.event-banner{display:block;width:100%;height:clamp(190px,38vw,330px);object-fit:cover;border-radius:24px 24px 8px 8px;box-shadow:0 20px 50px rgba(6,28,95,.14)}
.participant-heading{padding:8px 4px 18px}
.participant-files{margin-top:34px}
.participant-files h2{font-size:22px}
.participant-file-list{display:grid;gap:10px}
.participant-file-list article{display:flex;align-items:center;gap:14px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px}
.participant-file-thumb{display:grid;place-items:center;width:72px;height:72px;flex:0 0 72px;object-fit:cover;border-radius:10px;background:var(--wash);color:var(--accent);font-size:11px;font-weight:900}
.participant-file-list strong,.participant-file-list small{display:block;overflow-wrap:anywhere}
.participant-file-list small,.empty-own-files{color:var(--muted)}
.closed-message{padding:24px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:18px}
.preview-return{margin-top:26px}
.auth-login,.auth-logout{border:0!important;border-radius:9px!important;color:#fff!important;box-shadow:none!important}
.auth-login{background:#16834a!important}
.auth-logout{background:#d43838!important}
@media(max-width:600px){.event-banner{height:210px;border-radius:18px 18px 7px 7px}.participant-file-thumb{width:58px;height:58px;flex-basis:58px}}