: 8px;
    font-weight: 500;
    color: var(--primary-color);
    text-shadow: 0 0 5px var(--primary-glow);
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
  }
  
  #agent-selection select {
    background: rgba(0, 20, 40, 0.6);
    border: 1px solid var(--primary-color);
    border-radius: 4px;
    color: #fff;
    padding: 6px 10px;
    outline: none;
    font-size: 0.9em;
    margin-right: 15px;
    transition: all 0.3s;
    box-shadow: 0 0 5px var(--primary-glow);
  }
  
  #agent-selection select:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 10px var(--primary-glow);
  }
  
  /* Message area */
  #chat-message-column-wrapper {
    flex: 1;
    overflow-y: auto;
    position: relative;
    padding: 20px;
    scroll-behavior: smooth;
  }
  
  #chat-message-column {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 80px;
  }
  
  /* Message input */
  #message-input-wrapper {
    position: relative;
    width: 100%;
    height: 90px;
    background: linear-gradient(to top, var(--panel-bg) 70%, transparent);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
    border-top: 1px solid rgba(0, 255, 255, 0.1);
  }
  
  #message-input {
    width: 80%;
    max-width: 800px;
    height: 50px;
    background: rgba(0, 20, 40, 0.6);
    border-radius: 25px;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    transition: all 0.3s;
    border: 1px solid rgba(0, 255, 255, 0.2);
  }
  
  #message-input:focus-within {
    box-shadow: 0 0 20px var(--primary-glow);
    border-color: var(--primary-color);
  }
  
  #message-input-field {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    color: #f0f0f0;
    font-size: 1em;
    font-weight: 300;
    margin: 0 15px;
    caret-color: var(--primary-color);
  }
  
  #message-input-field::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }
  
  #send-message-button {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.3s;
    background: rgba(0, 20, 40, 0.8);
  }
  
  #send-message-button i {
    font-size: 1.2em;
    color: rgba(255, 255, 255, 0.4);
    transition: all 0.3s;
  }
  
  #message-input.send-enabled #send-message-button {
    background: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
    animation: pulse 2s infinite;
  }
  
  #message-input.send-enabled #send-message-button i {
    color: #000428;
  }
  
  @keyframes pulse {
    0% {
      box-shadow: 0 0 0 0 var(--primary-glow);
    }
    70% {
      box-shadow: 0 0 0 10px rgba(0, 255, 255, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(0, 255, 255, 0);
    }
  }
  
  /* ------------------- Messages ------------------- */
  .message {
    margin-bottom: 25px;
    display: flex;
    align-items: flex-start;
    opacity: 0;
    transform: translateY(20px);
    animation: messageAppear 0.5s forwards;
  }
  
  @keyframes messageAppear {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .message.received {
    flex-direction: row;
  }
  
  .message.sent {
    flex-direction: row-reverse;
  }
  /* Make original span letters invisible */
.message .text span {
  opacity: 0;
  color: transparent;
}

/* Enhanced message bubble styling */
.message.received .content {
  background: rgba(0, 10, 30, 0.85);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 
              inset 0 0 15px rgba(0, 255, 255, 0.1);
}

.message.sent .content {
  background: rgba(0, 20, 40, 0.85);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 
              inset 0 0 15px rgba(0, 255, 255, 0.15);
}

.message .content,
.message .profile-icon {
  opacity: 1 !important;
}

/* Text container styling */
.message .text {
  line-height: 1.4;
  color: transparent;
}
  .profile-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 0 10px var(--primary-glow);
    margin: 0 10px;
    flex-shrink: 0;
    opacity: 0;
    transform: scale(0.5);
    animation: iconAppear 0.5s forwards 0.2s;
  }
  
  @keyframes iconAppear {
    to {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  .profile-icon i {
    font-size: 1.2em;
    color: #000428;
  }
  
  .content {
    max-width: 70%;
    border-radius: 18px;
    padding: 12px 18px;
    position: relative;
    opacity: 0;
    transform-origin: left top;
    animation: contentAppear 0.5s forwards 0.3s;
  }
  
