body {
    --text: hsl(0 0% 15%);
    padding: 2.5rem;
    font-family: sans-serif;
    color: var(--text);
}

body.dark-theme {
    --text: hsl(0 0% 90%);
    background-color: hsl(223 39% 7%);
}

main {
    max-width: 80rem;
    text-align: center;
}

section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

a {
    color: var(--text);
}

form {
    width: 30rem;
    margin: 0 auto;
    border-radius: 3px;
}

input {
    width: 100%;
    border-radius: 3px;
}

button {
    cursor: pointer;
    border-radius: 3px;
}

.text-gen-output {
    min-height: 1.2rem;
    margin: 1rem;
    border: 0.5px solid grey;
    border-radius: 3px;
}

#chat-box {
    width: 60%;
    height: 40vh;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 1rem;
    border-radius: 3px;
    resize: none;
}

#chat-input {
    width: 60%;
    height: 3rem;
    overflow-y: auto;
    resize: none;
    border-radius: 3px;
}

.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none; /* Initially hidden */
}

.spinner {
    border: 8px solid rgba(255, 255, 255, 0.3);
    border-top: 8px solid white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.user-message {
    text-align: right;
    margin: 0.5rem 0;
}

.bot-reply {
    text-align: left;
    margin: 0.5rem 0;
}