:root{--bg:#f4f5f7;--surface:#fff;--border:#e5e7eb;--text:#1f2937;--muted:#6b7280;--primary:#6366f1;--up:#10b981;--down:#ef4444}*{box-sizing:border-box;margin:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif}.app{max-width:1100px;margin:0 auto;padding:24px 20px 48px}.app-header h1{margin-bottom:20px;font-size:22px;font-weight:600}.cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:6px;padding:18px 20px;display:flex}.card-label{color:var(--muted);font-size:13px}.card-value{font-size:26px;font-weight:600}.card-delta{font-size:13px}.card-delta.up{color:var(--up)}.card-delta.down,.card.error,.panel.error{color:var(--down)}.skeleton{background:linear-gradient(90deg,#eee,#f5f5f5,#eee);min-height:96px}.grid{grid-template-columns:1fr 340px;align-items:start;gap:16px;display:grid}.col-main,.col-side{flex-direction:column;gap:16px;display:flex}.charts-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.panel{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px 20px}.panel h3{margin-bottom:14px;font-size:15px;font-weight:600}.muted{color:var(--muted);font-size:14px}.txn-list{flex-direction:column;list-style:none;display:flex}.txn{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:10px 0;display:flex}.txn:last-child{border-bottom:none}.txn-main{flex-direction:column;flex:1;display:flex}.txn-desc{font-size:14px;font-weight:500}.txn-meta{color:var(--muted);font-size:12px}.txn-amount{font-size:14px;font-weight:600}.txn-del{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:20px;line-height:1}.txn-del:hover{color:var(--down)}.form{flex-direction:column;gap:12px;display:flex}.form label{color:var(--muted);flex-direction:column;gap:4px;font-size:13px;display:flex}.form input,.form select{border:1px solid var(--border);border-radius:8px;padding:9px 10px;font-size:14px}.form-error{color:var(--down);font-size:13px}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:10px;font-size:14px;font-weight:500}.btn-primary:disabled{opacity:.6;cursor:default}.chat-placeholder{text-align:center;border:1px dashed var(--border);border-radius:8px;justify-content:center;align-items:center;min-height:120px;margin-bottom:12px;padding:16px;display:flex}.chat-input-row{align-items:flex-end;gap:8px;display:flex}.chat-input-row textarea{border:1px solid var(--border);font:inherit;resize:none;border-radius:8px;flex:1;min-height:38px;max-height:120px;padding:9px 10px;overflow-y:auto}.chat-messages{flex-direction:column;gap:8px;min-height:160px;max-height:320px;margin-bottom:12px;display:flex;overflow-y:auto}.chat-msg{white-space:pre-wrap;border-radius:10px;max-width:90%;padding:8px 12px;font-size:14px;line-height:1.45}.chat-msg.user{background:var(--primary);color:#fff;align-self:flex-end}.chat-msg.assistant{background:var(--bg);align-self:flex-start}.app-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.app-header h1{margin-bottom:0}.header-right{align-items:center;gap:12px;display:flex}.btn-ghost{border:1px solid var(--border);cursor:pointer;color:var(--text);background:0 0;border-radius:8px;padding:7px 12px;font-size:13px}.auth-wrap{flex-direction:column;justify-content:center;align-items:center;gap:20px;min-height:100vh;display:flex}.auth-header{justify-content:center;margin-bottom:0}.auth-card{width:360px}.auth-card h2{margin-bottom:16px;font-size:18px}.auth-switch{cursor:pointer;text-align:center;margin-top:4px}.auth-switch:hover{text-decoration:underline}@media (width<=860px){.grid,.charts-row{grid-template-columns:1fr}}