:root {
    --primary: white;
    --theme: mediumpurple;
    --dark-theme: rgb(127, 93, 193);
    --meta: #777;
    --bg-light: #fdfbff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-align: center;
}

body {
    width: 100%;
    background-color: var(--meta);
    font-family: system-ui, -apple-system, sans-serif;
    scrollbar-width: thin;
    scrollbar-color: var(--theme) transparent;
}

/* --- Header Section --- */
header {
    background: var(--primary);
    width: 100%;
    height: 150px;
    border-bottom-left-radius: 12px;
    border-bottom-right-radius: 12px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
}

header h1 {
    color: var(--theme);
    font-size: 2rem;
    letter-spacing: 2px;
}

.logo {
    color: var(--meta);
    font-family: fantasy;
    font-size: 0.8rem;
    margin-top: 10px;
    text-transform: uppercase;
}

/* --- Navigation --- */
.nav { 
    display: flex; 
    gap: 20px; }
.nav a { 
    color: var(--theme); 
    text-decoration: none; 
    font-weight: 600;
}

.menu-btn { 
    display: none; 
    font-size: 28px; 
    cursor: pointer;
    color: var(--theme);
}

/* --- Chat Container --- */
.contact {
    margin: 20px auto;
    width: 90%;
    max-width: 900px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 25px;
    border: 1px solid #eee;
}

#chatWindow {
    scrollbar-width: thin;
    scrollbar-color: var(--theme) transparent;
    flex: 1; 
    overflow-y: auto; 
    text-align: left; 
    padding: 20px; 
    background: #fdfbff; 
    border-radius: 12px; 
    margin-bottom: 20px; 
    border: 1px solid mediumpurple;
}

/* Custom Message Bubbles */
#chatWindow p {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 10px;
    max-width: 85%;
    line-height: 1.5;
    font-size: 1rem;
}

.interactive{
    display: flex; 
    gap: 10px; 
    align-items: center;
}

/* --- Input & Buttons --- */
input {
    border: 2px solid #eee;
    border-radius: 50px;
    outline: none;
    transition: 0.3s;
    padding-left: 20px !important;
}

input:focus {
    border-color: var(--theme);
}

.submit {
    color: var(--primary);
    background-color: var(--theme);
    font-weight: bold;
    border: none;
    transition: 0.3s;
}

.submit:hover {
    background-color: var(--dark-theme);
    transform: translateY(-2px);
}

#chatWindow{
    max-width: 97%; 
    height: 75vh; 
    flex: 1; 
    overflow-y: auto; 
    text-align: left; 
    padding: 20px; 
    background: #fdfbff; 
    border-radius: 12px; 
    margin-bottom: 20px; 
    border: 1px solid #eee; 
    margin:auto; 
    margin-top:45px;
    margin-bottom: 20px;
}

.betatxt{
    color: mediumpurple; 
    text-align: left;
}

#sendBtn{
    width: 120px; 
    height: 50px; 
    border-radius: 22px; 
    cursor: pointer;
}

#status{
    font-size: 0.8rem; 
    color: #777; 
    display: non;
}

#userInput{
    flex: 1; 
    height: 50px; 
    text-align: left; 
    padding: 10px;
    margin-left: 5px;
}

footer {
    color: var(--meta);
    margin: 40px auto;
    padding: 20px;
    font-size: 0.9rem;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {
    header { height: 120px; }
    .nav { display: none; }
    .menu-btn { display: block; }
    .contact { width: 95%; height: 70vh !important; }
    
    .nav.show {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        right: 20px;
        background: white;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        z-index: 100;
    }
}