.challenge-winners {
  text-align: center;
  padding: 28px 20px;
  border-radius: 20px;
  background: linear-gradient(180deg, #fff7ed 0%, #fff 100%);
  border: 1px solid #fed7aa;
}

.challenge-winners__list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
  text-align: left;
}

.challenge-winners__row {
  display: flex;
  justify-content: space-between;
  padding: 12px 14px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid #fde68a;
  font-weight: 600;
}

.challenge-form__hidden { display: none; }

.challenge-widget-mount:empty { display: none; }

.challenge-page__list {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.challenge-page__aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.challenge-widget__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.challenge-widget__phase {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.challenge-widget__phase--active { background: rgba(52, 211, 153, 0.25); }
.challenge-widget__phase--paused { background: rgba(251, 191, 36, 0.28); }
.challenge-widget__phase--upcoming { background: rgba(129, 140, 248, 0.28); }
.challenge-widget__phase--completed { background: rgba(255, 255, 255, 0.12); }

.challenge-widget__prize {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(253, 230, 138, 0.18);
  border: 1px solid rgba(253, 230, 138, 0.35);
  color: #fff7dc;
  font-size: 0.88rem;
  line-height: 1.55;
}

.challenge-widget__countdown {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.challenge-widget__countdown-val {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
}

.challenge-widget__countdown--sm .challenge-widget__countdown-val { font-size: 1.35rem; }

.challenge-widget__countdown-label {
  font-size: 0.78rem;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.challenge-widget__progress-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.challenge-lb { margin-top: 4px; }

.challenge-lb__toggle {
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  opacity: 0.9;
  list-style: none;
}

.challenge-lb__toggle::-webkit-details-marker { display: none; }

.challenge-lb__body { margin-top: 10px; display: grid; gap: 6px; }

.challenge-lb__row {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  font-size: 0.82rem;
}

.challenge-lb__avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
}

.challenge-lb__avatar--initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fde68a, #f59e0b);
  color: #3b2f00;
  font-size: 0.62rem;
  font-weight: 800;
}

.challenge-lb__rank { font-weight: 800; opacity: 0.7; }
.challenge-lb__name { font-weight: 700; }
.challenge-lb__val { font-weight: 800; opacity: 0.9; }
.challenge-lb__empty { font-size: 0.84rem; opacity: 0.75; margin: 0; }

.challenge-card__badge--paused { background: #fef3c7; color: #92400e; }
.challenge-card__badge--draft { background: #f3f4f6; color: #6b7280; }

.challenge-admin { display: grid; gap: 14px; }
.challenge-admin__list { display: grid; gap: 10px; }
.challenge-admin__item {
  padding: 14px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.challenge-admin__item.is-active { border-color: var(--primary); background: #f8f9ff; }
.challenge-admin__item-head { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.challenge-admin__controls { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.challenge-admin__status {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
}

.challenge-admin__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  margin-top: 10px;
}

.challenge-admin__table th,
.challenge-admin__table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.challenge-admin__pending { margin-top: 16px; display: grid; gap: 10px; }
.challenge-admin__pending-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.challenge-form__check { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; }

.challenge-modal__file {
  display: grid;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 600;
}

.challenge-toast-root {
  position: fixed;
  top: 88px;
  right: 20px;
  z-index: 1300;
  display: grid;
  gap: 10px;
  max-width: min(360px, calc(100vw - 32px));
}

.challenge-toast {
  padding: 14px 16px;
  border-radius: 14px;
  background: #1a2680;
  color: #fff;
  font-size: 0.88rem;
  line-height: 1.45;
  box-shadow: 0 12px 32px rgba(26, 38, 128, 0.28);
  animation: challengeToastIn 0.25s ease;
}

.challenge-toast--warn { background: #92400e; }
.challenge-toast.is-out { opacity: 0; transform: translateY(-6px); transition: 0.3s; }

@keyframes challengeToastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .challenge-page__grid { grid-template-columns: 1fr; }
}