#ai-assistant-root {
  --ai-primary: #0195c1;
  --ai-bg-main: #131314;
  --ai-bg-sidebar: #1e1f20;
  --ai-text: #e3e3e3;
  --ai-border: #444746;
  --ai-sidebar-width: 250px;
  --ai-user-bubble: #37393b;
  --ai-user-text: #e3e3e3;
  --ai-scroll-track: transparent;
  --ai-scroll-thumb: #444746;
  --ai-scroll-thumb-hover: #555857;
  font-family: 'Inter', sans-serif;
}

#ai-assistant-root.light-mode {
  --ai-bg-main: #ffffff;
  --ai-bg-sidebar: #f0f4f9;
  --ai-text: #1f1f1f;
  --ai-border: #c4c7c5;
  --ai-scroll-thumb: #c4c7c5;
  --ai-scroll-thumb-hover: #abaeb0;
  --ai-user-bubble: #017ba1; 
  --ai-user-text: #ffffff;
}

/* --- ADVANCED AI PRESENCE (Realistic Style) --- */
.ai-presence-container {
    position: relative;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.neural-core {
    width: 14px;
    height: 14px;
    background: var(--ai-primary);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--ai-primary), inset 0 0 5px rgba(255,255,255,0.8);
    animation: coreBreathe 2.5s ease-in-out infinite;
    z-index: 5;
}

.orbital-ring {
    position: absolute;
    border: 1px solid rgba(1, 149, 193, 0.3);
    border-radius: 50%;
    animation: ringRotate 4s linear infinite;
}

.ring-1 { width: 28px; height: 28px; border-top-color: var(--ai-primary); }
.ring-2 { width: 40px; height: 40px; border-bottom-color: var(--ai-primary); animation-duration: 6s; animation-direction: reverse; }

/* Processing State */
.ai-presence-container.processing {
    transform: scale(1.15);
}

.ai-presence-container.processing .neural-core {
    background: #ff0095;
    box-shadow: 0 0 25px #ff0095, 0 0 40px #7000ff;
    animation: coreActive 0.8s ease-in-out infinite alternate;
}

.ai-presence-container.processing .orbital-ring {
    border-color: rgba(255, 0, 149, 0.4);
    animation-duration: 1.5s;
}

@keyframes coreBreathe {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; filter: brightness(1.2); }
}

@keyframes coreActive {
    from { transform: scale(1); filter: hue-rotate(0deg); }
    to { transform: scale(1.4); filter: hue-rotate(45deg); }
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- Existing Styles Preserved --- */

#ai-assistant-root .landing-container { flex: 1; display: flex; align-items: center; justify-content: center; padding: 40px; text-align: center; }
#ai-assistant-root .hue-headline {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.2;
  background: linear-gradient(45deg, #333, #333, #7000ff, #ff0095);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: hueShift 10s linear infinite;
}

@keyframes hueShift {
  from { background-position: 200% center; }
  to { background-position: -200% center; }
}

#ai-assistant-root *::-webkit-scrollbar { width: 6px; }
#ai-assistant-root *::-webkit-scrollbar-track { background: var(--ai-scroll-track); }
#ai-assistant-root *::-webkit-scrollbar-thumb { background: var(--ai-scroll-thumb); border-radius: 10px; transition: background 0.2s ease; }
#ai-assistant-root *::-webkit-scrollbar-thumb:hover { background: var(--ai-scroll-thumb-hover); }

#ai-assistant-root .chat-widget { background: var(--ai-bg-main); display: flex; height: 100vh; width: 100vw; overflow: hidden; color: var(--ai-text); position: relative; }
#ai-assistant-root .widget-sidebar { width: var(--ai-sidebar-width); flex-shrink: 0; background: var(--ai-bg-sidebar); display: flex; flex-direction: column; transition: margin-left 0.3s ease; z-index: 10; }
#ai-assistant-root .widget-sidebar.collapsed { margin-left: calc(var(--ai-sidebar-width) * -1); border-right: none; }

