#ellie-button {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #000;
    color: #fff;
    border-radius: 50%;
    border: 1px solid #333;
    box-shadow:
        0 0 10px rgba(255,255,255,0.08),
        0 4px 12px rgba(0,0,0,0.45),
        inset 0 0 4px rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Segoe UI", "Roboto", sans-serif;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
    z-index: 99999;
}
#ellie-button:hover {
    transform: scale(1.1);
    background: #111;
    box-shadow:
        0 0 14px rgba(255,255,255,0.15),
        0 6px 16px rgba(0,0,0,0.55),
        inset 0 0 6px rgba(255,255,255,0.15);
}
#ellie-button:active { transform: scale(0.95); }

#ellie-window {
    position: fixed;
    bottom: 95px;
    right: 25px;
    width: 320px;
    height: 420px;
    background: #111;
    border-radius: 10px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    z-index: 99999;
}

#ellie-header {
    background: #000;
    color: #fff;
    padding: 12px;
    font-size: 15px;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid #222;
}

#ellie-messages {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
    font-family: sans-serif;
    color: #eee;
    font-size: 14px;
    display: flex;
    flex-direction: column;
}

#ellie-input-area {
    display: flex;
    border-top: 1px solid #222;
    background: #000;
}

#ellie-input {
    flex: 1;
    padding: 10px;
    font-size: 14px;
    background: #111;
    border: none;
    outline: none;
    color: #fff;
}

#ellie-send {
    width: 50px;
    background: #222;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
}
#ellie-send:hover { background: #333; }

.ellie-msg {
    margin-bottom: 10px;
    padding: 8px 10px;
    border-radius: 6px;
    max-width: 90%;
    line-height: 1.4;
}
.ellie-bot {
    background: #222;
    color: #fff;
    align-self: flex-start;
    animation: ellieFadeIn 0.25s ease-out;
}
.ellie-user {
    background: #0a84ff;
    color: #fff;
    align-self: flex-end;
    animation: ellieFadeIn 0.2s ease-out;
}

@keyframes ellieFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}