  .message.received .content {
    background: rgba(0, 20, 40, 0.7);
    border-top-left-radius: 4px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2), inset 0 0 10px rgba(0, 255, 255, 0.1);
  }
  
  .message.sent .content {
    background: rgba(0, 40, 80, 0.7);
    border-top-right-radius: 4px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2), inset 0 0 10px rgba(0, 255, 255, 0.2);
  }
  
  @keyframes contentAppear {
    0% {
      opacity: 0;
      transform: scale(0.8);
    }
    50% {
      opacity: 1;
      transform: scale(1.05);
    }
    100% {
      opacity: 1;
      transform: scale(1);
    }
  }
  
  .text {
    color: #f0f0f0;
    font-size: 1em;
    font-weight: 300;
    margin: 0;
    word-wrap: break-word;
    line-height: 1.5;
  }
  
  .text span {
    display: inline-block;
  }
  
  /* Typing indicator */
  .typing-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-color);
    margin: 0 2px;
  }
  
  @keyframes pulse {
    0%, 100% {
      opacity: 0.3;
      transform: scale(0.8);
    }
    50% {
      opacity: 1;
      transform: scale(1.2);
      box-shadow: 0 0 8px var(--primary-glow);
    }
  }
  
  /* ------------------- Knowledge Panel ------------------- */
  #knowledge-panel {
    position: absolute;
    bottom: 100px;
    right: 20px;
    width: 280px;
    padding: 15px;
    background: var(--panel-bg);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.4), 0 0 10px var(--primary-glow);
    z-index: 10;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s;
  }
  
  #knowledge-panel.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  #knowledge-panel label {
    font-size: 0.9em;
    color: var(--primary-color);
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 8px;
    display: block;
    text-shadow: 0 0 5px var(--primary-glow);
  }
  
  #knowledge-search {
    width: 100%;
    background: rgba(0, 20, 40, 0.8);
    border: 1px solid rgba(0, 255, 255, 0.3);
    color: #fff;
    padding: 8px 10px;
    border-radius: 4px;
    outline: none;
    margin-bottom: 10px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
  }
  
  #knowledge-search:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow), inset 0 0 5px rgba(0, 0, 0, 0.3);
  }
  
  #knowledge-options {
    list-style: none;
    max-height: 150px;
    overflow-y: auto;
  }
  
  #knowledge-options li {
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s;
    margin-bottom: 3px;
  }
  
  #knowledge-options li:hover {
    background: rgba(0, 255, 255, 0.1);
    color: var(--primary-color);
  }
  
  /* ------------------- Footer ------------------- */
  #footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 5px 0;
    background: rgba(0, 10, 20, 0.8);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 0.8em;
    z-index: 100;
    border-top: 1px solid rgba(0, 255, 255, 0.1);
  }
  
  #footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s;
  }
  
  #footer a:hover {
    text-shadow: 0 0 5px var(--primary-glow);
  }
  
  /* ------------------- Utility Classes ------------------- */
  .hidden {
    display: none;
  }
  
  /* ------------------- Toggle Buttons ------------------- */
  #toggle-panel {
    position: absolute;
    top: 12px;
    left: 10px;
    width: 40px;
    height: 40px;
    background: rgba(0, 20, 40, 0.8);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 11;
    border: 1px solid rgba(0, 255, 255, 0.3);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
  }
  
  #toggle-panel:hover {
    background: rgba(0, 40, 60, 0.8);
    box-shadow: 0 0 10px var(--primary-glow);
  }
  
  #toggle-panel i {
    color: var(--primary-color);
    font-size: 1.2em;
  }
  
  /* Knowledge Toggle Button */
  #knowledge-toggle {
    position: absolute;
    bottom: 100px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--panel-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 9;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
  }
  