#ai-assistant-root .history-item { padding: 10px 16px; margin: 4px 12px; border-radius: 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; color: var(--ai-text); position: relative; }
#ai-assistant-root .history-item:hover, #ai-assistant-root .history-item.active { background: rgba(128,128,128,0.2); }
#ai-assistant-root .options-trigger { opacity: 0; padding: 5px; cursor: pointer; transition: opacity 0.2s; }
#ai-assistant-root .history-item:hover .options-trigger { opacity: 1; }
#ai-assistant-root .options-menu { display: none; position: absolute; right: 10px; top: 35px; background: var(--ai-bg-sidebar); border-radius: 8px; z-index: 1000; width: 130px; box-shadow: 0 4px 12px rgba(0,0,0,0.5); }
#ai-assistant-root .options-menu.open { display: block; }
#ai-assistant-root .menu-item { padding: 10px 12px; font-size: 0.85rem; cursor: pointer; color: var(--ai-text); display: flex; align-items: center; gap: 10px; }
#ai-assistant-root .menu-item:hover { background: rgba(128,128,128,0.1); }

#ai-assistant-root .sidebar-footer { padding: 10px 15px; border-top: 1px solid var(--ai-border); position: relative; }
#ai-assistant-root .settings-trigger { width: 100%; padding: 10px; background: transparent; color: var(--ai-text); border: none; border-radius: 20px; cursor: pointer; display: flex; align-items: center; gap: 12px; font-size: 0.9rem; transition: background 0.2s; }
#ai-assistant-root .settings-trigger:hover { background: rgba(128, 128, 128, 0.2); }
#ai-assistant-root .settings-menu { display: none; position: absolute; bottom: 60px; left: 15px; right: 15px; background: var(--ai-bg-sidebar); border: 1px solid var(--ai-border); border-radius: 12px; z-index: 1001; box-shadow: 0 4px 15px rgba(0,0,0,0.4); }
#ai-assistant-root .settings-menu.open { display: block; }
#ai-assistant-root .settings-option { padding: 12px 15px; font-size: 0.85rem; cursor: pointer; color: var(--ai-text); display: flex; align-items: center; gap: 10px; }
#ai-assistant-root .settings-option:hover { background: rgba(128, 128, 128, 0.1); }
#ai-assistant-root .settings-option.danger { color: #ff5252; }

#ai-assistant-root .chat-container { 
    flex: 1; 
    overflow-y: auto; 
    padding: 40px 20px; 
    display: flex; 
    flex-direction: column; 
    gap: 10px; 
    scrollbar-width: thin; 
    scrollbar-color: var(--ai-scroll-thumb) var(--ai-scroll-track);
    max-width: 850px;
    width: 100%;
    margin: 0 auto;
}

#ai-assistant-root .message { display: flex; width: 100%; margin-bottom: 8px; }
#ai-assistant-root .user-msg { justify-content: flex-end; } 
#ai-assistant-root .bubble { max-width: 85%; padding: 8px 12px; border-radius: 15px; line-height: 1.4; font-size: 1rem; word-wrap: break-word; }
#ai-assistant-root .user-msg .bubble { background: var(--ai-user-bubble); color: var(--ai-user-text); border-bottom-right-radius: 4px; }
#ai-assistant-root .assistant-msg .bubble { background: transparent; border: none; color: var(--ai-text); padding-left: 0; }

/* Loader */
#ai-assistant-root .fancy-loader { display: flex; gap: 4px; padding: 4px 0; }
#ai-assistant-root .fancy-loader span {
  width: 16px; height: 16px;
  background: var(--ai-primary);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}
#ai-assistant-root .fancy-loader span:nth-child(1) { animation-delay: -0.32s; }
#ai-assistant-root .fancy-loader span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}

#ai-assistant-root .input-area { padding: 15px; background: var(--ai-bg-main); }
#ai-assistant-root .input-wrapper { 
    background: var(--ai-bg-sidebar); 
    border-radius: 24px; 
    padding: 8px 20px; 
    display: flex; 
    align-items: center; 
    gap: 12px;
    max-width: 850px;
    margin: 0 auto;
}
#ai-assistant-root textarea { flex: 1; background: none; border: none; color: var(--ai-text); outline: none; font-size: 1rem; resize: none; }

#ai-assistant-root pre { font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 14px; position: relative; margin: 10px 0; padding: 30px 12px 12px 12px !important; background: #0d0d0d !important; border-radius: 8px; border: 1px solid var(--ai-border); }
#ai-assistant-root .ai-copy-btn { position: absolute; top: 5px; right: 10px; background: #2a2a2a; color: #e3e3e3; border: 1px solid #444746; border-radius: 4px; padding: 2px 8px; font-size: 11px; cursor: pointer; transition: all 0.2s; z-index: 10; }
#ai-assistant-root .ai-copy-btn:hover { background: #3d3d3d; border-color: var(--ai-primary); }