/* =========================================================
   Random Group Generator — tool-specific styles.
   Layered on /tools/_shared/tool.css.
   ========================================================= */

/* ---------- Controls row ---------- */
.grouper-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}
@media (min-width: 640px) {
  .grouper-controls {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
  .btn-generate {
    grid-column: 1 / -1;
  }
}

/* ---------- Mode segment ---------- */
.grouper-mode {
  display: inline-flex;
  padding: 4px;
  background: var(--surface-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0;
  border-style: solid;
}
.grouper-segment {
  position: relative;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: calc(var(--radius) - 4px);
  transition: var(--transition-colors);
  white-space: nowrap;
}
.grouper-segment input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.grouper-segment:hover { color: var(--text); }
.grouper-segment:has(input:checked) {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.grouper-segment input:focus-visible + span {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Number input ---------- */
.grouper-number {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.grouper-number-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.grouper-number input[type="number"] {
  width: 96px;
  padding: 10px 14px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  background: var(--surface-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: var(--transition-colors);
  font-variant-numeric: tabular-nums;
}
.grouper-number input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}

/* ---------- Generate button ---------- */
.btn-generate {
  font-size: 16px;
  min-height: 52px;
  letter-spacing: -0.005em;
}

/* ---------- Names input ---------- */
.grouper-input {
  margin-bottom: var(--space-6);
}
.grouper-input-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.grouper-input-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}
.grouper-status {
  font-size: 13px;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.grouper-status strong {
  font-weight: 700;
  color: var(--text);
}
.grouper-input textarea {
  width: 100%;
  resize: vertical;
  min-height: 160px;
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-inset);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  line-height: 1.55;
  transition: var(--transition-colors);
}
.grouper-input textarea::placeholder { color: var(--text-subtle); }
.grouper-input textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.grouper-input-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.grouper-input-action {
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  font-size: 13px;
}

/* ---------- Result ---------- */
.grouper-result {
  margin-top: var(--space-2);
}
.grouper-result-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.grouper-result-actions {
  display: inline-flex;
  gap: var(--space-4);
}

.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 0;
  cursor: pointer;
}
.btn-link:hover { color: var(--accent-hover); text-decoration: underline; }

.groups-output {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-3);
}
.groups-empty {
  grid-column: 1 / -1;
  color: var(--text-subtle);
  font-size: 14px;
  margin: 0;
  padding: var(--space-4);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.group-card {
  background: var(--surface-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
  transition: var(--transition-colors), transform 0.18s ease;
  animation: groupIn 0.32s ease both;
}
.group-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}
.group-card-name {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.005em;
}
.group-card-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.group-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.group-card-list li {
  font-size: 14px;
  color: var(--text);
  padding-left: 14px;
  position: relative;
}
.group-card-list li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
}

@keyframes groupIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Print ---------- */
@media print {
  .tool-header,
  .tool-footer,
  .grouper-controls,
  .grouper-input,
  .grouper-result-actions,
  .article,
  .attenda-cta,
  .skip-link { display: none !important; }
  body { background: #fff !important; color: #000 !important; }
  .widget-card {
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  .group-card {
    background: #fff !important;
    border: 1px solid #999 !important;
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .group-card-name { color: #000 !important; }
  .groups-output {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
}