  #knowledge-toggle:hover {
    box-shadow: 0 0 15px var(--primary-glow);
  }
  
  #knowledge-toggle i {
    color: var(--primary-color);
    font-size: 1.3em;
    text-shadow: 0 0 5px var(--primary-glow);
  }
  
  /* ------------------- Responsive Design ------------------- */
  @media (max-width: 900px) {
    #message-input {
      width: 90%;
    }
  }
  
  @media (max-width: 768px) {
    #suggestion-panel {
      position: absolute;
      left: -280px;
      transition: left 0.5s ease;
    }
    
    #suggestion-panel.active {
      left: 0;
    }
    
    #toggle-panel {
      display: flex;
    }
    
    #chat-message-window {
      width: 100%;
    }
    
    .content {
      max-width: 80%;
    }
    
    #knowledge-panel {
      width: 250px;
      right: 10px;
    }
  }
  
  @media (max-width: 480px) {
    #agent-selection {
      margin-left: 10px;
      flex-wrap: wrap;
    }
    
    #agent-selection label {
      font-size: 0.8em;
    }
    
    #agent-selection select {
      font-size: 0.8em;
      margin-right: 8px;
      padding: 4px 8px;
    }
    
    .content {
      max-width: 85%;
      padding: 10px 15px;
    }
    
    .profile-icon {
      width: 32px;
      height: 32px;
    }
    
    #knowledge-panel {
      width: 90%;
      left: 5%;
      right: 5%;
    }
    
    .processing-animation {
      width: 200px;
      height: 200px;
    }
    
    .processing-text {
      font-size: 1.2em;
    }
  }
  /* Add this to your CSS file to support permanent neon letters */

/* Animated overlay letter during flight */
.overlay-letter {
  position: absolute;
  color: var(--primary-color);
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  font-size: 1.2em;
  transition: all 1.5s, opacity 0.5s;
  transition-timing-function: ease-in-out;
  text-shadow: 0 0 8px var(--primary-glow);
}

/* Animation during flight */
.overlay-letter.in-flight {
  animation: pulse-letter 1s ease-in-out;
}

/* Permanent neon letter that stays in the message */
.overlay-letter.permanent-letter {
  position: static;
  display: inline-block;
  color: var(--primary-color);
  text-shadow: 0 0 8px var(--primary-glow), 0 0 15px var(--primary-glow);
  transition: none;
  font-weight: 600;
  animation: gentle-glow 3s infinite alternate;
}

/* Gentle glow animation for permanent letters */
@keyframes gentle-glow {
  0% {
    text-shadow: 0 0 8px var(--primary-glow), 0 0 15px var(--primary-glow);
    color: var(--primary-color);
  }
  100% {
    text-shadow: 0 0 10px var(--primary-glow), 0 0 20px var(--primary-glow), 0 0 30px var(--primary-glow);
    color: #ffffff;
  }
}

/* Pulsing animation during flight */
@keyframes pulse-letter {
  0% {
    color: rgba(0, 255, 255, 0.3);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
    transform: scale(1);
  }
  50% {
    color: var(--primary-color);
    text-shadow: 0 0 15px var(--primary-glow), 0 0 30px rgba(0, 150, 255, 0.6);
    transform: scale(1.3);
  }
  100% {
    color: rgba(0, 255, 255, 0.3);
    text-shadow: 0 0 5px rgba(0, 255, 255, 0.3);
    transform: scale(1);
  }
}

/* Space characters need special handling for the permanent letters */
.overlay-letter.permanent-letter[data-letter=" "] {
  margin: 0 0.25em;
}

/* Make the original text elements fully invisible */
.message .text span {
  opacity: 0;
}

/* Enhance the overall message bubble to complement the neon letters */
.message.received .content {
  background: rgba(0, 10, 30, 0.8);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), inset 0 0 20px rgba(0, 255, 255, 0.1);
}

.message.sent .content {
  background: rgba(0, 20, 40, 0.8);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), inset 0 0 20px rgba(0, 255, 255, 0.2);
}