:root {
    --neon-green: #0f0;
    --neon-blue: #00d1ff;
    --dark-bg: #0d0d0d;
}

body {
    background-color: var(--dark-bg);
    color: var(--neon-green);
    font-family: 'Orbitron', sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-shadow: 
        0 0 5px var(--neon-green), 
        0 0 10px var(--neon-green), 
        0 0 20px var(--neon-blue), 
        0 0 40px var(--neon-blue);
}

#chat-container {
    border: 2px solid var(--neon-blue);
    border-radius: 10px;
    box-shadow: 0 0 20px var(--neon-blue);
    width: 80%;
    max-width: 800px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    background-color: rgba(0, 20, 0, 0.5);
}

.neon-text {
    text-align: center;
    padding: 15px;
    margin: 0;
    border-bottom: 2px solid var(--neon-blue);
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--neon-blue);
    text-shadow: 0 0 7px var(--neon-blue);
}

#messages {
    list-style-type: none;
    margin: 0;
    padding: 20px;
    flex-grow: 1;
    overflow-y: auto;
}

#messages li {
    padding: 8px 12px;
    word-wrap: break-word;
}

#messages li:nth-child(odd) {
    background: rgba(0, 255, 0, 0.05);
}

#messages .ai-message {
    color: var(--neon-blue);
    font-weight: bold;
    text-shadow: 0 0 5px var(--neon-blue);
}

#form {
    display: flex;
    padding: 10px;
    border-top: 2px solid var(--neon-blue);
}

#input {
    background-color: var(--dark-bg);
    border: 1px solid var(--neon-green);
    color: var(--neon-green);
    flex-grow: 1;
    padding: 10px;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 5px var(--neon-green);
    outline: none;
    border-radius: 5px;
}

#input::placeholder {
    color: var(--neon-green);
    opacity: 0.7;
}

button {
    background: var(--dark-bg);
    border: 1px solid var(--neon-blue);
    padding: 10px 20px;
    color: var(--neon-blue);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 5px var(--neon-blue);
    cursor: pointer;
    margin-left: 10px;
    border-radius: 5px;
    transition: background-color 0.3s, box-shadow 0.3s;
}

button:hover {
    background-color: var(--neon-blue);
    color: var(--dark-bg);
    box-shadow: 0 0 15px var(--neon-blue);
    text-shadow: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--neon-blue);
  border-radius: 5px;
  box-shadow: 0 0 5px var(--neon-blue);
}

::-webkit-scrollbar-thumb:hover {
  background: #3cfaff; /* A lighter blue for hover */
}