/* ========================================
   OIL PAINT (Kuwahara Filter)
   ======================================== */

/* Mode segmented buttons */
.op-mode-group {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 3px;
}

.op-mode-btn {
  flex: 1;
  appearance: none;
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  letter-spacing: 0.01em;
}

.op-mode-btn:hover {
  color: var(--text);
  border-color: var(--line);
}

.op-mode-btn.active {
  color: var(--accent);
  background: rgba(171, 255, 203, 0.1);
  border-color: rgba(171, 255, 203, 0.25);
}

/* Pass warning badge */
.op-pass-warning {
  display: none;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(255, 117, 111, 0.1);
  border: 1px solid rgba(255, 117, 111, 0.25);
  border-radius: 6px;
  color: var(--danger);
  font-size: 0.68rem;
  font-weight: 600;
  margin-top: -2px;
}

.op-pass-warning svg {
  flex-shrink: 0;
}

/* Preview note */
.op-preview-note {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 6px 0;
  opacity: 0.7;
  line-height: 1.4;
}

/* Presets */
.op-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.op-preset-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.62rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  font-family: var(--font-body);
}

.op-preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* Action buttons row */
.op-actions-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.op-actions-row .btn {
  flex: 1;
}

.op-cancel-btn {
  flex: 0 !important;
  min-width: 70px;
}