* {
  box-sizing: border-box;
}

.App {
  text-align: center;
  margin: 2em;
}

.c_board {
  margin: 1em;
}

/* The cell wrapper itself adds no box, so its inner <button> lays out
   directly inside the .row (preserving the float-based 5-column grid). */
bingo-cell {
  display: contents;
}

@media (min-width: 300px) {
  .row button {
    float: left;
    width: 20%;
    padding: 10px;
    background-color: #aaa;
    border-color: #000000;
    border-style: solid;
    height: 100px;
    font-size: xx-small;
  }
}

@media (min-width: 767px) {
  .row button {
    float: left;
    width: 20%;
    padding: 10px;
    background-color: #aaa;
    border-color: #000000;
    border-style: solid;
    height: 100px;
    font-size: medium;
  }
}

@media (min-width: 992px) {
  .row button {
    float: left;
    width: 20%;
    padding: 10px;
    background-color: #aaa;
    border-color: #000000;
    border-style: solid;
    height: 100px;
    font-size: medium;
  }

  .row button {
    font-size: xx-small;
  }
}

@media (min-width: 1200px) {
  .row button {
    float: left;
    width: 20%;
    padding: 10px;
    background-color: #aaa;
    border-color: #000000;
    border-style: solid;
    height: 100px;
  }
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

textarea {
  height: 250px !important;
}

.entries-section {
  margin: 1.5em 0;
  text-align: left;
}

.entries-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.entry-count {
  font-variant-numeric: tabular-nums;
  color: #666;
}

.entry-count.enough {
  color: #198754;
  font-weight: bold;
}

.entry-list {
  margin: 0.5em 0;
}

.entry-row {
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.4em;
}

.entry-num {
  width: 2em;
  text-align: right;
  color: #888;
  font-variant-numeric: tabular-nums;
}

.entry-input {
  flex: 1;
  padding: 0.4em 0.6em;
  font-size: medium;
}

.entry-remove {
  border: none;
  background: transparent;
  color: #c00;
  cursor: pointer;
  font-size: 1em;
  line-height: 1;
  padding: 0.2em 0.4em;
}

.entry-remove:hover {
  color: #900;
}

.add-entry {
  margin-top: 0.3em;
  padding: 0.4em 0.8em;
  cursor: pointer;
}

.entry-help {
  margin-top: 0.5em;
  min-height: 1.2em;
  color: #666;
}

.entry-help.ready {
  color: #198754;
  font-weight: bold;
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.share {
  clear: both;
  margin-top: 1.5em;
}

.share-btn {
  padding: 0.5em 1em;
  font-size: medium;
  cursor: pointer;
}

.share-status {
  margin-left: 0.75em;
  font-size: small;
}

.share-url {
  display: block;
  width: 100%;
  margin-top: 0.75em;
  padding: 0.5em;
  font-family: monospace;
}