*{box-sizing:border-box;margin:0;padding:0}html{font-size:62.5%}body{background:#e0e0e0;min-height:100vh;font-family:-apple-system,Segoe UI,Roboto,sans-serif;font-size:1.6rem}#root{width:100%;margin:0 auto}.app-layout{flex-direction:column;max-width:92vw;height:95vh;margin:20px auto 0;display:flex}.top-bar{justify-content:flex-end;align-items:center;margin-bottom:12px;display:flex}.top-bar-actions{align-items:center;gap:8px;display:flex}.main-content{flex:1;gap:16px;min-height:0;display:flex}.panel{background:#d9d9d9;border-radius:12px;padding:16px}.chat-panel{flex-direction:column;flex:2;display:flex;overflow:hidden}.sidebar{flex-direction:column;flex:1;gap:16px;display:flex}.dashboard-panel{flex:2;overflow-y:auto}.upload-panel{flex-direction:column;flex:1;align-items:center;gap:12px;padding:24px 16px;display:flex}.drop-zone{text-align:center;cursor:pointer;border:2px dashed #999;border-radius:8px;width:100%;padding:32px 16px;transition:border-color .2s,background .2s}.drop-zone:hover,.drop-zone.drag-over{background:#0d94880d;border-color:#0d9488}.drop-zone p{color:#666;margin:0;font-size:14px}.file-list{width:100%;margin:0;padding:0;font-size:14px;list-style:none}.file-list li{border-bottom:1px solid #ddd;justify-content:space-between;align-items:center;padding:4px 8px;display:flex}.file-list li button{cursor:pointer;color:#c0392b;background:0 0;border:none;font-size:14px}.upload-panel h3,.dashboard-panel h3{margin:0 0 8px;font-size:18px}.task-select{cursor:pointer;background:#f0f0f0;border:2px solid #0d9488;border-radius:8px;outline:none;width:100%;padding:8px 12px;font-size:14px}.task-select:focus{border-color:#065f56}.upload-panel p,.dashboard-panel p{color:#666;margin:0;font-size:14px}.theme-toggle{cursor:pointer;background:#fff;border:2px solid #333;border-radius:8px;padding:6px 10px;font-size:20px}.logout-btn{color:#fff;cursor:pointer;background:#c0392b;border:none;border-radius:8px;padding:10px 14px;font-size:15px}.messages{background:#f0f0f0;border:1px solid #ddd;border-radius:8px;flex:1;padding:16px;overflow-y:auto}.message{word-wrap:break-word;border-radius:8px;max-width:100%;margin-bottom:12px;padding:10px 14px;font-size:18px;line-height:1.5;overflow-x:auto}.message strong{font-size:17px;font-weight:700}.message.user{color:#e2e8f0;background:linear-gradient(135deg,#065f56,#0d9488);border-radius:12px 12px 4px;width:fit-content;max-width:70%;margin-left:auto;box-shadow:0 2px 6px #065f564d}.message.assistant{color:#333;background:#e9e9e9;max-width:100%}.input-bar{gap:8px;margin-top:12px;display:flex}.input-bar input{background:#f0f0f0;border:2px solid #0d9488;border-radius:8px;outline:none;flex:1;padding:10px;font-size:18px}.input-bar input:focus{border-color:#065f56}.input-bar button{color:#fff;cursor:pointer;background:#0d9488;border:none;border-radius:8px;padding:10px 20px;font-size:16px}.upload-panel .upload-btn{color:#fff;cursor:pointer;background:#0d6694;border:none;border-radius:8px;padding:10px 20px;font-size:16px;font-weight:600}.input-bar button:disabled{background:#ccc}.input-bar .upload-btn:disabled{opacity:.4;background:0 0}.disclaimer{text-align:center;color:#333;margin:18px 0 0;font-size:16px}.disclaimer.sub{margin:4px 0 0;font-size:12px}.app-layout.dark .panel{color:#eee;background:#1e1e1e}.app-layout.dark .messages{background:#1a1a1a;border-color:#444}.app-layout.dark .message.assistant{color:#eee;background:#3a3a3a}.app-layout.dark .input-bar input{color:#eee;background:#2a2a2a;border-color:#065f56}.app-layout.dark .theme-toggle{background:#444;border-color:#eee}.app-layout.dark .logout-btn{color:#eee;border-color:#444}.app-layout.dark .disclaimer{color:#ddd}.app-layout.dark .upload-panel p,.app-layout.dark .dashboard-panel p,.app-layout.dark .drop-zone p{color:#aaa}.app-layout.dark .drop-zone{border-color:#555}.app-layout.dark .task-select{color:#eee;background:#2a2a2a;border-color:#065f56}.app-layout.dark .drop-zone:hover,.app-layout.dark .drop-zone.drag-over{background:#0d94881a;border-color:#0d9488}.app-layout.dark .file-list li{border-color:#444}.login-container{text-align:center;background:#0a2e2a;border-radius:12px;max-width:500px;margin-top:100px;margin-left:auto;margin-right:auto;padding:60px 40px}.login-container h2{color:#ccc;margin-bottom:20px}.login-container p{color:#ccc;margin-bottom:30px;font-size:2rem}.login-btn{color:#fff;cursor:pointer;background:#0d9488;border:none;border-radius:8px;margin-top:16px;padding:12px 24px;font-size:16px;text-decoration:none;display:inline-block}.copyright{color:#888;margin-top:2rem;font-size:1.5rem}.message table{border-collapse:collapse;white-space:nowrap;width:100%;margin:8px 0;font-size:16px;display:block;overflow-x:auto}.message th,.message td{text-align:left;border:1px solid #999;padding:8px 12px}.message th{color:#fff;background:#0d9488;border-color:#4db6ac;font-size:17px;font-weight:700;position:sticky;top:0}.message pre{background:#f5f5f5;border-radius:6px;padding:10px;font-size:13px;overflow-x:auto}.message code{font-family:monospace;font-size:13px}.app-layout.dark .message th{color:#fff;background:#065f56}.app-layout.dark .message th,.app-layout.dark .message td{border-color:#555}.app-layout.dark .message pre{background:#2a2a2a}