/* encoding-toolkit — extracted from inline <style> */
.enc-io-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
@media (max-width: 767.98px) { .enc-io-grid { grid-template-columns: 1fr; } }
.enc-textarea {
  width: 100%; min-height: 180px; padding: 0.875rem; border-radius: 8px;
  border: 1px solid var(--evvy-border-color); background: var(--cluster-surface, #f8f9fa);
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.8125rem; line-height: 1.6; resize: vertical;
  color: var(--cluster-text, #1e293b); transition: border-color 0.2s;
}
.enc-textarea:focus {
  outline: none; border-color: var(--cluster-dark, #2563eb);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--cluster-dark, #2563eb) 15%, transparent);
}
.enc-pane-label {
  font-weight: 700; font-size: 0.8125rem; margin-bottom: 0.375rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.enc-pane-label .badge { font-weight: 600; font-size: 0.6875rem; }
.enc-swap-btn {
  display: flex; align-items: center; justify-content: center;
  background: var(--cluster-dark, #2563eb); color: #fff; border: none;
  border-radius: 50%; width: 36px; height: 36px; cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.2s;
  align-self: center; flex-shrink: 0;
}
.enc-swap-btn:hover { transform: rotate(180deg); box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.enc-stats-bar {
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; font-size: 0.75rem;
  color: var(--evvy-text-secondary); margin-top: 0.75rem; padding: 0.625rem 0.875rem;
  background: var(--cluster-surface, #f8f9fa); border-radius: 8px;
}
.enc-stats-bar span strong { font-weight: 700; color: var(--cluster-dark, #2563eb); }
.enc-quick-row {
  display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem;
}
.enc-quick-btn {
  padding: 0.375rem 0.875rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  border: 1px solid var(--evvy-border-color); background: var(--cluster-surface, #f8f9fa);
  color: var(--cluster-text, #1e293b); cursor: pointer; transition: all 0.2s;
}
.enc-quick-btn:hover {
  background: var(--cluster-dark, #2563eb); color: #fff;
  border-color: var(--cluster-dark, #2563eb);
}
.enc-format-info {
  margin-top: 0.75rem; padding: 0.75rem 1rem; border-radius: 8px;
  background: color-mix(in srgb, var(--cluster-dark, #2563eb) 6%, transparent);
  border-left: 3px solid var(--cluster-dark, #2563eb);
  font-size: 0.8125rem; color: var(--cluster-text, #1e293b);
}
.enc-format-info strong { color: var(--cluster-dark, #2563eb); }
/* ---- batch (premium) ---- */
.enc-batch-area {
  width: 100%; min-height: 140px; padding: 0.875rem; border-radius: 8px;
  border: 1px solid var(--evvy-border-color); background: var(--cluster-surface, #f8f9fa);
  font-family: 'SFMono-Regular', Consolas, monospace; font-size: 0.8125rem;
  line-height: 1.6; resize: vertical; color: var(--cluster-text, #1e293b);
}
/* ---- chain (premium) ---- */
.enc-chain-step {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.625rem 0;
  border-bottom: 1px solid var(--evvy-border-color);
}
.enc-chain-step:last-child { border-bottom: none; }
.enc-chain-num {
  width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 0.75rem; flex-shrink: 0;
  background: var(--cluster-dark, #2563eb); color: #fff;
}
.enc-chain-arrow {
  text-align: center; color: var(--evvy-text-secondary); font-size: 1.25rem; padding: 0.25rem 0;
}
.enc-chain-output {
  padding: 0.625rem 0.875rem; background: var(--cluster-surface, #f8f9fa);
  border-radius: 8px; font-family: monospace; font-size: 0.8125rem;
  word-break: break-all; max-height: 80px; overflow-y: auto;
}

[data-bs-theme="dark"] .enc-textarea,
[data-bs-theme="dark"] .enc-batch-area {
  background: color-mix(in srgb, var(--cluster-dark, #2563eb) 8%, #1e1e2e);
  border-color: rgba(255,255,255,0.1); color: #e2e8f0;
}
[data-bs-theme="dark"] .enc-stats-bar {
  background: color-mix(in srgb, var(--cluster-dark, #2563eb) 8%, #1e1e2e);
}
[data-bs-theme="dark"] .enc-quick-btn {
  background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); color: #e2e8f0;
}
[data-bs-theme="dark"] .enc-chain-output {
  background: rgba(255,255,255,0.06);
}
/* ===== Dark-mode contrast fixes (cluster-dark backgrounds) ===== */
[data-bs-theme="dark"] .enc-swap-btn,
[data-bs-theme="dark"] .enc-quick-btn:hover,
[data-bs-theme="dark"] .enc-chain-num { color: var(--evvy-dark-text); }