:root{--bg-black: #0a0a0a;--bg-green: #0d1f14;--border-pink: #ff6ec7;--text-white: #f2f2f2;--pad: 12px}*{box-sizing:border-box}body{background:var(--bg-black);color:var(--text-white);font-family:system-ui,sans-serif;margin:0;overflow:hidden;height:100vh}#root{height:100vh;display:flex;flex-direction:column}.panel{background:var(--bg-green);border:1px solid var(--border-pink);padding:var(--pad)}button{background:var(--bg-black);color:var(--text-white);border:1px solid var(--border-pink);padding:6px 12px;cursor:pointer;font-size:.85rem}button:hover{background:var(--bg-green)}button:disabled{opacity:.5;cursor:default}input[type=text],input[type=password]{background:var(--bg-black);color:var(--text-white);border:1px solid #555;padding:6px 10px;font-size:.85rem;width:100%}input:focus{outline:none;border-color:var(--border-pink)}header.app-header{text-align:center;padding:var(--pad);border-bottom:1px solid var(--border-pink);flex-shrink:0}header.app-header h1{margin:0;font-size:1.4rem}header.app-header .sub{margin:0;font-size:.8rem;color:#aaa}footer.app-footer{text-align:center;padding:6px;font-size:.7rem;color:#888;border-top:1px solid var(--border-pink);flex-shrink:0}.app-shell{flex:1;display:flex;flex-direction:column;height:100%}.layout-4tier{flex:1;display:flex;overflow:hidden}.left-col{width:380px;min-width:280px;display:flex;flex-direction:column;border-right:1px solid var(--border-pink);overflow:hidden;flex-shrink:0}.right-col{flex:1;position:relative;overflow:hidden}.login-overlay{height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-black)}.login-form{width:300px;display:flex;flex-direction:column;gap:10px}.login-form h2{margin:0;text-align:center}.login-form .sub{text-align:center;color:#aaa;font-size:.8rem;margin:0}.login-form .error{color:#f55;font-size:.8rem;margin:0}.search-panel{border-bottom:1px solid var(--border-pink);padding:var(--pad);background:var(--bg-green);overflow-y:auto;flex-shrink:0;max-height:40%}.search-form{display:flex;gap:6px}.search-form input{flex:1}.search-results{list-style:none;margin:8px 0 0;padding:0}.search-results li{padding:6px 0;border-bottom:1px solid #222;cursor:pointer}.search-results li:hover{background:#ff6ec71a}.search-results .score{float:right;color:#aaa;font-size:.75rem}.search-results p{margin:2px 0 0;font-size:.75rem;color:#aaa}.viewer{flex:1;overflow-y:auto;min-height:100px}.viewer.empty-state{display:flex;align-items:center;justify-content:center;color:#666;font-style:italic}.viewer.scrollable{overflow-y:auto}.viewer-actions{display:flex;gap:8px;margin:8px 0}.media-preview{max-width:100%;display:block;margin:8px 0}.media-error{color:#f55;font-size:.85rem}.media-pending{color:#888;font-style:italic}.markdown-body{font-size:.85rem;line-height:1.5}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:.5rem 0}.markdown-body p{margin:.3rem 0}.markdown-body a{color:var(--border-pink)}.mindmap-container{width:100%;height:100%}.voice-chat{position:fixed;bottom:0;left:0;z-index:100}.voice-chat.collapsed{width:auto}.voice-chat.expanded{width:380px;max-height:50vh;display:flex;flex-direction:column}.voice-toggle{width:100%;border-radius:0}.voice-body{flex:1;display:flex;flex-direction:column;background:var(--bg-green);border:1px solid var(--border-pink);border-top:none;overflow:hidden}.voice-messages{flex:1;overflow-y:auto;padding:var(--pad)}.voice-messages .msg{margin:4px 0;font-size:.85rem}.voice-messages .msg.user{color:var(--border-pink)}.voice-messages .msg.assistant{color:var(--text-white)}.voice-input{display:flex;border-top:1px solid var(--border-pink)}.voice-input input{flex:1;border:none}.voice-input button{border:none;border-left:1px solid var(--border-pink)}