.rag-body {
    background: #050508;
    padding: 20px;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-container {
    height: 90vh;
    display: flex;
    flex-direction: column;
    padding: 30px;
    max-width: 900px !important;
}

.engine-status {
    font-size: 0.75rem;
    color: var(--neon-blue);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
}

.pulse {
    width: 6px;
    height: 6px;
    background: var(--neon-blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 229, 255, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 255, 0); }
}

.chat-window {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 0;
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Custom Scrollbar */
.chat-window::-webkit-scrollbar { width: 4px; }
.chat-window::-webkit-scrollbar-track { background: transparent; }
.chat-window::-webkit-scrollbar-thumb { background: rgba(255,135,0,0.2); border-radius: 10px; }

.message {
    max-width: 85%;
    display: flex;
    flex-direction: column;
}

.message.system { align-self: flex-start; }
.message.user { align-self: flex-end; }

.msg-content {
    padding: 16px 20px;
    border-radius: 20px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.system .msg-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.user .msg-content {
    background: var(--mclaren-orange);
    color: #000;
    font-weight: 500;
    border-radius: 20px 20px 4px 20px;
}

.sources {
    margin-top: 20px;
    display: grid;
    gap: 12px;
}

.sources p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--neon-blue);
    font-weight: 700;
}

.source-item {
    background: rgba(0, 229, 255, 0.03);
    border-left: 2px solid var(--neon-blue);
    padding: 12px;
    border-radius: 0 8px 8px 0;
}

.source-title {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.source-date {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.source-text {
    font-size: 0.8rem;
    color: #a0a0b0;
    font-style: italic;
    margin-top: 8px;
}

.chat-input-area {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.input-wrapper {
    display: flex;
    gap: 12px;
}

#userInput {
    flex-grow: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 14px 20px;
    color: #fff;
    outline: none;
    transition: all 0.3s;
}

#userInput:focus {
    border-color: var(--mclaren-orange);
}

#sendBtn {
    background: var(--mclaren-orange);
    color: #000;
    border: none;
    padding: 0 24px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

#sendBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 135, 0, 0.4);
}

.input-hint {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 10px;
    text-align: center;
}

.loading .msg-content {
    opacity: 0.5;
    font-style: italic;
}

.rag-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.75rem;
}

.rag-footer a {
    color: var(--mclaren-orange);
    text-decoration: none;
    font-weight: 700;
}

.rag-footer a:hover {
    filter: brightness(1.2);
}