html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.container,
.card,
.master-item,
.master-item > * {
  min-width: 0;
}

.master-list {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 430px), 1fr));
}

.campaign-create,
.campaign-edit {
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.campaign-create > button,
.campaign-edit > button,
.check-label {
  align-self: end;
}

.campaign-content-fields {
  grid-column: 1 / -1;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.campaign-content-fields summary {
  cursor: pointer;
  font-weight: 800;
}

.campaign-content-fields > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.campaign-content-fields textarea {
  min-height: 90px;
  resize: vertical;
}

.topbar,
.topbar nav {
  min-width: 0;
}

.topbar nav {
  scrollbar-width: thin;
}

.table-wrap {
  max-width: 100%;
}

.reward-redeem-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  align-items: end;
  gap: 24px;
  padding: 22px;
  margin-bottom: 14px;
}

.reward-redeem-card h2,
.reward-redeem-card p {
  margin-bottom: 6px;
}

.reward-redeem-card form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.reward-filters {
  grid-template-columns: 2fr 1fr auto;
}

.reward-code-cell {
  letter-spacing: 1.5px;
  white-space: nowrap;
}

.reward-status {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 7px;
  background: var(--panel2);
  font-size: 12px;
}

.reward-status.issued { color: var(--green); }
.reward-status.expired,
.reward-status.cancelled { color: var(--accent2); }
.reward-events { margin-top: 16px; }
.reward-events > summary { padding: 18px; cursor: pointer; font-weight: 800; }
.quiz-participation-list { display: grid; gap: 10px; }
.quiz-participation-item { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; }
.quiz-participation-item p { margin: 5px 0 0; }
.quiz-participation-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

@media (max-width: 760px) {
  .campaign-content-fields > div,
  .campaign-create,
  .campaign-edit {
    grid-template-columns: 1fr;
  }

  .master-item-head {
    align-items: flex-start;
  }

  .campaign-url {
    overflow-wrap: anywhere;
  }

  .topbar {
    min-height: 58px;
  }

  .topbar nav {
    gap: 10px;
  }

  .container {
    width: calc(100% - 16px);
  }

  .page-head {
    align-items: stretch;
    flex-direction: column;
  }

  .page-head > .button {
    width: 100%;
  }

  .master-tabs button {
    white-space: nowrap;
  }

  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .reward-redeem-card,
  .reward-redeem-card form {
    grid-template-columns: 1fr;
  }

  .quiz-participation-item { align-items: stretch; flex-direction: column; }
  .quiz-participation-actions { justify-content: stretch; }
  .quiz-participation-actions form,
  .quiz-participation-actions button { width: 100%; }

  .reward-filters {
    grid-template-columns: 1fr 1fr auto;
  }
}

@media (max-width: 420px) {
  .topbar {
    padding: 0 8px;
    gap: 8px;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .topbar nav a {
    font-size: 12px;
  }

  .topbar nav a:nth-child(2) {
    display: none;
  }

  .master-item,
  .campaign-content-fields {
    padding: 12px;
  }

  .filters,
  .quiz-filters {
    grid-template-columns: 1fr;
  }

  .reward-filters {
    grid-template-columns: 1fr;
  }

  .filters input:first-child {
    grid-column: auto;
  }

  .stat-grid,
  .quiz-stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}