.activity-section{margin:28px 0 34px;padding:26px;border:1px solid rgba(255,255,255,.12);border-radius:28px;background:linear-gradient(145deg,rgba(10,29,24,.86),rgba(15,46,36,.72));box-shadow:0 24px 70px rgba(0,0,0,.24);backdrop-filter:blur(14px)}
.activity-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:20px}.activity-kicker{display:block;font-size:.74rem;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--accent,#b9ff6a);margin-bottom:7px}.activity-head h2{margin:0;font-size:clamp(1.7rem,3vw,2.55rem);line-height:1}.activity-head p{margin:8px 0 0;max-width:680px;color:rgba(255,255,255,.72)}
.activity-actions{display:flex;gap:10px;flex-wrap:wrap}.activity-actions a{white-space:nowrap}
.activity-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}.activity-summary article{padding:16px 18px;border-radius:19px;background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.1)}.activity-summary strong{display:block;font-size:1.45rem;color:#fff}.activity-summary span{display:block;margin-top:3px;font-size:.84rem;color:rgba(255,255,255,.66)}
.activity-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.activity-panel{border-radius:22px;padding:20px;background:rgba(6,18,15,.48);border:1px solid rgba(255,255,255,.1)}.activity-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.activity-panel__head h3{margin:0;font-size:1.12rem;color:#fff}.activity-panel__head a{font-size:.85rem;font-weight:800;color:var(--accent,#b9ff6a);text-decoration:none}
.activity-winners{display:grid;gap:10px}.activity-winner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:12px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.075)}.activity-winner__icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#f5d76e,#b88921);box-shadow:0 8px 22px rgba(218,174,54,.22)}.activity-winner strong{display:block;color:#fff}.activity-winner small{display:block;color:rgba(255,255,255,.62);margin-top:2px}.activity-winner__score{font-weight:900;color:var(--accent,#b9ff6a);white-space:nowrap}
.activity-empty{padding:20px;border:1px dashed rgba(255,255,255,.18);border-radius:16px;color:rgba(255,255,255,.68);text-align:center}
.activity-rhythm{display:grid;gap:12px}.activity-rhythm__item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.075)}.activity-rhythm__icon{width:36px;height:36px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;background:rgba(185,255,106,.13);color:var(--accent,#b9ff6a);font-weight:900}.activity-rhythm__item strong{display:block;color:#fff}.activity-rhythm__item span{display:block;color:rgba(255,255,255,.62);font-size:.88rem;margin-top:3px;line-height:1.45}
@media(max-width:820px){.activity-head{align-items:flex-start;flex-direction:column}.activity-grid{grid-template-columns:1fr}.activity-summary{grid-template-columns:1fr}.activity-actions{width:100%}.activity-actions a{flex:1;text-align:center}.activity-winner{grid-template-columns:auto 1fr}.activity-winner__score{grid-column:2}}
@media(max-width:520px){.activity-section{padding:18px;border-radius:22px}.activity-actions{flex-direction:column}.activity-actions a{width:100%}.activity-panel{padding:15px}}