.activity-toolbar{display:flex;justify-content:space-between;align-items:center;gap:32px;padding:28px;border:1px solid #ffffff1a;background:#121c29;border-radius:20px;margin-bottom:22px}
.activity-toolbar h2{font-size:24px;margin:0 0 10px;color:#e8eef8}.activity-toolbar p,.activity-note{font-size:13px;color:#97aac0;line-height:1.7;margin:0}
.activity-controls{flex:0 1 490px;min-width:0}.activity-controls label{display:block;font-size:13px;color:#c7d5e7;margin-bottom:9px}.activity-input-row{display:flex;gap:10px}.activity-input-row input{min-width:0;flex:1;border:1px solid #91b2dc40;background:#0d1724;border-radius:12px;padding:13px 15px;color:#ecf3ff;font-size:18px;outline:none}.activity-input-row input:focus{border-color:#95bdf0;box-shadow:0 0 0 3px #85ade71a}.activity-input-row button{border:1px solid #abcaf240;background:#d1e2f8;color:#1c304b;border-radius:12px;font-size:14px;padding:12px 18px;cursor:pointer;white-space:nowrap}.activity-input-row button:disabled{opacity:.4;cursor:not-allowed}.activity-controls #activity-status{margin-top:8px;min-height:22px}
.activity-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.activity-card{overflow:hidden;border:1px solid #ffffff1c;border-radius:18px;background:#111923}.activity-card-head{padding:18px 18px 12px;min-height:88px}.activity-card h3{font-size:14px;color:#e8eef8;margin:0 0 8px;line-height:1.5}.activity-card small{font-size:12px;color:#8fa6bf}.activity-stage{height:170px;margin:0 16px;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;background-color:#2d3745;background-image:linear-gradient(45deg,#ffffff09 25%,transparent 25%),linear-gradient(-45deg,#ffffff09 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#ffffff09 75%),linear-gradient(-45deg,transparent 75%,#ffffff09 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}.activity-stage canvas{max-width:100%;height:auto}.activity-card button{display:block;width:calc(100% - 32px);margin:16px;border:1px solid #ffffff20;background:#ffffff06;color:#c9d9ed;border-radius:10px;padding:11px;cursor:pointer}.activity-card button:hover:not(:disabled){background:#89b7f21c;border-color:#89b7f270}.activity-card button:disabled{opacity:.35;cursor:not-allowed}.activity-note{margin-top:18px}
@media(max-width:1100px){.activity-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.activity-toolbar{align-items:stretch;flex-direction:column;gap:20px}.activity-controls{flex:auto}}
@media(max-width:520px){.activity-grid{grid-template-columns:1fr}.activity-toolbar{padding:20px}.activity-input-row{flex-direction:column}.vi-tabs{max-width:100%;overflow-x:auto}}
#activity-retry{border:1px solid #8caed34d;border-radius:8px;background:#93b7e51a;color:#c9d9ed;padding:7px 14px;margin-top:8px;cursor:pointer}