.rng-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  align-items: end;
}

.rng-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rng-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rng-field input,
.rng-field select {
  width: 100%;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  font: inherit;
  background: var(--bg-white);
  color: var(--text-primary);
}

.rng-length-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.rng-length-tab {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.rng-length-tab.active {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff;
  border-color: var(--accent-purple);
}

.rng-mode-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.rng-mode-tab {
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-white);
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 10px 18px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.rng-mode-tab.active {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff;
  border-color: var(--accent-purple);
}

.rng-mode-panel {
  display: none;
}

.rng-mode-panel.active {
  display: block;
}

.rng-scam-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-white);
  padding: 12px 14px;
  margin-top: 14px;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.rng-scam-note strong {
  color: var(--text-primary);
}

.rng-note {
  margin-top: 14px;
}

.rng-length-field {
  margin-top: 14px;
}

.rng-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.rng-card {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-white);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rng-username {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.rng-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.rng-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.rng-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.rng-badge-available {
  background: #d1fae5;
  color: #065f46;
}

.rng-badge-taken {
  background: #fee2e2;
  color: #991b1b;
}

.rng-badge-unknown {
  background: #f3f4f6;
  color: var(--text-secondary);
}

.rng-badge-checking {
  background: #fef3c7;
  color: #92400e;
}

.rng-check-link {
  font-size: 0.78rem;
  color: var(--accent-purple);
  text-decoration: none;
  margin-left: auto;
  white-space: nowrap;
}

.rng-check-link:hover {
  text-decoration: underline;
}

.rng-empty {
  border: 1px dashed var(--border-light);
  border-radius: 10px;
  padding: 16px;
  color: var(--text-secondary);
  grid-column: 1 / -1;
}

.rng-availability-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.rng-availability-toggle label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-weight: 600;
}

.rng-checker-result {
  margin-top: 12px;
}

/* ── Duo / Matching mode ─────────────────────────────────────────────────── */

.rng-duo-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

.rng-duo-card {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-white);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rng-duo-theme {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-purple);
}

.rng-duo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-top: 1px dashed var(--border-light);
  padding-top: 8px;
}

.rng-duo-row:first-of-type {
  border-top: none;
  padding-top: 0;
}

.rng-duo-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

/* ── Clan Tag Builder ─────────────────────────────────────────────────────── */

.rng-tag-builder {
  display: grid;
  gap: 14px;
}

.rng-tag-style-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rng-tag-style {
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.95rem;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.rng-tag-style.active {
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  color: #fff;
  border-color: var(--accent-purple);
}

.rng-tag-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-white);
  padding: 16px;
}

.rng-tag-preview-text {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-primary);
  word-break: break-word;
}