#nigeria-challenge {position:fixed;right:16px;top:74px;z-index:20;width:342px;max-height:calc(100dvh - 148px);overflow:auto;box-sizing:border-box;padding:14px;background:#fffdf8;color:#12233f;border:1px solid #e3ddd0;border-radius:14px;box-shadow:0 8px 28px #20372d22;font:14px/1.45 system-ui,sans-serif}
#nigeria-context #nigeria-challenge {position:static;flex-shrink:0;width:auto;max-height:none;overflow:visible;margin:10px 0 4px;box-shadow:none}
/* A collapsed panel still carries a running challenge: it grows to fit the card (which has its own fold) rather than hiding it. */
#nigeria-context.is-collapsed:has(> #nigeria-challenge:not([hidden])) {height:auto;max-height:calc(100dvh - 120px);width:min(342px,calc(100vw - 20px))}
#nigeria-challenge[hidden],#nigeria-challenge .challenge-rematch[hidden],#nigeria-challenge .challenge-copy[hidden] {display:none}
#nigeria-challenge header {display:flex;align-items:center;justify-content:space-between;gap:8px}
#nigeria-challenge h2 {font:22px Georgia,serif;margin:0}
#nigeria-challenge p {margin:10px 0}
#nigeria-challenge label {display:block;margin:10px 0;font-weight:600}
#nigeria-challenge input {display:block;width:100%;box-sizing:border-box;margin-top:4px;padding:8px;border:1px solid #b8c7ba;border-radius:7px;font:inherit}
#nigeria-challenge progress {width:100%;accent-color:#008751}
#nigeria-challenge button,#nigeria-challenge .challenge-rematch {display:inline-flex;align-items:center;min-height:44px;padding:8px;border:1px solid #b8c7ba;border-radius:7px;background:#edf4e9;color:#1f4734;font:inherit;cursor:pointer;text-decoration:none}
#nigeria-challenge .challenge-actions {display:flex;gap:8px;flex-wrap:wrap}
#nigeria-challenge .challenge-clock {font-weight:700;color:#007347}
#nigeria-challenge .challenge-opponent {font-weight:600}
#nigeria-challenge.is-folded .challenge-body {display:none}
@media(max-width:600px) {#nigeria-challenge {right:8px;top:auto;bottom:8px;width:min(342px,calc(100vw - 16px));max-height:48dvh;padding:10px;font-size:12px}#nigeria-context #nigeria-challenge {width:auto;max-height:none}#nigeria-challenge h2 {font-size:18px}}