Synthwave style for Quill widget

Synthwave

:root {
    --neon-pink: #ff2e97;
    --neon-cyan: #05d9e8;
    --neon-purple: #b537f2;
    --grid: rgba(181, 55, 242, 0.25);
    --ai-font-family: "Courier New", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    color: #eafcff;
    font-family: var(--ai-font-family);
    background: linear-gradient(180deg, #1a0033 0%, #2d0a4e 60%, #0d0221 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, transparent, #000 60%);
    animation: drift 8s linear infinite;
}
@keyframes drift { to { background-position: 0 40px, 40px 0; } }

#ai-chat {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    z-index: 1;
}

#ai-chat-header {
    padding: 14px 18px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: 0 0 8px var(--neon-cyan);
    border-bottom: 1px solid var(--neon-purple);
}
#ai-chat-header::before { content: "▶ "; color: var(--neon-pink); }

#ai-chat-feed {
    flex: 1;
    overflow-y: auto;
    padding: 16px 18px;
}

.row {
    margin: 12px 0;
    padding: 10px 14px;
    max-width: 78%;
    border-radius: 4px;
    line-height: 1.5;
    white-space: pre-wrap;
    animation: pop 0.25s ease-out;
}
@keyframes pop {
    from { opacity: 0; transform: translateY(8px) scale(0.98); }
    to   { opacity: 1; transform: none; }
}

.row.assistant {
    background: rgba(5, 217, 232, 0.08);
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 12px rgba(5, 217, 232, 0.35);
    color: #d6fbff;
}
.row.assistant::before {
    content: "SYS://";
    display: block;
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--neon-cyan);
    opacity: 0.7;
    margin-bottom: 4px;
}

.row.user {
    margin-left: auto;
    background: linear-gradient(135deg, var(--neon-pink), var(--neon-purple));
    color: #fff;
    box-shadow: 0 0 14px rgba(255, 46, 151, 0.5);
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.4);
}

#ai-chat-form {
    display: flex;
    gap: 10px;
    padding: 14px 18px;
    border-top: 1px solid var(--neon-purple);
    background: rgba(13, 2, 33, 0.6);
    backdrop-filter: blur(4px);
}

#ai-chat-input {
    flex: 1;
    padding: 12px 14px;
    color: var(--neon-cyan);
    font-family: var(--ai-font-family);
    font-size: 14px;
    background: #12002b;
    border: 1px solid var(--neon-purple);
    border-radius: 4px;
    outline: none;
    transition: box-shadow 0.2s;
}
#ai-chat-input::placeholder { color: rgba(5, 217, 232, 0.4); }
#ai-chat-input:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 12px var(--neon-cyan);
}

#ai-chat-form button {
    padding: 12px 22px;
    border: 0;
    border-radius: 4px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    color: #12002b;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    box-shadow: 0 0 14px rgba(5, 217, 232, 0.6);
    transition: transform 0.1s, box-shadow 0.2s;
}
#ai-chat-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 22px rgba(255, 46, 151, 0.8);
}
#ai-chat-form button:active { transform: translateY(1px); }

#ai-chat-feed::-webkit-scrollbar { width: 8px; }
#ai-chat-feed::-webkit-scrollbar-thumb {
    background: var(--neon-purple);
    border-radius: 4px;
    box-shadow: 0 0 8px var(--neon-purple);
}